Bump version to 10.7.7

Restore max width and height params

(cherry picked from commit d8b9f4dc2d)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

.ci/azure-pipelines-abi.yml

@@ -7,15 +7,17 @@ parameters:
   default: "ubuntu-latest"
 - name: DotNetSdkVersion
   type: string
-  default: 3.1.100
+  default: 5.0.103
 
 jobs:
   - job: CompatibilityCheck
     displayName: Compatibility Check
+    dependsOn: Build
+    condition: and(succeeded(), variables['System.PullRequest.PullRequestNumber'])
+
     pool:
       vmImage: "${{ parameters.LinuxImage }}"
-    # only execute for pull requests
-    condition: and(succeeded(), variables['System.PullRequest.PullRequestNumber'])
+
     strategy:
       matrix:
         ${{ each Package in parameters.Packages }}:
@@ -23,7 +25,7 @@ jobs:
             NugetPackageName: ${{ Package.value.NugetPackageName }}
             AssemblyFileName: ${{ Package.value.AssemblyFileName }}
       maxParallel: 2
-    dependsOn: Build
+
     steps:
       - checkout: none
 
@@ -34,32 +36,33 @@ jobs:
           version: ${{ parameters.DotNetSdkVersion }}
 
       - task: DotNetCoreCLI@2
-        displayName: 'Install ABI CompatibilityChecker tool'
+        displayName: 'Install ABI CompatibilityChecker Tool'
         inputs:
           command: custom
           custom: tool
           arguments: 'update compatibilitychecker -g'
 
       - task: DownloadPipelineArtifact@2
-        displayName: "Download New Assembly Build Artifact"
+        displayName: 'Download New Assembly Build Artifact'
         inputs:
-          source: "current"
+          source: 'current'
           artifact: "$(NugetPackageName)"
           path: "$(System.ArtifactsDirectory)/new-artifacts"
           runVersion: "latest"
 
       - task: CopyFiles@2
-        displayName: "Copy New Assembly Build Artifact"
+        displayName: 'Copy New Assembly Build Artifact'
         inputs:
           sourceFolder: $(System.ArtifactsDirectory)/new-artifacts
-          contents: "**/*.dll"
+          contents: '**/*.dll'
           targetFolder: $(System.ArtifactsDirectory)/new-release
           cleanTargetFolder: true
           overWrite: true
           flattenFolders: true
 
       - task: DownloadPipelineArtifact@2
-        displayName: "Download Reference Assembly Build Artifact"
+        displayName: 'Download Reference Assembly Build Artifact'
+        enabled: false
         inputs:
           source: "specific"
           artifact: "$(NugetPackageName)"
@@ -70,18 +73,19 @@ jobs:
           runBranch: "refs/heads/$(System.PullRequest.TargetBranch)"
 
       - task: CopyFiles@2
-        displayName: "Copy Reference Assembly Build Artifact"
+        displayName: 'Copy Reference Assembly Build Artifact'
+        enabled: false
         inputs:
           sourceFolder: $(System.ArtifactsDirectory)/current-artifacts
-          contents: "**/*.dll"
+          contents: '**/*.dll'
           targetFolder: $(System.ArtifactsDirectory)/current-release
           cleanTargetFolder: true
           overWrite: true
           flattenFolders: true
 
-      # The `--warnings-only` switch will swallow the return code and not emit any errors.
       - task: DotNetCoreCLI@2
         displayName: 'Execute ABI Compatibility Check Tool'
+        enabled: false
         inputs:
           command: custom
           custom: compat

.ci/azure-pipelines-main.yml

@@ -1,7 +1,7 @@
 parameters:
   LinuxImage: 'ubuntu-latest'
   RestoreBuildProjects: 'Jellyfin.Server/Jellyfin.Server.csproj'
-  DotNetSdkVersion: 3.1.100
+  DotNetSdkVersion: 5.0.103
 
 jobs:
   - job: Build
@@ -64,28 +64,28 @@ jobs:
           arguments: '--configuration $(BuildConfiguration) --output $(Build.ArtifactStagingDirectory)'
           zipAfterPublish: false
 
-      - task: PublishPipelineArtifact@0
+      - task: PublishPipelineArtifact@1
         displayName: 'Publish Artifact Naming'
         condition: and(succeeded(), eq(variables['BuildConfiguration'], 'Release'))
         inputs:
           targetPath: '$(build.ArtifactStagingDirectory)/Jellyfin.Server/Emby.Naming.dll'
           artifactName: 'Jellyfin.Naming'
 
-      - task: PublishPipelineArtifact@0
+      - task: PublishPipelineArtifact@1
         displayName: 'Publish Artifact Controller'
         condition: and(succeeded(), eq(variables['BuildConfiguration'], 'Release'))
         inputs:
           targetPath: '$(build.ArtifactStagingDirectory)/Jellyfin.Server/MediaBrowser.Controller.dll'
           artifactName: 'Jellyfin.Controller'
 
-      - task: PublishPipelineArtifact@0
+      - task: PublishPipelineArtifact@1
         displayName: 'Publish Artifact Model'
         condition: and(succeeded(), eq(variables['BuildConfiguration'], 'Release'))
         inputs:
           targetPath: '$(build.ArtifactStagingDirectory)/Jellyfin.Server/MediaBrowser.Model.dll'
           artifactName: 'Jellyfin.Model'
 
-      - task: PublishPipelineArtifact@0
+      - task: PublishPipelineArtifact@1
         displayName: 'Publish Artifact Common'
         condition: and(succeeded(), eq(variables['BuildConfiguration'], 'Release'))
         inputs:

.ci/azure-pipelines-package.yml

@@ -22,6 +22,12 @@ jobs:
         BuildConfiguration: ubuntu.armhf
       Linux.amd64:
         BuildConfiguration: linux.amd64
+      Linux.amd64-musl:
+        BuildConfiguration: linux.amd64-musl
+      Linux.arm64:
+        BuildConfiguration: linux.arm64
+      Linux.armhf:
+        BuildConfiguration: linux.armhf
       Windows.amd64:
         BuildConfiguration: windows.amd64
       MacOS:
@@ -42,7 +48,7 @@ jobs:
 
   - script: 'docker image ls -a && docker run -v $(pwd)/deployment/dist:/dist -v $(pwd):/jellyfin -e IS_UNSTABLE="no" -e BUILD_ID=$(Build.BuildNumber) jellyfin-server-$(BuildConfiguration)'
     displayName: 'Run Dockerfile (stable)'
-    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags')
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
 
   - task: PublishPipelineArtifact@1
     displayName: 'Publish Release'
@@ -65,6 +71,38 @@ jobs:
       contents: '**'
       targetFolder: '/srv/repository/incoming/azure/$(Build.BuildNumber)/$(BuildConfiguration)'
 
+- job: OpenAPISpec
+  dependsOn: Test
+  condition: or(startsWith(variables['Build.SourceBranch'], 'refs/heads/master'),startsWith(variables['Build.SourceBranch'], 'refs/tags/v'))
+  displayName: 'Push OpenAPI Spec to repository'
+
+  pool:
+    vmImage: 'ubuntu-latest'
+
+  steps:
+  - task: DownloadPipelineArtifact@2
+    displayName: 'Download OpenAPI Spec'
+    inputs:
+      source: 'current'
+      artifact: "OpenAPI Spec"
+      path: "$(System.ArtifactsDirectory)/openapispec"
+      runVersion: "latest"
+
+  - task: SSH@0
+    displayName: 'Create target directory on repository server'
+    inputs:
+      sshEndpoint: repository
+      runOptions: 'inline'
+      inline: 'mkdir -p /srv/repository/incoming/azure/$(Build.BuildNumber)'
+
+  - task: CopyFilesOverSSH@0
+    displayName: 'Upload artifacts to repository server'
+    inputs:
+      sshEndpoint: repository
+      sourceFolder: '$(System.ArtifactsDirectory)/openapispec'
+      contents: 'openapi.json'
+      targetFolder: '/srv/repository/incoming/azure/$(Build.BuildNumber)'
+
 - job: BuildDocker
   displayName: 'Build Docker'
 
@@ -80,7 +118,15 @@ jobs:
   pool:
     vmImage: 'ubuntu-latest'
 
+  variables:
+  - name: JellyfinVersion
+    value: 0.0.0
+
   steps:
+  - script: echo "##vso[task.setvariable variable=JellyfinVersion]$( awk -F '/' '{ print $NF }' <<<'$(Build.SourceBranch)' | sed 's/^v//' )"
+    displayName: Set release version (stable)
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
+
   - task: Docker@2
     displayName: 'Push Unstable Image'
     condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/master')
@@ -96,7 +142,7 @@ jobs:
 
   - task: Docker@2
     displayName: 'Push Stable Image'
-    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags')
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
     inputs:
       repository: 'jellyfin/jellyfin-server'
       command: buildAndPush
@@ -105,14 +151,15 @@ jobs:
       containerRegistry: Docker Hub
       tags: |
         stable-$(Build.BuildNumber)-$(BuildConfiguration)
-        stable-$(BuildConfiguration)
+        $(JellyfinVersion)-$(BuildConfiguration)
 
 - job: CollectArtifacts
+  timeoutInMinutes: 20
   displayName: 'Collect Artifacts'
+  continueOnError: true
   dependsOn:
   - BuildPackage
   - BuildDocker
-  condition: and(succeeded('BuildPackage'), succeeded('BuildDocker'))
 
   pool:
     vmImage: 'ubuntu-latest'
@@ -120,44 +167,93 @@ jobs:
   steps:
   - task: SSH@0
     displayName: 'Update Unstable Repository'
+    continueOnError: true
     condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/master')
     inputs:
       sshEndpoint: repository
-      runOptions: 'inline'
-      inline: |
-        sudo /srv/repository/collect-server.azure.sh /srv/repository/incoming/azure $(Build.BuildNumber) unstable
-        rm $0
-        exit
+      runOptions: 'commands'
+      commands: nohup sudo /srv/repository/collect-server.azure.sh /srv/repository/incoming/azure $(Build.BuildNumber) unstable &
 
   - task: SSH@0
     displayName: 'Update Stable Repository'
-    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags')
+    continueOnError: true
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
     inputs:
       sshEndpoint: repository
-      runOptions: 'inline'
-      inline: |
-        sudo /srv/repository/collect-server.azure.sh /srv/repository/incoming/azure $(Build.BuildNumber)
-        rm $0
-        exit
+      runOptions: 'commands'
+      commands: nohup sudo /srv/repository/collect-server.azure.sh /srv/repository/incoming/azure $(Build.BuildNumber) &
 
 - job: PublishNuget
   displayName: 'Publish NuGet packages'
-  dependsOn:
-  - BuildPackage
-  condition: and(succeeded('BuildPackage'), startsWith(variables['Build.SourceBranch'], 'refs/tags'))
-  
+
   pool:
     vmImage: 'ubuntu-latest'
 
+  variables:
+  - name: JellyfinVersion
+    value: $[replace(variables['Build.SourceBranch'],'refs/tags/v','')]
+
   steps:
-  - task: NuGetCommand@2
+  - task: UseDotNet@2
+    displayName: 'Use .NET 5.0 sdk'
     inputs:
-      command: 'pack'
-      packagesToPack: Jellyfin.Data/Jellyfin.Data.csproj;MediaBrowser.Common/MediaBrowser.Common.csproj;MediaBrowser.Controller/MediaBrowser.Controller.csproj;MediaBrowser.Model/MediaBrowser.Model.csproj;Emby.Naming/Emby.Naming.csproj
-      packDestination: '$(Build.ArtifactStagingDirectory)'
+      packageType: 'sdk'
+      version: '5.0.x'
+
+  - task: DotNetCoreCLI@2
+    displayName: 'Build Stable Nuget packages'
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
+    inputs:
+      command: 'custom'
+      projects: |
+        Jellyfin.Data/Jellyfin.Data.csproj
+        MediaBrowser.Common/MediaBrowser.Common.csproj
+        MediaBrowser.Controller/MediaBrowser.Controller.csproj
+        MediaBrowser.Model/MediaBrowser.Model.csproj
+        Emby.Naming/Emby.Naming.csproj
+      custom: 'pack'
+      arguments: -o $(Build.ArtifactStagingDirectory) -p:Version=$(JellyfinVersion)
+
+  - task: DotNetCoreCLI@2
+    displayName: 'Build Unstable Nuget packages'
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/master')
+    inputs:
+      command: 'custom'
+      projects: |
+        Jellyfin.Data/Jellyfin.Data.csproj
+        MediaBrowser.Common/MediaBrowser.Common.csproj
+        MediaBrowser.Controller/MediaBrowser.Controller.csproj
+        MediaBrowser.Model/MediaBrowser.Model.csproj
+        Emby.Naming/Emby.Naming.csproj
+      custom: 'pack'
+      arguments: '--version-suffix $(Build.BuildNumber) -o $(Build.ArtifactStagingDirectory) -p:Stability=Unstable'
+
+  - task: PublishBuildArtifacts@1
+    displayName: 'Publish Nuget packages'
+    inputs:
+      pathToPublish: $(Build.ArtifactStagingDirectory)
+      artifactName: Jellyfin Nuget Packages
 
   - task: NuGetCommand@2
+    displayName: 'Push Nuget packages to stable feed'
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/v')
     inputs:
       command: 'push'
       packagesToPush: '$(Build.ArtifactStagingDirectory)/**/*.nupkg'
-      includeNugetOrg: 'true'
+      nuGetFeedType: 'external'
+      publishFeedCredentials: 'NugetOrg'
+      allowPackageConflicts: true # This ignores an error if the version already exists
+
+  - task: NuGetAuthenticate@0
+    displayName: 'Authenticate to unstable Nuget feed'
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/master')
+
+  - task: NuGetCommand@2
+    displayName: 'Push Nuget packages to unstable feed'
+    condition: startsWith(variables['Build.SourceBranch'], 'refs/heads/master')
+    inputs:
+      command: 'push'
+      packagesToPush: '$(Build.ArtifactStagingDirectory)/**/*.nupkg;!$(Build.ArtifactStagingDirectory)/**/*.symbols.nupkg' # No symbols since Azure Artifact does not support it
+      nuGetFeedType: 'internal'
+      publishVstsFeed: '7cce6c46-d610-45e3-9fb7-65a6bfd1b671/a5746b79-f369-42db-93ff-59cd066f9327'
+      allowPackageConflicts: true # This ignores an error if the version already exists

.ci/azure-pipelines-test.yml

@@ -10,7 +10,7 @@ parameters:
   default: "tests/**/*Tests.csproj"
 - name: DotNetSdkVersion
   type: string
-  default: 3.1.100
+  default: 5.0.103
 
 jobs:
   - job: Test
@@ -30,11 +30,11 @@ jobs:
 
       # This is required for the SonarCloud analyzer
       - task: UseDotNet@2
-        displayName: "Install .NET Core SDK 2.1"
+        displayName: "Install .NET SDK 5.x"
         condition: eq(variables['ImageName'], 'ubuntu-latest')
         inputs:
           packageType: sdk
-          version: '2.1.805'
+          version: '5.x'
 
       - task: UseDotNet@2
         displayName: "Update DotNet"
@@ -56,7 +56,7 @@ jobs:
         inputs:
           command: "test"
           projects: ${{ parameters.TestProjects }}
-          arguments: '--configuration Release --collect:"XPlat Code Coverage" --settings tests/coverletArgs.runsettings --verbosity minimal "-p:GenerateDocumentationFile=False"'
+          arguments: '--configuration Release --collect:"XPlat Code Coverage" --settings tests/coverletArgs.runsettings --verbosity minimal'
           publishTestResults: true
           testRunTitle: $(Agent.JobName)
           workingDirectory: "$(Build.SourcesDirectory)"
@@ -74,7 +74,6 @@ jobs:
       - task: Palmmedia.reportgenerator.reportgenerator-build-release-task.reportgenerator@4
         condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux')) # !! THIS is for V1 only V2 will/should support merging
         displayName: 'Run ReportGenerator'
-        enabled: false
         inputs:
           reports: "$(Agent.TempDirectory)/**/coverage.cobertura.xml"
           targetdir: "$(Agent.TempDirectory)/merged/"
@@ -84,10 +83,16 @@ jobs:
       - task: PublishCodeCoverageResults@1
         condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux')) # !! THIS is for V1 only V2 will/should support merging
         displayName: 'Publish Code Coverage'
-        enabled: false
         inputs:
           codeCoverageTool: "cobertura"
           #summaryFileLocation: '$(Agent.TempDirectory)/**/coverage.cobertura.xml' # !!THIS IS FOR V2
           summaryFileLocation: "$(Agent.TempDirectory)/merged/**.xml"
           pathToSources: $(Build.SourcesDirectory)
           failIfCoverageEmpty: true
+
+      - task: PublishPipelineArtifact@1
+        displayName: 'Publish OpenAPI Artifact'
+        condition: and(succeeded(), eq(variables['Agent.OS'], 'Linux'))
+        inputs:
+          targetPath: "tests/Jellyfin.Api.Tests/bin/Release/net5.0/openapi.json"
+          artifactName: 'OpenAPI Spec'

.ci/azure-pipelines.yml

@@ -6,30 +6,42 @@ variables:
 - name: RestoreBuildProjects
   value: 'Jellyfin.Server/Jellyfin.Server.csproj'
 - name: DotNetSdkVersion
-  value: 3.1.100
+  value: 5.0.103
 
 pr:
   autoCancel: true
 
 trigger:
   batch: true
+  branches:
+    include:
+      - '*'
+  tags:
+    include:
+      - 'v*'
 
 jobs:
-- ${{ if not(or(startsWith(variables['Build.SourceBranch'], 'refs/tags'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master'))) }}:
+- ${{ if not(startsWith(variables['Build.SourceBranch'], 'refs/tags/v')) }}:
   - template: azure-pipelines-main.yml
     parameters:
       LinuxImage: 'ubuntu-latest'
       RestoreBuildProjects: $(RestoreBuildProjects)
 
-- ${{ if not(or(startsWith(variables['Build.SourceBranch'], 'refs/tags'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master'))) }}:
+- ${{ if not(or(startsWith(variables['Build.SourceBranch'], 'refs/tags/v'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master'))) }}:
   - template: azure-pipelines-test.yml
     parameters:
       ImageNames:
         Linux: 'ubuntu-latest'
         Windows: 'windows-latest'
         macOS: 'macos-latest'
+        
+- ${{ if or(startsWith(variables['Build.SourceBranch'], 'refs/tags/v'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master')) }}:
+  - template: azure-pipelines-test.yml
+    parameters:
+      ImageNames:
+        Linux: 'ubuntu-latest'
 
-- ${{ if not(or(startsWith(variables['Build.SourceBranch'], 'refs/tags'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master'))) }}:
+- ${{ if not(or(startsWith(variables['Build.SourceBranch'], 'refs/tags/v'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master'))) }}:
   - template: azure-pipelines-abi.yml
     parameters:
       Packages:
@@ -47,5 +59,5 @@ jobs:
           AssemblyFileName: MediaBrowser.Common.dll
       LinuxImage: 'ubuntu-latest'
 
-- ${{ if or(startsWith(variables['Build.SourceBranch'], 'refs/tags'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master')) }}:
+- ${{ if or(startsWith(variables['Build.SourceBranch'], 'refs/tags/v'), startsWith(variables['Build.SourceBranch'], 'refs/heads/master')) }}:
   - template: azure-pipelines-package.yml

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,36 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  schedule:
+    - cron: '24 2 * * 4'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'csharp' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '5.0.x'
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        queries: +security-extended
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.gitignore

@@ -276,3 +276,4 @@ BenchmarkDotNet.Artifacts
 web/
 web-src.*
 MediaBrowser.WebDashboard/jellyfin-web
+apiclient/generated

.npmrc

@@ -0,0 +1,3 @@
+registry=https://registry.npmjs.org/
+@jellyfin:registry=https://pkgs.dev.azure.com/jellyfin-project/jellyfin/_packaging/unstable/npm/registry/
+always-auth=true

.vscode/launch.json

@@ -6,11 +6,25 @@
             "type": "coreclr",
             "request": "launch",
             "preLaunchTask": "build",
-            // If you have changed target frameworks, make sure to update the program path.
-            "program": "${workspaceFolder}/Jellyfin.Server/bin/Debug/netcoreapp3.1/jellyfin.dll",
+            "program": "${workspaceFolder}/Jellyfin.Server/bin/Debug/net5.0/jellyfin.dll",
             "args": [],
             "cwd": "${workspaceFolder}/Jellyfin.Server",
-            // For more information about the 'console' field, see https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md#console-terminal-window
+            "console": "internalConsole",
+            "stopAtEntry": false,
+            "internalConsoleOptions": "openOnSessionStart",
+            "serverReadyAction": {
+                "action": "openExternally",
+                "pattern": "Overriding address\\(es\\) \\'(https?:\\S+)\\'",
+            }
+        },
+        {
+            "name": ".NET Core Launch (nowebclient)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            "program": "${workspaceFolder}/Jellyfin.Server/bin/Debug/net5.0/jellyfin.dll",
+            "args": ["--nowebclient"],
+            "cwd": "${workspaceFolder}/Jellyfin.Server",
             "console": "internalConsole",
             "stopAtEntry": false,
             "internalConsoleOptions": "openOnSessionStart"

.vscode/tasks.json

@@ -17,7 +17,7 @@
             "type": "process",
             "args": [
                 "test",
-                "${workspaceFolder}/tests/MediaBrowser.Api.Tests/MediaBrowser.Api.Tests.csproj"
+                "${workspaceFolder}/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj"
             ],
             "problemMatcher": "$msCompile"
         }

CONTRIBUTORS.md

@@ -7,6 +7,7 @@
  - [anthonylavado](https://github.com/anthonylavado)
  - [Artiume](https://github.com/Artiume)
  - [AThomsen](https://github.com/AThomsen)
+ - [barongreenback](https://github.com/BaronGreenback)
  - [barronpm](https://github.com/barronpm)
  - [bilde2910](https://github.com/bilde2910)
  - [bfayers](https://github.com/bfayers)
@@ -16,6 +17,7 @@
  - [bugfixin](https://github.com/bugfixin)
  - [chaosinnovator](https://github.com/chaosinnovator)
  - [ckcr4lyf](https://github.com/ckcr4lyf)
+ - [ConfusedPolarBear](https://github.com/ConfusedPolarBear)
  - [crankdoofus](https://github.com/crankdoofus)
  - [crobibero](https://github.com/crobibero)
  - [cromefire](https://github.com/cromefire)
@@ -47,6 +49,7 @@
  - [h1nk](https://github.com/h1nk)
  - [hawken93](https://github.com/hawken93)
  - [HelloWorld017](https://github.com/HelloWorld017)
+ - [ikomhoog](https://github.com/ikomhoog)
  - [jftuga](https://github.com/jftuga)
  - [joern-h](https://github.com/joern-h)
  - [joshuaboniface](https://github.com/joshuaboniface)
@@ -56,6 +59,7 @@
  - [Larvitar](https://github.com/Larvitar)
  - [LeoVerto](https://github.com/LeoVerto)
  - [Liggy](https://github.com/Liggy)
+ - [lmaonator](https://github.com/lmaonator)
  - [LogicalPhallacy](https://github.com/LogicalPhallacy)
  - [loli10K](https://github.com/loli10K)
  - [lostmypillow](https://github.com/lostmypillow)
@@ -76,7 +80,9 @@
  - [Nickbert7](https://github.com/Nickbert7)
  - [nvllsvm](https://github.com/nvllsvm)
  - [nyanmisaka](https://github.com/nyanmisaka)
+ - [OancaAndrei](https://github.com/OancaAndrei)
  - [oddstr13](https://github.com/oddstr13)
+ - [orryverducci](https://github.com/orryverducci)
  - [petermcneil](https://github.com/petermcneil)
  - [Phlogi](https://github.com/Phlogi)
  - [pjeanjean](https://github.com/pjeanjean)
@@ -98,8 +104,11 @@
  - [shemanaev](https://github.com/shemanaev)
  - [skaro13](https://github.com/skaro13)
  - [sl1288](https://github.com/sl1288)
+ - [Smith00101010](https://github.com/Smith00101010)
  - [sorinyo2004](https://github.com/sorinyo2004)
  - [sparky8251](https://github.com/sparky8251)
+ - [spookbits](https://github.com/spookbits)
+ - [ssenart] (https://github.com/ssenart)
  - [stanionascu](https://github.com/stanionascu)
  - [stevehayles](https://github.com/stevehayles)
  - [SuperSandro2000](https://github.com/SuperSandro2000)
@@ -132,6 +141,10 @@
  - [YouKnowBlom](https://github.com/YouKnowBlom)
  - [KristupasSavickas](https://github.com/KristupasSavickas)
  - [Pusta](https://github.com/pusta)
+ - [nielsvanvelzen](https://github.com/nielsvanvelzen)
+ - [skyfrk](https://github.com/skyfrk)
+ - [ianjazz246](https://github.com/ianjazz246)
+ - [peterspenler](https://github.com/peterspenler)
 
 # Emby Contributors
 
@@ -195,3 +208,4 @@
  - [tikuf](https://github.com/tikuf/)
  - [Tim Hobbs](https://github.com/timhobbs)
  - [SvenVandenbrande](https://github.com/SvenVandenbrande)
+ - [olsh](https://github.com/olsh)

Dockerfile

@@ -1,20 +1,20 @@
-ARG DOTNET_VERSION=3.1
+ARG DOTNET_VERSION=5.0
 
 FROM node:alpine as web-builder
 ARG JELLYFIN_WEB_VERSION=master
-RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python \
+RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-sdk automake libtool make gcc musl-dev nasm python3 \
  && curl -L https://github.com/jellyfin/jellyfin-web/archive/${JELLYFIN_WEB_VERSION}.tar.gz | tar zxf - \
  && cd jellyfin-web-* \
  && yarn install \
  && mv dist /dist
 
-FROM mcr.microsoft.com/dotnet/core/sdk:${DOTNET_VERSION}-buster as builder
+FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION}-buster-slim as builder
 WORKDIR /repo
 COPY . .
 ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
 # because of changes in docker and systemd we need to not build in parallel at the moment
 # see https://success.docker.com/article/how-to-reserve-resource-temporarily-unavailable-errors-due-to-tasksmax-setting
-RUN dotnet publish Jellyfin.Server --disable-parallel --configuration Release --output="/jellyfin" --self-contained --runtime linux-x64 "-p:GenerateDocumentationFile=false;DebugSymbols=false;DebugType=none"
+RUN dotnet publish Jellyfin.Server --disable-parallel --configuration Release --output="/jellyfin" --self-contained --runtime linux-x64 "-p:DebugSymbols=false;DebugType=none"
 
 FROM debian:buster-slim
 
@@ -27,8 +27,15 @@ ENV NVIDIA_DRIVER_CAPABILITIES="compute,video,utility"
 
 COPY --from=builder /jellyfin /jellyfin
 COPY --from=web-builder /dist /jellyfin/jellyfin-web
+
+# https://github.com/intel/compute-runtime/releases
+ARG GMMLIB_VERSION=20.3.2
+ARG IGC_VERSION=1.0.5435
+ARG NEO_VERSION=20.46.18421
+ARG LEVEL_ZERO_VERSION=1.0.18421
+
 # Install dependencies:
-#   mesa-va-drivers: needed for AMD VAAPI
+# mesa-va-drivers: needed for AMD VAAPI. Mesa >= 20.1 is required for HEVC transcoding.
 RUN apt-get update \
  && apt-get install --no-install-recommends --no-install-suggests -y ca-certificates gnupg wget apt-transport-https \
  && wget -O - https://repo.jellyfin.org/jellyfin_team.gpg.key | apt-key add - \
@@ -39,6 +46,20 @@ RUN apt-get update \
    jellyfin-ffmpeg \
    openssl \
    locales \
+# Intel VAAPI Tone mapping dependencies:
+# Prefer NEO to Beignet since the latter one doesn't support Comet Lake or newer for now.
+# Do not use the intel-opencl-icd package from repo since they will not build with RELEASE_WITH_REGKEYS enabled.
+ && mkdir intel-compute-runtime \
+ && cd intel-compute-runtime \
+ && wget https://github.com/intel/compute-runtime/releases/download/${NEO_VERSION}/intel-gmmlib_${GMMLIB_VERSION}_amd64.deb \
+ && wget https://github.com/intel/intel-graphics-compiler/releases/download/igc-${IGC_VERSION}/intel-igc-core_${IGC_VERSION}_amd64.deb \
+ && wget https://github.com/intel/intel-graphics-compiler/releases/download/igc-${IGC_VERSION}/intel-igc-opencl_${IGC_VERSION}_amd64.deb \
+ && wget https://github.com/intel/compute-runtime/releases/download/${NEO_VERSION}/intel-opencl_${NEO_VERSION}_amd64.deb \
+ && wget https://github.com/intel/compute-runtime/releases/download/${NEO_VERSION}/intel-ocloc_${NEO_VERSION}_amd64.deb \
+ && wget https://github.com/intel/compute-runtime/releases/download/${NEO_VERSION}/intel-level-zero-gpu_${LEVEL_ZERO_VERSION}_amd64.deb \
+ && dpkg -i *.deb \
+ && cd .. \
+ && rm -rf intel-compute-runtime \
  && apt-get remove gnupg wget apt-transport-https -y \
  && apt-get clean autoclean -y \
  && apt-get autoremove -y \

Dockerfile.arm

@@ -2,7 +2,7 @@
 #####################################
 # Requires binfm_misc registration
 # https://github.com/multiarch/qemu-user-static#binfmt_misc-register
-ARG DOTNET_VERSION=3.1
+ARG DOTNET_VERSION=5.0
 
 
 FROM node:alpine as web-builder
@@ -14,14 +14,14 @@ RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-
  && mv dist /dist
 
 
-FROM mcr.microsoft.com/dotnet/core/sdk:${DOTNET_VERSION} as builder
+FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION} as builder
 WORKDIR /repo
 COPY . .
 ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
 # Discard objs - may cause failures if exists
 RUN find . -type d -name obj | xargs -r rm -r
 # Build
-RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin" --self-contained --runtime linux-arm "-p:GenerateDocumentationFile=false;DebugSymbols=false;DebugType=none"
+RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin" --self-contained --runtime linux-arm "-p:DebugSymbols=false;DebugType=none"
 
 
 FROM multiarch/qemu-user-static:x86_64-arm as qemu

Dockerfile.arm64

@@ -2,7 +2,7 @@
 #####################################
 # Requires binfm_misc registration
 # https://github.com/multiarch/qemu-user-static#binfmt_misc-register
-ARG DOTNET_VERSION=3.1
+ARG DOTNET_VERSION=5.0
 
 
 FROM node:alpine as web-builder
@@ -14,14 +14,14 @@ RUN apk add curl git zlib zlib-dev autoconf g++ make libpng-dev gifsicle alpine-
  && mv dist /dist
 
 
-FROM mcr.microsoft.com/dotnet/core/sdk:${DOTNET_VERSION} as builder
+FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION} as builder
 WORKDIR /repo
 COPY . .
 ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
 # Discard objs - may cause failures if exists
 RUN find . -type d -name obj | xargs -r rm -r
 # Build
-RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin" --self-contained --runtime linux-arm64 "-p:GenerateDocumentationFile=false;DebugSymbols=false;DebugType=none"
+RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin" --self-contained --runtime linux-arm64 "-p:DebugSymbols=false;DebugType=none"
 
 FROM multiarch/qemu-user-static:x86_64-aarch64 as qemu
 FROM arm64v8/debian:buster-slim

DvdLib/DvdLib.csproj

@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>

DvdLib/Ifo/Dvd.cs

@@ -31,7 +31,7 @@ namespace DvdLib.Ifo
                         continue;
                     }
 
-                    var nums = ifo.Name.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
+                    var nums = ifo.Name.Split('_', StringSplitOptions.RemoveEmptyEntries);
                     if (nums.Length >= 2 && ushort.TryParse(nums[1], out var ifoNumber))
                     {
                         ReadVTS(ifoNumber, ifo.FullName);

Emby.Dlna/Api/DlnaServerService.cs

@@ -1,383 +0,0 @@
-#pragma warning disable CS1591
-
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Text;
-using System.Threading.Tasks;
-using Emby.Dlna.Main;
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Dlna;
-using MediaBrowser.Controller.Net;
-using MediaBrowser.Model.Services;
-
-namespace Emby.Dlna.Api
-{
-    [Route("/Dlna/{UuId}/description.xml", "GET", Summary = "Gets dlna server info")]
-    [Route("/Dlna/{UuId}/description", "GET", Summary = "Gets dlna server info")]
-    public class GetDescriptionXml
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/contentdirectory/contentdirectory.xml", "GET", Summary = "Gets dlna content directory xml")]
-    [Route("/Dlna/{UuId}/contentdirectory/contentdirectory", "GET", Summary = "Gets dlna content directory xml")]
-    public class GetContentDirectory
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/connectionmanager/connectionmanager.xml", "GET", Summary = "Gets dlna connection manager xml")]
-    [Route("/Dlna/{UuId}/connectionmanager/connectionmanager", "GET", Summary = "Gets dlna connection manager xml")]
-    public class GetConnnectionManager
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/mediareceiverregistrar/mediareceiverregistrar.xml", "GET", Summary = "Gets dlna mediareceiverregistrar xml")]
-    [Route("/Dlna/{UuId}/mediareceiverregistrar/mediareceiverregistrar", "GET", Summary = "Gets dlna mediareceiverregistrar xml")]
-    public class GetMediaReceiverRegistrar
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/contentdirectory/control", "POST", Summary = "Processes a control request")]
-    public class ProcessContentDirectoryControlRequest : IRequiresRequestStream
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-
-        public Stream RequestStream { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/connectionmanager/control", "POST", Summary = "Processes a control request")]
-    public class ProcessConnectionManagerControlRequest : IRequiresRequestStream
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-
-        public Stream RequestStream { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/mediareceiverregistrar/control", "POST", Summary = "Processes a control request")]
-    public class ProcessMediaReceiverRegistrarControlRequest : IRequiresRequestStream
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string UuId { get; set; }
-
-        public Stream RequestStream { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/mediareceiverregistrar/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
-    [Route("/Dlna/{UuId}/mediareceiverregistrar/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
-    public class ProcessMediaReceiverRegistrarEventRequest
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/contentdirectory/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
-    [Route("/Dlna/{UuId}/contentdirectory/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
-    public class ProcessContentDirectoryEventRequest
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/connectionmanager/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
-    [Route("/Dlna/{UuId}/connectionmanager/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
-    public class ProcessConnectionManagerEventRequest
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
-        public string UuId { get; set; }
-    }
-
-    [Route("/Dlna/{UuId}/icons/{Filename}", "GET", Summary = "Gets a server icon")]
-    [Route("/Dlna/icons/{Filename}", "GET", Summary = "Gets a server icon")]
-    public class GetIcon
-    {
-        [ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
-        public string UuId { get; set; }
-
-        [ApiMember(Name = "Filename", Description = "The icon filename", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string Filename { get; set; }
-    }
-
-    public class DlnaServerService : IService, IRequiresRequest
-    {
-        private const string XMLContentType = "text/xml; charset=UTF-8";
-
-        private readonly IDlnaManager _dlnaManager;
-        private readonly IHttpResultFactory _resultFactory;
-        private readonly IServerConfigurationManager _configurationManager;
-
-        public IRequest Request { get; set; }
-
-        private IContentDirectory ContentDirectory => DlnaEntryPoint.Current.ContentDirectory;
-
-        private IConnectionManager ConnectionManager => DlnaEntryPoint.Current.ConnectionManager;
-
-        private IMediaReceiverRegistrar MediaReceiverRegistrar => DlnaEntryPoint.Current.MediaReceiverRegistrar;
-
-        public DlnaServerService(
-            IDlnaManager dlnaManager,
-            IHttpResultFactory httpResultFactory,
-            IServerConfigurationManager configurationManager)
-        {
-            _dlnaManager = dlnaManager;
-            _resultFactory = httpResultFactory;
-            _configurationManager = configurationManager;
-        }
-
-        private string GetHeader(string name)
-        {
-            return Request.Headers[name];
-        }
-
-        public object Get(GetDescriptionXml request)
-        {
-            var url = Request.AbsoluteUri;
-            var serverAddress = url.Substring(0, url.IndexOf("/dlna/", StringComparison.OrdinalIgnoreCase));
-            var xml = _dlnaManager.GetServerDescriptionXml(Request.Headers, request.UuId, serverAddress);
-
-            var cacheLength = TimeSpan.FromDays(1);
-            var cacheKey = Request.RawUrl.GetMD5();
-            var bytes = Encoding.UTF8.GetBytes(xml);
-
-            return _resultFactory.GetStaticResult(Request, cacheKey, null, cacheLength, XMLContentType, () => Task.FromResult<Stream>(new MemoryStream(bytes)));
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Get(GetContentDirectory request)
-        {
-            var xml = ContentDirectory.GetServiceXml();
-
-            return _resultFactory.GetResult(Request, xml, XMLContentType);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Get(GetMediaReceiverRegistrar request)
-        {
-            var xml = MediaReceiverRegistrar.GetServiceXml();
-
-            return _resultFactory.GetResult(Request, xml, XMLContentType);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Get(GetConnnectionManager request)
-        {
-            var xml = ConnectionManager.GetServiceXml();
-
-            return _resultFactory.GetResult(Request, xml, XMLContentType);
-        }
-
-        public async Task<object> Post(ProcessMediaReceiverRegistrarControlRequest request)
-        {
-            var response = await PostAsync(request.RequestStream, MediaReceiverRegistrar).ConfigureAwait(false);
-
-            return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
-        }
-
-        public async Task<object> Post(ProcessContentDirectoryControlRequest request)
-        {
-            var response = await PostAsync(request.RequestStream, ContentDirectory).ConfigureAwait(false);
-
-            return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
-        }
-
-        public async Task<object> Post(ProcessConnectionManagerControlRequest request)
-        {
-            var response = await PostAsync(request.RequestStream, ConnectionManager).ConfigureAwait(false);
-
-            return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
-        }
-
-        private Task<ControlResponse> PostAsync(Stream requestStream, IUpnpService service)
-        {
-            var id = GetPathValue(2).ToString();
-
-            return service.ProcessControlRequestAsync(new ControlRequest
-            {
-                Headers = Request.Headers,
-                InputXml = requestStream,
-                TargetServerUuId = id,
-                RequestedUrl = Request.AbsoluteUri
-            });
-        }
-
-        // Copied from MediaBrowser.Api/BaseApiService.cs
-        // TODO: Remove code duplication
-        /// <summary>
-        /// Gets the path segment at the specified index.
-        /// </summary>
-        /// <param name="index">The index of the path segment.</param>
-        /// <returns>The path segment at the specified index.</returns>
-        /// <exception cref="IndexOutOfRangeException" >Path doesn't contain enough segments.</exception>
-        /// <exception cref="InvalidDataException" >Path doesn't start with the base url.</exception>
-        protected internal ReadOnlySpan<char> GetPathValue(int index)
-        {
-            static void ThrowIndexOutOfRangeException()
-                => throw new IndexOutOfRangeException("Path doesn't contain enough segments.");
-
-            static void ThrowInvalidDataException()
-                => throw new InvalidDataException("Path doesn't start with the base url.");
-
-            ReadOnlySpan<char> path = Request.PathInfo;
-
-            // Remove the protocol part from the url
-            int pos = path.LastIndexOf("://");
-            if (pos != -1)
-            {
-                path = path.Slice(pos + 3);
-            }
-
-            // Remove the query string
-            pos = path.LastIndexOf('?');
-            if (pos != -1)
-            {
-                path = path.Slice(0, pos);
-            }
-
-            // Remove the domain
-            pos = path.IndexOf('/');
-            if (pos != -1)
-            {
-                path = path.Slice(pos);
-            }
-
-            // Remove base url
-            string baseUrl = _configurationManager.Configuration.BaseUrl;
-            int baseUrlLen = baseUrl.Length;
-            if (baseUrlLen != 0)
-            {
-                if (path.StartsWith(baseUrl, StringComparison.OrdinalIgnoreCase))
-                {
-                    path = path.Slice(baseUrlLen);
-                }
-                else
-                {
-                    // The path doesn't start with the base url,
-                    // how did we get here?
-                    ThrowInvalidDataException();
-                }
-            }
-
-            // Remove leading /
-            path = path.Slice(1);
-
-            // Backwards compatibility
-            const string Emby = "emby/";
-            if (path.StartsWith(Emby, StringComparison.OrdinalIgnoreCase))
-            {
-                path = path.Slice(Emby.Length);
-            }
-
-            const string MediaBrowser = "mediabrowser/";
-            if (path.StartsWith(MediaBrowser, StringComparison.OrdinalIgnoreCase))
-            {
-                path = path.Slice(MediaBrowser.Length);
-            }
-
-            // Skip segments until we are at the right index
-            for (int i = 0; i < index; i++)
-            {
-                pos = path.IndexOf('/');
-                if (pos == -1)
-                {
-                    ThrowIndexOutOfRangeException();
-                }
-
-                path = path.Slice(pos + 1);
-            }
-
-            // Remove the rest
-            pos = path.IndexOf('/');
-            if (pos != -1)
-            {
-                path = path.Slice(0, pos);
-            }
-
-            return path;
-        }
-
-        public object Get(GetIcon request)
-        {
-            var contentType = "image/" + Path.GetExtension(request.Filename)
-                                            .TrimStart('.')
-                                            .ToLowerInvariant();
-
-            var cacheLength = TimeSpan.FromDays(365);
-            var cacheKey = Request.RawUrl.GetMD5();
-
-            return _resultFactory.GetStaticResult(Request, cacheKey, null, cacheLength, contentType, () => Task.FromResult(_dlnaManager.GetIcon(request.Filename).Stream));
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Subscribe(ProcessContentDirectoryEventRequest request)
-        {
-            return ProcessEventRequest(ContentDirectory);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Subscribe(ProcessConnectionManagerEventRequest request)
-        {
-            return ProcessEventRequest(ConnectionManager);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Subscribe(ProcessMediaReceiverRegistrarEventRequest request)
-        {
-            return ProcessEventRequest(MediaReceiverRegistrar);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Unsubscribe(ProcessContentDirectoryEventRequest request)
-        {
-            return ProcessEventRequest(ContentDirectory);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Unsubscribe(ProcessConnectionManagerEventRequest request)
-        {
-            return ProcessEventRequest(ConnectionManager);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Unsubscribe(ProcessMediaReceiverRegistrarEventRequest request)
-        {
-            return ProcessEventRequest(MediaReceiverRegistrar);
-        }
-
-        private object ProcessEventRequest(IEventManager eventManager)
-        {
-            var subscriptionId = GetHeader("SID");
-
-            if (string.Equals(Request.Verb, "SUBSCRIBE", StringComparison.OrdinalIgnoreCase))
-            {
-                var notificationType = GetHeader("NT");
-
-                var callback = GetHeader("CALLBACK");
-                var timeoutString = GetHeader("TIMEOUT");
-
-                if (string.IsNullOrEmpty(notificationType))
-                {
-                    return GetSubscriptionResponse(eventManager.RenewEventSubscription(subscriptionId, notificationType, timeoutString, callback));
-                }
-
-                return GetSubscriptionResponse(eventManager.CreateEventSubscription(notificationType, timeoutString, callback));
-            }
-
-            return GetSubscriptionResponse(eventManager.CancelEventSubscription(subscriptionId));
-        }
-
-        private object GetSubscriptionResponse(EventSubscriptionResponse response)
-        {
-            return _resultFactory.GetResult(Request, response.Content, response.ContentType, response.Headers);
-        }
-    }
-}

Emby.Dlna/Api/DlnaService.cs

@@ -1,88 +0,0 @@
-#pragma warning disable CS1591
-
-using System.Diagnostics.CodeAnalysis;
-using System.Linq;
-using MediaBrowser.Controller.Dlna;
-using MediaBrowser.Controller.Net;
-using MediaBrowser.Model.Dlna;
-using MediaBrowser.Model.Services;
-
-namespace Emby.Dlna.Api
-{
-    [Route("/Dlna/ProfileInfos", "GET", Summary = "Gets a list of profiles")]
-    public class GetProfileInfos : IReturn<DeviceProfileInfo[]>
-    {
-    }
-
-    [Route("/Dlna/Profiles/{Id}", "DELETE", Summary = "Deletes a profile")]
-    public class DeleteProfile : IReturnVoid
-    {
-        [ApiMember(Name = "Id", Description = "Profile Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
-        public string Id { get; set; }
-    }
-
-    [Route("/Dlna/Profiles/Default", "GET", Summary = "Gets the default profile")]
-    public class GetDefaultProfile : IReturn<DeviceProfile>
-    {
-    }
-
-    [Route("/Dlna/Profiles/{Id}", "GET", Summary = "Gets a single profile")]
-    public class GetProfile : IReturn<DeviceProfile>
-    {
-        [ApiMember(Name = "Id", Description = "Profile Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
-        public string Id { get; set; }
-    }
-
-    [Route("/Dlna/Profiles/{Id}", "POST", Summary = "Updates a profile")]
-    public class UpdateProfile : DeviceProfile, IReturnVoid
-    {
-    }
-
-    [Route("/Dlna/Profiles", "POST", Summary = "Creates a profile")]
-    public class CreateProfile : DeviceProfile, IReturnVoid
-    {
-    }
-
-    [Authenticated(Roles = "Admin")]
-    public class DlnaService : IService
-    {
-        private readonly IDlnaManager _dlnaManager;
-
-        public DlnaService(IDlnaManager dlnaManager)
-        {
-            _dlnaManager = dlnaManager;
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Get(GetProfileInfos request)
-        {
-            return _dlnaManager.GetProfileInfos().ToArray();
-        }
-
-        public object Get(GetProfile request)
-        {
-            return _dlnaManager.GetProfile(request.Id);
-        }
-
-        [SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "request", Justification = "Required for ServiceStack")]
-        public object Get(GetDefaultProfile request)
-        {
-            return _dlnaManager.GetDefaultProfile();
-        }
-
-        public void Delete(DeleteProfile request)
-        {
-            _dlnaManager.DeleteProfile(request.Id);
-        }
-
-        public void Post(UpdateProfile request)
-        {
-            _dlnaManager.UpdateProfile(request);
-        }
-
-        public void Post(CreateProfile request)
-        {
-            _dlnaManager.CreateProfile(request);
-        }
-    }
-}

Emby.Dlna/Common/Argument.cs

@@ -1,13 +1,23 @@
-#pragma warning disable CS1591
-
 namespace Emby.Dlna.Common
 {
+    /// <summary>
+    /// DLNA Query parameter type, used when querying DLNA devices via SOAP.
+    /// </summary>
     public class Argument
     {
-        public string Name { get; set; }
+        /// <summary>
+        /// Gets or sets name of the DLNA argument.
+        /// </summary>
+        public string Name { get; set; } = string.Empty;
 
-        public string Direction { get; set; }
+        /// <summary>
+        /// Gets or sets the direction of the parameter.
+        /// </summary>
+        public string Direction { get; set; } = string.Empty;
 
-        public string RelatedStateVariable { get; set; }
+        /// <summary>
+        /// Gets or sets the related DLNA state variable for this argument.
+        /// </summary>
+        public string RelatedStateVariable { get; set; } = string.Empty;
     }
 }

Emby.Dlna/Common/DeviceIcon.cs

@@ -1,29 +1,41 @@
-#pragma warning disable CS1591
-
 using System.Globalization;
 
 namespace Emby.Dlna.Common
 {
+    /// <summary>
+    /// Defines the <see cref="DeviceIcon" />.
+    /// </summary>
     public class DeviceIcon
     {
-        public string Url { get; set; }
+        /// <summary>
+        /// Gets or sets the Url.
+        /// </summary>
+        public string Url { get; set; } = string.Empty;
 
-        public string MimeType { get; set; }
+        /// <summary>
+        /// Gets or sets the MimeType.
+        /// </summary>
+        public string MimeType { get; set; } = string.Empty;
 
+        /// <summary>
+        /// Gets or sets the Width.
+        /// </summary>
         public int Width { get; set; }
 
+        /// <summary>
+        /// Gets or sets the Height.
+        /// </summary>
         public int Height { get; set; }
 
-        public string Depth { get; set; }
+        /// <summary>
+        /// Gets or sets the Depth.
+        /// </summary>
+        public string Depth { get; set; } = string.Empty;
 
         /// <inheritdoc />
         public override string ToString()
         {
-            return string.Format(
-                CultureInfo.InvariantCulture,
-                "{0}x{1}",
-                Height,
-                Width);
+            return string.Format(CultureInfo.InvariantCulture, "{0}x{1}", Height, Width);
         }
     }
 }

Emby.Dlna/Common/DeviceService.cs

@@ -1,21 +1,36 @@
-#pragma warning disable CS1591
-
 namespace Emby.Dlna.Common
 {
+    /// <summary>
+    /// Defines the <see cref="DeviceService" />.
+    /// </summary>
     public class DeviceService
     {
-        public string ServiceType { get; set; }
+        /// <summary>
+        /// Gets or sets the Service Type.
+        /// </summary>
+        public string ServiceType { get; set; } = string.Empty;
 
-        public string ServiceId { get; set; }
+        /// <summary>
+        /// Gets or sets the Service Id.
+        /// </summary>
+        public string ServiceId { get; set; } = string.Empty;
 
-        public string ScpdUrl { get; set; }
+        /// <summary>
+        /// Gets or sets the Scpd Url.
+        /// </summary>
+        public string ScpdUrl { get; set; } = string.Empty;
 
-        public string ControlUrl { get; set; }
+        /// <summary>
+        /// Gets or sets the Control Url.
+        /// </summary>
+        public string ControlUrl { get; set; } = string.Empty;
 
-        public string EventSubUrl { get; set; }
+        /// <summary>
+        /// Gets or sets the EventSubUrl.
+        /// </summary>
+        public string EventSubUrl { get; set; } = string.Empty;
 
         /// <inheritdoc />
-        public override string ToString()
-            => ServiceId;
+        public override string ToString() => ServiceId;
     }
 }

Emby.Dlna/Common/ServiceAction.cs

@@ -1,24 +1,31 @@
-#pragma warning disable CS1591
-
 using System.Collections.Generic;
 
 namespace Emby.Dlna.Common
 {
+    /// <summary>
+    /// Defines the <see cref="ServiceAction" />.
+    /// </summary>
     public class ServiceAction
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ServiceAction"/> class.
+        /// </summary>
         public ServiceAction()
         {
             ArgumentList = new List<Argument>();
         }
 
-        public string Name { get; set; }
+        /// <summary>
+        /// Gets or sets the name of the action.
+        /// </summary>
+        public string Name { get; set; } = string.Empty;
 
-        public List<Argument> ArgumentList { get; set; }
+        /// <summary>
+        /// Gets the ArgumentList.
+        /// </summary>
+        public List<Argument> ArgumentList { get; }
 
         /// <inheritdoc />
-        public override string ToString()
-        {
-            return Name;
-        }
+        public override string ToString() => Name;
     }
 }

Emby.Dlna/Common/StateVariable.cs

@@ -1,26 +1,34 @@
-#pragma warning disable CS1591
-
 using System;
+using System.Collections.Generic;
 
 namespace Emby.Dlna.Common
 {
+    /// <summary>
+    /// Defines the <see cref="StateVariable" />.
+    /// </summary>
     public class StateVariable
     {
-        public StateVariable()
-        {
-            AllowedValues = Array.Empty<string>();
-        }
+        /// <summary>
+        /// Gets or sets the name of the state variable.
+        /// </summary>
+        public string Name { get; set; } = string.Empty;
 
-        public string Name { get; set; }
-
-        public string DataType { get; set; }
+        /// <summary>
+        /// Gets or sets the data type of the state variable.
+        /// </summary>
+        public string DataType { get; set; } = string.Empty;
 
+        /// <summary>
+        /// Gets or sets a value indicating whether it sends events.
+        /// </summary>
         public bool SendsEvents { get; set; }
 
-        public string[] AllowedValues { get; set; }
+        /// <summary>
+        /// Gets or sets the allowed values range.
+        /// </summary>
+        public IReadOnlyList<string> AllowedValues { get; set; } = Array.Empty<string>();
 
         /// <inheritdoc />
-        public override string ToString()
-            => Name;
+        public override string ToString() => Name;
     }
 }

Emby.Dlna/Configuration/DlnaOptions.cs

@@ -2,8 +2,14 @@
 
 namespace Emby.Dlna.Configuration
 {
+    /// <summary>
+    /// The DlnaOptions class contains the user definable parameters for the dlna subsystems.
+    /// </summary>
     public class DlnaOptions
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DlnaOptions"/> class.
+        /// </summary>
         public DlnaOptions()
         {
             EnablePlayTo = true;
@@ -11,23 +17,76 @@ namespace Emby.Dlna.Configuration
             BlastAliveMessages = true;
             SendOnlyMatchedHost = true;
             ClientDiscoveryIntervalSeconds = 60;
-            BlastAliveMessageIntervalSeconds = 1800;
+            AliveMessageIntervalSeconds = 1800;
         }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether gets or sets a value to indicate the status of the dlna playTo subsystem.
+        /// </summary>
         public bool EnablePlayTo { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether gets or sets a value to indicate the status of the dlna server subsystem.
+        /// </summary>
         public bool EnableServer { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether detailed dlna server logs are sent to the console/log.
+        /// If the setting "Emby.Dlna": "Debug" msut be set in logging.default.json for this property to work.
+        /// </summary>
         public bool EnableDebugLog { get; set; }
 
-        public bool BlastAliveMessages { get; set; }
-
-        public bool SendOnlyMatchedHost { get; set; }
+        /// <summary>
+        /// Gets or sets a value indicating whether whether detailed playTo debug logs are sent to the console/log.
+        /// If the setting "Emby.Dlna.PlayTo": "Debug" msut be set in logging.default.json for this property to work.
+        /// </summary>
+        public bool EnablePlayToTracing { get; set; }
 
+        /// <summary>
+        /// Gets or sets the ssdp client discovery interval time (in seconds).
+        /// This is the time after which the server will send a ssdp search request.
+        /// </summary>
         public int ClientDiscoveryIntervalSeconds { get; set; }
 
-        public int BlastAliveMessageIntervalSeconds { get; set; }
+        /// <summary>
+        /// Gets or sets the frequency at which ssdp alive notifications are transmitted.
+        /// </summary>
+        public int AliveMessageIntervalSeconds { get; set; }
 
+        /// <summary>
+        /// Gets or sets the frequency at which ssdp alive notifications are transmitted. MIGRATING - TO BE REMOVED ONCE WEB HAS BEEN ALTERED.
+        /// </summary>
+        public int BlastAliveMessageIntervalSeconds
+        {
+            get
+            {
+                return AliveMessageIntervalSeconds;
+            }
+
+            set
+            {
+                AliveMessageIntervalSeconds = value;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the default user account that the dlna server uses.
+        /// </summary>
         public string DefaultUserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether playTo device profiles should be created.
+        /// </summary>
+        public bool AutoCreatePlayToProfiles { get; set; }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether to blast alive messages.
+        /// </summary>
+        public bool BlastAliveMessages { get; set; } = true;
+
+        /// <summary>
+        /// gets or sets a value indicating whether to send only matched host.
+        /// </summary>
+        public bool SendOnlyMatchedHost { get; set; } = true;
     }
 }

Emby.Dlna/ConfigurationExtension.cs

@@ -1,7 +1,6 @@
 #nullable enable
 #pragma warning disable CS1591
 
-using System.Collections.Generic;
 using Emby.Dlna.Configuration;
 using MediaBrowser.Common.Configuration;
 
@@ -14,19 +13,4 @@ namespace Emby.Dlna
             return manager.GetConfiguration<DlnaOptions>("dlna");
         }
     }
-
-    public class DlnaConfigurationFactory : IConfigurationFactory
-    {
-        public IEnumerable<ConfigurationStore> GetConfigurations()
-        {
-            return new ConfigurationStore[]
-            {
-                new ConfigurationStore
-                {
-                    Key = "dlna",
-                    ConfigurationType = typeof (DlnaOptions)
-                }
-            };
-        }
-    }
 }

Emby.Dlna/ConnectionManager/ConnectionManager.cs

@@ -1,45 +0,0 @@
-#pragma warning disable CS1591
-
-using System.Threading.Tasks;
-using Emby.Dlna.Service;
-using MediaBrowser.Common.Net;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Dlna;
-using Microsoft.Extensions.Logging;
-
-namespace Emby.Dlna.ConnectionManager
-{
-    public class ConnectionManager : BaseService, IConnectionManager
-    {
-        private readonly IDlnaManager _dlna;
-        private readonly ILogger _logger;
-        private readonly IServerConfigurationManager _config;
-
-        public ConnectionManager(
-            IDlnaManager dlna,
-            IServerConfigurationManager config,
-            ILogger<ConnectionManager> logger,
-            IHttpClient httpClient)
-            : base(logger, httpClient)
-        {
-            _dlna = dlna;
-            _config = config;
-            _logger = logger;
-        }
-
-        /// <inheritdoc />
-        public string GetServiceXml()
-        {
-            return new ConnectionManagerXmlBuilder().GetXml();
-        }
-
-        /// <inheritdoc />
-        public Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
-        {
-            var profile = _dlna.GetProfile(request.Headers) ??
-                         _dlna.GetDefaultProfile();
-
-            return new ControlHandler(_config, _logger, profile).ProcessControlRequestAsync(request);
-        }
-    }
-}

Emby.Dlna/ConnectionManager/ConnectionManagerService.cs

@@ -0,0 +1,53 @@
+#pragma warning disable CS1591
+
+using System.Net.Http;
+using System.Threading.Tasks;
+using Emby.Dlna.Service;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Dlna;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Dlna.ConnectionManager
+{
+    /// <summary>
+    /// Defines the <see cref="ConnectionManagerService" />.
+    /// </summary>
+    public class ConnectionManagerService : BaseService, IConnectionManager
+    {
+        private readonly IDlnaManager _dlna;
+        private readonly IServerConfigurationManager _config;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ConnectionManagerService"/> class.
+        /// </summary>
+        /// <param name="dlna">The <see cref="IDlnaManager"/> for use with the <see cref="ConnectionManagerService"/> instance.</param>
+        /// <param name="config">The <see cref="IServerConfigurationManager"/> for use with the <see cref="ConnectionManagerService"/> instance.</param>
+        /// <param name="logger">The <see cref="ILogger{ConnectionManagerService}"/> for use with the <see cref="ConnectionManagerService"/> instance..</param>
+        /// <param name="httpClientFactory">The <see cref="IHttpClientFactory"/> for use with the <see cref="ConnectionManagerService"/> instance..</param>
+        public ConnectionManagerService(
+            IDlnaManager dlna,
+            IServerConfigurationManager config,
+            ILogger<ConnectionManagerService> logger,
+            IHttpClientFactory httpClientFactory)
+            : base(logger, httpClientFactory)
+        {
+            _dlna = dlna;
+            _config = config;
+        }
+
+        /// <inheritdoc />
+        public string GetServiceXml()
+        {
+            return ConnectionManagerXmlBuilder.GetXml();
+        }
+
+        /// <inheritdoc />
+        public Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
+        {
+            var profile = _dlna.GetProfile(request.Headers) ??
+                         _dlna.GetDefaultProfile();
+
+            return new ControlHandler(_config, Logger, profile).ProcessControlRequestAsync(request);
+        }
+    }
+}

Emby.Dlna/ConnectionManager/ConnectionManagerXmlBuilder.cs

@@ -6,45 +6,57 @@ using Emby.Dlna.Service;
 
 namespace Emby.Dlna.ConnectionManager
 {
-    public class ConnectionManagerXmlBuilder
+    /// <summary>
+    /// Defines the <see cref="ConnectionManagerXmlBuilder" />.
+    /// </summary>
+    public static class ConnectionManagerXmlBuilder
     {
-        public string GetXml()
+        /// <summary>
+        /// Gets the ConnectionManager:1 service template.
+        /// See http://upnp.org/specs/av/UPnP-av-ConnectionManager-v1-Service.pdf.
+        /// </summary>
+        /// <returns>An XML description of this service.</returns>
+        public static string GetXml()
         {
-            return new ServiceXmlBuilder().GetXml(new ServiceActionListBuilder().GetActions(), GetStateVariables());
+            return new ServiceXmlBuilder().GetXml(ServiceActionListBuilder.GetActions(), GetStateVariables());
         }
 
+        /// <summary>
+        /// Get the list of state variables for this invocation.
+        /// </summary>
+        /// <returns>The <see cref="IEnumerable{StateVariable}"/>.</returns>
         private static IEnumerable<StateVariable> GetStateVariables()
         {
-            var list = new List<StateVariable>();
-
-            list.Add(new StateVariable
+            var list = new List<StateVariable>
             {
-                Name = "SourceProtocolInfo",
-                DataType = "string",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "SourceProtocolInfo",
+                    DataType = "string",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "SinkProtocolInfo",
-                DataType = "string",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "SinkProtocolInfo",
+                    DataType = "string",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "CurrentConnectionIDs",
-                DataType = "string",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "CurrentConnectionIDs",
+                    DataType = "string",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_ConnectionStatus",
-                DataType = "string",
-                SendsEvents = false,
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_ConnectionStatus",
+                    DataType = "string",
+                    SendsEvents = false,
 
-                AllowedValues = new string[]
+                    AllowedValues = new[]
                 {
                     "OK",
                     "ContentFormatMismatch",
@@ -52,55 +64,56 @@ namespace Emby.Dlna.ConnectionManager
                     "UnreliableChannel",
                     "Unknown"
                 }
-            });
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_ConnectionManager",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_ConnectionManager",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Direction",
-                DataType = "string",
-                SendsEvents = false,
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Direction",
+                    DataType = "string",
+                    SendsEvents = false,
 
-                AllowedValues = new string[]
+                    AllowedValues = new[]
                 {
                     "Output",
                     "Input"
                 }
-            });
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_ProtocolInfo",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_ProtocolInfo",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_ConnectionID",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_ConnectionID",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_AVTransportID",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_AVTransportID",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_RcsID",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_RcsID",
+                    DataType = "ui4",
+                    SendsEvents = false
+                }
+            };
 
             return list;
         }

Emby.Dlna/ConnectionManager/ControlHandler.cs

@@ -11,10 +11,19 @@ using Microsoft.Extensions.Logging;
 
 namespace Emby.Dlna.ConnectionManager
 {
+    /// <summary>
+    /// Defines the <see cref="ControlHandler" />.
+    /// </summary>
     public class ControlHandler : BaseControlHandler
     {
         private readonly DeviceProfile _profile;
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ControlHandler"/> class.
+        /// </summary>
+        /// <param name="config">The <see cref="IServerConfigurationManager"/> for use with the <see cref="ControlHandler"/> instance.</param>
+        /// <param name="logger">The <see cref="ILogger"/> for use with the <see cref="ControlHandler"/> instance.</param>
+        /// <param name="profile">The <see cref="DeviceProfile"/> for use with the <see cref="ControlHandler"/> instance.</param>
         public ControlHandler(IServerConfigurationManager config, ILogger logger, DeviceProfile profile)
             : base(config, logger)
         {
@@ -33,6 +42,10 @@ namespace Emby.Dlna.ConnectionManager
             throw new ResourceNotFoundException("Unexpected control request name: " + methodName);
         }
 
+        /// <summary>
+        /// Builds the response to the GetProtocolInfo request.
+        /// </summary>
+        /// <param name="xmlWriter">The <see cref="XmlWriter"/>.</param>
         private void HandleGetProtocolInfo(XmlWriter xmlWriter)
         {
             xmlWriter.WriteElementString("Source", _profile.ProtocolInfo);

Emby.Dlna/ConnectionManager/ServiceActionListBuilder.cs

@@ -5,9 +5,16 @@ using Emby.Dlna.Common;
 
 namespace Emby.Dlna.ConnectionManager
 {
-    public class ServiceActionListBuilder
+    /// <summary>
+    /// Defines the <see cref="ServiceActionListBuilder" />.
+    /// </summary>
+    public static class ServiceActionListBuilder
     {
-        public IEnumerable<ServiceAction> GetActions()
+        /// <summary>
+        /// Returns an enumerable of the ConnectionManagar:1 DLNA actions.
+        /// </summary>
+        /// <returns>An <see cref="IEnumerable{ServiceAction}"/>.</returns>
+        public static IEnumerable<ServiceAction> GetActions()
         {
             var list = new List<ServiceAction>
             {
@@ -21,6 +28,10 @@ namespace Emby.Dlna.ConnectionManager
             return list;
         }
 
+        /// <summary>
+        /// Returns the action details for "PrepareForConnection".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction PrepareForConnection()
         {
             var action = new ServiceAction
@@ -80,6 +91,10 @@ namespace Emby.Dlna.ConnectionManager
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "GetCurrentConnectionInfo".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetCurrentConnectionInfo()
         {
             var action = new ServiceAction
@@ -146,7 +161,11 @@ namespace Emby.Dlna.ConnectionManager
             return action;
         }
 
-        private ServiceAction GetProtocolInfo()
+        /// <summary>
+        /// Returns the action details for "GetProtocolInfo".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetProtocolInfo()
         {
             var action = new ServiceAction
             {
@@ -170,7 +189,11 @@ namespace Emby.Dlna.ConnectionManager
             return action;
         }
 
-        private ServiceAction GetCurrentConnectionIDs()
+        /// <summary>
+        /// Returns the action details for "GetCurrentConnectionIDs".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetCurrentConnectionIDs()
         {
             var action = new ServiceAction
             {
@@ -187,7 +210,11 @@ namespace Emby.Dlna.ConnectionManager
             return action;
         }
 
-        private ServiceAction ConnectionComplete()
+        /// <summary>
+        /// Returns the action details for "ConnectionComplete".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction ConnectionComplete()
         {
             var action = new ServiceAction
             {

Emby.Dlna/ContentDirectory/ContentDirectoryService.cs

@@ -2,11 +2,11 @@
 
 using System;
 using System.Linq;
+using System.Net.Http;
 using System.Threading.Tasks;
 using Emby.Dlna.Service;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dlna;
 using MediaBrowser.Controller.Drawing;
@@ -19,7 +19,10 @@ using Microsoft.Extensions.Logging;
 
 namespace Emby.Dlna.ContentDirectory
 {
-    public class ContentDirectory : BaseService, IContentDirectory
+    /// <summary>
+    /// Defines the <see cref="ContentDirectoryService" />.
+    /// </summary>
+    public class ContentDirectoryService : BaseService, IContentDirectory
     {
         private readonly ILibraryManager _libraryManager;
         private readonly IImageProcessor _imageProcessor;
@@ -33,15 +36,31 @@ namespace Emby.Dlna.ContentDirectory
         private readonly IMediaEncoder _mediaEncoder;
         private readonly ITVSeriesManager _tvSeriesManager;
 
-        public ContentDirectory(
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ContentDirectoryService"/> class.
+        /// </summary>
+        /// <param name="dlna">The <see cref="IDlnaManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="userDataManager">The <see cref="IUserDataManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="imageProcessor">The <see cref="IImageProcessor"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="libraryManager">The <see cref="ILibraryManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="config">The <see cref="IServerConfigurationManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="userManager">The <see cref="IUserManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="logger">The <see cref="ILogger{ContentDirectoryService}"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="httpClient">The <see cref="IHttpClientFactory"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="localization">The <see cref="ILocalizationManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="mediaSourceManager">The <see cref="IMediaSourceManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="userViewManager">The <see cref="IUserViewManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="mediaEncoder">The <see cref="IMediaEncoder"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        /// <param name="tvSeriesManager">The <see cref="ITVSeriesManager"/> to use in the <see cref="ContentDirectoryService"/> instance.</param>
+        public ContentDirectoryService(
             IDlnaManager dlna,
             IUserDataManager userDataManager,
             IImageProcessor imageProcessor,
             ILibraryManager libraryManager,
             IServerConfigurationManager config,
             IUserManager userManager,
-            ILogger<ContentDirectory> logger,
-            IHttpClient httpClient,
+            ILogger<ContentDirectoryService> logger,
+            IHttpClientFactory httpClient,
             ILocalizationManager localization,
             IMediaSourceManager mediaSourceManager,
             IUserViewManager userViewManager,
@@ -62,7 +81,10 @@ namespace Emby.Dlna.ContentDirectory
             _tvSeriesManager = tvSeriesManager;
         }
 
-        private int SystemUpdateId
+        /// <summary>
+        /// Gets the system id. (A unique id which changes on when our definition changes.)
+        /// </summary>
+        private static int SystemUpdateId
         {
             get
             {
@@ -75,14 +97,18 @@ namespace Emby.Dlna.ContentDirectory
         /// <inheritdoc />
         public string GetServiceXml()
         {
-            return new ContentDirectoryXmlBuilder().GetXml();
+            return ContentDirectoryXmlBuilder.GetXml();
         }
 
         /// <inheritdoc />
         public Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
         {
-            var profile = _dlna.GetProfile(request.Headers) ??
-                          _dlna.GetDefaultProfile();
+            if (request == null)
+            {
+                throw new ArgumentNullException(nameof(request));
+            }
+
+            var profile = _dlna.GetProfile(request.Headers) ?? _dlna.GetDefaultProfile();
 
             var serverAddress = request.RequestedUrl.Substring(0, request.RequestedUrl.IndexOf("/dlna", StringComparison.OrdinalIgnoreCase));
 
@@ -107,6 +133,11 @@ namespace Emby.Dlna.ContentDirectory
                 .ProcessControlRequestAsync(request);
         }
 
+        /// <summary>
+        /// Get the user stored in the device profile.
+        /// </summary>
+        /// <param name="profile">The <see cref="DeviceProfile"/>.</param>
+        /// <returns>The <see cref="User"/>.</returns>
         private User GetUser(DeviceProfile profile)
         {
             if (!string.IsNullOrEmpty(profile.UserId))

Emby.Dlna/ContentDirectory/ContentDirectoryXmlBuilder.cs

@@ -6,142 +6,154 @@ using Emby.Dlna.Service;
 
 namespace Emby.Dlna.ContentDirectory
 {
-    public class ContentDirectoryXmlBuilder
+    /// <summary>
+    /// Defines the <see cref="ContentDirectoryXmlBuilder" />.
+    /// </summary>
+    public static class ContentDirectoryXmlBuilder
     {
-        public string GetXml()
+        /// <summary>
+        /// Gets the ContentDirectory:1 service template.
+        /// See http://upnp.org/specs/av/UPnP-av-ContentDirectory-v1-Service.pdf.
+        /// </summary>
+        /// <returns>An XML description of this service.</returns>
+        public static string GetXml()
         {
-            return new ServiceXmlBuilder().GetXml(new ServiceActionListBuilder().GetActions(),
-                GetStateVariables());
+            return new ServiceXmlBuilder().GetXml(ServiceActionListBuilder.GetActions(), GetStateVariables());
         }
 
+        /// <summary>
+        /// Get the list of state variables for this invocation.
+        /// </summary>
+        /// <returns>The <see cref="IEnumerable{StateVariable}"/>.</returns>
         private static IEnumerable<StateVariable> GetStateVariables()
         {
-            var list = new List<StateVariable>();
-
-            list.Add(new StateVariable
+            var list = new List<StateVariable>
             {
-                Name = "A_ARG_TYPE_Filter",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Filter",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_SortCriteria",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_SortCriteria",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Index",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Index",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Count",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Count",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_UpdateID",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_UpdateID",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "SearchCapabilities",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "SearchCapabilities",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "SortCapabilities",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "SortCapabilities",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "SystemUpdateID",
-                DataType = "ui4",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "SystemUpdateID",
+                    DataType = "ui4",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_SearchCriteria",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_SearchCriteria",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Result",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Result",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_ObjectID",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_ObjectID",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_BrowseFlag",
-                DataType = "string",
-                SendsEvents = false,
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_BrowseFlag",
+                    DataType = "string",
+                    SendsEvents = false,
 
-                AllowedValues = new string[]
+                    AllowedValues = new[]
                 {
                     "BrowseMetadata",
                     "BrowseDirectChildren"
                 }
-            });
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_BrowseLetter",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_BrowseLetter",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_CategoryType",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_CategoryType",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_RID",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_RID",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_PosSec",
-                DataType = "ui4",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_PosSec",
+                    DataType = "ui4",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Featurelist",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Featurelist",
+                    DataType = "string",
+                    SendsEvents = false
+                }
+            };
 
             return list;
         }

Emby.Dlna/ContentDirectory/ServerItem.cs

@@ -0,0 +1,36 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities;
+
+namespace Emby.Dlna.ContentDirectory
+{
+    /// <summary>
+    /// Defines the <see cref="ServerItem" />.
+    /// </summary>
+    internal class ServerItem
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ServerItem"/> class.
+        /// </summary>
+        /// <param name="item">The <see cref="BaseItem"/>.</param>
+        public ServerItem(BaseItem item)
+        {
+            Item = item;
+
+            if (item is IItemByName && !(item is Folder))
+            {
+                StubType = Dlna.ContentDirectory.StubType.Folder;
+            }
+        }
+
+        /// <summary>
+        /// Gets or sets the underlying base item.
+        /// </summary>
+        public BaseItem Item { get; set; }
+
+        /// <summary>
+        /// Gets or sets the DLNA item type.
+        /// </summary>
+        public StubType? StubType { get; set; }
+    }
+}

Emby.Dlna/ContentDirectory/ServiceActionListBuilder.cs

@@ -1,13 +1,18 @@
-#pragma warning disable CS1591
-
 using System.Collections.Generic;
 using Emby.Dlna.Common;
 
 namespace Emby.Dlna.ContentDirectory
 {
-    public class ServiceActionListBuilder
+    /// <summary>
+    /// Defines the <see cref="ServiceActionListBuilder" />.
+    /// </summary>
+    public static class ServiceActionListBuilder
     {
-        public IEnumerable<ServiceAction> GetActions()
+        /// <summary>
+        /// Returns a list of services that this instance provides.
+        /// </summary>
+        /// <returns>An <see cref="IEnumerable{ServiceAction}"/>.</returns>
+        public static IEnumerable<ServiceAction> GetActions()
         {
             return new[]
             {
@@ -22,6 +27,10 @@ namespace Emby.Dlna.ContentDirectory
             };
         }
 
+        /// <summary>
+        /// Returns the action details for "GetSystemUpdateID".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetGetSystemUpdateIDAction()
         {
             var action = new ServiceAction
@@ -39,6 +48,10 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "GetSearchCapabilities".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetSearchCapabilitiesAction()
         {
             var action = new ServiceAction
@@ -56,6 +69,10 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "GetSortCapabilities".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetSortCapabilitiesAction()
         {
             var action = new ServiceAction
@@ -73,6 +90,10 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "X_GetFeatureList".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetX_GetFeatureListAction()
         {
             var action = new ServiceAction
@@ -90,6 +111,10 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "Search".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetSearchAction()
         {
             var action = new ServiceAction
@@ -170,7 +195,11 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
-        private ServiceAction GetBrowseAction()
+        /// <summary>
+        /// Returns the action details for "Browse".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetBrowseAction()
         {
             var action = new ServiceAction
             {
@@ -250,7 +279,11 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
-        private ServiceAction GetBrowseByLetterAction()
+        /// <summary>
+        /// Returns the action details for "X_BrowseByLetter".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetBrowseByLetterAction()
         {
             var action = new ServiceAction
             {
@@ -337,7 +370,11 @@ namespace Emby.Dlna.ContentDirectory
             return action;
         }
 
-        private ServiceAction GetXSetBookmarkAction()
+        /// <summary>
+        /// Returns the action details for "X_SetBookmark".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetXSetBookmarkAction()
         {
             var action = new ServiceAction
             {

Emby.Dlna/ContentDirectory/StubType.cs

@@ -0,0 +1,31 @@
+#pragma warning disable CS1591
+#pragma warning disable SA1602
+
+namespace Emby.Dlna.ContentDirectory
+{
+    /// <summary>
+    /// Defines the DLNA item types.
+    /// </summary>
+    public enum StubType
+    {
+        Folder = 0,
+        Latest = 2,
+        Playlists = 3,
+        Albums = 4,
+        AlbumArtists = 5,
+        Artists = 6,
+        Songs = 7,
+        Genres = 8,
+        FavoriteSongs = 9,
+        FavoriteArtists = 10,
+        FavoriteAlbums = 11,
+        ContinueWatching = 12,
+        Movies = 13,
+        Collections = 14,
+        Favorites = 15,
+        NextUp = 16,
+        Series = 17,
+        FavoriteSeries = 18,
+        FavoriteEpisodes = 19
+    }
+}

Emby.Dlna/ControlRequest.cs

@@ -7,17 +7,17 @@ namespace Emby.Dlna
 {
     public class ControlRequest
     {
-        public IHeaderDictionary Headers { get; set; }
+        public ControlRequest(IHeaderDictionary headers)
+        {
+            Headers = headers;
+        }
+
+        public IHeaderDictionary Headers { get; }
 
         public Stream InputXml { get; set; }
 
         public string TargetServerUuId { get; set; }
 
         public string RequestedUrl { get; set; }
-
-        public ControlRequest()
-        {
-            Headers = new HeaderDictionary();
-        }
     }
 }

Emby.Dlna/ControlResponse.cs

@@ -11,10 +11,16 @@ namespace Emby.Dlna
             Headers = new Dictionary<string, string>();
         }
 
-        public IDictionary<string, string> Headers { get; set; }
+        public IDictionary<string, string> Headers { get; }
 
         public string Xml { get; set; }
 
         public bool IsSuccessful { get; set; }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return Xml;
+        }
     }
 }

Emby.Dlna/Didl/DidlBuilder.cs

@@ -34,12 +34,12 @@ namespace Emby.Dlna.Didl
 {
     public class DidlBuilder
     {
-        private readonly CultureInfo _usCulture = new CultureInfo("en-US");
+        private const string NsDidl = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
+        private const string NsDc = "http://purl.org/dc/elements/1.1/";
+        private const string NsUpnp = "urn:schemas-upnp-org:metadata-1-0/upnp/";
+        private const string NsDlna = "urn:schemas-dlna-org:metadata-1-0/";
 
-        private const string NS_DIDL = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
-        private const string NS_DC = "http://purl.org/dc/elements/1.1/";
-        private const string NS_UPNP = "urn:schemas-upnp-org:metadata-1-0/upnp/";
-        private const string NS_DLNA = "urn:schemas-dlna-org:metadata-1-0/";
+        private readonly CultureInfo _usCulture = new CultureInfo("en-US");
 
         private readonly DeviceProfile _profile;
         private readonly IImageProcessor _imageProcessor;
@@ -96,15 +96,16 @@ namespace Emby.Dlna.Didl
 
             using (StringWriter builder = new StringWriterWithEncoding(Encoding.UTF8))
             {
+                // If this using are changed to single lines, then write.Flush needs to be appended before the return.
                 using (var writer = XmlWriter.Create(builder, settings))
                 {
                     // writer.WriteStartDocument();
 
-                    writer.WriteStartElement(string.Empty, "DIDL-Lite", NS_DIDL);
+                    writer.WriteStartElement(string.Empty, "DIDL-Lite", NsDidl);
 
-                    writer.WriteAttributeString("xmlns", "dc", null, NS_DC);
-                    writer.WriteAttributeString("xmlns", "dlna", null, NS_DLNA);
-                    writer.WriteAttributeString("xmlns", "upnp", null, NS_UPNP);
+                    writer.WriteAttributeString("xmlns", "dc", null, NsDc);
+                    writer.WriteAttributeString("xmlns", "dlna", null, NsDlna);
+                    writer.WriteAttributeString("xmlns", "upnp", null, NsUpnp);
                     // didl.SetAttribute("xmlns:sec", NS_SEC);
 
                     WriteXmlRootAttributes(_profile, writer);
@@ -123,7 +124,7 @@ namespace Emby.Dlna.Didl
         {
             foreach (var att in profile.XmlRootAttributes)
             {
-                var parts = att.Name.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
+                var parts = att.Name.Split(':', StringSplitOptions.RemoveEmptyEntries);
                 if (parts.Length == 2)
                 {
                     writer.WriteAttributeString(parts[0], parts[1], null, att.Value);
@@ -147,7 +148,7 @@ namespace Emby.Dlna.Didl
         {
             var clientId = GetClientId(item, null);
 
-            writer.WriteStartElement(string.Empty, "item", NS_DIDL);
+            writer.WriteStartElement(string.Empty, "item", NsDidl);
 
             writer.WriteAttributeString("restricted", "1");
             writer.WriteAttributeString("id", clientId);
@@ -207,7 +208,8 @@ namespace Emby.Dlna.Didl
             var targetWidth = streamInfo.TargetWidth;
             var targetHeight = streamInfo.TargetHeight;
 
-            var contentFeatureList = new ContentFeatureBuilder(_profile).BuildVideoHeader(streamInfo.Container,
+            var contentFeatureList = new ContentFeatureBuilder(_profile).BuildVideoHeader(
+                streamInfo.Container,
                 streamInfo.TargetVideoCodec.FirstOrDefault(),
                 streamInfo.TargetAudioCodec.FirstOrDefault(),
                 targetWidth,
@@ -279,7 +281,7 @@ namespace Emby.Dlna.Didl
             }
             else if (string.Equals(subtitleMode, "smi", StringComparison.OrdinalIgnoreCase))
             {
-                writer.WriteStartElement(string.Empty, "res", NS_DIDL);
+                writer.WriteStartElement(string.Empty, "res", NsDidl);
 
                 writer.WriteAttributeString("protocolInfo", "http-get:*:smi/caption:*");
 
@@ -288,7 +290,7 @@ namespace Emby.Dlna.Didl
             }
             else
             {
-                writer.WriteStartElement(string.Empty, "res", NS_DIDL);
+                writer.WriteStartElement(string.Empty, "res", NsDidl);
                 var protocolInfo = string.Format(
                     CultureInfo.InvariantCulture,
                     "http-get:*:text/{0}:*",
@@ -304,7 +306,7 @@ namespace Emby.Dlna.Didl
 
         private void AddVideoResource(XmlWriter writer, Filter filter, string contentFeatures, StreamInfo streamInfo)
         {
-            writer.WriteStartElement(string.Empty, "res", NS_DIDL);
+            writer.WriteStartElement(string.Empty, "res", NsDidl);
 
             var url = NormalizeDlnaMediaUrl(streamInfo.ToUrl(_serverAddress, _accessToken));
 
@@ -364,7 +366,8 @@ namespace Emby.Dlna.Didl
                 writer.WriteAttributeString("bitrate", totalBitrate.Value.ToString(_usCulture));
             }
 
-            var mediaProfile = _profile.GetVideoMediaProfile(streamInfo.Container,
+            var mediaProfile = _profile.GetVideoMediaProfile(
+                streamInfo.Container,
                 streamInfo.TargetAudioCodec.FirstOrDefault(),
                 streamInfo.TargetVideoCodec.FirstOrDefault(),
                 streamInfo.TargetAudioBitrate,
@@ -525,7 +528,7 @@ namespace Emby.Dlna.Didl
 
         private void AddAudioResource(XmlWriter writer, BaseItem audio, string deviceId, Filter filter, StreamInfo streamInfo = null)
         {
-            writer.WriteStartElement(string.Empty, "res", NS_DIDL);
+            writer.WriteStartElement(string.Empty, "res", NsDidl);
 
             if (streamInfo == null)
             {
@@ -582,7 +585,8 @@ namespace Emby.Dlna.Didl
                 writer.WriteAttributeString("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
             }
 
-            var mediaProfile = _profile.GetAudioMediaProfile(streamInfo.Container,
+            var mediaProfile = _profile.GetAudioMediaProfile(
+                streamInfo.Container,
                 streamInfo.TargetAudioCodec.FirstOrDefault(),
                 targetChannels,
                 targetAudioBitrate,
@@ -595,7 +599,8 @@ namespace Emby.Dlna.Didl
                 ? MimeTypes.GetMimeType(filename)
                 : mediaProfile.MimeType;
 
-            var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader(streamInfo.Container,
+            var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader(
+                streamInfo.Container,
                 streamInfo.TargetAudioCodec.FirstOrDefault(),
                 targetAudioBitrate,
                 targetSampleRate,
@@ -626,7 +631,7 @@ namespace Emby.Dlna.Didl
 
         public void WriteFolderElement(XmlWriter writer, BaseItem folder, StubType? stubType, BaseItem context, int childCount, Filter filter, string requestedId = null)
         {
-            writer.WriteStartElement(string.Empty, "container", NS_DIDL);
+            writer.WriteStartElement(string.Empty, "container", NsDidl);
 
             writer.WriteAttributeString("restricted", "1");
             writer.WriteAttributeString("searchable", "1");
@@ -713,7 +718,7 @@ namespace Emby.Dlna.Didl
             // MediaMonkey for example won't display content without a title
             // if (filter.Contains("dc:title"))
             {
-                AddValue(writer, "dc", "title", GetDisplayName(item, itemStubType, context), NS_DC);
+                AddValue(writer, "dc", "title", GetDisplayName(item, itemStubType, context), NsDc);
             }
 
             WriteObjectClass(writer, item, itemStubType);
@@ -722,7 +727,7 @@ namespace Emby.Dlna.Didl
             {
                 if (item.PremiereDate.HasValue)
                 {
-                    AddValue(writer, "dc", "date", item.PremiereDate.Value.ToString("o", CultureInfo.InvariantCulture), NS_DC);
+                    AddValue(writer, "dc", "date", item.PremiereDate.Value.ToString("o", CultureInfo.InvariantCulture), NsDc);
                 }
             }
 
@@ -730,13 +735,13 @@ namespace Emby.Dlna.Didl
             {
                 foreach (var genre in item.Genres)
                 {
-                    AddValue(writer, "upnp", "genre", genre, NS_UPNP);
+                    AddValue(writer, "upnp", "genre", genre, NsUpnp);
                 }
             }
 
             foreach (var studio in item.Studios)
             {
-                AddValue(writer, "upnp", "publisher", studio, NS_UPNP);
+                AddValue(writer, "upnp", "publisher", studio, NsUpnp);
             }
 
             if (!(item is Folder))
@@ -747,28 +752,29 @@ namespace Emby.Dlna.Didl
 
                     if (!string.IsNullOrWhiteSpace(desc))
                     {
-                        AddValue(writer, "dc", "description", desc, NS_DC);
+                        AddValue(writer, "dc", "description", desc, NsDc);
                     }
                 }
+
                 // if (filter.Contains("upnp:longDescription"))
-                //{
+                // {
                 //    if (!string.IsNullOrWhiteSpace(item.Overview))
                 //    {
-                //        AddValue(writer, "upnp", "longDescription", item.Overview, NS_UPNP);
+                //        AddValue(writer, "upnp", "longDescription", item.Overview, NsUpnp);
                 //    }
-                //}
+                // }
             }
 
             if (!string.IsNullOrEmpty(item.OfficialRating))
             {
                 if (filter.Contains("dc:rating"))
                 {
-                    AddValue(writer, "dc", "rating", item.OfficialRating, NS_DC);
+                    AddValue(writer, "dc", "rating", item.OfficialRating, NsDc);
                 }
 
                 if (filter.Contains("upnp:rating"))
                 {
-                    AddValue(writer, "upnp", "rating", item.OfficialRating, NS_UPNP);
+                    AddValue(writer, "upnp", "rating", item.OfficialRating, NsUpnp);
                 }
             }
 
@@ -780,7 +786,7 @@ namespace Emby.Dlna.Didl
             // More types here
             // http://oss.linn.co.uk/repos/Public/LibUpnpCil/DidlLite/UpnpAv/Test/TestDidlLite.cs
 
-            writer.WriteStartElement("upnp", "class", NS_UPNP);
+            writer.WriteStartElement("upnp", "class", NsUpnp);
 
             if (item.IsDisplayedAsFolder || stubType.HasValue)
             {
@@ -881,7 +887,7 @@ namespace Emby.Dlna.Didl
                 var type = types.FirstOrDefault(i => string.Equals(i, actor.Type, StringComparison.OrdinalIgnoreCase) || string.Equals(i, actor.Role, StringComparison.OrdinalIgnoreCase))
                     ?? PersonType.Actor;
 
-                AddValue(writer, "upnp", type.ToLowerInvariant(), actor.Name, NS_UPNP);
+                AddValue(writer, "upnp", type.ToLowerInvariant(), actor.Name, NsUpnp);
             }
         }
 
@@ -895,8 +901,8 @@ namespace Emby.Dlna.Didl
             {
                 foreach (var artist in hasArtists.Artists)
                 {
-                    AddValue(writer, "upnp", "artist", artist, NS_UPNP);
-                    AddValue(writer, "dc", "creator", artist, NS_DC);
+                    AddValue(writer, "upnp", "artist", artist, NsUpnp);
+                    AddValue(writer, "dc", "creator", artist, NsDc);
 
                     // If it doesn't support album artists (musicvideo), then tag as both
                     if (hasAlbumArtists == null)
@@ -916,16 +922,16 @@ namespace Emby.Dlna.Didl
 
             if (!string.IsNullOrWhiteSpace(item.Album))
             {
-                AddValue(writer, "upnp", "album", item.Album, NS_UPNP);
+                AddValue(writer, "upnp", "album", item.Album, NsUpnp);
             }
 
             if (item.IndexNumber.HasValue)
             {
-                AddValue(writer, "upnp", "originalTrackNumber", item.IndexNumber.Value.ToString(_usCulture), NS_UPNP);
+                AddValue(writer, "upnp", "originalTrackNumber", item.IndexNumber.Value.ToString(_usCulture), NsUpnp);
 
                 if (item is Episode)
                 {
-                    AddValue(writer, "upnp", "episodeNumber", item.IndexNumber.Value.ToString(_usCulture), NS_UPNP);
+                    AddValue(writer, "upnp", "episodeNumber", item.IndexNumber.Value.ToString(_usCulture), NsUpnp);
                 }
             }
         }
@@ -934,7 +940,7 @@ namespace Emby.Dlna.Didl
         {
             try
             {
-                writer.WriteStartElement("upnp", "artist", NS_UPNP);
+                writer.WriteStartElement("upnp", "artist", NsUpnp);
                 writer.WriteAttributeString("role", "AlbumArtist");
 
                 writer.WriteString(name);
@@ -943,7 +949,7 @@ namespace Emby.Dlna.Didl
             }
             catch (XmlException ex)
             {
-                _logger.LogError(ex, "Error adding xml value: {value}", name);
+                _logger.LogError(ex, "Error adding xml value: {Value}", name);
             }
         }
 
@@ -955,7 +961,7 @@ namespace Emby.Dlna.Didl
             }
             catch (XmlException ex)
             {
-                _logger.LogError(ex, "Error adding xml value: {value}", value);
+                _logger.LogError(ex, "Error adding xml value: {Value}", value);
             }
         }
 
@@ -970,14 +976,14 @@ namespace Emby.Dlna.Didl
 
             var albumartUrlInfo = GetImageUrl(imageInfo, _profile.MaxAlbumArtWidth, _profile.MaxAlbumArtHeight, "jpg");
 
-            writer.WriteStartElement("upnp", "albumArtURI", NS_UPNP);
-            writer.WriteAttributeString("dlna", "profileID", NS_DLNA, _profile.AlbumArtPn);
-            writer.WriteString(albumartUrlInfo.Url);
+            writer.WriteStartElement("upnp", "albumArtURI", NsUpnp);
+            writer.WriteAttributeString("dlna", "profileID", NsDlna, _profile.AlbumArtPn);
+            writer.WriteString(albumartUrlInfo.url);
             writer.WriteFullEndElement();
 
             // TOOD: Remove these default values
             var iconUrlInfo = GetImageUrl(imageInfo, _profile.MaxIconWidth ?? 48, _profile.MaxIconHeight ?? 48, "jpg");
-            writer.WriteElementString("upnp", "icon", NS_UPNP, iconUrlInfo.Url);
+            writer.WriteElementString("upnp", "icon", NsUpnp, iconUrlInfo.url);
 
             if (!_profile.EnableAlbumArtInDidl)
             {
@@ -1020,12 +1026,12 @@ namespace Emby.Dlna.Didl
 
             var albumartUrlInfo = GetImageUrl(imageInfo, maxWidth, maxHeight, format);
 
-            writer.WriteStartElement(string.Empty, "res", NS_DIDL);
+            writer.WriteStartElement(string.Empty, "res", NsDidl);
 
             // Images must have a reported size or many clients (Bubble upnp), will only use the first thumbnail
             // rather than using a larger one when available
-            var width = albumartUrlInfo.Width ?? maxWidth;
-            var height = albumartUrlInfo.Height ?? maxHeight;
+            var width = albumartUrlInfo.width ?? maxWidth;
+            var height = albumartUrlInfo.height ?? maxHeight;
 
             var contentFeatures = new ContentFeatureBuilder(_profile)
                 .BuildImageHeader(format, width, height, imageInfo.IsDirectStream, org_Pn);
@@ -1042,7 +1048,7 @@ namespace Emby.Dlna.Didl
                 "resolution",
                 string.Format(CultureInfo.InvariantCulture, "{0}x{1}", width, height));
 
-            writer.WriteString(albumartUrlInfo.Url);
+            writer.WriteString(albumartUrlInfo.url);
 
             writer.WriteFullEndElement();
         }
@@ -1138,7 +1144,6 @@ namespace Emby.Dlna.Didl
 
             if (width == 0 || height == 0)
             {
-                // _imageProcessor.GetImageSize(item, imageInfo);
                 width = null;
                 height = null;
             }
@@ -1148,18 +1153,6 @@ namespace Emby.Dlna.Didl
                 height = null;
             }
 
-            // try
-            //{
-            //    var size = _imageProcessor.GetImageSize(imageInfo);
-
-            //    width = size.Width;
-            //    height = size.Height;
-            //}
-            // catch
-            //{
-
-            //}
-
             var inputFormat = (Path.GetExtension(imageInfo.Path) ?? string.Empty)
                 .TrimStart('.')
                 .Replace("jpeg", "jpg", StringComparison.OrdinalIgnoreCase);
@@ -1176,30 +1169,6 @@ namespace Emby.Dlna.Didl
             };
         }
 
-        private class ImageDownloadInfo
-        {
-            internal Guid ItemId;
-            internal string ImageTag;
-            internal ImageType Type;
-
-            internal int? Width;
-            internal int? Height;
-
-            internal bool IsDirectStream;
-
-            internal string Format;
-
-            internal ItemImageInfo ItemImageInfo;
-        }
-
-        private class ImageUrlInfo
-        {
-            internal string Url;
-
-            internal int? Width;
-            internal int? Height;
-        }
-
         public static string GetClientId(BaseItem item, StubType? stubType)
         {
             return GetClientId(item.Id, stubType);
@@ -1217,7 +1186,7 @@ namespace Emby.Dlna.Didl
             return id;
         }
 
-        private ImageUrlInfo GetImageUrl(ImageDownloadInfo info, int maxWidth, int maxHeight, string format)
+        private (string url, int? width, int? height) GetImageUrl(ImageDownloadInfo info, int maxWidth, int maxHeight, string format)
         {
             var url = string.Format(
                 CultureInfo.InvariantCulture,
@@ -1255,12 +1224,26 @@ namespace Emby.Dlna.Didl
             // just lie
             info.IsDirectStream = true;
 
-            return new ImageUrlInfo
-            {
-                Url = url,
-                Width = width,
-                Height = height
-            };
+            return (url, width, height);
+        }
+
+        private class ImageDownloadInfo
+        {
+            internal Guid ItemId { get; set; }
+
+            internal string ImageTag { get; set; }
+
+            internal ImageType Type { get; set; }
+
+            internal int? Width { get; set; }
+
+            internal int? Height { get; set; }
+
+            internal bool IsDirectStream { get; set; }
+
+            internal string Format { get; set; }
+
+            internal ItemImageInfo ItemImageInfo { get; set; }
         }
     }
 }

Emby.Dlna/Didl/Filter.cs

@@ -18,14 +18,12 @@ namespace Emby.Dlna.Didl
         {
             _all = string.Equals(filter, "*", StringComparison.OrdinalIgnoreCase);
 
-            _fields = (filter ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            _fields = (filter ?? string.Empty).Split(',', StringSplitOptions.RemoveEmptyEntries);
         }
 
         public bool Contains(string field)
         {
-            // Don't bother with this. Some clients (media monkey) use the filter and then don't display very well when very little data comes back.
-            return true;
-            // return _all || ListHelper.ContainsIgnoreCase(_fields, field);
+            return _all || Array.Exists(_fields, x => x.Equals(field, StringComparison.OrdinalIgnoreCase));
         }
     }
 }

Emby.Dlna/Didl/StringWriterWithEncoding.cs

@@ -1,4 +1,5 @@
 #pragma warning disable CS1591
+#pragma warning disable CA1305
 
 using System;
 using System.IO;
@@ -29,7 +30,6 @@ namespace Emby.Dlna.Didl
         {
         }
 
-
         public StringWriterWithEncoding(Encoding encoding)
         {
             _encoding = encoding;

Emby.Dlna/DlnaConfigurationFactory.cs

@@ -0,0 +1,24 @@
+#nullable enable
+#pragma warning disable CS1591
+
+using System.Collections.Generic;
+using Emby.Dlna.Configuration;
+using MediaBrowser.Common.Configuration;
+
+namespace Emby.Dlna
+{
+    public class DlnaConfigurationFactory : IConfigurationFactory
+    {
+        public IEnumerable<ConfigurationStore> GetConfigurations()
+        {
+            return new[]
+            {
+                new ConfigurationStore
+                {
+                    Key = "dlna",
+                    ConfigurationType = typeof(DlnaOptions)
+                }
+            };
+        }
+    }
+}

Emby.Dlna/DlnaManager.cs

@@ -54,11 +54,15 @@ namespace Emby.Dlna
             _appHost = appHost;
         }
 
+        private string UserProfilesPath => Path.Combine(_appPaths.ConfigurationDirectoryPath, "dlna", "user");
+
+        private string SystemProfilesPath => Path.Combine(_appPaths.ConfigurationDirectoryPath, "dlna", "system");
+
         public async Task InitProfilesAsync()
         {
             try
             {
-                await ExtractSystemProfilesAsync();
+                await ExtractSystemProfilesAsync().ConfigureAwait(false);
                 LoadProfiles();
             }
             catch (Exception ex)
@@ -107,7 +111,7 @@ namespace Emby.Dlna
 
             if (profile != null)
             {
-                _logger.LogDebug("Found matching device profile: {0}", profile.Name);
+                _logger.LogDebug("Found matching device profile: {ProfileName}", profile.Name);
             }
             else
             {
@@ -122,101 +126,57 @@ namespace Emby.Dlna
             var builder = new StringBuilder();
 
             builder.AppendLine("No matching device profile found. The default will need to be used.");
-            builder.AppendLine(string.Format("DeviceDescription:{0}", profile.DeviceDescription ?? string.Empty));
-            builder.AppendLine(string.Format("FriendlyName:{0}", profile.FriendlyName ?? string.Empty));
-            builder.AppendLine(string.Format("Manufacturer:{0}", profile.Manufacturer ?? string.Empty));
-            builder.AppendLine(string.Format("ManufacturerUrl:{0}", profile.ManufacturerUrl ?? string.Empty));
-            builder.AppendLine(string.Format("ModelDescription:{0}", profile.ModelDescription ?? string.Empty));
-            builder.AppendLine(string.Format("ModelName:{0}", profile.ModelName ?? string.Empty));
-            builder.AppendLine(string.Format("ModelNumber:{0}", profile.ModelNumber ?? string.Empty));
-            builder.AppendLine(string.Format("ModelUrl:{0}", profile.ModelUrl ?? string.Empty));
-            builder.AppendLine(string.Format("SerialNumber:{0}", profile.SerialNumber ?? string.Empty));
+            builder.Append("FriendlyName:").AppendLine(profile.FriendlyName);
+            builder.Append("Manufacturer:").AppendLine(profile.Manufacturer);
+            builder.Append("ManufacturerUrl:").AppendLine(profile.ManufacturerUrl);
+            builder.Append("ModelDescription:").AppendLine(profile.ModelDescription);
+            builder.Append("ModelName:").AppendLine(profile.ModelName);
+            builder.Append("ModelNumber:").AppendLine(profile.ModelNumber);
+            builder.Append("ModelUrl:").AppendLine(profile.ModelUrl);
+            builder.Append("SerialNumber:").AppendLine(profile.SerialNumber);
 
             _logger.LogInformation(builder.ToString());
         }
 
-        private bool IsMatch(DeviceIdentification deviceInfo, DeviceIdentification profileInfo)
+        /// <summary>
+        /// Attempts to match a device with a profile.
+        /// Rules:
+        /// - If the profile field has no value, the field matches irregardless of its contents.
+        /// - the profile field can be an exact match, or a reg exp.
+        /// </summary>
+        /// <param name="deviceInfo">The <see cref="DeviceIdentification"/> of the device.</param>
+        /// <param name="profileInfo">The <see cref="DeviceIdentification"/> of the profile.</param>
+        /// <returns><b>True</b> if they match.</returns>
+        public bool IsMatch(DeviceIdentification deviceInfo, DeviceIdentification profileInfo)
         {
-            if (!string.IsNullOrEmpty(profileInfo.DeviceDescription))
-            {
-                if (deviceInfo.DeviceDescription == null || !IsRegexMatch(deviceInfo.DeviceDescription, profileInfo.DeviceDescription))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.FriendlyName))
-            {
-                if (deviceInfo.FriendlyName == null || !IsRegexMatch(deviceInfo.FriendlyName, profileInfo.FriendlyName))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.Manufacturer))
-            {
-                if (deviceInfo.Manufacturer == null || !IsRegexMatch(deviceInfo.Manufacturer, profileInfo.Manufacturer))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.ManufacturerUrl))
-            {
-                if (deviceInfo.ManufacturerUrl == null || !IsRegexMatch(deviceInfo.ManufacturerUrl, profileInfo.ManufacturerUrl))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.ModelDescription))
-            {
-                if (deviceInfo.ModelDescription == null || !IsRegexMatch(deviceInfo.ModelDescription, profileInfo.ModelDescription))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.ModelName))
-            {
-                if (deviceInfo.ModelName == null || !IsRegexMatch(deviceInfo.ModelName, profileInfo.ModelName))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.ModelNumber))
-            {
-                if (deviceInfo.ModelNumber == null || !IsRegexMatch(deviceInfo.ModelNumber, profileInfo.ModelNumber))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.ModelUrl))
-            {
-                if (deviceInfo.ModelUrl == null || !IsRegexMatch(deviceInfo.ModelUrl, profileInfo.ModelUrl))
-                {
-                    return false;
-                }
-            }
-
-            if (!string.IsNullOrEmpty(profileInfo.SerialNumber))
-            {
-                if (deviceInfo.SerialNumber == null || !IsRegexMatch(deviceInfo.SerialNumber, profileInfo.SerialNumber))
-                {
-                    return false;
-                }
-            }
-
-            return true;
+            return IsRegexOrSubstringMatch(deviceInfo.FriendlyName, profileInfo.FriendlyName)
+                && IsRegexOrSubstringMatch(deviceInfo.Manufacturer, profileInfo.Manufacturer)
+                && IsRegexOrSubstringMatch(deviceInfo.ManufacturerUrl, profileInfo.ManufacturerUrl)
+                && IsRegexOrSubstringMatch(deviceInfo.ModelDescription, profileInfo.ModelDescription)
+                && IsRegexOrSubstringMatch(deviceInfo.ModelName, profileInfo.ModelName)
+                && IsRegexOrSubstringMatch(deviceInfo.ModelNumber, profileInfo.ModelNumber)
+                && IsRegexOrSubstringMatch(deviceInfo.ModelUrl, profileInfo.ModelUrl)
+                && IsRegexOrSubstringMatch(deviceInfo.SerialNumber, profileInfo.SerialNumber);
         }
 
-        private bool IsRegexMatch(string input, string pattern)
+        private bool IsRegexOrSubstringMatch(string input, string pattern)
         {
+            if (string.IsNullOrEmpty(pattern))
+            {
+                // In profile identification: An empty pattern matches anything.
+                return true;
+            }
+
+            if (string.IsNullOrEmpty(input))
+            {
+                // The profile contains a value, and the device doesn't.
+                return false;
+            }
+
             try
             {
-                return Regex.IsMatch(input, pattern);
+                return input.Equals(pattern, StringComparison.OrdinalIgnoreCase)
+                    || Regex.IsMatch(input, pattern, RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
             }
             catch (ArgumentException ex)
             {
@@ -240,7 +200,7 @@ namespace Emby.Dlna
             }
             else
             {
-                var headerString = string.Join(", ", headers.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray());
+                var headerString = string.Join(", ", headers.Select(i => string.Format(CultureInfo.InvariantCulture, "{0}={1}", i.Key, i.Value)));
                 _logger.LogDebug("No matching device profile found. {0}", headerString);
             }
 
@@ -280,10 +240,6 @@ namespace Emby.Dlna
             return false;
         }
 
-        private string UserProfilesPath => Path.Combine(_appPaths.ConfigurationDirectoryPath, "dlna", "user");
-
-        private string SystemProfilesPath => Path.Combine(_appPaths.ConfigurationDirectoryPath, "dlna", "system");
-
         private IEnumerable<DeviceProfile> GetProfiles(string path, DeviceProfileType type)
         {
             try
@@ -342,7 +298,12 @@ namespace Emby.Dlna
                 throw new ArgumentNullException(nameof(id));
             }
 
-            var info = GetProfileInfosInternal().First(i => string.Equals(i.Info.Id, id, StringComparison.OrdinalIgnoreCase));
+            var info = GetProfileInfosInternal().FirstOrDefault(i => string.Equals(i.Info.Id, id, StringComparison.OrdinalIgnoreCase));
+
+            if (info == null)
+            {
+                return null;
+            }
 
             return ParseProfileFile(info.Path, info.Info.Type);
         }
@@ -387,14 +348,14 @@ namespace Emby.Dlna
 
             foreach (var name in _assembly.GetManifestResourceNames())
             {
-                if (!name.StartsWith(namespaceName))
+                if (!name.StartsWith(namespaceName, StringComparison.Ordinal))
                 {
                     continue;
                 }
 
-                var filename = Path.GetFileName(name).Substring(namespaceName.Length);
-
-                var path = Path.Combine(systemProfilesPath, filename);
+                var path = Path.Join(
+                    systemProfilesPath,
+                    Path.GetFileName(name.AsSpan()).Slice(namespaceName.Length));
 
                 using (var stream = _assembly.GetManifestResourceStream(name))
                 {
@@ -404,9 +365,10 @@ namespace Emby.Dlna
                     {
                         Directory.CreateDirectory(systemProfilesPath);
 
-                        using (var fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read))
+                        // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+                        using (var fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None))
                         {
-                            await stream.CopyToAsync(fileStream);
+                            await stream.CopyToAsync(fileStream).ConfigureAwait(false);
                         }
                     }
                 }
@@ -493,10 +455,10 @@ namespace Emby.Dlna
 
         /// <summary>
         /// Recreates the object using serialization, to ensure it's not a subclass.
-        /// If it's a subclass it may not serlialize properly to xml (different root element tag name).
+        /// If it's a subclass it may not serialize properly to xml (different root element tag name).
         /// </summary>
-        /// <param name="profile"></param>
-        /// <returns></returns>
+        /// <param name="profile">The device profile.</param>
+        /// <returns>The re-serialized device profile.</returns>
         private DeviceProfile ReserializeProfile(DeviceProfile profile)
         {
             if (profile.GetType() == typeof(DeviceProfile))
@@ -509,17 +471,9 @@ namespace Emby.Dlna
             return _jsonSerializer.DeserializeFromString<DeviceProfile>(json);
         }
 
-        class InternalProfileInfo
-        {
-            internal DeviceProfileInfo Info { get; set; }
-
-            internal string Path { get; set; }
-        }
-
         public string GetServerDescriptionXml(IHeaderDictionary headers, string serverUuId, string serverAddress)
         {
-            var profile = GetProfile(headers) ??
-                          GetDefaultProfile();
+            var profile = GetDefaultProfile();
 
             var serverId = _appHost.SystemId;
 
@@ -540,7 +494,15 @@ namespace Emby.Dlna
                 Stream = _assembly.GetManifestResourceStream(resource)
             };
         }
+
+        private class InternalProfileInfo
+        {
+            internal DeviceProfileInfo Info { get; set; }
+
+            internal string Path { get; set; }
+        }
     }
+
     /*
     class DlnaProfileEntryPoint : IServerEntryPoint
     {

Emby.Dlna/Emby.Dlna.csproj

@@ -17,10 +17,10 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <TreatWarningsAsErrors Condition=" '$(Configuration)' == 'Release'" >true</TreatWarningsAsErrors>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <!-- Code Analyzers-->
@@ -80,6 +80,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.6" />
   </ItemGroup>
 
 </Project>

Emby.Dlna/EventSubscriptionResponse.cs

@@ -15,6 +15,6 @@ namespace Emby.Dlna
 
         public string ContentType { get; set; }
 
-        public Dictionary<string, string> Headers { get; set; }
+        public Dictionary<string, string> Headers { get; }
     }
 }

Emby.Dlna/Eventing/DlnaEventManager.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Net.Http;
+using System.Net.Mime;
 using System.Text;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Extensions;
@@ -14,17 +15,19 @@ using Microsoft.Extensions.Logging;
 
 namespace Emby.Dlna.Eventing
 {
-    public class EventManager : IEventManager
+    public class DlnaEventManager : IDlnaEventManager
     {
         private readonly ConcurrentDictionary<string, EventSubscription> _subscriptions =
             new ConcurrentDictionary<string, EventSubscription>(StringComparer.OrdinalIgnoreCase);
 
         private readonly ILogger _logger;
-        private readonly IHttpClient _httpClient;
+        private readonly IHttpClientFactory _httpClientFactory;
 
-        public EventManager(ILogger logger, IHttpClient httpClient)
+        private readonly CultureInfo _usCulture = new CultureInfo("en-US");
+
+        public DlnaEventManager(ILogger logger, IHttpClientFactory httpClientFactory)
         {
-            _httpClient = httpClient;
+            _httpClientFactory = httpClientFactory;
             _logger = logger;
         }
 
@@ -58,7 +61,8 @@ namespace Emby.Dlna.Eventing
             var timeout = ParseTimeout(requestedTimeoutString) ?? 300;
             var id = "uuid:" + Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
-            _logger.LogDebug("Creating event subscription for {0} with timeout of {1} to {2}",
+            _logger.LogDebug(
+                "Creating event subscription for {0} with timeout of {1} to {2}",
                 notificationType,
                 timeout,
                 callbackUrl);
@@ -68,7 +72,8 @@ namespace Emby.Dlna.Eventing
                 Id = id,
                 CallbackUrl = callbackUrl,
                 SubscriptionTime = DateTime.UtcNow,
-                TimeoutSeconds = timeout
+                TimeoutSeconds = timeout,
+                NotificationType = notificationType
             });
 
             return GetEventSubscriptionResponse(id, requestedTimeoutString, timeout);
@@ -79,7 +84,7 @@ namespace Emby.Dlna.Eventing
             if (!string.IsNullOrEmpty(header))
             {
                 // Starts with SECOND-
-                header = header.Split('-').Last();
+                header = header.Split('-')[^1];
 
                 if (int.TryParse(header, NumberStyles.Integer, _usCulture, out var val))
                 {
@@ -94,7 +99,7 @@ namespace Emby.Dlna.Eventing
         {
             _logger.LogDebug("Cancelling event subscription {0}", subscriptionId);
 
-            _subscriptions.TryRemove(subscriptionId, out EventSubscription sub);
+            _subscriptions.TryRemove(subscriptionId, out _);
 
             return new EventSubscriptionResponse
             {
@@ -103,7 +108,6 @@ namespace Emby.Dlna.Eventing
             };
         }
 
-        private readonly CultureInfo _usCulture = new CultureInfo("en-US");
         private EventSubscriptionResponse GetEventSubscriptionResponse(string subscriptionId, string requestedTimeoutString, int timeoutSeconds)
         {
             var response = new EventSubscriptionResponse
@@ -152,33 +156,30 @@ namespace Emby.Dlna.Eventing
             builder.Append("<e:propertyset xmlns:e=\"urn:schemas-upnp-org:event-1-0\">");
             foreach (var key in stateVariables.Keys)
             {
-                builder.Append("<e:property>");
-                builder.Append("<" + key + ">");
-                builder.Append(stateVariables[key]);
-                builder.Append("</" + key + ">");
-                builder.Append("</e:property>");
+                builder.Append("<e:property>")
+                    .Append('<')
+                    .Append(key)
+                    .Append('>')
+                    .Append(stateVariables[key])
+                    .Append("</")
+                    .Append(key)
+                    .Append('>')
+                    .Append("</e:property>");
             }
 
             builder.Append("</e:propertyset>");
 
-            var options = new HttpRequestOptions
-            {
-                RequestContent = builder.ToString(),
-                RequestContentType = "text/xml",
-                Url = subscription.CallbackUrl,
-                BufferContent = false
-            };
-
-            options.RequestHeaders.Add("NT", subscription.NotificationType);
-            options.RequestHeaders.Add("NTS", "upnp:propchange");
-            options.RequestHeaders.Add("SID", subscription.Id);
-            options.RequestHeaders.Add("SEQ", subscription.TriggerCount.ToString(_usCulture));
+            using var options = new HttpRequestMessage(new HttpMethod("NOTIFY"), subscription.CallbackUrl);
+            options.Content = new StringContent(builder.ToString(), Encoding.UTF8, MediaTypeNames.Text.Xml);
+            options.Headers.TryAddWithoutValidation("NT", subscription.NotificationType);
+            options.Headers.TryAddWithoutValidation("NTS", "upnp:propchange");
+            options.Headers.TryAddWithoutValidation("SID", subscription.Id);
+            options.Headers.TryAddWithoutValidation("SEQ", subscription.TriggerCount.ToString(_usCulture));
 
             try
             {
-                using (await _httpClient.SendAsync(options, new HttpMethod("NOTIFY")).ConfigureAwait(false))
-                {
-                }
+                using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
+                    .SendAsync(options, HttpCompletionOption.ResponseHeadersRead).ConfigureAwait(false);
             }
             catch (OperationCanceledException)
             {

Emby.Dlna/IConnectionManager.cs

@@ -2,7 +2,7 @@
 
 namespace Emby.Dlna
 {
-    public interface IConnectionManager : IEventManager, IUpnpService
+    public interface IConnectionManager : IDlnaEventManager, IUpnpService
     {
     }
 }

Emby.Dlna/IContentDirectory.cs

@@ -2,7 +2,7 @@
 
 namespace Emby.Dlna
 {
-    public interface IContentDirectory : IEventManager, IUpnpService
+    public interface IContentDirectory : IDlnaEventManager, IUpnpService
     {
     }
 }

Emby.Dlna/IDlnaEventManager.cs

@@ -2,22 +2,32 @@
 
 namespace Emby.Dlna
 {
-    public interface IEventManager
+    public interface IDlnaEventManager
     {
         /// <summary>
         /// Cancels the event subscription.
         /// </summary>
         /// <param name="subscriptionId">The subscription identifier.</param>
+        /// <returns>The response.</returns>
         EventSubscriptionResponse CancelEventSubscription(string subscriptionId);
 
         /// <summary>
         /// Renews the event subscription.
         /// </summary>
+        /// <param name="subscriptionId">The subscription identifier.</param>
+        /// <param name="notificationType">The notification type.</param>
+        /// <param name="requestedTimeoutString">The requested timeout as a sting.</param>
+        /// <param name="callbackUrl">The callback url.</param>
+        /// <returns>The response.</returns>
         EventSubscriptionResponse RenewEventSubscription(string subscriptionId, string notificationType, string requestedTimeoutString, string callbackUrl);
 
         /// <summary>
         /// Creates the event subscription.
         /// </summary>
+        /// <param name="notificationType">The notification type.</param>
+        /// <param name="requestedTimeoutString">The requested timeout as a sting.</param>
+        /// <param name="callbackUrl">The callback url.</param>
+        /// <returns>The response.</returns>
         EventSubscriptionResponse CreateEventSubscription(string notificationType, string requestedTimeoutString, string callbackUrl);
     }
 }

Emby.Dlna/IMediaReceiverRegistrar.cs

@@ -2,7 +2,7 @@
 
 namespace Emby.Dlna
 {
-    public interface IMediaReceiverRegistrar : IEventManager, IUpnpService
+    public interface IMediaReceiverRegistrar : IDlnaEventManager, IUpnpService
     {
     }
 }

Emby.Dlna/Main/DlnaEntryPoint.cs

@@ -2,11 +2,15 @@
 
 using System;
 using System.Globalization;
+using System.Linq;
+using System.Net.Http;
 using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.Dlna.PlayTo;
 using Emby.Dlna.Ssdp;
+using Jellyfin.Networking.Configuration;
+using Jellyfin.Networking.Manager;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
@@ -30,13 +34,13 @@ using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Dlna.Main
 {
-    public class DlnaEntryPoint : IServerEntryPoint, IRunBeforeStartup
+    public sealed class DlnaEntryPoint : IServerEntryPoint, IRunBeforeStartup
     {
         private readonly IServerConfigurationManager _config;
         private readonly ILogger<DlnaEntryPoint> _logger;
         private readonly IServerApplicationHost _appHost;
         private readonly ISessionManager _sessionManager;
-        private readonly IHttpClient _httpClient;
+        private readonly IHttpClientFactory _httpClientFactory;
         private readonly ILibraryManager _libraryManager;
         private readonly IUserManager _userManager;
         private readonly IDlnaManager _dlnaManager;
@@ -49,25 +53,21 @@ namespace Emby.Dlna.Main
         private readonly ISocketFactory _socketFactory;
         private readonly INetworkManager _networkManager;
         private readonly object _syncLock = new object();
+        private readonly NetworkConfiguration _netConfig;
+        private readonly bool _disabled;
 
         private PlayToManager _manager;
         private SsdpDevicePublisher _publisher;
         private ISsdpCommunicationsServer _communicationsServer;
 
-        internal IContentDirectory ContentDirectory { get; private set; }
-
-        internal IConnectionManager ConnectionManager { get; private set; }
-
-        internal IMediaReceiverRegistrar MediaReceiverRegistrar { get; private set; }
-
-        public static DlnaEntryPoint Current;
+        private bool _disposed;
 
         public DlnaEntryPoint(
             IServerConfigurationManager config,
             ILoggerFactory loggerFactory,
             IServerApplicationHost appHost,
             ISessionManager sessionManager,
-            IHttpClient httpClient,
+            IHttpClientFactory httpClientFactory,
             ILibraryManager libraryManager,
             IUserManager userManager,
             IDlnaManager dlnaManager,
@@ -85,7 +85,7 @@ namespace Emby.Dlna.Main
             _config = config;
             _appHost = appHost;
             _sessionManager = sessionManager;
-            _httpClient = httpClient;
+            _httpClientFactory = httpClientFactory;
             _libraryManager = libraryManager;
             _userManager = userManager;
             _dlnaManager = dlnaManager;
@@ -99,60 +99,88 @@ namespace Emby.Dlna.Main
             _networkManager = networkManager;
             _logger = loggerFactory.CreateLogger<DlnaEntryPoint>();
 
-            ContentDirectory = new ContentDirectory.ContentDirectory(
+            ContentDirectory = new ContentDirectory.ContentDirectoryService(
                 dlnaManager,
                 userDataManager,
                 imageProcessor,
                 libraryManager,
                 config,
                 userManager,
-                loggerFactory.CreateLogger<ContentDirectory.ContentDirectory>(),
-                httpClient,
+                loggerFactory.CreateLogger<ContentDirectory.ContentDirectoryService>(),
+                httpClientFactory,
                 localizationManager,
                 mediaSourceManager,
                 userViewManager,
                 mediaEncoder,
                 tvSeriesManager);
 
-            ConnectionManager = new ConnectionManager.ConnectionManager(
+            ConnectionManager = new ConnectionManager.ConnectionManagerService(
                 dlnaManager,
                 config,
-                loggerFactory.CreateLogger<ConnectionManager.ConnectionManager>(),
-                httpClient);
+                loggerFactory.CreateLogger<ConnectionManager.ConnectionManagerService>(),
+                httpClientFactory);
 
-            MediaReceiverRegistrar = new MediaReceiverRegistrar.MediaReceiverRegistrar(
-                loggerFactory.CreateLogger<MediaReceiverRegistrar.MediaReceiverRegistrar>(),
-                httpClient,
+            MediaReceiverRegistrar = new MediaReceiverRegistrar.MediaReceiverRegistrarService(
+                loggerFactory.CreateLogger<MediaReceiverRegistrar.MediaReceiverRegistrarService>(),
+                httpClientFactory,
                 config);
             Current = this;
+
+            _netConfig = config.GetConfiguration<NetworkConfiguration>("network");
+            _disabled = appHost.ListenWithHttps && _netConfig.RequireHttps;
+
+            if (_disabled && _config.GetDlnaConfiguration().EnableServer)
+            {
+                _logger.LogError("The DLNA specification does not support HTTPS.");
+            }
         }
 
+        public static DlnaEntryPoint Current { get; private set; }
+
+        /// <summary>
+        /// Gets a value indicating whether the dlna server is enabled.
+        /// </summary>
+        public static bool Enabled { get; private set; }
+
+        public IContentDirectory ContentDirectory { get; private set; }
+
+        public IConnectionManager ConnectionManager { get; private set; }
+
+        public IMediaReceiverRegistrar MediaReceiverRegistrar { get; private set; }
+
         public async Task RunAsync()
         {
             await ((DlnaManager)_dlnaManager).InitProfilesAsync().ConfigureAwait(false);
 
-            await ReloadComponents().ConfigureAwait(false);
+            if (_disabled)
+            {
+                // No use starting as dlna won't work, as we're running purely on HTTPS.
+                return;
+            }
+
+            ReloadComponents();
 
             _config.NamedConfigurationUpdated += OnNamedConfigurationUpdated;
         }
 
-        private async void OnNamedConfigurationUpdated(object sender, ConfigurationUpdateEventArgs e)
+        private void OnNamedConfigurationUpdated(object sender, ConfigurationUpdateEventArgs e)
         {
             if (string.Equals(e.Key, "dlna", StringComparison.OrdinalIgnoreCase))
             {
-                await ReloadComponents().ConfigureAwait(false);
+                ReloadComponents();
             }
         }
 
-        private async Task ReloadComponents()
+        private void ReloadComponents()
         {
             var options = _config.GetDlnaConfiguration();
+            Enabled = options.EnableServer;
 
             StartSsdpHandler();
 
             if (options.EnableServer)
             {
-                await StartDevicePublisher(options).ConfigureAwait(false);
+                StartDevicePublisher(options);
             }
             else
             {
@@ -201,7 +229,10 @@ namespace Emby.Dlna.Main
         {
             try
             {
-                ((DeviceDiscovery)_deviceDiscovery).Start(communicationsServer);
+                if (communicationsServer != null)
+                {
+                    ((DeviceDiscovery)_deviceDiscovery).Start(communicationsServer);
+                }
             }
             catch (Exception ex)
             {
@@ -222,7 +253,7 @@ namespace Emby.Dlna.Main
             }
         }
 
-        public async Task StartDevicePublisher(Configuration.DlnaOptions options)
+        public void StartDevicePublisher(Configuration.DlnaOptions options)
         {
             if (!options.BlastAliveMessages)
             {
@@ -242,7 +273,7 @@ namespace Emby.Dlna.Main
                     SupportPnpRootDevice = false
                 };
 
-                await RegisterServerEndpoints().ConfigureAwait(false);
+                RegisterServerEndpoints();
 
                 _publisher.StartBroadcastingAliveMessages(TimeSpan.FromSeconds(options.BlastAliveMessageIntervalSeconds));
             }
@@ -252,13 +283,22 @@ namespace Emby.Dlna.Main
             }
         }
 
-        private async Task RegisterServerEndpoints()
+        private void RegisterServerEndpoints()
         {
-            var addresses = await _appHost.GetLocalIpAddresses(CancellationToken.None).ConfigureAwait(false);
-
             var udn = CreateUuid(_appHost.SystemId);
+            var descriptorUri = "/dlna/" + udn + "/description.xml";
 
-            foreach (var address in addresses)
+            var bindAddresses = NetworkManager.CreateCollection(
+                _networkManager.GetInternalBindAddresses()
+                .Where(i => i.AddressFamily == AddressFamily.InterNetwork || (i.AddressFamily == AddressFamily.InterNetworkV6 && i.Address.ScopeId != 0)));
+
+            if (bindAddresses.Count == 0)
+            {
+                // No interfaces returned, so use loopback.
+                bindAddresses = _networkManager.GetLoopbacks();
+            }
+
+            foreach (IPNetAddress address in bindAddresses)
             {
                 if (address.AddressFamily == AddressFamily.InterNetworkV6)
                 {
@@ -267,7 +307,7 @@ namespace Emby.Dlna.Main
                 }
 
                 // Limit to LAN addresses only
-                if (!_networkManager.IsAddressInSubnets(address, true, true))
+                if (!_networkManager.IsInLocalNetwork(address))
                 {
                     continue;
                 }
@@ -276,15 +316,20 @@ namespace Emby.Dlna.Main
 
                 _logger.LogInformation("Registering publisher for {0} on {1}", fullService, address);
 
-                var descriptorUri = "/dlna/" + udn + "/description.xml";
-                var uri = new Uri(_appHost.GetLocalApiUrl(address) + descriptorUri);
+                var uri = new UriBuilder(_appHost.GetSmartApiUrl(address.Address) + descriptorUri);
+                if (!string.IsNullOrEmpty(_appHost.PublishedServerUrl))
+                {
+                    // DLNA will only work over http, so we must reset to http:// : {port}.
+                    uri.Scheme = "http";
+                    uri.Port = _netConfig.HttpServerPortNumber;
+                }
 
                 var device = new SsdpRootDevice
                 {
                     CacheLifetime = TimeSpan.FromSeconds(1800), // How long SSDP clients can cache this info.
-                    Location = uri, // Must point to the URL that serves your devices UPnP description document.
-                    Address = address,
-                    SubnetMask = _networkManager.GetLocalIpSubnetMask(address),
+                    Location = uri.Uri, // Must point to the URL that serves your devices UPnP description document.
+                    Address = address.Address,
+                    PrefixLength = address.PrefixLength,
                     FriendlyName = "Jellyfin",
                     Manufacturer = "Jellyfin",
                     ModelName = "Jellyfin Server",
@@ -362,7 +407,7 @@ namespace Emby.Dlna.Main
                         _appHost,
                         _imageProcessor,
                         _deviceDiscovery,
-                        _httpClient,
+                        _httpClientFactory,
                         _config,
                         _userDataManager,
                         _localization,
@@ -399,8 +444,24 @@ namespace Emby.Dlna.Main
             }
         }
 
+        public void DisposeDevicePublisher()
+        {
+            if (_publisher != null)
+            {
+                _logger.LogInformation("Disposing SsdpDevicePublisher");
+                _publisher.Dispose();
+                _publisher = null;
+            }
+        }
+
+        /// <inheritdoc />
         public void Dispose()
         {
+            if (_disposed)
+            {
+                return;
+            }
+
             DisposeDevicePublisher();
             DisposePlayToManager();
             DisposeDeviceDiscovery();
@@ -416,16 +477,8 @@ namespace Emby.Dlna.Main
             ConnectionManager = null;
             MediaReceiverRegistrar = null;
             Current = null;
-        }
 
-        public void DisposeDevicePublisher()
-        {
-            if (_publisher != null)
-            {
-                _logger.LogInformation("Disposing SsdpDevicePublisher");
-                _publisher.Dispose();
-                _publisher = null;
-            }
+            _disposed = true;
         }
     }
 }

Emby.Dlna/MediaReceiverRegistrar/ControlHandler.cs

@@ -1,5 +1,3 @@
-#pragma warning disable CS1591
-
 using System;
 using System.Collections.Generic;
 using System.Xml;
@@ -10,8 +8,16 @@ using Microsoft.Extensions.Logging;
 
 namespace Emby.Dlna.MediaReceiverRegistrar
 {
+    /// <summary>
+    /// Defines the <see cref="ControlHandler" />.
+    /// </summary>
     public class ControlHandler : BaseControlHandler
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ControlHandler"/> class.
+        /// </summary>
+        /// <param name="config">The <see cref="IServerConfigurationManager"/> for use with the <see cref="ControlHandler"/> instance.</param>
+        /// <param name="logger">The <see cref="ILogger"/> for use with the <see cref="ControlHandler"/> instance.</param>
         public ControlHandler(IServerConfigurationManager config, ILogger logger)
             : base(config, logger)
         {
@@ -35,9 +41,17 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             throw new ResourceNotFoundException("Unexpected control request name: " + methodName);
         }
 
+        /// <summary>
+        /// Records that the handle is authorized in the xml stream.
+        /// </summary>
+        /// <param name="xmlWriter">The <see cref="XmlWriter"/>.</param>
         private static void HandleIsAuthorized(XmlWriter xmlWriter)
             => xmlWriter.WriteElementString("Result", "1");
 
+        /// <summary>
+        /// Records that the handle is validated in the xml stream.
+        /// </summary>
+        /// <param name="xmlWriter">The <see cref="XmlWriter"/>.</param>
         private static void HandleIsValidated(XmlWriter xmlWriter)
             => xmlWriter.WriteElementString("Result", "1");
     }

Emby.Dlna/MediaReceiverRegistrar/MediaReceiverRegistrar.cs

@@ -1,39 +0,0 @@
-#pragma warning disable CS1591
-
-using System.Threading.Tasks;
-using Emby.Dlna.Service;
-using MediaBrowser.Common.Net;
-using MediaBrowser.Controller.Configuration;
-using Microsoft.Extensions.Logging;
-
-namespace Emby.Dlna.MediaReceiverRegistrar
-{
-    public class MediaReceiverRegistrar : BaseService, IMediaReceiverRegistrar
-    {
-        private readonly IServerConfigurationManager _config;
-
-        public MediaReceiverRegistrar(
-            ILogger<MediaReceiverRegistrar> logger,
-            IHttpClient httpClient,
-            IServerConfigurationManager config)
-            : base(logger, httpClient)
-        {
-            _config = config;
-        }
-
-        /// <inheritdoc />
-        public string GetServiceXml()
-        {
-            return new MediaReceiverRegistrarXmlBuilder().GetXml();
-        }
-
-        /// <inheritdoc />
-        public Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
-        {
-            return new ControlHandler(
-                _config,
-                Logger)
-                .ProcessControlRequestAsync(request);
-        }
-    }
-}

Emby.Dlna/MediaReceiverRegistrar/MediaReceiverRegistrarService.cs

@@ -0,0 +1,46 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using Emby.Dlna.Service;
+using MediaBrowser.Controller.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Dlna.MediaReceiverRegistrar
+{
+    /// <summary>
+    /// Defines the <see cref="MediaReceiverRegistrarService" />.
+    /// </summary>
+    public class MediaReceiverRegistrarService : BaseService, IMediaReceiverRegistrar
+    {
+        private readonly IServerConfigurationManager _config;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MediaReceiverRegistrarService"/> class.
+        /// </summary>
+        /// <param name="logger">The <see cref="ILogger{MediaReceiverRegistrarService}"/> for use with the <see cref="MediaReceiverRegistrarService"/> instance.</param>
+        /// <param name="httpClientFactory">The <see cref="IHttpClientFactory"/> for use with the <see cref="MediaReceiverRegistrarService"/> instance.</param>
+        /// <param name="config">The <see cref="IServerConfigurationManager"/> for use with the <see cref="MediaReceiverRegistrarService"/> instance.</param>
+        public MediaReceiverRegistrarService(
+            ILogger<MediaReceiverRegistrarService> logger,
+            IHttpClientFactory httpClientFactory,
+            IServerConfigurationManager config)
+            : base(logger, httpClientFactory)
+        {
+            _config = config;
+        }
+
+        /// <inheritdoc />
+        public string GetServiceXml()
+        {
+            return MediaReceiverRegistrarXmlBuilder.GetXml();
+        }
+
+        /// <inheritdoc />
+        public Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
+        {
+            return new ControlHandler(
+                _config,
+                Logger)
+                .ProcessControlRequestAsync(request);
+        }
+    }
+}

Emby.Dlna/MediaReceiverRegistrar/MediaReceiverRegistrarXmlBuilder.cs

@@ -1,78 +1,89 @@
-#pragma warning disable CS1591
-
 using System.Collections.Generic;
 using Emby.Dlna.Common;
 using Emby.Dlna.Service;
+using MediaBrowser.Model.Dlna;
 
 namespace Emby.Dlna.MediaReceiverRegistrar
 {
-    public class MediaReceiverRegistrarXmlBuilder
+    /// <summary>
+    /// Defines the <see cref="MediaReceiverRegistrarXmlBuilder" />.
+    /// See https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-drmnd/5d37515e-7a63-4709-8258-8fd4e0ed4482.
+    /// </summary>
+    public static class MediaReceiverRegistrarXmlBuilder
     {
-        public string GetXml()
+        /// <summary>
+        /// Retrieves an XML description of the X_MS_MediaReceiverRegistrar.
+        /// </summary>
+        /// <returns>An XML representation of this service.</returns>
+        public static string GetXml()
         {
-            return new ServiceXmlBuilder().GetXml(new ServiceActionListBuilder().GetActions(),
-                GetStateVariables());
+            return new ServiceXmlBuilder().GetXml(ServiceActionListBuilder.GetActions(), GetStateVariables());
         }
 
+        /// <summary>
+        /// The a list of all the state variables for this invocation.
+        /// </summary>
+        /// <returns>The <see cref="IEnumerable{StateVariable}"/>.</returns>
         private static IEnumerable<StateVariable> GetStateVariables()
         {
-            var list = new List<StateVariable>();
-
-            list.Add(new StateVariable
+            var list = new List<StateVariable>
             {
-                Name = "AuthorizationGrantedUpdateID",
-                DataType = "ui4",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "AuthorizationGrantedUpdateID",
+                    DataType = "ui4",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_DeviceID",
-                DataType = "string",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_DeviceID",
+                    DataType = "string",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "AuthorizationDeniedUpdateID",
-                DataType = "ui4",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "AuthorizationDeniedUpdateID",
+                    DataType = "ui4",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "ValidationSucceededUpdateID",
-                DataType = "ui4",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "ValidationSucceededUpdateID",
+                    DataType = "ui4",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_RegistrationRespMsg",
-                DataType = "bin.base64",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_RegistrationRespMsg",
+                    DataType = "bin.base64",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_RegistrationReqMsg",
-                DataType = "bin.base64",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_RegistrationReqMsg",
+                    DataType = "bin.base64",
+                    SendsEvents = false
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "ValidationRevokedUpdateID",
-                DataType = "ui4",
-                SendsEvents = true
-            });
+                new StateVariable
+                {
+                    Name = "ValidationRevokedUpdateID",
+                    DataType = "ui4",
+                    SendsEvents = true
+                },
 
-            list.Add(new StateVariable
-            {
-                Name = "A_ARG_TYPE_Result",
-                DataType = "int",
-                SendsEvents = false
-            });
+                new StateVariable
+                {
+                    Name = "A_ARG_TYPE_Result",
+                    DataType = "int",
+                    SendsEvents = false
+                }
+            };
 
             return list;
         }

Emby.Dlna/MediaReceiverRegistrar/ServiceActionListBuilder.cs

@@ -1,13 +1,18 @@
-#pragma warning disable CS1591
-
 using System.Collections.Generic;
 using Emby.Dlna.Common;
 
 namespace Emby.Dlna.MediaReceiverRegistrar
 {
-    public class ServiceActionListBuilder
+    /// <summary>
+    /// Defines the <see cref="ServiceActionListBuilder" />.
+    /// </summary>
+    public static class ServiceActionListBuilder
     {
-        public IEnumerable<ServiceAction> GetActions()
+        /// <summary>
+        /// Returns a list of services that this instance provides.
+        /// </summary>
+        /// <returns>An <see cref="IEnumerable{ServiceAction}"/>.</returns>
+        public static IEnumerable<ServiceAction> GetActions()
         {
             return new[]
             {
@@ -21,6 +26,10 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             };
         }
 
+        /// <summary>
+        /// Returns the action details for "IsValidated".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetIsValidated()
         {
             var action = new ServiceAction
@@ -43,6 +52,10 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "IsAuthorized".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetIsAuthorized()
         {
             var action = new ServiceAction
@@ -65,6 +78,10 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "RegisterDevice".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetRegisterDevice()
         {
             var action = new ServiceAction
@@ -87,6 +104,10 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
+        /// <summary>
+        /// Returns the action details for "GetValidationSucceededUpdateID".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
         private static ServiceAction GetGetValidationSucceededUpdateID()
         {
             var action = new ServiceAction
@@ -103,7 +124,11 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
-        private ServiceAction GetGetAuthorizationDeniedUpdateID()
+        /// <summary>
+        /// Returns the action details for "GetGetAuthorizationDeniedUpdateID".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetGetAuthorizationDeniedUpdateID()
         {
             var action = new ServiceAction
             {
@@ -119,7 +144,11 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
-        private ServiceAction GetGetValidationRevokedUpdateID()
+        /// <summary>
+        /// Returns the action details for "GetValidationRevokedUpdateID".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetGetValidationRevokedUpdateID()
         {
             var action = new ServiceAction
             {
@@ -135,7 +164,11 @@ namespace Emby.Dlna.MediaReceiverRegistrar
             return action;
         }
 
-        private ServiceAction GetGetAuthorizationGrantedUpdateID()
+        /// <summary>
+        /// Returns the action details for "GetAuthorizationGrantedUpdateID".
+        /// </summary>
+        /// <returns>The <see cref="ServiceAction"/>.</returns>
+        private static ServiceAction GetGetAuthorizationGrantedUpdateID()
         {
             var action = new ServiceAction
             {

Emby.Dlna/PlayTo/Device.cs

@@ -4,30 +4,54 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
+using System.Net.Http;
+using System.Security;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Xml;
 using System.Xml.Linq;
 using Emby.Dlna.Common;
-using Emby.Dlna.Server;
 using Emby.Dlna.Ssdp;
-using MediaBrowser.Common.Net;
-using MediaBrowser.Controller.Configuration;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Dlna.PlayTo
 {
     public class Device : IDisposable
     {
+        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+
+        private readonly IHttpClientFactory _httpClientFactory;
+
+        private readonly ILogger _logger;
+
+        private readonly object _timerLock = new object();
         private Timer _timer;
+        private int _muteVol;
+        private int _volume;
+        private DateTime _lastVolumeRefresh;
+        private bool _volumeRefreshActive;
+        private int _connectFailureCount;
+        private bool _disposed;
+
+        public Device(DeviceInfo deviceProperties, IHttpClientFactory httpClientFactory, ILogger logger)
+        {
+            Properties = deviceProperties;
+            _httpClientFactory = httpClientFactory;
+            _logger = logger;
+        }
+
+        public event EventHandler<PlaybackStartEventArgs> PlaybackStart;
+
+        public event EventHandler<PlaybackProgressEventArgs> PlaybackProgress;
+
+        public event EventHandler<PlaybackStoppedEventArgs> PlaybackStopped;
+
+        public event EventHandler<MediaChangedEventArgs> MediaChanged;
 
         public DeviceInfo Properties { get; set; }
 
-        private int _muteVol;
         public bool IsMuted { get; set; }
 
-        private int _volume;
-
         public int Volume
         {
             get
@@ -43,29 +67,21 @@ namespace Emby.Dlna.PlayTo
 
         public TimeSpan Position { get; set; } = TimeSpan.FromSeconds(0);
 
-        public TRANSPORTSTATE TransportState { get; private set; }
+        public TransportState TransportState { get; private set; }
 
-        public bool IsPlaying => TransportState == TRANSPORTSTATE.PLAYING;
+        public bool IsPlaying => TransportState == TransportState.Playing;
 
-        public bool IsPaused => TransportState == TRANSPORTSTATE.PAUSED || TransportState == TRANSPORTSTATE.PAUSED_PLAYBACK;
+        public bool IsPaused => TransportState == TransportState.Paused || TransportState == TransportState.PausedPlayback;
 
-        public bool IsStopped => TransportState == TRANSPORTSTATE.STOPPED;
-
-        private readonly IHttpClient _httpClient;
-
-        private readonly ILogger _logger;
-
-        private readonly IServerConfigurationManager _config;
+        public bool IsStopped => TransportState == TransportState.Stopped;
 
         public Action OnDeviceUnavailable { get; set; }
 
-        public Device(DeviceInfo deviceProperties, IHttpClient httpClient, ILogger logger, IServerConfigurationManager config)
-        {
-            Properties = deviceProperties;
-            _httpClient = httpClient;
-            _logger = logger;
-            _config = config;
-        }
+        private TransportCommands AvCommands { get; set; }
+
+        private TransportCommands RendererCommands { get; set; }
+
+        public UBaseObject CurrentMediaInfo { get; private set; }
 
         public void Start()
         {
@@ -73,8 +89,6 @@ namespace Emby.Dlna.PlayTo
             _timer = new Timer(TimerCallback, null, 1000, Timeout.Infinite);
         }
 
-        private DateTime _lastVolumeRefresh;
-        private bool _volumeRefreshActive;
         private Task RefreshVolumeIfNeeded()
         {
             if (_volumeRefreshActive
@@ -105,7 +119,6 @@ namespace Emby.Dlna.PlayTo
             }
         }
 
-        private readonly object _timerLock = new object();
         private void RestartTimer(bool immediate = false)
         {
             lock (_timerLock)
@@ -206,7 +219,7 @@ namespace Emby.Dlna.PlayTo
         {
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = rendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetMute");
+            var command = rendererCommands?.ServiceActions.FirstOrDefault(c => c.Name == "SetMute");
             if (command == null)
             {
                 return false;
@@ -222,7 +235,7 @@ namespace Emby.Dlna.PlayTo
             _logger.LogDebug("Setting mute");
             var value = mute ? 1 : 0;
 
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
                 .ConfigureAwait(false);
 
             IsMuted = mute;
@@ -233,11 +246,14 @@ namespace Emby.Dlna.PlayTo
         /// <summary>
         /// Sets volume on a scale of 0-100.
         /// </summary>
+        /// <param name="value">The volume on a scale of 0-100.</param>
+        /// <param name="cancellationToken">The cancellation token to cancel operation.</param>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
         public async Task SetVolume(int value, CancellationToken cancellationToken)
         {
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = rendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetVolume");
+            var command = rendererCommands?.ServiceActions.FirstOrDefault(c => c.Name == "SetVolume");
             if (command == null)
             {
                 return;
@@ -254,7 +270,7 @@ namespace Emby.Dlna.PlayTo
             // Remote control will perform better
             Volume = value;
 
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
                 .ConfigureAwait(false);
         }
 
@@ -262,7 +278,7 @@ namespace Emby.Dlna.PlayTo
         {
             var avCommands = await GetAVProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "Seek");
+            var command = avCommands?.ServiceActions.FirstOrDefault(c => c.Name == "Seek");
             if (command == null)
             {
                 return;
@@ -275,7 +291,7 @@ namespace Emby.Dlna.PlayTo
                 throw new InvalidOperationException("Unable to find service");
             }
 
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, string.Format("{0:hh}:{0:mm}:{0:ss}", value), "REL_TIME"))
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, string.Format(CultureInfo.InvariantCulture, "{0:hh}:{0:mm}:{0:ss}", value), "REL_TIME"))
                 .ConfigureAwait(false);
 
             RestartTimer(true);
@@ -285,11 +301,11 @@ namespace Emby.Dlna.PlayTo
         {
             var avCommands = await GetAVProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            url = url.Replace("&", "&amp;");
+            url = url.Replace("&", "&amp;", StringComparison.Ordinal);
 
             _logger.LogDebug("{0} - SetAvTransport Uri: {1} DlnaHeaders: {2}", Properties.Name, url, header);
 
-            var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetAVTransportURI");
+            var command = avCommands?.ServiceActions.FirstOrDefault(c => c.Name == "SetAVTransportURI");
             if (command == null)
             {
                 return;
@@ -297,8 +313,8 @@ namespace Emby.Dlna.PlayTo
 
             var dictionary = new Dictionary<string, string>
             {
-                {"CurrentURI", url},
-                {"CurrentURIMetaData", CreateDidlMeta(metaData)}
+                { "CurrentURI", url },
+                { "CurrentURIMetaData", CreateDidlMeta(metaData) }
             };
 
             var service = GetAvTransportService();
@@ -309,7 +325,7 @@ namespace Emby.Dlna.PlayTo
             }
 
             var post = avCommands.BuildPost(command, service.ServiceType, url, dictionary);
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, post, header: header)
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, post, header: header)
                 .ConfigureAwait(false);
 
             await Task.Delay(50).ConfigureAwait(false);
@@ -327,14 +343,14 @@ namespace Emby.Dlna.PlayTo
             RestartTimer(true);
         }
 
-        private string CreateDidlMeta(string value)
+        private static string CreateDidlMeta(string value)
         {
             if (string.IsNullOrEmpty(value))
             {
                 return string.Empty;
             }
 
-            return DescriptionXmlBuilder.Escape(value);
+            return SecurityElement.Escape(value);
         }
 
         private Task SetPlay(TransportCommands avCommands, CancellationToken cancellationToken)
@@ -351,7 +367,7 @@ namespace Emby.Dlna.PlayTo
                 throw new InvalidOperationException("Unable to find service");
             }
 
-            return new SsdpHttpClient(_httpClient).SendCommandAsync(
+            return new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -362,6 +378,10 @@ namespace Emby.Dlna.PlayTo
         public async Task SetPlay(CancellationToken cancellationToken)
         {
             var avCommands = await GetAVProtocolAsync(cancellationToken).ConfigureAwait(false);
+            if (avCommands == null)
+            {
+                return;
+            }
 
             await SetPlay(avCommands, cancellationToken).ConfigureAwait(false);
 
@@ -372,7 +392,7 @@ namespace Emby.Dlna.PlayTo
         {
             var avCommands = await GetAVProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "Stop");
+            var command = avCommands?.ServiceActions.FirstOrDefault(c => c.Name == "Stop");
             if (command == null)
             {
                 return;
@@ -380,7 +400,7 @@ namespace Emby.Dlna.PlayTo
 
             var service = GetAvTransportService();
 
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
                 .ConfigureAwait(false);
 
             RestartTimer(true);
@@ -390,7 +410,7 @@ namespace Emby.Dlna.PlayTo
         {
             var avCommands = await GetAVProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "Pause");
+            var command = avCommands?.ServiceActions.FirstOrDefault(c => c.Name == "Pause");
             if (command == null)
             {
                 return;
@@ -398,16 +418,14 @@ namespace Emby.Dlna.PlayTo
 
             var service = GetAvTransportService();
 
-            await new SsdpHttpClient(_httpClient).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
+            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
                 .ConfigureAwait(false);
 
-            TransportState = TRANSPORTSTATE.PAUSED;
+            TransportState = TransportState.Paused;
 
             RestartTimer(true);
         }
 
-        private int _connectFailureCount;
-
         private async void TimerCallback(object sender)
         {
             if (_disposed)
@@ -436,7 +454,7 @@ namespace Emby.Dlna.PlayTo
                 if (transportState.HasValue)
                 {
                     // If we're not playing anything no need to get additional data
-                    if (transportState.Value == TRANSPORTSTATE.STOPPED)
+                    if (transportState.Value == TransportState.Stopped)
                     {
                         UpdateMediaInfo(null, transportState.Value);
                     }
@@ -464,8 +482,8 @@ namespace Emby.Dlna.PlayTo
                         return;
                     }
 
-                    // If we're not playing anything make sure we don't get data more often than neccessry to keep the Session alive
-                    if (transportState.Value == TRANSPORTSTATE.STOPPED)
+                    // If we're not playing anything make sure we don't get data more often than necessary to keep the Session alive
+                    if (transportState.Value == TransportState.Stopped)
                     {
                         RestartTimerInactive();
                     }
@@ -514,7 +532,7 @@ namespace Emby.Dlna.PlayTo
 
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = rendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetVolume");
+            var command = rendererCommands?.ServiceActions.FirstOrDefault(c => c.Name == "GetVolume");
             if (command == null)
             {
                 return;
@@ -527,7 +545,7 @@ namespace Emby.Dlna.PlayTo
                 return;
             }
 
-            var result = await new SsdpHttpClient(_httpClient).SendCommandAsync(
+            var result = await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -539,7 +557,7 @@ namespace Emby.Dlna.PlayTo
                 return;
             }
 
-            var volume = result.Document.Descendants(uPnpNamespaces.RenderingControl + "GetVolumeResponse").Select(i => i.Element("CurrentVolume")).FirstOrDefault(i => i != null);
+            var volume = result.Document.Descendants(UPnpNamespaces.RenderingControl + "GetVolumeResponse").Select(i => i.Element("CurrentVolume")).FirstOrDefault(i => i != null);
             var volumeValue = volume?.Value;
 
             if (string.IsNullOrWhiteSpace(volumeValue))
@@ -564,7 +582,7 @@ namespace Emby.Dlna.PlayTo
 
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var command = rendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetMute");
+            var command = rendererCommands?.ServiceActions.FirstOrDefault(c => c.Name == "GetMute");
             if (command == null)
             {
                 return;
@@ -577,7 +595,7 @@ namespace Emby.Dlna.PlayTo
                 return;
             }
 
-            var result = await new SsdpHttpClient(_httpClient).SendCommandAsync(
+            var result = await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -589,14 +607,14 @@ namespace Emby.Dlna.PlayTo
                 return;
             }
 
-            var valueNode = result.Document.Descendants(uPnpNamespaces.RenderingControl + "GetMuteResponse")
+            var valueNode = result.Document.Descendants(UPnpNamespaces.RenderingControl + "GetMuteResponse")
                                             .Select(i => i.Element("CurrentMute"))
                                             .FirstOrDefault(i => i != null);
 
             IsMuted = string.Equals(valueNode?.Value, "1", StringComparison.OrdinalIgnoreCase);
         }
 
-        private async Task<TRANSPORTSTATE?> GetTransportInfo(TransportCommands avCommands, CancellationToken cancellationToken)
+        private async Task<TransportState?> GetTransportInfo(TransportCommands avCommands, CancellationToken cancellationToken)
         {
             var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetTransportInfo");
             if (command == null)
@@ -610,7 +628,7 @@ namespace Emby.Dlna.PlayTo
                 return null;
             }
 
-            var result = await new SsdpHttpClient(_httpClient).SendCommandAsync(
+            var result = await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -623,12 +641,12 @@ namespace Emby.Dlna.PlayTo
             }
 
             var transportState =
-                result.Document.Descendants(uPnpNamespaces.AvTransport + "GetTransportInfoResponse").Select(i => i.Element("CurrentTransportState")).FirstOrDefault(i => i != null);
+                result.Document.Descendants(UPnpNamespaces.AvTransport + "GetTransportInfoResponse").Select(i => i.Element("CurrentTransportState")).FirstOrDefault(i => i != null);
 
             var transportStateValue = transportState?.Value;
 
             if (transportStateValue != null
-                && Enum.TryParse(transportStateValue, true, out TRANSPORTSTATE state))
+                && Enum.TryParse(transportStateValue, true, out TransportState state))
             {
                 return state;
             }
@@ -636,7 +654,7 @@ namespace Emby.Dlna.PlayTo
             return null;
         }
 
-        private async Task<uBaseObject> GetMediaInfo(TransportCommands avCommands, CancellationToken cancellationToken)
+        private async Task<UBaseObject> GetMediaInfo(TransportCommands avCommands, CancellationToken cancellationToken)
         {
             var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetMediaInfo");
             if (command == null)
@@ -651,8 +669,12 @@ namespace Emby.Dlna.PlayTo
             }
 
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
+            if (rendererCommands == null)
+            {
+                return null;
+            }
 
-            var result = await new SsdpHttpClient(_httpClient).SendCommandAsync(
+            var result = await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -671,7 +693,7 @@ namespace Emby.Dlna.PlayTo
                 return null;
             }
 
-            var e = track.Element(uPnpNamespaces.items) ?? track;
+            var e = track.Element(UPnpNamespaces.Items) ?? track;
 
             var elementString = (string)e;
 
@@ -687,13 +709,13 @@ namespace Emby.Dlna.PlayTo
                 return null;
             }
 
-            e = track.Element(uPnpNamespaces.items) ?? track;
+            e = track.Element(UPnpNamespaces.Items) ?? track;
 
             elementString = (string)e;
 
             if (!string.IsNullOrWhiteSpace(elementString))
             {
-                return new uBaseObject
+                return new UBaseObject
                 {
                     Url = elementString
                 };
@@ -702,7 +724,7 @@ namespace Emby.Dlna.PlayTo
             return null;
         }
 
-        private async Task<(bool, uBaseObject)> GetPositionInfo(TransportCommands avCommands, CancellationToken cancellationToken)
+        private async Task<(bool, UBaseObject)> GetPositionInfo(TransportCommands avCommands, CancellationToken cancellationToken)
         {
             var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetPositionInfo");
             if (command == null)
@@ -719,7 +741,12 @@ namespace Emby.Dlna.PlayTo
 
             var rendererCommands = await GetRenderingProtocolAsync(cancellationToken).ConfigureAwait(false);
 
-            var result = await new SsdpHttpClient(_httpClient).SendCommandAsync(
+            if (rendererCommands == null)
+            {
+                return (false, null);
+            }
+
+            var result = await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(
                 Properties.BaseUrl,
                 service,
                 command.Name,
@@ -731,11 +758,11 @@ namespace Emby.Dlna.PlayTo
                 return (false, null);
             }
 
-            var trackUriElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackURI")).FirstOrDefault(i => i != null);
-            var trackUri = trackUriElem == null ? null : trackUriElem.Value;
+            var trackUriElem = result.Document.Descendants(UPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackURI")).FirstOrDefault(i => i != null);
+            var trackUri = trackUriElem?.Value;
 
-            var durationElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackDuration")).FirstOrDefault(i => i != null);
-            var duration = durationElem == null ? null : durationElem.Value;
+            var durationElem = result.Document.Descendants(UPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackDuration")).FirstOrDefault(i => i != null);
+            var duration = durationElem?.Value;
 
             if (!string.IsNullOrWhiteSpace(duration)
                 && !string.Equals(duration, "NOT_IMPLEMENTED", StringComparison.OrdinalIgnoreCase))
@@ -747,8 +774,8 @@ namespace Emby.Dlna.PlayTo
                 Duration = null;
             }
 
-            var positionElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("RelTime")).FirstOrDefault(i => i != null);
-            var position = positionElem == null ? null : positionElem.Value;
+            var positionElem = result.Document.Descendants(UPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("RelTime")).FirstOrDefault(i => i != null);
+            var position = positionElem?.Value;
 
             if (!string.IsNullOrWhiteSpace(position) && !string.Equals(position, "NOT_IMPLEMENTED", StringComparison.OrdinalIgnoreCase))
             {
@@ -759,7 +786,7 @@ namespace Emby.Dlna.PlayTo
 
             if (track == null)
             {
-                // If track is null, some vendors do this, use GetMediaInfo instead
+                // If track is null, some vendors do this, use GetMediaInfo instead.
                 return (true, null);
             }
 
@@ -787,7 +814,7 @@ namespace Emby.Dlna.PlayTo
                 return (true, null);
             }
 
-            var e = uPnpResponse.Element(uPnpNamespaces.items);
+            var e = uPnpResponse.Element(UPnpNamespaces.Items);
 
             var uTrack = CreateUBaseObject(e, trackUri);
 
@@ -796,7 +823,7 @@ namespace Emby.Dlna.PlayTo
 
         private XElement ParseResponse(string xml)
         {
-            // Handle different variations sent back by devices
+            // Handle different variations sent back by devices.
             try
             {
                 return XElement.Parse(xml);
@@ -805,7 +832,7 @@ namespace Emby.Dlna.PlayTo
             {
             }
 
-            // first try to add a root node with a dlna namesapce
+            // first try to add a root node with a dlna namespace.
             try
             {
                 return XElement.Parse("<data xmlns:dlna=\"urn:schemas-dlna-org:device-1-0\">" + xml + "</data>")
@@ -819,7 +846,7 @@ namespace Emby.Dlna.PlayTo
             // some devices send back invalid xml
             try
             {
-                return XElement.Parse(xml.Replace("&", "&amp;"));
+                return XElement.Parse(xml.Replace("&", "&amp;", StringComparison.Ordinal));
             }
             catch (XmlException)
             {
@@ -828,27 +855,27 @@ namespace Emby.Dlna.PlayTo
             return null;
         }
 
-        private static uBaseObject CreateUBaseObject(XElement container, string trackUri)
+        private static UBaseObject CreateUBaseObject(XElement container, string trackUri)
         {
             if (container == null)
             {
                 throw new ArgumentNullException(nameof(container));
             }
 
-            var url = container.GetValue(uPnpNamespaces.Res);
+            var url = container.GetValue(UPnpNamespaces.Res);
 
             if (string.IsNullOrWhiteSpace(url))
             {
                 url = trackUri;
             }
 
-            return new uBaseObject
+            return new UBaseObject
             {
-                Id = container.GetAttributeValue(uPnpNamespaces.Id),
-                ParentId = container.GetAttributeValue(uPnpNamespaces.ParentId),
-                Title = container.GetValue(uPnpNamespaces.title),
-                IconUrl = container.GetValue(uPnpNamespaces.Artwork),
-                SecondText = "",
+                Id = container.GetAttributeValue(UPnpNamespaces.Id),
+                ParentId = container.GetAttributeValue(UPnpNamespaces.ParentId),
+                Title = container.GetValue(UPnpNamespaces.Title),
+                IconUrl = container.GetValue(UPnpNamespaces.Artwork),
+                SecondText = string.Empty,
                 Url = url,
                 ProtocolInfo = GetProtocolInfo(container),
                 MetaData = container.ToString()
@@ -862,11 +889,11 @@ namespace Emby.Dlna.PlayTo
                 throw new ArgumentNullException(nameof(container));
             }
 
-            var resElement = container.Element(uPnpNamespaces.Res);
+            var resElement = container.Element(UPnpNamespaces.Res);
 
             if (resElement != null)
             {
-                var info = resElement.Attribute(uPnpNamespaces.ProtocolInfo);
+                var info = resElement.Attribute(UPnpNamespaces.ProtocolInfo);
 
                 if (info != null && !string.IsNullOrWhiteSpace(info.Value))
                 {
@@ -897,9 +924,13 @@ namespace Emby.Dlna.PlayTo
 
             string url = NormalizeUrl(Properties.BaseUrl, avService.ScpdUrl);
 
-            var httpClient = new SsdpHttpClient(_httpClient);
+            var httpClient = new SsdpHttpClient(_httpClientFactory);
 
             var document = await httpClient.GetDataAsync(url, cancellationToken).ConfigureAwait(false);
+            if (document == null)
+            {
+                return null;
+            }
 
             AvCommands = TransportCommands.Create(document);
             return AvCommands;
@@ -925,9 +956,13 @@ namespace Emby.Dlna.PlayTo
 
             string url = NormalizeUrl(Properties.BaseUrl, avService.ScpdUrl);
 
-            var httpClient = new SsdpHttpClient(_httpClient);
+            var httpClient = new SsdpHttpClient(_httpClientFactory);
             _logger.LogDebug("Dlna Device.GetRenderingProtocolAsync");
             var document = await httpClient.GetDataAsync(url, cancellationToken).ConfigureAwait(false);
+            if (document == null)
+            {
+                return null;
+            }
 
             RendererCommands = TransportCommands.Create(document);
             return RendererCommands;
@@ -941,12 +976,12 @@ namespace Emby.Dlna.PlayTo
                 return url;
             }
 
-            if (!url.Contains("/"))
+            if (!url.Contains('/', StringComparison.Ordinal))
             {
                 url = "/dmr/" + url;
             }
 
-            if (!url.StartsWith("/"))
+            if (!url.StartsWith('/'))
             {
                 url = "/" + url;
             }
@@ -954,25 +989,25 @@ namespace Emby.Dlna.PlayTo
             return baseUrl + url;
         }
 
-        private TransportCommands AvCommands { get; set; }
-
-        private TransportCommands RendererCommands { get; set; }
-
-        public static async Task<Device> CreateuPnpDeviceAsync(Uri url, IHttpClient httpClient, IServerConfigurationManager config, ILogger logger, CancellationToken cancellationToken)
+        public static async Task<Device> CreateuPnpDeviceAsync(Uri url, IHttpClientFactory httpClientFactory, ILogger logger, CancellationToken cancellationToken)
         {
-            var ssdpHttpClient = new SsdpHttpClient(httpClient);
+            var ssdpHttpClient = new SsdpHttpClient(httpClientFactory);
 
             var document = await ssdpHttpClient.GetDataAsync(url.ToString(), cancellationToken).ConfigureAwait(false);
+            if (document == null)
+            {
+                return null;
+            }
 
             var friendlyNames = new List<string>();
 
-            var name = document.Descendants(uPnpNamespaces.ud.GetName("friendlyName")).FirstOrDefault();
+            var name = document.Descendants(UPnpNamespaces.Ud.GetName("friendlyName")).FirstOrDefault();
             if (name != null && !string.IsNullOrWhiteSpace(name.Value))
             {
                 friendlyNames.Add(name.Value);
             }
 
-            var room = document.Descendants(uPnpNamespaces.ud.GetName("roomName")).FirstOrDefault();
+            var room = document.Descendants(UPnpNamespaces.Ud.GetName("roomName")).FirstOrDefault();
             if (room != null && !string.IsNullOrWhiteSpace(room.Value))
             {
                 friendlyNames.Add(room.Value);
@@ -981,77 +1016,77 @@ namespace Emby.Dlna.PlayTo
             var deviceProperties = new DeviceInfo()
             {
                 Name = string.Join(" ", friendlyNames),
-                BaseUrl = string.Format("http://{0}:{1}", url.Host, url.Port)
+                BaseUrl = string.Format(CultureInfo.InvariantCulture, "http://{0}:{1}", url.Host, url.Port)
             };
 
-            var model = document.Descendants(uPnpNamespaces.ud.GetName("modelName")).FirstOrDefault();
+            var model = document.Descendants(UPnpNamespaces.Ud.GetName("modelName")).FirstOrDefault();
             if (model != null)
             {
                 deviceProperties.ModelName = model.Value;
             }
 
-            var modelNumber = document.Descendants(uPnpNamespaces.ud.GetName("modelNumber")).FirstOrDefault();
+            var modelNumber = document.Descendants(UPnpNamespaces.Ud.GetName("modelNumber")).FirstOrDefault();
             if (modelNumber != null)
             {
                 deviceProperties.ModelNumber = modelNumber.Value;
             }
 
-            var uuid = document.Descendants(uPnpNamespaces.ud.GetName("UDN")).FirstOrDefault();
+            var uuid = document.Descendants(UPnpNamespaces.Ud.GetName("UDN")).FirstOrDefault();
             if (uuid != null)
             {
                 deviceProperties.UUID = uuid.Value;
             }
 
-            var manufacturer = document.Descendants(uPnpNamespaces.ud.GetName("manufacturer")).FirstOrDefault();
+            var manufacturer = document.Descendants(UPnpNamespaces.Ud.GetName("manufacturer")).FirstOrDefault();
             if (manufacturer != null)
             {
                 deviceProperties.Manufacturer = manufacturer.Value;
             }
 
-            var manufacturerUrl = document.Descendants(uPnpNamespaces.ud.GetName("manufacturerURL")).FirstOrDefault();
+            var manufacturerUrl = document.Descendants(UPnpNamespaces.Ud.GetName("manufacturerURL")).FirstOrDefault();
             if (manufacturerUrl != null)
             {
                 deviceProperties.ManufacturerUrl = manufacturerUrl.Value;
             }
 
-            var presentationUrl = document.Descendants(uPnpNamespaces.ud.GetName("presentationURL")).FirstOrDefault();
+            var presentationUrl = document.Descendants(UPnpNamespaces.Ud.GetName("presentationURL")).FirstOrDefault();
             if (presentationUrl != null)
             {
                 deviceProperties.PresentationUrl = presentationUrl.Value;
             }
 
-            var modelUrl = document.Descendants(uPnpNamespaces.ud.GetName("modelURL")).FirstOrDefault();
+            var modelUrl = document.Descendants(UPnpNamespaces.Ud.GetName("modelURL")).FirstOrDefault();
             if (modelUrl != null)
             {
                 deviceProperties.ModelUrl = modelUrl.Value;
             }
 
-            var serialNumber = document.Descendants(uPnpNamespaces.ud.GetName("serialNumber")).FirstOrDefault();
+            var serialNumber = document.Descendants(UPnpNamespaces.Ud.GetName("serialNumber")).FirstOrDefault();
             if (serialNumber != null)
             {
                 deviceProperties.SerialNumber = serialNumber.Value;
             }
 
-            var modelDescription = document.Descendants(uPnpNamespaces.ud.GetName("modelDescription")).FirstOrDefault();
+            var modelDescription = document.Descendants(UPnpNamespaces.Ud.GetName("modelDescription")).FirstOrDefault();
             if (modelDescription != null)
             {
                 deviceProperties.ModelDescription = modelDescription.Value;
             }
 
-            var icon = document.Descendants(uPnpNamespaces.ud.GetName("icon")).FirstOrDefault();
+            var icon = document.Descendants(UPnpNamespaces.Ud.GetName("icon")).FirstOrDefault();
             if (icon != null)
             {
                 deviceProperties.Icon = CreateIcon(icon);
             }
 
-            foreach (var services in document.Descendants(uPnpNamespaces.ud.GetName("serviceList")))
+            foreach (var services in document.Descendants(UPnpNamespaces.Ud.GetName("serviceList")))
             {
                 if (services == null)
                 {
                     continue;
                 }
 
-                var servicesList = services.Descendants(uPnpNamespaces.ud.GetName("service"));
+                var servicesList = services.Descendants(UPnpNamespaces.Ud.GetName("service"));
                 if (servicesList == null)
                 {
                     continue;
@@ -1068,10 +1103,9 @@ namespace Emby.Dlna.PlayTo
                 }
             }
 
-            return new Device(deviceProperties, httpClient, logger, config);
+            return new Device(deviceProperties, httpClientFactory, logger);
         }
 
-        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
         private static DeviceIcon CreateIcon(XElement element)
         {
             if (element == null)
@@ -1079,11 +1113,11 @@ namespace Emby.Dlna.PlayTo
                 throw new ArgumentNullException(nameof(element));
             }
 
-            var mimeType = element.GetDescendantValue(uPnpNamespaces.ud.GetName("mimetype"));
-            var width = element.GetDescendantValue(uPnpNamespaces.ud.GetName("width"));
-            var height = element.GetDescendantValue(uPnpNamespaces.ud.GetName("height"));
-            var depth = element.GetDescendantValue(uPnpNamespaces.ud.GetName("depth"));
-            var url = element.GetDescendantValue(uPnpNamespaces.ud.GetName("url"));
+            var mimeType = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("mimetype"));
+            var width = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("width"));
+            var height = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("height"));
+            var depth = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("depth"));
+            var url = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("url"));
 
             var widthValue = int.Parse(width, NumberStyles.Integer, UsCulture);
             var heightValue = int.Parse(height, NumberStyles.Integer, UsCulture);
@@ -1100,11 +1134,11 @@ namespace Emby.Dlna.PlayTo
 
         private static DeviceService Create(XElement element)
         {
-            var type = element.GetDescendantValue(uPnpNamespaces.ud.GetName("serviceType"));
-            var id = element.GetDescendantValue(uPnpNamespaces.ud.GetName("serviceId"));
-            var scpdUrl = element.GetDescendantValue(uPnpNamespaces.ud.GetName("SCPDURL"));
-            var controlURL = element.GetDescendantValue(uPnpNamespaces.ud.GetName("controlURL"));
-            var eventSubURL = element.GetDescendantValue(uPnpNamespaces.ud.GetName("eventSubURL"));
+            var type = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("serviceType"));
+            var id = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("serviceId"));
+            var scpdUrl = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("SCPDURL"));
+            var controlURL = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("controlURL"));
+            var eventSubURL = element.GetDescendantValue(UPnpNamespaces.Ud.GetName("eventSubURL"));
 
             return new DeviceService
             {
@@ -1116,14 +1150,7 @@ namespace Emby.Dlna.PlayTo
             };
         }
 
-        public event EventHandler<PlaybackStartEventArgs> PlaybackStart;
-        public event EventHandler<PlaybackProgressEventArgs> PlaybackProgress;
-        public event EventHandler<PlaybackStoppedEventArgs> PlaybackStopped;
-        public event EventHandler<MediaChangedEventArgs> MediaChanged;
-
-        public uBaseObject CurrentMediaInfo { get; private set; }
-
-        private void UpdateMediaInfo(uBaseObject mediaInfo, TRANSPORTSTATE state)
+        private void UpdateMediaInfo(UBaseObject mediaInfo, TransportState state)
         {
             TransportState = state;
 
@@ -1132,7 +1159,7 @@ namespace Emby.Dlna.PlayTo
 
             if (previousMediaInfo == null && mediaInfo != null)
             {
-                if (state != TRANSPORTSTATE.STOPPED)
+                if (state != TransportState.Stopped)
                 {
                     OnPlaybackStart(mediaInfo);
                 }
@@ -1151,7 +1178,7 @@ namespace Emby.Dlna.PlayTo
             }
         }
 
-        private void OnPlaybackStart(uBaseObject mediaInfo)
+        private void OnPlaybackStart(UBaseObject mediaInfo)
         {
             if (string.IsNullOrWhiteSpace(mediaInfo.Url))
             {
@@ -1164,7 +1191,7 @@ namespace Emby.Dlna.PlayTo
             });
         }
 
-        private void OnPlaybackProgress(uBaseObject mediaInfo)
+        private void OnPlaybackProgress(UBaseObject mediaInfo)
         {
             if (string.IsNullOrWhiteSpace(mediaInfo.Url))
             {
@@ -1177,7 +1204,7 @@ namespace Emby.Dlna.PlayTo
             });
         }
 
-        private void OnPlaybackStop(uBaseObject mediaInfo)
+        private void OnPlaybackStop(UBaseObject mediaInfo)
         {
             PlaybackStopped?.Invoke(this, new PlaybackStoppedEventArgs
             {
@@ -1185,7 +1212,7 @@ namespace Emby.Dlna.PlayTo
             });
         }
 
-        private void OnMediaChanged(uBaseObject old, uBaseObject newMedia)
+        private void OnMediaChanged(UBaseObject old, UBaseObject newMedia)
         {
             MediaChanged?.Invoke(this, new MediaChangedEventArgs
             {
@@ -1194,14 +1221,17 @@ namespace Emby.Dlna.PlayTo
             });
         }
 
-        bool _disposed;
-
+        /// <inheritdoc />
         public void Dispose()
         {
             Dispose(true);
             GC.SuppressFinalize(this);
         }
 
+        /// <summary>
+        /// Releases unmanaged and optionally managed resources.
+        /// </summary>
+        /// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
         protected virtual void Dispose(bool disposing)
         {
             if (_disposed)
@@ -1220,9 +1250,10 @@ namespace Emby.Dlna.PlayTo
             _disposed = true;
         }
 
+        /// <inheritdoc />
         public override string ToString()
         {
-            return string.Format("{0} - {1}", Properties.Name, Properties.BaseUrl);
+            return string.Format(CultureInfo.InvariantCulture, "{0} - {1}", Properties.Name, Properties.BaseUrl);
         }
     }
 }

Emby.Dlna/PlayTo/DeviceInfo.cs

@@ -8,6 +8,9 @@ namespace Emby.Dlna.PlayTo
 {
     public class DeviceInfo
     {
+        private readonly List<DeviceService> _services = new List<DeviceService>();
+        private string _baseUrl = string.Empty;
+
         public DeviceInfo()
         {
             Name = "Generic Device";
@@ -33,7 +36,6 @@ namespace Emby.Dlna.PlayTo
 
         public string PresentationUrl { get; set; }
 
-        private string _baseUrl = string.Empty;
         public string BaseUrl
         {
             get => _baseUrl;
@@ -42,7 +44,6 @@ namespace Emby.Dlna.PlayTo
 
         public DeviceIcon Icon { get; set; }
 
-        private readonly List<DeviceService> _services = new List<DeviceService>();
         public List<DeviceService> Services => _services;
 
         public DeviceIdentification ToDeviceIdentification()

Emby.Dlna/PlayTo/MediaChangedEventArgs.cs

@@ -0,0 +1,13 @@
+#pragma warning disable CS1591
+
+using System;
+
+namespace Emby.Dlna.PlayTo
+{
+    public class MediaChangedEventArgs : EventArgs
+    {
+        public UBaseObject OldMediaInfo { get; set; }
+
+        public UBaseObject NewMediaInfo { get; set; }
+    }
+}

Emby.Dlna/PlayTo/PlayToController.cs

@@ -8,7 +8,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Dlna.Didl;
 using Jellyfin.Data.Entities;
-using MediaBrowser.Common.Configuration;
+using Jellyfin.Data.Events;
 using MediaBrowser.Controller.Dlna;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Entities;
@@ -18,7 +18,6 @@ using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.Session;
 using Microsoft.AspNetCore.WebUtilities;
@@ -31,7 +30,6 @@ namespace Emby.Dlna.PlayTo
     {
         private static readonly CultureInfo _usCulture = CultureInfo.ReadOnly(new CultureInfo("en-US"));
 
-        private Device _device;
         private readonly SessionInfo _session;
         private readonly ISessionManager _sessionManager;
         private readonly ILibraryManager _libraryManager;
@@ -42,7 +40,6 @@ namespace Emby.Dlna.PlayTo
         private readonly IUserDataManager _userDataManager;
         private readonly ILocalizationManager _localization;
         private readonly IMediaSourceManager _mediaSourceManager;
-        private readonly IConfigurationManager _config;
         private readonly IMediaEncoder _mediaEncoder;
 
         private readonly IDeviceDiscovery _deviceDiscovery;
@@ -50,6 +47,7 @@ namespace Emby.Dlna.PlayTo
         private readonly string _accessToken;
 
         private readonly List<PlaylistItem> _playlist = new List<PlaylistItem>();
+        private Device _device;
         private int _currentPlaylistIndex;
 
         private bool _disposed;
@@ -68,7 +66,6 @@ namespace Emby.Dlna.PlayTo
             IUserDataManager userDataManager,
             ILocalizationManager localization,
             IMediaSourceManager mediaSourceManager,
-            IConfigurationManager config,
             IMediaEncoder mediaEncoder)
         {
             _session = session;
@@ -84,7 +81,6 @@ namespace Emby.Dlna.PlayTo
             _userDataManager = userDataManager;
             _localization = localization;
             _mediaSourceManager = mediaSourceManager;
-            _config = config;
             _mediaEncoder = mediaEncoder;
         }
 
@@ -136,7 +132,7 @@ namespace Emby.Dlna.PlayTo
 
         private async void OnDeviceMediaChanged(object sender, MediaChangedEventArgs e)
         {
-            if (_disposed)
+            if (_disposed || string.IsNullOrEmpty(e.OldMediaInfo.Url))
             {
                 return;
             }
@@ -326,7 +322,7 @@ namespace Emby.Dlna.PlayTo
 
         public Task SendPlayCommand(PlayRequest command, CancellationToken cancellationToken)
         {
-            _logger.LogDebug("{0} - Received PlayRequest: {1}", this._session.DeviceName, command.PlayCommand);
+            _logger.LogDebug("{0} - Received PlayRequest: {1}", _session.DeviceName, command.PlayCommand);
 
             var user = command.ControllingUserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(command.ControllingUserId);
 
@@ -337,25 +333,26 @@ namespace Emby.Dlna.PlayTo
             }
 
             var startIndex = command.StartIndex ?? 0;
+            int len = items.Count - startIndex;
             if (startIndex > 0)
             {
-                items = items.Skip(startIndex).ToList();
+                items = items.GetRange(startIndex, len);
             }
 
-            var playlist = new List<PlaylistItem>();
-            var isFirst = true;
+            var playlist = new PlaylistItem[len];
 
-            foreach (var item in items)
+            // Not nullable enabled - so this is required.
+            playlist[0] = CreatePlaylistItem(
+                items[0],
+                user,
+                command.StartPositionTicks ?? 0,
+                command.MediaSourceId ?? string.Empty,
+                command.AudioStreamIndex,
+                command.SubtitleStreamIndex);
+
+            for (int i = 1; i < len; i++)
             {
-                if (isFirst && command.StartPositionTicks.HasValue)
-                {
-                    playlist.Add(CreatePlaylistItem(item, user, command.StartPositionTicks.Value, command.MediaSourceId, command.AudioStreamIndex, command.SubtitleStreamIndex));
-                    isFirst = false;
-                }
-                else
-                {
-                    playlist.Add(CreatePlaylistItem(item, user, 0, null, null, null));
-                }
+                playlist[i] = CreatePlaylistItem(items[i], user, 0, string.Empty, null, null);
             }
 
             _logger.LogDebug("{0} - Playlist created", _session.DeviceName);
@@ -372,8 +369,13 @@ namespace Emby.Dlna.PlayTo
 
             if (!command.ControllingUserId.Equals(Guid.Empty))
             {
-                _sessionManager.LogSessionActivity(_session.Client, _session.ApplicationVersion, _session.DeviceId,
-                       _session.DeviceName, _session.RemoteEndPoint, user);
+                _sessionManager.LogSessionActivity(
+                    _session.Client,
+                    _session.ApplicationVersion,
+                    _session.DeviceId,
+                    _session.DeviceName,
+                    _session.RemoteEndPoint,
+                    user);
             }
 
             return PlayItems(playlist, cancellationToken);
@@ -463,8 +465,8 @@ namespace Emby.Dlna.PlayTo
                 _dlnaManager.GetDefaultProfile();
 
             var mediaSources = item is IHasMediaSources
-                ? _mediaSourceManager.GetStaticMediaSources(item, true, user)
-                : new List<MediaSourceInfo>();
+                ? _mediaSourceManager.GetStaticMediaSources(item, true, user).ToArray()
+                : Array.Empty<MediaSourceInfo>();
 
             var playlistItem = GetPlaylistItem(item, mediaSources, profile, _session.DeviceId, mediaSourceId, audioStreamIndex, subtitleStreamIndex);
             playlistItem.StreamInfo.StartPositionTicks = startPostionTicks;
@@ -498,42 +500,44 @@ namespace Emby.Dlna.PlayTo
             if (streamInfo.MediaType == DlnaProfileType.Audio)
             {
                 return new ContentFeatureBuilder(profile)
-                    .BuildAudioHeader(streamInfo.Container,
-                    streamInfo.TargetAudioCodec.FirstOrDefault(),
-                    streamInfo.TargetAudioBitrate,
-                    streamInfo.TargetAudioSampleRate,
-                    streamInfo.TargetAudioChannels,
-                    streamInfo.TargetAudioBitDepth,
-                    streamInfo.IsDirectStream,
-                    streamInfo.RunTimeTicks ?? 0,
-                    streamInfo.TranscodeSeekInfo);
+                    .BuildAudioHeader(
+                        streamInfo.Container,
+                        streamInfo.TargetAudioCodec.FirstOrDefault(),
+                        streamInfo.TargetAudioBitrate,
+                        streamInfo.TargetAudioSampleRate,
+                        streamInfo.TargetAudioChannels,
+                        streamInfo.TargetAudioBitDepth,
+                        streamInfo.IsDirectStream,
+                        streamInfo.RunTimeTicks ?? 0,
+                        streamInfo.TranscodeSeekInfo);
             }
 
             if (streamInfo.MediaType == DlnaProfileType.Video)
             {
                 var list = new ContentFeatureBuilder(profile)
-                    .BuildVideoHeader(streamInfo.Container,
-                    streamInfo.TargetVideoCodec.FirstOrDefault(),
-                    streamInfo.TargetAudioCodec.FirstOrDefault(),
-                    streamInfo.TargetWidth,
-                    streamInfo.TargetHeight,
-                    streamInfo.TargetVideoBitDepth,
-                    streamInfo.TargetVideoBitrate,
-                    streamInfo.TargetTimestamp,
-                    streamInfo.IsDirectStream,
-                    streamInfo.RunTimeTicks ?? 0,
-                    streamInfo.TargetVideoProfile,
-                    streamInfo.TargetVideoLevel,
-                    streamInfo.TargetFramerate ?? 0,
-                    streamInfo.TargetPacketLength,
-                    streamInfo.TranscodeSeekInfo,
-                    streamInfo.IsTargetAnamorphic,
-                    streamInfo.IsTargetInterlaced,
-                    streamInfo.TargetRefFrames,
-                    streamInfo.TargetVideoStreamCount,
-                    streamInfo.TargetAudioStreamCount,
-                    streamInfo.TargetVideoCodecTag,
-                    streamInfo.IsTargetAVC);
+                    .BuildVideoHeader(
+                        streamInfo.Container,
+                        streamInfo.TargetVideoCodec.FirstOrDefault(),
+                        streamInfo.TargetAudioCodec.FirstOrDefault(),
+                        streamInfo.TargetWidth,
+                        streamInfo.TargetHeight,
+                        streamInfo.TargetVideoBitDepth,
+                        streamInfo.TargetVideoBitrate,
+                        streamInfo.TargetTimestamp,
+                        streamInfo.IsDirectStream,
+                        streamInfo.RunTimeTicks ?? 0,
+                        streamInfo.TargetVideoProfile,
+                        streamInfo.TargetVideoLevel,
+                        streamInfo.TargetFramerate ?? 0,
+                        streamInfo.TargetPacketLength,
+                        streamInfo.TranscodeSeekInfo,
+                        streamInfo.IsTargetAnamorphic,
+                        streamInfo.IsTargetInterlaced,
+                        streamInfo.TargetRefFrames,
+                        streamInfo.TargetVideoStreamCount,
+                        streamInfo.TargetAudioStreamCount,
+                        streamInfo.TargetVideoCodecTag,
+                        streamInfo.IsTargetAVC);
 
                 return list.Count == 0 ? null : list[0];
             }
@@ -541,7 +545,7 @@ namespace Emby.Dlna.PlayTo
             return null;
         }
 
-        private PlaylistItem GetPlaylistItem(BaseItem item, List<MediaSourceInfo> mediaSources, DeviceProfile profile, string deviceId, string mediaSourceId, int? audioStreamIndex, int? subtitleStreamIndex)
+        private PlaylistItem GetPlaylistItem(BaseItem item, MediaSourceInfo[] mediaSources, DeviceProfile profile, string deviceId, string mediaSourceId, int? audioStreamIndex, int? subtitleStreamIndex)
         {
             if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
             {
@@ -550,7 +554,7 @@ namespace Emby.Dlna.PlayTo
                     StreamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildVideoItem(new VideoOptions
                     {
                         ItemId = item.Id,
-                        MediaSources = mediaSources.ToArray(),
+                        MediaSources = mediaSources,
                         Profile = profile,
                         DeviceId = deviceId,
                         MaxBitrate = profile.MaxStreamingBitrate,
@@ -570,7 +574,7 @@ namespace Emby.Dlna.PlayTo
                     StreamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildAudioItem(new AudioOptions
                     {
                         ItemId = item.Id,
-                        MediaSources = mediaSources.ToArray(),
+                        MediaSources = mediaSources,
                         Profile = profile,
                         DeviceId = deviceId,
                         MaxBitrate = profile.MaxStreamingBitrate,
@@ -583,7 +587,7 @@ namespace Emby.Dlna.PlayTo
 
             if (string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase))
             {
-                return new PlaylistItemFactory().Create((Photo)item, profile);
+                return PlaylistItemFactory.Create((Photo)item, profile);
             }
 
             throw new ArgumentException("Unrecognized item type.");
@@ -633,6 +637,10 @@ namespace Emby.Dlna.PlayTo
             GC.SuppressFinalize(this);
         }
 
+        /// <summary>
+        /// Releases unmanaged and optionally managed resources.
+        /// </summary>
+        /// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
         protected virtual void Dispose(bool disposing)
         {
             if (_disposed)
@@ -658,69 +666,57 @@ namespace Emby.Dlna.PlayTo
 
         private Task SendGeneralCommand(GeneralCommand command, CancellationToken cancellationToken)
         {
-            if (Enum.TryParse(command.Name, true, out GeneralCommandType commandType))
+            switch (command.Name)
             {
-                switch (commandType)
-                {
-                    case GeneralCommandType.VolumeDown:
-                        return _device.VolumeDown(cancellationToken);
-                    case GeneralCommandType.VolumeUp:
-                        return _device.VolumeUp(cancellationToken);
-                    case GeneralCommandType.Mute:
-                        return _device.Mute(cancellationToken);
-                    case GeneralCommandType.Unmute:
-                        return _device.Unmute(cancellationToken);
-                    case GeneralCommandType.ToggleMute:
-                        return _device.ToggleMute(cancellationToken);
-                    case GeneralCommandType.SetAudioStreamIndex:
+                case GeneralCommandType.VolumeDown:
+                    return _device.VolumeDown(cancellationToken);
+                case GeneralCommandType.VolumeUp:
+                    return _device.VolumeUp(cancellationToken);
+                case GeneralCommandType.Mute:
+                    return _device.Mute(cancellationToken);
+                case GeneralCommandType.Unmute:
+                    return _device.Unmute(cancellationToken);
+                case GeneralCommandType.ToggleMute:
+                    return _device.ToggleMute(cancellationToken);
+                case GeneralCommandType.SetAudioStreamIndex:
+                    if (command.Arguments.TryGetValue("Index", out string index))
+                    {
+                        if (int.TryParse(index, NumberStyles.Integer, _usCulture, out var val))
                         {
-                            if (command.Arguments.TryGetValue("Index", out string arg))
-                            {
-                                if (int.TryParse(arg, NumberStyles.Integer, _usCulture, out var val))
-                                {
-                                    return SetAudioStreamIndex(val);
-                                }
-
-                                throw new ArgumentException("Unsupported SetAudioStreamIndex value supplied.");
-                            }
-
-                            throw new ArgumentException("SetAudioStreamIndex argument cannot be null");
-                        }
-                    case GeneralCommandType.SetSubtitleStreamIndex:
-                        {
-                            if (command.Arguments.TryGetValue("Index", out string arg))
-                            {
-                                if (int.TryParse(arg, NumberStyles.Integer, _usCulture, out var val))
-                                {
-                                    return SetSubtitleStreamIndex(val);
-                                }
-
-                                throw new ArgumentException("Unsupported SetSubtitleStreamIndex value supplied.");
-                            }
-
-                            throw new ArgumentException("SetSubtitleStreamIndex argument cannot be null");
-                        }
-                    case GeneralCommandType.SetVolume:
-                        {
-                            if (command.Arguments.TryGetValue("Volume", out string arg))
-                            {
-                                if (int.TryParse(arg, NumberStyles.Integer, _usCulture, out var volume))
-                                {
-                                    return _device.SetVolume(volume, cancellationToken);
-                                }
-
-                                throw new ArgumentException("Unsupported volume value supplied.");
-                            }
-
-                            throw new ArgumentException("Volume argument cannot be null");
+                            return SetAudioStreamIndex(val);
                         }
 
-                    default:
-                        return Task.CompletedTask;
-                }
+                        throw new ArgumentException("Unsupported SetAudioStreamIndex value supplied.");
+                    }
+
+                    throw new ArgumentException("SetAudioStreamIndex argument cannot be null");
+                case GeneralCommandType.SetSubtitleStreamIndex:
+                    if (command.Arguments.TryGetValue("Index", out index))
+                    {
+                        if (int.TryParse(index, NumberStyles.Integer, _usCulture, out var val))
+                        {
+                            return SetSubtitleStreamIndex(val);
+                        }
+
+                        throw new ArgumentException("Unsupported SetSubtitleStreamIndex value supplied.");
+                    }
+
+                    throw new ArgumentException("SetSubtitleStreamIndex argument cannot be null");
+                case GeneralCommandType.SetVolume:
+                    if (command.Arguments.TryGetValue("Volume", out string vol))
+                    {
+                        if (int.TryParse(vol, NumberStyles.Integer, _usCulture, out var volume))
+                        {
+                            return _device.SetVolume(volume, cancellationToken);
+                        }
+
+                        throw new ArgumentException("Unsupported volume value supplied.");
+                    }
+
+                    throw new ArgumentException("Volume argument cannot be null");
+                default:
+                    return Task.CompletedTask;
             }
-
-            return Task.CompletedTask;
         }
 
         private async Task SetAudioStreamIndex(int? newIndex)
@@ -775,20 +771,80 @@ namespace Emby.Dlna.PlayTo
 
         private async Task SeekAfterTransportChange(long positionTicks, CancellationToken cancellationToken)
         {
-            const int maxWait = 15000000;
-            const int interval = 500;
+            const int MaxWait = 15000000;
+            const int Interval = 500;
+
             var currentWait = 0;
-            while (_device.TransportState != TRANSPORTSTATE.PLAYING && currentWait < maxWait)
+            while (_device.TransportState != TransportState.Playing && currentWait < MaxWait)
             {
-                await Task.Delay(interval).ConfigureAwait(false);
-                currentWait += interval;
+                await Task.Delay(Interval).ConfigureAwait(false);
+                currentWait += Interval;
             }
 
             await _device.Seek(TimeSpan.FromTicks(positionTicks), cancellationToken).ConfigureAwait(false);
         }
 
+        private static int? GetIntValue(IReadOnlyDictionary<string, string> values, string name)
+        {
+            var value = values.GetValueOrDefault(name);
+
+            if (int.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
+            {
+                return result;
+            }
+
+            return null;
+        }
+
+        private static long GetLongValue(IReadOnlyDictionary<string, string> values, string name)
+        {
+            var value = values.GetValueOrDefault(name);
+
+            if (long.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
+            {
+                return result;
+            }
+
+            return 0;
+        }
+
+        /// <inheritdoc />
+        public Task SendMessage<T>(SessionMessageType name, Guid messageId, T data, CancellationToken cancellationToken)
+        {
+            if (_disposed)
+            {
+                throw new ObjectDisposedException(GetType().Name);
+            }
+
+            if (_device == null)
+            {
+                return Task.CompletedTask;
+            }
+
+            if (name == SessionMessageType.Play)
+            {
+                return SendPlayCommand(data as PlayRequest, cancellationToken);
+            }
+
+            if (name == SessionMessageType.Playstate)
+            {
+                return SendPlaystateCommand(data as PlaystateRequest, cancellationToken);
+            }
+
+            if (name == SessionMessageType.GeneralCommand)
+            {
+                return SendGeneralCommand(data as GeneralCommand, cancellationToken);
+            }
+
+            // Not supported or needed right now
+            return Task.CompletedTask;
+        }
+
         private class StreamParams
         {
+            private MediaSourceInfo mediaSource;
+            private IMediaSourceManager _mediaSourceManager;
+
             public Guid ItemId { get; set; }
 
             public bool IsDirectStream { get; set; }
@@ -809,15 +865,11 @@ namespace Emby.Dlna.PlayTo
 
             public BaseItem Item { get; set; }
 
-            private MediaSourceInfo MediaSource;
-
-            private IMediaSourceManager _mediaSourceManager;
-
             public async Task<MediaSourceInfo> GetMediaSource(CancellationToken cancellationToken)
             {
-                if (MediaSource != null)
+                if (mediaSource != null)
                 {
-                    return MediaSource;
+                    return mediaSource;
                 }
 
                 var hasMediaSources = Item as IHasMediaSources;
@@ -827,9 +879,12 @@ namespace Emby.Dlna.PlayTo
                     return null;
                 }
 
-                MediaSource = await _mediaSourceManager.GetMediaSource(Item, MediaSourceId, LiveStreamId, false, cancellationToken).ConfigureAwait(false);
+                if (_mediaSourceManager != null)
+                {
+                    mediaSource = await _mediaSourceManager.GetMediaSource(Item, MediaSourceId, LiveStreamId, false, cancellationToken).ConfigureAwait(false);
+                }
 
-                return MediaSource;
+                return mediaSource;
             }
 
             private static Guid GetItemId(string url)
@@ -841,16 +896,16 @@ namespace Emby.Dlna.PlayTo
 
                 var parts = url.Split('/');
 
-                for (var i = 0; i < parts.Length; i++)
+                for (var i = 0; i < parts.Length - 1; i++)
                 {
                     var part = parts[i];
 
                     if (string.Equals(part, "audio", StringComparison.OrdinalIgnoreCase) ||
                         string.Equals(part, "videos", StringComparison.OrdinalIgnoreCase))
                     {
-                        if (parts.Length > i + 1)
+                        if (Guid.TryParse(parts[i + 1], out var result))
                         {
-                            return Guid.Parse(parts[i + 1]);
+                            return result;
                         }
                     }
                 }
@@ -889,7 +944,6 @@ namespace Emby.Dlna.PlayTo
                 request.MediaSourceId = values.GetValueOrDefault("MediaSourceId");
                 request.LiveStreamId = values.GetValueOrDefault("LiveStreamId");
                 request.IsDirectStream = string.Equals("true", values.GetValueOrDefault("Static"), StringComparison.OrdinalIgnoreCase);
-
                 request.AudioStreamIndex = GetIntValue(values, "AudioStreamIndex");
                 request.SubtitleStreamIndex = GetIntValue(values, "SubtitleStreamIndex");
                 request.StartPositionTicks = GetLongValue(values, "StartPositionTicks");
@@ -901,61 +955,5 @@ namespace Emby.Dlna.PlayTo
                 return request;
             }
         }
-
-        private static int? GetIntValue(IReadOnlyDictionary<string, string> values, string name)
-        {
-            var value = values.GetValueOrDefault(name);
-
-            if (int.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
-            {
-                return result;
-            }
-
-            return null;
-        }
-
-        private static long GetLongValue(IReadOnlyDictionary<string, string> values, string name)
-        {
-            var value = values.GetValueOrDefault(name);
-
-            if (long.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
-            {
-                return result;
-            }
-
-            return 0;
-        }
-
-        /// <inheritdoc />
-        public Task SendMessage<T>(string name, Guid messageId, T data, CancellationToken cancellationToken)
-        {
-            if (_disposed)
-            {
-                throw new ObjectDisposedException(GetType().Name);
-            }
-
-            if (_device == null)
-            {
-                return Task.CompletedTask;
-            }
-
-            if (string.Equals(name, "Play", StringComparison.OrdinalIgnoreCase))
-            {
-                return SendPlayCommand(data as PlayRequest, cancellationToken);
-            }
-
-            if (string.Equals(name, "PlayState", StringComparison.OrdinalIgnoreCase))
-            {
-                return SendPlaystateCommand(data as PlaystateRequest, cancellationToken);
-            }
-
-            if (string.Equals(name, "GeneralCommand", StringComparison.OrdinalIgnoreCase))
-            {
-                return SendGeneralCommand(data as GeneralCommand, cancellationToken);
-            }
-
-            // Not supported or needed right now
-            return Task.CompletedTask;
-        }
     }
 }

Emby.Dlna/PlayTo/PlayToManager.cs

@@ -3,11 +3,11 @@
 using System;
 using System.Globalization;
 using System.Linq;
-using System.Net;
+using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Data.Events;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dlna;
@@ -16,7 +16,6 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Dlna;
-using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.Session;
 using Microsoft.Extensions.Logging;
@@ -33,7 +32,7 @@ namespace Emby.Dlna.PlayTo
         private readonly IDlnaManager _dlnaManager;
         private readonly IServerApplicationHost _appHost;
         private readonly IImageProcessor _imageProcessor;
-        private readonly IHttpClient _httpClient;
+        private readonly IHttpClientFactory _httpClientFactory;
         private readonly IServerConfigurationManager _config;
         private readonly IUserDataManager _userDataManager;
         private readonly ILocalizationManager _localization;
@@ -46,7 +45,7 @@ namespace Emby.Dlna.PlayTo
         private SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
         private CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
 
-        public PlayToManager(ILogger logger, ISessionManager sessionManager, ILibraryManager libraryManager, IUserManager userManager, IDlnaManager dlnaManager, IServerApplicationHost appHost, IImageProcessor imageProcessor, IDeviceDiscovery deviceDiscovery, IHttpClient httpClient, IServerConfigurationManager config, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
+        public PlayToManager(ILogger logger, ISessionManager sessionManager, ILibraryManager libraryManager, IUserManager userManager, IDlnaManager dlnaManager, IServerApplicationHost appHost, IImageProcessor imageProcessor, IDeviceDiscovery deviceDiscovery, IHttpClientFactory httpClientFactory, IServerConfigurationManager config, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
         {
             _logger = logger;
             _sessionManager = sessionManager;
@@ -56,7 +55,7 @@ namespace Emby.Dlna.PlayTo
             _appHost = appHost;
             _imageProcessor = imageProcessor;
             _deviceDiscovery = deviceDiscovery;
-            _httpClient = httpClient;
+            _httpClientFactory = httpClientFactory;
             _config = config;
             _userDataManager = userDataManager;
             _localization = localization;
@@ -88,13 +87,10 @@ namespace Emby.Dlna.PlayTo
                 nt = string.Empty;
             }
 
-            string location = info.Location.ToString();
-
             // It has to report that it's a media renderer
-            if (usn.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1 &&
-                     nt.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1)
+            if (!usn.Contains("MediaRenderer:", StringComparison.OrdinalIgnoreCase)
+                && !nt.Contains("MediaRenderer:", StringComparison.OrdinalIgnoreCase))
             {
-                // _logger.LogDebug("Upnp device {0} does not contain a MediaRenderer device (0).", location);
                 return;
             }
 
@@ -114,7 +110,7 @@ namespace Emby.Dlna.PlayTo
                     return;
                 }
 
-                await AddDevice(info, location, cancellationToken).ConfigureAwait(false);
+                await AddDevice(info, cancellationToken).ConfigureAwait(false);
             }
             catch (OperationCanceledException)
             {
@@ -129,43 +125,50 @@ namespace Emby.Dlna.PlayTo
             }
         }
 
-        private string GetUuid(string usn)
+        internal static string GetUuid(string usn)
         {
-            var found = false;
-            var index = usn.IndexOf("uuid:", StringComparison.OrdinalIgnoreCase);
+            const string UuidStr = "uuid:";
+            const string UuidColonStr = "::";
+
+            var index = usn.IndexOf(UuidStr, StringComparison.OrdinalIgnoreCase);
+            if (index == -1)
+            {
+                return usn.GetMD5().ToString("N", CultureInfo.InvariantCulture);
+            }
+
+            ReadOnlySpan<char> tmp = usn.AsSpan()[(index + UuidStr.Length)..];
+
+            index = tmp.IndexOf(UuidColonStr, StringComparison.OrdinalIgnoreCase);
             if (index != -1)
             {
-                usn = usn.Substring(index);
-                found = true;
+                tmp = tmp[..index];
             }
 
-            index = usn.IndexOf("::", StringComparison.OrdinalIgnoreCase);
+            index = tmp.IndexOf('{');
             if (index != -1)
             {
-                usn = usn.Substring(0, index);
+                int endIndex = tmp.IndexOf('}');
+                if (endIndex != -1)
+                {
+                    tmp = tmp[(index + 1)..endIndex];
+                }
             }
 
-            if (found)
-            {
-                return usn;
-            }
-
-            return usn.GetMD5().ToString("N", CultureInfo.InvariantCulture);
+            return tmp.ToString();
         }
 
-        private async Task AddDevice(UpnpDeviceInfo info, string location, CancellationToken cancellationToken)
+        private async Task AddDevice(UpnpDeviceInfo info, CancellationToken cancellationToken)
         {
             var uri = info.Location;
-            _logger.LogDebug("Attempting to create PlayToController from location {0}", location);
+            _logger.LogDebug("Attempting to create PlayToController from location {0}", uri);
 
-            _logger.LogDebug("Logging session activity from location {0}", location);
             if (info.Headers.TryGetValue("USN", out string uuid))
             {
                 uuid = GetUuid(uuid);
             }
             else
             {
-                uuid = location.GetMD5().ToString("N", CultureInfo.InvariantCulture);
+                uuid = uri.ToString().GetMD5().ToString("N", CultureInfo.InvariantCulture);
             }
 
             var sessionInfo = _sessionManager.LogSessionActivity("DLNA", _appHost.ApplicationVersionString, uuid, null, uri.OriginalString, null);
@@ -174,38 +177,34 @@ namespace Emby.Dlna.PlayTo
 
             if (controller == null)
             {
-                var device = await Device.CreateuPnpDeviceAsync(uri, _httpClient, _config, _logger, cancellationToken).ConfigureAwait(false);
+                var device = await Device.CreateuPnpDeviceAsync(uri, _httpClientFactory, _logger, cancellationToken).ConfigureAwait(false);
+                if (device == null)
+                {
+                    _logger.LogError("Ignoring device as xml response is invalid.");
+                    return;
+                }
 
                 string deviceName = device.Properties.Name;
 
                 _sessionManager.UpdateDeviceName(sessionInfo.Id, deviceName);
 
-                string serverAddress;
-                if (info.LocalIpAddress == null || info.LocalIpAddress.Equals(IPAddress.Any) || info.LocalIpAddress.Equals(IPAddress.IPv6Any))
-                {
-                    serverAddress = await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
-                }
-                else
-                {
-                    serverAddress = _appHost.GetLocalApiUrl(info.LocalIpAddress);
-                }
+                string serverAddress = _appHost.GetSmartApiUrl(info.RemoteIpAddress);
 
                 controller = new PlayToController(
                     sessionInfo,
-                   _sessionManager,
-                   _libraryManager,
-                   _logger,
-                   _dlnaManager,
-                   _userManager,
-                   _imageProcessor,
-                   serverAddress,
-                   null,
-                   _deviceDiscovery,
-                   _userDataManager,
-                   _localization,
-                   _mediaSourceManager,
-                   _config,
-                   _mediaEncoder);
+                    _sessionManager,
+                    _libraryManager,
+                    _logger,
+                    _dlnaManager,
+                    _userManager,
+                    _imageProcessor,
+                    serverAddress,
+                    null,
+                    _deviceDiscovery,
+                    _userDataManager,
+                    _localization,
+                    _mediaSourceManager,
+                    _mediaEncoder);
 
                 sessionInfo.AddController(controller);
 
@@ -218,17 +217,17 @@ namespace Emby.Dlna.PlayTo
                 {
                     PlayableMediaTypes = profile.GetSupportedMediaTypes(),
 
-                    SupportedCommands = new string[]
+                    SupportedCommands = new[]
                     {
-                            GeneralCommandType.VolumeDown.ToString(),
-                            GeneralCommandType.VolumeUp.ToString(),
-                            GeneralCommandType.Mute.ToString(),
-                            GeneralCommandType.Unmute.ToString(),
-                            GeneralCommandType.ToggleMute.ToString(),
-                            GeneralCommandType.SetVolume.ToString(),
-                            GeneralCommandType.SetAudioStreamIndex.ToString(),
-                            GeneralCommandType.SetSubtitleStreamIndex.ToString(),
-                            GeneralCommandType.PlayMediaSource.ToString()
+                        GeneralCommandType.VolumeDown,
+                        GeneralCommandType.VolumeUp,
+                        GeneralCommandType.Mute,
+                        GeneralCommandType.Unmute,
+                        GeneralCommandType.ToggleMute,
+                        GeneralCommandType.SetVolume,
+                        GeneralCommandType.SetAudioStreamIndex,
+                        GeneralCommandType.SetSubtitleStreamIndex,
+                        GeneralCommandType.PlayMediaSource
                     },
 
                     SupportsMediaControl = true
@@ -247,8 +246,9 @@ namespace Emby.Dlna.PlayTo
             {
                 _disposeCancellationTokenSource.Cancel();
             }
-            catch
+            catch (Exception ex)
             {
+                _logger.LogDebug(ex, "Error while disposing PlayToManager");
             }
 
             _sessionLock.Dispose();

Emby.Dlna/PlayTo/PlaybackProgressEventArgs.cs

@@ -6,6 +6,6 @@ namespace Emby.Dlna.PlayTo
 {
     public class PlaybackProgressEventArgs : EventArgs
     {
-        public uBaseObject MediaInfo { get; set; }
+        public UBaseObject MediaInfo { get; set; }
     }
 }

Emby.Dlna/PlayTo/PlaybackStartEventArgs.cs

@@ -6,6 +6,6 @@ namespace Emby.Dlna.PlayTo
 {
     public class PlaybackStartEventArgs : EventArgs
     {
-        public uBaseObject MediaInfo { get; set; }
+        public UBaseObject MediaInfo { get; set; }
     }
 }

Emby.Dlna/PlayTo/PlaybackStoppedEventArgs.cs

@@ -6,13 +6,6 @@ namespace Emby.Dlna.PlayTo
 {
     public class PlaybackStoppedEventArgs : EventArgs
     {
-        public uBaseObject MediaInfo { get; set; }
-    }
-
-    public class MediaChangedEventArgs : EventArgs
-    {
-        public uBaseObject OldMediaInfo { get; set; }
-
-        public uBaseObject NewMediaInfo { get; set; }
+        public UBaseObject MediaInfo { get; set; }
     }
 }

Emby.Dlna/PlayTo/PlaylistItemFactory.cs

@@ -8,9 +8,9 @@ using MediaBrowser.Model.Session;
 
 namespace Emby.Dlna.PlayTo
 {
-    public class PlaylistItemFactory
+    public static class PlaylistItemFactory
     {
-        public PlaylistItem Create(Photo item, DeviceProfile profile)
+        public static PlaylistItem Create(Photo item, DeviceProfile profile)
         {
             var playlistItem = new PlaylistItem
             {

Emby.Dlna/PlayTo/SsdpHttpClient.cs

@@ -4,6 +4,7 @@ using System;
 using System.Globalization;
 using System.IO;
 using System.Net.Http;
+using System.Net.Mime;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -20,11 +21,11 @@ namespace Emby.Dlna.PlayTo
 
         private readonly CultureInfo _usCulture = new CultureInfo("en-US");
 
-        private readonly IHttpClient _httpClient;
+        private readonly IHttpClientFactory _httpClientFactory;
 
-        public SsdpHttpClient(IHttpClient httpClient)
+        public SsdpHttpClient(IHttpClientFactory httpClientFactory)
         {
-            _httpClient = httpClient;
+            _httpClientFactory = httpClientFactory;
         }
 
         public async Task<XDocument> SendCommandAsync(
@@ -36,20 +37,18 @@ namespace Emby.Dlna.PlayTo
             CancellationToken cancellationToken = default)
         {
             var url = NormalizeServiceUrl(baseUrl, service.ControlUrl);
-            using (var response = await PostSoapDataAsync(
-                url,
-                $"\"{service.ServiceType}#{command}\"",
-                postData,
-                header,
-                cancellationToken)
-                .ConfigureAwait(false))
-            using (var stream = response.Content)
-            using (var reader = new StreamReader(stream, Encoding.UTF8))
-            {
-                return XDocument.Parse(
-                    await reader.ReadToEndAsync().ConfigureAwait(false),
-                    LoadOptions.PreserveWhitespace);
-            }
+            using var response = await PostSoapDataAsync(
+                    url,
+                    $"\"{service.ServiceType}#{command}\"",
+                    postData,
+                    header,
+                    cancellationToken)
+                .ConfigureAwait(false);
+            await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
+            return await XDocument.LoadAsync(
+                stream,
+                LoadOptions.PreserveWhitespace,
+                cancellationToken).ConfigureAwait(false);
         }
 
         private static string NormalizeServiceUrl(string baseUrl, string serviceUrl)
@@ -60,7 +59,7 @@ namespace Emby.Dlna.PlayTo
                 return serviceUrl;
             }
 
-            if (!serviceUrl.StartsWith("/", StringComparison.Ordinal))
+            if (!serviceUrl.StartsWith('/'))
             {
                 serviceUrl = "/" + serviceUrl;
             }
@@ -76,49 +75,39 @@ namespace Emby.Dlna.PlayTo
             int eventport,
             int timeOut = 3600)
         {
-            var options = new HttpRequestOptions
-            {
-                Url = url,
-                UserAgent = USERAGENT,
-                LogErrorResponseBody = true,
-                BufferContent = false,
-            };
+            using var options = new HttpRequestMessage(new HttpMethod("SUBSCRIBE"), url);
+            options.Headers.UserAgent.ParseAdd(USERAGENT);
+            options.Headers.TryAddWithoutValidation("HOST", ip + ":" + port.ToString(_usCulture));
+            options.Headers.TryAddWithoutValidation("CALLBACK", "<" + localIp + ":" + eventport.ToString(_usCulture) + ">");
+            options.Headers.TryAddWithoutValidation("NT", "upnp:event");
+            options.Headers.TryAddWithoutValidation("TIMEOUT", "Second-" + timeOut.ToString(_usCulture));
 
-            options.RequestHeaders["HOST"] = ip + ":" + port.ToString(_usCulture);
-            options.RequestHeaders["CALLBACK"] = "<" + localIp + ":" + eventport.ToString(_usCulture) + ">";
-            options.RequestHeaders["NT"] = "upnp:event";
-            options.RequestHeaders["TIMEOUT"] = "Second-" + timeOut.ToString(_usCulture);
-
-            using (await _httpClient.SendAsync(options, new HttpMethod("SUBSCRIBE")).ConfigureAwait(false))
-            {
-            }
+            using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
+                .SendAsync(options, HttpCompletionOption.ResponseHeadersRead)
+                .ConfigureAwait(false);
         }
 
         public async Task<XDocument> GetDataAsync(string url, CancellationToken cancellationToken)
         {
-            var options = new HttpRequestOptions
+            using var options = new HttpRequestMessage(HttpMethod.Get, url);
+            options.Headers.UserAgent.ParseAdd(USERAGENT);
+            options.Headers.TryAddWithoutValidation("FriendlyName.DLNA.ORG", FriendlyName);
+            using var response = await _httpClientFactory.CreateClient(NamedClient.Default).SendAsync(options, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
+            try
             {
-                Url = url,
-                UserAgent = USERAGENT,
-                LogErrorResponseBody = true,
-                BufferContent = false,
-
-                CancellationToken = cancellationToken
-            };
-
-            options.RequestHeaders["FriendlyName.DLNA.ORG"] = FriendlyName;
-
-            using (var response = await _httpClient.SendAsync(options, HttpMethod.Get).ConfigureAwait(false))
-            using (var stream = response.Content)
-            using (var reader = new StreamReader(stream, Encoding.UTF8))
+                return await XDocument.LoadAsync(
+                    stream,
+                    LoadOptions.PreserveWhitespace,
+                    cancellationToken).ConfigureAwait(false);
+            }
+            catch
             {
-                return XDocument.Parse(
-                    await reader.ReadToEndAsync().ConfigureAwait(false),
-                    LoadOptions.PreserveWhitespace);
+                return null;
             }
         }
 
-        private Task<HttpResponseInfo> PostSoapDataAsync(
+        private async Task<HttpResponseMessage> PostSoapDataAsync(
             string url,
             string soapAction,
             string postData,
@@ -130,29 +119,20 @@ namespace Emby.Dlna.PlayTo
                 soapAction = $"\"{soapAction}\"";
             }
 
-            var options = new HttpRequestOptions
-            {
-                Url = url,
-                UserAgent = USERAGENT,
-                LogErrorResponseBody = true,
-                BufferContent = false,
-
-                CancellationToken = cancellationToken
-            };
-
-            options.RequestHeaders["SOAPAction"] = soapAction;
-            options.RequestHeaders["Pragma"] = "no-cache";
-            options.RequestHeaders["FriendlyName.DLNA.ORG"] = FriendlyName;
+            using var options = new HttpRequestMessage(HttpMethod.Post, url);
+            options.Headers.UserAgent.ParseAdd(USERAGENT);
+            options.Headers.TryAddWithoutValidation("SOAPACTION", soapAction);
+            options.Headers.TryAddWithoutValidation("Pragma", "no-cache");
+            options.Headers.TryAddWithoutValidation("FriendlyName.DLNA.ORG", FriendlyName);
 
             if (!string.IsNullOrEmpty(header))
             {
-                options.RequestHeaders["contentFeatures.dlna.org"] = header;
+                options.Headers.TryAddWithoutValidation("contentFeatures.dlna.org", header);
             }
 
-            options.RequestContentType = "text/xml";
-            options.RequestContent = postData;
+            options.Content = new StringContent(postData, Encoding.UTF8, MediaTypeNames.Text.Xml);
 
-            return _httpClient.Post(options);
+            return await _httpClientFactory.CreateClient(NamedClient.Default).SendAsync(options, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
         }
     }
 }

Emby.Dlna/PlayTo/TRANSPORTSTATE.cs

@@ -1,13 +0,0 @@
-#pragma warning disable CS1591
-
-namespace Emby.Dlna.PlayTo
-{
-    public enum TRANSPORTSTATE
-    {
-        STOPPED,
-        PLAYING,
-        TRANSITIONING,
-        PAUSED_PLAYBACK,
-        PAUSED
-    }
-}

Emby.Dlna/PlayTo/TransportCommands.cs

@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Xml.Linq;
 using Emby.Dlna.Common;
@@ -11,36 +12,28 @@ namespace Emby.Dlna.PlayTo
 {
     public class TransportCommands
     {
-        private List<StateVariable> _stateVariables = new List<StateVariable>();
-        public List<StateVariable> StateVariables
-        {
-            get => _stateVariables;
-            set => _stateVariables = value;
-        }
+        private const string CommandBase = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">" + "<SOAP-ENV:Body>" + "<m:{0} xmlns:m=\"{1}\">" + "{2}" + "</m:{0}>" + "</SOAP-ENV:Body></SOAP-ENV:Envelope>";
 
-        private List<ServiceAction> _serviceActions = new List<ServiceAction>();
-        public List<ServiceAction> ServiceActions
-        {
-            get => _serviceActions;
-            set => _serviceActions = value;
-        }
+        public List<StateVariable> StateVariables { get; } = new List<StateVariable>();
+
+        public List<ServiceAction> ServiceActions { get; } = new List<ServiceAction>();
 
         public static TransportCommands Create(XDocument document)
         {
             var command = new TransportCommands();
 
-            var actionList = document.Descendants(uPnpNamespaces.svc + "actionList");
+            var actionList = document.Descendants(UPnpNamespaces.Svc + "actionList");
 
-            foreach (var container in actionList.Descendants(uPnpNamespaces.svc + "action"))
+            foreach (var container in actionList.Descendants(UPnpNamespaces.Svc + "action"))
             {
                 command.ServiceActions.Add(ServiceActionFromXml(container));
             }
 
-            var stateValues = document.Descendants(uPnpNamespaces.ServiceStateTable).FirstOrDefault();
+            var stateValues = document.Descendants(UPnpNamespaces.ServiceStateTable).FirstOrDefault();
 
             if (stateValues != null)
             {
-                foreach (var container in stateValues.Elements(uPnpNamespaces.svc + "stateVariable"))
+                foreach (var container in stateValues.Elements(UPnpNamespaces.Svc + "stateVariable"))
                 {
                     command.StateVariables.Add(FromXml(container));
                 }
@@ -51,19 +44,19 @@ namespace Emby.Dlna.PlayTo
 
         private static ServiceAction ServiceActionFromXml(XElement container)
         {
-            var argumentList = new List<Argument>();
+            var serviceAction = new ServiceAction
+            {
+                Name = container.GetValue(UPnpNamespaces.Svc + "name"),
+            };
 
-            foreach (var arg in container.Descendants(uPnpNamespaces.svc + "argument"))
+            var argumentList = serviceAction.ArgumentList;
+
+            foreach (var arg in container.Descendants(UPnpNamespaces.Svc + "argument"))
             {
                 argumentList.Add(ArgumentFromXml(arg));
             }
 
-            return new ServiceAction
-            {
-                Name = container.GetValue(uPnpNamespaces.svc + "name"),
-
-                ArgumentList = argumentList
-            };
+            return serviceAction;
         }
 
         private static Argument ArgumentFromXml(XElement container)
@@ -75,30 +68,30 @@ namespace Emby.Dlna.PlayTo
 
             return new Argument
             {
-                Name = container.GetValue(uPnpNamespaces.svc + "name"),
-                Direction = container.GetValue(uPnpNamespaces.svc + "direction"),
-                RelatedStateVariable = container.GetValue(uPnpNamespaces.svc + "relatedStateVariable")
+                Name = container.GetValue(UPnpNamespaces.Svc + "name"),
+                Direction = container.GetValue(UPnpNamespaces.Svc + "direction"),
+                RelatedStateVariable = container.GetValue(UPnpNamespaces.Svc + "relatedStateVariable")
             };
         }
 
         private static StateVariable FromXml(XElement container)
         {
-            var allowedValues = new List<string>();
-            var element = container.Descendants(uPnpNamespaces.svc + "allowedValueList")
+            var allowedValues = Array.Empty<string>();
+            var element = container.Descendants(UPnpNamespaces.Svc + "allowedValueList")
                 .FirstOrDefault();
 
             if (element != null)
             {
-                var values = element.Descendants(uPnpNamespaces.svc + "allowedValue");
+                var values = element.Descendants(UPnpNamespaces.Svc + "allowedValue");
 
-                allowedValues.AddRange(values.Select(child => child.Value));
+                allowedValues = values.Select(child => child.Value).ToArray();
             }
 
             return new StateVariable
             {
-                Name = container.GetValue(uPnpNamespaces.svc + "name"),
-                DataType = container.GetValue(uPnpNamespaces.svc + "dataType"),
-                AllowedValues = allowedValues.ToArray()
+                Name = container.GetValue(UPnpNamespaces.Svc + "name"),
+                DataType = container.GetValue(UPnpNamespaces.Svc + "dataType"),
+                AllowedValues = allowedValues
             };
         }
 
@@ -108,12 +101,12 @@ namespace Emby.Dlna.PlayTo
 
             foreach (var arg in action.ArgumentList)
             {
-                if (arg.Direction == "out")
+                if (string.Equals(arg.Direction, "out", StringComparison.Ordinal))
                 {
                     continue;
                 }
 
-                if (arg.Name == "InstanceID")
+                if (string.Equals(arg.Name, "InstanceID", StringComparison.Ordinal))
                 {
                     stateString += BuildArgumentXml(arg, "0");
                 }
@@ -123,7 +116,7 @@ namespace Emby.Dlna.PlayTo
                 }
             }
 
-            return string.Format(CommandBase, action.Name, xmlNamespace, stateString);
+            return string.Format(CultureInfo.InvariantCulture, CommandBase, action.Name, xmlNamespace, stateString);
         }
 
         public string BuildPost(ServiceAction action, string xmlNamesapce, object value, string commandParameter = "")
@@ -132,12 +125,12 @@ namespace Emby.Dlna.PlayTo
 
             foreach (var arg in action.ArgumentList)
             {
-                if (arg.Direction == "out")
+                if (string.Equals(arg.Direction, "out", StringComparison.Ordinal))
                 {
                     continue;
                 }
 
-                if (arg.Name == "InstanceID")
+                if (string.Equals(arg.Name, "InstanceID", StringComparison.Ordinal))
                 {
                     stateString += BuildArgumentXml(arg, "0");
                 }
@@ -147,7 +140,7 @@ namespace Emby.Dlna.PlayTo
                 }
             }
 
-            return string.Format(CommandBase, action.Name, xmlNamesapce, stateString);
+            return string.Format(CultureInfo.InvariantCulture, CommandBase, action.Name, xmlNamesapce, stateString);
         }
 
         public string BuildPost(ServiceAction action, string xmlNamesapce, object value, Dictionary<string, string> dictionary)
@@ -156,7 +149,7 @@ namespace Emby.Dlna.PlayTo
 
             foreach (var arg in action.ArgumentList)
             {
-                if (arg.Name == "InstanceID")
+                if (string.Equals(arg.Name, "InstanceID", StringComparison.Ordinal))
                 {
                     stateString += BuildArgumentXml(arg, "0");
                 }
@@ -170,7 +163,7 @@ namespace Emby.Dlna.PlayTo
                 }
             }
 
-            return string.Format(CommandBase, action.Name, xmlNamesapce, stateString);
+            return string.Format(CultureInfo.InvariantCulture, CommandBase, action.Name, xmlNamesapce, stateString);
         }
 
         private string BuildArgumentXml(Argument argument, string value, string commandParameter = "")
@@ -180,15 +173,12 @@ namespace Emby.Dlna.PlayTo
             if (state != null)
             {
                 var sendValue = state.AllowedValues.FirstOrDefault(a => string.Equals(a, commandParameter, StringComparison.OrdinalIgnoreCase)) ??
-                                 state.AllowedValues.FirstOrDefault() ??
-                                 value;
+                    (state.AllowedValues.Count > 0 ? state.AllowedValues[0] : value);
 
-                return string.Format("<{0} xmlns:dt=\"urn:schemas-microsoft-com:datatypes\" dt:dt=\"{1}\">{2}</{0}>", argument.Name, state.DataType ?? "string", sendValue);
+                return string.Format(CultureInfo.InvariantCulture, "<{0} xmlns:dt=\"urn:schemas-microsoft-com:datatypes\" dt:dt=\"{1}\">{2}</{0}>", argument.Name, state.DataType ?? "string", sendValue);
             }
 
-            return string.Format("<{0}>{1}</{0}>", argument.Name, value);
+            return string.Format(CultureInfo.InvariantCulture, "<{0}>{1}</{0}>", argument.Name, value);
         }
-
-        private const string CommandBase = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">" + "<SOAP-ENV:Body>" + "<m:{0} xmlns:m=\"{1}\">" + "{2}" + "</m:{0}>" + "</SOAP-ENV:Body></SOAP-ENV:Envelope>";
     }
 }

Emby.Dlna/PlayTo/TransportState.cs

@@ -0,0 +1,14 @@
+#pragma warning disable CS1591
+#pragma warning disable SA1602
+
+namespace Emby.Dlna.PlayTo
+{
+    public enum TransportState
+    {
+        Stopped,
+        Playing,
+        Transitioning,
+        PausedPlayback,
+        Paused
+    }
+}

Emby.Dlna/PlayTo/UpnpContainer.cs

@@ -6,22 +6,22 @@ using Emby.Dlna.Ssdp;
 
 namespace Emby.Dlna.PlayTo
 {
-    public class UpnpContainer : uBaseObject
+    public class UpnpContainer : UBaseObject
     {
-        public static uBaseObject Create(XElement container)
+        public static UBaseObject Create(XElement container)
         {
             if (container == null)
             {
                 throw new ArgumentNullException(nameof(container));
             }
 
-            return new uBaseObject
+            return new UBaseObject
             {
-                Id = container.GetAttributeValue(uPnpNamespaces.Id),
-                ParentId = container.GetAttributeValue(uPnpNamespaces.ParentId),
-                Title = container.GetValue(uPnpNamespaces.title),
-                IconUrl = container.GetValue(uPnpNamespaces.Artwork),
-                UpnpClass = container.GetValue(uPnpNamespaces.uClass)
+                Id = container.GetAttributeValue(UPnpNamespaces.Id),
+                ParentId = container.GetAttributeValue(UPnpNamespaces.ParentId),
+                Title = container.GetValue(UPnpNamespaces.Title),
+                IconUrl = container.GetValue(UPnpNamespaces.Artwork),
+                UpnpClass = container.GetValue(UPnpNamespaces.Class)
             };
         }
     }

Emby.Dlna/PlayTo/uBaseObject.cs

@@ -1,10 +1,11 @@
 #pragma warning disable CS1591
 
 using System;
+using System.Collections.Generic;
 
 namespace Emby.Dlna.PlayTo
 {
-    public class uBaseObject
+    public class UBaseObject
     {
         public string Id { get; set; }
 
@@ -20,20 +21,10 @@ namespace Emby.Dlna.PlayTo
 
         public string Url { get; set; }
 
-        public string[] ProtocolInfo { get; set; }
+        public IReadOnlyList<string> ProtocolInfo { get; set; }
 
         public string UpnpClass { get; set; }
 
-        public bool Equals(uBaseObject obj)
-        {
-            if (obj == null)
-            {
-                throw new ArgumentNullException(nameof(obj));
-            }
-
-            return string.Equals(Id, obj.Id);
-        }
-
         public string MediaType
         {
             get
@@ -58,5 +49,15 @@ namespace Emby.Dlna.PlayTo
                 return null;
             }
         }
+
+        public bool Equals(UBaseObject obj)
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException(nameof(obj));
+            }
+
+            return string.Equals(Id, obj.Id, StringComparison.Ordinal);
+        }
     }
 }

Emby.Dlna/PlayTo/uPnpNamespaces.cs

@@ -4,38 +4,64 @@ using System.Xml.Linq;
 
 namespace Emby.Dlna.PlayTo
 {
-    public class uPnpNamespaces
+    public static class UPnpNamespaces
     {
-        public static XNamespace dc = "http://purl.org/dc/elements/1.1/";
-        public static XNamespace ns = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
-        public static XNamespace svc = "urn:schemas-upnp-org:service-1-0";
-        public static XNamespace ud = "urn:schemas-upnp-org:device-1-0";
-        public static XNamespace upnp = "urn:schemas-upnp-org:metadata-1-0/upnp/";
-        public static XNamespace RenderingControl = "urn:schemas-upnp-org:service:RenderingControl:1";
-        public static XNamespace AvTransport = "urn:schemas-upnp-org:service:AVTransport:1";
-        public static XNamespace ContentDirectory = "urn:schemas-upnp-org:service:ContentDirectory:1";
+        public static XNamespace Dc { get; } = "http://purl.org/dc/elements/1.1/";
 
-        public static XName containers = ns + "container";
-        public static XName items = ns + "item";
-        public static XName title = dc + "title";
-        public static XName creator = dc + "creator";
-        public static XName artist = upnp + "artist";
-        public static XName Id = "id";
-        public static XName ParentId = "parentID";
-        public static XName uClass = upnp + "class";
-        public static XName Artwork = upnp + "albumArtURI";
-        public static XName Description = dc + "description";
-        public static XName LongDescription = upnp + "longDescription";
-        public static XName Album = upnp + "album";
-        public static XName Author = upnp + "author";
-        public static XName Director = upnp + "director";
-        public static XName PlayCount = upnp + "playbackCount";
-        public static XName Tracknumber = upnp + "originalTrackNumber";
-        public static XName Res = ns + "res";
-        public static XName Duration = "duration";
-        public static XName ProtocolInfo = "protocolInfo";
+        public static XNamespace Ns { get; } = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
 
-        public static XName ServiceStateTable = svc + "serviceStateTable";
-        public static XName StateVariable = svc + "stateVariable";
+        public static XNamespace Svc { get; } = "urn:schemas-upnp-org:service-1-0";
+
+        public static XNamespace Ud { get; } = "urn:schemas-upnp-org:device-1-0";
+
+        public static XNamespace UPnp { get; } = "urn:schemas-upnp-org:metadata-1-0/upnp/";
+
+        public static XNamespace RenderingControl { get; } = "urn:schemas-upnp-org:service:RenderingControl:1";
+
+        public static XNamespace AvTransport { get; } = "urn:schemas-upnp-org:service:AVTransport:1";
+
+        public static XNamespace ContentDirectory { get; } = "urn:schemas-upnp-org:service:ContentDirectory:1";
+
+        public static XName Containers { get; } = Ns + "container";
+
+        public static XName Items { get; } = Ns + "item";
+
+        public static XName Title { get; } = Dc + "title";
+
+        public static XName Creator { get; } = Dc + "creator";
+
+        public static XName Artist { get; } = UPnp + "artist";
+
+        public static XName Id { get; } = "id";
+
+        public static XName ParentId { get; } = "parentID";
+
+        public static XName Class { get; } = UPnp + "class";
+
+        public static XName Artwork { get; } = UPnp + "albumArtURI";
+
+        public static XName Description { get; } = Dc + "description";
+
+        public static XName LongDescription { get; } = UPnp + "longDescription";
+
+        public static XName Album { get; } = UPnp + "album";
+
+        public static XName Author { get; } = UPnp + "author";
+
+        public static XName Director { get; } = UPnp + "director";
+
+        public static XName PlayCount { get; } = UPnp + "playbackCount";
+
+        public static XName Tracknumber { get; } = UPnp + "originalTrackNumber";
+
+        public static XName Res { get; } = Ns + "res";
+
+        public static XName Duration { get; } = "duration";
+
+        public static XName ProtocolInfo { get; } = "protocolInfo";
+
+        public static XName ServiceStateTable { get; } = Svc + "serviceStateTable";
+
+        public static XName StateVariable { get; } = Svc + "stateVariable";
     }
 }

Emby.Dlna/Profiles/DefaultProfile.cs

@@ -1,5 +1,7 @@
 #pragma warning disable CS1591
 
+using System;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Model.Dlna;
 
@@ -10,6 +12,7 @@ namespace Emby.Dlna.Profiles
     {
         public DefaultProfile()
         {
+            Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
             Name = "Generic Device";
 
             ProtocolInfo = "http-get:*:video/mpeg:*,http-get:*:video/mp4:*,http-get:*:video/vnd.dlna.mpeg-tts:*,http-get:*:video/avi:*,http-get:*:video/x-matroska:*,http-get:*:video/x-ms-wmv:*,http-get:*:video/wtv:*,http-get:*:audio/mpeg:*,http-get:*:audio/mp3:*,http-get:*:audio/mp4:*,http-get:*:audio/x-ms-wma:*,http-get:*:audio/wav:*,http-get:*:audio/L16:*,http-get:*:image/jpeg:*,http-get:*:image/png:*,http-get:*:image/gif:*,http-get:*:image/tiff:*";
@@ -64,14 +67,14 @@ namespace Emby.Dlna.Profiles
                 new DirectPlayProfile
                 {
                     // play all
-                    Container = "",
+                    Container = string.Empty,
                     Type = DlnaProfileType.Video
                 },
 
                 new DirectPlayProfile
                 {
                     // play all
-                    Container = "",
+                    Container = string.Empty,
                     Type = DlnaProfileType.Audio
                 }
             };

Emby.Dlna/Profiles/DishHopperJoeyProfile.cs

@@ -24,7 +24,7 @@ namespace Emby.Dlna.Profiles
                     {
                          Match = HeaderMatchType.Substring,
                          Name = "User-Agent",
-                         Value ="Zip_"
+                         Value = "Zip_"
                     }
                 }
             };
@@ -81,7 +81,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -124,7 +124,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -161,7 +161,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3,he-aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -177,7 +177,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -192,7 +192,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.VideoAudio,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         // The device does not have any audio switching capabilities
                         new ProfileCondition

Emby.Dlna/Profiles/LgTvProfile.cs

@@ -84,7 +84,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -191,7 +191,7 @@ namespace Emby.Dlna.Profiles
                 }
             };
 
-            ResponseProfiles = new ResponseProfile[]
+            ResponseProfiles = new[]
             {
                 new ResponseProfile
                 {

Emby.Dlna/Profiles/LinksysDMA2100Profile.cs

@@ -32,7 +32,7 @@ namespace Emby.Dlna.Profiles
                 }
             };
 
-            ResponseProfiles = new ResponseProfile[]
+            ResponseProfiles = new[]
             {
                 new ResponseProfile
                 {

Emby.Dlna/Profiles/PanasonicVieraProfile.cs

@@ -138,7 +138,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/PopcornHourProfile.cs

@@ -93,8 +93,8 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Codec="h264",
-                    Conditions = new []
+                    Codec = "h264",
+                    Conditions = new[]
                     {
                         new ProfileCondition(ProfileConditionType.EqualsAny, ProfileConditionValue.VideoProfile, "baseline|constrained baseline"),
                         new ProfileCondition
@@ -122,7 +122,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -150,7 +150,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -166,7 +166,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Audio,
                     Codec = "aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -182,7 +182,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Audio,
                     Codec = "mp3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -202,7 +202,7 @@ namespace Emby.Dlna.Profiles
                 }
             };
 
-            ResponseProfiles = new ResponseProfile[]
+            ResponseProfiles = new[]
             {
                 new ResponseProfile
                 {

Emby.Dlna/Profiles/SamsungSmartTvProfile.cs

@@ -139,7 +139,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBlurayPlayer2013.cs

@@ -150,7 +150,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -178,7 +178,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -197,7 +197,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBlurayPlayer2014.cs

@@ -150,7 +150,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -178,7 +178,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -197,7 +197,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBlurayPlayer2015.cs

@@ -138,7 +138,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -166,7 +166,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -185,7 +185,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBlurayPlayer2016.cs

@@ -138,7 +138,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -166,7 +166,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -185,7 +185,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBlurayPlayerProfile.cs

@@ -114,7 +114,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -156,7 +156,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -172,7 +172,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -191,7 +191,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -217,7 +217,7 @@ namespace Emby.Dlna.Profiles
                     VideoCodec = "h264,mpeg4,vc1",
                     AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 

Emby.Dlna/Profiles/SonyBravia2010Profile.cs

@@ -102,13 +102,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
+                    OrgPn = "AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -128,13 +128,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/mpeg",
-                    OrgPn="AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
+                    OrgPn = "AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -148,28 +148,28 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
+                    OrgPn = "AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="mpeg2video",
+                    VideoCodec = "mpeg2video",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "mpeg",
-                    VideoCodec="mpeg1video,mpeg2video",
+                    VideoCodec = "mpeg1video,mpeg2video",
                     MimeType = "video/mpeg",
-                    OrgPn="MPEG_PS_NTSC,MPEG_PS_PAL",
+                    OrgPn = "MPEG_PS_NTSC,MPEG_PS_PAL",
                     Type = DlnaProfileType.Video
                 }
             };
@@ -180,7 +180,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -204,7 +204,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -243,7 +243,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "mpeg2video",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -275,7 +275,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -303,7 +303,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -319,7 +319,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -341,7 +341,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "mp3,mp2",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBravia2011Profile.cs

@@ -120,7 +120,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -143,13 +143,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
+                    OrgPn = "AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -169,13 +169,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/mpeg",
-                    OrgPn="AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
+                    OrgPn = "AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -189,28 +189,28 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
+                    OrgPn = "AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="mpeg2video",
+                    VideoCodec = "mpeg2video",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "mpeg",
-                    VideoCodec="mpeg1video,mpeg2video",
+                    VideoCodec = "mpeg1video,mpeg2video",
                     MimeType = "video/mpeg",
-                    OrgPn="MPEG_PS_NTSC,MPEG_PS_PAL",
+                    OrgPn = "MPEG_PS_NTSC,MPEG_PS_PAL",
                     Type = DlnaProfileType.Video
                 },
                 new ResponseProfile
@@ -227,7 +227,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -266,7 +266,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "mpeg2video",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -298,7 +298,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -326,7 +326,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -364,7 +364,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "mp3,mp2",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBravia2012Profile.cs

@@ -131,13 +131,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
+                    OrgPn = "AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -157,13 +157,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/mpeg",
-                    OrgPn="AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
+                    OrgPn = "AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -177,28 +177,28 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
+                    OrgPn = "AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="mpeg2video",
+                    VideoCodec = "mpeg2video",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "mpeg",
-                    VideoCodec="mpeg1video,mpeg2video",
+                    VideoCodec = "mpeg1video,mpeg2video",
                     MimeType = "video/mpeg",
-                    OrgPn="MPEG_PS_NTSC,MPEG_PS_PAL",
+                    OrgPn = "MPEG_PS_NTSC,MPEG_PS_PAL",
                     Type = DlnaProfileType.Video
                 },
                 new ResponseProfile
@@ -215,7 +215,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -282,7 +282,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "mp3,mp2",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBravia2013Profile.cs

@@ -164,7 +164,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -187,13 +187,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
+                    OrgPn = "AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -213,13 +213,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/mpeg",
-                    OrgPn="AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
+                    OrgPn = "AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -233,28 +233,28 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
+                    OrgPn = "AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="mpeg2video",
+                    VideoCodec = "mpeg2video",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "mpeg",
-                    VideoCodec="mpeg1video,mpeg2video",
+                    VideoCodec = "mpeg1video,mpeg2video",
                     MimeType = "video/mpeg",
-                    OrgPn="MPEG_PS_NTSC,MPEG_PS_PAL",
+                    OrgPn = "MPEG_PS_NTSC,MPEG_PS_PAL",
                     Type = DlnaProfileType.Video
                 },
                 new ResponseProfile
@@ -265,14 +265,13 @@ namespace Emby.Dlna.Profiles
                 }
             };
 
-
             CodecProfiles = new[]
             {
                 new CodecProfile
                 {
                     Type = CodecType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -300,7 +299,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "mp3,mp2",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyBravia2014Profile.cs

@@ -164,7 +164,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -187,13 +187,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
+                    OrgPn = "AVC_TS_HD_24_AC3_T,AVC_TS_HD_50_AC3_T,AVC_TS_HD_60_AC3_T,AVC_TS_HD_EU_T",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -213,13 +213,13 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/mpeg",
-                    OrgPn="AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
+                    OrgPn = "AVC_TS_HD_24_AC3_ISO,AVC_TS_HD_50_AC3_ISO,AVC_TS_HD_60_AC3_ISO,AVC_TS_HD_EU_ISO",
                     Type = DlnaProfileType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -233,28 +233,28 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="h264",
-                    AudioCodec="ac3,aac,mp3",
+                    VideoCodec = "h264",
+                    AudioCodec = "ac3,aac,mp3",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
+                    OrgPn = "AVC_TS_HD_24_AC3,AVC_TS_HD_50_AC3,AVC_TS_HD_60_AC3,AVC_TS_HD_EU",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "ts,mpegts",
-                    VideoCodec="mpeg2video",
+                    VideoCodec = "mpeg2video",
                     MimeType = "video/vnd.dlna.mpeg-tts",
-                    OrgPn="MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
+                    OrgPn = "MPEG_TS_SD_EU,MPEG_TS_SD_NA,MPEG_TS_SD_KO",
                     Type = DlnaProfileType.Video
                 },
 
                 new ResponseProfile
                 {
                     Container = "mpeg",
-                    VideoCodec="mpeg1video,mpeg2video",
+                    VideoCodec = "mpeg1video,mpeg2video",
                     MimeType = "video/mpeg",
-                    OrgPn="MPEG_PS_NTSC,MPEG_PS_PAL",
+                    OrgPn = "MPEG_PS_NTSC,MPEG_PS_PAL",
                     Type = DlnaProfileType.Video
                 },
                 new ResponseProfile
@@ -265,14 +265,13 @@ namespace Emby.Dlna.Profiles
                 }
             };
 
-
             CodecProfiles = new[]
             {
                 new CodecProfile
                 {
                     Type = CodecType.Video,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -300,7 +299,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "mp3,mp2",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/SonyPs3Profile.cs

@@ -52,7 +52,7 @@ namespace Emby.Dlna.Profiles
                     Container = "ts,mpegts",
                     Type = DlnaProfileType.Video,
                     VideoCodec = "mpeg1video,mpeg2video,h264",
-                    AudioCodec = "ac3,mp2,mp3,aac"
+                    AudioCodec = "aac,ac3,mp2"
                 },
                 new DirectPlayProfile
                 {
@@ -92,7 +92,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Container = "ts",
                     VideoCodec = "h264",
-                    AudioCodec = "ac3,aac,mp3",
+                    AudioCodec = "aac,ac3,mp2",
                     Type = DlnaProfileType.Video
                 },
                 new TranscodingProfile
@@ -108,7 +108,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -133,7 +133,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.Video,
                     Codec = "h264",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -176,7 +176,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -201,7 +201,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "wmapro",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -217,7 +217,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -235,7 +235,7 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "mp4,mov",
-                    AudioCodec="aac",
+                    AudioCodec = "aac",
                     MimeType = "video/mp4",
                     Type = DlnaProfileType.Video
                 },
@@ -244,7 +244,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Container = "avi",
                     MimeType = "video/divx",
-                    OrgPn="AVI",
+                    OrgPn = "AVI",
                     Type = DlnaProfileType.Video
                 },
 

Emby.Dlna/Profiles/SonyPs4Profile.cs

@@ -52,7 +52,7 @@ namespace Emby.Dlna.Profiles
                     Container = "ts,mpegts",
                     Type = DlnaProfileType.Video,
                     VideoCodec = "mpeg1video,mpeg2video,h264",
-                    AudioCodec = "ac3,mp2,mp3,aac"
+                    AudioCodec = "aac,ac3,mp2"
                 },
                 new DirectPlayProfile
                 {
@@ -94,7 +94,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Container = "ts",
                     VideoCodec = "h264",
-                    AudioCodec = "mp3",
+                    AudioCodec = "aac,ac3,mp2",
                     Type = DlnaProfileType.Video
                 },
                 new TranscodingProfile
@@ -110,7 +110,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -135,7 +135,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.Video,
                     Codec = "h264",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -178,7 +178,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "ac3",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -203,7 +203,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "wmapro",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -219,7 +219,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -237,7 +237,7 @@ namespace Emby.Dlna.Profiles
                 new ResponseProfile
                 {
                     Container = "mp4,mov",
-                    AudioCodec="aac",
+                    AudioCodec = "aac",
                     MimeType = "video/mp4",
                     Type = DlnaProfileType.Video
                 },
@@ -246,7 +246,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Container = "avi",
                     MimeType = "video/divx",
-                    OrgPn="AVI",
+                    OrgPn = "AVI",
                     Type = DlnaProfileType.Video
                 },
 

Emby.Dlna/Profiles/WdtvLiveProfile.cs

@@ -20,7 +20,7 @@ namespace Emby.Dlna.Profiles
 
                 Headers = new[]
                 {
-                    new HttpHeaderInfo {Name = "User-Agent", Value = "alphanetworks", Match = HeaderMatchType.Substring},
+                    new HttpHeaderInfo { Name = "User-Agent", Value = "alphanetworks", Match = HeaderMatchType.Substring },
                     new HttpHeaderInfo
                     {
                         Name = "User-Agent",
@@ -168,7 +168,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = DlnaProfileType.Photo,
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -193,7 +193,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.Video,
                     Codec = "h264",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -221,7 +221,7 @@ namespace Emby.Dlna.Profiles
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/XboxOneProfile.cs

@@ -119,7 +119,7 @@ namespace Emby.Dlna.Profiles
                     Type = DlnaProfileType.Video,
                     Container = "mp4,mov",
 
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -138,7 +138,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "mpeg4",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -187,7 +187,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "h264",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -236,7 +236,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.Video,
                     Codec = "wmv2,wmv3,vc1",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -284,7 +284,7 @@ namespace Emby.Dlna.Profiles
                 new CodecProfile
                 {
                     Type = CodecType.Video,
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -307,7 +307,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "ac3,wmav2,wmapro",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {
@@ -323,7 +323,7 @@ namespace Emby.Dlna.Profiles
                 {
                     Type = CodecType.VideoAudio,
                     Codec = "aac",
-                    Conditions = new []
+                    Conditions = new[]
                     {
                         new ProfileCondition
                         {

Emby.Dlna/Profiles/Xml/Sony PlayStation 3.xml

@@ -38,7 +38,7 @@
   <XmlRootAttributes />
   <DirectPlayProfiles>
     <DirectPlayProfile container="avi" audioCodec="mp2,mp3" videoCodec="mpeg4" type="Video" />
-    <DirectPlayProfile container="ts,mpegts" audioCodec="ac3,mp2,mp3,aac" videoCodec="mpeg1video,mpeg2video,h264" type="Video" />
+    <DirectPlayProfile container="ts,mpegts" audioCodec="aac,ac3,mp2" videoCodec="mpeg1video,mpeg2video,h264" type="Video" />
     <DirectPlayProfile container="mpeg" audioCodec="mp2" videoCodec="mpeg1video,mpeg2video" type="Video" />
     <DirectPlayProfile container="mp4" audioCodec="aac,ac3" videoCodec="h264,mpeg4" type="Video" />
     <DirectPlayProfile container="aac,mp3,wav" type="Audio" />
@@ -46,7 +46,7 @@
   </DirectPlayProfiles>
   <TranscodingProfiles>
     <TranscodingProfile container="mp3" type="Audio" audioCodec="mp3" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
-    <TranscodingProfile container="ts" type="Video" videoCodec="h264" audioCodec="ac3,aac,mp3" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
+    <TranscodingProfile container="ts" type="Video" videoCodec="h264" audioCodec="aac,ac3,mp2" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
     <TranscodingProfile container="jpeg" type="Photo" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
   </TranscodingProfiles>
   <ContainerProfiles>

Emby.Dlna/Profiles/Xml/Sony PlayStation 4.xml

@@ -38,7 +38,7 @@
   <XmlRootAttributes />
   <DirectPlayProfiles>
     <DirectPlayProfile container="avi" audioCodec="mp2,mp3" videoCodec="mpeg4" type="Video" />
-    <DirectPlayProfile container="ts,mpegts" audioCodec="ac3,mp2,mp3,aac" videoCodec="mpeg1video,mpeg2video,h264" type="Video" />
+    <DirectPlayProfile container="ts,mpegts" audioCodec="aac,ac3,mp2" videoCodec="mpeg1video,mpeg2video,h264" type="Video" />
     <DirectPlayProfile container="mpeg" audioCodec="mp2" videoCodec="mpeg1video,mpeg2video" type="Video" />
     <DirectPlayProfile container="mp4,mkv,m4v" audioCodec="aac,ac3" videoCodec="h264,mpeg4" type="Video" />
     <DirectPlayProfile container="aac,mp3,wav" type="Audio" />
@@ -46,7 +46,7 @@
   </DirectPlayProfiles>
   <TranscodingProfiles>
     <TranscodingProfile container="mp3" type="Audio" audioCodec="mp3" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Bytes" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
-    <TranscodingProfile container="ts" type="Video" videoCodec="h264" audioCodec="mp3" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
+    <TranscodingProfile container="ts" type="Video" videoCodec="h264" audioCodec="aac,ac3,mp2" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
     <TranscodingProfile container="jpeg" type="Photo" estimateContentLength="false" enableMpegtsM2TsMode="false" transcodeSeekInfo="Auto" copyTimestamps="false" context="Streaming" enableSubtitlesInManifest="false" minSegments="0" segmentLength="0" breakOnNonKeyFrames="false" />
   </TranscodingProfiles>
   <ContainerProfiles>

Emby.Dlna/Properties/AssemblyInfo.cs

@@ -1,5 +1,6 @@
 using System.Reflection;
 using System.Resources;
+using System.Runtime.CompilerServices;
 
 // General Information about an assembly is controlled through the following
 // set of attributes. Change these attribute values to modify the information
@@ -13,6 +14,7 @@ using System.Resources;
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 [assembly: NeutralResourcesLanguage("en")]
+[assembly: InternalsVisibleTo("Jellyfin.Dlna.Tests")]
 
 // Version information for an assembly consists of the following four values:
 //

Emby.Dlna/Server/DescriptionXmlBuilder.cs

@@ -4,6 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
+using System.Security;
 using System.Text;
 using Emby.Dlna.Common;
 using MediaBrowser.Model.Dlna;
@@ -39,8 +40,6 @@ namespace Emby.Dlna.Server
             _serverId = serverId;
         }
 
-        private static bool EnableAbsoluteUrls => false;
-
         public string GetXml()
         {
             var builder = new StringBuilder();
@@ -64,21 +63,16 @@ namespace Emby.Dlna.Server
 
             foreach (var att in attributes)
             {
-                builder.AppendFormat(" {0}=\"{1}\"", att.Name, att.Value);
+                builder.AppendFormat(CultureInfo.InvariantCulture, " {0}=\"{1}\"", att.Name, att.Value);
             }
 
-            builder.Append(">");
+            builder.Append('>');
 
             builder.Append("<specVersion>");
             builder.Append("<major>1</major>");
             builder.Append("<minor>0</minor>");
             builder.Append("</specVersion>");
 
-            if (!EnableAbsoluteUrls)
-            {
-                builder.Append("<URLBase>" + Escape(_serverAddress) + "</URLBase>");
-            }
-
             AppendDeviceInfo(builder);
 
             builder.Append("</root>");
@@ -93,91 +87,14 @@ namespace Emby.Dlna.Server
 
             AppendIconList(builder);
 
-            builder.Append("<presentationURL>" + Escape(_serverAddress) + "/web/index.html</presentationURL>");
+            builder.Append("<presentationURL>")
+                .Append(SecurityElement.Escape(_serverAddress))
+                .Append("/web/index.html</presentationURL>");
 
             AppendServiceList(builder);
             builder.Append("</device>");
         }
 
-        private static readonly char[] s_escapeChars = new char[]
-        {
-            '<',
-            '>',
-            '"',
-            '\'',
-            '&'
-        };
-
-        private static readonly string[] s_escapeStringPairs = new[]
-        {
-            "<",
-            "&lt;",
-            ">",
-            "&gt;",
-            "\"",
-            "&quot;",
-            "'",
-            "&apos;",
-            "&",
-            "&amp;"
-        };
-
-        private static string GetEscapeSequence(char c)
-        {
-            int num = s_escapeStringPairs.Length;
-            for (int i = 0; i < num; i += 2)
-            {
-                string text = s_escapeStringPairs[i];
-                string result = s_escapeStringPairs[i + 1];
-                if (text[0] == c)
-                {
-                    return result;
-                }
-            }
-
-            return c.ToString(CultureInfo.InvariantCulture);
-        }
-
-        /// <summary>Replaces invalid XML characters in a string with their valid XML equivalent.</summary>
-        /// <returns>The input string with invalid characters replaced.</returns>
-        /// <param name="str">The string within which to escape invalid characters. </param>
-        public static string Escape(string str)
-        {
-            if (str == null)
-            {
-                return null;
-            }
-
-            StringBuilder stringBuilder = null;
-            int length = str.Length;
-            int num = 0;
-            while (true)
-            {
-                int num2 = str.IndexOfAny(s_escapeChars, num);
-                if (num2 == -1)
-                {
-                    break;
-                }
-
-                if (stringBuilder == null)
-                {
-                    stringBuilder = new StringBuilder();
-                }
-
-                stringBuilder.Append(str, num, num2 - num);
-                stringBuilder.Append(GetEscapeSequence(str[num2]));
-                num = num2 + 1;
-            }
-
-            if (stringBuilder == null)
-            {
-                return str;
-            }
-
-            stringBuilder.Append(str, num, length - num);
-            return stringBuilder.ToString();
-        }
-
         private void AppendDeviceProperties(StringBuilder builder)
         {
             builder.Append("<dlna:X_DLNACAP/>");
@@ -187,32 +104,54 @@ namespace Emby.Dlna.Server
 
             builder.Append("<deviceType>urn:schemas-upnp-org:device:MediaServer:1</deviceType>");
 
-            builder.Append("<friendlyName>" + Escape(GetFriendlyName()) + "</friendlyName>");
-            builder.Append("<manufacturer>" + Escape(_profile.Manufacturer ?? string.Empty) + "</manufacturer>");
-            builder.Append("<manufacturerURL>" + Escape(_profile.ManufacturerUrl ?? string.Empty) + "</manufacturerURL>");
+            builder.Append("<friendlyName>")
+                .Append(SecurityElement.Escape(GetFriendlyName()))
+                .Append("</friendlyName>");
+            builder.Append("<manufacturer>")
+                .Append(SecurityElement.Escape(_profile.Manufacturer ?? string.Empty))
+                .Append("</manufacturer>");
+            builder.Append("<manufacturerURL>")
+                .Append(SecurityElement.Escape(_profile.ManufacturerUrl ?? string.Empty))
+                .Append("</manufacturerURL>");
 
-            builder.Append("<modelDescription>" + Escape(_profile.ModelDescription ?? string.Empty) + "</modelDescription>");
-            builder.Append("<modelName>" + Escape(_profile.ModelName ?? string.Empty) + "</modelName>");
+            builder.Append("<modelDescription>")
+                .Append(SecurityElement.Escape(_profile.ModelDescription ?? string.Empty))
+                .Append("</modelDescription>");
+            builder.Append("<modelName>")
+                .Append(SecurityElement.Escape(_profile.ModelName ?? string.Empty))
+                .Append("</modelName>");
 
-            builder.Append("<modelNumber>" + Escape(_profile.ModelNumber ?? string.Empty) + "</modelNumber>");
-            builder.Append("<modelURL>" + Escape(_profile.ModelUrl ?? string.Empty) + "</modelURL>");
+            builder.Append("<modelNumber>")
+                .Append(SecurityElement.Escape(_profile.ModelNumber ?? string.Empty))
+                .Append("</modelNumber>");
+            builder.Append("<modelURL>")
+                .Append(SecurityElement.Escape(_profile.ModelUrl ?? string.Empty))
+                .Append("</modelURL>");
 
             if (string.IsNullOrEmpty(_profile.SerialNumber))
             {
-                builder.Append("<serialNumber>" + Escape(_serverId) + "</serialNumber>");
+                builder.Append("<serialNumber>")
+                    .Append(SecurityElement.Escape(_serverId))
+                    .Append("</serialNumber>");
             }
             else
             {
-                builder.Append("<serialNumber>" + Escape(_profile.SerialNumber) + "</serialNumber>");
+                builder.Append("<serialNumber>")
+                    .Append(SecurityElement.Escape(_profile.SerialNumber))
+                    .Append("</serialNumber>");
             }
 
             builder.Append("<UPC/>");
 
-            builder.Append("<UDN>uuid:" + Escape(_serverUdn) + "</UDN>");
+            builder.Append("<UDN>uuid:")
+                .Append(SecurityElement.Escape(_serverUdn))
+                .Append("</UDN>");
 
             if (!string.IsNullOrEmpty(_profile.SonyAggregationFlags))
             {
-                builder.Append("<av:aggregationFlags xmlns:av=\"urn:schemas-sony-com:av\">" + Escape(_profile.SonyAggregationFlags) + "</av:aggregationFlags>");
+                builder.Append("<av:aggregationFlags xmlns:av=\"urn:schemas-sony-com:av\">")
+                    .Append(SecurityElement.Escape(_profile.SonyAggregationFlags))
+                    .Append("</av:aggregationFlags>");
             }
         }
 
@@ -250,11 +189,21 @@ namespace Emby.Dlna.Server
             {
                 builder.Append("<icon>");
 
-                builder.Append("<mimetype>" + Escape(icon.MimeType ?? string.Empty) + "</mimetype>");
-                builder.Append("<width>" + Escape(icon.Width.ToString(_usCulture)) + "</width>");
-                builder.Append("<height>" + Escape(icon.Height.ToString(_usCulture)) + "</height>");
-                builder.Append("<depth>" + Escape(icon.Depth ?? string.Empty) + "</depth>");
-                builder.Append("<url>" + BuildUrl(icon.Url) + "</url>");
+                builder.Append("<mimetype>")
+                    .Append(SecurityElement.Escape(icon.MimeType ?? string.Empty))
+                    .Append("</mimetype>");
+                builder.Append("<width>")
+                    .Append(SecurityElement.Escape(icon.Width.ToString(_usCulture)))
+                    .Append("</width>");
+                builder.Append("<height>")
+                    .Append(SecurityElement.Escape(icon.Height.ToString(_usCulture)))
+                    .Append("</height>");
+                builder.Append("<depth>")
+                    .Append(SecurityElement.Escape(icon.Depth ?? string.Empty))
+                    .Append("</depth>");
+                builder.Append("<url>")
+                    .Append(BuildUrl(icon.Url))
+                    .Append("</url>");
 
                 builder.Append("</icon>");
             }
@@ -270,11 +219,21 @@ namespace Emby.Dlna.Server
             {
                 builder.Append("<service>");
 
-                builder.Append("<serviceType>" + Escape(service.ServiceType ?? string.Empty) + "</serviceType>");
-                builder.Append("<serviceId>" + Escape(service.ServiceId ?? string.Empty) + "</serviceId>");
-                builder.Append("<SCPDURL>" + BuildUrl(service.ScpdUrl) + "</SCPDURL>");
-                builder.Append("<controlURL>" + BuildUrl(service.ControlUrl) + "</controlURL>");
-                builder.Append("<eventSubURL>" + BuildUrl(service.EventSubUrl) + "</eventSubURL>");
+                builder.Append("<serviceType>")
+                    .Append(SecurityElement.Escape(service.ServiceType ?? string.Empty))
+                    .Append("</serviceType>");
+                builder.Append("<serviceId>")
+                    .Append(SecurityElement.Escape(service.ServiceId ?? string.Empty))
+                    .Append("</serviceId>");
+                builder.Append("<SCPDURL>")
+                    .Append(BuildUrl(service.ScpdUrl))
+                    .Append("</SCPDURL>");
+                builder.Append("<controlURL>")
+                    .Append(BuildUrl(service.ControlUrl))
+                    .Append("</controlURL>");
+                builder.Append("<eventSubURL>")
+                    .Append(BuildUrl(service.EventSubUrl))
+                    .Append("</eventSubURL>");
 
                 builder.Append("</service>");
             }
@@ -289,16 +248,9 @@ namespace Emby.Dlna.Server
                 return string.Empty;
             }
 
-            url = url.TrimStart('/');
+            url = _serverAddress.TrimEnd('/') + "/dlna/" + _serverUdn + "/" + url.TrimStart('/');
 
-            url = "/dlna/" + _serverUdn + "/" + url;
-
-            if (EnableAbsoluteUrls)
-            {
-                url = _serverAddress.TrimEnd('/') + url;
-            }
-
-            return Escape(url);
+            return SecurityElement.Escape(url);
         }
 
         private IEnumerable<DeviceIcon> GetIcons()

Emby.Dlna/Service/BaseControlHandler.cs

@@ -15,11 +15,7 @@ namespace Emby.Dlna.Service
 {
     public abstract class BaseControlHandler
     {
-        private const string NS_SOAPENV = "http://schemas.xmlsoap.org/soap/envelope/";
-
-        protected IServerConfigurationManager Config { get; }
-
-        protected ILogger Logger { get; }
+        private const string NsSoapEnv = "http://schemas.xmlsoap.org/soap/envelope/";
 
         protected BaseControlHandler(IServerConfigurationManager config, ILogger logger)
         {
@@ -27,6 +23,10 @@ namespace Emby.Dlna.Service
             Logger = logger;
         }
 
+        protected IServerConfigurationManager Config { get; }
+
+        protected ILogger Logger { get; }
+
         public async Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
         {
             try
@@ -60,10 +60,8 @@ namespace Emby.Dlna.Service
                     Async = true
                 };
 
-                using (var reader = XmlReader.Create(streamReader, readerSettings))
-                {
-                    requestInfo = await ParseRequestAsync(reader).ConfigureAwait(false);
-                }
+                using var reader = XmlReader.Create(streamReader, readerSettings);
+                requestInfo = await ParseRequestAsync(reader).ConfigureAwait(false);
             }
 
             Logger.LogDebug("Received control request {0}", requestInfo.LocalName);
@@ -80,10 +78,10 @@ namespace Emby.Dlna.Service
             {
                 writer.WriteStartDocument(true);
 
-                writer.WriteStartElement("SOAP-ENV", "Envelope", NS_SOAPENV);
-                writer.WriteAttributeString(string.Empty, "encodingStyle", NS_SOAPENV, "http://schemas.xmlsoap.org/soap/encoding/");
+                writer.WriteStartElement("SOAP-ENV", "Envelope", NsSoapEnv);
+                writer.WriteAttributeString(string.Empty, "encodingStyle", NsSoapEnv, "http://schemas.xmlsoap.org/soap/encoding/");
 
-                writer.WriteStartElement("SOAP-ENV", "Body", NS_SOAPENV);
+                writer.WriteStartElement("SOAP-ENV", "Body", NsSoapEnv);
                 writer.WriteStartElement("u", requestInfo.LocalName + "Response", requestInfo.NamespaceURI);
 
                 WriteResult(requestInfo.LocalName, requestInfo.Headers, writer);
@@ -124,10 +122,8 @@ namespace Emby.Dlna.Service
                             {
                                 if (!reader.IsEmptyElement)
                                 {
-                                    using (var subReader = reader.ReadSubtree())
-                                    {
-                                        return await ParseBodyTagAsync(subReader).ConfigureAwait(false);
-                                    }
+                                    using var subReader = reader.ReadSubtree();
+                                    return await ParseBodyTagAsync(subReader).ConfigureAwait(false);
                                 }
                                 else
                                 {
@@ -150,12 +146,12 @@ namespace Emby.Dlna.Service
                 }
             }
 
-            return new ControlRequestInfo();
+            throw new EndOfStreamException("Stream ended but no body tag found.");
         }
 
         private async Task<ControlRequestInfo> ParseBodyTagAsync(XmlReader reader)
         {
-            var result = new ControlRequestInfo();
+            string namespaceURI = null, localName = null;
 
             await reader.MoveToContentAsync().ConfigureAwait(false);
             await reader.ReadAsync().ConfigureAwait(false);
@@ -165,16 +161,15 @@ namespace Emby.Dlna.Service
             {
                 if (reader.NodeType == XmlNodeType.Element)
                 {
-                    result.LocalName = reader.LocalName;
-                    result.NamespaceURI = reader.NamespaceURI;
+                    localName = reader.LocalName;
+                    namespaceURI = reader.NamespaceURI;
 
                     if (!reader.IsEmptyElement)
                     {
-                        using (var subReader = reader.ReadSubtree())
-                        {
-                            await ParseFirstBodyChildAsync(subReader, result.Headers).ConfigureAwait(false);
-                            return result;
-                        }
+                        var result = new ControlRequestInfo(localName, namespaceURI);
+                        using var subReader = reader.ReadSubtree();
+                        await ParseFirstBodyChildAsync(subReader, result.Headers).ConfigureAwait(false);
+                        return result;
                     }
                     else
                     {
@@ -187,7 +182,12 @@ namespace Emby.Dlna.Service
                 }
             }
 
-            return result;
+            if (localName != null && namespaceURI != null)
+            {
+                return new ControlRequestInfo(localName, namespaceURI);
+            }
+
+            throw new EndOfStreamException("Stream ended but no control found.");
         }
 
         private async Task ParseFirstBodyChildAsync(XmlReader reader, IDictionary<string, string> headers)
@@ -210,15 +210,6 @@ namespace Emby.Dlna.Service
             }
         }
 
-        private class ControlRequestInfo
-        {
-            public string LocalName { get; set; }
-
-            public string NamespaceURI { get; set; }
-
-            public Dictionary<string, string> Headers { get; } = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-        }
-
         protected abstract void WriteResult(string methodName, IDictionary<string, string> methodParams, XmlWriter xmlWriter);
 
         private void LogRequest(ControlRequest request)
@@ -240,5 +231,21 @@ namespace Emby.Dlna.Service
 
             Logger.LogDebug("Control response. Headers: {@Headers}\n{Xml}", response.Headers, response.Xml);
         }
+
+        private class ControlRequestInfo
+        {
+            public ControlRequestInfo(string localName, string namespaceUri)
+            {
+                LocalName = localName;
+                NamespaceURI = namespaceUri;
+                Headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            }
+
+            public string LocalName { get; set; }
+
+            public string NamespaceURI { get; set; }
+
+            public Dictionary<string, string> Headers { get; }
+        }
     }
 }