restored live tv playback in the web client

MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs

@@ -0,0 +1,91 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public class AudioEncoder
+    {
+        private readonly string _ffmpegPath;
+        private readonly ILogger _logger;
+        private readonly IFileSystem _fileSystem;
+        private readonly IApplicationPaths _appPaths;
+        private readonly IIsoManager _isoManager;
+        private readonly ILiveTvManager _liveTvManager;
+
+        private readonly CultureInfo _usCulture = new CultureInfo("en-US");
+
+        public AudioEncoder(string ffmpegPath, ILogger logger, IFileSystem fileSystem, IApplicationPaths appPaths, IIsoManager isoManager, ILiveTvManager liveTvManager)
+        {
+            _ffmpegPath = ffmpegPath;
+            _logger = logger;
+            _fileSystem = fileSystem;
+            _appPaths = appPaths;
+            _isoManager = isoManager;
+            _liveTvManager = liveTvManager;
+        }
+
+        public Task BeginEncoding(InternalEncodingTask task)
+        {
+            return new FFMpegProcess(_ffmpegPath, _logger, _fileSystem, _appPaths, _isoManager, _liveTvManager).Start(task, GetArguments);
+        }
+
+        private string GetArguments(InternalEncodingTask task, string mountedPath)
+        {
+            var options = task.Request;
+
+            return string.Format("{0} -i {1} {2} -id3v2_version 3 -write_id3v1 1 \"{3}\"",
+                GetInputModifier(task),
+                GetInputArgument(task),
+                GetOutputModifier(task),
+                options.OutputPath).Trim();
+        }
+
+        private string GetInputModifier(InternalEncodingTask task)
+        {
+            return EncodingUtils.GetInputModifier(task);
+        }
+
+        private string GetInputArgument(InternalEncodingTask task)
+        {
+            return EncodingUtils.GetInputArgument(new List<string> { task.MediaPath }, task.IsInputRemote);
+        }
+
+        private string GetOutputModifier(InternalEncodingTask task)
+        {
+            var options = task.Request;
+
+            var audioTranscodeParams = new List<string>
+            {
+                "-threads " + EncodingUtils.GetNumberOfThreads(task, false).ToString(_usCulture),
+                "-vn"
+            };
+
+            var bitrate = EncodingUtils.GetAudioBitrateParam(task);
+
+            if (bitrate.HasValue)
+            {
+                audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(_usCulture));
+            }
+
+            var channels = EncodingUtils.GetNumAudioChannelsParam(options, task.AudioStream);
+
+            if (channels.HasValue)
+            {
+                audioTranscodeParams.Add("-ac " + channels.Value);
+            }
+
+            if (options.AudioSampleRate.HasValue)
+            {
+                audioTranscodeParams.Add("-ar " + options.AudioSampleRate.Value);
+            }
+
+            return string.Join(" ", audioTranscodeParams.ToArray());
+        }
+    }
+}

MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs

@@ -0,0 +1,233 @@
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public static class EncodingUtils
+    {
+        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+        
+        public static string GetInputArgument(List<string> inputFiles, bool isRemote)
+        {
+            if (isRemote)
+            {
+                return GetHttpInputArgument(inputFiles);
+            }
+
+            return GetConcatInputArgument(inputFiles);
+        }
+
+        /// <summary>
+        /// Gets the concat input argument.
+        /// </summary>
+        /// <param name="inputFiles">The input files.</param>
+        /// <returns>System.String.</returns>
+        private static string GetConcatInputArgument(List<string> inputFiles)
+        {
+            // Get all streams
+            // If there's more than one we'll need to use the concat command
+            if (inputFiles.Count > 1)
+            {
+                var files = string.Join("|", inputFiles);
+
+                return string.Format("concat:\"{0}\"", files);
+            }
+
+            // Determine the input path for video files
+            return GetFileInputArgument(inputFiles[0]);
+        }
+
+        /// <summary>
+        /// Gets the file input argument.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>System.String.</returns>
+        private static string GetFileInputArgument(string path)
+        {
+            return string.Format("file:\"{0}\"", path);
+        }
+
+        /// <summary>
+        /// Gets the HTTP input argument.
+        /// </summary>
+        /// <param name="inputFiles">The input files.</param>
+        /// <returns>System.String.</returns>
+        private static string GetHttpInputArgument(IEnumerable<string> inputFiles)
+        {
+            var url = inputFiles.First();
+
+            return string.Format("\"{0}\"", url);
+        }
+
+        public static string GetAudioInputModifier(InternalEncodingTask options)
+        {
+            return GetCommonInputModifier(options);
+        }
+
+        public static string GetInputModifier(InternalEncodingTask options)
+        {
+            var inputModifier = GetCommonInputModifier(options);
+
+            //if (state.VideoRequest != null)
+            //{
+            //    inputModifier += " -fflags genpts";
+            //}
+
+            //if (!string.IsNullOrEmpty(state.InputVideoCodec))
+            //{
+            //    inputModifier += " -vcodec " + state.InputVideoCodec;
+            //}
+
+            //if (!string.IsNullOrEmpty(state.InputVideoSync))
+            //{
+            //    inputModifier += " -vsync " + state.InputVideoSync;
+            //}
+
+            return inputModifier;
+        }
+
+        private static string GetCommonInputModifier(InternalEncodingTask options)
+        {
+            var inputModifier = string.Empty;
+
+            if (options.EnableDebugLogging)
+            {
+                inputModifier += "-loglevel debug";
+            }
+
+            var probeSize = GetProbeSizeArgument(options.InputVideoType.HasValue && options.InputVideoType.Value == VideoType.Dvd);
+            inputModifier += " " + probeSize;
+            inputModifier = inputModifier.Trim();
+
+            if (!string.IsNullOrWhiteSpace(options.UserAgent))
+            {
+                inputModifier += " -user-agent \"" + options.UserAgent + "\"";
+            }
+
+            inputModifier += " " + GetFastSeekValue(options.Request);
+            inputModifier = inputModifier.Trim();
+
+            if (!string.IsNullOrEmpty(options.InputFormat))
+            {
+                inputModifier += " -f " + options.InputFormat;
+            }
+
+            if (!string.IsNullOrEmpty(options.InputAudioCodec))
+            {
+                inputModifier += " -acodec " + options.InputAudioCodec;
+            }
+
+            if (!string.IsNullOrEmpty(options.InputAudioSync))
+            {
+                inputModifier += " -async " + options.InputAudioSync;
+            }
+
+            if (options.ReadInputAtNativeFramerate)
+            {
+                inputModifier += " -re";
+            }
+
+            return inputModifier;
+        }
+
+        private static string GetFastSeekValue(EncodingOptions options)
+        {
+            var time = options.StartTimeTicks;
+
+            if (time.HasValue)
+            {
+                var seconds = TimeSpan.FromTicks(time.Value).TotalSeconds;
+
+                if (seconds > 0)
+                {
+                    return string.Format("-ss {0}", seconds.ToString(UsCulture));
+                }
+            }
+
+            return string.Empty;
+        }
+
+        public static string GetProbeSizeArgument(bool isDvd)
+        {
+            return isDvd ? "-probesize 1G -analyzeduration 200M" : string.Empty;
+        }
+
+        public static int? GetAudioBitrateParam(InternalEncodingTask task)
+        {
+            if (task.Request.AudioBitRate.HasValue)
+            {
+                // Make sure we don't request a bitrate higher than the source
+                var currentBitrate = task.AudioStream == null ? task.Request.AudioBitRate.Value : task.AudioStream.BitRate ?? task.Request.AudioBitRate.Value;
+
+                return Math.Min(currentBitrate, task.Request.AudioBitRate.Value);
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Gets the number of audio channels to specify on the command line
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="audioStream">The audio stream.</param>
+        /// <returns>System.Nullable{System.Int32}.</returns>
+        public static int? GetNumAudioChannelsParam(EncodingOptions request, MediaStream audioStream)
+        {
+            if (audioStream != null)
+            {
+                if (audioStream.Channels > 2 && string.Equals(request.AudioCodec, "wma", StringComparison.OrdinalIgnoreCase))
+                {
+                    // wmav2 currently only supports two channel output
+                    return 2;
+                }
+            }
+
+            if (request.MaxAudioChannels.HasValue)
+            {
+                if (audioStream != null && audioStream.Channels.HasValue)
+                {
+                    return Math.Min(request.MaxAudioChannels.Value, audioStream.Channels.Value);
+                }
+
+                return request.MaxAudioChannels.Value;
+            }
+
+            return request.AudioChannels;
+        }
+
+        public static int GetNumberOfThreads(InternalEncodingTask state, bool isWebm)
+        {
+            // Use more when this is true. -re will keep cpu usage under control
+            if (state.ReadInputAtNativeFramerate)
+            {
+                if (isWebm)
+                {
+                    return Math.Max(Environment.ProcessorCount - 1, 1);
+                }
+
+                return 0;
+            }
+
+            // Webm: http://www.webmproject.org/docs/encoder-parameters/
+            // The decoder will usually automatically use an appropriate number of threads according to how many cores are available but it can only use multiple threads 
+            // for the coefficient data if the encoder selected --token-parts > 0 at encode time.
+
+            switch (state.QualitySetting)
+            {
+                case EncodingQuality.HighSpeed:
+                    return 2;
+                case EncodingQuality.HighQuality:
+                    return 2;
+                case EncodingQuality.MaxQuality:
+                    return isWebm ? 2 : 0;
+                default:
+                    throw new Exception("Unrecognized MediaEncodingQuality value.");
+            }
+        }
+    }
+}

MediaBrowser.MediaEncoding/Encoder/FFMpegProcess.cs

@@ -0,0 +1,168 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public class FFMpegProcess : IDisposable
+    {
+        private readonly string _ffmpegPath;
+        private readonly ILogger _logger;
+        private readonly IFileSystem _fileSystem;
+        private readonly IApplicationPaths _appPaths;
+        private readonly IIsoManager _isoManager;
+        private readonly ILiveTvManager _liveTvManager;
+
+        private Stream _logFileStream;
+        private InternalEncodingTask _task;
+        private IIsoMount _isoMount;
+
+        public FFMpegProcess(string ffmpegPath, ILogger logger, IFileSystem fileSystem, IApplicationPaths appPaths, IIsoManager isoManager, ILiveTvManager liveTvManager)
+        {
+            _ffmpegPath = ffmpegPath;
+            _logger = logger;
+            _fileSystem = fileSystem;
+            _appPaths = appPaths;
+            _isoManager = isoManager;
+            _liveTvManager = liveTvManager;
+        }
+
+        public async Task Start(InternalEncodingTask task, Func<InternalEncodingTask,string,string> argumentsFactory)
+        {
+            _task = task;
+            if (!File.Exists(_ffmpegPath))
+            {
+                throw new InvalidOperationException("ffmpeg was not found at " + _ffmpegPath);
+            }
+
+            Directory.CreateDirectory(Path.GetDirectoryName(task.Request.OutputPath));
+
+            string mountedPath = null;
+            if (task.InputVideoType.HasValue && task.InputVideoType == VideoType.Iso && task.IsoType.HasValue)
+            {
+                if (_isoManager.CanMount(task.MediaPath))
+                {
+                    _isoMount = await _isoManager.Mount(task.MediaPath, CancellationToken.None).ConfigureAwait(false);
+                    mountedPath = _isoMount.MountedPath;
+                }
+            }
+            
+            var process = new Process
+            {
+                StartInfo = new ProcessStartInfo
+                {
+                    CreateNoWindow = true,
+                    UseShellExecute = false,
+
+                    // Must consume both stdout and stderr or deadlocks may occur
+                    RedirectStandardOutput = true,
+                    RedirectStandardError = true,
+
+                    FileName = _ffmpegPath,
+                    WorkingDirectory = Path.GetDirectoryName(_ffmpegPath),
+                    Arguments = argumentsFactory(task, mountedPath),
+
+                    WindowStyle = ProcessWindowStyle.Hidden,
+                    ErrorDialog = false
+                },
+
+                EnableRaisingEvents = true
+            };
+
+            _logger.Info(process.StartInfo.FileName + " " + process.StartInfo.Arguments);
+
+            var logFilePath = Path.Combine(_appPaths.LogDirectoryPath, "ffmpeg-" + task.Id + ".txt");
+            Directory.CreateDirectory(Path.GetDirectoryName(logFilePath));
+
+            // FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
+            _logFileStream = _fileSystem.GetFileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, true);
+
+            process.Exited += process_Exited;
+
+            try
+            {
+                process.Start();
+            }
+            catch (Exception ex)
+            {
+                _logger.ErrorException("Error starting ffmpeg", ex);
+
+                task.OnError();
+
+                DisposeLogFileStream();
+
+                process.Dispose();
+
+                throw;
+            }
+
+            task.OnBegin();
+
+            // MUST read both stdout and stderr asynchronously or a deadlock may occurr
+            process.BeginOutputReadLine();
+
+#pragma warning disable 4014
+            // Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
+            process.StandardError.BaseStream.CopyToAsync(_logFileStream);
+#pragma warning restore 4014
+        }
+
+        async void process_Exited(object sender, EventArgs e)
+        {
+            var process = (Process)sender;
+
+            if (_isoMount != null)
+            {
+                _isoMount.Dispose();
+                _isoMount = null;
+            }
+
+            DisposeLogFileStream();
+
+            try
+            {
+                _logger.Info("FFMpeg exited with code {0} for {1}", process.ExitCode, _task.Request.OutputPath);
+            }
+            catch
+            {
+                _logger.Info("FFMpeg exited with an error for {0}", _task.Request.OutputPath);
+            }
+
+            _task.OnCompleted();
+            
+            if (!string.IsNullOrEmpty(_task.LiveTvStreamId))
+            {
+                try
+                {
+                    await _liveTvManager.CloseLiveStream(_task.LiveTvStreamId, CancellationToken.None).ConfigureAwait(false);
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error closing live tv stream", ex);
+                }
+            }
+        }
+
+        public void Dispose()
+        {
+            DisposeLogFileStream();
+        }
+
+        private void DisposeLogFileStream()
+        {
+            if (_logFileStream != null)
+            {
+                _logFileStream.Dispose();
+                _logFileStream = null;
+            }
+        }
+    }
+}

MediaBrowser.MediaEncoding/Encoder/InternalEncodingTask.cs

@@ -0,0 +1,95 @@
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public class InternalEncodingTask
+    {
+        public string Id { get; set; }
+
+        public CancellationTokenSource CancellationTokenSource { get; set; }
+
+        public double ProgressPercentage { get; set; }
+
+        public EncodingOptions Request { get; set; }
+
+        public VideoEncodingOptions VideoRequest
+        {
+            get { return Request as VideoEncodingOptions; }
+        }
+
+        public string MediaPath { get; set; }
+        public List<string> StreamFileNames { get; set; }
+        public bool IsInputRemote { get; set; }
+
+        public VideoType? InputVideoType { get; set; }
+        public IsoType? IsoType { get; set; }
+        public long? InputRunTimeTicks;
+
+        public string AudioSync = "1";
+        public string VideoSync = "vfr";
+
+        public string InputAudioSync { get; set; }
+        public string InputVideoSync { get; set; }
+
+        public bool DeInterlace { get; set; }
+
+        public bool ReadInputAtNativeFramerate { get; set; }
+
+        public string InputFormat { get; set; }
+
+        public string InputVideoCodec { get; set; }
+
+        public string InputAudioCodec { get; set; }
+
+        public string LiveTvStreamId { get; set; }
+
+        public MediaStream AudioStream { get; set; }
+        public MediaStream VideoStream { get; set; }
+        public MediaStream SubtitleStream { get; set; }
+        public bool HasMediaStreams { get; set; }
+
+        public int SegmentLength = 10;
+        public int HlsListSize;
+
+        public string MimeType { get; set; }
+        public string OrgPn { get; set; }
+        public bool EnableMpegtsM2TsMode { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user agent.
+        /// </summary>
+        /// <value>The user agent.</value>
+        public string UserAgent { get; set; }
+
+        public EncodingQuality QualitySetting { get; set; }
+
+        public InternalEncodingTask()
+        {
+            Id = Guid.NewGuid().ToString("N");
+            CancellationTokenSource = new CancellationTokenSource();
+            StreamFileNames = new List<string>();
+        }
+
+        public bool EnableDebugLogging { get; set; }
+
+        internal void OnBegin()
+        {
+            
+        }
+
+        internal void OnCompleted()
+        {
+            
+        }
+
+        internal void OnError()
+        {
+            
+        }
+    }
+}

MediaBrowser.MediaEncoding/Encoder/InternalEncodingTaskFactory.cs

@@ -0,0 +1,323 @@
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Dlna;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.LiveTv;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public class InternalEncodingTaskFactory
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly ILiveTvManager _liveTvManager;
+        private readonly IItemRepository _itemRepo;
+        private readonly IServerConfigurationManager _config;
+
+        public InternalEncodingTaskFactory(ILibraryManager libraryManager, ILiveTvManager liveTvManager, IItemRepository itemRepo, IServerConfigurationManager config)
+        {
+            _libraryManager = libraryManager;
+            _liveTvManager = liveTvManager;
+            _itemRepo = itemRepo;
+            _config = config;
+        }
+
+        public async Task<InternalEncodingTask> Create(EncodingOptions request, CancellationToken cancellationToken)
+        {
+            ValidateInput(request);
+
+            var state = new InternalEncodingTask
+            {
+                Request = request
+            };
+
+            var item = string.IsNullOrEmpty(request.MediaSourceId) ?
+                _libraryManager.GetItemById(new Guid(request.ItemId)) :
+                _libraryManager.GetItemById(new Guid(request.MediaSourceId));
+
+            if (item is ILiveTvRecording)
+            {
+                var recording = await _liveTvManager.GetInternalRecording(request.ItemId, cancellationToken).ConfigureAwait(false);
+
+                if (string.Equals(recording.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
+                {
+                    state.InputVideoType = VideoType.VideoFile;
+                }
+
+                var path = recording.RecordingInfo.Path;
+                var mediaUrl = recording.RecordingInfo.Url;
+
+                if (string.IsNullOrWhiteSpace(path) && string.IsNullOrWhiteSpace(mediaUrl))
+                {
+                    var streamInfo = await _liveTvManager.GetRecordingStream(request.ItemId, cancellationToken).ConfigureAwait(false);
+
+                    state.LiveTvStreamId = streamInfo.Id;
+
+                    path = streamInfo.Path;
+                    mediaUrl = streamInfo.Url;
+                }
+
+                if (!string.IsNullOrEmpty(path) && File.Exists(path))
+                {
+                    state.MediaPath = path;
+                    state.IsInputRemote = false;
+                }
+                else if (!string.IsNullOrEmpty(mediaUrl))
+                {
+                    state.MediaPath = mediaUrl;
+                    state.IsInputRemote = true;
+                }
+
+                state.InputRunTimeTicks = recording.RunTimeTicks;
+                if (recording.RecordingInfo.Status == RecordingStatus.InProgress && !state.IsInputRemote)
+                {
+                    await Task.Delay(1000, cancellationToken).ConfigureAwait(false);
+                }
+
+                state.ReadInputAtNativeFramerate = recording.RecordingInfo.Status == RecordingStatus.InProgress;
+                state.AudioSync = "1000";
+                state.DeInterlace = true;
+                state.InputVideoSync = "-1";
+                state.InputAudioSync = "1";
+            }
+            else if (item is LiveTvChannel)
+            {
+                var channel = _liveTvManager.GetInternalChannel(request.ItemId);
+
+                if (string.Equals(channel.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
+                {
+                    state.InputVideoType = VideoType.VideoFile;
+                }
+
+                var streamInfo = await _liveTvManager.GetChannelStream(request.ItemId, cancellationToken).ConfigureAwait(false);
+
+                state.LiveTvStreamId = streamInfo.Id;
+
+                if (!string.IsNullOrEmpty(streamInfo.Path) && File.Exists(streamInfo.Path))
+                {
+                    state.MediaPath = streamInfo.Path;
+                    state.IsInputRemote = false;
+
+                    await Task.Delay(1000, cancellationToken).ConfigureAwait(false);
+                }
+                else if (!string.IsNullOrEmpty(streamInfo.Url))
+                {
+                    state.MediaPath = streamInfo.Url;
+                    state.IsInputRemote = true;
+                }
+
+                state.ReadInputAtNativeFramerate = true;
+                state.AudioSync = "1000";
+                state.DeInterlace = true;
+                state.InputVideoSync = "-1";
+                state.InputAudioSync = "1";
+            }
+            else
+            {
+                state.MediaPath = item.Path;
+                state.IsInputRemote = item.LocationType == LocationType.Remote;
+
+                var video = item as Video;
+
+                if (video != null)
+                {
+                    state.InputVideoType = video.VideoType;
+                    state.IsoType = video.IsoType;
+
+                    state.StreamFileNames = video.PlayableStreamFileNames.ToList();
+                }
+
+                state.InputRunTimeTicks = item.RunTimeTicks;
+            }
+
+            var videoRequest = request as VideoEncodingOptions;
+
+            var mediaStreams = _itemRepo.GetMediaStreams(new MediaStreamQuery
+            {
+                ItemId = item.Id
+
+            }).ToList();
+
+            if (videoRequest != null)
+            {
+                state.VideoStream = GetMediaStream(mediaStreams, videoRequest.VideoStreamIndex, MediaStreamType.Video);
+                state.SubtitleStream = GetMediaStream(mediaStreams, videoRequest.SubtitleStreamIndex, MediaStreamType.Subtitle, false);
+                state.AudioStream = GetMediaStream(mediaStreams, videoRequest.AudioStreamIndex, MediaStreamType.Audio);
+
+                if (state.VideoStream != null && state.VideoStream.IsInterlaced)
+                {
+                    state.DeInterlace = true;
+                }
+            }
+            else
+            {
+                state.AudioStream = GetMediaStream(mediaStreams, null, MediaStreamType.Audio, true);
+            }
+
+            state.HasMediaStreams = mediaStreams.Count > 0;
+
+            state.SegmentLength = state.ReadInputAtNativeFramerate ? 5 : 10;
+            state.HlsListSize = state.ReadInputAtNativeFramerate ? 100 : 1440;
+
+            state.QualitySetting = GetQualitySetting();
+
+            ApplyDeviceProfileSettings(state);
+
+            return state;
+        }
+
+        private void ValidateInput(EncodingOptions request)
+        {
+            if (string.IsNullOrWhiteSpace(request.ItemId))
+            {
+                throw new ArgumentException("ItemId is required.");
+            }
+            if (string.IsNullOrWhiteSpace(request.OutputPath))
+            {
+                throw new ArgumentException("OutputPath is required.");
+            }
+            if (string.IsNullOrWhiteSpace(request.Container))
+            {
+                throw new ArgumentException("Container is required.");
+            }
+            if (string.IsNullOrWhiteSpace(request.AudioCodec))
+            {
+                throw new ArgumentException("AudioCodec is required.");
+            }
+
+            var videoRequest = request as VideoEncodingOptions;
+
+            if (videoRequest == null)
+            {
+                return;
+            }
+        }
+
+        /// <summary>
+        /// Determines which stream will be used for playback
+        /// </summary>
+        /// <param name="allStream">All stream.</param>
+        /// <param name="desiredIndex">Index of the desired.</param>
+        /// <param name="type">The type.</param>
+        /// <param name="returnFirstIfNoIndex">if set to <c>true</c> [return first if no index].</param>
+        /// <returns>MediaStream.</returns>
+        private MediaStream GetMediaStream(IEnumerable<MediaStream> allStream, int? desiredIndex, MediaStreamType type, bool returnFirstIfNoIndex = true)
+        {
+            var streams = allStream.Where(s => s.Type == type).OrderBy(i => i.Index).ToList();
+
+            if (desiredIndex.HasValue)
+            {
+                var stream = streams.FirstOrDefault(s => s.Index == desiredIndex.Value);
+
+                if (stream != null)
+                {
+                    return stream;
+                }
+            }
+
+            if (returnFirstIfNoIndex && type == MediaStreamType.Audio)
+            {
+                return streams.FirstOrDefault(i => i.Channels.HasValue && i.Channels.Value > 0) ??
+                       streams.FirstOrDefault();
+            }
+
+            // Just return the first one
+            return returnFirstIfNoIndex ? streams.FirstOrDefault() : null;
+        }
+
+        private void ApplyDeviceProfileSettings(InternalEncodingTask state)
+        {
+            var profile = state.Request.DeviceProfile;
+
+            if (profile == null)
+            {
+                // Don't use settings from the default profile. 
+                // Only use a specific profile if it was requested.
+                return;
+            }
+
+            var container = state.Request.Container;
+
+            var audioCodec = state.Request.AudioCodec;
+
+            if (string.Equals(audioCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.AudioStream != null)
+            {
+                audioCodec = state.AudioStream.Codec;
+            }
+
+            var videoCodec = state.VideoRequest == null ? null : state.VideoRequest.VideoCodec;
+
+            if (string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.VideoStream != null)
+            {
+                videoCodec = state.VideoStream.Codec;
+            }
+
+            var mediaProfile = state.VideoRequest == null ?
+                profile.GetAudioMediaProfile(container, audioCodec, state.AudioStream) :
+                profile.GetVideoMediaProfile(container, audioCodec, videoCodec, state.AudioStream, state.VideoStream);
+
+            if (mediaProfile != null)
+            {
+                state.MimeType = mediaProfile.MimeType;
+                state.OrgPn = mediaProfile.OrgPn;
+            }
+
+            var transcodingProfile = state.VideoRequest == null ?
+                profile.GetAudioTranscodingProfile(container, audioCodec) :
+                profile.GetVideoTranscodingProfile(container, audioCodec, videoCodec);
+
+            if (transcodingProfile != null)
+            {
+                //state.EstimateContentLength = transcodingProfile.EstimateContentLength;
+                state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
+                //state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
+
+                foreach (var setting in transcodingProfile.Settings)
+                {
+                    switch (setting.Name)
+                    {
+                        case TranscodingSettingType.VideoProfile:
+                            {
+                                if (state.VideoRequest != null && string.IsNullOrWhiteSpace(state.VideoRequest.VideoProfile))
+                                {
+                                    state.VideoRequest.VideoProfile = setting.Value;
+                                }
+                                break;
+                            }
+                        default:
+                            throw new ArgumentException("Unrecognized TranscodingSettingType");
+                    }
+                }
+            }
+        }
+
+        private EncodingQuality GetQualitySetting()
+        {
+            var quality = _config.Configuration.MediaEncodingQuality;
+
+            if (quality == EncodingQuality.Auto)
+            {
+                var cpuCount = Environment.ProcessorCount;
+
+                if (cpuCount >= 4)
+                {
+                    //return EncodingQuality.HighQuality;
+                }
+
+                return EncodingQuality.HighSpeed;
+            }
+
+            return quality;
+        }
+    }
+}

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -6,10 +6,10 @@ using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Serialization;
 using System;
 using System.Collections.Concurrent;
-using System.ComponentModel;
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
+using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -122,35 +122,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         /// <exception cref="System.ArgumentException">Unrecognized InputType</exception>
         public string GetInputArgument(string[] inputFiles, InputType type)
         {
-            string inputPath;
-
-            switch (type)
-            {
-                case InputType.Bluray:
-                case InputType.Dvd:
-                case InputType.File:
-                    inputPath = GetConcatInputArgument(inputFiles);
-                    break;
-                case InputType.Url:
-                    inputPath = GetHttpInputArgument(inputFiles);
-                    break;
-                default:
-                    throw new ArgumentException("Unrecognized InputType");
-            }
-
-            return inputPath;
-        }
-
-        /// <summary>
-        /// Gets the HTTP input argument.
-        /// </summary>
-        /// <param name="inputFiles">The input files.</param>
-        /// <returns>System.String.</returns>
-        private string GetHttpInputArgument(string[] inputFiles)
-        {
-            var url = inputFiles[0];
-
-            return string.Format("\"{0}\"", url);
+            return EncodingUtils.GetInputArgument(inputFiles.ToList(), type == InputType.Url);
         }
 
         /// <summary>
@@ -160,7 +132,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         /// <returns>System.String.</returns>
         public string GetProbeSizeArgument(InputType type)
         {
-            return type == InputType.Dvd ? "-probesize 1G -analyzeduration 200M" : string.Empty;
+            return EncodingUtils.GetProbeSizeArgument(type == InputType.Dvd);
         }
 
         /// <summary>
@@ -879,36 +851,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return memoryStream;
         }
 
-        /// <summary>
-        /// Gets the file input argument.
-        /// </summary>
-        /// <param name="path">The path.</param>
-        /// <returns>System.String.</returns>
-        private string GetFileInputArgument(string path)
-        {
-            return string.Format("file:\"{0}\"", path);
-        }
-
-        /// <summary>
-        /// Gets the concat input argument.
-        /// </summary>
-        /// <param name="playableStreamFiles">The playable stream files.</param>
-        /// <returns>System.String.</returns>
-        private string GetConcatInputArgument(string[] playableStreamFiles)
-        {
-            // Get all streams
-            // If there's more than one we'll need to use the concat command
-            if (playableStreamFiles.Length > 1)
-            {
-                var files = string.Join("|", playableStreamFiles);
-
-                return string.Format("concat:\"{0}\"", files);
-            }
-
-            // Determine the input path for video files
-            return GetFileInputArgument(playableStreamFiles[0]);
-        }
-
         public Task<Stream> EncodeImage(ImageEncodingOptions options, CancellationToken cancellationToken)
         {
             return new ImageEncoder(FFMpegPath, _logger, _fileSystem, _appPaths).EncodeImage(options, cancellationToken);

MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj

@@ -48,7 +48,12 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BdInfo\BdInfoExaminer.cs" />
+    <Compile Include="Encoder\AudioEncoder.cs" />
+    <Compile Include="Encoder\EncodingUtils.cs" />
+    <Compile Include="Encoder\FFMpegProcess.cs" />
     <Compile Include="Encoder\ImageEncoder.cs" />
+    <Compile Include="Encoder\InternalEncodingTask.cs" />
+    <Compile Include="Encoder\InternalEncodingTaskFactory.cs" />
     <Compile Include="Encoder\MediaEncoder.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>