Port MediaEncoding and Api.Playback from 10e57ce8d21b4516733894075001819f3cd6db6b

MediaBrowser.Api/Playback/StreamState.cs

@@ -0,0 +1,259 @@
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Dlna;
+using MediaBrowser.Model.Drawing;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.MediaInfo;
+using MediaBrowser.Model.Net;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using MediaBrowser.Controller.MediaEncoding;
+
+namespace MediaBrowser.Api.Playback
+{
+    public class StreamState : EncodingJobInfo, IDisposable
+    {
+        private readonly ILogger _logger;
+        private readonly IMediaSourceManager _mediaSourceManager;
+
+        public string RequestedUrl { get; set; }
+
+        public StreamRequest Request
+        {
+            get { return (StreamRequest)BaseRequest; }
+            set
+            {
+                BaseRequest = value;
+
+                IsVideoRequest = VideoRequest != null;
+            }
+        }
+
+        public TranscodingThrottler TranscodingThrottler { get; set; }
+
+        public VideoStreamRequest VideoRequest
+        {
+            get { return Request as VideoStreamRequest; }
+        }
+
+        /// <summary>
+        /// Gets or sets the log file stream.
+        /// </summary>
+        /// <value>The log file stream.</value>
+        public Stream LogFileStream { get; set; }
+        public IDirectStreamProvider DirectStreamProvider { get; set; }
+
+        public string WaitForPath { get; set; }
+
+        public bool IsOutputVideo
+        {
+            get { return Request is VideoStreamRequest; }
+        }
+
+        public int SegmentLength
+        {
+            get
+            {
+                if (Request.SegmentLength.HasValue)
+                {
+                    return Request.SegmentLength.Value;
+                }
+
+                if (string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                {
+                    var userAgent = UserAgent ?? string.Empty;
+
+                    if (userAgent.IndexOf("AppleTV", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
+                    {
+                        if (IsSegmentedLiveStream)
+                        {
+                            return 6;
+                        }
+
+                        return 6;
+                    }
+
+                    if (IsSegmentedLiveStream)
+                    {
+                        return 3;
+                    }
+                    return 6;
+                }
+
+                return 3;
+            }
+        }
+
+        public int MinSegments
+        {
+            get
+            {
+                if (Request.MinSegments.HasValue)
+                {
+                    return Request.MinSegments.Value;
+                }
+
+                return SegmentLength >= 10 ? 2 : 3;
+            }
+        }
+
+        public int HlsListSize
+        {
+            get
+            {
+                return 0;
+            }
+        }
+
+        public string UserAgent { get; set; }
+
+        public StreamState(IMediaSourceManager mediaSourceManager, ILogger logger, TranscodingJobType transcodingType) 
+            : base(logger, mediaSourceManager, transcodingType)
+        {
+            _mediaSourceManager = mediaSourceManager;
+            _logger = logger;
+        }
+
+        public string MimeType { get; set; }
+
+        public bool EstimateContentLength { get; set; }
+        public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
+
+        public long? EncodingDurationTicks { get; set; }
+
+        public string GetMimeType(string outputPath, bool enableStreamDefault = true)
+        {
+            if (!string.IsNullOrEmpty(MimeType))
+            {
+                return MimeType;
+            }
+
+            return MimeTypes.GetMimeType(outputPath, enableStreamDefault);
+        }
+
+        public bool EnableDlnaHeaders { get; set; }
+
+        public void Dispose()
+        {
+            DisposeTranscodingThrottler();
+            DisposeLiveStream();
+            DisposeLogStream();
+            DisposeIsoMount();
+
+            TranscodingJob = null;
+        }
+
+        private void DisposeLogStream()
+        {
+            if (LogFileStream != null)
+            {
+                try
+                {
+                    LogFileStream.Dispose();
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error disposing log stream", ex);
+                }
+
+                LogFileStream = null;
+            }
+        }
+
+        private void DisposeTranscodingThrottler()
+        {
+            if (TranscodingThrottler != null)
+            {
+                try
+                {
+                    TranscodingThrottler.Dispose();
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error disposing TranscodingThrottler", ex);
+                }
+
+                TranscodingThrottler = null;
+            }
+        }
+
+        private async void DisposeLiveStream()
+        {
+            if (MediaSource.RequiresClosing && string.IsNullOrWhiteSpace(Request.LiveStreamId) && !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
+            {
+                try
+                {
+                    await _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).ConfigureAwait(false);
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error closing media source", ex);
+                }
+            }
+        }
+
+        public string OutputFilePath { get; set; }
+
+        public string ActualOutputVideoCodec
+        {
+            get
+            {
+                var codec = OutputVideoCodec;
+
+                if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
+                {
+                    var stream = VideoStream;
+
+                    if (stream != null)
+                    {
+                        return stream.Codec;
+                    }
+
+                    return null;
+                }
+
+                return codec;
+            }
+        }
+
+        public string ActualOutputAudioCodec
+        {
+            get
+            {
+                var codec = OutputAudioCodec;
+
+                if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
+                {
+                    var stream = AudioStream;
+
+                    if (stream != null)
+                    {
+                        return stream.Codec;
+                    }
+
+                    return null;
+                }
+
+                return codec;
+            }
+        }
+
+        public DeviceProfile DeviceProfile { get; set; }
+
+        public TranscodingJob TranscodingJob;
+        public override void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
+        {
+            ApiEntryPoint.Instance.ReportTranscodingProgress(TranscodingJob, this, transcodingPosition, framerate, percentComplete, bytesTranscoded, bitRate);
+        }
+    }
+}