541 lines
16 KiB
C#
541 lines
16 KiB
C#
using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Drawing;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Net;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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namespace MediaBrowser.Api.Playback
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{
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public class StreamState : IDisposable
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{
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private readonly ILogger _logger;
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private readonly IMediaSourceManager _mediaSourceManager;
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public string RequestedUrl { get; set; }
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public StreamRequest Request { get; set; }
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public TranscodingThrottler TranscodingThrottler { get; set; }
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public VideoStreamRequest VideoRequest
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{
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get { return Request as VideoStreamRequest; }
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}
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public Dictionary<string, string> RemoteHttpHeaders { get; set; }
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/// <summary>
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/// Gets or sets the log file stream.
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/// </summary>
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/// <value>The log file stream.</value>
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public Stream LogFileStream { get; set; }
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public IDirectStreamProvider DirectStreamProvider { get; set; }
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public string InputContainer { get; set; }
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public MediaSourceInfo MediaSource { get; set; }
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public MediaStream AudioStream { get; set; }
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public MediaStream VideoStream { get; set; }
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public MediaStream SubtitleStream { get; set; }
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/// <summary>
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/// Gets or sets the iso mount.
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/// </summary>
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/// <value>The iso mount.</value>
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public IIsoMount IsoMount { get; set; }
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public string MediaPath { get; set; }
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public string WaitForPath { get; set; }
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public MediaProtocol InputProtocol { get; set; }
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public bool IsOutputVideo
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{
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get { return Request is VideoStreamRequest; }
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}
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public bool IsInputVideo { get; set; }
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public VideoType VideoType { get; set; }
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public IsoType? IsoType { get; set; }
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public List<string> PlayableStreamFileNames { get; set; }
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public int SegmentLength
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{
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get
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{
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if (string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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var userAgent = UserAgent ?? string.Empty;
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if (userAgent.IndexOf("AppleTV", StringComparison.OrdinalIgnoreCase) != -1)
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{
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return 10;
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}
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if (userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) != -1 ||
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userAgent.IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
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userAgent.IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
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userAgent.IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
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{
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return 10;
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}
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if (IsSegmentedLiveStream)
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{
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return 3;
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}
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return 6;
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}
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return 3;
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}
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}
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public bool IsSegmentedLiveStream
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{
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get
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{
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return TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
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}
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}
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public int HlsListSize
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{
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get
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{
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return 0;
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}
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}
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public long? RunTimeTicks;
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public long? InputBitrate { get; set; }
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public long? InputFileSize { get; set; }
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public string OutputAudioSync = "1";
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public string OutputVideoSync = "-1";
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public List<string> SupportedAudioCodecs { get; set; }
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public List<string> SupportedVideoCodecs { get; set; }
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public string UserAgent { get; set; }
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public TranscodingJobType TranscodingType { get; set; }
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public StreamState(IMediaSourceManager mediaSourceManager, ILogger logger, TranscodingJobType transcodingType)
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{
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_mediaSourceManager = mediaSourceManager;
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_logger = logger;
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SupportedAudioCodecs = new List<string>();
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SupportedVideoCodecs = new List<string>();
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PlayableStreamFileNames = new List<string>();
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RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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TranscodingType = transcodingType;
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}
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public string InputAudioSync { get; set; }
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public string InputVideoSync { get; set; }
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public bool DeInterlace { get; set; }
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public bool ReadInputAtNativeFramerate { get; set; }
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public TransportStreamTimestamp InputTimestamp { get; set; }
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public string MimeType { get; set; }
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public bool EstimateContentLength { get; set; }
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public bool EnableMpegtsM2TsMode { get; set; }
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public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
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public long? EncodingDurationTicks { get; set; }
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public string GetMimeType(string outputPath)
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{
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if (!string.IsNullOrEmpty(MimeType))
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{
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return MimeType;
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}
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return MimeTypes.GetMimeType(outputPath);
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}
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public void Dispose()
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{
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DisposeTranscodingThrottler();
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DisposeLiveStream();
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DisposeLogStream();
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DisposeIsoMount();
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}
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private void DisposeLogStream()
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{
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if (LogFileStream != null)
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{
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try
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{
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LogFileStream.Dispose();
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error disposing log stream", ex);
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}
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LogFileStream = null;
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}
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}
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private void DisposeTranscodingThrottler()
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{
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if (TranscodingThrottler != null)
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{
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try
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{
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TranscodingThrottler.Dispose();
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error disposing TranscodingThrottler", ex);
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}
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TranscodingThrottler = null;
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}
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}
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private void DisposeIsoMount()
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{
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if (IsoMount != null)
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{
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try
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{
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IsoMount.Dispose();
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error disposing iso mount", ex);
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}
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IsoMount = null;
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}
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}
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private async void DisposeLiveStream()
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{
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if (MediaSource.RequiresClosing && string.IsNullOrWhiteSpace(Request.LiveStreamId) && !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
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{
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try
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{
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await _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error closing media source", ex);
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}
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}
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}
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public int InternalSubtitleStreamOffset { get; set; }
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public string OutputFilePath { get; set; }
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public string OutputVideoCodec { get; set; }
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public string OutputAudioCodec { get; set; }
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public int? OutputAudioChannels;
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public int? OutputAudioSampleRate;
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public int? OutputAudioBitrate;
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public int? OutputVideoBitrate;
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public string ActualOutputVideoCodec
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{
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get
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{
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var codec = OutputVideoCodec;
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if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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var stream = VideoStream;
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if (stream != null)
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{
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return stream.Codec;
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}
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return null;
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}
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return codec;
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}
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}
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public string ActualOutputAudioCodec
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{
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get
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{
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var codec = OutputAudioCodec;
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if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
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{
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var stream = AudioStream;
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if (stream != null)
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{
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return stream.Codec;
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}
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return null;
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}
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return codec;
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}
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}
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public string OutputContainer { get; set; }
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public DeviceProfile DeviceProfile { get; set; }
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public int? TotalOutputBitrate
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{
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get
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{
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return (OutputAudioBitrate ?? 0) + (OutputVideoBitrate ?? 0);
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}
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}
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public int? OutputWidth
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{
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get
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{
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if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
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{
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var size = new ImageSize
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{
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Width = VideoStream.Width.Value,
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Height = VideoStream.Height.Value
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};
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var newSize = DrawingUtils.Resize(size,
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VideoRequest.Width,
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VideoRequest.Height,
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VideoRequest.MaxWidth,
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VideoRequest.MaxHeight);
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return Convert.ToInt32(newSize.Width);
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}
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if (VideoRequest == null)
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{
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return null;
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}
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return VideoRequest.MaxWidth ?? VideoRequest.Width;
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}
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}
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public int? OutputHeight
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{
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get
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{
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if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
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{
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var size = new ImageSize
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{
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Width = VideoStream.Width.Value,
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Height = VideoStream.Height.Value
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};
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var newSize = DrawingUtils.Resize(size,
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VideoRequest.Width,
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VideoRequest.Height,
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VideoRequest.MaxWidth,
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VideoRequest.MaxHeight);
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return Convert.ToInt32(newSize.Height);
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}
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if (VideoRequest == null)
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{
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return null;
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}
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return VideoRequest.MaxHeight ?? VideoRequest.Height;
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}
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}
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/// <summary>
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/// Predicts the audio sample rate that will be in the output stream
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/// </summary>
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public int? TargetVideoBitDepth
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{
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get
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{
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var stream = VideoStream;
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return stream == null || !Request.Static ? null : stream.BitDepth;
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}
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}
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/// <summary>
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/// Gets the target reference frames.
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/// </summary>
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/// <value>The target reference frames.</value>
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public int? TargetRefFrames
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{
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get
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{
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var stream = VideoStream;
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return stream == null || !Request.Static ? null : stream.RefFrames;
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}
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}
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public int? TargetVideoStreamCount
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{
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get
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{
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if (Request.Static)
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{
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return GetMediaStreamCount(MediaStreamType.Video, int.MaxValue);
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}
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return GetMediaStreamCount(MediaStreamType.Video, 1);
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}
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}
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public int? TargetAudioStreamCount
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{
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get
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{
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if (Request.Static)
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{
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return GetMediaStreamCount(MediaStreamType.Audio, int.MaxValue);
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}
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return GetMediaStreamCount(MediaStreamType.Audio, 1);
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}
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}
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private int? GetMediaStreamCount(MediaStreamType type, int limit)
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{
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var count = MediaSource.GetStreamCount(type);
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if (count.HasValue)
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{
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count = Math.Min(count.Value, limit);
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}
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return count;
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}
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/// <summary>
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/// Predicts the audio sample rate that will be in the output stream
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/// </summary>
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public float? TargetFramerate
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{
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get
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{
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var stream = VideoStream;
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var requestedFramerate = VideoRequest.MaxFramerate ?? VideoRequest.Framerate;
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return requestedFramerate.HasValue && !Request.Static
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? requestedFramerate
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: stream == null ? null : stream.AverageFrameRate ?? stream.RealFrameRate;
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}
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}
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/// <summary>
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/// Predicts the audio sample rate that will be in the output stream
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/// </summary>
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public double? TargetVideoLevel
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{
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get
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{
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var stream = VideoStream;
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return !string.IsNullOrEmpty(VideoRequest.Level) && !Request.Static
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? double.Parse(VideoRequest.Level, CultureInfo.InvariantCulture)
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: stream == null ? null : stream.Level;
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}
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}
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public TransportStreamTimestamp TargetTimestamp
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{
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get
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{
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var defaultValue = string.Equals(OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
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TransportStreamTimestamp.Valid :
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TransportStreamTimestamp.None;
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return !Request.Static
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? defaultValue
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: InputTimestamp;
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}
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}
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/// <summary>
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/// Predicts the audio sample rate that will be in the output stream
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/// </summary>
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public int? TargetPacketLength
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{
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get
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{
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var stream = VideoStream;
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return !Request.Static
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? null
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: stream == null ? null : stream.PacketLength;
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}
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}
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/// <summary>
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/// Predicts the audio sample rate that will be in the output stream
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/// </summary>
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public string TargetVideoProfile
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{
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get
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{
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var stream = VideoStream;
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return !string.IsNullOrEmpty(VideoRequest.Profile) && !Request.Static
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? VideoRequest.Profile
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: stream == null ? null : stream.Profile;
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}
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}
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public string TargetVideoCodecTag
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{
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get
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{
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var stream = VideoStream;
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return !Request.Static
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? null
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: stream == null ? null : stream.CodecTag;
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}
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}
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public bool? IsTargetAnamorphic
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{
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get
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{
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if (Request.Static)
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{
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return VideoStream == null ? null : VideoStream.IsAnamorphic;
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}
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return false;
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}
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}
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public bool? IsTargetAVC
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{
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get
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{
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if (Request.Static)
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{
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return VideoStream == null ? null : VideoStream.IsAVC;
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}
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return true;
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}
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}
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}
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}
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