jellyfin/MediaBrowser.Api/Playback/StreamState.cs

428 lines
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C#
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Drawing;
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 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.Threading;
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namespace MediaBrowser.Api.Playback
{
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public class StreamState : IDisposable
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{
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private readonly ILogger _logger;
private readonly ILiveTvManager _liveTvManager;
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public string RequestedUrl { get; set; }
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public StreamRequest Request { get; set; }
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public VideoStreamRequest VideoRequest
{
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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>
/// Gets or sets the log file stream.
/// </summary>
/// <value>The log file stream.</value>
public Stream LogFileStream { get; set; }
public string InputContainer { get; set; }
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public List<MediaStream> AllMediaStreams { get; set; }
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public MediaStream AudioStream { get; set; }
public MediaStream VideoStream { get; set; }
public MediaStream SubtitleStream { get; set; }
/// <summary>
/// Gets or sets the iso mount.
/// </summary>
/// <value>The iso mount.</value>
public IIsoMount IsoMount { get; set; }
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public string MediaPath { get; set; }
public MediaProtocol InputProtocol { get; set; }
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public bool IsInputVideo { get; set; }
public VideoType VideoType { get; set; }
public IsoType? IsoType { get; set; }
public List<string> PlayableStreamFileNames { get; set; }
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public string LiveTvStreamId { get; set; }
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public int SegmentLength = 10;
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public int HlsListSize
{
get { return ReadInputAtNativeFramerate ? 100 : 1440; }
}
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public long? RunTimeTicks;
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public long? InputBitrate { get; set; }
public long? InputFileSize { get; set; }
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public string OutputAudioSync = "1";
public string OutputVideoSync = "vfr";
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public List<string> SupportedAudioCodecs { get; set; }
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public StreamState(ILiveTvManager liveTvManager, ILogger logger)
{
_liveTvManager = liveTvManager;
_logger = logger;
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SupportedAudioCodecs = new List<string>();
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PlayableStreamFileNames = new List<string>();
RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
AllMediaStreams = new List<MediaStream>();
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}
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public string InputAudioSync { get; set; }
public string InputVideoSync { get; set; }
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public bool DeInterlace { get; set; }
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public bool ReadInputAtNativeFramerate { get; set; }
public TransportStreamTimestamp InputTimestamp { get; set; }
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public string MimeType { get; set; }
public bool EstimateContentLength { get; set; }
public bool EnableMpegtsM2TsMode { get; set; }
public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
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public long? EncodingDurationTicks { get; set; }
public string ItemType { get; set; }
public string GetMimeType(string outputPath)
{
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if (!string.IsNullOrEmpty(MimeType))
{
return MimeType;
}
return MimeTypes.GetMimeType(outputPath);
}
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public void Dispose()
{
DisposeLiveStream();
DisposeLogStream();
DisposeIsoMount();
}
private void DisposeLogStream()
{
if (LogFileStream != null)
{
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try
{
LogFileStream.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing log stream", ex);
}
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LogFileStream = null;
}
}
private void DisposeIsoMount()
{
if (IsoMount != null)
{
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try
{
IsoMount.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing iso mount", ex);
}
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IsoMount = null;
}
}
private async void DisposeLiveStream()
{
if (!string.IsNullOrEmpty(LiveTvStreamId))
{
try
{
await _liveTvManager.CloseLiveStream(LiveTvStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error closing live tv stream", ex);
}
}
}
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public int InternalSubtitleStreamOffset { get; set; }
public string OutputFilePath { get; set; }
public string OutputVideoCodec { get; set; }
public string OutputAudioCodec { get; set; }
public int? OutputAudioChannels;
public int? OutputAudioSampleRate;
public int? OutputAudioBitrate;
public int? OutputVideoBitrate;
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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 string OutputContainer { get; set; }
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public DeviceProfile DeviceProfile { get; set; }
public int? TotalOutputBitrate
{
get
{
return (OutputAudioBitrate ?? 0) + (OutputVideoBitrate ?? 0);
}
}
public int? OutputWidth
{
get
{
if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
{
var size = new ImageSize
{
Width = VideoStream.Width.Value,
Height = VideoStream.Height.Value
};
var newSize = DrawingUtils.Resize(size,
VideoRequest.Width,
VideoRequest.Height,
VideoRequest.MaxWidth,
VideoRequest.MaxHeight);
return Convert.ToInt32(newSize.Width);
}
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if (VideoRequest == null)
{
return null;
}
return VideoRequest.MaxWidth ?? VideoRequest.Width;
}
}
public int? OutputHeight
{
get
{
if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
{
var size = new ImageSize
{
Width = VideoStream.Width.Value,
Height = VideoStream.Height.Value
};
var newSize = DrawingUtils.Resize(size,
VideoRequest.Width,
VideoRequest.Height,
VideoRequest.MaxWidth,
VideoRequest.MaxHeight);
return Convert.ToInt32(newSize.Height);
}
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if (VideoRequest == null)
{
return null;
}
return VideoRequest.MaxHeight ?? VideoRequest.Height;
}
}
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/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetVideoBitDepth
{
get
{
var stream = VideoStream;
return stream == null || !Request.Static ? null : stream.BitDepth;
}
}
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/// <summary>
/// Gets the target reference frames.
/// </summary>
/// <value>The target reference frames.</value>
public int? TargetRefFrames
{
get
{
var stream = VideoStream;
return stream == null || !Request.Static ? null : stream.RefFrames;
}
}
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/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
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public float? TargetFramerate
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{
get
{
var stream = VideoStream;
var requestedFramerate = VideoRequest.MaxFramerate ?? VideoRequest.Framerate;
return requestedFramerate.HasValue && !Request.Static
? requestedFramerate
: stream == null ? null : stream.AverageFrameRate ?? stream.RealFrameRate;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public double? TargetVideoLevel
{
get
{
var stream = VideoStream;
return !string.IsNullOrEmpty(VideoRequest.Level) && !Request.Static
? double.Parse(VideoRequest.Level, CultureInfo.InvariantCulture)
: stream == null ? null : stream.Level;
}
}
public TransportStreamTimestamp TargetTimestamp
{
get
{
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var defaultValue = string.Equals(OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
TransportStreamTimestamp.Valid :
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TransportStreamTimestamp.None;
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return !Request.Static
? defaultValue
: InputTimestamp;
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}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetPacketLength
{
get
{
var stream = VideoStream;
return !Request.Static
? null
: stream == null ? null : stream.PacketLength;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public string TargetVideoProfile
{
get
{
var stream = VideoStream;
return !string.IsNullOrEmpty(VideoRequest.Profile) && !Request.Static
? VideoRequest.Profile
: stream == null ? null : stream.Profile;
}
}
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public bool? IsTargetAnamorphic
{
get
{
if (Request.Static)
{
return VideoStream == null ? null : VideoStream.IsAnamorphic;
}
return false;
}
}
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public bool? IsTargetCabac
{
get
{
if (Request.Static)
{
return VideoStream == null ? null : VideoStream.IsCabac;
}
return true;
}
}
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}
}