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jellyfin/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs

489 lines
15 KiB

using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Configuration;
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.IO;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class EncodingJob : IDisposable
{
public bool HasExited { get; internal set; }
public bool IsCancelled { get; internal set; }
public Stream LogFileStream { get; set; }
public IProgress<double> Progress { get; set; }
public TaskCompletionSource<bool> TaskCompletionSource;
public EncodingJobOptions Options { get; set; }
public string InputContainer { get; set; }
public MediaSourceInfo MediaSource { get; set; }
public MediaStream AudioStream { get; set; }
public MediaStream VideoStream { get; set; }
public MediaStream SubtitleStream { get; set; }
public IIsoMount IsoMount { get; set; }
public bool ReadInputAtNativeFramerate { get; set; }
public bool IsVideoRequest { get; set; }
public string InputAudioSync { get; set; }
public string InputVideoSync { get; set; }
public string Id { get; set; }
public string MediaPath { get; set; }
public MediaProtocol InputProtocol { get; set; }
public bool IsInputVideo { get; set; }
public VideoType VideoType { get; set; }
public IsoType? IsoType { get; set; }
public List<string> PlayableStreamFileNames { get; set; }
public List<string> SupportedAudioCodecs { get; set; }
public Dictionary<string, string> RemoteHttpHeaders { get; set; }
public TransportStreamTimestamp InputTimestamp { get; set; }
public bool DeInterlace { get; set; }
public string MimeType { get; set; }
public bool EstimateContentLength { get; set; }
public bool EnableMpegtsM2TsMode { get; set; }
public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
public long? EncodingDurationTicks { get; set; }
public string LiveStreamId { get; set; }
public long? RunTimeTicks;
public string ItemType { get; set; }
public long? InputBitrate { get; set; }
public long? InputFileSize { get; set; }
public string OutputAudioSync = "1";
public string OutputVideoSync = "vfr";
public string GetMimeType(string outputPath)
{
if (!string.IsNullOrEmpty(MimeType))
{
return MimeType;
}
return MimeTypes.GetMimeType(outputPath);
}
private readonly ILogger _logger;
private readonly IMediaSourceManager _mediaSourceManager;
public EncodingJob(ILogger logger, IMediaSourceManager mediaSourceManager)
{
_logger = logger;
_mediaSourceManager = mediaSourceManager;
Id = Guid.NewGuid().ToString("N");
RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
_logger = logger;
SupportedAudioCodecs = new List<string>();
PlayableStreamFileNames = new List<string>();
RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
TaskCompletionSource = new TaskCompletionSource<bool>();
}
public void Dispose()
{
DisposeLiveStream();
DisposeLogStream();
DisposeIsoMount();
}
private void DisposeLogStream()
{
if (LogFileStream != null)
{
try
{
LogFileStream.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing log stream", ex);
}
LogFileStream = null;
}
}
private void DisposeIsoMount()
{
if (IsoMount != null)
{
try
{
IsoMount.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing iso mount", ex);
}
IsoMount = null;
}
}
private async void DisposeLiveStream()
{
if (MediaSource.RequiresClosing)
{
try
{
await _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error closing media source", ex);
}
}
}
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;
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 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,
Options.Width,
Options.Height,
Options.MaxWidth,
Options.MaxHeight);
return Convert.ToInt32(newSize.Width);
}
if (!IsVideoRequest)
{
return null;
}
return Options.MaxWidth ?? Options.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,
Options.Width,
Options.Height,
Options.MaxWidth,
Options.MaxHeight);
return Convert.ToInt32(newSize.Height);
}
if (!IsVideoRequest)
{
return null;
}
return Options.MaxHeight ?? Options.Height;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetVideoBitDepth
{
get
{
var stream = VideoStream;
return stream == null || !Options.Static ? null : stream.BitDepth;
}
}
/// <summary>
/// Gets the target reference frames.
/// </summary>
/// <value>The target reference frames.</value>
public int? TargetRefFrames
{
get
{
var stream = VideoStream;
return stream == null || !Options.Static ? null : stream.RefFrames;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public float? TargetFramerate
{
get
{
var stream = VideoStream;
var requestedFramerate = Options.MaxFramerate ?? Options.Framerate;
return requestedFramerate.HasValue && !Options.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 Options.Level.HasValue && !Options.Static
? Options.Level.Value
: stream == null ? null : stream.Level;
}
}
public TransportStreamTimestamp TargetTimestamp
{
get
{
var defaultValue = string.Equals(Options.OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
TransportStreamTimestamp.Valid :
TransportStreamTimestamp.None;
return !Options.Static
? defaultValue
: InputTimestamp;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetPacketLength
{
get
{
var stream = VideoStream;
return !Options.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(Options.Profile) && !Options.Static
? Options.Profile
: stream == null ? null : stream.Profile;
}
}
public string TargetVideoCodecTag
{
get
{
var stream = VideoStream;
return !Options.Static
? null
: stream == null ? null : stream.CodecTag;
}
}
public bool? IsTargetAnamorphic
{
get
{
if (Options.Static)
{
return VideoStream == null ? null : VideoStream.IsAnamorphic;
}
return false;
}
}
public bool? IsTargetCabac
{
get
{
if (Options.Static)
{
return VideoStream == null ? null : VideoStream.IsCabac;
}
return true;
}
}
public int? TargetVideoStreamCount
{
get
{
if (Options.Static)
{
return GetMediaStreamCount(MediaStreamType.Video, int.MaxValue);
}
return GetMediaStreamCount(MediaStreamType.Video, 1);
}
}
public int? TargetAudioStreamCount
{
get
{
if (Options.Static)
{
return GetMediaStreamCount(MediaStreamType.Audio, int.MaxValue);
}
return GetMediaStreamCount(MediaStreamType.Audio, 1);
}
}
private int? GetMediaStreamCount(MediaStreamType type, int limit)
{
var count = MediaSource.GetStreamCount(type);
if (count.HasValue)
{
count = Math.Min(count.Value, limit);
}
return count;
}
public void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded)
{
var ticks = transcodingPosition.HasValue ? transcodingPosition.Value.Ticks : (long?)null;
// job.Framerate = framerate;
if (!percentComplete.HasValue && ticks.HasValue && RunTimeTicks.HasValue)
{
var pct = ticks.Value/RunTimeTicks.Value;
percentComplete = pct*100;
}
if (percentComplete.HasValue)
{
Progress.Report(percentComplete.Value);
}
// job.TranscodingPositionTicks = ticks;
// job.BytesTranscoded = bytesTranscoded;
var deviceId = Options.DeviceId;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var audioCodec = ActualOutputVideoCodec;
var videoCodec = ActualOutputVideoCodec;
// SessionManager.ReportTranscodingInfo(deviceId, new TranscodingInfo
// {
// Bitrate = job.TotalOutputBitrate,
// AudioCodec = audioCodec,
// VideoCodec = videoCodec,
// Container = job.Options.OutputContainer,
// Framerate = framerate,
// CompletionPercentage = percentComplete,
// Width = job.OutputWidth,
// Height = job.OutputHeight,
// AudioChannels = job.OutputAudioChannels,
// IsAudioDirect = string.Equals(job.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase),
// IsVideoDirect = string.Equals(job.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)
// });
}
}
}
}