jellyfin-server/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
2017-06-04 16:28:27 -04:00

496 lines
14 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Drawing;
namespace MediaBrowser.Controller.MediaEncoding
{
// For now, a common base class until the API and MediaEncoding classes are unified
public abstract class EncodingJobInfo
{
private readonly ILogger _logger;
public MediaStream VideoStream { get; set; }
public VideoType VideoType { get; set; }
public Dictionary<string, string> RemoteHttpHeaders { get; set; }
public string OutputVideoCodec { get; set; }
public MediaProtocol InputProtocol { get; set; }
public string MediaPath { get; set; }
public bool IsInputVideo { get; set; }
public IIsoMount IsoMount { get; set; }
public List<string> PlayableStreamFileNames { get; set; }
public string OutputAudioCodec { get; set; }
public int? OutputVideoBitrate { get; set; }
public MediaStream SubtitleStream { get; set; }
public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
public List<string> SupportedSubtitleCodecs { get; set; }
public int InternalSubtitleStreamOffset { get; set; }
public MediaSourceInfo MediaSource { get; set; }
public User User { get; set; }
public long? RunTimeTicks { get; set; }
public bool ReadInputAtNativeFramerate { get; set; }
public bool IgnoreInputDts
{
get
{
return MediaSource.IgnoreDts;
}
}
public bool IgnoreInputIndex
{
get
{
return MediaSource.IgnoreIndex;
}
}
public bool GenPtsInput
{
get
{
return MediaSource.GenPtsInput;
}
}
public bool DiscardCorruptFramesInput
{
get
{
return false;
}
}
public bool EnableFastSeekInput
{
get
{
return false;
}
}
public bool GenPtsOutput
{
get
{
return false;
}
}
public string OutputContainer { get; set; }
public string OutputVideoSync
{
get
{
// For live tv + in progress recordings
if (string.Equals(InputContainer, "mpegts", StringComparison.OrdinalIgnoreCase) || string.Equals(InputContainer, "ts", StringComparison.OrdinalIgnoreCase))
{
if (!MediaSource.RunTimeTicks.HasValue)
{
return "cfr";
}
}
return "-1";
}
}
public string AlbumCoverPath { get; set; }
public string InputAudioSync { get; set; }
public string InputVideoSync { get; set; }
public TransportStreamTimestamp InputTimestamp { get; set; }
public MediaStream AudioStream { get; set; }
public List<string> SupportedAudioCodecs { get; set; }
public List<string> SupportedVideoCodecs { get; set; }
public string InputContainer { get; set; }
public IsoType? IsoType { get; set; }
public bool EnableMpegtsM2TsMode { get; set; }
public BaseEncodingJobOptions BaseRequest { get; set; }
public long? StartTimeTicks
{
get { return BaseRequest.StartTimeTicks; }
}
public bool CopyTimestamps
{
get { return BaseRequest.CopyTimestamps; }
}
public int? OutputAudioBitrate;
public int? OutputAudioChannels;
public bool DeInterlace { get; set; }
public bool IsVideoRequest { get; set; }
public TranscodingJobType TranscodingType { get; set; }
public EncodingJobInfo(ILogger logger, TranscodingJobType jobType)
{
_logger = logger;
TranscodingType = jobType;
RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
PlayableStreamFileNames = new List<string>();
SupportedAudioCodecs = new List<string>();
SupportedVideoCodecs = new List<string>();
SupportedSubtitleCodecs = new List<string>();
}
public bool IsSegmentedLiveStream
{
get
{
return TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
}
}
public bool EnableBreakOnNonKeyFrames(string videoCodec)
{
if (TranscodingType != TranscodingJobType.Progressive)
{
if (IsSegmentedLiveStream)
{
return false;
}
return BaseRequest.BreakOnNonKeyFrames && string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase);
}
return false;
}
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,
BaseRequest.Width,
BaseRequest.Height,
BaseRequest.MaxWidth,
BaseRequest.MaxHeight);
return Convert.ToInt32(newSize.Width);
}
if (!IsVideoRequest)
{
return null;
}
return BaseRequest.MaxWidth ?? BaseRequest.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,
BaseRequest.Width,
BaseRequest.Height,
BaseRequest.MaxWidth,
BaseRequest.MaxHeight);
return Convert.ToInt32(newSize.Height);
}
if (!IsVideoRequest)
{
return null;
}
return BaseRequest.MaxHeight ?? BaseRequest.Height;
}
}
public int? OutputAudioSampleRate
{
get
{
if (BaseRequest.Static || string.Equals(OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase))
{
if (AudioStream != null)
{
return AudioStream.SampleRate;
}
}
else if (BaseRequest.AudioSampleRate.HasValue)
{
// Don't exceed what the encoder supports
// Seeing issues of attempting to encode to 88200
return Math.Min(44100, BaseRequest.AudioSampleRate.Value);
}
return null;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public double? TargetVideoLevel
{
get
{
var stream = VideoStream;
var request = BaseRequest;
return !string.IsNullOrEmpty(request.Level) && !request.Static
? double.Parse(request.Level, CultureInfo.InvariantCulture)
: stream == null ? null : stream.Level;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetVideoBitDepth
{
get
{
var stream = VideoStream;
return stream == null || !BaseRequest.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 || !BaseRequest.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 = BaseRequest.MaxFramerate ?? BaseRequest.Framerate;
return requestedFramerate.HasValue && !BaseRequest.Static
? requestedFramerate
: stream == null ? null : stream.AverageFrameRate ?? stream.RealFrameRate;
}
}
public TransportStreamTimestamp TargetTimestamp
{
get
{
var defaultValue = string.Equals(OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
TransportStreamTimestamp.Valid :
TransportStreamTimestamp.None;
return !BaseRequest.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 !BaseRequest.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(BaseRequest.Profile) && !BaseRequest.Static
? BaseRequest.Profile
: stream == null ? null : stream.Profile;
}
}
public string TargetVideoCodecTag
{
get
{
var stream = VideoStream;
return !BaseRequest.Static
? null
: stream == null ? null : stream.CodecTag;
}
}
public bool? IsTargetAnamorphic
{
get
{
if (BaseRequest.Static)
{
return VideoStream == null ? null : VideoStream.IsAnamorphic;
}
return false;
}
}
public bool? IsTargetInterlaced
{
get
{
if (BaseRequest.Static)
{
return VideoStream == null ? (bool?)null : VideoStream.IsInterlaced;
}
if (DeInterlace)
{
return false;
}
return VideoStream == null ? (bool?)null : VideoStream.IsInterlaced;
}
}
public bool? IsTargetAVC
{
get
{
if (BaseRequest.Static)
{
return VideoStream == null ? null : VideoStream.IsAVC;
}
return false;
}
}
public int? TargetVideoStreamCount
{
get
{
if (BaseRequest.Static)
{
return GetMediaStreamCount(MediaStreamType.Video, int.MaxValue);
}
return GetMediaStreamCount(MediaStreamType.Video, 1);
}
}
public int? TargetAudioStreamCount
{
get
{
if (BaseRequest.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;
}
protected void DisposeIsoMount()
{
if (IsoMount != null)
{
try
{
IsoMount.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing iso mount", ex);
}
IsoMount = null;
}
}
public abstract void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate);
}
/// <summary>
/// Enum TranscodingJobType
/// </summary>
public enum TranscodingJobType
{
/// <summary>
/// The progressive
/// </summary>
Progressive,
/// <summary>
/// The HLS
/// </summary>
Hls,
/// <summary>
/// The dash
/// </summary>
Dash
}
}