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sync video transcoding

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This commit is contained in:
Luke Pulverenti 2015-01-02 01:12:58 -05:00
parent c93740461e
commit c63c39ce57
12 changed files with 2844 additions and 16 deletions
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91
MediaBrowser.Controller/MediaEncoding/EncodingJobOptions.cs Normal file
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using MediaBrowser.Model.Dlna;
namespace MediaBrowser.Controller.MediaEncoding
{
public class EncodingJobOptions
{
public string OutputContainer { get; set; }
public long? StartTimeTicks { get; set; }
public int? Width { get; set; }
public int? Height { get; set; }
public int? MaxWidth { get; set; }
public int? MaxHeight { get; set; }
public bool Static = false;
public float? Framerate { get; set; }
public float? MaxFramerate { get; set; }
public string Profile { get; set; }
public int? Level { get; set; }
public string DeviceId { get; set; }
public string ItemId { get; set; }
public string MediaSourceId { get; set; }
public string AudioCodec { get; set; }
public bool EnableAutoStreamCopy { get; set; }
public int? MaxAudioChannels { get; set; }
public int? AudioChannels { get; set; }
public int? AudioBitRate { get; set; }
public int? AudioSampleRate { get; set; }
public DeviceProfile DeviceProfile { get; set; }
public EncodingContext Context { get; set; }
public string VideoCodec { get; set; }
public int? VideoBitRate { get; set; }
public int? AudioStreamIndex { get; set; }
public int? VideoStreamIndex { get; set; }
public int? SubtitleStreamIndex { get; set; }
public int? MaxRefFrames { get; set; }
public int? MaxVideoBitDepth { get; set; }
public SubtitleDeliveryMethod SubtitleMethod { get; set; }
/// <summary>
/// Gets a value indicating whether this instance has fixed resolution.
/// </summary>
/// <value><c>true</c> if this instance has fixed resolution; otherwise, <c>false</c>.</value>
public bool HasFixedResolution
{
get
{
return Width.HasValue || Height.HasValue;
}
}
public bool? Cabac { get; set; }
public EncodingJobOptions()
{
}
public EncodingJobOptions(StreamInfo info, DeviceProfile deviceProfile)
{
OutputContainer = info.Container;
StartTimeTicks = info.StartPositionTicks;
MaxWidth = info.MaxWidth;
MaxHeight = info.MaxHeight;
MaxFramerate = info.MaxFramerate;
Profile = info.VideoProfile;
Level = info.VideoLevel;
ItemId = info.ItemId;
MediaSourceId = info.MediaSourceId;
AudioCodec = info.AudioCodec;
MaxAudioChannels = info.MaxAudioChannels;
AudioBitRate = info.AudioBitrate;
AudioSampleRate = info.TargetAudioSampleRate;
DeviceProfile = deviceProfile;
VideoCodec = info.VideoCodec;
VideoBitRate = info.VideoBitrate;
AudioStreamIndex = info.AudioStreamIndex;
SubtitleStreamIndex = info.SubtitleStreamIndex;
MaxRefFrames = info.MaxRefFrames;
MaxVideoBitDepth = info.MaxVideoBitDepth;
SubtitleMethod = info.SubtitleDeliveryMethod;
Cabac = info.Cabac;
Context = info.Context;
}
}
}

11
MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
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@ -107,5 +107,16 @@ namespace MediaBrowser.Controller.MediaEncoding
Task<string> EncodeAudio(EncodingJobOptions options,
IProgress<double> progress,
CancellationToken cancellationToken);
/// <summary>
/// Encodes the video.
/// </summary>
/// <param name="options">The options.</param>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task&lt;System.String&gt;.</returns>
Task<string> EncodeVideo(EncodingJobOptions options,
IProgress<double> progress,
CancellationToken cancellationToken);
}
}

86
MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs Normal file
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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class AudioEncoder : BaseEncoder
{
public AudioEncoder(MediaEncoder mediaEncoder, ILogger logger, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILiveTvManager liveTvManager, IIsoManager isoManager, ILibraryManager libraryManager, IChannelManager channelManager, ISessionManager sessionManager, ISubtitleEncoder subtitleEncoder) : base(mediaEncoder, logger, configurationManager, fileSystem, liveTvManager, isoManager, libraryManager, channelManager, sessionManager, subtitleEncoder)
{
}
protected override string GetCommandLineArguments(EncodingJob job)
{
var audioTranscodeParams = new List<string>();
var bitrate = job.OutputAudioBitrate;
if (bitrate.HasValue)
{
audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
}
if (job.OutputAudioChannels.HasValue)
{
audioTranscodeParams.Add("-ac " + job.OutputAudioChannels.Value.ToString(UsCulture));
}
if (job.OutputAudioSampleRate.HasValue)
{
audioTranscodeParams.Add("-ar " + job.OutputAudioSampleRate.Value.ToString(UsCulture));
}
var threads = GetNumberOfThreads(job, false);
var inputModifier = GetInputModifier(job);
return string.Format("{0} {1} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1 -y \"{5}\"",
inputModifier,
GetInputArgument(job),
threads,
" -vn",
string.Join(" ", audioTranscodeParams.ToArray()),
job.OutputFilePath).Trim();
}
protected override string GetOutputFileExtension(EncodingJob state)
{
var ext = base.GetOutputFileExtension(state);
if (!string.IsNullOrEmpty(ext))
{
return ext;
}
var audioCodec = state.Options.AudioCodec;
if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".aac";
}
if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".mp3";
}
if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".ogg";
}
if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".wma";
}
return null;
}
}
}

1049
MediaBrowser.MediaEncoding/Encoder/BaseEncoder.cs Normal file
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434
MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs Normal file
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using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Drawing;
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 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 List<MediaStream> AllMediaStreams { 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 LiveTvStreamId { 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 ILiveTvManager _liveTvManager;
public EncodingJob(ILogger logger, ILiveTvManager liveTvManager)
{
_logger = logger;
_liveTvManager = liveTvManager;
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);
AllMediaStreams = new List<MediaStream>();
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 (!string.IsNullOrEmpty(LiveTvStreamId))
{
try
{
await _liveTvManager.CloseLiveStream(LiveTvStreamId, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error closing live tv stream", 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 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 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)
{
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)
// });
}
}
}
}

830
MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs Normal file
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@ -0,0 +1,830 @@
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.MediaInfo;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class EncodingJobFactory
{
private readonly ILogger _logger;
private readonly ILiveTvManager _liveTvManager;
private readonly ILibraryManager _libraryManager;
private readonly IChannelManager _channelManager;
protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
public EncodingJobFactory(ILogger logger, ILiveTvManager liveTvManager, ILibraryManager libraryManager, IChannelManager channelManager)
{
_logger = logger;
_liveTvManager = liveTvManager;
_libraryManager = libraryManager;
_channelManager = channelManager;
}
public async Task<EncodingJob> CreateJob(EncodingJobOptions options, bool isVideoRequest, IProgress<double> progress, CancellationToken cancellationToken)
{
var request = options;
if (string.IsNullOrEmpty(request.AudioCodec))
{
request.AudioCodec = InferAudioCodec(request.OutputContainer);
}
var state = new EncodingJob(_logger, _liveTvManager)
{
Options = options,
IsVideoRequest = isVideoRequest,
Progress = progress
};
if (!string.IsNullOrWhiteSpace(request.AudioCodec))
{
state.SupportedAudioCodecs = request.AudioCodec.Split(',').Where(i => !string.IsNullOrWhiteSpace(i)).ToList();
request.AudioCodec = state.SupportedAudioCodecs.FirstOrDefault();
}
var item = _libraryManager.GetItemById(request.ItemId);
List<MediaStream> mediaStreams = null;
state.ItemType = item.GetType().Name;
if (item is ILiveTvRecording)
{
var recording = await _liveTvManager.GetInternalRecording(request.ItemId, cancellationToken).ConfigureAwait(false);
state.VideoType = VideoType.VideoFile;
state.IsInputVideo = string.Equals(recording.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
var path = recording.RecordingInfo.Path;
var mediaUrl = recording.RecordingInfo.Url;
var source = string.IsNullOrEmpty(request.MediaSourceId)
? recording.GetMediaSources(false).First()
: recording.GetMediaSources(false).First(i => string.Equals(i.Id, request.MediaSourceId));
mediaStreams = source.MediaStreams;
// Just to prevent this from being null and causing other methods to fail
state.MediaPath = string.Empty;
if (!string.IsNullOrEmpty(path))
{
state.MediaPath = path;
state.InputProtocol = MediaProtocol.File;
}
else if (!string.IsNullOrEmpty(mediaUrl))
{
state.MediaPath = mediaUrl;
state.InputProtocol = MediaProtocol.Http;
}
state.RunTimeTicks = recording.RunTimeTicks;
state.DeInterlace = true;
state.OutputAudioSync = "1000";
state.InputVideoSync = "-1";
state.InputAudioSync = "1";
state.InputContainer = recording.Container;
state.ReadInputAtNativeFramerate = source.ReadAtNativeFramerate;
}
else if (item is LiveTvChannel)
{
var channel = _liveTvManager.GetInternalChannel(request.ItemId);
state.VideoType = VideoType.VideoFile;
state.IsInputVideo = string.Equals(channel.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
mediaStreams = new List<MediaStream>();
state.DeInterlace = true;
// Just to prevent this from being null and causing other methods to fail
state.MediaPath = string.Empty;
}
else if (item is IChannelMediaItem)
{
var mediaSource = await GetChannelMediaInfo(request.ItemId, request.MediaSourceId, cancellationToken).ConfigureAwait(false);
state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
state.InputProtocol = mediaSource.Protocol;
state.MediaPath = mediaSource.Path;
state.RunTimeTicks = item.RunTimeTicks;
state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders;
state.InputBitrate = mediaSource.Bitrate;
state.InputFileSize = mediaSource.Size;
state.ReadInputAtNativeFramerate = mediaSource.ReadAtNativeFramerate;
mediaStreams = mediaSource.MediaStreams;
}
else
{
var hasMediaSources = (IHasMediaSources)item;
var mediaSource = string.IsNullOrEmpty(request.MediaSourceId)
? hasMediaSources.GetMediaSources(false).First()
: hasMediaSources.GetMediaSources(false).First(i => string.Equals(i.Id, request.MediaSourceId));
mediaStreams = mediaSource.MediaStreams;
state.MediaPath = mediaSource.Path;
state.InputProtocol = mediaSource.Protocol;
state.InputContainer = mediaSource.Container;
state.InputFileSize = mediaSource.Size;
state.InputBitrate = mediaSource.Bitrate;
state.ReadInputAtNativeFramerate = mediaSource.ReadAtNativeFramerate;
var video = item as Video;
if (video != null)
{
state.IsInputVideo = true;
if (mediaSource.VideoType.HasValue)
{
state.VideoType = mediaSource.VideoType.Value;
}
state.IsoType = mediaSource.IsoType;
state.PlayableStreamFileNames = mediaSource.PlayableStreamFileNames.ToList();
if (mediaSource.Timestamp.HasValue)
{
state.InputTimestamp = mediaSource.Timestamp.Value;
}
}
state.RunTimeTicks = mediaSource.RunTimeTicks;
}
AttachMediaStreamInfo(state, mediaStreams, request);
state.OutputAudioBitrate = GetAudioBitrateParam(request, state.AudioStream);
state.OutputAudioSampleRate = request.AudioSampleRate;
state.OutputAudioCodec = GetAudioCodec(request);
state.OutputAudioChannels = GetNumAudioChannelsParam(request, state.AudioStream, state.OutputAudioCodec);
if (isVideoRequest)
{
state.OutputVideoCodec = GetVideoCodec(request);
state.OutputVideoBitrate = GetVideoBitrateParamValue(request, state.VideoStream);
if (state.OutputVideoBitrate.HasValue)
{
var resolution = ResolutionNormalizer.Normalize(state.OutputVideoBitrate.Value,
state.OutputVideoCodec,
request.MaxWidth,
request.MaxHeight);
request.MaxWidth = resolution.MaxWidth;
request.MaxHeight = resolution.MaxHeight;
}
}
ApplyDeviceProfileSettings(state);
if (isVideoRequest)
{
if (state.VideoStream != null && CanStreamCopyVideo(request, state.VideoStream))
{
state.OutputVideoCodec = "copy";
}
if (state.AudioStream != null && CanStreamCopyAudio(request, state.AudioStream, state.SupportedAudioCodecs))
{
state.OutputAudioCodec = "copy";
}
}
return state;
}
internal static void AttachMediaStreamInfo(EncodingJob state,
List<MediaStream> mediaStreams,
EncodingJobOptions videoRequest)
{
if (videoRequest != null)
{
if (string.IsNullOrEmpty(videoRequest.VideoCodec))
{
videoRequest.VideoCodec = InferVideoCodec(videoRequest.OutputContainer);
}
state.VideoStream = GetMediaStream(mediaStreams, videoRequest.VideoStreamIndex, MediaStreamType.Video);
state.SubtitleStream = GetMediaStream(mediaStreams, videoRequest.SubtitleStreamIndex, MediaStreamType.Subtitle, false);
state.AudioStream = GetMediaStream(mediaStreams, videoRequest.AudioStreamIndex, MediaStreamType.Audio);
if (state.SubtitleStream != null && !state.SubtitleStream.IsExternal)
{
state.InternalSubtitleStreamOffset = mediaStreams.Where(i => i.Type == MediaStreamType.Subtitle && !i.IsExternal).ToList().IndexOf(state.SubtitleStream);
}
if (state.VideoStream != null && state.VideoStream.IsInterlaced)
{
state.DeInterlace = true;
}
EnforceResolutionLimit(state, videoRequest);
}
else
{
state.AudioStream = GetMediaStream(mediaStreams, null, MediaStreamType.Audio, true);
}
state.AllMediaStreams = mediaStreams;
}
/// <summary>
/// Infers the video codec.
/// </summary>
/// <param name="container">The container.</param>
/// <returns>System.Nullable{VideoCodecs}.</returns>
private static string InferVideoCodec(string container)
{
if (string.Equals(container, "asf", StringComparison.OrdinalIgnoreCase))
{
return "wmv";
}
if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
{
return "vpx";
}
if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
{
return "theora";
}
if (string.Equals(container, "m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ts", StringComparison.OrdinalIgnoreCase))
{
return "h264";
}
return "copy";
}
private string InferAudioCodec(string container)
{
if (string.Equals(container, "mp3", StringComparison.OrdinalIgnoreCase))
{
return "mp3";
}
if (string.Equals(container, "aac", StringComparison.OrdinalIgnoreCase))
{
return "aac";
}
if (string.Equals(container, "wma", StringComparison.OrdinalIgnoreCase))
{
return "wma";
}
if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "oga", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "webma", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
return "copy";
}
/// <summary>
/// Determines which stream will be used for playback
/// </summary>
/// <param name="allStream">All stream.</param>
/// <param name="desiredIndex">Index of the desired.</param>
/// <param name="type">The type.</param>
/// <param name="returnFirstIfNoIndex">if set to <c>true</c> [return first if no index].</param>
/// <returns>MediaStream.</returns>
private static MediaStream GetMediaStream(IEnumerable<MediaStream> allStream, int? desiredIndex, MediaStreamType type, bool returnFirstIfNoIndex = true)
{
var streams = allStream.Where(s => s.Type == type).OrderBy(i => i.Index).ToList();
if (desiredIndex.HasValue)
{
var stream = streams.FirstOrDefault(s => s.Index == desiredIndex.Value);
if (stream != null)
{
return stream;
}
}
if (type == MediaStreamType.Video)
{
streams = streams.Where(i => !string.Equals(i.Codec, "mjpeg", StringComparison.OrdinalIgnoreCase)).ToList();
}
if (returnFirstIfNoIndex && type == MediaStreamType.Audio)
{
return streams.FirstOrDefault(i => i.Channels.HasValue && i.Channels.Value > 0) ??
streams.FirstOrDefault();
}
// Just return the first one
return returnFirstIfNoIndex ? streams.FirstOrDefault() : null;
}
/// <summary>
/// Enforces the resolution limit.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="videoRequest">The video request.</param>
private static void EnforceResolutionLimit(EncodingJob state, EncodingJobOptions videoRequest)
{
// Switch the incoming params to be ceilings rather than fixed values
videoRequest.MaxWidth = videoRequest.MaxWidth ?? videoRequest.Width;
videoRequest.MaxHeight = videoRequest.MaxHeight ?? videoRequest.Height;
videoRequest.Width = null;
videoRequest.Height = null;
}
/// <summary>
/// Gets the number of audio channels to specify on the command line
/// </summary>
/// <param name="request">The request.</param>
/// <param name="audioStream">The audio stream.</param>
/// <param name="outputAudioCodec">The output audio codec.</param>
/// <returns>System.Nullable{System.Int32}.</returns>
private int? GetNumAudioChannelsParam(EncodingJobOptions request, MediaStream audioStream, string outputAudioCodec)
{
if (audioStream != null)
{
var codec = outputAudioCodec ?? string.Empty;
if (audioStream.Channels > 2 && codec.IndexOf("wma", StringComparison.OrdinalIgnoreCase) != -1)
{
// wmav2 currently only supports two channel output
return 2;
}
}
if (request.MaxAudioChannels.HasValue)
{
if (audioStream != null && audioStream.Channels.HasValue)
{
return Math.Min(request.MaxAudioChannels.Value, audioStream.Channels.Value);
}
// If we don't have any media info then limit it to 5 to prevent encoding errors due to asking for too many channels
return Math.Min(request.MaxAudioChannels.Value, 5);
}
return request.AudioChannels;
}
private int? GetVideoBitrateParamValue(EncodingJobOptions request, MediaStream videoStream)
{
var bitrate = request.VideoBitRate;
if (videoStream != null)
{
var isUpscaling = request.Height.HasValue && videoStream.Height.HasValue &&
request.Height.Value > videoStream.Height.Value;
if (request.Width.HasValue && videoStream.Width.HasValue &&
request.Width.Value > videoStream.Width.Value)
{
isUpscaling = true;
}
// Don't allow bitrate increases unless upscaling
if (!isUpscaling)
{
if (bitrate.HasValue && videoStream.BitRate.HasValue)
{
bitrate = Math.Min(bitrate.Value, videoStream.BitRate.Value);
}
}
}
return bitrate;
}
private async Task<MediaSourceInfo> GetChannelMediaInfo(string id,
string mediaSourceId,
CancellationToken cancellationToken)
{
var channelMediaSources = await _channelManager.GetChannelItemMediaSources(id, true, cancellationToken)
.ConfigureAwait(false);
var list = channelMediaSources.ToList();
if (!string.IsNullOrWhiteSpace(mediaSourceId))
{
var source = list
.FirstOrDefault(i => string.Equals(mediaSourceId, i.Id));
if (source != null)
{
return source;
}
}
return list.First();
}
protected string GetVideoBitrateParam(EncodingJob state, string videoCodec, bool isHls)
{
var bitrate = state.OutputVideoBitrate;
if (bitrate.HasValue)
{
var hasFixedResolution = state.Options.HasFixedResolution;
if (string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase))
{
if (hasFixedResolution)
{
return string.Format(" -minrate:v ({0}*.90) -maxrate:v ({0}*1.10) -bufsize:v {0} -b:v {0}", bitrate.Value.ToString(UsCulture));
}
// With vpx when crf is used, b:v becomes a max rate
// https://trac.ffmpeg.org/wiki/vpxEncodingGuide. But higher bitrate source files -b:v causes judder so limite the bitrate but dont allow it to "saturate" the bitrate. So dont contrain it down just up.
return string.Format(" -maxrate:v {0} -bufsize:v ({0}*2) -b:v {0}", bitrate.Value.ToString(UsCulture));
}
if (string.Equals(videoCodec, "msmpeg4", StringComparison.OrdinalIgnoreCase))
{
return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
// H264
if (hasFixedResolution)
{
if (isHls)
{
return string.Format(" -b:v {0} -maxrate ({0}*.80) -bufsize {0}", bitrate.Value.ToString(UsCulture));
}
return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
return string.Format(" -maxrate {0} -bufsize {1}",
bitrate.Value.ToString(UsCulture),
(bitrate.Value * 2).ToString(UsCulture));
}
return string.Empty;
}
private int? GetAudioBitrateParam(EncodingJobOptions request, MediaStream audioStream)
{
if (request.AudioBitRate.HasValue)
{
// Make sure we don't request a bitrate higher than the source
var currentBitrate = audioStream == null ? request.AudioBitRate.Value : audioStream.BitRate ?? request.AudioBitRate.Value;
return request.AudioBitRate.Value;
//return Math.Min(currentBitrate, request.AudioBitRate.Value);
}
return null;
}
/// <summary>
/// Determines whether the specified stream is H264.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns><c>true</c> if the specified stream is H264; otherwise, <c>false</c>.</returns>
protected bool IsH264(MediaStream stream)
{
var codec = stream.Codec ?? string.Empty;
return codec.IndexOf("264", StringComparison.OrdinalIgnoreCase) != -1 ||
codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1;
}
/// <summary>
/// Gets the name of the output audio codec
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.String.</returns>
private string GetAudioCodec(EncodingJobOptions request)
{
var codec = request.AudioCodec;
if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase))
{
return "aac -strict experimental";
}
if (string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase))
{
return "libmp3lame";
}
if (string.Equals(codec, "vorbis", StringComparison.OrdinalIgnoreCase))
{
return "libvorbis";
}
if (string.Equals(codec, "wma", StringComparison.OrdinalIgnoreCase))
{
return "wmav2";
}
return (codec ?? string.Empty).ToLower();
}
/// <summary>
/// Gets the name of the output video codec
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.String.</returns>
private string GetVideoCodec(EncodingJobOptions request)
{
var codec = request.VideoCodec;
if (!string.IsNullOrEmpty(codec))
{
if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
{
return "libx264";
}
if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase))
{
return "libx265";
}
if (string.Equals(codec, "vpx", StringComparison.OrdinalIgnoreCase))
{
return "libvpx";
}
if (string.Equals(codec, "wmv", StringComparison.OrdinalIgnoreCase))
{
return "wmv2";
}
if (string.Equals(codec, "theora", StringComparison.OrdinalIgnoreCase))
{
return "libtheora";
}
return codec.ToLower();
}
return "copy";
}
internal static bool CanStreamCopyVideo(EncodingJobOptions request, MediaStream videoStream)
{
if (videoStream.IsInterlaced)
{
return false;
}
// Can't stream copy if we're burning in subtitles
if (request.SubtitleStreamIndex.HasValue)
{
if (request.SubtitleMethod == SubtitleDeliveryMethod.Encode)
{
return false;
}
}
// Source and target codecs must match
if (!string.Equals(request.VideoCodec, videoStream.Codec, StringComparison.OrdinalIgnoreCase))
{
return false;
}
// If client is requesting a specific video profile, it must match the source
if (!string.IsNullOrEmpty(request.Profile))
{
if (string.IsNullOrEmpty(videoStream.Profile))
{
return false;
}
if (!string.Equals(request.Profile, videoStream.Profile, StringComparison.OrdinalIgnoreCase))
{
var currentScore = GetVideoProfileScore(videoStream.Profile);
var requestedScore = GetVideoProfileScore(request.Profile);
if (currentScore == -1 || currentScore > requestedScore)
{
return false;
}
}
}
// Video width must fall within requested value
if (request.MaxWidth.HasValue)
{
if (!videoStream.Width.HasValue || videoStream.Width.Value > request.MaxWidth.Value)
{
return false;
}
}
// Video height must fall within requested value
if (request.MaxHeight.HasValue)
{
if (!videoStream.Height.HasValue || videoStream.Height.Value > request.MaxHeight.Value)
{
return false;
}
}
// Video framerate must fall within requested value
var requestedFramerate = request.MaxFramerate ?? request.Framerate;
if (requestedFramerate.HasValue)
{
var videoFrameRate = videoStream.AverageFrameRate ?? videoStream.RealFrameRate;
if (!videoFrameRate.HasValue || videoFrameRate.Value > requestedFramerate.Value)
{
return false;
}
}
// Video bitrate must fall within requested value
if (request.VideoBitRate.HasValue)
{
if (!videoStream.BitRate.HasValue || videoStream.BitRate.Value > request.VideoBitRate.Value)
{
return false;
}
}
if (request.MaxVideoBitDepth.HasValue)
{
if (videoStream.BitDepth.HasValue && videoStream.BitDepth.Value > request.MaxVideoBitDepth.Value)
{
return false;
}
}
if (request.MaxRefFrames.HasValue)
{
if (videoStream.RefFrames.HasValue && videoStream.RefFrames.Value > request.MaxRefFrames.Value)
{
return false;
}
}
// If a specific level was requested, the source must match or be less than
if (request.Level.HasValue)
{
if (!videoStream.Level.HasValue)
{
return false;
}
if (videoStream.Level.Value > request.Level.Value)
{
return false;
}
}
if (request.Cabac.HasValue && request.Cabac.Value)
{
if (videoStream.IsCabac.HasValue && !videoStream.IsCabac.Value)
{
return false;
}
}
return request.EnableAutoStreamCopy;
}
private static int GetVideoProfileScore(string profile)
{
var list = new List<string>
{
"Constrained Baseline",
"Baseline",
"Extended",
"Main",
"High",
"Progressive High",
"Constrained High"
};
return Array.FindIndex(list.ToArray(), t => string.Equals(t, profile, StringComparison.OrdinalIgnoreCase));
}
internal static bool CanStreamCopyAudio(EncodingJobOptions request, MediaStream audioStream, List<string> supportedAudioCodecs)
{
// Source and target codecs must match
if (string.IsNullOrEmpty(audioStream.Codec) || !supportedAudioCodecs.Contains(audioStream.Codec, StringComparer.OrdinalIgnoreCase))
{
return false;
}
// Video bitrate must fall within requested value
if (request.AudioBitRate.HasValue)
{
if (!audioStream.BitRate.HasValue || audioStream.BitRate.Value <= 0)
{
return false;
}
if (audioStream.BitRate.Value > request.AudioBitRate.Value)
{
return false;
}
}
// Channels must fall within requested value
var channels = request.AudioChannels ?? request.MaxAudioChannels;
if (channels.HasValue)
{
if (!audioStream.Channels.HasValue || audioStream.Channels.Value <= 0)
{
return false;
}
if (audioStream.Channels.Value > channels.Value)
{
return false;
}
}
// Sample rate must fall within requested value
if (request.AudioSampleRate.HasValue)
{
if (!audioStream.SampleRate.HasValue || audioStream.SampleRate.Value <= 0)
{
return false;
}
if (audioStream.SampleRate.Value > request.AudioSampleRate.Value)
{
return false;
}
}
return request.EnableAutoStreamCopy;
}
private void ApplyDeviceProfileSettings(EncodingJob state)
{
var profile = state.Options.DeviceProfile;
if (profile == null)
{
// Don't use settings from the default profile.
// Only use a specific profile if it was requested.
return;
}
var audioCodec = state.ActualOutputAudioCodec;
var videoCodec = state.ActualOutputVideoCodec;
var outputContainer = state.Options.OutputContainer;
var mediaProfile = state.IsVideoRequest ?
profile.GetAudioMediaProfile(outputContainer, audioCodec, state.OutputAudioChannels, state.OutputAudioBitrate) :
profile.GetVideoMediaProfile(outputContainer,
audioCodec,
videoCodec,
state.OutputAudioBitrate,
state.OutputAudioChannels,
state.OutputWidth,
state.OutputHeight,
state.TargetVideoBitDepth,
state.OutputVideoBitrate,
state.TargetVideoProfile,
state.TargetVideoLevel,
state.TargetFramerate,
state.TargetPacketLength,
state.TargetTimestamp,
state.IsTargetAnamorphic,
state.IsTargetCabac,
state.TargetRefFrames);
if (mediaProfile != null)
{
state.MimeType = mediaProfile.MimeType;
}
var transcodingProfile = state.IsVideoRequest ?
profile.GetAudioTranscodingProfile(outputContainer, audioCodec) :
profile.GetVideoTranscodingProfile(outputContainer, audioCodec, videoCodec);
if (transcodingProfile != null)
{
state.EstimateContentLength = transcodingProfile.EstimateContentLength;
state.EnableMpegtsM2TsMode = transcodingProfile.EnableMpegtsM2TsMode;
state.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
}
}
}
}

122
MediaBrowser.MediaEncoding/Encoder/JobLogger.cs Normal file
View File

@ -0,0 +1,122 @@
using MediaBrowser.Common.Extensions;
using MediaBrowser.Model.Logging;
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class JobLogger
{
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private readonly ILogger _logger;
public JobLogger(ILogger logger)
{
_logger = logger;
}
public async void StartStreamingLog(EncodingJob transcodingJob, Stream source, Stream target)
{
try
{
using (var reader = new StreamReader(source))
{
while (!reader.EndOfStream)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
ParseLogLine(line, transcodingJob);
var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line);
await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
}
}
catch (Exception ex)
{
_logger.ErrorException("Error reading ffmpeg log", ex);
}
}
private void ParseLogLine(string line, EncodingJob transcodingJob)
{
float? framerate = null;
double? percent = null;
TimeSpan? transcodingPosition = null;
long? bytesTranscoded = null;
var parts = line.Split(' ');
var totalMs = transcodingJob.RunTimeTicks.HasValue
? TimeSpan.FromTicks(transcodingJob.RunTimeTicks.Value).TotalMilliseconds
: 0;
var startMs = transcodingJob.Options.StartTimeTicks.HasValue
? TimeSpan.FromTicks(transcodingJob.Options.StartTimeTicks.Value).TotalMilliseconds
: 0;
for (var i = 0; i < parts.Length; i++)
{
var part = parts[i];
if (string.Equals(part, "fps=", StringComparison.OrdinalIgnoreCase) &&
(i + 1 < parts.Length))
{
var rate = parts[i + 1];
float val;
if (float.TryParse(rate, NumberStyles.Any, _usCulture, out val))
{
framerate = val;
}
}
else if (transcodingJob.RunTimeTicks.HasValue &&
part.StartsWith("time=", StringComparison.OrdinalIgnoreCase))
{
var time = part.Split(new[] { '=' }, 2).Last();
TimeSpan val;
if (TimeSpan.TryParse(time, _usCulture, out val))
{
var currentMs = startMs + val.TotalMilliseconds;
var percentVal = currentMs / totalMs;
percent = 100 * percentVal;
transcodingPosition = val;
}
}
else if (part.StartsWith("size=", StringComparison.OrdinalIgnoreCase))
{
var size = part.Split(new[] { '=' }, 2).Last();
int? scale = null;
if (size.IndexOf("kb", StringComparison.OrdinalIgnoreCase) != -1)
{
scale = 1024;
size = size.Replace("kb", string.Empty, StringComparison.OrdinalIgnoreCase);
}
if (scale.HasValue)
{
long val;
if (long.TryParse(size, NumberStyles.Any, _usCulture, out val))
{
bytesTranscoded = val * scale.Value;
}
}
}
}
if (framerate.HasValue || percent.HasValue)
{
transcodingJob.ReportTranscodingProgress(transcodingPosition, framerate, percent, bytesTranscoded);
}
}
}
}

46
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
View File

@ -64,8 +64,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
protected readonly ILibraryManager LibraryManager;
protected readonly IChannelManager ChannelManager;
protected readonly ISessionManager SessionManager;
public MediaEncoder(ILogger logger, IJsonSerializer jsonSerializer, string ffMpegPath, string ffProbePath, string version, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILiveTvManager liveTvManager, IIsoManager isoManager, ILibraryManager libraryManager, IChannelManager channelManager, ISessionManager sessionManager)
protected readonly Func<ISubtitleEncoder> SubtitleEncoder;
public MediaEncoder(ILogger logger, IJsonSerializer jsonSerializer, string ffMpegPath, string ffProbePath, string version, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILiveTvManager liveTvManager, IIsoManager isoManager, ILibraryManager libraryManager, IChannelManager channelManager, ISessionManager sessionManager, Func<ISubtitleEncoder> subtitleEncoder)
{
_logger = logger;
_jsonSerializer = jsonSerializer;
@ -77,6 +78,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
LibraryManager = libraryManager;
ChannelManager = channelManager;
SessionManager = sessionManager;
SubtitleEncoder = subtitleEncoder;
FFProbePath = ffProbePath;
FFMpegPath = ffMpegPath;
}
@ -494,7 +496,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
};
_logger.Info(process.StartInfo.FileName + " " + process.StartInfo.Arguments);
await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
process.Start();
@ -537,15 +539,37 @@ namespace MediaBrowser.MediaEncoding.Encoder
IProgress<double> progress,
CancellationToken cancellationToken)
{
var job = await new AudioEncoder(this,
_logger,
ConfigurationManager,
FileSystem,
var job = await new AudioEncoder(this,
_logger,
ConfigurationManager,
FileSystem,
LiveTvManager,
IsoManager,
LibraryManager,
ChannelManager,
SessionManager)
IsoManager,
LibraryManager,
ChannelManager,
SessionManager,
SubtitleEncoder())
.Start(options, progress, cancellationToken).ConfigureAwait(false);
await job.TaskCompletionSource.Task.ConfigureAwait(false);
return job.OutputFilePath;
}
public async Task<string> EncodeVideo(EncodingJobOptions options,
IProgress<double> progress,
CancellationToken cancellationToken)
{
var job = await new VideoEncoder(this,
_logger,
ConfigurationManager,
FileSystem,
LiveTvManager,
IsoManager,
LibraryManager,
ChannelManager,
SessionManager,
SubtitleEncoder())
.Start(options, progress, cancellationToken).ConfigureAwait(false);
await job.TaskCompletionSource.Task.ConfigureAwait(false);

177
MediaBrowser.MediaEncoding/Encoder/VideoEncoder.cs Normal file
View File

@ -0,0 +1,177 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Logging;
using System;
using System.IO;
namespace MediaBrowser.MediaEncoding.Encoder
{
public class VideoEncoder : BaseEncoder
{
public VideoEncoder(MediaEncoder mediaEncoder, ILogger logger, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILiveTvManager liveTvManager, IIsoManager isoManager, ILibraryManager libraryManager, IChannelManager channelManager, ISessionManager sessionManager, ISubtitleEncoder subtitleEncoder) : base(mediaEncoder, logger, configurationManager, fileSystem, liveTvManager, isoManager, libraryManager, channelManager, sessionManager, subtitleEncoder)
{
}
protected override string GetCommandLineArguments(EncodingJob state)
{
// Get the output codec name
var videoCodec = state.OutputVideoCodec;
var format = string.Empty;
var keyFrame = string.Empty;
if (string.Equals(Path.GetExtension(state.OutputFilePath), ".mp4", StringComparison.OrdinalIgnoreCase))
{
format = " -f mp4 -movflags frag_keyframe+empty_moov";
}
var threads = GetNumberOfThreads(state, string.Equals(videoCodec, "libvpx", StringComparison.OrdinalIgnoreCase));
var inputModifier = GetInputModifier(state);
return string.Format("{0} {1}{2} {3} {4} -map_metadata -1 -threads {5} {6}{7} -y \"{8}\"",
inputModifier,
GetInputArgument(state),
keyFrame,
GetMapArgs(state),
GetVideoArguments(state, videoCodec),
threads,
GetAudioArguments(state),
format,
state.OutputFilePath
).Trim();
}
/// <summary>
/// Gets video arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <param name="codec">The video codec.</param>
/// <returns>System.String.</returns>
private string GetVideoArguments(EncodingJob state, string codec)
{
var args = "-codec:v:0 " + codec;
if (state.EnableMpegtsM2TsMode)
{
args += " -mpegts_m2ts_mode 1";
}
// See if we can save come cpu cycles by avoiding encoding
if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
{
return state.VideoStream != null && IsH264(state.VideoStream) && string.Equals(state.Options.OutputContainer, "ts", StringComparison.OrdinalIgnoreCase) ?
args + " -bsf:v h264_mp4toannexb" :
args;
}
var keyFrameArg = string.Format(" -force_key_frames expr:gte(t,n_forced*{0})",
5.ToString(UsCulture));
args += keyFrameArg;
var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream;
// Add resolution params, if specified
if (!hasGraphicalSubs)
{
args += GetOutputSizeParam(state, codec);
}
var qualityParam = GetVideoQualityParam(state, codec, false);
if (!string.IsNullOrEmpty(qualityParam))
{
args += " " + qualityParam.Trim();
}
// This is for internal graphical subs
if (hasGraphicalSubs)
{
args += GetGraphicalSubtitleParam(state, codec);
}
return args;
}
/// <summary>
/// Gets audio arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
private string GetAudioArguments(EncodingJob state)
{
// If the video doesn't have an audio stream, return a default.
if (state.AudioStream == null && state.VideoStream != null)
{
return string.Empty;
}
// Get the output codec name
var codec = state.OutputAudioCodec;
var args = "-codec:a:0 " + codec;
if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
{
return args;
}
// Add the number of audio channels
var channels = state.OutputAudioChannels;
if (channels.HasValue)
{
args += " -ac " + channels.Value;
}
var bitrate = state.OutputAudioBitrate;
if (bitrate.HasValue)
{
args += " -ab " + bitrate.Value.ToString(UsCulture);
}
args += " " + GetAudioFilterParam(state, false);
return args;
}
protected override string GetOutputFileExtension(EncodingJob state)
{
var ext = base.GetOutputFileExtension(state);
if (!string.IsNullOrEmpty(ext))
{
return ext;
}
var videoCodec = state.Options.VideoCodec;
if (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase))
{
return ".ts";
}
if (string.Equals(videoCodec, "theora", StringComparison.OrdinalIgnoreCase))
{
return ".ogv";
}
if (string.Equals(videoCodec, "vpx", StringComparison.OrdinalIgnoreCase))
{
return ".webm";
}
if (string.Equals(videoCodec, "wmv", StringComparison.OrdinalIgnoreCase))
{
return ".asf";
}
return null;
}
}
}

1
MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj
View File

@ -64,6 +64,7 @@
<Compile Include="Encoder\EncodingUtils.cs" />
<Compile Include="Encoder\JobLogger.cs" />
<Compile Include="Encoder\MediaEncoder.cs" />
<Compile Include="Encoder\VideoEncoder.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Subtitles\ISubtitleParser.cs" />
<Compile Include="Subtitles\ISubtitleWriter.cs" />

6
MediaBrowser.Server.Implementations/Sync/SyncJobProcessor.cs
View File

@ -412,7 +412,7 @@ namespace MediaBrowser.Server.Implementations.Sync
jobItem.Status = SyncJobItemStatus.Converting;
await _syncRepo.Update(jobItem).ConfigureAwait(false);
//jobItem.OutputPath = await MediaEncoder.EncodeAudio(new EncodingJobOptions(streamInfo, profile), new Progress<double>(), cancellationToken);
jobItem.OutputPath = await MediaEncoder.EncodeVideo(new EncodingJobOptions(streamInfo, profile), new Progress<double>(), cancellationToken);
}
else
{
@ -420,7 +420,7 @@ namespace MediaBrowser.Server.Implementations.Sync
{
jobItem.OutputPath = mediaSource.Path;
}
if (mediaSource.Protocol == MediaProtocol.Http)
else if (mediaSource.Protocol == MediaProtocol.Http)
{
jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
@ -464,7 +464,7 @@ namespace MediaBrowser.Server.Implementations.Sync
{
jobItem.OutputPath = mediaSource.Path;
}
if (mediaSource.Protocol == MediaProtocol.Http)
else if (mediaSource.Protocol == MediaProtocol.Http)
{
jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}

7
MediaBrowser.Server.Startup.Common/ApplicationHost.cs
View File

@ -185,6 +185,7 @@ namespace MediaBrowser.Server.Startup.Common
/// </summary>
/// <value>The media encoder.</value>
private IMediaEncoder MediaEncoder { get; set; }
private ISubtitleEncoder SubtitleEncoder { get; set; }
private IConnectManager ConnectManager { get; set; }
private ISessionManager SessionManager { get; set; }
@ -560,7 +561,8 @@ namespace MediaBrowser.Server.Startup.Common
RegisterSingleInstance<ISessionContext>(new SessionContext(UserManager, authContext, SessionManager));
RegisterSingleInstance<IAuthService>(new AuthService(UserManager, authContext, ServerConfigurationManager, ConnectManager, SessionManager, DeviceManager));
RegisterSingleInstance<ISubtitleEncoder>(new SubtitleEncoder(LibraryManager, LogManager.GetLogger("SubtitleEncoder"), ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer));
SubtitleEncoder = new SubtitleEncoder(LibraryManager, LogManager.GetLogger("SubtitleEncoder"), ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer);
RegisterSingleInstance(SubtitleEncoder);
await ConfigureDisplayPreferencesRepositories().ConfigureAwait(false);
await ConfigureItemRepositories().ConfigureAwait(false);
@ -602,7 +604,8 @@ namespace MediaBrowser.Server.Startup.Common
IsoManager,
LibraryManager,
ChannelManager,
SessionManager);
SessionManager,
() => SubtitleEncoder);
RegisterSingleInstance(MediaEncoder);
}