993 lines
31 KiB
C#
993 lines
31 KiB
C#
|
using MediaBrowser.Common.Extensions;
|
|||
|
|
using MediaBrowser.Common.IO;
|
|||
|
|
using MediaBrowser.Common.Net;
|
|||
|
|
using MediaBrowser.Common.Net.Handlers;
|
|||
|
|
using MediaBrowser.Controller;
|
|||
|
|
using MediaBrowser.Controller.Entities;
|
|||
|
|
using MediaBrowser.Controller.Entities.Audio;
|
|||
|
|
using MediaBrowser.Controller.Library;
|
|||
|
|
using MediaBrowser.Model.Drawing;
|
|||
|
|
using MediaBrowser.Model.DTO;
|
|||
|
|
using MediaBrowser.Model.Entities;
|
|||
|
|
using System;
|
|||
|
|
using System.ComponentModel;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
using System.IO;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Threading;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
namespace MediaBrowser.Api.Streaming
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Represents a common base class for both progressive and hls streaming
|
|||
|
|
/// </summary>
|
|||
|
|
/// <typeparam name="TBaseItemType">The type of the T base item type.</typeparam>
|
|||
|
|
public abstract class BaseStreamingHandler<TBaseItemType> : BaseHandler<Kernel>
|
|||
|
|
where TBaseItemType : BaseItem, IHasMediaStreams, new()
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the command line arguments.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="outputPath">The output path.</param>
|
|||
|
|
/// <param name="isoMount">The iso mount.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected abstract string GetCommandLineArguments(string outputPath, IIsoMount isoMount);
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets or sets the log file stream.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The log file stream.</value>
|
|||
|
|
protected Stream LogFileStream { get; set; }
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the type of the transcoding job.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The type of the transcoding job.</value>
|
|||
|
|
protected abstract TranscodingJobType TranscodingJobType { get; }
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the output file extension.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The output file extension.</value>
|
|||
|
|
protected string OutputFileExtension
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return Path.GetExtension(HttpListenerContext.Request.Url.LocalPath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the output file path.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The output file path.</value>
|
|||
|
|
protected string OutputFilePath
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return Path.Combine(Kernel.ApplicationPaths.FFMpegStreamCachePath, GetCommandLineArguments("dummy\\dummy", null).GetMD5() + OutputFileExtension.ToLower());
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the audio codec to endoce to.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The audio encoding format.</value>
|
|||
|
|
protected virtual AudioCodecs? AudioCodec
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(QueryString["audioCodec"]))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return (AudioCodecs)Enum.Parse(typeof(AudioCodecs), QueryString["audioCodec"], true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the video encoding codec.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The video codec.</value>
|
|||
|
|
protected VideoCodecs? VideoCodec
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(QueryString["videoCodec"]))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return (VideoCodecs)Enum.Parse(typeof(VideoCodecs), QueryString["videoCodec"], true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the time, in ticks, in which playback should start
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The start time ticks.</value>
|
|||
|
|
protected long? StartTimeTicks
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["StartTimeTicks"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return long.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The fast seek offset seconds
|
|||
|
|
/// </summary>
|
|||
|
|
private const int FastSeekOffsetSeconds = 1;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the fast seek command line parameter.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The fast seek command line parameter.</value>
|
|||
|
|
protected string FastSeekCommandLineParameter
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var time = StartTimeTicks;
|
|||
|
|
|
|||
|
|
if (time.HasValue)
|
|||
|
|
{
|
|||
|
|
var seconds = TimeSpan.FromTicks(time.Value).TotalSeconds - FastSeekOffsetSeconds;
|
|||
|
|
|
|||
|
|
if (seconds > 0)
|
|||
|
|
{
|
|||
|
|
return string.Format("-ss {0}", seconds);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return string.Empty;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the slow seek command line parameter.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The slow seek command line parameter.</value>
|
|||
|
|
protected string SlowSeekCommandLineParameter
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var time = StartTimeTicks;
|
|||
|
|
|
|||
|
|
if (time.HasValue)
|
|||
|
|
{
|
|||
|
|
if (TimeSpan.FromTicks(time.Value).TotalSeconds - FastSeekOffsetSeconds > 0)
|
|||
|
|
{
|
|||
|
|
return string.Format(" -ss {0}", FastSeekOffsetSeconds);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return string.Empty;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the map args.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The map args.</value>
|
|||
|
|
protected virtual string MapArgs
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var args = string.Empty;
|
|||
|
|
|
|||
|
|
if (VideoStream != null)
|
|||
|
|
{
|
|||
|
|
args += string.Format("-map 0:{0}", VideoStream.Index);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
args += "-map -0:v";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (AudioStream != null)
|
|||
|
|
{
|
|||
|
|
args += string.Format(" -map 0:{0}", AudioStream.Index);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
args += " -map -0:a";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (SubtitleStream == null)
|
|||
|
|
{
|
|||
|
|
args += " -map -0:s";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return args;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The _library item
|
|||
|
|
/// </summary>
|
|||
|
|
private TBaseItemType _libraryItem;
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the library item that will be played, if any
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The library item.</value>
|
|||
|
|
protected TBaseItemType LibraryItem
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return _libraryItem ?? (_libraryItem = (TBaseItemType)DtoBuilder.GetItemByClientId(QueryString["id"]));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets or sets the iso mount.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The iso mount.</value>
|
|||
|
|
private IIsoMount IsoMount { get; set; }
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The _audio stream
|
|||
|
|
/// </summary>
|
|||
|
|
private MediaStream _audioStream;
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the audio stream.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The audio stream.</value>
|
|||
|
|
protected MediaStream AudioStream
|
|||
|
|
{
|
|||
|
|
get { return _audioStream ?? (_audioStream = GetMediaStream(AudioStreamIndex, MediaStreamType.Audio)); }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The _video stream
|
|||
|
|
/// </summary>
|
|||
|
|
private MediaStream _videoStream;
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the video stream.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The video stream.</value>
|
|||
|
|
protected MediaStream VideoStream
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
// No video streams here
|
|||
|
|
// Need to make this check to make sure we don't pickup embedded image streams (which are listed in the file as type video)
|
|||
|
|
if (LibraryItem is Audio)
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return _videoStream ?? (_videoStream = GetMediaStream(VideoStreamIndex, MediaStreamType.Video));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The subtitle stream
|
|||
|
|
/// </summary>
|
|||
|
|
private MediaStream _subtitleStream;
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the subtitle stream.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The subtitle stream.</value>
|
|||
|
|
protected MediaStream SubtitleStream
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
// No subtitle streams here
|
|||
|
|
if (LibraryItem is Audio)
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return _subtitleStream ?? (_subtitleStream = GetMediaStream(SubtitleStreamIndex, MediaStreamType.Subtitle, false));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Determines which stream will be used for playback
|
|||
|
|
/// </summary>
|
|||
|
|
/// <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 MediaStream GetMediaStream(int? desiredIndex, MediaStreamType type, bool returnFirstIfNoIndex = true)
|
|||
|
|
{
|
|||
|
|
var streams = LibraryItem.MediaStreams.Where(s => s.Type == type).ToList();
|
|||
|
|
|
|||
|
|
if (desiredIndex.HasValue)
|
|||
|
|
{
|
|||
|
|
var stream = streams.FirstOrDefault(s => s.Index == desiredIndex.Value);
|
|||
|
|
|
|||
|
|
if (stream != null)
|
|||
|
|
{
|
|||
|
|
return stream;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Just return the first one
|
|||
|
|
return returnFirstIfNoIndex ? streams.FirstOrDefault() : null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the response info.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns>Task{ResponseInfo}.</returns>
|
|||
|
|
protected override Task<ResponseInfo> GetResponseInfo()
|
|||
|
|
{
|
|||
|
|
var info = new ResponseInfo
|
|||
|
|
{
|
|||
|
|
ContentType = MimeTypes.GetMimeType(OutputFilePath),
|
|||
|
|
CompressResponse = false
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return Task.FromResult(info);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the client's desired audio bitrate
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The audio bit rate.</value>
|
|||
|
|
protected int? AudioBitRate
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["AudioBitRate"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the client's desired video bitrate
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The video bit rate.</value>
|
|||
|
|
protected int? VideoBitRate
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["VideoBitRate"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the desired audio stream index
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The index of the audio stream.</value>
|
|||
|
|
private int? AudioStreamIndex
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["AudioStreamIndex"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the desired video stream index
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The index of the video stream.</value>
|
|||
|
|
private int? VideoStreamIndex
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["VideoStreamIndex"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the desired subtitle stream index
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The index of the subtitle stream.</value>
|
|||
|
|
private int? SubtitleStreamIndex
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["SubtitleStreamIndex"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the audio channels.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The audio channels.</value>
|
|||
|
|
public int? AudioChannels
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["audiochannels"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the audio sample rate.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The audio sample rate.</value>
|
|||
|
|
public int? AudioSampleRate
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
var val = QueryString["audiosamplerate"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return 44100;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// If we're going to put a fixed size on the command line, this will calculate it
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="outputVideoCodec">The output video codec.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetOutputSizeParam(string outputVideoCodec)
|
|||
|
|
{
|
|||
|
|
// http://sonnati.wordpress.com/2012/10/19/ffmpeg-the-swiss-army-knife-of-internet-streaming-part-vi/
|
|||
|
|
|
|||
|
|
var assSubtitleParam = string.Empty;
|
|||
|
|
|
|||
|
|
if (SubtitleStream != null)
|
|||
|
|
{
|
|||
|
|
if (SubtitleStream.Codec.IndexOf("srt", StringComparison.OrdinalIgnoreCase) != -1 || SubtitleStream.Codec.IndexOf("subrip", StringComparison.OrdinalIgnoreCase) != -1)
|
|||
|
|
{
|
|||
|
|
assSubtitleParam = GetTextSubtitleParam(SubtitleStream);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// If fixed dimensions were supplied
|
|||
|
|
if (Width.HasValue && Height.HasValue)
|
|||
|
|
{
|
|||
|
|
return string.Format(" -vf \"scale={0}:{1}{2}\"", Width.Value, Height.Value, assSubtitleParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var isH264Output = outputVideoCodec.Equals("libx264", StringComparison.OrdinalIgnoreCase);
|
|||
|
|
|
|||
|
|
// If a fixed width was requested
|
|||
|
|
if (Width.HasValue)
|
|||
|
|
{
|
|||
|
|
return isH264Output ?
|
|||
|
|
string.Format(" -vf \"scale={0}:trunc(ow/a/2)*2{1}\"", Width.Value, assSubtitleParam) :
|
|||
|
|
string.Format(" -vf \"scale={0}:-1{1}\"", Width.Value, assSubtitleParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// If a max width was requested
|
|||
|
|
if (MaxWidth.HasValue && !MaxHeight.HasValue)
|
|||
|
|
{
|
|||
|
|
return isH264Output ?
|
|||
|
|
string.Format(" -vf \"scale=min(iw\\,{0}):trunc(ow/a/2)*2{1}\"", MaxWidth.Value, assSubtitleParam) :
|
|||
|
|
string.Format(" -vf \"scale=min(iw\\,{0}):-1{1}\"", MaxWidth.Value, assSubtitleParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Need to perform calculations manually
|
|||
|
|
|
|||
|
|
// Try to account for bad media info
|
|||
|
|
var currentHeight = VideoStream.Height ?? MaxHeight ?? Height ?? 0;
|
|||
|
|
var currentWidth = VideoStream.Width ?? MaxWidth ?? Width ?? 0;
|
|||
|
|
|
|||
|
|
var outputSize = DrawingUtils.Resize(currentWidth, currentHeight, Width, Height, MaxWidth, MaxHeight);
|
|||
|
|
|
|||
|
|
// If we're encoding with libx264, it can't handle odd numbered widths or heights, so we'll have to fix that
|
|||
|
|
if (isH264Output)
|
|||
|
|
{
|
|||
|
|
return string.Format(" -vf \"scale=trunc({0}/2)*2:trunc({1}/2)*2{2}\"", outputSize.Width, outputSize.Height, assSubtitleParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Otherwise use -vf scale since ffmpeg will ensure internally that the aspect ratio is preserved
|
|||
|
|
return string.Format(" -vf \"scale={0}:-1{1}\"", Convert.ToInt32(outputSize.Width), assSubtitleParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the text subtitle param.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="subtitleStream">The subtitle stream.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetTextSubtitleParam(MediaStream subtitleStream)
|
|||
|
|
{
|
|||
|
|
var path = subtitleStream.IsExternal ? GetConvertedAssPath(subtitleStream) : GetExtractedAssPath(subtitleStream);
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(path))
|
|||
|
|
{
|
|||
|
|
return string.Empty;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var param = string.Format(",ass={0}", path);
|
|||
|
|
|
|||
|
|
var time = StartTimeTicks;
|
|||
|
|
|
|||
|
|
if (time.HasValue)
|
|||
|
|
{
|
|||
|
|
var seconds = Convert.ToInt32(TimeSpan.FromTicks(time.Value).TotalSeconds);
|
|||
|
|
param += string.Format(",setpts=PTS-{0}/TB", seconds);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return param;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the extracted ass path.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="subtitleStream">The subtitle stream.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
private string GetExtractedAssPath(MediaStream subtitleStream)
|
|||
|
|
{
|
|||
|
|
var video = LibraryItem as Video;
|
|||
|
|
|
|||
|
|
var path = Kernel.FFMpegManager.GetSubtitleCachePath(video, subtitleStream.Index, ".ass");
|
|||
|
|
|
|||
|
|
if (!File.Exists(path))
|
|||
|
|
{
|
|||
|
|
var success = Kernel.FFMpegManager.ExtractTextSubtitle(video, subtitleStream.Index, path, CancellationToken.None).Result;
|
|||
|
|
|
|||
|
|
if (!success)
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return path;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the converted ass path.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="subtitleStream">The subtitle stream.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
private string GetConvertedAssPath(MediaStream subtitleStream)
|
|||
|
|
{
|
|||
|
|
var video = LibraryItem as Video;
|
|||
|
|
|
|||
|
|
var path = Kernel.FFMpegManager.GetSubtitleCachePath(video, subtitleStream.Index, ".ass");
|
|||
|
|
|
|||
|
|
if (!File.Exists(path))
|
|||
|
|
{
|
|||
|
|
var success = Kernel.FFMpegManager.ConvertTextSubtitle(subtitleStream, path, CancellationToken.None).Result;
|
|||
|
|
|
|||
|
|
if (!success)
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return path;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the internal graphical subtitle param.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="subtitleStream">The subtitle stream.</param>
|
|||
|
|
/// <param name="videoCodec">The video codec.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetInternalGraphicalSubtitleParam(MediaStream subtitleStream, string videoCodec)
|
|||
|
|
{
|
|||
|
|
var outputSizeParam = string.Empty;
|
|||
|
|
|
|||
|
|
// Add resolution params, if specified
|
|||
|
|
if (Width.HasValue || Height.HasValue || MaxHeight.HasValue || MaxWidth.HasValue)
|
|||
|
|
{
|
|||
|
|
outputSizeParam = GetOutputSizeParam(videoCodec).TrimEnd('"');
|
|||
|
|
outputSizeParam = "," + outputSizeParam.Substring(outputSizeParam.IndexOf("scale", StringComparison.OrdinalIgnoreCase));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return string.Format(" -filter_complex \"[0:{0}]format=yuva444p,lut=u=128:v=128:y=gammaval(.3)[sub] ; [0:0] [sub] overlay{1}\"", subtitleStream.Index, outputSizeParam);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the fixed output video height, in pixels
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The height.</value>
|
|||
|
|
protected int? Height
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["height"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the fixed output video width, in pixels
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The width.</value>
|
|||
|
|
protected int? Width
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["width"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the maximum output video height, in pixels
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The height of the max.</value>
|
|||
|
|
protected int? MaxHeight
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["maxheight"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the maximum output video width, in pixels
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The width of the max.</value>
|
|||
|
|
protected int? MaxWidth
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["maxwidth"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return int.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the output video framerate
|
|||
|
|
/// </summary>
|
|||
|
|
/// <value>The max frame rate.</value>
|
|||
|
|
protected float? FrameRate
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string val = QueryString["framerate"];
|
|||
|
|
|
|||
|
|
if (string.IsNullOrEmpty(val))
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return float.Parse(val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the number of audio channels to specify on the command line
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|||
|
|
protected int? GetSampleRateParam()
|
|||
|
|
{
|
|||
|
|
// If the user requested a max value
|
|||
|
|
if (AudioSampleRate.HasValue)
|
|||
|
|
{
|
|||
|
|
return AudioSampleRate.Value;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the number of audio channels to specify on the command line
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="audioCodec">The audio codec.</param>
|
|||
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|||
|
|
protected int? GetNumAudioChannelsParam(string audioCodec)
|
|||
|
|
{
|
|||
|
|
if (AudioStream.Channels > 2)
|
|||
|
|
{
|
|||
|
|
if (audioCodec.Equals("libvo_aacenc"))
|
|||
|
|
{
|
|||
|
|
// libvo_aacenc currently only supports two channel output
|
|||
|
|
return 2;
|
|||
|
|
}
|
|||
|
|
if (audioCodec.Equals("wmav2"))
|
|||
|
|
{
|
|||
|
|
// wmav2 currently only supports two channel output
|
|||
|
|
return 2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return GetNumAudioChannelsParam();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the number of audio channels to specify on the command line
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|||
|
|
protected int? GetNumAudioChannelsParam()
|
|||
|
|
{
|
|||
|
|
// If the user requested a max number of channels
|
|||
|
|
if (AudioChannels.HasValue)
|
|||
|
|
{
|
|||
|
|
return AudioChannels.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)
|
|||
|
|
{
|
|||
|
|
return stream.Codec.IndexOf("264", StringComparison.OrdinalIgnoreCase) != -1 ||
|
|||
|
|
stream.Codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the name of the output audio codec
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetAudioCodec()
|
|||
|
|
{
|
|||
|
|
if (AudioCodec.HasValue)
|
|||
|
|
{
|
|||
|
|
if (AudioCodec == AudioCodecs.Aac)
|
|||
|
|
{
|
|||
|
|
return "libvo_aacenc";
|
|||
|
|
}
|
|||
|
|
if (AudioCodec == AudioCodecs.Mp3)
|
|||
|
|
{
|
|||
|
|
return "libmp3lame";
|
|||
|
|
}
|
|||
|
|
if (AudioCodec == AudioCodecs.Vorbis)
|
|||
|
|
{
|
|||
|
|
return "libvorbis";
|
|||
|
|
}
|
|||
|
|
if (AudioCodec == AudioCodecs.Wma)
|
|||
|
|
{
|
|||
|
|
return "wmav2";
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return "copy";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the name of the output video codec
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetVideoCodec()
|
|||
|
|
{
|
|||
|
|
if (VideoCodec.HasValue)
|
|||
|
|
{
|
|||
|
|
if (VideoCodec == VideoCodecs.H264)
|
|||
|
|
{
|
|||
|
|
return "libx264";
|
|||
|
|
}
|
|||
|
|
if (VideoCodec == VideoCodecs.Vpx)
|
|||
|
|
{
|
|||
|
|
return "libvpx";
|
|||
|
|
}
|
|||
|
|
if (VideoCodec == VideoCodecs.Wmv)
|
|||
|
|
{
|
|||
|
|
return "wmv2";
|
|||
|
|
}
|
|||
|
|
if (VideoCodec == VideoCodecs.Theora)
|
|||
|
|
{
|
|||
|
|
return "libtheora";
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return "copy";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the input argument.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="isoMount">The iso mount.</param>
|
|||
|
|
/// <returns>System.String.</returns>
|
|||
|
|
protected string GetInputArgument(IIsoMount isoMount)
|
|||
|
|
{
|
|||
|
|
return isoMount == null ?
|
|||
|
|
Kernel.FFMpegManager.GetInputArgument(LibraryItem) :
|
|||
|
|
Kernel.FFMpegManager.GetInputArgument(LibraryItem as Video, IsoMount);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Starts the FFMPEG.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="outputPath">The output path.</param>
|
|||
|
|
/// <returns>Task.</returns>
|
|||
|
|
protected async Task StartFFMpeg(string outputPath)
|
|||
|
|
{
|
|||
|
|
var video = LibraryItem as Video;
|
|||
|
|
|
|||
|
|
if (video != null && video.VideoType == VideoType.Iso &&
|
|||
|
|
video.IsoType.HasValue && Kernel.IsoManager.CanMount(video.Path))
|
|||
|
|
{
|
|||
|
|
IsoMount = await Kernel.IsoManager.Mount(video.Path, CancellationToken.None).ConfigureAwait(false);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var process = new Process
|
|||
|
|
{
|
|||
|
|
StartInfo = new ProcessStartInfo
|
|||
|
|
{
|
|||
|
|
CreateNoWindow = true,
|
|||
|
|
UseShellExecute = false,
|
|||
|
|
|
|||
|
|
// Must consume both stdout and stderr or deadlocks may occur
|
|||
|
|
RedirectStandardOutput = true,
|
|||
|
|
RedirectStandardError = true,
|
|||
|
|
|
|||
|
|
FileName = Kernel.FFMpegManager.FFMpegPath,
|
|||
|
|
WorkingDirectory = Path.GetDirectoryName(Kernel.FFMpegManager.FFMpegPath),
|
|||
|
|
Arguments = GetCommandLineArguments(outputPath, IsoMount),
|
|||
|
|
|
|||
|
|
WindowStyle = ProcessWindowStyle.Hidden,
|
|||
|
|
ErrorDialog = false
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
EnableRaisingEvents = true
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
Plugin.Instance.OnTranscodeBeginning(outputPath, TranscodingJobType, process);
|
|||
|
|
|
|||
|
|
Logger.Info(process.StartInfo.FileName + " " + process.StartInfo.Arguments);
|
|||
|
|
|
|||
|
|
var logFilePath = Path.Combine(Kernel.ApplicationPaths.LogDirectoryPath, "ffmpeg-" + Guid.NewGuid() + ".txt");
|
|||
|
|
|
|||
|
|
// FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
|
|||
|
|
LogFileStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous);
|
|||
|
|
|
|||
|
|
process.Exited += OnFFMpegProcessExited;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
process.Start();
|
|||
|
|
}
|
|||
|
|
catch (Win32Exception ex)
|
|||
|
|
{
|
|||
|
|
Logger.ErrorException("Error starting ffmpeg", ex);
|
|||
|
|
|
|||
|
|
Plugin.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType);
|
|||
|
|
|
|||
|
|
process.Exited -= OnFFMpegProcessExited;
|
|||
|
|
LogFileStream.Dispose();
|
|||
|
|
|
|||
|
|
throw;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// MUST read both stdout and stderr asynchronously or a deadlock may occurr
|
|||
|
|
process.BeginOutputReadLine();
|
|||
|
|
|
|||
|
|
// Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
|
|||
|
|
process.StandardError.BaseStream.CopyToAsync(LogFileStream);
|
|||
|
|
|
|||
|
|
// Wait for the file to exist before proceeeding
|
|||
|
|
while (!File.Exists(outputPath))
|
|||
|
|
{
|
|||
|
|
await Task.Delay(100).ConfigureAwait(false);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Processes the exited.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="sender">The sender.</param>
|
|||
|
|
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
|
|||
|
|
protected void OnFFMpegProcessExited(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
if (IsoMount != null)
|
|||
|
|
{
|
|||
|
|
IsoMount.Dispose();
|
|||
|
|
IsoMount = null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
var outputFilePath = OutputFilePath;
|
|||
|
|
|
|||
|
|
LogFileStream.Dispose();
|
|||
|
|
|
|||
|
|
var process = (Process)sender;
|
|||
|
|
|
|||
|
|
process.Exited -= OnFFMpegProcessExited;
|
|||
|
|
|
|||
|
|
int? exitCode = null;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
exitCode = process.ExitCode;
|
|||
|
|
Logger.Info("FFMpeg exited with code {0} for {1}", exitCode.Value, outputFilePath);
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
Logger.Info("FFMpeg exited with an error for {0}", outputFilePath);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
process.Dispose();
|
|||
|
|
|
|||
|
|
Plugin.Instance.OnTranscodingFinished(outputFilePath, TranscodingJobType);
|
|||
|
|
|
|||
|
|
if (!exitCode.HasValue || exitCode.Value != 0)
|
|||
|
|
{
|
|||
|
|
Logger.Info("Deleting partial stream file(s) {0}", outputFilePath);
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
DeletePartialStreamFiles(outputFilePath);
|
|||
|
|
}
|
|||
|
|
catch (IOException ex)
|
|||
|
|
{
|
|||
|
|
Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, outputFilePath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Logger.Info("FFMpeg completed and exited normally for {0}", outputFilePath);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Deletes the partial stream files.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="outputFilePath">The output file path.</param>
|
|||
|
|
protected abstract void DeletePartialStreamFiles(string outputFilePath);
|
|||
|
|
}
|
|||
|
|
}
|