starred/jellyfin-jellyfin-1
1
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin.git synced 2025-12-17 14:33:06 +03:00
Code Issues Packages Projects Releases Wiki Activity

update sync encoding to match streaming

Browse Source
This commit is contained in:
Luke Pulverenti
2016-02-04 14:31:04 -05:00
parent d28ef71d93
commit d1de9e0179
4 changed files with 287 additions and 182 deletions
Download Patch File Download Diff File Expand all files Collapse all files

183
MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs
View File

@@ -10,6 +10,7 @@ using MediaBrowser.Model.MediaInfo;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@@ -66,38 +67,56 @@ namespace MediaBrowser.MediaEncoding.Encoder
? mediaSources.First()
: mediaSources.First(i => string.Equals(i.Id, request.MediaSourceId));
AttachMediaStreamInfo(state, mediaSource, options);
var videoRequest = state.Options;
state.OutputAudioBitrate = GetAudioBitrateParam(request, state.AudioStream);
AttachMediaSourceInfo(state, mediaSource, videoRequest);
//var container = Path.GetExtension(state.RequestedUrl);
//if (string.IsNullOrEmpty(container))
//{
// container = request.Static ?
// state.InputContainer :
// (Path.GetExtension(GetOutputFilePath(state)) ?? string.Empty).TrimStart('.');
//}
//state.OutputContainer = (container ?? string.Empty).TrimStart('.');
state.OutputAudioBitrate = GetAudioBitrateParam(state.Options, state.AudioStream);
state.OutputAudioSampleRate = request.AudioSampleRate;
state.OutputAudioCodec = GetAudioCodec(request);
state.OutputAudioCodec = state.Options.AudioCodec;
state.OutputAudioChannels = GetNumAudioChannelsParam(request, state.AudioStream, state.OutputAudioCodec);
state.OutputAudioChannels = GetNumAudioChannelsParam(state.Options, state.AudioStream, state.OutputAudioCodec);
if (isVideoRequest)
if (videoRequest != null)
{
state.OutputVideoCodec = GetVideoCodec(request);
state.OutputVideoBitrate = GetVideoBitrateParamValue(request, state.VideoStream);
state.OutputVideoCodec = state.Options.VideoCodec;
state.OutputVideoBitrate = GetVideoBitrateParamValue(state.Options, state.VideoStream);
if (state.OutputVideoBitrate.HasValue)
{
var resolution = ResolutionNormalizer.Normalize(
state.VideoStream == null ? (int?)null : state.VideoStream.BitRate,
state.OutputVideoBitrate.Value,
state.VideoStream == null ? null : state.VideoStream.Codec,
state.VideoStream == null ? (int?)null : state.VideoStream.BitRate,
state.OutputVideoBitrate.Value,
state.VideoStream == null ? null : state.VideoStream.Codec,
state.OutputVideoCodec,
request.MaxWidth,
request.MaxHeight);
videoRequest.MaxWidth,
videoRequest.MaxHeight);
request.MaxWidth = resolution.MaxWidth;
request.MaxHeight = resolution.MaxHeight;
videoRequest.MaxWidth = resolution.MaxWidth;
videoRequest.MaxHeight = resolution.MaxHeight;
}
}
ApplyDeviceProfileSettings(state);
TryStreamCopy(state, request);
if (videoRequest != null)
{
TryStreamCopy(state, videoRequest);
}
//state.OutputFilePath = GetOutputFilePath(state);
return state;
}
@@ -119,7 +138,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
}
}
internal static void AttachMediaStreamInfo(EncodingJob state,
internal static void AttachMediaSourceInfo(EncodingJob state,
MediaSourceInfo mediaSource,
EncodingJobOptions videoRequest)
{
@@ -131,11 +150,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
state.RunTimeTicks = mediaSource.RunTimeTicks;
state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders;
if (mediaSource.ReadAtNativeFramerate)
{
state.ReadInputAtNativeFramerate = true;
}
if (mediaSource.VideoType.HasValue)
{
state.VideoType = mediaSource.VideoType.Value;
@@ -156,6 +170,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
state.RemoteHttpHeaders = mediaSource.RequiredHttpHeaders;
state.InputBitrate = mediaSource.Bitrate;
state.InputFileSize = mediaSource.Size;
state.ReadInputAtNativeFramerate = mediaSource.ReadAtNativeFramerate;
if (state.ReadInputAtNativeFramerate ||
mediaSource.Protocol == MediaProtocol.File && string.Equals(mediaSource.Container, "wtv", StringComparison.OrdinalIgnoreCase))
@@ -165,6 +180,12 @@ namespace MediaBrowser.MediaEncoding.Encoder
state.InputAudioSync = "1";
}
if (string.Equals(mediaSource.Container, "wma", StringComparison.OrdinalIgnoreCase))
{
// Seeing some stuttering when transcoding wma to audio-only HLS
state.InputAudioSync = "1";
}
var mediaStreams = mediaSource.MediaStreams;
if (videoRequest != null)
@@ -210,19 +231,21 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// <returns>System.Nullable{VideoCodecs}.</returns>
private static string InferVideoCodec(string container)
{
if (string.Equals(container, "asf", StringComparison.OrdinalIgnoreCase))
var ext = "." + (container ?? string.Empty);
if (string.Equals(ext, ".asf", StringComparison.OrdinalIgnoreCase))
{
return "wmv";
}
if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
{
return "vpx";
}
if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
{
return "theora";
}
if (string.Equals(container, "m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(container, "ts", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ts", StringComparison.OrdinalIgnoreCase))
{
return "h264";
}
@@ -232,35 +255,37 @@ namespace MediaBrowser.MediaEncoding.Encoder
private string InferAudioCodec(string container)
{
if (string.Equals(container, "mp3", StringComparison.OrdinalIgnoreCase))
var ext = "." + (container ?? string.Empty);
if (string.Equals(ext, ".mp3", StringComparison.OrdinalIgnoreCase))
{
return "mp3";
}
if (string.Equals(container, "aac", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".aac", StringComparison.OrdinalIgnoreCase))
{
return "aac";
}
if (string.Equals(container, "wma", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".wma", StringComparison.OrdinalIgnoreCase))
{
return "wma";
}
if (string.Equals(container, "ogg", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "oga", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".oga", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "ogv", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "webm", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
if (string.Equals(container, "webma", StringComparison.OrdinalIgnoreCase))
if (string.Equals(ext, ".webma", StringComparison.OrdinalIgnoreCase))
{
return "vorbis";
}
@@ -398,15 +423,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
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));
@@ -417,20 +435,15 @@ namespace MediaBrowser.MediaEncoding.Encoder
return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
// H264
if (hasFixedResolution)
// h264
if (isHls)
{
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(" -b:v {0} -maxrate {0} -bufsize {1}",
bitrate.Value.ToString(UsCulture),
(bitrate.Value * 2).ToString(UsCulture));
}
return string.Format(" -maxrate {0} -bufsize {1}",
bitrate.Value.ToString(UsCulture),
(bitrate.Value * 2).ToString(UsCulture));
return string.Format(" -b:v {0}", bitrate.Value.ToString(UsCulture));
}
return string.Empty;
@@ -466,11 +479,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// <summary>
/// Gets the name of the output audio codec
/// </summary>
/// <param name="request">The request.</param>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
private string GetAudioCodec(EncodingJobOptions request)
internal static string GetAudioEncoder(EncodingJob state)
{
var codec = request.AudioCodec;
var codec = state.OutputAudioCodec;
if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase))
{
@@ -489,40 +502,56 @@ namespace MediaBrowser.MediaEncoding.Encoder
return "wmav2";
}
return (codec ?? string.Empty).ToLower();
return codec.ToLower();
}
/// <summary>
/// Gets the name of the output video codec
/// </summary>
/// <param name="request">The request.</param>
/// <param name="state">The state.</param>
/// <param name="options">The options.</param>
/// <returns>System.String.</returns>
private string GetVideoCodec(EncodingJobOptions request)
internal static string GetVideoEncoder(EncodingJob state, EncodingOptions options)
{
var codec = request.VideoCodec;
var codec = state.OutputVideoCodec;
if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
if (!string.IsNullOrEmpty(codec))
{
return "libx264";
}
if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) || string.Equals(codec, "hevc", 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";
if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase))
{
return GetH264Encoder(state, options);
}
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 (codec ?? string.Empty).ToLower();
return "copy";
}
internal static string GetH264Encoder(EncodingJob state, EncodingOptions options)
{
if (string.Equals(options.HardwareAccelerationType, "qsv", StringComparison.OrdinalIgnoreCase))
{
// It's currently failing on live tv
if (state.RunTimeTicks.HasValue)
{
return "h264_qsv";
}
}
return "libx264";
}
internal static bool CanStreamCopyVideo(EncodingJobOptions request, MediaStream videoStream)