@ -1,4 +1,3 @@
using MediaBrowser.Common.Net ;
using MediaBrowser.Controller.Configuration ;
using MediaBrowser.Controller.Devices ;
using MediaBrowser.Controller.Dlna ;
@ -7,15 +6,8 @@ using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding ;
using MediaBrowser.Model.IO ;
using MediaBrowser.Model.Serialization ;
using System ;
using System.IO ;
using System.Linq ;
using System.Threading.Tasks ;
using MediaBrowser.Common.IO ;
using MediaBrowser.Controller.IO ;
using MediaBrowser.Controller.Net ;
using MediaBrowser.Model.IO ;
using MediaBrowser.Model.Dlna ;
using MediaBrowser.Model.Services ;
namespace MediaBrowser.Api.Playback.Progressive
@ -100,181 +92,7 @@ namespace MediaBrowser.Api.Playback.Progressive
{
var encodingOptions = ApiEntryPoint . Instance . GetEncodingOptions ( ) ;
// Get the output codec name
var videoCodec = EncodingHelper . GetVideoEncoder ( state , encodingOptions ) ;
var format = string . Empty ;
var keyFrame = string . Empty ;
if ( string . Equals ( Path . GetExtension ( outputPath ) , ".mp4" , StringComparison . OrdinalIgnoreCase ) )
{
// Comparison: https://github.com/jansmolders86/mediacenterjs/blob/master/lib/transcoding/desktop.js
format = " -f mp4 -movflags frag_keyframe+empty_moov" ;
}
var threads = EncodingHelper . GetNumberOfThreads ( state , encodingOptions , string . Equals ( videoCodec , "libvpx" , StringComparison . OrdinalIgnoreCase ) ) ;
var inputModifier = EncodingHelper . GetInputModifier ( state , encodingOptions ) ;
var subtitleArguments = state . SubtitleStream ! = null & &
state . SubtitleDeliveryMethod = = SubtitleDeliveryMethod . Embed
? GetSubtitleArguments ( state )
: string . Empty ;
return string . Format ( "{0} {1}{2} {3} {4} -map_metadata -1 -map_chapters -1 -threads {5} {6}{7}{8} -y \"{9}\"" ,
inputModifier ,
EncodingHelper . GetInputArgument ( state , encodingOptions ) ,
keyFrame ,
EncodingHelper . GetMapArgs ( state ) ,
GetVideoArguments ( state , videoCodec ) ,
threads ,
GetAudioArguments ( state ) ,
subtitleArguments ,
format ,
outputPath
) . Trim ( ) ;
}
private string GetSubtitleArguments ( StreamState state )
{
var format = state . SupportedSubtitleCodecs . FirstOrDefault ( ) ;
string codec ;
if ( string . IsNullOrWhiteSpace ( format ) | | string . Equals ( format , state . SubtitleStream . Codec , StringComparison . OrdinalIgnoreCase ) )
{
codec = "copy" ;
}
else
{
codec = format ;
}
return " -codec:s:0 " + codec ;
}
/// <summary>
/// Gets video arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <param name="videoCodec">The video codec.</param>
/// <returns>System.String.</returns>
private string GetVideoArguments ( StreamState state , string videoCodec )
{
var args = "-codec:v:0 " + videoCodec ;
if ( state . EnableMpegtsM2TsMode )
{
args + = " -mpegts_m2ts_mode 1" ;
}
if ( string . Equals ( videoCodec , "copy" , StringComparison . OrdinalIgnoreCase ) )
{
if ( state . VideoStream ! = null & & EncodingHelper . IsH264 ( state . VideoStream ) & & string . Equals ( state . OutputContainer , "ts" , StringComparison . OrdinalIgnoreCase ) & & ! string . Equals ( state . VideoStream . NalLengthSize , "0" , StringComparison . OrdinalIgnoreCase ) )
{
args + = " -bsf:v h264_mp4toannexb" ;
}
if ( state . RunTimeTicks . HasValue & & state . VideoRequest . CopyTimestamps )
{
args + = " -copyts -avoid_negative_ts disabled -start_at_zero" ;
}
if ( ! state . RunTimeTicks . HasValue )
{
args + = " -flags -global_header -fflags +genpts" ;
}
return 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 & & state . VideoRequest . SubtitleMethod = = SubtitleDeliveryMethod . Encode ;
var hasCopyTs = false ;
// Add resolution params, if specified
if ( ! hasGraphicalSubs )
{
var outputSizeParam = EncodingHelper . GetOutputSizeParam ( state , videoCodec ) ;
args + = outputSizeParam ;
hasCopyTs = outputSizeParam . IndexOf ( "copyts" , StringComparison . OrdinalIgnoreCase ) ! = - 1 ;
}
if ( state . RunTimeTicks . HasValue & & state . VideoRequest . CopyTimestamps )
{
if ( ! hasCopyTs )
{
args + = " -copyts" ;
}
args + = " -avoid_negative_ts disabled -start_at_zero" ;
}
var encodingOptions = ApiEntryPoint . Instance . GetEncodingOptions ( ) ;
var qualityParam = EncodingHelper . GetVideoQualityParam ( state , videoCodec , encodingOptions , GetDefaultH264Preset ( ) ) ;
if ( ! string . IsNullOrEmpty ( qualityParam ) )
{
args + = " " + qualityParam . Trim ( ) ;
}
// This is for internal graphical subs
if ( hasGraphicalSubs )
{
args + = EncodingHelper . GetGraphicalSubtitleParam ( state , videoCodec ) ;
}
if ( ! state . RunTimeTicks . HasValue )
{
args + = " -flags -global_header" ;
}
return args ;
}
/// <summary>
/// Gets audio arguments to pass to ffmpeg
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
private string GetAudioArguments ( StreamState 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 = EncodingHelper . GetAudioEncoder ( state ) ;
var args = "-codec:a:0 " + codec ;
if ( string . Equals ( codec , "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 + = " " + EncodingHelper . GetAudioFilterParam ( state , ApiEntryPoint . Instance . GetEncodingOptions ( ) , false ) ;
return args ;
return EncodingHelper . GetProgressiveVideoFullCommandLine ( state , encodingOptions , outputPath , GetDefaultH264Preset ( ) ) ;
}
}
}
Luke
8 years ago
committed by
GitHub