@ -4,7 +4,6 @@ using System;
using System.Collections.Generic ;
using System.Diagnostics ;
using System.Linq ;
using System.Text ;
using System.Text.RegularExpressions ;
using Microsoft.Extensions.Logging ;
@ -100,20 +99,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
{ "libpostproc" , new Version ( 55 , 1 ) }
} ;
// This lookup table is to be maintained with the following command line:
// $ ffmpeg -version | perl -ne ' print "$1=$2.$3," if /^(lib\w+)\s+(\d+)\.\s*(\d+)/'
private static readonly IReadOnlyDictionary < string , Version > _ffmpegVersionMap = new Dictionary < string , Version >
{
{ "libavutil=56.51,libavcodec=58.91,libavformat=58.45,libavdevice=58.10,libavfilter=7.85,libswscale=5.7,libswresample=3.7,libpostproc=55.7," , new Version ( 4 , 3 ) } ,
{ "libavutil=56.31,libavcodec=58.54,libavformat=58.29,libavdevice=58.8,libavfilter=7.57,libswscale=5.5,libswresample=3.5,libpostproc=55.5," , new Version ( 4 , 2 ) } ,
{ "libavutil=56.22,libavcodec=58.35,libavformat=58.20,libavdevice=58.5,libavfilter=7.40,libswscale=5.3,libswresample=3.3,libpostproc=55.3," , new Version ( 4 , 1 ) } ,
{ "libavutil=56.14,libavcodec=58.18,libavformat=58.12,libavdevice=58.3,libavfilter=7.16,libswscale=5.1,libswresample=3.1,libpostproc=55.1," , new Version ( 4 , 0 ) } ,
{ "libavutil=55.78,libavcodec=57.107,libavformat=57.83,libavdevice=57.10,libavfilter=6.107,libswscale=4.8,libswresample=2.9,libpostproc=54.7," , new Version ( 3 , 4 ) } ,
{ "libavutil=55.58,libavcodec=57.89,libavformat=57.71,libavdevice=57.6,libavfilter=6.82,libswscale=4.6,libswresample=2.7,libpostproc=54.5," , new Version ( 3 , 3 ) } ,
{ "libavutil=55.34,libavcodec=57.64,libavformat=57.56,libavdevice=57.1,libavfilter=6.65,libswscale=4.2,libswresample=2.3,libpostproc=54.1," , new Version ( 3 , 2 ) } ,
{ "libavutil=54.31,libavcodec=56.60,libavformat=56.40,libavdevice=56.4,libavfilter=5.40,libswscale=3.1,libswresample=1.2,libpostproc=53.3," , new Version ( 2 , 8 ) }
} ;
private readonly ILogger _logger ;
private readonly string _encoderPath ;
@ -130,6 +115,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
Decoder
}
// When changing this, also change the minimum library versions in _ffmpegMinimumLibraryVersions
public static Version MinVersion { get ; } = new Version ( 4 , 0 ) ;
public static Version MaxVersion { get ; } = null ;
@ -227,28 +213,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
{
return new Version ( match . Groups [ 1 ] . Value ) ;
}
else
{
if ( ! TryGetFFmpegLibraryVersions ( output , out string versionString , out IReadOnlyDictionary < string , Version > versionMap ) )
{
_logger . LogError ( "No ffmpeg library versions found" ) ;
return null ;
}
// First try to lookup the full version string
if ( _ffmpegVersionMap . TryGetValue ( versionString , out Version version ) )
{
return version ;
}
var versionMap = GetFFmpegLibraryVersions ( output ) ;
// Then try to test for minimum library versions
return TestMinimumFFmpegLibraryVersions ( versionMap ) ;
}
}
private Version TestMinimumFFmpegLibraryVersions ( IReadOnlyDictionary < string , Version > versionMap )
{
var allVersionsValidated = true ;
foreach ( var minimumVersion in _ffmpegMinimumLibraryVersions )
@ -281,10 +248,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// </summary>
/// <param name="output">The 'ffmpeg -version' output.</param>
/// <returns>The library names and major.minor version numbers.</returns>
private static bool TryGetFFmpegLibraryVersions ( string output , out string versionString , out IReadOnlyDictionary < string , Version > versionMap )
private static IReadOnlyDictionary < string , Version > GetFFmpegLibraryVersions( string output )
{
var sb = new StringBuilder ( 144 ) ;
var map = new Dictionary < string , Version > ( ) ;
foreach ( Match match in Regex . Matches (
@ -292,24 +257,14 @@ namespace MediaBrowser.MediaEncoding.Encoder
@"((?<name>lib\w+)\s+(?<major>[0-9]+)\.\s*(?<minor>[0-9]+))" ,
RegexOptions . Multiline ) )
{
sb . Append ( match . Groups [ "name" ] )
. Append ( '=' )
. Append ( match . Groups [ "major" ] )
. Append ( '.' )
. Append ( match . Groups [ "minor" ] )
. Append ( ',' ) ;
var str = $"{match.Groups[" major "]}.{match.Groups[" minor "]}" ;
var version = Version . Parse ( str ) ;
var version = new Version (
int . Parse ( match . Groups [ "major" ] . Value ) ,
int . Parse ( match . Groups [ "minor" ] . Value ) ) ;
map . Add ( match . Groups [ "name" ] . Value , version ) ;
}
versionString = sb . ToString ( ) ;
versionMap = map ;
return sb . Length > 0 ;
return map ;
}
private IEnumerable < string > GetHwaccelTypes ( )
Anthony Lavado
5 years ago
committed by
GitHub