@ -1438,6 +1438,11 @@ namespace MediaBrowser.Controller.MediaEncoding
if ( string . Equals ( outputVideoCodec , "h264_vaapi" , StringComparison . OrdinalIgnoreCase ) & & outputSizeParam . Length = = 0 )
{
outputSizeParam = ",format=nv12|vaapi,hwupload" ;
// Add parameters to use VAAPI with burn-in subttiles (GH issue #642)
if ( state . SubtitleStream ! = null & & state . SubtitleStream . IsTextSubtitleStream & & state . SubtitleDeliveryMethod = = SubtitleDeliveryMethod . Encode ) {
outputSizeParam + = ",hwmap=mode=read+write+direct" ;
}
}
var videoSizeParam = string . Empty ;
@ -1741,6 +1746,12 @@ namespace MediaBrowser.Controller.MediaEncoding
filters . Add ( subParam ) ;
// Ensure proper filters are passed to ffmpeg in case of hardware acceleration via VA-API
// Reference: https://trac.ffmpeg.org/wiki/Hardware/VAAPI
if ( string . Equals ( outputVideoCodec , "h264_vaapi" , StringComparison . OrdinalIgnoreCase ) )
{
filters . Add ( "hwmap" ) ;
}
if ( allowTimeStampCopy )
{
output + = " -copyts" ;