Do not copy codec_tag in stream copy case if it is associated with a different codec_id

fixes issue1568

Originally committed as revision 20921 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-25 21:01:16 +00:00
parent a6831e885c
commit 37ce3d6ba7

View File

@ -1854,7 +1854,7 @@ static int av_encode(AVFormatContext **output_files,
if(!codec->codec_tag){
if( !os->oformat->codec_tag
|| av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
|| av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
|| av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
codec->codec_tag = icodec->codec_tag;
}