be slightly more careful with copying the codec_tag in the streamcopy case

fixes streamcopy of Xmen-avc-500.vp6 into flv
closes issue 57

Originally committed as revision 9909 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-08-04 16:03:39 +00:00
parent 5e61de0cc1
commit 365515ac7f

View File

@ -1503,6 +1503,7 @@ static int av_encode(AVFormatContext **output_files,
/* for each output stream, we compute the right encoding parameters */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
os = output_files[ost->file_index];
ist = ist_table[ost->source_index];
codec = ost->st->codec;
@ -1516,7 +1517,14 @@ static int av_encode(AVFormatContext **output_files,
/* if stream_copy is selected, no need to decode or encode */
codec->codec_id = icodec->codec_id;
codec->codec_type = icodec->codec_type;
if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
if(!codec->codec_tag){
if( !os->oformat->codec_tag
|| av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
|| av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
codec->codec_tag = icodec->codec_tag;
}
codec->bit_rate = icodec->bit_rate;
codec->extradata= icodec->extradata;
codec->extradata_size= icodec->extradata_size;