set block align in av_write_header if not set, fix issue #489

Originally committed as revision 15277 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-09-08 19:37:22 +00:00
parent bed4fc54c9
commit bf912a482b
1 changed files with 3 additions and 0 deletions

View File

@ -2444,6 +2444,9 @@ int av_write_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "sample rate not set\n");
return -1;
}
if(!st->codec->block_align)
st->codec->block_align = st->codec->channels *
av_get_bits_per_sample(st->codec->codec_id) >> 3;
break;
case CODEC_TYPE_VIDEO:
if(st->codec->time_base.num<=0 || st->codec->time_base.den<=0){ //FIXME audio too?