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
pull/126/head
Baptiste Coudurier 17 years ago
parent bed4fc54c9
commit bf912a482b
  1. 3
      libavformat/utils.c

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

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