avoid division by zero in av_find_stream_info() when no time base is set

Originally committed as revision 9637 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2007-07-14 12:42:57 +00:00
parent 7eed4aef83
commit b3fc092548

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@ -1891,7 +1891,7 @@ int av_find_stream_info(AVFormatContext *ic)
(st->codec->codec_id == CODEC_ID_MPEG4 && !st->need_parsing))*/)
try_decode_frame(st, pkt->data, pkt->size);
if (av_rescale_q(codec_info_duration[st->index], st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration) {
if (st->time_base.den > 0 && av_rescale_q(codec_info_duration[st->index], st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration) {
break;
}
count++;