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lavf: only set average frame rate for video.

This commit is contained in:
Anton Khirnov 2012-03-13 21:45:05 +01:00
parent 9ade26ee91
commit f35f8eeb0d
1 changed files with 4 additions and 4 deletions
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8
libavformat/utils.c
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@ -2421,11 +2421,11 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
}
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
// the check for tb_unreliable() is not completely correct, since this is not about handling
// a unreliable/inexact time base, but a time base that is finer than necessary, as e.g.
// ipmovie.c produces.