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avformat/utils: Use codec_info_duration_fields in fps calculation end decission when no timestamps and thus no duration_count is available

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This avoids waiting for a count to increase which will always be 0 and may
reduce the startup delay for affected streams (rare)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-04-18 00:58:51 +02:00
parent e2691b8092
commit 80fa48a413
1 changed files with 7 additions and 3 deletions
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10
libavformat/utils.c
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@ -3136,9 +3136,13 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
fps_analyze_framecount = 0;
/* variable fps and no guess at the real fps */
if (!(st->r_frame_rate.num && st->avg_frame_rate.num) &&
st->info->duration_count < fps_analyze_framecount &&
st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
break;
st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
int count = (ic->iformat->flags & AVFMT_NOTIMESTAMPS) ?
st->info->codec_info_duration_fields/2 :
st->info->duration_count;
if (count < fps_analyze_framecount)
break;
}
if (st->parser && st->parser->parser->split &&
!st->codec->extradata)
break;