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lavf/utils: correct the duration estimation method for nut demuxer 

in fact, nut demuxer use the PTS for duration estimation.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
This commit is contained in:
Jun Zhao 2019-09-28 10:45:31 +08:00
parent 12e6057fb0
commit 541c635628
1 changed files with 5 additions and 1 deletions
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6
libavformat/utils.c
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@ -2956,7 +2956,11 @@ static void estimate_timings(AVFormatContext *ic, int64_t old_offset)
/* at least one component has timings - we use them for all
* the components */
fill_all_stream_timings(ic);
ic->duration_estimation_method = AVFMT_DURATION_FROM_STREAM;
/* nut demuxer estimate the duration from PTS */
if(!strcmp(ic->iformat->name, "nut"))
ic->duration_estimation_method = AVFMT_DURATION_FROM_PTS;
else
ic->duration_estimation_method = AVFMT_DURATION_FROM_STREAM;
} else {
/* less precise: use bitrate info */
estimate_timings_from_bit_rate(ic);