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lavf: add field for how duration is estimated

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Signed-off-by: Michael Bradshaw <mbradshaw@sorensonmedia.com>
This commit is contained in:
Michael Bradshaw
2012-06-17 22:20:09 -07:00
committed by Nicolas George
parent 3b3150ec9b
commit 2243f0d078
4 changed files with 27 additions and 2 deletions
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3
libavformat/utils.c
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@@ -2228,14 +2228,17 @@ static void estimate_timings(AVFormatContext *ic, int64_t old_offset)
file_size && ic->pb->seekable) {
/* get accurate estimate from the PTSes */
estimate_timings_from_pts(ic, old_offset);
ic->duration_estimation_method = AVFMT_DURATION_FROM_PTS;
} else if (has_duration(ic)) {
/* 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;
} else {
av_log(ic, AV_LOG_WARNING, "Estimating duration from bitrate, this may be inaccurate\n");
/* less precise: use bitrate info */
estimate_timings_from_bit_rate(ic);
ic->duration_estimation_method = AVFMT_DURATION_FROM_BITRATE;
}
update_stream_timings(ic);