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avformat/movenc: Use cluster timestamps when available in edts

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Also print both if they differ

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-03 02:37:18 +01:00
parent 0506f687e8
commit 504267fb56
1 changed files with 17 additions and 3 deletions
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20
libavformat/movenc.c
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@ -2232,7 +2232,21 @@ static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
int version = duration < INT32_MAX ? 0 : 1;
int entry_size, entry_count, size;
int64_t delay, start_ct = track->start_cts;
delay = av_rescale_rnd(track->start_dts + start_ct, MOV_TIMESCALE,
int64_t start_dts = track->start_dts;
if (track->entry) {
if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
av_log(mov->fc, AV_LOG_DEBUG,
"EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
track->cluster[0].dts, track->cluster[0].cts,
start_dts, start_ct, track->track_id);
start_dts = track->cluster[0].dts;
start_ct = track->cluster[0].cts;
}
}
delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
track->timescale, AV_ROUND_DOWN);
version |= delay < INT32_MAX ? 0 : 1;
@ -2268,8 +2282,8 @@ static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
* special meaning. Normally start_ct should end up positive or zero
* here, but use FFMIN in case dts is a a small positive integer
* rounded to 0 when represented in MOV_TIMESCALE units. */
av_assert0(av_rescale_rnd(track->start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
start_ct = -FFMIN(track->start_dts, 0);
av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
start_ct = -FFMIN(start_dts, 0);
/* Note, this delay is calculated from the pts of the first sample,
* ensuring that we don't reduce the duration for cases with
* dts<0 pts=0. */