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avformat/hlsenc: compute segment duration use current pts minus last segment end pts 

segment duration is using vs duration which compute by frame per second,
that can not fix problem of VFR video stream, so compute the duration
when split the segment, set the segment target duration use
current packet pts minus the prev segment end pts..

Reported-by: Zhao Jun <barryjzhao@tencent.com>
Reviewed-by: Zhao Jun <barryjzhao@tencent.com>
Signed-off-by: Steven Liu <liuqi05@kuaishou.com>
This commit is contained in:
Steven Liu 2020-04-29 20:39:22 +08:00
parent 03b1b96832
commit a7bab199e5
1 changed files with 2 additions and 1 deletions
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3
libavformat/hlsenc.c
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@ -2463,7 +2463,8 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
}
if (vs->start_pos || hls->segment_type != SEGMENT_TYPE_FMP4) {
ret = hls_append_segment(s, hls, vs, vs->duration, vs->start_pos, vs->size);
double cur_duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
ret = hls_append_segment(s, hls, vs, cur_duration, vs->start_pos, vs->size);
vs->end_pts = pkt->pts;
vs->duration = 0;
if (ret < 0) {