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avformat/hlsenc: process hls_time value too small sence 

The target duration will be a negative value when there are
some b frames after prevous frame, the pts after current packet
is large than the pts of current packet, so the target duration
will compute as 0.040000 - 0.080000, then the value of the target
duration will be -0.040000. so hls muxer should check the pts after
current packet minus the pts of current packet, hls muxer can split
the stream as a segment if the target duration is neither negative nor
zero, hls muxer cannot split the stream as a segment if the
target duration is either negative or zero then get the next packet
until the target duration is not negative or zero.

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Suggested-by: Zhili Zhao <quinkblack@foxmail.com>
Signed-off-by: liuqi05 <liuqi05@kuaishou.com>
This commit is contained in:
Steven Liu 2020-08-18 10:44:11 +08:00 committed by liuqi05
parent 2134667227
commit a424671e4f
1 changed files with 1 additions and 1 deletions
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2
libavformat/hlsenc.c
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@ -2398,9 +2398,9 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
vs->duration = (double)(pkt->pts - vs->end_pts) * st->time_base.num / st->time_base.den;
}
}
}
can_split = can_split && (pkt->pts - vs->end_pts > 0);
if (vs->packets_written && can_split && av_compare_ts(pkt->pts - vs->start_pts, st->time_base,
end_pts, AV_TIME_BASE_Q) >= 0) {
int64_t new_start_pos;