Steven Liu <l...@chinaffmpeg.org> 于2020年8月18日周二 上午10:44写道：
>
> 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 <l...@chinaffmpeg.org>
> Suggested-by: Zhili Zhao <quinkbl...@foxmail.com>
> ---
> libavformat/hlsenc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index cb31d6aed7..4471858222 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -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;
> --
> 2.25.0
>
>
>
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pushed
Thanks
Steven
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