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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