Fixes: Assertion av_rescale_rnd(start_dts, mov->movie_timescale,
track->timescale, AV_ROUND_DOWN) <= 0 failed at libavformat/movenc.c:3694
Fixes: poc2
Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/movenc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index ae94d8d5959..5617a2620c5 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6194,6 +6194,12 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket
*pkt)
if (ret < 0)
return ret;
+ if (pkt->pts != AV_NOPTS_VALUE &&
+ (uint64_t)pkt->dts - pkt->pts != (int32_t)((uint64_t)pkt->dts -
pkt->pts)) {
+ av_log(s, AV_LOG_WARNING, "pts/dts pair unsupported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
if (mov->flags & FF_MOV_FLAG_FRAGMENT || mov->mode == MODE_AVIF) {
int ret;
if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
--
2.17.1
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