diff options
-rw-r--r-- | libavformat/movenc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 6c95b4b3aa..4017a56158 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -1628,6 +1628,13 @@ static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) avio_wb32(pb, -1); } avio_wb32(pb, 0x00010000); + } else { + /* Avoid accidentally ending up with start_ct = -1 which has got a + * special meaning. Normally start_ct should end up positive or zero + * here, but use FFMIN in case dts is a a small positive integer + * rounded to 0 when represented in MOV_TIMESCALE units. */ + start_ct = -FFMIN(track->cluster[0].dts, 0); + duration += delay; } /* duration */ |