Adjusting it is only necessary when a sidx/tfrf/tfxd atom already has been written for the previous fragment (since the sidx/tfrf/tfxd atoms include the duration between the first pts of the previous fragment, to the first pts of the new fragment). --- libavformat/movenc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index bc5370e..85d865e 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -3454,10 +3454,12 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) * of this packet to be what the previous packets duration implies. */ trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration; /* We also may have written the pts and the corresponding duration - * in sidx tags; make sure the sidx pts and duration match up with + * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with * the next fragment. This means the cts of the first sample must * be the same in all fragments. */ - pkt->pts = pkt->dts + trk->start_cts; + if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART)) || + mov->mode == MODE_ISM) + pkt->pts = pkt->dts + trk->start_cts; } else { /* New fragment, but discontinuous from previous fragments. * Pretend the duration sum of the earlier fragments is -- 1.9.5 (Apple Git-50.3) _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel