ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Fri Sep 16 01:48:36 2016 +0200| [51000b994514e64a6c5039e179f20c9e24f87c45] | committer: Michael Niedermayer
avformat/movenc: Make the packet check more tolerant Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=51000b994514e64a6c5039e179f20c9e24f87c45 --- libavformat/movenc.c | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index b704f49..aa4a076 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -4666,25 +4666,26 @@ static int check_pkt(AVFormatContext *s, AVPacket *pkt) { MOVMuxContext *mov = s->priv_data; MOVTrack *trk = &mov->tracks[pkt->stream_index]; + int64_t ref; + uint64_t duration; if (trk->entry) { - int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts; - if (duration < 0 || duration > INT_MAX) { - av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n", - duration, pkt->dts - ); - - pkt->dts = trk->cluster[trk->entry - 1].dts + 1; - pkt->pts = AV_NOPTS_VALUE; - } - } else if (pkt->dts <= INT_MIN || pkt->dts >= INT_MAX) { - av_log(s, AV_LOG_ERROR, "Application provided initial timestamp: %"PRId64" is out of range for mov/mp4 format\n", - pkt->dts - ); + ref = trk->cluster[trk->entry - 1].dts; + } else if (trk->start_dts != AV_NOPTS_VALUE) { + ref = trk->start_dts + trk->track_duration; + } else + ref = pkt->dts; // Skip tests for the first packet - pkt->dts = 0; - pkt->pts = AV_NOPTS_VALUE; + duration = pkt->dts - ref; + if (pkt->dts < ref || duration >= INT_MAX) { + av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n", + duration, pkt->dts + ); + + pkt->dts = ref + 1; + pkt->pts = AV_NOPTS_VALUE; } + if (pkt->duration < 0 || pkt->duration > INT_MAX) { av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration); return AVERROR(EINVAL); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog