diff --git a/libavformat/utils.c b/libavformat/utils.c index 0b462441d3..301528d99e 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -1021,7 +1021,10 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st, presentation_delayed = 1; if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts && st->pts_wrap_bits<63){ - pkt->dts -= 1LL<pts_wrap_bits; + if(is_relative(st->cur_dts) || pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > st->cur_dts) { + pkt->dts -= 1LL<pts_wrap_bits; + } else + pkt->pts += 1LL<pts_wrap_bits; } // some mpeg2 in mpeg-ps lack dts (issue171 / input_file.mpg)