From f33a6a22b4f2382a5113194335ae2a22ae957fed Mon Sep 17 00:00:00 2001 From: Yusuke Nakamura Date: Fri, 13 May 2011 23:46:48 +0900 Subject: [PATCH] mov: Fix wrong timestamp generation for fragmented movies that have time offset caused by the first edit list entry. Signed-off-by: Anton Khirnov --- libavformat/mov.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 4d3f4f6..ab5c4e2 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1532,8 +1532,9 @@ static void mov_build_index(MOVContext *mov, AVStream *st) /* adjust first dts according to edit list */ if (sc->time_offset && mov->time_scale > 0) { - int rescaled = sc->time_offset < 0 ? av_rescale(sc->time_offset, sc->time_scale, mov->time_scale) : sc->time_offset; - current_dts = -rescaled; + if (sc->time_offset < 0) + sc->time_offset = av_rescale(sc->time_offset, sc->time_scale, mov->time_scale); + current_dts = -sc->time_offset; if (sc->ctts_data && sc->stts_data && sc->ctts_data[0].duration / sc->stts_data[0].duration > 16) { /* more than 16 frames delay, dts are likely wrong @@ -2063,7 +2064,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) if (flags & 0x001) data_offset = avio_rb32(pb); if (flags & 0x004) first_sample_flags = avio_rb32(pb); - dts = st->duration; + dts = st->duration - sc->time_offset; offset = frag->base_data_offset + data_offset; distance = 0; av_dlog(c->fc, "first sample flags 0x%x\n", first_sample_flags); @@ -2092,7 +2093,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) offset += sample_size; } frag->moof_offset = offset; - st->duration = dts; + st->duration = dts + sc->time_offset; return 0; } -- 2.7.4