[FFmpeg-cvslog] mov: Remove ancient heuristic hack
Derek Buitenhuis
git at videolan.org
Mon Mar 20 09:08:41 EET 2017
ffmpeg | branch: master | Derek Buitenhuis <derek.buitenhuis at gmail.com> | Fri Aug 26 14:30:06 2016 +0100| [eb96505b761eb02b6a3efc76d854afa6a41941ff] | committer: Luca Barbato
mov: Remove ancient heuristic hack
This breaks files with legitimate single-entry edit lists,
and the hack, introduced in f03a081df09f9c4798a17d7e24446ed47924b11b,
has no link to any known sample in its commit message.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eb96505b761eb02b6a3efc76d854afa6a41941ff
---
libavformat/isom.h | 1 -
libavformat/mov.c | 8 +-------
2 files changed, 1 insertion(+), 8 deletions(-)
diff --git a/libavformat/isom.h b/libavformat/isom.h
index 75aa70b..58f0a20 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -128,7 +128,6 @@ typedef struct MOVStreamContext {
unsigned drefs_count;
MOVDref *drefs;
int dref_id;
- int wrong_dts; ///< dts are wrong due to huge ctts offset (iMovie files)
int width; ///< tkhd width
int height; ///< tkhd height
int dts_shift; ///< dts shift when ctts is negative
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 03427d7..89c2c23 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2307,12 +2307,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
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->stts_data[0].duration &&
- sc->ctts_data[0].duration / sc->stts_data[0].duration > 16) {
- /* more than 16 frames delay, dts are likely wrong
- this happens with files created by iMovie */
- sc->wrong_dts = 1;
+ sc->ctts_data[0].duration / sc->stts_data[0].duration > 16)
st->internal->avctx->has_b_frames = 1;
- }
}
/* only use old uncompressed audio chunk demuxing when stts specifies it */
@@ -3670,8 +3666,6 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
sc->ctts_index++;
sc->ctts_sample = 0;
}
- if (sc->wrong_dts)
- pkt->dts = AV_NOPTS_VALUE;
} else {
int64_t next_dts = (sc->current_sample < st->nb_index_entries) ?
st->index_entries[sc->current_sample].timestamp : st->duration;
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