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avformat/mov: add support for sync group in sbgp box

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This commit is contained in:
Clément Bœsch 2022-02-18 22:52:31 +01:00
parent 954f488ea3
commit eb947471b2
2 changed files with 7 additions and 0 deletions
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2
libavformat/isom.h
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@ -218,6 +218,8 @@ typedef struct MOVStreamContext {
int start_pad; ///< amount of samples to skip due to enc-dec delay
unsigned int rap_group_count;
MOVSbgp *rap_group;
unsigned int sync_group_count;
MOVSbgp *sync_group;
int nb_frames_for_fps;
int64_t duration_for_fps;

5
libavformat/mov.c
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@ -3152,6 +3152,9 @@ static int mov_read_sbgp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
if (grouping_type == MKTAG('r','a','p',' ')) {
tablep = &sc->rap_group;
table_count = &sc->rap_group_count;
} else if (grouping_type == MKTAG('s','y','n','c')) {
tablep = &sc->sync_group;
table_count = &sc->sync_group_count;
} else {
return 0;
}
@ -4371,6 +4374,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_freep(&sc->stps_data);
av_freep(&sc->elst_data);
av_freep(&sc->rap_group);
av_freep(&sc->sync_group);
return 0;
}
@ -7710,6 +7714,7 @@ static int mov_read_close(AVFormatContext *s)
av_freep(&sc->stps_data);
av_freep(&sc->elst_data);
av_freep(&sc->rap_group);
av_freep(&sc->sync_group);
av_freep(&sc->display_matrix);
av_freep(&sc->index_ranges);