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avformat/mov: parse multiple iTunes cover images 

Multiple cover images are supported by having multiple data atoms
inside the covr atom. AtomicParsley and mutagen amongst others
support and document this construct.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Timo Teräs 2018-03-29 15:59:33 +03:00 committed by Michael Niedermayer
parent 8247e0304e
commit 8c980b1c92
1 changed files with 4 additions and 0 deletions
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4
libavformat/mov.c
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@ -412,7 +412,11 @@ retry:
int ret = mov_read_covr(c, pb, data_type, str_size);
if (ret < 0) {
av_log(c->fc, AV_LOG_ERROR, "Error parsing cover art.\n");
return ret;
}
atom.size -= str_size;
if (atom.size > 8)
goto retry;
return ret;
} else if (!key && c->found_hdlr_mdta && c->meta_keys) {
uint32_t index = AV_RB32(&atom.type);