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avformat/mov: simplify size code in probing a bit 

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-02-06 18:22:56 +01:00
parent fec4a2d232
commit 941e747d66
1 changed files with 1 additions and 4 deletions
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5
libavformat/mov.c
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@ -7131,10 +7131,7 @@ static int mov_probe(const AVProbeData *p)
case MKTAG('p','n','o','t'): /* detect movs with preview pics like ew.mov and april.mov */
case MKTAG('u','d','t','a'): /* Packet Video PVAuthor adds this and a lot of more junk */
case MKTAG('f','t','y','p'):
if (size < 8 &&
(size != 1 ||
offset + 12 > (unsigned int)p->buf_size ||
AV_RB64(p->buf+offset + 8) == 0)) {
if (size < 8) {
score = FFMAX(score, AVPROBE_SCORE_EXTENSION);
} else if (tag == MKTAG('f','t','y','p') &&
( AV_RL32(p->buf + offset + 8) == MKTAG('j','p','2',' ')