avformat/img2dec: Little JFIF / Exif cleanup

This changes the behavior and makes it behave how it probably was intended.
Either way this is unlikely to result in any user visible change

Fixes: CID1494637 Missing break in switch

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Michael Niedermayer 2024-06-03 00:56:31 +02:00 committed by Paul B Mahol
parent 91c6668ff4
commit dc9aca7d92

View File

@ -793,11 +793,13 @@ static int jpeg_probe(const AVProbeData *p)
state = EOI;
break;
case APP0:
if (AV_RL32(&b[i + 4]) == MKTAG('J','F','I','F'))
if (c == APP0 && AV_RL32(&b[i + 4]) == MKTAG('J','F','I','F'))
got_header = 1;
/* fallthrough */
case APP1:
if (AV_RL32(&b[i + 4]) == MKTAG('E','x','i','f'))
if (c == APP1 && AV_RL32(&b[i + 4]) == MKTAG('E','x','i','f'))
got_header = 1;
/* fallthrough */
case APP2:
case APP3:
case APP4: