smush: improve probing

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-04 16:40:21 +00:00
parent a15adabdd3
commit c4dd4f19f3

View File

@ -32,8 +32,10 @@ typedef struct {
static int smush_read_probe(AVProbeData *p)
{
if ((AV_RL32(p->buf) == MKTAG('S', 'A', 'N', 'M') ||
AV_RL32(p->buf) == MKTAG('A', 'N', 'I', 'M'))) {
if (((AV_RL32(p->buf) == MKTAG('S', 'A', 'N', 'M') &&
AV_RL32(p->buf + 8) == MKTAG('S', 'H', 'D', 'R')) ||
(AV_RL32(p->buf) == MKTAG('A', 'N', 'I', 'M') &&
AV_RL32(p->buf + 8) == MKTAG('A', 'H', 'D', 'R')))) {
return AVPROBE_SCORE_MAX;
}