From c4dd4f19f335c531ccc0afacc596b54ef2d2359e Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sun, 4 Nov 2012 16:40:21 +0000
Subject: [PATCH] smush: improve probing
Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
libavformat/smush.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/smush.c b/libavformat/smush.c
index b164c7516e9..19ac5d94918 100644
--- a/libavformat/smush.c
+++ b/libavformat/smush.c
@@ -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;
}
--
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