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-rw-r--r--libavformat/ape.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/libavformat/ape.c b/libavformat/ape.c
index 613a59d5f8..6f824800a3 100644
--- a/libavformat/ape.c
+++ b/libavformat/ape.c
@@ -86,10 +86,14 @@ typedef struct {
static int ape_probe(AVProbeData * p)
{
- if (p->buf[0] == 'M' && p->buf[1] == 'A' && p->buf[2] == 'C' && p->buf[3] == ' ')
- return AVPROBE_SCORE_MAX;
+ int version = AV_RL16(p->buf+4);
+ if (AV_RL32(p->buf) != MKTAG('M', 'A', 'C', ' '))
+ return 0;
- return 0;
+ if (version < APE_MIN_VERSION || version > APE_MAX_VERSION)
+ return AVPROBE_SCORE_MAX/4;
+
+ return AVPROBE_SCORE_MAX;
}
static void ape_dumpinfo(AVFormatContext * s, APEContext * ape_ctx)