X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fhcom.c;h=0d1736b6201ab95b5d77dbf773ffd2752d3accb8;hb=d6489ddb7a6cdfb6bd4e5b8095d765e0ba1aba4a;hp=933ecce373ca8312f3fc1b16d820d7352790585c;hpb=268d1466498b0f404719b21f3b78802820b6881b;p=ffmpeg

diff --git a/libavformat/hcom.c b/libavformat/hcom.c
index 933ecce373c..0d1736b6201 100644
--- a/libavformat/hcom.c
+++ b/libavformat/hcom.c
@@ -25,8 +25,10 @@
 #include "internal.h"
 #include "pcm.h"
 
-static int hcom_probe(AVProbeData *p)
+static int hcom_probe(const AVProbeData *p)
 {
+    if (p->buf_size < 132)
+        return 0;
     if (!memcmp(p->buf+65, "FSSD", 4) &&
         !memcmp(p->buf+128, "HCOM", 4))
         return AVPROBE_SCORE_MAX;