@@ -488,6 +488,7 @@ static int dv_probe(AVProbeData *p)

 {

     unsigned state, marker_pos = 0;

     int i;

+    int matches = 0;

     if (p->buf_size < 5)

         return 0;

@@ -495,14 +496,19 @@ static int dv_probe(AVProbeData *p)

     state = AV_RB32(p->buf);

     for (i = 4; i < p->buf_size; i++) {

         if ((state & 0xffffff7f) == 0x1f07003f)

-            return AVPROBE_SCORE_MAX*3/4; // not max to avoid dv in mov to match

+            matches++;

         if (state == 0x003f0700 || state == 0xff3f0700)

             marker_pos = i;

         if (state == 0xff3f0701 && i - marker_pos == 80)

-            return AVPROBE_SCORE_MAX/4;

+            matches++;

         state = (state << 8) | p->buf[i];

     }

+    if (matches && p->buf_size / matches < 1024*1024) {

+        if (matches > 4)

+            return AVPROBE_SCORE_MAX*3/4; // not max to avoid dv in mov to match

+        return AVPROBE_SCORE_MAX/4;

+    }

     return 0;

 }