X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Favr.c;h=a33134eed529effe0c34ed8272512592a2476604;hb=43bf4297e4db95be5901c04ec8e89901c187b01d;hp=02edf451a82f383171454e1bbb89f737139d59a1;hpb=b1f213a83ae8d4fe3fa83a145fdbe6da7fd36a90;p=ffmpeg

diff --git a/libavformat/avr.c b/libavformat/avr.c
index 02edf451a82..a33134eed52 100644
--- a/libavformat/avr.c
+++ b/libavformat/avr.c
@@ -26,9 +26,15 @@
 
 static int avr_probe(AVProbeData *p)
 {
-    if (AV_RL32(p->buf) == MKTAG('2', 'B', 'I', 'T'))
-        return AVPROBE_SCORE_EXTENSION;
-    return 0;
+    if (AV_RL32(p->buf) != MKTAG('2', 'B', 'I', 'T'))
+        return 0;
+
+    if (!AV_RB16(p->buf+12) || AV_RB16(p->buf+12) > 256) // channels
+        return AVPROBE_SCORE_EXTENSION/2;
+    if (AV_RB16(p->buf+14) > 256) // bps
+        return AVPROBE_SCORE_EXTENSION/2;
+
+    return AVPROBE_SCORE_EXTENSION;
 }
 
 static int avr_read_header(AVFormatContext *s)