bit: require at least 1 frame for probing

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · 647ec6fc03
parent 658c5209fb
commit 647ec6fc03
1 changed files with 3 additions and 0 deletions
--- a/libavformat/bit.c
+++ b/libavformat/bit.c
@ -12,6 +12,9 @@ static int probe(AVProbeData *p)
 {
    int i, j;

+    if(p->buf_size < 0x40)
+        return 0;
+
    for(i=0; i+3<p->buf_size && i< 10*0x50; ){
        if(AV_RL16(&p->buf[0]) != SYNC_WORD)
            return 0;