avformat/h264dec: Fix detection of invalid h264 with 0x100 startcodes

Fies Ticket4325 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · dae89802a6
parent 2e15f07cfd
commit dae89802a6
1 changed files with 4 additions and 2 deletions
--- a/libavformat/h264dec.c
+++ b/libavformat/h264dec.c
@ -47,8 +47,10 @@ static int h264_probe(AVProbeData *p)
                return 0;
            if (ref_zero[type] == -1 && !ref_idc)
                return 0;
-            if (ref_zero[type] == 2)
-                res++;
+            if (ref_zero[type] == 2) {
+                if (!(code == 0x100 && !p->buf[i + 1] && !p->buf[i + 2]))
+                    res++;
+            }

            switch (type) {
            case 1: