Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/mov.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 9406e42f49..70f76caff5 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -7113,6 +7113,11 @@ static int mov_probe(const AVProbeData *p)
if ((offset + 8) > (unsigned int)p->buf_size)
break;
size = AV_RB32(p->buf + offset);
+ if (size == 1 && offset + 16 > (unsigned int)p->buf_size) {
+ size = AV_RB64(p->buf+offset + 8);
+ } else if (size == 0) {
+ size = p->buf_size - offset;
+ }
tag = AV_RL32(p->buf + offset + 4);
switch(tag) {
/* check for obvious tags */
--
2.17.1
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