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Check dref size based on a patch by google 

Originally committed as revision 25081 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-09-08 20:20:24 +00:00
parent 9044dd8399
commit 0e7d436d92
1 changed files with 3 additions and 0 deletions
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3
libavformat/mov.c
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@ -345,6 +345,9 @@ static int mov_read_dref(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
uint32_t size = get_be32(pb);
int64_t next = url_ftell(pb) + size - 4;
if (size < 12)
return -1;
dref->type = get_le32(pb);
get_be32(pb); // version + flags
dprintf(c->fc, "type %.4s size %d\n", (char*)&dref->type, size);