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Diffstat (limited to 'gst-libs/ext/libav/libavcodec/dvdata.c')
-rw-r--r--gst-libs/ext/libav/libavcodec/dvdata.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/gst-libs/ext/libav/libavcodec/dvdata.c b/gst-libs/ext/libav/libavcodec/dvdata.c
index 3a135a9..62e569c 100644
--- a/gst-libs/ext/libav/libavcodec/dvdata.c
+++ b/gst-libs/ext/libav/libavcodec/dvdata.c
@@ -248,11 +248,13 @@ static const DVprofile dv_profiles[] = {
const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
const uint8_t* frame, unsigned buf_size)
{
- int i;
+ int i, dsf, stype;
- int dsf = (frame[3] & 0x80) >> 7;
+ if (buf_size < 80*5 + 48 + 4)
+ return NULL;
- int stype = frame[80*5 + 48 + 3] & 0x1f;
+ dsf = (frame[3] & 0x80) >> 7;
+ stype = frame[80*5 + 48 + 3] & 0x1f;
/* 576i50 25Mbps 4:1:1 is a special case */
if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {