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Diffstat (limited to 'libavcodec/nuv.c')
-rw-r--r--libavcodec/nuv.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index ad6c029e50..8d806dbbff 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -161,6 +161,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
int orig_size = buf_size;
int keyframe, ret;
int size_change = 0;
+ int minsize = 0;
int result, init_frame = !avctx->frame_number;
enum {
NUV_UNCOMPRESSED = '0',
@@ -206,6 +207,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
keyframe = 1;
break;
}
+ switch (comptype) {
+ case NUV_UNCOMPRESSED:
+ minsize = c->width * c->height * 3 / 2;
+ break;
+ case NUV_RTJPEG:
+ minsize = c->width/16 * (c->height/16) * 6;
+ break;
+ }
+ if (buf_size < minsize / 4)
+ return AVERROR_INVALIDDATA;
retry:
// Skip the rest of the frame header.
buf = &buf[12];