[FFmpeg-cvslog] libavcodec/lcldec: width and height should not be unsigned
Michael Niedermayer
git at videolan.org
Fri Dec 22 01:51:20 EET 2023
ffmpeg | branch: release/4.4 | Michael Niedermayer <michael at niedermayer.cc> | Thu Mar 9 13:57:14 2023 +0100| [01e36c67140baf16f628852a156c9253e0ec529a] | committer: Michael Niedermayer
libavcodec/lcldec: width and height should not be unsigned
Computations like col < width - 3 will not work with unsigned width=1
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 3eb4e28c26c3bce608214f392ab1fe6ee28ec1df)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=01e36c67140baf16f628852a156c9253e0ec529a
---
libavcodec/lcldec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index d281733fdd..bdf97a2c3f 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -166,8 +166,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
int row, col;
unsigned char *encoded = avpkt->data, *outptr;
uint8_t *y_out, *u_out, *v_out;
- unsigned int width = avctx->width; // Real image width
- unsigned int height = avctx->height; // Real image height
+ int width = avctx->width; // Real image width
+ int height = avctx->height; // Real image height
unsigned int mszh_dlen;
unsigned char yq, y1q, uq, vq;
int uqvq, ret;
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