[FFmpeg-cvslog] libavcodec/lcldec: width and height should not be unsigned

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Thu Mar  9 13:57:14 2023 +0100| [3eb4e28c26c3bce608214f392ab1fe6ee28ec1df] | 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>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3eb4e28c26c3bce608214f392ab1fe6ee28ec1df
---

 libavcodec/lcldec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index 5cc0a29bcd..95206eeb69 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -169,8 +169,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
     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;