avcodec/hnm4video: change width/height to int

Fixes hypothetical integer overflows
Related to CID1135770 & CID1135771

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavcodec/hnm4video.c b/libavcodec/hnm4video.c
index 177972ba64d0057242682b8e119c2d009f670504..bb827dfac3114f4f30726c617ab2b0b6a80f4ee9 100644 (file)
--- a/libavcodec/hnm4video.c
+++ b/libavcodec/hnm4video.c
@@ -36,8 +36,8 @@
 
 typedef struct Hnm4VideoContext {
     uint8_t version;
-    uint16_t width;
-    uint16_t height;
+    int width;
+    int height;
     uint8_t *current;
     uint8_t *previous;
     uint8_t *buffer1;