vp56: Change type of stride parameters to ptrdiff_t

This avoids SIMD-optimized functions having to sign-extend their
line size argument manually to be able to do pointer arithmetic.

1 files changed, 6 insertions, 4 deletions

diff --git a/libavcodec/vp56dsp.h b/libavcodec/vp56dsp.h
index 389d35901c..d52ee660db 100644
--- a/libavcodec/vp56dsp.h
+++ b/libavcodec/vp56dsp.h
@@ -21,18 +21,20 @@
 #ifndef AVCODEC_VP56DSP_H
 #define AVCODEC_VP56DSP_H
 
+#include <stddef.h>
 #include <stdint.h>
+
 #include "avcodec.h"
 
 typedef struct VP56DSPContext {
-    void (*edge_filter_hor)(uint8_t *yuv, int stride, int t);
-    void (*edge_filter_ver)(uint8_t *yuv, int stride, int t);
+    void (*edge_filter_hor)(uint8_t *yuv, ptrdiff_t stride, int t);
+    void (*edge_filter_ver)(uint8_t *yuv, ptrdiff_t stride, int t);
 
-    void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, int stride,
+    void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                              const int16_t *h_weights,const int16_t *v_weights);
 } VP56DSPContext;
 
-void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, int stride,
+void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                            const int16_t *h_weights, const int16_t *v_weights);
 
 void ff_vp56dsp_init(VP56DSPContext *s, enum AVCodecID codec);