vc1dsp: Change remaining stride parameters to ptrdiff_t

The existing x86 assembly for loop filters uses the stride as a
full register without clearing/sign extending the upper half
of the registers on x86_64.

This avoids crashes if the caller would have passed nonzero bits
in the previously undefined upper 32 bits of the parameters.

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 9 insertions, 9 deletions

diff --git a/libavcodec/vc1dsp.h b/libavcodec/vc1dsp.h
index c6443acb20..fe60025a2a 100644
--- a/libavcodec/vc1dsp.h
+++ b/libavcodec/vc1dsp.h
@@ -42,16 +42,16 @@ typedef struct VC1DSPContext {
     void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
     void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
     void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
-    void (*vc1_v_overlap)(uint8_t *src, int stride);
-    void (*vc1_h_overlap)(uint8_t *src, int stride);
+    void (*vc1_v_overlap)(uint8_t *src, ptrdiff_t stride);
+    void (*vc1_h_overlap)(uint8_t *src, ptrdiff_t stride);
     void (*vc1_v_s_overlap)(int16_t *top,  int16_t *bottom);
-    void (*vc1_h_s_overlap)(int16_t *left, int16_t *right, int left_stride, int right_stride, int flags);
-    void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
-    void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
-    void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
-    void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
-    void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
-    void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
+    void (*vc1_h_s_overlap)(int16_t *left, int16_t *right, ptrdiff_t left_stride, ptrdiff_t right_stride, int flags);
+    void (*vc1_v_loop_filter4)(uint8_t *src, ptrdiff_t stride, int pq);
+    void (*vc1_h_loop_filter4)(uint8_t *src, ptrdiff_t stride, int pq);
+    void (*vc1_v_loop_filter8)(uint8_t *src, ptrdiff_t stride, int pq);
+    void (*vc1_h_loop_filter8)(uint8_t *src, ptrdiff_t stride, int pq);
+    void (*vc1_v_loop_filter16)(uint8_t *src, ptrdiff_t stride, int pq);
+    void (*vc1_h_loop_filter16)(uint8_t *src, ptrdiff_t stride, int pq);
 
     /* put 8x8 block with bicubic interpolation and quarterpel precision
      * last argument is actually round value instead of height