[FFmpeg-cvslog] vp8: change int stride to ptrdiff_t stride.

Ronald S. Bultje git at videolan.org
Sat Mar 3 00:38:32 CET 2012


ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Thu Mar  1 21:17:03 2012 -0800| [bd66f073fe7286bd3c03e608f923577e4768445a] | committer: Ronald S. Bultje

vp8: change int stride to ptrdiff_t stride.

On 64bit platforms with 32bit int, this means we won't have to sign-
extend the integer anymore.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bd66f073fe7286bd3c03e608f923577e4768445a
---

 libavcodec/arm/vp8dsp_init_arm.c |   32 +++---
 libavcodec/ppc/vp8dsp_altivec.c  |   16 ++--
 libavcodec/vp8dsp.c              |   44 +++++-----
 libavcodec/vp8dsp.h              |   45 +++++----
 libavcodec/x86/vp8dsp-init.c     |  189 +++++++++++++++++++++-----------------
 5 files changed, 178 insertions(+), 148 deletions(-)

diff --git a/libavcodec/arm/vp8dsp_init_arm.c b/libavcodec/arm/vp8dsp_init_arm.c
index 5eea846..83f3634 100644
--- a/libavcodec/arm/vp8dsp_init_arm.c
+++ b/libavcodec/arm/vp8dsp_init_arm.c
@@ -22,38 +22,38 @@
 void ff_vp8_luma_dc_wht_neon(DCTELEM block[4][4][16], DCTELEM dc[16]);
 void ff_vp8_luma_dc_wht_dc_neon(DCTELEM block[4][4][16], DCTELEM dc[16]);
 
-void ff_vp8_idct_add_neon(uint8_t *dst, DCTELEM block[16], int stride);
-void ff_vp8_idct_dc_add_neon(uint8_t *dst, DCTELEM block[16], int stride);
-void ff_vp8_idct_dc_add4y_neon(uint8_t *dst, DCTELEM block[4][16], int stride);
-void ff_vp8_idct_dc_add4uv_neon(uint8_t *dst, DCTELEM block[4][16], int stride);
+void ff_vp8_idct_add_neon(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
+void ff_vp8_idct_dc_add_neon(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
+void ff_vp8_idct_dc_add4y_neon(uint8_t *dst, DCTELEM block[4][16], ptrdiff_t stride);
+void ff_vp8_idct_dc_add4uv_neon(uint8_t *dst, DCTELEM block[4][16], ptrdiff_t stride);
 
-void ff_vp8_v_loop_filter16_neon(uint8_t *dst, int stride,
+void ff_vp8_v_loop_filter16_neon(uint8_t *dst, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
-void ff_vp8_h_loop_filter16_neon(uint8_t *dst, int stride,
+void ff_vp8_h_loop_filter16_neon(uint8_t *dst, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
-void ff_vp8_v_loop_filter8uv_neon(uint8_t *dstU, uint8_t *dstV, int stride,
+void ff_vp8_v_loop_filter8uv_neon(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
                                   int flim_E, int flim_I, int hev_thresh);
-void ff_vp8_h_loop_filter8uv_neon(uint8_t *dstU, uint8_t *dstV, int stride,
+void ff_vp8_h_loop_filter8uv_neon(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
                                   int flim_E, int flim_I, int hev_thresh);
 
-void ff_vp8_v_loop_filter16_inner_neon(uint8_t *dst, int stride,
+void ff_vp8_v_loop_filter16_inner_neon(uint8_t *dst, ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
-void ff_vp8_h_loop_filter16_inner_neon(uint8_t *dst, int stride,
+void ff_vp8_h_loop_filter16_inner_neon(uint8_t *dst, ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
 void ff_vp8_v_loop_filter8uv_inner_neon(uint8_t *dstU, uint8_t *dstV,
-                                        int stride, int flim_E, int flim_I,
+                                        ptrdiff_t stride, int flim_E, int flim_I,
                                         int hev_thresh);
 void ff_vp8_h_loop_filter8uv_inner_neon(uint8_t *dstU, uint8_t *dstV,
-                                        int stride, int flim_E, int flim_I,
+                                        ptrdiff_t stride, int flim_E, int flim_I,
                                         int hev_thresh);
 
-void ff_vp8_v_loop_filter16_simple_neon(uint8_t *dst, int stride, int flim);
-void ff_vp8_h_loop_filter16_simple_neon(uint8_t *dst, int stride, int flim);
+void ff_vp8_v_loop_filter16_simple_neon(uint8_t *dst, ptrdiff_t stride, int flim);
+void ff_vp8_h_loop_filter16_simple_neon(uint8_t *dst, ptrdiff_t stride, int flim);
 
 
 #define VP8_MC(n)                                                       \
-    void ff_put_vp8_##n##_neon(uint8_t *dst, int dststride,             \
-                               uint8_t *src, int srcstride,             \
+    void ff_put_vp8_##n##_neon(uint8_t *dst, ptrdiff_t dststride,       \
+                               uint8_t *src, ptrdiff_t srcstride,       \
                                int h, int x, int y)
 
 #define VP8_EPEL(w)                             \
diff --git a/libavcodec/ppc/vp8dsp_altivec.c b/libavcodec/ppc/vp8dsp_altivec.c
index 9c0f663..c3f6502 100644
--- a/libavcodec/ppc/vp8dsp_altivec.c
+++ b/libavcodec/ppc/vp8dsp_altivec.c
@@ -75,8 +75,8 @@ static const vec_s8 h_subpel_filters_outer[3] =
     dstv = vec_sra(dstv, c7)
 
 static av_always_inline
-void put_vp8_epel_h_altivec_core(uint8_t *dst, int dst_stride,
-                                 uint8_t *src, int src_stride,
+void put_vp8_epel_h_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
+                                 uint8_t *src, ptrdiff_t src_stride,
                                  int h, int mx, int w, int is6tap)
 {
     LOAD_H_SUBPEL_FILTER(mx-1);
@@ -161,8 +161,8 @@ static const vec_u8 v_subpel_filters[7] =
     dstv = vec_sra(dstv, c7)
 
 static av_always_inline
-void put_vp8_epel_v_altivec_core(uint8_t *dst, int dst_stride,
-                                 uint8_t *src, int src_stride,
+void put_vp8_epel_v_altivec_core(uint8_t *dst, ptrdiff_t dst_stride,
+                                 uint8_t *src, ptrdiff_t src_stride,
                                  int h, int my, int w, int is6tap)
 {
     LOAD_V_SUBPEL_FILTER(my-1);
@@ -226,19 +226,19 @@ void put_vp8_epel_v_altivec_core(uint8_t *dst, int dst_stride,
 
 #define EPEL_FUNCS(WIDTH, TAPS) \
 static av_noinline \
-void put_vp8_epel ## WIDTH ## _h ## TAPS ## _altivec(uint8_t *dst, int dst_stride, uint8_t *src, int src_stride, int h, int mx, int my) \
+void put_vp8_epel ## WIDTH ## _h ## TAPS ## _altivec(uint8_t *dst, ptrdiff_t dst_stride, uint8_t *src, ptrdiff_t src_stride, int h, int mx, int my) \
 { \
     put_vp8_epel_h_altivec_core(dst, dst_stride, src, src_stride, h, mx, WIDTH, TAPS == 6); \
 } \
 \
 static av_noinline \
-void put_vp8_epel ## WIDTH ## _v ## TAPS ## _altivec(uint8_t *dst, int dst_stride, uint8_t *src, int src_stride, int h, int mx, int my) \
+void put_vp8_epel ## WIDTH ## _v ## TAPS ## _altivec(uint8_t *dst, ptrdiff_t dst_stride, uint8_t *src, ptrdiff_t src_stride, int h, int mx, int my) \
 { \
     put_vp8_epel_v_altivec_core(dst, dst_stride, src, src_stride, h, my, WIDTH, TAPS == 6); \
 }
 
 #define EPEL_HV(WIDTH, HTAPS, VTAPS) \
-static void put_vp8_epel ## WIDTH ## _h ## HTAPS ## v ## VTAPS ## _altivec(uint8_t *dst, int stride, uint8_t *src, int s, int h, int mx, int my) \
+static void put_vp8_epel ## WIDTH ## _h ## HTAPS ## v ## VTAPS ## _altivec(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s, int h, int mx, int my) \
 { \
     DECLARE_ALIGNED(16, uint8_t, tmp)[(2*WIDTH+5)*16]; \
     if (VTAPS == 6) { \
@@ -266,7 +266,7 @@ EPEL_HV(4,  4,6)
 EPEL_HV(4,  6,4)
 EPEL_HV(4,  4,4)
 
-static void put_vp8_pixels16_altivec(uint8_t *dst, int stride, uint8_t *src, int s, int h, int mx, int my)
+static void put_vp8_pixels16_altivec(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s, int h, int mx, int my)
 {
     ff_put_pixels16_altivec(dst, src, stride, h);
 }
diff --git a/libavcodec/vp8dsp.c b/libavcodec/vp8dsp.c
index 89c3453..86dc42e 100644
--- a/libavcodec/vp8dsp.c
+++ b/libavcodec/vp8dsp.c
@@ -77,7 +77,7 @@ static void vp8_luma_dc_wht_dc_c(DCTELEM block[4][4][16], DCTELEM dc[16])
 #define MUL_20091(a) ((((a)*20091) >> 16) + (a))
 #define MUL_35468(a)  (((a)*35468) >> 16)
 
-static void vp8_idct_add_c(uint8_t *dst, DCTELEM block[16], int stride)
+static void vp8_idct_add_c(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride)
 {
     int i, t0, t1, t2, t3;
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
@@ -113,7 +113,7 @@ static void vp8_idct_add_c(uint8_t *dst, DCTELEM block[16], int stride)
     }
 }
 
-static void vp8_idct_dc_add_c(uint8_t *dst, DCTELEM block[16], int stride)
+static void vp8_idct_dc_add_c(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride)
 {
     int i, dc = (block[0] + 4) >> 3;
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc;
@@ -128,7 +128,7 @@ static void vp8_idct_dc_add_c(uint8_t *dst, DCTELEM block[16], int stride)
     }
 }
 
-static void vp8_idct_dc_add4uv_c(uint8_t *dst, DCTELEM block[4][16], int stride)
+static void vp8_idct_dc_add4uv_c(uint8_t *dst, DCTELEM block[4][16], ptrdiff_t stride)
 {
     vp8_idct_dc_add_c(dst+stride*0+0, block[0], stride);
     vp8_idct_dc_add_c(dst+stride*0+4, block[1], stride);
@@ -136,7 +136,7 @@ static void vp8_idct_dc_add4uv_c(uint8_t *dst, DCTELEM block[4][16], int stride)
     vp8_idct_dc_add_c(dst+stride*4+4, block[3], stride);
 }
 
-static void vp8_idct_dc_add4y_c(uint8_t *dst, DCTELEM block[4][16], int stride)
+static void vp8_idct_dc_add4y_c(uint8_t *dst, DCTELEM block[4][16], ptrdiff_t stride)
 {
     vp8_idct_dc_add_c(dst+ 0, block[0], stride);
     vp8_idct_dc_add_c(dst+ 4, block[1], stride);
@@ -157,7 +157,7 @@ static void vp8_idct_dc_add4y_c(uint8_t *dst, DCTELEM block[4][16], int stride)
 
 #define clip_int8(n) (cm[n+0x80]-0x80)
 
-static av_always_inline void filter_common(uint8_t *p, int stride, int is4tap)
+static av_always_inline void filter_common(uint8_t *p, ptrdiff_t stride, int is4tap)
 {
     LOAD_PIXELS
     int a, f1, f2;
@@ -188,7 +188,7 @@ static av_always_inline void filter_common(uint8_t *p, int stride, int is4tap)
     }
 }
 
-static av_always_inline int simple_limit(uint8_t *p, int stride, int flim)
+static av_always_inline int simple_limit(uint8_t *p, ptrdiff_t stride, int flim)
 {
     LOAD_PIXELS
     return 2*FFABS(p0-q0) + (FFABS(p1-q1) >> 1) <= flim;
@@ -198,7 +198,7 @@ static av_always_inline int simple_limit(uint8_t *p, int stride, int flim)
  * E - limit at the macroblock edge
  * I - limit for interior difference
  */
-static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)
+static av_always_inline int normal_limit(uint8_t *p, ptrdiff_t stride, int E, int I)
 {
     LOAD_PIXELS
     return simple_limit(p, stride, E)
@@ -207,13 +207,13 @@ static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)
 }
 
 // high edge variance
-static av_always_inline int hev(uint8_t *p, int stride, int thresh)
+static av_always_inline int hev(uint8_t *p, ptrdiff_t stride, int thresh)
 {
     LOAD_PIXELS
     return FFABS(p1-p0) > thresh || FFABS(q1-q0) > thresh;
 }
 
-static av_always_inline void filter_mbedge(uint8_t *p, int stride)
+static av_always_inline void filter_mbedge(uint8_t *p, ptrdiff_t stride)
 {
     int a0, a1, a2, w;
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
@@ -236,7 +236,7 @@ static av_always_inline void filter_mbedge(uint8_t *p, int stride)
 }
 
 #define LOOP_FILTER(dir, size, stridea, strideb, maybe_inline) \
-static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, int stride,\
+static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst, ptrdiff_t stride,\
                                      int flim_E, int flim_I, int hev_thresh)\
 {\
     int i;\
@@ -250,7 +250,7 @@ static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _c(uint8_t *dst,
         }\
 }\
 \
-static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, int stride,\
+static maybe_inline void vp8_ ## dir ## _loop_filter ## size ## _inner_c(uint8_t *dst, ptrdiff_t stride,\
                                       int flim_E, int flim_I, int hev_thresh)\
 {\
     int i;\
@@ -270,13 +270,13 @@ LOOP_FILTER(h, 16, stride, 1,)
 
 #define UV_LOOP_FILTER(dir, stridea, strideb) \
 LOOP_FILTER(dir, 8, stridea, strideb, av_always_inline) \
-static void vp8_ ## dir ## _loop_filter8uv_c(uint8_t *dstU, uint8_t *dstV, int stride,\
+static void vp8_ ## dir ## _loop_filter8uv_c(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,\
                                       int fE, int fI, int hev_thresh)\
 {\
   vp8_ ## dir ## _loop_filter8_c(dstU, stride, fE, fI, hev_thresh);\
   vp8_ ## dir ## _loop_filter8_c(dstV, stride, fE, fI, hev_thresh);\
 }\
-static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV, int stride,\
+static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,\
                                       int fE, int fI, int hev_thresh)\
 {\
   vp8_ ## dir ## _loop_filter8_inner_c(dstU, stride, fE, fI, hev_thresh);\
@@ -286,7 +286,7 @@ static void vp8_ ## dir ## _loop_filter8uv_inner_c(uint8_t *dstU, uint8_t *dstV,
 UV_LOOP_FILTER(v, 1, stride)
 UV_LOOP_FILTER(h, stride, 1)
 
-static void vp8_v_loop_filter_simple_c(uint8_t *dst, int stride, int flim)
+static void vp8_v_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, int flim)
 {
     int i;
 
@@ -295,7 +295,7 @@ static void vp8_v_loop_filter_simple_c(uint8_t *dst, int stride, int flim)
             filter_common(dst+i, stride, 1);
 }
 
-static void vp8_h_loop_filter_simple_c(uint8_t *dst, int stride, int flim)
+static void vp8_h_loop_filter_simple_c(uint8_t *dst, ptrdiff_t stride, int flim)
 {
     int i;
 
@@ -315,7 +315,7 @@ static const uint8_t subpel_filters[7][6] = {
 };
 
 #define PUT_PIXELS(WIDTH) \
-static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int x, int y) { \
+static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int x, int y) { \
     int i; \
     for (i = 0; i < h; i++, dst+= dststride, src+= srcstride) { \
         memcpy(dst, src, WIDTH); \
@@ -335,7 +335,7 @@ PUT_PIXELS(4)
         F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + 64) >> 7]
 
 #define VP8_EPEL_H(SIZE, TAPS) \
-static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
+static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \
 { \
     const uint8_t *filter = subpel_filters[mx-1]; \
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
@@ -349,7 +349,7 @@ static void put_vp8_epel ## SIZE ## _h ## TAPS ## _c(uint8_t *dst, int dststride
     } \
 }
 #define VP8_EPEL_V(SIZE, TAPS) \
-static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
+static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \
 { \
     const uint8_t *filter = subpel_filters[my-1]; \
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
@@ -363,7 +363,7 @@ static void put_vp8_epel ## SIZE ## _v ## TAPS ## _c(uint8_t *dst, int dststride
     } \
 }
 #define VP8_EPEL_HV(SIZE, HTAPS, VTAPS) \
-static void put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
+static void put_vp8_epel ## SIZE ## _h ## HTAPS ## v ## VTAPS ## _c(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride, int h, int mx, int my) \
 { \
     const uint8_t *filter = subpel_filters[mx-1]; \
     uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; \
@@ -416,7 +416,7 @@ VP8_EPEL_HV(8,  6, 6)
 VP8_EPEL_HV(4,  6, 6)
 
 #define VP8_BILINEAR(SIZE) \
-static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
+static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \
 { \
     int a = 8-mx, b = mx; \
     int x, y; \
@@ -428,7 +428,7 @@ static void put_vp8_bilinear ## SIZE ## _h_c(uint8_t *dst, int stride, uint8_t *
         src += stride; \
     } \
 } \
-static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
+static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \
 { \
     int c = 8-my, d = my; \
     int x, y; \
@@ -441,7 +441,7 @@ static void put_vp8_bilinear ## SIZE ## _v_c(uint8_t *dst, int stride, uint8_t *
     } \
 } \
 \
-static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, int stride, uint8_t *src, int s2, int h, int mx, int my) \
+static void put_vp8_bilinear ## SIZE ## _hv_c(uint8_t *dst, ptrdiff_t stride, uint8_t *src, ptrdiff_t s2, int h, int mx, int my) \
 { \
     int a = 8-mx, b = mx; \
     int c = 8-my, d = my; \
diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h
index 81e19f4..62cc010 100644
--- a/libavcodec/vp8dsp.h
+++ b/libavcodec/vp8dsp.h
@@ -29,40 +29,44 @@
 
 #include "dsputil.h"
 
-typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, int dstStride,
-                            uint8_t *src/*align 1*/, int srcStride,
+typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, ptrdiff_t dstStride,
+                            uint8_t *src/*align 1*/, ptrdiff_t srcStride,
                             int h, int x, int y);
 
 typedef struct VP8DSPContext {
     void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]);
     void (*vp8_luma_dc_wht_dc)(DCTELEM block[4][4][16], DCTELEM dc[16]);
-    void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride);
-    void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], int stride);
-    void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16], int stride);
-    void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16], int stride);
+    void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
+    void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
+    void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16],
+                              ptrdiff_t stride);
+    void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16],
+                               ptrdiff_t stride);
 
     // loop filter applied to edges between macroblocks
-    void (*vp8_v_loop_filter16y)(uint8_t *dst, int stride,
+    void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_h_loop_filter16y)(uint8_t *dst, int stride,
+    void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride,
+    void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride,
+    void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
                                  int flim_E, int flim_I, int hev_thresh);
 
     // loop filter applied to inner macroblock edges
-    void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, int stride,
+    void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, int stride,
+    void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride,
+    void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
+                                       ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
-    void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride,
+    void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
+                                       ptrdiff_t stride,
                                        int flim_E, int flim_I, int hev_thresh);
 
-    void (*vp8_v_loop_filter_simple)(uint8_t *dst, int stride, int flim);
-    void (*vp8_h_loop_filter_simple)(uint8_t *dst, int stride, int flim);
+    void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
+    void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
 
     /**
      * first dimension: width>>3, height is assumed equal to width
@@ -76,9 +80,12 @@ typedef struct VP8DSPContext {
     vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
 } VP8DSPContext;
 
-void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
-void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
-void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);
+void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                           int h, int x, int y);
+void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                          int h, int x, int y);
+void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                          int h, int x, int y);
 
 void ff_vp8dsp_init(VP8DSPContext *c);
 void ff_vp8dsp_init_x86(VP8DSPContext *c);
diff --git a/libavcodec/x86/vp8dsp-init.c b/libavcodec/x86/vp8dsp-init.c
index f5e89fa..f6589da 100644
--- a/libavcodec/x86/vp8dsp-init.c
+++ b/libavcodec/x86/vp8dsp-init.c
@@ -29,98 +29,98 @@
 /*
  * MC functions
  */
-extern void ff_put_vp8_epel4_h4_mmxext(uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_h4_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_h6_mmxext(uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_h6_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_v4_mmxext(uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_v4_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_v6_mmxext(uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_v6_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
 
-extern void ff_put_vp8_epel8_h4_sse2  (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_h4_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_h6_sse2  (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_h6_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_v4_sse2  (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_v4_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_v6_sse2  (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_v6_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
 
-extern void ff_put_vp8_epel4_h4_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_h6_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_v4_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel4_v6_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel4_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_h4_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_h6_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_v4_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
-extern void ff_put_vp8_epel8_v6_ssse3 (uint8_t *dst, int dststride,
-                                       uint8_t *src, int srcstride,
+extern void ff_put_vp8_epel8_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                       uint8_t *src, ptrdiff_t srcstride,
                                        int height, int mx, int my);
 
-extern void ff_put_vp8_bilinear4_h_mmxext(uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear4_h_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_h_sse2  (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear8_h_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear4_h_ssse3 (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear4_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_h_ssse3 (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear8_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
 
-extern void ff_put_vp8_bilinear4_v_mmxext(uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear4_v_mmxext(uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_v_sse2  (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear8_v_sse2  (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear4_v_ssse3 (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear4_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
-extern void ff_put_vp8_bilinear8_v_ssse3 (uint8_t *dst, int dststride,
-                                          uint8_t *src, int srcstride,
+extern void ff_put_vp8_bilinear8_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
+                                          uint8_t *src, ptrdiff_t srcstride,
                                           int height, int mx, int my);
 
 
-extern void ff_put_vp8_pixels8_mmx (uint8_t *dst, int dststride,
-                                    uint8_t *src, int srcstride,
+extern void ff_put_vp8_pixels8_mmx (uint8_t *dst, ptrdiff_t dststride,
+                                    uint8_t *src, ptrdiff_t srcstride,
                                     int height, int mx, int my);
-extern void ff_put_vp8_pixels16_mmx(uint8_t *dst, int dststride,
-                                    uint8_t *src, int srcstride,
+extern void ff_put_vp8_pixels16_mmx(uint8_t *dst, ptrdiff_t dststride,
+                                    uint8_t *src, ptrdiff_t srcstride,
                                     int height, int mx, int my);
-extern void ff_put_vp8_pixels16_sse(uint8_t *dst, int dststride,
-                                    uint8_t *src, int srcstride,
+extern void ff_put_vp8_pixels16_sse(uint8_t *dst, ptrdiff_t dststride,
+                                    uint8_t *src, ptrdiff_t srcstride,
                                     int height, int mx, int my);
 
 #define TAP_W16(OPT, FILTERTYPE, TAPTYPE) \
 static void ff_put_vp8_ ## FILTERTYPE ## 16_ ## TAPTYPE ## _ ## OPT( \
-    uint8_t *dst,  int dststride, uint8_t *src, \
-    int srcstride, int height, int mx, int my) \
+    uint8_t *dst,  ptrdiff_t dststride, uint8_t *src, \
+    ptrdiff_t srcstride, int height, int mx, int my) \
 { \
     ff_put_vp8_ ## FILTERTYPE ## 8_ ## TAPTYPE ## _ ## OPT( \
         dst,     dststride, src,     srcstride, height, mx, my); \
@@ -129,8 +129,8 @@ static void ff_put_vp8_ ## FILTERTYPE ## 16_ ## TAPTYPE ## _ ## OPT( \
 }
 #define TAP_W8(OPT, FILTERTYPE, TAPTYPE) \
 static void ff_put_vp8_ ## FILTERTYPE ## 8_ ## TAPTYPE ## _ ## OPT( \
-    uint8_t *dst,  int dststride, uint8_t *src, \
-    int srcstride, int height, int mx, int my) \
+    uint8_t *dst,  ptrdiff_t dststride, uint8_t *src, \
+    ptrdiff_t srcstride, int height, int mx, int my) \
 { \
     ff_put_vp8_ ## FILTERTYPE ## 4_ ## TAPTYPE ## _ ## OPT( \
         dst,     dststride, src,     srcstride, height, mx, my); \
@@ -161,8 +161,8 @@ TAP_W16(ssse3,  bilinear, v)
 
 #define HVTAP(OPT, ALIGN, TAPNUMX, TAPNUMY, SIZE, MAXHEIGHT) \
 static void ff_put_vp8_epel ## SIZE ## _h ## TAPNUMX ## v ## TAPNUMY ## _ ## OPT( \
-    uint8_t *dst, int dststride, uint8_t *src, \
-    int srcstride, int height, int mx, int my) \
+    uint8_t *dst, ptrdiff_t dststride, uint8_t *src, \
+    ptrdiff_t srcstride, int height, int mx, int my) \
 { \
     DECLARE_ALIGNED(ALIGN, uint8_t, tmp)[SIZE * (MAXHEIGHT + TAPNUMY - 1)]; \
     uint8_t *tmpptr = tmp + SIZE * (TAPNUMY / 2 - 1); \
@@ -200,8 +200,8 @@ HVTAP(ssse3, 16, 6, 6, 4, 8)
 
 #define HVBILIN(OPT, ALIGN, SIZE, MAXHEIGHT) \
 static void ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT( \
-    uint8_t *dst, int dststride, uint8_t *src, \
-    int srcstride, int height, int mx, int my) \
+    uint8_t *dst, ptrdiff_t dststride, uint8_t *src, \
+    ptrdiff_t srcstride, int height, int mx, int my) \
 { \
     DECLARE_ALIGNED(ALIGN, uint8_t, tmp)[SIZE * (MAXHEIGHT + 2)]; \
     ff_put_vp8_bilinear ## SIZE ## _h_ ## OPT( \
@@ -219,35 +219,58 @@ HVBILIN(ssse3,  8,  4,  8)
 HVBILIN(ssse3,  8,  8, 16)
 HVBILIN(ssse3,  8, 16, 16)
 
-extern void ff_vp8_idct_dc_add_mmx(uint8_t *dst, DCTELEM block[16], int stride);
-extern void ff_vp8_idct_dc_add_sse4(uint8_t *dst, DCTELEM block[16], int stride);
-extern void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, DCTELEM block[4][16], int stride);
-extern void ff_vp8_idct_dc_add4y_sse2(uint8_t *dst, DCTELEM block[4][16], int stride);
-extern void ff_vp8_idct_dc_add4uv_mmx(uint8_t *dst, DCTELEM block[2][16], int stride);
+extern void ff_vp8_idct_dc_add_mmx(uint8_t *dst, DCTELEM block[16],
+                                   ptrdiff_t stride);
+extern void ff_vp8_idct_dc_add_sse4(uint8_t *dst, DCTELEM block[16],
+                                    ptrdiff_t stride);
+extern void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, DCTELEM block[4][16],
+                                      ptrdiff_t stride);
+extern void ff_vp8_idct_dc_add4y_sse2(uint8_t *dst, DCTELEM block[4][16],
+                                      ptrdiff_t stride);
+extern void ff_vp8_idct_dc_add4uv_mmx(uint8_t *dst, DCTELEM block[2][16],
+                                      ptrdiff_t stride);
 extern void ff_vp8_luma_dc_wht_mmx(DCTELEM block[4][4][16], DCTELEM dc[16]);
 extern void ff_vp8_luma_dc_wht_sse(DCTELEM block[4][4][16], DCTELEM dc[16]);
-extern void ff_vp8_idct_add_mmx(uint8_t *dst, DCTELEM block[16], int stride);
-extern void ff_vp8_idct_add_sse(uint8_t *dst, DCTELEM block[16], int stride);
+extern void ff_vp8_idct_add_mmx(uint8_t *dst, DCTELEM block[16],
+                                ptrdiff_t stride);
+extern void ff_vp8_idct_add_sse(uint8_t *dst, DCTELEM block[16],
+                                ptrdiff_t stride);
 
 #define DECLARE_LOOP_FILTER(NAME)\
-extern void ff_vp8_v_loop_filter_simple_ ## NAME(uint8_t *dst, int stride, int flim);\
-extern void ff_vp8_h_loop_filter_simple_ ## NAME(uint8_t *dst, int stride, int flim);\
-extern void ff_vp8_v_loop_filter16y_inner_ ## NAME (uint8_t *dst, int stride,\
+extern void ff_vp8_v_loop_filter_simple_ ## NAME(uint8_t *dst, \
+                                                 ptrdiff_t stride, \
+                                                 int flim);\
+extern void ff_vp8_h_loop_filter_simple_ ## NAME(uint8_t *dst, \
+                                                 ptrdiff_t stride, \
+                                                 int flim);\
+extern void ff_vp8_v_loop_filter16y_inner_ ## NAME (uint8_t *dst, \
+                                                     ptrdiff_t stride,\
                                                     int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter16y_inner_ ## NAME (uint8_t *dst, int stride,\
+extern void ff_vp8_h_loop_filter16y_inner_ ## NAME (uint8_t *dst, \
+                                                    ptrdiff_t stride,\
                                                     int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, uint8_t *dstV,\
-                                                    int s, int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, uint8_t *dstV,\
-                                                    int s, int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, int stride,\
+extern void ff_vp8_v_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, \
+                                                    uint8_t *dstV,\
+                                                    ptrdiff_t s, \
                                                     int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, int stride,\
+extern void ff_vp8_h_loop_filter8uv_inner_ ## NAME (uint8_t *dstU, \
+                                                    uint8_t *dstV,\
+                                                    ptrdiff_t s, \
                                                     int e, int i, int hvt);\
-extern void ff_vp8_v_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, uint8_t *dstV,\
-                                                    int s, int e, int i, int hvt);\
-extern void ff_vp8_h_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, uint8_t *dstV,\
-                                                    int s, int e, int i, int hvt);
+extern void ff_vp8_v_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, \
+                                                    ptrdiff_t stride,\
+                                                    int e, int i, int hvt);\
+extern void ff_vp8_h_loop_filter16y_mbedge_ ## NAME(uint8_t *dst, \
+                                                    ptrdiff_t stride,\
+                                                    int e, int i, int hvt);\
+extern void ff_vp8_v_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, \
+                                                    uint8_t *dstV,\
+                                                    ptrdiff_t s, \
+                                                    int e, int i, int hvt);\
+extern void ff_vp8_h_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU, \
+                                                    uint8_t *dstV,\
+                                                    ptrdiff_t s, \
+                                                    int e, int i, int hvt);
 
 DECLARE_LOOP_FILTER(mmx)
 DECLARE_LOOP_FILTER(mmxext)



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