h264chroma: Change type of stride parameters to ptrdiff_t

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

17 files changed, 110 insertions, 110 deletions

diff --git a/libavcodec/aarch64/h264chroma_init_aarch64.c b/libavcodec/aarch64/h264chroma_init_aarch64.c
index c7679ab4cc..a373291344 100644
--- a/libavcodec/aarch64/h264chroma_init_aarch64.c
+++ b/libavcodec/aarch64/h264chroma_init_aarch64.c
@@ -28,18 +28,18 @@
 
 #include "config.h"
 
-void ff_put_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_put_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
-void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
-void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
 
-void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
-void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
-void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int stride,
+void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                                  int h, int x, int y);
 
 av_cold void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth)
diff --git a/libavcodec/aarch64/h264cmc_neon.S b/libavcodec/aarch64/h264cmc_neon.S
index d1025c7a25..edc256cbc3 100644
--- a/libavcodec/aarch64/h264cmc_neon.S
+++ b/libavcodec/aarch64/h264cmc_neon.S
@@ -21,10 +21,9 @@
 
 #include "libavutil/aarch64/asm.S"
 
-/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+/* chroma_mc8(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
 .macro  h264_chroma_mc8 type, codec=h264
 function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
-        sxtw            x2,  w2
   .ifc \type,avg
         mov             x8,  x0
   .endif
@@ -192,10 +191,9 @@ function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
 endfunc
 .endm
 
-/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+/* chroma_mc4(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
 .macro  h264_chroma_mc4 type, codec=h264
 function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
-        sxtw            x2,  w2
   .ifc \type,avg
         mov             x8,  x0
   .endif
@@ -359,7 +357,6 @@ endfunc
 
 .macro  h264_chroma_mc2 type
 function ff_\type\()_h264_chroma_mc2_neon, export=1
-        sxtw            x2,  w2
         prfm            pldl1strm, [x1]
         prfm            pldl1strm, [x1, x2]
         orr             w7,  w4,  w5
diff --git a/libavcodec/aarch64/rv40dsp_init_aarch64.c b/libavcodec/aarch64/rv40dsp_init_aarch64.c
index 0bb404f6d2..f7fcd5b493 100644
--- a/libavcodec/aarch64/rv40dsp_init_aarch64.c
+++ b/libavcodec/aarch64/rv40dsp_init_aarch64.c
@@ -25,15 +25,15 @@
 
 #include "config.h"
 
-void ff_put_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                 int x, int y);
-void ff_put_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                 int x, int y);
+void ff_put_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_put_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
 
-void ff_avg_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                 int x, int y);
-void ff_avg_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                 int x, int y);
+void ff_avg_rv40_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_avg_rv40_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
 
 av_cold void ff_rv40dsp_init_aarch64(RV34DSPContext *c)
 {
diff --git a/libavcodec/aarch64/vc1dsp_init_aarch64.c b/libavcodec/aarch64/vc1dsp_init_aarch64.c
index 11cd81eb5c..ab97a97740 100644
--- a/libavcodec/aarch64/vc1dsp_init_aarch64.c
+++ b/libavcodec/aarch64/vc1dsp_init_aarch64.c
@@ -25,14 +25,14 @@
 
 #include "config.h"
 
-void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
+void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
 
 av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp)
 {
diff --git a/libavcodec/arm/h264chroma_init_arm.c b/libavcodec/arm/h264chroma_init_arm.c
index 6f365533cf..0e84362e92 100644
--- a/libavcodec/arm/h264chroma_init_arm.c
+++ b/libavcodec/arm/h264chroma_init_arm.c
@@ -26,13 +26,19 @@
 #include "libavutil/arm/cpu.h"
 #include "libavcodec/h264chroma.h"
 
-void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
-void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
-void ff_put_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
+void ff_put_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
 
-void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
-void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
-void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
+void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
+void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                 int h, int x, int y);
 
 av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth)
 {
diff --git a/libavcodec/arm/h264cmc_neon.S b/libavcodec/arm/h264cmc_neon.S
index ee7011b00b..779dc0bba6 100644
--- a/libavcodec/arm/h264cmc_neon.S
+++ b/libavcodec/arm/h264cmc_neon.S
@@ -20,7 +20,7 @@
 
 #include "libavutil/arm/asm.S"
 
-/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+/* chroma_mc8(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
 .macro  h264_chroma_mc8 type, codec=h264
 function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
         push            {r4-r7, lr}
@@ -195,7 +195,7 @@ T       cmp             r7,  #0
 endfunc
 .endm
 
-/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
+/* chroma_mc4(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
 .macro  h264_chroma_mc4 type, codec=h264
 function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
         push            {r4-r7, lr}
diff --git a/libavcodec/arm/vc1dsp_init_neon.c b/libavcodec/arm/vc1dsp_init_neon.c
index 55d3a65350..08c07c4443 100644
--- a/libavcodec/arm/vc1dsp_init_neon.c
+++ b/libavcodec/arm/vc1dsp_init_neon.c
@@ -72,14 +72,14 @@ void ff_put_vc1_mspel_mc32_neon(uint8_t *dst, const uint8_t *src,
 void ff_put_vc1_mspel_mc33_neon(uint8_t *dst, const uint8_t *src,
                                 ptrdiff_t stride, int rnd);
 
-void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
-void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, int h,
-                                int x, int y);
+void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
+void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
+                                int h, int x, int y);
 
 av_cold void ff_vc1dsp_init_neon(VC1DSPContext *dsp)
 {
diff --git a/libavcodec/h264chroma.h b/libavcodec/h264chroma.h
index 93064fe06b..9fc2a0f2e8 100644
--- a/libavcodec/h264chroma.h
+++ b/libavcodec/h264chroma.h
@@ -19,9 +19,10 @@
 #ifndef AVCODEC_H264CHROMA_H
 #define AVCODEC_H264CHROMA_H
 
+#include <stddef.h>
 #include <stdint.h>
 
-typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
+typedef void (*h264_chroma_mc_func)(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/, ptrdiff_t srcStride, int h, int x, int y);
 
 typedef struct H264ChromaContext {
     h264_chroma_mc_func put_h264_chroma_pixels_tab[3];
diff --git a/libavcodec/h264chroma_template.c b/libavcodec/h264chroma_template.c
index 028ed132cf..ed364ddbdd 100644
--- a/libavcodec/h264chroma_template.c
+++ b/libavcodec/h264chroma_template.c
@@ -20,11 +20,13 @@
  */
 
 #include <assert.h>
+#include <stddef.h>
 
 #include "bit_depth_template.c"
 
 #define H264_CHROMA_MC(OPNAME, OP)\
-static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
+static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\
+{\
     pixel *dst = (pixel*)_dst;\
     pixel *src = (pixel*)_src;\
     const int A=(8-x)*(8-y);\
@@ -45,7 +47,7 @@ static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *
         }\
     } else if (B + C) {\
         const int E= B+C;\
-        const int step= C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i=0; i<h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0]));\
             OP(dst[1], (A*src[1] + E*src[step+1]));\
@@ -62,7 +64,8 @@ static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *
     }\
 }\
 \
-static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
+static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\
+{\
     pixel *dst = (pixel*)_dst;\
     pixel *src = (pixel*)_src;\
     const int A=(8-x)*(8-y);\
@@ -85,7 +88,7 @@ static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *
         }\
     } else if (B + C) {\
         const int E= B+C;\
-        const int step= C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i=0; i<h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0]));\
             OP(dst[1], (A*src[1] + E*src[step+1]));\
@@ -106,7 +109,8 @@ static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *
     }\
 }\
 \
-static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\
+static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\
+{\
     pixel *dst = (pixel*)_dst;\
     pixel *src = (pixel*)_src;\
     const int A=(8-x)*(8-y);\
@@ -133,7 +137,7 @@ static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst/*align 8*/, uint8_t *
         }\
     } else if (B + C) {\
         const int E= B+C;\
-        const int step= C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i=0; i<h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0]));\
             OP(dst[1], (A*src[1] + E*src[step+1]));\
diff --git a/libavcodec/ppc/h264chroma_template.c b/libavcodec/ppc/h264chroma_template.c
index 293fef5c90..daa7652128 100644
--- a/libavcodec/ppc/h264chroma_template.c
+++ b/libavcodec/ppc/h264chroma_template.c
@@ -72,7 +72,9 @@
 
 #ifdef PREFIX_h264_chroma_mc8_altivec
 static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
-                                    int stride, int h, int x, int y) {
+                                           ptrdiff_t stride, int h,
+                                           int x, int y)
+{
     DECLARE_ALIGNED(16, signed int, ABCD)[4] =
                         {((8 - x) * (8 - y)),
                          ((    x) * (8 - y)),
@@ -201,7 +203,10 @@ static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
 
 /* this code assume that stride % 16 == 0 */
 #ifdef PREFIX_no_rnd_vc1_chroma_mc8_altivec
-static void PREFIX_no_rnd_vc1_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) {
+static void PREFIX_no_rnd_vc1_chroma_mc8_altivec(uint8_t *dst, uint8_t *src,
+                                                 ptrdiff_t stride, int h,
+                                                 int x, int y)
+{
    DECLARE_ALIGNED(16, signed int, ABCD)[4] =
                         {((8 - x) * (8 - y)),
                          ((    x) * (8 - y)),
diff --git a/libavcodec/rv40dsp.c b/libavcodec/rv40dsp.c
index da3efb4442..4ca5cc7b52 100644
--- a/libavcodec/rv40dsp.c
+++ b/libavcodec/rv40dsp.c
@@ -291,7 +291,10 @@ static const int rv40_bias[4][4] = {
 };
 
 #define RV40_CHROMA_MC(OPNAME, OP)\
-static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst /*align 8*/,\
+                                        uint8_t *src /*align 1*/,\
+                                        ptrdiff_t stride, int h, int x, int y)\
+{\
     const int A = (8-x) * (8-y);\
     const int B = (  x) * (8-y);\
     const int C = (8-x) * (  y);\
@@ -312,7 +315,7 @@ static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
         }\
     }else{\
         const int E = B + C;\
-        const int step = C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i = 0; i < h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
             OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
@@ -324,7 +327,10 @@ static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
     }\
 }\
 \
-static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){\
+static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/,\
+                                        uint8_t *src/*align 1*/,\
+                                        ptrdiff_t stride, int h, int x, int y)\
+{\
     const int A = (8-x) * (8-y);\
     const int B = (  x) * (8-y);\
     const int C = (8-x) * (  y);\
@@ -349,7 +355,7 @@ static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
         }\
     }else{\
         const int E = B + C;\
-        const int step = C ? stride : 1;\
+        const ptrdiff_t step = C ? stride : 1;\
         for(i = 0; i < h; i++){\
             OP(dst[0], (A*src[0] + E*src[step+0] + bias));\
             OP(dst[1], (A*src[1] + E*src[step+1] + bias));\
diff --git a/libavcodec/vc1dsp.c b/libavcodec/vc1dsp.c
index e630a48e9d..571309b40d 100644
--- a/libavcodec/vc1dsp.c
+++ b/libavcodec/vc1dsp.c
@@ -700,7 +700,7 @@ static void avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src,
       C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)
 static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
                                         uint8_t *src /* align 1 */,
-                                        int stride, int h, int x, int y)
+                                        ptrdiff_t stride, int h, int x, int y)
 {
     const int A = (8 - x) * (8 - y);
     const int B =     (x) * (8 - y);
@@ -725,7 +725,7 @@ static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
 }
 
 static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src,
-                                        int stride, int h, int x, int y)
+                                        ptrdiff_t stride, int h, int x, int y)
 {
     const int A = (8 - x) * (8 - y);
     const int B =     (x) * (8 - y);
@@ -748,7 +748,7 @@ static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src,
 #define avg2(a, b) (((a) + (b) + 1) >> 1)
 static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
                                         uint8_t *src /* align 1 */,
-                                        int stride, int h, int x, int y)
+                                        ptrdiff_t stride, int h, int x, int y)
 {
     const int A = (8 - x) * (8 - y);
     const int B =     (x) * (8 - y);
@@ -774,7 +774,7 @@ static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst /* align 8 */,
 
 static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst /* align 8 */,
                                         uint8_t *src /* align 1 */,
-                                        int stride, int h, int x, int y)
+                                        ptrdiff_t stride, int h, int x, int y)
 {
     const int A = (8 - x) * (8 - y);
     const int B = (    x) * (8 - y);
diff --git a/libavcodec/x86/h264_chromamc.asm b/libavcodec/x86/h264_chromamc.asm
index 1447940857..a9cac59f0f 100644
--- a/libavcodec/x86/h264_chromamc.asm
+++ b/libavcodec/x86/h264_chromamc.asm
@@ -105,11 +105,8 @@ SECTION .text
 %endif ; rv40
 ; void ff_put/avg_h264_chroma_mc8_*(uint8_t *dst /* align 8 */,
 ;                                   uint8_t *src /* align 1 */,
-;                                   int stride, int h, int mx, int my)
+;                                   ptrdiff_t stride, int h, int mx, int my)
 cglobal %1_%2_chroma_mc8%3, 6, 7 + extra_regs, 0
-%if ARCH_X86_64
-    movsxd        r2, r2d
-%endif
     mov          r6d, r5d
     or           r6d, r4d
     jne .at_least_one_non_zero
@@ -291,9 +288,6 @@ cglobal %1_%2_chroma_mc8%3, 6, 7 + extra_regs, 0
 %endif ; PIC
 %endif ; rv40
 cglobal %1_%2_chroma_mc4, 6, 6 + extra_regs, 0
-%if ARCH_X86_64
-    movsxd        r2, r2d
-%endif
     pxor          m7, m7
     movd          m2, r4d         ; x
     movd          m3, r5d         ; y
@@ -376,10 +370,6 @@ cglobal %1_%2_chroma_mc4, 6, 6 + extra_regs, 0
 
 %macro chroma_mc2_mmx_func 2
 cglobal %1_%2_chroma_mc2, 6, 7, 0
-%if ARCH_X86_64
-    movsxd        r2, r2d
-%endif
-
     mov          r6d, r4d
     shl          r4d, 16
     sub          r4d, r6d
@@ -465,9 +455,6 @@ chroma_mc4_mmx_func avg, rv40
 
 %macro chroma_mc8_ssse3_func 2-3
 cglobal %1_%2_chroma_mc8%3, 6, 7, 8
-%if ARCH_X86_64
-    movsxd        r2, r2d
-%endif
     mov          r6d, r5d
     or           r6d, r4d
     jne .at_least_one_non_zero
@@ -613,9 +600,6 @@ cglobal %1_%2_chroma_mc8%3, 6, 7, 8
 
 %macro chroma_mc4_ssse3_func 2
 cglobal %1_%2_chroma_mc4, 6, 7, 0
-%if ARCH_X86_64
-    movsxd        r2, r2d
-%endif
     mov           r6, r4
     shl          r4d, 8
     sub          r4d, r6d
diff --git a/libavcodec/x86/h264_chromamc_10bit.asm b/libavcodec/x86/h264_chromamc_10bit.asm
index 7b003515cc..ff53b91c42 100644
--- a/libavcodec/x86/h264_chromamc_10bit.asm
+++ b/libavcodec/x86/h264_chromamc_10bit.asm
@@ -57,12 +57,11 @@ SECTION .text
 %endmacro
 
 ;-----------------------------------------------------------------------------
-; void ff_put/avg_h264_chroma_mc8(pixel *dst, pixel *src, int stride, int h,
-;                                 int mx, int my)
+; void ff_put/avg_h264_chroma_mc8(pixel *dst, pixel *src, ptrdiff_t stride,
+;                                 int h, int mx, int my)
 ;-----------------------------------------------------------------------------
 %macro CHROMA_MC8 1
 cglobal %1_h264_chroma_mc8_10, 6,7,8
-    movsxdifnidn  r2, r2d
     mov          r6d, r5d
     or           r6d, r4d
     jne .at_least_one_non_zero
@@ -149,8 +148,8 @@ cglobal %1_h264_chroma_mc8_10, 6,7,8
 %endmacro
 
 ;-----------------------------------------------------------------------------
-; void ff_put/avg_h264_chroma_mc4(pixel *dst, pixel *src, int stride, int h,
-;                                 int mx, int my)
+; void ff_put/avg_h264_chroma_mc4(pixel *dst, pixel *src, ptrdiff_t stride,
+;                                 int h, int mx, int my)
 ;-----------------------------------------------------------------------------
 ;TODO: xmm mc4
 %macro MC4_OP 2
@@ -174,7 +173,6 @@ cglobal %1_h264_chroma_mc8_10, 6,7,8
 
 %macro CHROMA_MC4 1
 cglobal %1_h264_chroma_mc4_10, 6,6,7
-    movsxdifnidn  r2, r2d
     movd          m2, r4m         ; x
     movd          m3, r5m         ; y
     mova          m4, [pw_8]
@@ -200,12 +198,11 @@ cglobal %1_h264_chroma_mc4_10, 6,6,7
 %endmacro
 
 ;-----------------------------------------------------------------------------
-; void ff_put/avg_h264_chroma_mc2(pixel *dst, pixel *src, int stride, int h,
-;                                 int mx, int my)
+; void ff_put/avg_h264_chroma_mc2(pixel *dst, pixel *src, ptrdiff_t stride,
+;                                 int h, int mx, int my)
 ;-----------------------------------------------------------------------------
 %macro CHROMA_MC2 1
 cglobal %1_h264_chroma_mc2_10, 6,7
-    movsxdifnidn  r2, r2d
     mov          r6d, r4d
     shl          r4d, 16
     sub          r4d, r6d
diff --git a/libavcodec/x86/h264chroma_init.c b/libavcodec/x86/h264chroma_init.c
index 8ec8a79aba..0d5ff3d159 100644
--- a/libavcodec/x86/h264chroma_init.c
+++ b/libavcodec/x86/h264chroma_init.c
@@ -25,38 +25,38 @@
 #include "libavcodec/h264chroma.h"
 
 void ff_put_h264_chroma_mc8_rnd_mmx  (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 
 void ff_put_h264_chroma_mc4_mmx      (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc4_mmxext   (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc4_3dnow    (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 
 void ff_put_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 
 void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_put_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 
 void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 void ff_avg_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
-                                      int stride, int h, int x, int y);
+                                      ptrdiff_t stride, int h, int x, int y);
 
 #define CHROMA_MC(OP, NUM, DEPTH, OPT)                                  \
 void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT      \
                                       (uint8_t *dst, uint8_t *src,      \
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 
 CHROMA_MC(put, 2, 10, mmxext)
 CHROMA_MC(avg, 2, 10, mmxext)
diff --git a/libavcodec/x86/rv40dsp_init.c b/libavcodec/x86/rv40dsp_init.c
index e006c76584..7bf3ecd1f3 100644
--- a/libavcodec/x86/rv40dsp_init.c
+++ b/libavcodec/x86/rv40dsp_init.c
@@ -34,18 +34,18 @@
 
 #if HAVE_YASM
 void ff_put_rv40_chroma_mc8_mmx  (uint8_t *dst, uint8_t *src,
-                                  int stride, int h, int x, int y);
+                                  ptrdiff_t stride, int h, int x, int y);
 void ff_avg_rv40_chroma_mc8_mmxext(uint8_t *dst, uint8_t *src,
-                                   int stride, int h, int x, int y);
+                                   ptrdiff_t stride, int h, int x, int y);
 void ff_avg_rv40_chroma_mc8_3dnow(uint8_t *dst, uint8_t *src,
-                                  int stride, int h, int x, int y);
+                                  ptrdiff_t stride, int h, int x, int y);
 
 void ff_put_rv40_chroma_mc4_mmx  (uint8_t *dst, uint8_t *src,
-                                  int stride, int h, int x, int y);
+                                  ptrdiff_t stride, int h, int x, int y);
 void ff_avg_rv40_chroma_mc4_mmxext(uint8_t *dst, uint8_t *src,
-                                   int stride, int h, int x, int y);
+                                   ptrdiff_t stride, int h, int x, int y);
 void ff_avg_rv40_chroma_mc4_3dnow(uint8_t *dst, uint8_t *src,
-                                  int stride, int h, int x, int y);
+                                  ptrdiff_t stride, int h, int x, int y);
 
 #define DECLARE_WEIGHT(opt) \
 void ff_rv40_weight_func_rnd_16_##opt(uint8_t *dst, uint8_t *src1, uint8_t *src2, \
diff --git a/libavcodec/x86/vc1dsp_init.c b/libavcodec/x86/vc1dsp_init.c
index aff4b264e3..8982ff908a 100644
--- a/libavcodec/x86/vc1dsp_init.c
+++ b/libavcodec/x86/vc1dsp_init.c
@@ -71,15 +71,15 @@ static void avg_vc1_mspel_mc00_mmxext(uint8_t *dst, const uint8_t *src,
 #endif /* HAVE_YASM */
 
 void ff_put_vc1_chroma_mc8_nornd_mmx  (uint8_t *dst, uint8_t *src,
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 void ff_avg_vc1_chroma_mc8_nornd_mmxext(uint8_t *dst, uint8_t *src,
-                                        int stride, int h, int x, int y);
+                                        ptrdiff_t stride, int h, int x, int y);
 void ff_avg_vc1_chroma_mc8_nornd_3dnow(uint8_t *dst, uint8_t *src,
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 void ff_put_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, uint8_t *src,
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 void ff_avg_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, uint8_t *src,
-                                       int stride, int h, int x, int y);
+                                       ptrdiff_t stride, int h, int x, int y);
 
 
 av_cold void ff_vc1dsp_init_x86(VC1DSPContext *dsp)