idct: Change type of array stride parameters to ptrdiff_t

ptrdiff_t is the correct type for array strides and similar.

8 files changed, 33 insertions, 27 deletions

diff --git a/libavcodec/arm/idct.h b/libavcodec/arm/idct.h
index 168d64b666..db4d6c5d98 100644
--- a/libavcodec/arm/idct.h
+++ b/libavcodec/arm/idct.h
@@ -19,6 +19,7 @@
 #ifndef AVCODEC_ARM_IDCT_H
 #define AVCODEC_ARM_IDCT_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 void ff_j_rev_dct_arm(int16_t *data);
@@ -26,15 +27,15 @@ void ff_j_rev_dct_arm(int16_t *data);
 void ff_simple_idct_arm(int16_t *data);
 
 void ff_simple_idct_armv5te(int16_t *data);
-void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, int16_t *data);
-void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, int16_t *data);
+void ff_simple_idct_put_armv5te(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
+void ff_simple_idct_add_armv5te(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
 
 void ff_simple_idct_armv6(int16_t *data);
-void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, int16_t *data);
-void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, int16_t *data);
+void ff_simple_idct_put_armv6(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
+void ff_simple_idct_add_armv6(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
 
 void ff_simple_idct_neon(int16_t *data);
-void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
-void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
+void ff_simple_idct_put_neon(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
+void ff_simple_idct_add_neon(uint8_t *dest, ptrdiff_t line_size, int16_t *data);
 
 #endif /* AVCODEC_ARM_IDCT_H */
diff --git a/libavcodec/arm/idctdsp_arm.S b/libavcodec/arm/idctdsp_arm.S
index 34f467e86f..0d6a76b4cb 100644
--- a/libavcodec/arm/idctdsp_arm.S
+++ b/libavcodec/arm/idctdsp_arm.S
@@ -22,7 +22,7 @@
 #include "config.h"
 #include "libavutil/arm/asm.S"
 
-@ void ff_add_pixels_clamped_arm(int16_t *block, uint8_t *dest, int stride)
+@ void ff_add_pixels_clamped_arm(int16_t *block, uint8_t *dest, ptrdiff_t stride)
 function ff_add_pixels_clamped_arm, export=1, align=5
         push            {r4-r10}
         mov             r10, #8
diff --git a/libavcodec/arm/idctdsp_init_arm.c b/libavcodec/arm/idctdsp_init_arm.c
index 8207c31589..8216985feb 100644
--- a/libavcodec/arm/idctdsp_init_arm.c
+++ b/libavcodec/arm/idctdsp_init_arm.c
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "libavutil/attributes.h"
@@ -30,29 +31,33 @@
 #include "idctdsp_arm.h"
 
 void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
-                               int line_size);
+                               ptrdiff_t line_size);
 
 /* XXX: those functions should be suppressed ASAP when all IDCTs are
  * converted */
-static void j_rev_dct_arm_put(uint8_t *dest, int line_size, int16_t *block)
+static void j_rev_dct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+                              int16_t *block)
 {
     ff_j_rev_dct_arm(block);
     ff_put_pixels_clamped(block, dest, line_size);
 }
 
-static void j_rev_dct_arm_add(uint8_t *dest, int line_size, int16_t *block)
+static void j_rev_dct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+                              int16_t *block)
 {
     ff_j_rev_dct_arm(block);
     ff_add_pixels_clamped(block, dest, line_size);
 }
 
-static void simple_idct_arm_put(uint8_t *dest, int line_size, int16_t *block)
+static void simple_idct_arm_put(uint8_t *dest, ptrdiff_t line_size,
+                                int16_t *block)
 {
     ff_simple_idct_arm(block);
     ff_put_pixels_clamped(block, dest, line_size);
 }
 
-static void simple_idct_arm_add(uint8_t *dest, int line_size, int16_t *block)
+static void simple_idct_arm_add(uint8_t *dest, ptrdiff_t line_size,
+                                int16_t *block)
 {
     ff_simple_idct_arm(block);
     ff_add_pixels_clamped(block, dest, line_size);
diff --git a/libavcodec/arm/idctdsp_init_armv6.c b/libavcodec/arm/idctdsp_init_armv6.c
index 8f0c49b142..3941ee8f0f 100644
--- a/libavcodec/arm/idctdsp_init_armv6.c
+++ b/libavcodec/arm/idctdsp_init_armv6.c
@@ -27,7 +27,7 @@
 #include "idctdsp_arm.h"
 
 void ff_add_pixels_clamped_armv6(const int16_t *block, uint8_t *pixels,
-                                 int line_size);
+                                 ptrdiff_t line_size);
 
 av_cold void ff_idctdsp_init_armv6(IDCTDSPContext *c, AVCodecContext *avctx,
                                    unsigned high_bit_depth)
diff --git a/libavcodec/arm/simple_idct_armv6.S b/libavcodec/arm/simple_idct_armv6.S
index 60723467a0..a8de990ee8 100644
--- a/libavcodec/arm/simple_idct_armv6.S
+++ b/libavcodec/arm/simple_idct_armv6.S
@@ -390,7 +390,7 @@ function ff_simple_idct_armv6, export=1
         pop    {r4-r11, pc}
 endfunc
 
-/* ff_simple_idct_add_armv6(uint8_t *dest, int line_size, int16_t *data); */
+/* ff_simple_idct_add_armv6(uint8_t *dest, ptrdiff_t line_size, int16_t *data); */
 function ff_simple_idct_add_armv6, export=1
         push   {r0, r1, r4-r11, lr}
         sub    sp, sp, #128
@@ -407,7 +407,7 @@ function ff_simple_idct_add_armv6, export=1
         pop    {r4-r11, pc}
 endfunc
 
-/* ff_simple_idct_put_armv6(uint8_t *dest, int line_size, int16_t *data); */
+/* ff_simple_idct_put_armv6(uint8_t *dest, ptrdiff_t line_size, int16_t *data); */
 function ff_simple_idct_put_armv6, export=1
         push   {r0, r1, r4-r11, lr}
         sub    sp, sp, #128
diff --git a/libavcodec/arm/simple_idct_neon.S b/libavcodec/arm/simple_idct_neon.S
index a1cde8d80a..9e0a97a0a8 100644
--- a/libavcodec/arm/simple_idct_neon.S
+++ b/libavcodec/arm/simple_idct_neon.S
@@ -261,7 +261,7 @@ endconst
         pop             {r4-r7, pc}
         .endm
 
-/* void ff_simple_idct_put_neon(uint8_t *dst, int line_size, int16_t *data); */
+/* void ff_simple_idct_put_neon(uint8_t *dst, ptrdiff_t line_size, int16_t *data); */
 function ff_simple_idct_put_neon, export=1
         idct_start      r2
 
@@ -316,7 +316,7 @@ function idct_col4_add8_neon
         bx              lr
 endfunc
 
-/* void ff_simple_idct_add_neon(uint8_t *dst, int line_size, int16_t *data); */
+/* void ff_simple_idct_add_neon(uint8_t *dst, ptrdiff_t line_size, int16_t *data); */
 function ff_simple_idct_add_neon, export=1
         idct_start      r2
 
diff --git a/libavcodec/arm/vc1dsp_init_neon.c b/libavcodec/arm/vc1dsp_init_neon.c
index 9ded7a28b9..55d3a65350 100644
--- a/libavcodec/arm/vc1dsp_init_neon.c
+++ b/libavcodec/arm/vc1dsp_init_neon.c
@@ -25,14 +25,14 @@
 #include "config.h"
 
 void ff_vc1_inv_trans_8x8_neon(int16_t *block);
-void ff_vc1_inv_trans_4x8_neon(uint8_t *dest, int linesize, int16_t *block);
-void ff_vc1_inv_trans_8x4_neon(uint8_t *dest, int linesize, int16_t *block);
-void ff_vc1_inv_trans_4x4_neon(uint8_t *dest, int linesize, int16_t *block);
+void ff_vc1_inv_trans_4x8_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+void ff_vc1_inv_trans_8x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+void ff_vc1_inv_trans_4x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
 
-void ff_vc1_inv_trans_8x8_dc_neon(uint8_t *dest, int linesize, int16_t *block);
-void ff_vc1_inv_trans_4x8_dc_neon(uint8_t *dest, int linesize, int16_t *block);
-void ff_vc1_inv_trans_8x4_dc_neon(uint8_t *dest, int linesize, int16_t *block);
-void ff_vc1_inv_trans_4x4_dc_neon(uint8_t *dest, int linesize, int16_t *block);
+void ff_vc1_inv_trans_8x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+void ff_vc1_inv_trans_4x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+void ff_vc1_inv_trans_8x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+void ff_vc1_inv_trans_4x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block);
 
 void ff_put_pixels8x8_neon(uint8_t *block, const uint8_t *pixels,
                            ptrdiff_t line_size, int rnd);
diff --git a/libavcodec/arm/vc1dsp_neon.S b/libavcodec/arm/vc1dsp_neon.S
index fa87eded61..1653a4c5ad 100644
--- a/libavcodec/arm/vc1dsp_neon.S
+++ b/libavcodec/arm/vc1dsp_neon.S
@@ -426,7 +426,7 @@ function ff_vc1_inv_trans_8x8_neon, export=1
         bx              lr
 endfunc
 
-@ (uint8_t *dest [r0], int linesize [r1], int16_t *block [r2])
+@ (uint8_t *dest [r0], ptrdiff_t stride [r1], int16_t *block [r2])
 function ff_vc1_inv_trans_8x4_neon, export=1
         vld1.64         {q0-q1}, [r2,:128]!     @ load 8 * 4 * 2 = 64 bytes / 16 bytes per quad = 4 quad registers
         vld1.64         {q2-q3}, [r2,:128]
@@ -511,7 +511,7 @@ function ff_vc1_inv_trans_8x4_neon, export=1
         bx              lr
 endfunc
 
-@ (uint8_t *dest [r0], int linesize [r1], int16_t *block [r2])
+@ (uint8_t *dest [r0], ptrdiff_t stride [r1], int16_t *block [r2])
 function ff_vc1_inv_trans_4x8_neon, export=1
         mov             r12, #(8 * 2)  @ 8 elements per line, each element 2 bytes
         vld4.16         {d0[],  d2[],  d4[],  d6[]},  [r2,:64], r12     @ read each column into a q register
@@ -593,7 +593,7 @@ endfunc
         vshr.s16        q1,  q1,  #\rshift      @ dst[3,1] >>= rshift
 .endm
 
-@ (uint8_t *dest [r0], int linesize [r1], int16_t *block [r2])
+@ (uint8_t *dest [r0], ptrdiff_t stride [r1], int16_t *block [r2])
 function ff_vc1_inv_trans_4x4_neon, export=1
         mov             r12, #(8 * 2)  @ 8 elements per line, each element 2 bytes
         vld4.16         {d0[],  d1[],  d2[],  d3[]},  [r2,:64], r12     @ read each column into a register