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authorDiego Biurrun <diego@biurrun.de>2016-09-01 21:41:01 +0200
committerDiego Biurrun <diego@biurrun.de>2016-09-29 14:48:04 +0200
commite4a94d8b36c48d95a7d412c40d7b558422ff659c (patch)
tree754724de182b2d0379f14d2a347d1e4f78d52648 /libavcodec/h264chroma_template.c
parent2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428 (diff)
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.
Diffstat (limited to 'libavcodec/h264chroma_template.c')
-rw-r--r--libavcodec/h264chroma_template.c16
1 files changed, 10 insertions, 6 deletions
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]));\