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h264chroma: Change type of stride parameters to ptrdiff_t

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This avoids SIMD-optimized functions having to sign-extend their
stride argument manually to be able to do pointer arithmetic.
This commit is contained in:
Diego Biurrun
2016-09-01 21:41:01 +02:00
parent 2ec9fa5ec6
commit e4a94d8b36
17 changed files with 110 additions and 110 deletions
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14
libavcodec/rv40dsp.c
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@@ -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));\