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FFmpeg/libavcodec/hpeldsp_template.c
Ronald S. Bultje 68d8238cca hpeldsp: Add half-pel functions (currently copies of dsputil) 
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-04-19 23:17:17 +03:00

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9.5 KiB
C
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/*
* Half-pel DSP functions.
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Half-pel DSP functions.
*/
#include "bit_depth_template.c"
#include "hpel_template.c"
#define PIXOP2(OPNAME, OP) \
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
int src_stride1, int src_stride2, int h){\
int i;\
for(i=0; i<h; i++){\
pixel4 a,b;\
a= AV_RN4P(&src1[i*src_stride1 ]);\
b= AV_RN4P(&src2[i*src_stride2 ]);\
OP(*((pixel4*)&dst[i*dst_stride ]), no_rnd_avg_pixel4(a, b));\
a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), no_rnd_avg_pixel4(a, b));\
}\
}\
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels4_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels4_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels2_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels2_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
}\
\
static inline void FUNCC(OPNAME ## _pixels2_xy2)(uint8_t *_block, const uint8_t *_pixels, ptrdiff_t line_size, int h)\
{\
int i, a0, b0, a1, b1;\
pixel *block = (pixel*)_block;\
const pixel *pixels = (const pixel*)_pixels;\
line_size /= sizeof(pixel);\
a0= pixels[0];\
b0= pixels[1] + 2;\
a0 += b0;\
b0 += pixels[2];\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
a1= pixels[0];\
b1= pixels[1];\
a1 += b1;\
b1 += pixels[2];\
\
block[0]= (a1+a0)>>2; /* FIXME non put */\
block[1]= (b1+b0)>>2;\
\
pixels+=line_size;\
block +=line_size;\
\
a0= pixels[0];\
b0= pixels[1] + 2;\
a0 += b0;\
b0 += pixels[2];\
\
block[0]= (a1+a0)>>2;\
block[1]= (b1+b0)>>2;\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
static inline void FUNCC(OPNAME ## _pixels4_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
{\
/* FIXME HIGH BIT DEPTH */\
int i;\
const uint32_t a= AV_RN32(pixels );\
const uint32_t b= AV_RN32(pixels+1);\
uint32_t l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
uint32_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint32_t a= AV_RN32(pixels );\
uint32_t b= AV_RN32(pixels+1);\
l1= (a&0x03030303UL)\
+ (b&0x03030303UL);\
h1= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
a= AV_RN32(pixels );\
b= AV_RN32(pixels+1);\
l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
{\
/* FIXME HIGH BIT DEPTH */\
int j;\
for(j=0; j<2; j++){\
int i;\
const uint32_t a= AV_RN32(pixels );\
const uint32_t b= AV_RN32(pixels+1);\
uint32_t l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
uint32_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint32_t a= AV_RN32(pixels );\
uint32_t b= AV_RN32(pixels+1);\
l1= (a&0x03030303UL)\
+ (b&0x03030303UL);\
h1= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
a= AV_RN32(pixels );\
b= AV_RN32(pixels+1);\
l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
}\
pixels+=4-line_size*(h+1);\
block +=4-line_size*h;\
}\
}\
\
static inline void FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
{\
/* FIXME HIGH BIT DEPTH */\
int j;\
for(j=0; j<2; j++){\
int i;\
const uint32_t a= AV_RN32(pixels );\
const uint32_t b= AV_RN32(pixels+1);\
uint32_t l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x01010101UL;\
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
uint32_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint32_t a= AV_RN32(pixels );\
uint32_t b= AV_RN32(pixels+1);\
l1= (a&0x03030303UL)\
+ (b&0x03030303UL);\
h1= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
a= AV_RN32(pixels );\
b= AV_RN32(pixels+1);\
l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x01010101UL;\
h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
}\
pixels+=4-line_size*(h+1);\
block +=4-line_size*h;\
}\
}\
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_x2) , FUNCC(OPNAME ## _pixels8_x2) , 8*sizeof(pixel))\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2) , FUNCC(OPNAME ## _pixels8_y2) , 8*sizeof(pixel))\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\
av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))\
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2) , FUNCC(OPNAME ## _no_rnd_pixels8_x2) , 8*sizeof(pixel))\
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2) , FUNCC(OPNAME ## _no_rnd_pixels8_y2) , 8*sizeof(pixel))\
CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), FUNCC(OPNAME ## _no_rnd_pixels8_xy2), 8*sizeof(pixel))\
#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b
#if BIT_DEPTH == 8
#define put_no_rnd_pixels8_8_c put_pixels8_8_c
PIXOP2(avg, op_avg)
PIXOP2(put, op_put)
#endif
#undef op_avg
#undef op_put
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