ffmpeg/libavcodec/hpel_template.c

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/*
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define DEF_HPEL(OPNAME, OP) \
static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
int i;\
for(i=0; i<h; i++){\
OP(*((pixel2*)(block )), AV_RN2P(pixels ));\
pixels+=line_size;\
block +=line_size;\
}\
}\
static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
int i;\
for(i=0; i<h; i++){\
OP(*((pixel4*)(block )), AV_RN4P(pixels ));\
pixels+=line_size;\
block +=line_size;\
}\
}\
static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
int i;\
for(i=0; i<h; i++){\
OP(*((pixel4*)(block )), AV_RN4P(pixels ));\
OP(*((pixel4*)(block+4*sizeof(pixel))), AV_RN4P(pixels+4*sizeof(pixel)));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
static inline void FUNC(OPNAME ## _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 ]), 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)]), rnd_avg_pixel4(a, b));\
}\
}\
\
static inline void FUNC(OPNAME ## _pixels4_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 ]), rnd_avg_pixel4(a, b));\
}\
}\
\
static inline void FUNC(OPNAME ## _pixels2_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_RN2P(&src1[i*src_stride1 ]);\
b= AV_RN2P(&src2[i*src_stride2 ]);\
OP(*((pixel2*)&dst[i*dst_stride ]), rnd_avg_pixel4(a, b));\
}\
}\
\
static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
int src_stride1, int src_stride2, int h){\
FUNC(OPNAME ## _pixels8_l2)(dst , src1 , src2 , dst_stride, src_stride1, src_stride2, h);\
FUNC(OPNAME ## _pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
}\
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))
#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b
DEF_HPEL(avg, op_avg)
DEF_HPEL(put, op_put)
#undef op_avg
#undef op_put