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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 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
*/
#include "libavutil/intreadwrite.h"
#include "pixels.h"
#include "bit_depth_template.c"
#define DEF_HPEL(OPNAME, OP) \
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); \
} \
#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