mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-30 03:12:08 +00:00
81 lines
4.2 KiB
C
81 lines
4.2 KiB
C
/*
|
|
* 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 <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "pixels.h"
|
|
#include "rnd_avg.h"
|
|
|
|
#include "bit_depth_template.c"
|
|
|
|
#define DEF_PEL(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; \
|
|
} \
|
|
} \
|
|
\
|
|
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_PEL(avg, op_avg)
|
|
DEF_PEL(put, op_put)
|
|
#undef op_avg
|
|
#undef op_put
|