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/*
* 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
*/
#ifndef AVCODEC_PIXBLOCKDSP_H
#define AVCODEC_PIXBLOCKDSP_H
#include <stddef.h>
#include <stdint.h>
#define PIXBLOCKDSP_8BPP_GET_PIXELS_SUPPORTS_UNALIGNED \
!(ARCH_ARM || ARCH_MIPS || ARCH_PPC || ARCH_RISCV)
typedef struct PixblockDSPContext {
void (*get_pixels)(int16_t *restrict block /* align 16 */,
/* align 16 for > 8 bits; align 8 for <= 8 bits
* (or 1 if PIXBLOCKDSP_8BPP_GET_PIXELS_SUPPORTS_UNALIGNED is set) */
const uint8_t *pixels,
ptrdiff_t stride);
void (*get_pixels_unaligned)(int16_t *restrict block /* align 16 */,
const uint8_t *pixels,
ptrdiff_t stride);
void (*diff_pixels)(int16_t *restrict block /* align 16 */,
const uint8_t *s1 /* align 8 */,
const uint8_t *s2 /* align 8 */,
ptrdiff_t stride);
void (*diff_pixels_unaligned)(int16_t *restrict block /* align 16 */,
const uint8_t *s1,
const uint8_t *s2,
ptrdiff_t stride);
} PixblockDSPContext;
void ff_pixblockdsp_init(PixblockDSPContext *c, int bits_per_raw_sample);
void ff_pixblockdsp_init_aarch64(PixblockDSPContext *c,
unsigned high_bit_depth);
void ff_pixblockdsp_init_arm(PixblockDSPContext *c,
unsigned high_bit_depth);
void ff_pixblockdsp_init_ppc(PixblockDSPContext *c,
unsigned high_bit_depth);
void ff_pixblockdsp_init_riscv(PixblockDSPContext *c,
unsigned high_bit_depth);
void ff_pixblockdsp_init_x86(PixblockDSPContext *c,
unsigned high_bit_depth);
void ff_pixblockdsp_init_mips(PixblockDSPContext *c,
unsigned high_bit_depth);
#endif /* AVCODEC_PIXBLOCKDSP_H */
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