ffmpeg/libavcodec/svq1encdsp.h

61 lines
1.7 KiB
C

/*
* SVQ1 encoder DSP
*
* 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_SVQ1ENCDSP_H
#define AVCODEC_SVQ1ENCDSP_H
#include <stdint.h>
#include "config.h"
typedef struct SVQ1EncDSPContext {
int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
intptr_t size);
} SVQ1EncDSPContext;
void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c);
void ff_svq1enc_init_riscv(SVQ1EncDSPContext *c);
void ff_svq1enc_init_x86(SVQ1EncDSPContext *c);
static int ssd_int8_vs_int16_c(const int8_t *pix1, const int16_t *pix2,
intptr_t size)
{
int score = 0;
for (intptr_t i = 0; i < size; i++)
score += (pix1[i] - pix2[i]) * (pix1[i] - pix2[i]);
return score;
}
static inline void ff_svq1enc_init(SVQ1EncDSPContext *c)
{
c->ssd_int8_vs_int16 = ssd_int8_vs_int16_c;
#if ARCH_PPC
ff_svq1enc_init_ppc(c);
#elif ARCH_RISCV
ff_svq1enc_init_riscv(c);
#elif ARCH_X86
ff_svq1enc_init_x86(c);
#endif
}
#endif /* AVCODEC_SVQ1ENCDSP_H */