mirror of https://git.ffmpeg.org/ffmpeg.git
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* SVQ1 encoder DSP
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_SVQ1ENCDSP_H
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#define AVCODEC_SVQ1ENCDSP_H
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#include <stdint.h>
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#include "config.h"
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typedef struct SVQ1EncDSPContext {
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int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
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intptr_t size);
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} SVQ1EncDSPContext;
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void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c);
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void ff_svq1enc_init_riscv(SVQ1EncDSPContext *c);
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void ff_svq1enc_init_x86(SVQ1EncDSPContext *c);
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static int ssd_int8_vs_int16_c(const int8_t *pix1, const int16_t *pix2,
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intptr_t size)
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{
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int score = 0;
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for (intptr_t i = 0; i < size; i++)
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score += (pix1[i] - pix2[i]) * (pix1[i] - pix2[i]);
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return score;
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}
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static inline void ff_svq1enc_init(SVQ1EncDSPContext *c)
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{
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c->ssd_int8_vs_int16 = ssd_int8_vs_int16_c;
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#if ARCH_PPC
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ff_svq1enc_init_ppc(c);
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#elif ARCH_RISCV
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ff_svq1enc_init_riscv(c);
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#elif ARCH_X86
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ff_svq1enc_init_x86(c);
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#endif
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}
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#endif /* AVCODEC_SVQ1ENCDSP_H */
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