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60 lines
1.7 KiB
60 lines
1.7 KiB
/* |
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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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