| /* |
| * 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 */ |