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libavutil/aarch64/pixelutils.h
47 строк
2 KB
Jeongkeun Kim
avutil/aarch64: add pixelutils 32x32 SAD NEON implementation
19 апр 2026, 22:27
19 апр 2026, 22:27
de18feb
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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 AVUTIL_AARCH64_PIXELUTILS_H #define AVUTIL_AARCH64_PIXELUTILS_H #include <stddef.h> #include <stdint.h> #include "cpu.h" #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/pixelutils.h" int ff_pixelutils_sad8_neon (const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2); int ff_pixelutils_sad16_neon(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2); int ff_pixelutils_sad32_neon(const uint8_t *src1, ptrdiff_t stride1, const uint8_t *src2, ptrdiff_t stride2); static inline av_cold void ff_pixelutils_sad_init_aarch64(av_pixelutils_sad_fn *sad, int aligned) { int cpu_flags = av_get_cpu_flags(); if (have_neon(cpu_flags)) { sad[2] = ff_pixelutils_sad8_neon; sad[3] = ff_pixelutils_sad16_neon; sad[4] = ff_pixelutils_sad32_neon; } } #endif