54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
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/*
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* Copyright (c) 2017 Paul B Mahol
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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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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavfilter/hflip.h"
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void ff_hflip_byte_ssse3(const uint8_t *src, uint8_t *dst, int w);
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void ff_hflip_byte_avx2(const uint8_t *src, uint8_t *dst, int w);
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void ff_hflip_short_ssse3(const uint8_t *src, uint8_t *dst, int w);
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void ff_hflip_short_avx2(const uint8_t *src, uint8_t *dst, int w);
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av_cold void ff_hflip_init_x86(FlipContext *s, int step[4], int nb_planes)
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{
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int cpu_flags = av_get_cpu_flags();
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int i;
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for (i = 0; i < nb_planes; i++) {
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if (step[i] == 1) {
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if (EXTERNAL_SSSE3(cpu_flags)) {
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s->flip_line[i] = ff_hflip_byte_ssse3;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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s->flip_line[i] = ff_hflip_byte_avx2;
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}
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} else if (step[i] == 2) {
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if (EXTERNAL_SSSE3(cpu_flags)) {
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s->flip_line[i] = ff_hflip_short_ssse3;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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s->flip_line[i] = ff_hflip_short_avx2;
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}
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}
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}
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}
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