1/* 2 * SIMD-optimized pixel operations 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavutil/attributes.h" 22#include "libavutil/cpu.h" 23#include "libavutil/x86/cpu.h" 24#include "libavcodec/pixblockdsp.h" 25 26void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size); 27void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size); 28void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, 29 int stride); 30void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2, 31 int stride); 32 33av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, 34 AVCodecContext *avctx, 35 unsigned high_bit_depth) 36{ 37 int cpu_flags = av_get_cpu_flags(); 38 39 if (EXTERNAL_MMX(cpu_flags)) { 40 if (!high_bit_depth) 41 c->get_pixels = ff_get_pixels_mmx; 42 c->diff_pixels = ff_diff_pixels_mmx; 43 } 44 45 if (EXTERNAL_SSE2(cpu_flags)) { 46 if (!high_bit_depth) 47 c->get_pixels = ff_get_pixels_sse2; 48 c->diff_pixels = ff_diff_pixels_sse2; 49 } 50} 51