1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19#include <stdint.h> 20 21#include "config.h" 22#include "libavutil/attributes.h" 23#include "libavutil/aarch64/cpu.h" 24#include "libavcodec/mpegvideo.h" 25 26int ff_pix_abs16_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, 27 ptrdiff_t stride, int h); 28int ff_pix_abs16_xy2_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2, 29 ptrdiff_t stride, int h); 30 31av_cold void ff_me_cmp_init_aarch64(MECmpContext *c, AVCodecContext *avctx) 32{ 33 int cpu_flags = av_get_cpu_flags(); 34 35 if (have_neon(cpu_flags)) { 36 c->pix_abs[0][0] = ff_pix_abs16_neon; 37 c->pix_abs[0][3] = ff_pix_abs16_xy2_neon; 38 39 c->sad[0] = ff_pix_abs16_neon; 40 } 41} 42