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
26 int ff_pix_abs16_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
27 ptrdiff_t stride, int h);
28 int ff_pix_abs16_xy2_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
29 ptrdiff_t stride, int h);
30
ff_me_cmp_init_aarch64(MECmpContext *c, AVCodecContext *avctx)31 av_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