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 "libavutil/attributes.h"
22#include "libavutil/cpu.h"
23#include "libavutil/arm/cpu.h"
24#include "libavcodec/avcodec.h"
25#include "libavcodec/me_cmp.h"
26#include "libavcodec/mpegvideo.h"
27
28int ff_pix_abs16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
29                       ptrdiff_t stride, int h);
30int ff_pix_abs16_x2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
31                          ptrdiff_t stride, int h);
32int ff_pix_abs16_y2_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
33                          ptrdiff_t stride, int h);
34
35int ff_pix_abs8_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
36                      ptrdiff_t stride, int h);
37
38int ff_sse16_armv6(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
39                   ptrdiff_t stride, int h);
40
41av_cold void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx)
42{
43    int cpu_flags = av_get_cpu_flags();
44
45    if (have_armv6(cpu_flags)) {
46        c->pix_abs[0][0] = ff_pix_abs16_armv6;
47        c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
48        c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
49
50        c->pix_abs[1][0] = ff_pix_abs8_armv6;
51
52        c->sad[0] = ff_pix_abs16_armv6;
53        c->sad[1] = ff_pix_abs8_armv6;
54
55        c->sse[0] = ff_sse16_armv6;
56    }
57}
58