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 "config.h"
20#include "libavutil/aarch64/cpu.h"
21#include "libavutil/attributes.h"
22#include "libavcodec/sbrdsp.h"
23
24void ff_sbr_sum64x5_neon(float *z);
25float ff_sbr_sum_square_neon(float (*x)[2], int n);
26void ff_sbr_neg_odd_64_neon(float *x);
27void ff_sbr_qmf_pre_shuffle_neon(float *z);
28void ff_sbr_qmf_post_shuffle_neon(float W[32][2], const float *z);
29void ff_sbr_qmf_deint_neg_neon(float *v, const float *src);
30void ff_sbr_qmf_deint_bfly_neon(float *v, const float *src0, const float *src1);
31void ff_sbr_hf_g_filt_neon(float (*Y)[2], const float (*X_high)[40][2],
32                           const float *g_filt, int m_max, intptr_t ixh);
33void ff_sbr_hf_gen_neon(float (*X_high)[2], const float (*X_low)[2],
34                        const float alpha0[2], const float alpha1[2],
35                        float bw, int start, int end);
36void ff_sbr_autocorrelate_neon(const float x[40][2], float phi[3][2][2]);
37void ff_sbr_hf_apply_noise_0_neon(float Y[64][2], const float *s_m,
38                                  const float *q_filt, int noise,
39                                  int kx, int m_max);
40void ff_sbr_hf_apply_noise_1_neon(float Y[64][2], const float *s_m,
41                                  const float *q_filt, int noise,
42                                  int kx, int m_max);
43void ff_sbr_hf_apply_noise_2_neon(float Y[64][2], const float *s_m,
44                                  const float *q_filt, int noise,
45                                  int kx, int m_max);
46void ff_sbr_hf_apply_noise_3_neon(float Y[64][2], const float *s_m,
47                                  const float *q_filt, int noise,
48                                  int kx, int m_max);
49
50av_cold void ff_sbrdsp_init_aarch64(SBRDSPContext *s)
51{
52    int cpu_flags = av_get_cpu_flags();
53
54    if (have_neon(cpu_flags)) {
55        s->sum64x5 = ff_sbr_sum64x5_neon;
56        s->sum_square = ff_sbr_sum_square_neon;
57        s->neg_odd_64 = ff_sbr_neg_odd_64_neon;
58        s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_neon;
59        s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_neon;
60        s->qmf_deint_neg = ff_sbr_qmf_deint_neg_neon;
61        s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_neon;
62        s->hf_g_filt = ff_sbr_hf_g_filt_neon;
63        s->hf_gen = ff_sbr_hf_gen_neon;
64        s->autocorrelate = ff_sbr_autocorrelate_neon;
65        s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_neon;
66        s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_neon;
67        s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_neon;
68        s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_neon;
69    }
70}
71