1 /*
2 * Copyright (c) 2012 Mans Rullgard
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 "config.h"
22 #include "libavutil/arm/cpu.h"
23 #include "libavutil/attributes.h"
24 #include "libavcodec/sbrdsp.h"
25
26 void ff_sbr_sum64x5_neon(float *z);
27 float ff_sbr_sum_square_neon(float (*x)[2], int n);
28 void ff_sbr_neg_odd_64_neon(float *x);
29 void ff_sbr_qmf_pre_shuffle_neon(float *z);
30 void ff_sbr_qmf_post_shuffle_neon(float W[32][2], const float *z);
31 void ff_sbr_qmf_deint_neg_neon(float *v, const float *src);
32 void ff_sbr_qmf_deint_bfly_neon(float *v, const float *src0, const float *src1);
33 void ff_sbr_hf_g_filt_neon(float (*Y)[2], const float (*X_high)[40][2],
34 const float *g_filt, int m_max, intptr_t ixh);
35 void ff_sbr_hf_gen_neon(float (*X_high)[2], const float (*X_low)[2],
36 const float alpha0[2], const float alpha1[2],
37 float bw, int start, int end);
38 void ff_sbr_autocorrelate_neon(const float x[40][2], float phi[3][2][2]);
39
40 void ff_sbr_hf_apply_noise_0_neon(float Y[64][2], const float *s_m,
41 const float *q_filt, int noise,
42 int kx, int m_max);
43 void ff_sbr_hf_apply_noise_1_neon(float Y[64][2], const float *s_m,
44 const float *q_filt, int noise,
45 int kx, int m_max);
46 void ff_sbr_hf_apply_noise_2_neon(float Y[64][2], const float *s_m,
47 const float *q_filt, int noise,
48 int kx, int m_max);
49 void ff_sbr_hf_apply_noise_3_neon(float Y[64][2], const float *s_m,
50 const float *q_filt, int noise,
51 int kx, int m_max);
52
ff_sbrdsp_init_arm(SBRDSPContext * s)53 av_cold void ff_sbrdsp_init_arm(SBRDSPContext *s)
54 {
55 int cpu_flags = av_get_cpu_flags();
56
57 if (have_neon(cpu_flags)) {
58 s->sum64x5 = ff_sbr_sum64x5_neon;
59 s->sum_square = ff_sbr_sum_square_neon;
60 s->neg_odd_64 = ff_sbr_neg_odd_64_neon;
61 s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_neon;
62 s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_neon;
63 s->qmf_deint_neg = ff_sbr_qmf_deint_neg_neon;
64 s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_neon;
65 s->hf_g_filt = ff_sbr_hf_g_filt_neon;
66 s->hf_gen = ff_sbr_hf_gen_neon;
67 s->autocorrelate = ff_sbr_autocorrelate_neon;
68 s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_neon;
69 s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_neon;
70 s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_neon;
71 s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_neon;
72 }
73 }
74