1/*
2 * AAC Spectral Band Replication decoding functions
3 * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include "libavutil/attributes.h"
24#include "libavutil/cpu.h"
25#include "libavutil/x86/cpu.h"
26#include "libavcodec/sbrdsp.h"
27
28float ff_sbr_sum_square_sse(float (*x)[2], int n);
29void ff_sbr_sum64x5_sse(float *z);
30void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
31                          const float *g_filt, int m_max, intptr_t ixh);
32void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
33                       const float alpha0[2], const float alpha1[2],
34                       float bw, int start, int end);
35void ff_sbr_neg_odd_64_sse(float *z);
36void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
37void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1);
38void ff_sbr_qmf_pre_shuffle_sse2(float *z);
39
40void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m,
41                                  const float *q_filt, int noise,
42                                  int kx, int m_max);
43void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m,
44                                  const float *q_filt, int noise,
45                                  int kx, int m_max);
46void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m,
47                                  const float *q_filt, int noise,
48                                  int kx, int m_max);
49void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
50                                  const float *q_filt, int noise,
51                                  int kx, int m_max);
52
53void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
54
55void ff_sbr_autocorrelate_sse (const float x[40][2], float phi[3][2][2]);
56void ff_sbr_autocorrelate_sse3(const float x[40][2], float phi[3][2][2]);
57
58av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
59{
60    int cpu_flags = av_get_cpu_flags();
61
62    if (EXTERNAL_SSE(cpu_flags)) {
63        s->neg_odd_64 = ff_sbr_neg_odd_64_sse;
64        s->sum_square = ff_sbr_sum_square_sse;
65        s->sum64x5    = ff_sbr_sum64x5_sse;
66        s->hf_g_filt  = ff_sbr_hf_g_filt_sse;
67        s->hf_gen     = ff_sbr_hf_gen_sse;
68        s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
69        s->qmf_deint_neg    = ff_sbr_qmf_deint_neg_sse;
70        s->autocorrelate    = ff_sbr_autocorrelate_sse;
71    }
72
73    if (EXTERNAL_SSE2(cpu_flags)) {
74        s->qmf_deint_bfly   = ff_sbr_qmf_deint_bfly_sse2;
75        s->qmf_pre_shuffle  = ff_sbr_qmf_pre_shuffle_sse2;
76        s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2;
77        s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2;
78        s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2;
79        s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2;
80    }
81
82    if (EXTERNAL_SSE3(cpu_flags)) {
83        s->autocorrelate = ff_sbr_autocorrelate_sse3;
84    }
85}
86