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
28 float ff_sbr_sum_square_sse(float (*x)[2], int n);
29 void ff_sbr_sum64x5_sse(float *z);
30 void 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);
32 void 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);
35 void ff_sbr_neg_odd_64_sse(float *z);
36 void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
37 void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1);
38 void ff_sbr_qmf_pre_shuffle_sse2(float *z);
39
40 void 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);
43 void 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);
46 void 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);
49 void 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
53 void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
54
55 void ff_sbr_autocorrelate_sse (const float x[40][2], float phi[3][2][2]);
56 void ff_sbr_autocorrelate_sse3(const float x[40][2], float phi[3][2][2]);
57
ff_sbrdsp_init_x86(SBRDSPContext *s)58 av_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