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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_sse(float *v, const float *src0, const float *src1); | |
38 | void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1); | |
39 | void ff_sbr_qmf_pre_shuffle_sse2(float *z); | |
40 | ||
41 | void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m, | |
42 | const float *q_filt, int noise, | |
43 | int kx, int m_max); | |
44 | void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m, | |
45 | const float *q_filt, int noise, | |
46 | int kx, int m_max); | |
47 | void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m, | |
48 | const float *q_filt, int noise, | |
49 | int kx, int m_max); | |
50 | void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m, | |
51 | const float *q_filt, int noise, | |
52 | int kx, int m_max); | |
53 | ||
54 | void ff_sbr_qmf_deint_neg_sse(float *v, const float *src); | |
55 | ||
56 | av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s) | |
57 | { | |
58 | int cpu_flags = av_get_cpu_flags(); | |
59 | ||
60 | if (EXTERNAL_SSE(cpu_flags)) { | |
61 | s->neg_odd_64 = ff_sbr_neg_odd_64_sse; | |
62 | s->sum_square = ff_sbr_sum_square_sse; | |
63 | s->sum64x5 = ff_sbr_sum64x5_sse; | |
64 | s->hf_g_filt = ff_sbr_hf_g_filt_sse; | |
65 | s->hf_gen = ff_sbr_hf_gen_sse; | |
66 | s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse; | |
67 | s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse; | |
68 | s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse; | |
69 | } | |
70 | ||
71 | if (EXTERNAL_SSE2(cpu_flags)) { | |
72 | s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse2; | |
73 | s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_sse2; | |
74 | s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2; | |
75 | s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2; | |
76 | s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2; | |
77 | s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2; | |
78 | } | |
79 | } |