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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 | #ifndef AVCODEC_SBRDSP_H | |
22 | #define AVCODEC_SBRDSP_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | typedef struct SBRDSPContext { | |
27 | void (*sum64x5)(float *z); | |
28 | float (*sum_square)(float (*x)[2], int n); | |
29 | void (*neg_odd_64)(float *x); | |
30 | void (*qmf_pre_shuffle)(float *z); | |
31 | void (*qmf_post_shuffle)(float W[32][2], const float *z); | |
32 | void (*qmf_deint_neg)(float *v, const float *src); | |
33 | void (*qmf_deint_bfly)(float *v, const float *src0, const float *src1); | |
34 | void (*autocorrelate)(const float x[40][2], float phi[3][2][2]); | |
35 | void (*hf_gen)(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 (*hf_g_filt)(float (*Y)[2], const float (*X_high)[40][2], | |
39 | const float *g_filt, int m_max, intptr_t ixh); | |
40 | void (*hf_apply_noise[4])(float (*Y)[2], const float *s_m, | |
41 | const float *q_filt, int noise, | |
42 | int kx, int m_max); | |
43 | } SBRDSPContext; | |
44 | ||
45 | extern const float ff_sbr_noise_table[][2]; | |
46 | ||
47 | void ff_sbrdsp_init(SBRDSPContext *s); | |
48 | void ff_sbrdsp_init_arm(SBRDSPContext *s); | |
49 | void ff_sbrdsp_init_x86(SBRDSPContext *s); | |
50 | void ff_sbrdsp_init_mips(SBRDSPContext *s); | |
51 | ||
52 | #endif /* AVCODEC_SBRDSP_H */ |