mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.9 KiB
48 lines
1.9 KiB
/* |
|
* Copyright (c) 2012 Mans Rullgard |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* Libav is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#ifndef LIBAVCODEC_SBRDSP_H |
|
#define LIBAVCODEC_SBRDSP_H |
|
|
|
typedef struct SBRDSPContext { |
|
void (*sum64x5)(float *z); |
|
float (*sum_square)(float (*x)[2], int n); |
|
void (*neg_odd_64)(float *x); |
|
void (*qmf_pre_shuffle)(float *z); |
|
void (*qmf_post_shuffle)(float W[32][2], const float *z); |
|
void (*qmf_deint_neg)(float *v, const float *src); |
|
void (*qmf_deint_bfly)(float *v, const float *src0, const float *src1); |
|
void (*autocorrelate)(const float x[40][2], float phi[3][2][2]); |
|
void (*hf_gen)(float (*X_high)[2], const float (*X_low)[2], |
|
const float alpha0[2], const float alpha1[2], |
|
float bw, int start, int end); |
|
void (*hf_g_filt)(float (*Y)[2], const float (*X_high)[40][2], |
|
const float *g_filt, int m_max, int ixh); |
|
void (*hf_apply_noise[4])(float (*Y)[2], const float *s_m, |
|
const float *q_filt, int noise, |
|
int kx, int m_max); |
|
} SBRDSPContext; |
|
|
|
extern const float ff_sbr_noise_table[][2]; |
|
|
|
void ff_sbrdsp_init(SBRDSPContext *s); |
|
void ff_sbrdsp_init_arm(SBRDSPContext *s); |
|
|
|
#endif
|
|
|