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/*
* 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);
#endif
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