forked from KolibriOS/kolibrios
55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2012 Mans Rullgard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_SBRDSP_H
|
|
#define AVCODEC_SBRDSP_H
|
|
|
|
#include <stdint.h>
|
|
#include "aac_defines.h"
|
|
#include "libavutil/softfloat.h"
|
|
|
|
typedef struct SBRDSPContext {
|
|
void (*sum64x5)(INTFLOAT *z);
|
|
AAC_FLOAT (*sum_square)(INTFLOAT (*x)[2], int n);
|
|
void (*neg_odd_64)(INTFLOAT *x);
|
|
void (*qmf_pre_shuffle)(INTFLOAT *z);
|
|
void (*qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z);
|
|
void (*qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src);
|
|
void (*qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1);
|
|
void (*autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2]);
|
|
void (*hf_gen)(INTFLOAT (*X_high)[2], const INTFLOAT (*X_low)[2],
|
|
const INTFLOAT alpha0[2], const INTFLOAT alpha1[2],
|
|
INTFLOAT bw, int start, int end);
|
|
void (*hf_g_filt)(INTFLOAT (*Y)[2], const INTFLOAT (*X_high)[40][2],
|
|
const AAC_FLOAT *g_filt, int m_max, intptr_t ixh);
|
|
void (*hf_apply_noise[4])(INTFLOAT (*Y)[2], const AAC_FLOAT *s_m,
|
|
const AAC_FLOAT *q_filt, int noise,
|
|
int kx, int m_max);
|
|
} SBRDSPContext;
|
|
|
|
extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2];
|
|
|
|
void AAC_RENAME(ff_sbrdsp_init)(SBRDSPContext *s);
|
|
void ff_sbrdsp_init_arm(SBRDSPContext *s);
|
|
void ff_sbrdsp_init_x86(SBRDSPContext *s);
|
|
void ff_sbrdsp_init_mips(SBRDSPContext *s);
|
|
|
|
#endif /* AVCODEC_SBRDSP_H */
|