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#include "aac_defines.h" 26#include "libavutil/softfloat.h" 27 28typedef struct SBRDSPContext { 29 void (*sum64x5)(INTFLOAT *z); 30 AAC_FLOAT (*sum_square)(INTFLOAT (*x)[2], int n); 31 void (*neg_odd_64)(INTFLOAT *x); 32 void (*qmf_pre_shuffle)(INTFLOAT *z); 33 void (*qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z); 34 void (*qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src); 35 void (*qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1); 36 void (*autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2]); 37 void (*hf_gen)(INTFLOAT (*X_high)[2], const INTFLOAT (*X_low)[2], 38 const INTFLOAT alpha0[2], const INTFLOAT alpha1[2], 39 INTFLOAT bw, int start, int end); 40 void (*hf_g_filt)(INTFLOAT (*Y)[2], const INTFLOAT (*X_high)[40][2], 41 const AAC_FLOAT *g_filt, int m_max, intptr_t ixh); 42 void (*hf_apply_noise[4])(INTFLOAT (*Y)[2], const AAC_FLOAT *s_m, 43 const AAC_FLOAT *q_filt, int noise, 44 int kx, int m_max); 45} SBRDSPContext; 46 47extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2]; 48 49void AAC_RENAME(ff_sbrdsp_init)(SBRDSPContext *s); 50void ff_sbrdsp_init_arm(SBRDSPContext *s); 51void ff_sbrdsp_init_aarch64(SBRDSPContext *s); 52void ff_sbrdsp_init_x86(SBRDSPContext *s); 53void ff_sbrdsp_init_mips(SBRDSPContext *s); 54 55#endif /* AVCODEC_SBRDSP_H */ 56