/* * 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> 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, intptr_t 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); void ff_sbrdsp_init_x86(SBRDSPContext *s); void ff_sbrdsp_init_mips(SBRDSPContext *s); #endif /* AVCODEC_SBRDSP_H */