| /* |
| * 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 */ |