blob: 66852de61823393922b7c0a24f933f9bbe1a953e
| 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 | |
| 28 | typedef 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 | |
| 47 | extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2]; |
| 48 | |
| 49 | void AAC_RENAME(ff_sbrdsp_init)(SBRDSPContext *s); |
| 50 | void ff_sbrdsp_init_arm(SBRDSPContext *s); |
| 51 | void ff_sbrdsp_init_x86(SBRDSPContext *s); |
| 52 | void ff_sbrdsp_init_mips(SBRDSPContext *s); |
| 53 | |
| 54 | #endif /* AVCODEC_SBRDSP_H */ |
| 55 |