blob: ad9bbb81bdb785cb70b40fd7ae309a9509ba5801
| 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_AACPSDSP_H |
| 22 | #define AVCODEC_AACPSDSP_H |
| 23 | |
| 24 | #include "aac_defines.h" |
| 25 | |
| 26 | #define PS_QMF_TIME_SLOTS 32 |
| 27 | #define PS_AP_LINKS 3 |
| 28 | #define PS_MAX_AP_DELAY 5 |
| 29 | |
| 30 | typedef struct PSDSPContext { |
| 31 | void (*add_squares)(INTFLOAT *dst, const INTFLOAT (*src)[2], int n); |
| 32 | void (*mul_pair_single)(INTFLOAT (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1, |
| 33 | int n); |
| 34 | void (*hybrid_analysis)(INTFLOAT (*out)[2], INTFLOAT (*in)[2], |
| 35 | const INTFLOAT (*filter)[8][2], |
| 36 | int stride, int n); |
| 37 | void (*hybrid_analysis_ileave)(INTFLOAT (*out)[32][2], INTFLOAT L[2][38][64], |
| 38 | int i, int len); |
| 39 | void (*hybrid_synthesis_deint)(INTFLOAT out[2][38][64], INTFLOAT (*in)[32][2], |
| 40 | int i, int len); |
| 41 | void (*decorrelate)(INTFLOAT (*out)[2], INTFLOAT (*delay)[2], |
| 42 | INTFLOAT (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2], |
| 43 | const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2], |
| 44 | const INTFLOAT *transient_gain, |
| 45 | INTFLOAT g_decay_slope, |
| 46 | int len); |
| 47 | void (*stereo_interpolate[2])(INTFLOAT (*l)[2], INTFLOAT (*r)[2], |
| 48 | INTFLOAT h[2][4], INTFLOAT h_step[2][4], |
| 49 | int len); |
| 50 | } PSDSPContext; |
| 51 | |
| 52 | void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s); |
| 53 | void ff_psdsp_init_arm(PSDSPContext *s); |
| 54 | void ff_psdsp_init_mips(PSDSPContext *s); |
| 55 | void ff_psdsp_init_x86(PSDSPContext *s); |
| 56 | |
| 57 | #endif /* AVCODEC_AACPSDSP_H */ |
| 58 |