| /* |
| * Copyright (c) 2012 Mans Rullgard |
| * |
| * This file is part of Libav. |
| * |
| * Libav 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. |
| * |
| * Libav 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 Libav; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef LIBAVCODEC_AACPSDSP_H |
| #define LIBAVCODEC_AACPSDSP_H |
| |
| #define PS_QMF_TIME_SLOTS 32 |
| #define PS_AP_LINKS 3 |
| #define PS_MAX_AP_DELAY 5 |
| |
| typedef struct PSDSPContext { |
| void (*add_squares)(float *dst, const float (*src)[2], int n); |
| void (*mul_pair_single)(float (*dst)[2], float (*src0)[2], float *src1, |
| int n); |
| void (*hybrid_analysis)(float (*out)[2], float (*in)[2], |
| const float (*filter)[8][2], |
| int stride, int n); |
| void (*hybrid_analysis_ileave)(float (*out)[32][2], float L[2][38][64], |
| int i, int len); |
| void (*hybrid_synthesis_deint)(float out[2][38][64], float (*in)[32][2], |
| int i, int len); |
| void (*decorrelate)(float (*out)[2], float (*delay)[2], |
| float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2], |
| const float phi_fract[2], float (*Q_fract)[2], |
| const float *transient_gain, |
| float g_decay_slope, |
| int len); |
| void (*stereo_interpolate[2])(float (*l)[2], float (*r)[2], |
| float h[2][4], float h_step[2][4], |
| int len); |
| } PSDSPContext; |
| |
| void ff_psdsp_init(PSDSPContext *s); |
| void ff_psdsp_init_arm(PSDSPContext *s); |
| void ff_psdsp_init_mips(PSDSPContext *s); |
| |
| #endif /* LIBAVCODEC_AACPSDSP_H */ |