yading@10: /*
yading@10:  * Copyright (c) 2012 Mans Rullgard
yading@10:  *
yading@10:  * This file is part of Libav.
yading@10:  *
yading@10:  * Libav is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * Libav is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with Libav; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef LIBAVCODEC_AACPSDSP_H
yading@10: #define LIBAVCODEC_AACPSDSP_H
yading@10: 
yading@10: #define PS_QMF_TIME_SLOTS 32
yading@10: #define PS_AP_LINKS 3
yading@10: #define PS_MAX_AP_DELAY 5
yading@10: 
yading@10: typedef struct PSDSPContext {
yading@10:     void (*add_squares)(float *dst, const float (*src)[2], int n);
yading@10:     void (*mul_pair_single)(float (*dst)[2], float (*src0)[2], float *src1,
yading@10:                             int n);
yading@10:     void (*hybrid_analysis)(float (*out)[2], float (*in)[2],
yading@10:                             const float (*filter)[8][2],
yading@10:                             int stride, int n);
yading@10:     void (*hybrid_analysis_ileave)(float (*out)[32][2], float L[2][38][64],
yading@10:                                    int i, int len);
yading@10:     void (*hybrid_synthesis_deint)(float out[2][38][64], float (*in)[32][2],
yading@10:                                    int i, int len);
yading@10:     void (*decorrelate)(float (*out)[2], float (*delay)[2],
yading@10:                         float (*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2],
yading@10:                         const float phi_fract[2], float (*Q_fract)[2],
yading@10:                         const float *transient_gain,
yading@10:                         float g_decay_slope,
yading@10:                         int len);
yading@10:     void (*stereo_interpolate[2])(float (*l)[2], float (*r)[2],
yading@10:                                   float h[2][4], float h_step[2][4],
yading@10:                                   int len);
yading@10: } PSDSPContext;
yading@10: 
yading@10: void ff_psdsp_init(PSDSPContext *s);
yading@10: void ff_psdsp_init_arm(PSDSPContext *s);
yading@10: void ff_psdsp_init_mips(PSDSPContext *s);
yading@10: 
yading@10: #endif /* LIBAVCODEC_AACPSDSP_H */