ref: 516916a8cd0ae7c8bff45d91ec720ae2484e3fae
dir: /libfaad/ssr.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. ** ** This program 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 General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** Any non-GPL usage of this software or parts of this software is strictly ** forbidden. ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. ** ** $Id: ssr.h,v 1.11 2003/12/17 14:43:16 menno Exp $ **/ #ifndef __SSR_H__ #define __SSR_H__ #ifdef __cplusplus extern "C" { #endif #define SSR_BANDS 4 #define PQFTAPS 96 void ssr_decode(ssr_info *ssr, fb_info *fb, uint8_t window_sequence, uint8_t window_shape, uint8_t window_shape_prev, real_t *freq_in, real_t *time_out, real_t *overlap, real_t ipqf_buffer[SSR_BANDS][96/4], real_t *prev_fmd, uint16_t frame_len); static void ssr_gain_control(ssr_info *ssr, real_t *data, real_t *output, real_t *overlap, real_t *prev_fmd, uint8_t band, uint8_t window_sequence, uint16_t frame_len); static void ssr_gc_function(ssr_info *ssr, real_t *prev_fmd, real_t *gc_function, uint8_t window_sequence, uint16_t frame_len); #ifdef __cplusplus } #endif #endif