/* ** 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: sbr_qmf.h,v 1.7 2003/09/22 13:15:38 menno Exp $ **/ #ifndef __SBR_QMF_H__ #define __SBR_QMF_H__ #ifdef __cplusplus extern "C" { #endif qmfa_info *qmfa_init(uint8_t channels); void qmfa_end(qmfa_info *qmfa); qmfs_info *qmfs_init(uint8_t channels); void qmfs_end(qmfs_info *qmfs); void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input, qmf_t *X, uint8_t offset, uint8_t kx); void sbr_qmf_analysis_64(qmfa_info *qmfa, const real_t *input, qmf_t *X, uint8_t maxband, uint8_t offset); void sbr_qmf_synthesis_32(qmfs_info *qmfs, const qmf_t *X, real_t *output); void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, const qmf_t *X, real_t *output); #ifdef __cplusplus } #endif #endif