ref: 6823e6610c9af1b0080cb22b9da03efb208d7d57
dir: /libfaad/sbr_qmf.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003-2005 M. Bakker, Nero 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. ** ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Nero AG through [email protected]. ** ** $Id: sbr_qmf.h,v 1.25 2007/11/01 12:33:36 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[MAX_NTSRHFG][64], uint8_t offset, uint8_t kx); void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], real_t *output); void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64], real_t *output); #ifdef __cplusplus } #endif #endif