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diff --git a/audio_codec/libfaad/sbr_qmf.h b/audio_codec/libfaad/sbr_qmf.h new file mode 100644 index 0000000..b4b8a8b --- a/dev/null +++ b/audio_codec/libfaad/sbr_qmf.h @@ -0,0 +1,55 @@ +/* +** 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 Mpeg4AAClicense@nero.com. +** +** $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 + |