lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _MP3_FILE_READER_H_
lbajardsilogic@0: #define _MP3_FILE_READER_H_
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef HAVE_MAD
lbajardsilogic@0: 
lbajardsilogic@0: #include "CodedAudioFileReader.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <mad.h>
lbajardsilogic@0: 
lbajardsilogic@0: #include <set>
lbajardsilogic@0: 
lbajardsilogic@0: class QProgressDialog;
lbajardsilogic@0: 
lbajardsilogic@0: class MP3FileReader : public CodedAudioFileReader
lbajardsilogic@0: {
lbajardsilogic@0: public:
lbajardsilogic@0:     MP3FileReader(QString path, bool showProgress, CacheMode cacheMode);
lbajardsilogic@0:     virtual ~MP3FileReader();
lbajardsilogic@0: 
lbajardsilogic@0:     virtual QString getError() const { return m_error; }
lbajardsilogic@0: 
lbajardsilogic@0:     static void getSupportedExtensions(std::set<QString> &extensions);
lbajardsilogic@0:     
lbajardsilogic@0: protected:
lbajardsilogic@0:     QString m_path;
lbajardsilogic@0:     QString m_error;
lbajardsilogic@0:     size_t m_fileSize;
lbajardsilogic@0:     double m_bitrateNum;
lbajardsilogic@0:     size_t m_bitrateDenom;
lbajardsilogic@0: 
lbajardsilogic@0:     QProgressDialog *m_progress;
lbajardsilogic@0:     bool m_cancelled;
lbajardsilogic@0: 
lbajardsilogic@0:     struct DecoderData
lbajardsilogic@0:     {
lbajardsilogic@0: 	unsigned char const *start;
lbajardsilogic@0: 	unsigned long length;
lbajardsilogic@0: 	MP3FileReader *reader;
lbajardsilogic@0:     };
lbajardsilogic@0: 
lbajardsilogic@0:     bool decode(void *mm, size_t sz);
lbajardsilogic@0:     enum mad_flow accept(struct mad_header const *, struct mad_pcm *);
lbajardsilogic@0: 
lbajardsilogic@0:     static enum mad_flow input(void *, struct mad_stream *);
lbajardsilogic@0:     static enum mad_flow output(void *, struct mad_header const *, struct mad_pcm *);
lbajardsilogic@0:     static enum mad_flow error(void *, struct mad_stream *, struct mad_frame *);
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: #endif