Chris@148: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@148: 
Chris@148: /*
Chris@148:     Sonic Visualiser
Chris@148:     An audio file viewer and annotation editor.
Chris@148:     Centre for Digital Music, Queen Mary, University of London.
Chris@148:     This file copyright 2006 Chris Cannam.
Chris@148:     
Chris@148:     This program is free software; you can redistribute it and/or
Chris@148:     modify it under the terms of the GNU General Public License as
Chris@148:     published by the Free Software Foundation; either version 2 of the
Chris@148:     License, or (at your option) any later version.  See the file
Chris@148:     COPYING included with this distribution for more information.
Chris@148: */
Chris@148: 
Chris@148: #ifndef _MP3_FILE_READER_H_
Chris@148: #define _MP3_FILE_READER_H_
Chris@148: 
Chris@148: #ifdef HAVE_MAD
Chris@148: 
Chris@148: #include "CodedAudioFileReader.h"
Chris@148: 
Chris@148: #include <mad.h>
Chris@148: 
Chris@148: class QProgressDialog;
Chris@148: 
Chris@148: class MP3FileReader : public CodedAudioFileReader
Chris@148: {
Chris@148: public:
Chris@148:     MP3FileReader(QString path, bool showProgress, CacheMode cacheMode);
Chris@148:     virtual ~MP3FileReader();
Chris@148: 
Chris@148:     virtual QString getError() const { return m_error; }
Chris@148:     
Chris@148: protected:
Chris@148:     QString m_path;
Chris@148:     QString m_error;
Chris@148:     size_t m_fileSize;
Chris@148:     double m_bitrateNum;
Chris@148:     size_t m_bitrateDenom;
Chris@148: 
Chris@148:     QProgressDialog *m_progress;
Chris@148:     bool m_cancelled;
Chris@148: 
Chris@148:     struct DecoderData
Chris@148:     {
Chris@148: 	unsigned char const *start;
Chris@148: 	unsigned long length;
Chris@148: 	MP3FileReader *reader;
Chris@148:     };
Chris@148: 
Chris@148:     bool decode(void *mm, size_t sz);
Chris@148:     enum mad_flow accept(struct mad_header const *, struct mad_pcm *);
Chris@148: 
Chris@148:     static enum mad_flow input(void *, struct mad_stream *);
Chris@148:     static enum mad_flow output(void *, struct mad_header const *, struct mad_pcm *);
Chris@148:     static enum mad_flow error(void *, struct mad_stream *, struct mad_frame *);
Chris@148: };
Chris@148: 
Chris@148: #endif
Chris@148: 
Chris@148: #endif