svcore
1.9
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 Sonic Visualiser 00005 An audio file viewer and annotation editor. 00006 Centre for Digital Music, Queen Mary, University of London. 00007 This file copyright 2006 Chris Cannam. 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License as 00011 published by the Free Software Foundation; either version 2 of the 00012 License, or (at your option) any later version. See the file 00013 COPYING included with this distribution for more information. 00014 */ 00015 00016 #ifndef _WAV_FILE_WRITER_H_ 00017 #define _WAV_FILE_WRITER_H_ 00018 00019 #include <QString> 00020 00021 #include <sndfile.h> 00022 00023 class DenseTimeValueModel; 00024 class MultiSelection; 00025 class TempWriteFile; 00026 00027 class WavFileWriter 00028 { 00029 public: 00042 enum FileWriteMode { 00043 WriteToTemporary, 00044 WriteToTarget 00045 }; 00046 00047 WavFileWriter(QString path, int sampleRate, int channels, 00048 FileWriteMode mode); 00049 virtual ~WavFileWriter(); 00050 00051 bool isOK() const; 00052 00053 virtual QString getError() const; 00054 00055 QString getPath() const { return m_path; } 00056 00057 bool writeModel(DenseTimeValueModel *source, 00058 MultiSelection *selection = 0); 00059 00060 bool writeSamples(float **samples, int count); // count per channel 00061 00062 bool close(); 00063 00064 protected: 00065 QString m_path; 00066 int m_sampleRate; 00067 int m_channels; 00068 TempWriteFile *m_temp; 00069 SNDFILE *m_file; 00070 QString m_error; 00071 00072 QString getWriteFilename() const; 00073 }; 00074 00075 00076 #endif