WavFileWriter.h

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef SV_WAV_FILE_WRITER_H
#define SV_WAV_FILE_WRITER_H

#include <QString>

#ifdef Q_OS_WIN
#include <windows.h>
#define ENABLE_SNDFILE_WINDOWS_PROTOTYPES 1
#endif

#include <sndfile.h>

#include "base/BaseTypes.h"

class DenseTimeValueModel;
class MultiSelection;
class TempWriteFile;

class WavFileWriter
{
public:
    enum FileWriteMode {
        WriteToTemporary,
        WriteToTarget
    };

    WavFileWriter(QString path, sv_samplerate_t sampleRate, int channels,
                  FileWriteMode mode);
    virtual ~WavFileWriter();

    bool isOK() const;

    virtual QString getError() const;

    QString getPath() const { return m_path; }

    bool writeModel(DenseTimeValueModel *source,
                    MultiSelection *selection = 0);

    bool writeSamples(const float *const *samples, sv_frame_t count);

    bool putInterleavedFrames(const floatvec_t &frames);

    bool close();

protected:
    QString m_path;
    sv_samplerate_t m_sampleRate;
    int m_channels;
    TempWriteFile *m_temp;
    SNDFILE *m_file;
    QString m_error;

    QString getWriteFilename() const;
};


#endif