FileIO.h

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//
//  FileIO.h -- IO using a sound file for writing data to sound files
//  See the copyright notice and acknowledgment of authors in the file COPYRIGHT
//

#ifndef CSL_FileIO_H
#define CSL_FileIO_H

#include "CSL_Includes.h"
#include "ThreadUtilities.h"            // PThread utilities

                                        // what to call the output by default
#define DEFAULT_SND_FILE_NAME "csl_out.aiff"

namespace csl {


class FileIO : public IO {
public:
    FileIO(char *path = DEFAULT_SND_FILE_NAME);
    ~FileIO();

    bool mIsPlaying;                    
    bool mIsThreadRunning;              
    unsigned mDuration;                 
    void open() throw(CException);
    void start(float seconds = 0) throw(CException);
    void stop() throw(CException);
    void close() throw(CException);
    void test() throw(CException) { };  

    Buffer & getInput() throw(CException) { return mInBuffer; };
    Buffer & getInput(unsigned numFrames, unsigned numChannels) throw(CException) { return mInBuffer; };

protected:
    char *mPath;                        // the output file name
    SoundFile mFile;                    // the output sound file
    Thread *mThread;                    // the background thread
    static void *threadFunction(void *); // the background thread function

    Buffer mInBuffer;                   // buffer we use for input
    Buffer mOutBuffer;                  // buffer we use for output
    void writeNextBuffer();
};

}

#endif