/*

File:DCAudioFileRecorder.h

Abstract: simple audio-in recorder

Version: 1.1

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*/ 

#ifndef _DCAudioFileRecorder_H_

#define _DCAudioFileRecorder_H_

#include <Carbon/Carbon.h>

#include <AudioUnit/AudioUnit.h>

#include <AudioToolbox/AudioToolbox.h>

class DCAudioFileRecorder

{

public:

    DCAudioFileRecorder();

    virtual ~DCAudioFileRecorder();

    AudioBufferList *AllocateAudioBufferList(UInt32 numChannels, UInt32 size);

    void    DestroyAudioBufferList(AudioBufferList* list);

    OSStatus    ConfigureOutputFile(const FSRef inParentDirectory, const CFStringRef inFileName, AudioStreamBasicDescription *inASBD);

    OSStatus    ConfigureAU();

    OSStatus    Configure(const FSRef inParentDirectory, const CFStringRef inFileName, AudioStreamBasicDescription *inASBD);

    OSStatus    Start();

    OSStatus    Stop();

    AudioBufferList *fAudioBuffer;

    AudioUnit   fAudioUnit;

    ExtAudioFileRef fOutputAudioFile;

protected:

    static OSStatus AudioInputProc(void* inRefCon, AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList* ioData);

    AudioDeviceID   fInputDeviceID;

    UInt32  fAudioChannels, fAudioSamples;

    AudioStreamBasicDescription fOutputFormat, fDeviceFormat;

    FSRef fOutputDirectory;

};

#endif // _DCAudioFileRecorder_H_