soundobj.h

Go to the documentation of this file.

/**********************************************************************
 *<
    FILE:  soundobj.h

    DESCRIPTION:  Sound plug-in object base class

    CREATED BY:  Rolf Berteig

    HISTORY: created 2 July 1995

 *> Copyright (c) 1994, All Rights Reserved.
 **********************************************************************/

#pragma once

#include "maxheap.h"
#include <WTypes.h>

#pragma warning(push) 
#pragma warning(disable:4201)
#include <vfw.h>
#pragma warning(pop) 

#include "interval.h"
#include "ref.h"
#include "plugapi.h"

#define I_WAVEPAINT 94

// A SoundObject implements this interface to let the TrackBar paint a waveform.
class IWavePaint: public MaxHeapOperators {
public:
    virtual void PaintWave(HDC hdc, RECT* rect, Interval i) = 0;
    };

class SoundObj : public ReferenceTarget {
    public:
        virtual SClass_ID SuperClassID() {return SClass_ID(SOUNDOBJ_CLASS_ID);}     

        virtual BOOL Play(TimeValue tStart,TimeValue t0,TimeValue t1,TimeValue frameStep)=0;
        virtual void Scrub(TimeValue t0,TimeValue t1)=0;
        virtual TimeValue Stop()=0;
        virtual TimeValue GetTime()=0;
        virtual BOOL Playing()=0;
        virtual void SaveSound(PAVIFILE pfile,TimeValue t0,TimeValue t1)=0;
        virtual void SetMute(BOOL mute)=0;
        virtual BOOL IsMute()=0;
    };


CoreExport SoundObj *NewDefaultSoundObj();