csoundmixer.h

手机游戏：Symbian S60俄罗斯方块（Tetris）的源代码

#ifndef __CSOUNDMIXER_H
#define __CSOUNDMIXER_H

#include "TSample.h"
#include "TAudioShared.h"

#include <E32Base.h>

class CSoundMixer : public CBase
{
// Construct and destruct
public:
	static CSoundMixer* NewL();
	~CSoundMixer();

private:
	CSoundMixer();
	void ConstructL();

/////////////////////////////////////////////////////////////////
// Other Method
public:
	void Pause();
	void Resume();
	void Play( const TSample& aSample, TInt aChannel, TInt aFrequency, TInt aVolume = 256 );
	void Stop( TInt aChannel );

	void SetVolume(TInt aVolume);
	TInt Volume();
private:
	void SendCmd(TMixerCmd aCmd);

////////////////////////////////////////////////////////////////
// Data
private:
	TAudioShared		iShared;		// shared data with mixer thread
	RThread				iMixerThread;	// handle to mixer thread
	TSample				iEmptySample;	// empty sample, used to stop channel
	TBool				iPaused;
};
#endif