www.pudn.com > MPlayer0623.zip > AlexfMixer.h

////////////////////////////////////////////////////////////////////// 
// AlexfMixer.h: interface for the CAlexfMixer class. 
// CAlexfMixer - simple mixer control wrapper 
// Copyright (C) Alexander Fedorov 1999 
// You may do whatever you want with this code, as long as you include this 
// copyright notice in your implementation files. 
// If you wish to add new classes to this collection, feel free to do so. 
// But please send me your code so that I can update the collection. 
// Comments and bug reports: lamer2000@usa.net 
////////////////////////////////////////////////////////////////////// 
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////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_ALEXFMIXER_H__4FC2F321_07F3_11D3_9864_CB4A97E7D6CA__INCLUDED_) 
#define AFX_ALEXFMIXER_H__4FC2F321_07F3_11D3_9864_CB4A97E7D6CA__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include  
 
// Thanks to Langis Pitre 
#define NO_SOURCE ((MIXERLINE_COMPONENTTYPE_SRC_LAST + 1)) 
 
class CAlexfMixer 
{ 
protected: 
	HMIXER m_HMixer; 
	INT m_iMixerControlID; 
	MMRESULT mmr; 
	DWORD m_dwChannels; 
	BOOL m_bSuccess; 
	void ZeroAll(); 
public: 
	BOOL IsOk() {return m_bSuccess;}; 
	BOOL On(); 
	BOOL Off(); 
	DWORD GetControlValue(); 
	BOOL SetControlValue(DWORD dw); 
	CAlexfMixer(DWORD DstType, DWORD SrcType, DWORD ControlType); 
	CAlexfMixer(HWND hwnd, DWORD DstType, DWORD SrcType, DWORD ControlType); 
	virtual ~CAlexfMixer(); 
}; 
 
#endif // !defined(AFX_ALEXFMIXER_H__4FC2F321_07F3_11D3_9864_CB4A97E7D6CA__INCLUDED_)