www.pudn.com > MouseVoice.rar > Wave.cpp

// Wave.cpp 
 
 
#include "stdafx.h" 
#include "Wave.h" 
 
CWave::CWave() 
{ 
 
	InitVars(); 
 
} 
 
CWave::CWave( const char *lpszFilename ) 
{ 
 
	InitVars(); 
	Load( lpszFilename ); 
 
} 
 
CWave::CWave( const char *lpszResID, HINSTANCE hInstance ) 
{ 
 
	InitVars(); 
	Load( lpszResID, hInstance ); 
 
} 
 
CWave::CWave( int nResID, HINSTANCE hInstance ) 
{ 
 
	InitVars(); 
	Load( nResID, hInstance ); 
 
} 
 
void CWave::InitVars( void ) 
{ 
 
	m_bLoaded = FALSE; 
	m_lpSoundData = NULL; 
	m_hResHandle = NULL; 
	m_nDevices = waveOutGetNumDevs(); 
 
} 
 
CWave::~CWave() 
{ 
 
	Close(); 
 
} 
 
int CWave::DeviceCount( void ) 
{ 
 
	return( m_nDevices ); 
 
} 
 
BOOL CWave::IsLoaded( void ) 
{ 
 
	return( m_bLoaded ); 
 
} 
 
BOOL CWave::Load( const char *lpszFilename ) 
{ 
 
	Close(); 
 
	CFile File; 
	if( !File.Open( lpszFilename, CFile::modeRead ) ) 
		return( FALSE ); 
 
	DWORD dwFileLength = File.GetLength(); 
	m_lpSoundData = new char [dwFileLength]; 
	if( m_lpSoundData == NULL ) 
		return( FALSE ); 
 
	if( File.Read( m_lpSoundData, dwFileLength ) 
		!= dwFileLength ) 
		return( FALSE ); 
 
	m_bLoaded = TRUE; 
 
	return( TRUE ); 
 
} 
 
BOOL CWave::Load( const char *lpszResID, HINSTANCE hInstance ) 
{ 
 
	Close(); 
 
	HANDLE hResInfo; 
	hResInfo = FindResource ( hInstance, lpszResID, "WAVE" ); 
	if( hResInfo == NULL ) 
		return( FALSE ); 
 
	m_hResHandle = LoadResource( hInstance, (HRSRC) hResInfo ); 
	if( m_hResHandle == NULL ) 
		return( FALSE ); 
 
	m_lpSoundData = (char *) LockResource( m_hResHandle ); 
	if( m_lpSoundData == NULL ) 
		return( FALSE ); 
 
	m_bLoaded = TRUE; 
 
	return( TRUE ); 
 
} 
 
BOOL CWave::Load( int nResID, HINSTANCE hInstance ) 
{ 
 
	Close(); 
 
	HANDLE hResInfo; 
	hResInfo = FindResource ( hInstance, 
		MAKEINTRESOURCE( nResID ), "WAVE" ); 
	if( hResInfo == NULL ) 
		return( FALSE ); 
 
	m_hResHandle = LoadResource( hInstance, (HRSRC) hResInfo ); 
	if( m_hResHandle == NULL ) 
		return( FALSE ); 
 
	m_lpSoundData = (char *) LockResource( m_hResHandle ); 
	if( m_lpSoundData == NULL ) 
		return( FALSE ); 
 
	m_bLoaded = TRUE; 
 
	return( TRUE ); 
 
} 
 
BOOL CWave::Play( BOOL bLoop ) 
{ 
 
	if( !m_bLoaded ) 
		return( FALSE ); 
 
	Stop(); 
	 
	DWORD dwFlags = SND_MEMORY | SND_ASYNC | SND_NODEFAULT; 
	if( bLoop ) 
		dwFlags |= SND_LOOP; 
 
	return( PlaySound( m_lpSoundData, NULL, dwFlags ) ); 
 
} 
 
BOOL CWave::PlayFromDisk( const char *lpszFilename ) 
{ 
 
	Stop(); 
	 
	return( PlaySound( lpszFilename, NULL, 
		SND_FILENAME | SND_SYNC | SND_NODEFAULT ) ); 
 
} 
 
BOOL CWave::PlayFromRes( const char *lpszResID, 
						HINSTANCE hInstance ) 
{ 
 
	return( PlaySound( lpszResID, hInstance, 
		SND_RESOURCE | SND_SYNC | SND_NODEFAULT ) ); 
 
} 
 
BOOL CWave::PlayFromRes( int nResID, HINSTANCE hInstance ) 
{ 
 
	return( PlaySound( MAKEINTRESOURCE( nResID ), 
		hInstance, SND_RESOURCE | SND_SYNC | SND_NODEFAULT ) ); 
 
} 
 
BOOL CWave::Stop( void ) 
{ 
 
	return( PlaySound( NULL, NULL, NULL ) ); 
 
} 
 
BOOL CWave::Close( void ) 
{ 
 
	Stop(); 
 
	if( m_hResHandle  != NULL ){ 
		UnlockResource( m_hResHandle ); 
		FreeResource( m_hResHandle ); 
		} 
	else if( m_lpSoundData != NULL ) 
		delete [] m_lpSoundData; 
 
	m_hResHandle = NULL; 
	m_lpSoundData = NULL; 
 
	return( TRUE ); 
 
}