void COggDlg::Closeds()
{
// fade1=1;
if(m_dsb){
m_dsb->Stop();
if(m_dsb3d != NULL){m_dsb3d->Release();m_dsb3d =NULL;}
if(m_dsb != NULL){m_dsb->Release();m_dsb =NULL;}
}
}
BOOL COggDlg::ReleaseDXSound(void)
{
if(m_ds){
Closeds();
if(m_dsb3d != NULL){m_dsb3d->Release();m_dsb3d =NULL;}
if(m_dsb != NULL) {m_dsb->Release();m_dsb=NULL;}
if (m_dsb1 != NULL) { m_dsb1->Release(); m_dsb1 = NULL; }
if(m_lpDS3DBuffer != NULL){m_lpDS3DBuffer->Release();}
m_dsb =NULL;
m_lpDS3DBuffer= NULL;
if(m_p!=NULL){m_p->Release();m_p=NULL;}
if(m_ds){
m_ds->Release();
m_ds = NULL;
}
}
return TRUE;
}
//-----------------------------------------------------------------------------
// Name: SetObjectProperties()
// Desc: Sets the position and velocity on the 3D buffer
//-----------------------------------------------------------------------------
VOID SetObjectProperties( D3DVECTOR* pvPosition, D3DVECTOR* pvVelocity )
{
// Every change to 3-D sound buffer and listener settings causes
// DirectSound to remix, at the expense of CPU cycles.
// To minimize the performance impact of changing 3-D settings,
// use the DS3D_DEFERRED flag in the dwApply parameter of any of
// the IDirectSound3DListener or IDirectSound3DBuffer methods that
// change 3-D settings. Then call the IDirectSound3DListener::CommitDeferredSettings
// method to execute all of the deferred commands at once.
memcpy( &g_dsBufferParams.vPosition, pvPosition, sizeof(D3DVECTOR) );
memcpy( &g_dsBufferParams.vVelocity, pvVelocity, sizeof(D3DVECTOR) );
if( g_pDS3DBuffer )
g_pDS3DBuffer->SetAllParameters( &g_dsBufferParams, DS3D_IMMEDIATE );
}
//-----------------------------------------------------------------------------
// Получение интерфейса для трехмерного буфера
// на входе : buffer3d - указатель на звуковой буфер для которого нужно
// получить eax интерфейс
// на выходе : указатель на полученный интерфейс, в случае если значение
// равно 0 значит получение не состоялось.
//-----------------------------------------------------------------------------
LPKSPROPERTYSET eax_GetBuffer3DInterface(LPDIRECTSOUND3DBUFFER buffer3d)
{
LPKSPROPERTYSET prop;
// проверка наличия буфера
if (!buffer3d)
return 0;
// получение интерфейса
if (buffer3d->QueryInterface(IID_IKsPropertySet, (void * *) &prop) ==
DS_OK)
return prop;
// ошибка
return 0;
}
//-----------------------------------------------------------------------------
// Name: Set3DParameters()
// Desc: Set the 3D buffer parameters
//-----------------------------------------------------------------------------
VOID Set3DParameters( FLOAT fDopplerFactor, FLOAT fRolloffFactor,
FLOAT fMinDistance, FLOAT fMaxDistance )
{
// Every change to 3-D sound buffer and listener settings causes
// DirectSound to remix, at the expense of CPU cycles.
// To minimize the performance impact of changing 3-D settings,
// use the DS3D_DEFERRED flag in the dwApply parameter of any of
// the IDirectSound3DListener or IDirectSound3DBuffer methods that
// change 3-D settings. Then call the IDirectSound3DListener::CommitDeferredSettings
// method to execute all of the deferred commands at once.
DWORD dwApplyFlag = ( g_bDeferSettings ) ? DS3D_DEFERRED : DS3D_IMMEDIATE;
g_dsListenerParams.flDopplerFactor = fDopplerFactor;
g_dsListenerParams.flRolloffFactor = fRolloffFactor;
if( g_pDSListener )
g_pDSListener->SetAllParameters( &g_dsListenerParams, dwApplyFlag );
g_dsBufferParams.flMinDistance = fMinDistance;
g_dsBufferParams.flMaxDistance = fMaxDistance;
if( g_pDS3DBuffer )
g_pDS3DBuffer->SetAllParameters( &g_dsBufferParams, dwApplyFlag );
}
//-----------------------------------------------------------------------------
// Освобождение трехмерного интерфейса звукового буфера
// на входе : buffer - указатель на трехмерный интерфейс звукового буфера
// на выходе : *
//-----------------------------------------------------------------------------
void ds_Release3DInterface(LPDIRECTSOUND3DBUFFER buffer3d)
{
if (buffer3d)
buffer3d->Release();
}
//-----------------------------------------------------------------------------
// Name: OnOpenSoundFile()
// Desc: Called when the user requests to open a sound file
//-----------------------------------------------------------------------------
VOID OnOpenSoundFile( HWND hDlg )
{
GUID guid3DAlgorithm = GUID_NULL;
int nResult;
HRESULT hr;
static TCHAR strFileName[MAX_PATH] = TEXT("");
static TCHAR strPath[MAX_PATH] = TEXT("");
// Setup the OPENFILENAME structure
OPENFILENAME ofn = { sizeof(OPENFILENAME), hDlg, NULL,
TEXT("Wave Files\0*.wav\0All Files\0*.*\0\0"), NULL,
0, 1, strFileName, MAX_PATH, NULL, 0, strPath,
TEXT("Open Sound File"),
OFN_FILEMUSTEXIST|OFN_HIDEREADONLY, 0, 0,
TEXT(".wav"), 0, NULL, NULL };
// Get the default media path (something like C:\WINDOWS\MEDIA)
if( '\0' == strPath[0] )
{
GetWindowsDirectory( strPath, MAX_PATH );
if( strcmp( &strPath[strlen(strPath)], TEXT("\\") ) )
strcat( strPath, TEXT("\\") );
strcat( strPath, TEXT("MEDIA") );
}
if( g_pSound )
{
g_pSound->Stop();
g_pSound->Reset();
}
// Update the UI controls to show the sound as loading a file
EnableWindow( GetDlgItem( hDlg, IDC_PLAY ), FALSE);
EnableWindow( GetDlgItem( hDlg, IDC_STOP ), FALSE);
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Loading file...") );
// Stop the timer while dialogs are displayed
g_bAllowMovementTimer = FALSE;
// Display the OpenFileName dialog. Then, try to load the specified file
if( TRUE != GetOpenFileName( &ofn ) )
{
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Load aborted.") );
g_bAllowMovementTimer = TRUE;
return;
}
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
// Free any previous sound, and make a new one
SAFE_DELETE( g_pSound );
CWaveFile waveFile;
waveFile.Open( strFileName, NULL, WAVEFILE_READ );
WAVEFORMATEX* pwfx = waveFile.GetFormat();
if( pwfx == NULL )
{
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Invalid wave file format.") );
return;
}
if( pwfx->nChannels > 1 )
{
// Too many channels in wave. Sound must be mono when using DSBCAPS_CTRL3D
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Wave file must be mono for 3D control.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
if( pwfx->wFormatTag != WAVE_FORMAT_PCM )
{
// Sound must be PCM when using DSBCAPS_CTRL3D
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Wave file must be PCM for 3D control.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
// Get the software DirectSound3D emulation algorithm to use
// Ask the user for this sample, so display the algorithm dialog box.
nResult = (int)DialogBox( NULL, MAKEINTRESOURCE(IDD_3D_ALGORITHM),
NULL, AlgorithmDlgProc );
switch( nResult )
{
case -1: // User canceled dialog box
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Load aborted.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
case 0: // User selected DS3DALG_NO_VIRTUALIZATION
guid3DAlgorithm = DS3DALG_NO_VIRTUALIZATION;
break;
case 1: // User selected DS3DALG_HRTF_FULL
guid3DAlgorithm = DS3DALG_HRTF_FULL;
break;
case 2: // User selected DS3DALG_HRTF_LIGHT
guid3DAlgorithm = DS3DALG_HRTF_LIGHT;
break;
}
// Load the wave file into a DirectSound buffer
hr = g_pSoundManager->Create( &g_pSound, strFileName, DSBCAPS_CTRL3D, guid3DAlgorithm );
if( FAILED( hr ) || hr == DS_NO_VIRTUALIZATION )
{
DXTRACE_ERR_NOMSGBOX( TEXT("Create"), hr );
if( DS_NO_VIRTUALIZATION == hr )
{
MessageBox( hDlg, "The 3D virtualization algorithm requested is not supported under this "
"operating system. It is available only on Windows 2000, Windows ME, and Windows 98 with WDM "
"drivers and beyond. Creating buffer with no virtualization.",
"DirectSound Sample", MB_OK );
}
// Unknown error, but not a critical failure, so just update the status
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("Could not create sound buffer.") );
return;
}
// Get the 3D buffer from the secondary buffer
if( FAILED( hr = g_pSound->Get3DBufferInterface( 0, &g_pDS3DBuffer ) ) )
{
DXTRACE_ERR( TEXT("Get3DBufferInterface"), hr );
SetDlgItemText( hDlg, IDC_STATUS, TEXT("Could not get 3D buffer.") );
SetDlgItemText( hDlg, IDC_FILENAME, TEXT("") );
return;
}
// Get the 3D buffer parameters
g_dsBufferParams.dwSize = sizeof(DS3DBUFFER);
g_pDS3DBuffer->GetAllParameters( &g_dsBufferParams );
// Set new 3D buffer parameters
g_dsBufferParams.dwMode = DS3DMODE_HEADRELATIVE;
g_pDS3DBuffer->SetAllParameters( &g_dsBufferParams, DS3D_IMMEDIATE );
DSBCAPS dsbcaps;
ZeroMemory( &dsbcaps, sizeof(DSBCAPS) );
dsbcaps.dwSize = sizeof(DSBCAPS);
LPDIRECTSOUNDBUFFER pDSB = g_pSound->GetBuffer( 0 );
pDSB->GetCaps( &dsbcaps );
if( ( dsbcaps.dwFlags & DSBCAPS_LOCHARDWARE ) != 0 )
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File loaded using hardware mixing.") );
else
SetDlgItemText( hDlg, IDC_STATUS, TEXT("File loaded using software mixing.") );
// Update the UI controls to show the sound as the file is loaded
SetDlgItemText( hDlg, IDC_FILENAME, strFileName );
EnablePlayUI( hDlg, TRUE );
g_bAllowMovementTimer = TRUE;
// Remember the path for next time
strcpy( strPath, strFileName );
char* strLastSlash = strrchr( strPath, '\\' );
strLastSlash[0] = '\0';
// Set the slider positions
SetSlidersPos( hDlg, 0.0f, 0.0f, ORBIT_MAX_RADIUS, ORBIT_MAX_RADIUS*2.0f );
OnSliderChanged( hDlg );
}
