Microsoft DirectX 9.0 |
The Initialize method initializes a full duplex object that was created by using CoCreateInstance.
Syntax
HRESULT Initialize(
LPCGUID pCaptureGuid,
LPCGUID pRenderGuid,
LPCDSCBUFFERDESC lpDscBufferDesc,
LPCDSBUFFERDESC lpDsBufferDesc,
HWND hWnd,
DWORD dwLevel,
LPLPDIRECTSOUNDCAPTUREBUFFER8 lplpDirectSoundCaptureBuffer8,
LPLPDIRECTSOUNDBUFFER8 lplpDirectSoundBuffer8
);
Parameters
pCaptureGuid
Address of the GUID that identifies the sound capture device for full duplex input. Must be one of the GUIDs returned by DirectSoundCaptureEnumerate, NULL for the default capture device, or one of the following values.
Value | Description |
DSDEVID_DefaultCapture | System-wide default audio capture device. |
DSDEVID_DefaultVoiceCapture | Default voice capture device. |
pRenderGuid
Address of the GUID that identifies the sound rendering device for full-duplex output. Must be one of the GUIDs returned by DirectSoundEnumerate, NULL for the default rendering device, or one of the following values:
Value | Description |
DSDEVID_DefaultPlayback | System-wide default audio playback device. |
DSDEVID_DefaultVoicePlayback | Default voice playback device. |
lpDscBufferDesc
Address of a DSCBUFFERDESC structure that specifies the characteristics of the capture buffer.
lpDsBufferDesc
Address of a DSBUFFERDESC structure that specifies the characteristics of the render buffer.
hWnd
Handle to the application window.
dwLevel
Cooperative level for the device. For more information, see IDirectSound8::SetCooperativeLevel.
lplpDirectSoundCaptureBuffer8
Address of a variable that receives the IDirectSoundCaptureBuffer8 interface of the capture buffer.
lplpDirectSoundBuffer8
Address of a variable that receives the IDirectSoundBuffer8 interface of the render buffer.
Return Values
If the method succeeds, the return value is DS_OK.
If it fails, the return value may be one of the following values:
Return code |
DSERR_ALREADYINITIALIZED |
DSERR_BADFORMAT |
DSERR_GENERIC |
DSERR_INVALIDPARAM |
DSERR_NODRIVER |
DSERR_OUTOFMEMORY |
DSERR_UNINITIALIZED |
Requirements
Header: Declared in dsound.h.
Operating System: Requires Microsoft Windows XP or later.
See Also