| Microsoft DirectX 8.1 (C++) |
The GetCaps method retrieves the capabilities of the hardware device that is represented by the DirectSound object.
Syntax
HRESULT GetCaps(
LPDSCAPS pDSCaps
);
Parameters
pDSCaps
Address of a DSCAPS structure that receives the capabilities of this sound device.
Return Values
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be one of the error values shown in the following table.
| Return code |
| DSERR_GENERIC |
| DSERR_INVALIDPARAM |
| DSERR_UNINITIALIZED |
Remarks
Information retrieved in the DSCAPS structure describes the maximum capabilities of the sound device and those currently available, such as the number of hardware mixing channels and the amount of on-board sound memory. You can use this information to fine-tune performance and optimize resource allocation.
Because of resource-sharing requirements, the maximum capabilities in one area might be available only at the cost of another area.
Requirements
Header: Declared in dsound.h.
See Also