Microsoft DirectX 9.0 SDK Update (October 2004) |
The GetFrequency method retrieves the frequency, in samples per second, at which the buffer is playing.
Syntax
HRESULT GetFrequency(
LPDWORD pdwFrequency
);
Parameters
pdwFrequency
Address of a variable that receives the frequency at which the audio buffer is being played, in hertz.
Return Values
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be one of the following error values:
Return code |
DSERR_CONTROLUNAVAIL |
DSERR_INVALIDPARAM |
DSERR_PRIOLEVELNEEDED |
Remarks
The frequency value for software buffers is in the range of DSBFREQUENCY_MIN to DSBFREQUENCY_MAX, defined in Dsound.h. Hardware buffers can return other values.
Requirements
Header: Dsound.h
Library: Dsound.dll
See Also