The IDirectSoundBuffer::GetFrequency method retrieves the frequency, in samples per second, at which the buffer is playing.
HRESULT GetFrequency(
LPDWORD lpdwFrequency
);
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:
DSERR_CONTROLUNAVAIL |
DSERR_INVALIDPARAM |
DSERR_PRIOLEVELNEEDED |
The frequency value will be in the range of DSBFREQUENCY_MIN to DSBFREQUENCY_MAX. These values are currently defined in Dsound.h as 100 and 100,000 respectively.
Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
Header: Declared in dsound.h.
Import Library: Use dsound.lib.