pa_win_wdmks_utils.h File Reference

Utilities for working with the Windows WDM KS API. More...

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Functions
int	PaWin_WDMKS_QueryFilterMaximumChannelCount (void *wcharDevicePath, int isInput)

Detailed Description

Utilities for working with the Windows WDM KS API.

Function Documentation

int PaWin_WDMKS_QueryFilterMaximumChannelCount	(	void *	wcharDevicePath,
		int	isInput
	)

Query for the maximum number of channels supported by any pin of the specified device. Returns 0 if the query fails for any reason.

Parameters

wcharDevicePath	A system level PnP interface path, supplied as a WCHAR unicode string. Declared as void* to avoid introducing a dependency on wchar_t here.
isInput	A flag specifying whether to query for input (non-zero) or output (zero) channels.

References HANDLE(), pa_IS_VALID_WAVEFORMATEX_GUID, paNoError, and PaUtil_FreeMemory().