WAVEFILTER

The WAVEFILTER structure defines a filter for waveform-audio data. Only filter information common to all waveform-audio data filters is included in this structure. For filters that require additional information, this structure is included as the first member in another structure along with the additional information.

typedef struct { 
    DWORD cbStruct; 
    DWORD dwFilterTag; 
    DWORD fdwFilter; 
    DWORD dwReserved[5]; 
} WAVEFILTER; 
 

Members

cbStruct

Size, in bytes, of the WAVEFILTER structure. The size specified in this member must be large enough to contain the base WAVEFILTER structure.

dwFilterTag

Waveform-audio filter type. Filter tags are registered with Microsoft Corporation for various filter algorithms.

fdwFilter

Flags for the dwFilterTag member. The flags defined for this member are universal to all filters. Currently, no flags are defined.

dwReserved

Reserved for system use; should not be examined or modified by an application.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmreg.h.

See Also

Waveform Audio Overview, Waveform Structures