IWMCodecProps::GetCodecProp method (wmcodecdsp.h)
Retrieves a codec property specific to an output format.
HRESULT GetCodecProp( [in] DWORD dwFormat, [in] LPCWSTR pszName, [out] WMT_PROP_DATATYPE *pType, [out] BYTE *pValue, [in, out] DWORD *pdwSize );
The output format to which the property applies. Set this value to the FOURCC value of the desired video format.
Wide-character, null-terminated string containing the property name. The properties listed in the following table are supported only through the IWMCodecProps interface.
|Property name constant||Meaning|
||Retrieves the name of the codec that is associated with the format (or FOURCC). This is an alternative to the IWMCodecStrings interface.|
Retrieves the encoding modes supported by the codec. The value returned contains one or more of the following flags:
Address of a variable that receives the data type of the property value.
Address of the byte buffer that receives the property value.
[in, out] pdwSize
Pointer to the size of the value buffer, in bytes. If pValue is NULL, the method will set this value to the size required.
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
||The method succeeded.|
|Minimum supported client||Windows XP [desktop apps only]|
|Minimum supported server||Windows Server 2003 [desktop apps only]|