The GetOutputFormatCount method is used to determine all possible format types supported by this output on the synchronous reader.
HRESULT GetOutputFormatCount( DWORD dwOutputNum, DWORD *pcFormats );
DWORD containing the output number for which you want to determine the number of supported formats.
Pointer to a DWORD that receives the number of supported formats.
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
||The method succeeded.|
||pcFormats is NULL.|
||There is no file loaded in the synchronous reader.|
|Minimum supported client||Windows 2000 Professional [desktop apps only],Windows Media Format 9 Series SDK, or later versions of the SDK|
|Minimum supported server||Windows 2000 Server [desktop apps only]|
|Header||wmsdkidl.h (include Wmsdk.h)|
|Library||Wmvcore.lib; WMStubDRM.lib (if you use DRM)|