IWMReaderAdvanced::GetMaxOutputSampleSize method

The GetMaxOutputSampleSize method retrieves the maximum buffer size to be allocated for output samples for a specified media stream.

Syntax

HRESULT GetMaxOutputSampleSize(
  DWORD dwOutput,
  DWORD *pcbMax
);

dwOutput

DWORD specifying the output media stream.

pcbMax

Pointer to the maximum buffer size to be allocated.

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
ASF_E_INVALIDSTATE	No file has been opened for the sample.
E_INVALIDARG	dwOutput specifies the wrong output or pcbMax is a NULL pointer.


Minimum supported client	Windows 2000 Professional [desktop apps only],Windows Media Format 7 SDK, or later versions of the SDK
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	wmsdkidl.h (include Wmsdk.h)
Library	Wmvcore.lib; WMStubDRM.lib (if you use DRM)