IWMReaderAdvanced::GetMaxStreamSampleSize method

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  • Tiempo de lectura: 2 minutos

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

Syntax

HRESULT GetMaxStreamSampleSize(
  WORD  wStream,
  DWORD *pcbMax
);

Parameters

wStream

Stream number.

pcbMax

Pointer to the maximum buffer size to be allocated.

Return value

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 open for stream sample.
E_INVALIDARG
 wStream specifies the wrong stream or pcbMax is a NULL pointer.

Requirements

   
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)

See also

IWMReaderAdvanced Interface

IWMReaderAdvanced::GetAllocateForStream

IWMReaderAdvanced::GetMaxOutputSampleSize