IMediaObject::GetInputStreamInfo (Compact 2013)

3/26/2014

This method retrieves information about an input stream, such as any restrictions on the number of samples per buffer, and whether the stream performs a lookahead on the input data. This information never changes.

Syntax

HRESULT GetInputStreamInfo(
  DWORD dwInputStreamIndex,
  DWORD* pdwFlags
);

Parameters

• dwInputStreamIndex
  Zero-based index of an input stream on the DMO.

• pdwFlags
  [out] Pointer to a variable that receives a bitwise combination of zero or more DMO_INPUT_STREAM_INFO_FLAGS flags.

Return Value

Returns an HRESULT value. Possible values include the following.

Remarks

The DMO_INPUT_STREAMF_HOLDS_BUFFERS flag indicates that the DMO performs a lookahead on the incoming data.

The application must be sure to allocate sufficient buffers for the DMO to process the input. Call the IMediaObject::GetInputSizeInfo method to determine the buffer requirements.

Requirements

See Also

Reference

IMediaObject
IMediaObject::GetInputSizeInfo
DMO_INPUT_STREAM_INFO_FLAGS
DMO_INPUT_STREAM_INFO_FLAGS