IBitstreamProcessor::GetDMAChannel (Windows Embedded CE 6.0)

1/6/2010

This method retrieves the DMA channel by index.

Syntax

HRESULT GetDMAChannel(
  DWORD dwIndex,
  IDMAChannel** ppChannel
);

dwIndex
[in] Index of the channel to be retrieved. This must be between 0 and the total number of channels retrieved by IBitstreamProcessor::GetDMAChannelCount.

The following table shows a list of possible return values.

Return value	Description
S_OK	The request completed successfully.
E_INVALIDARG	A range check failed for the index.
E_UNEXPECTED	IBitstreamProcessor::SetBitstreamType did not succeed yet.
E_POINTER	An invalid argument pointer has been encountered.
E_FAIL	A generic failure to get IDMAChannel occurred.

IBitstreamProcessor::SetBitstreamType should succeed before calling this method.

The current version of DVD navigator requires DMA channel 0 to accept a full DVD stream.

Header	dvddrvr.idl
Windows Embedded CE	Windows CE .NET 4.0 and later