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IPMT::QueryMPEInfo

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Microsoft DirectShow 9.0

IPMT::QueryMPEInfo

The QueryMPEInfo method returns the multi-protocol encapsulation (MPE) information in the PMT, if any.

Syntax

  HRESULT QueryMPEInfo(
  MPE_ELEMENT**  ppMPEList,
  UINT*  puiCount
);

Parameters

ppMPEList

[out]  Address of a variable that receives a pointer to an array of MPE_ELEMENT structures. The client must free the array by calling the CoTaskMemFree function.

puiCount

[out]  Receives the number of elements returned in ppMPEList.

Return Values

The method returns an HRESULT. Possible values include those in the following table.

Return code Description
E_OUTOFMEMORY Insufficient memory.
E_POINTER NULL pointer argument.
MPEG2_E_MALFORMED_TABLE Malformed table.
MPEG2_S_MPE_INFO_FOUND MPE information was found in the PMT.
MPEG2_S_MPE_INFO_NOT_FOUND MPE information was not found in the PMT.

Remarks

If the method succeeds, it returns one of the two success codes listed in the previous table. It returns MPEG2_S_MPE_INFO_FOUND if the PMT contains MPE information, or MPEG2_S_MPE_INFO_NOT_FOUND if the PMT does not contain any MPE information.

Requirements

Header: Include Mpeg2PsiParser.h.

See Also