IMediaStream::GetInformation (Windows Embedded CE 6.0)
1/6/2010
This method retrieves the stream's purpose ID and media type.
Syntax
HRESULT GetInformation(
MSPID* pPurposeId,
STREAM_TYPE* pType
);
Parameters
pPurposeId
[out] Pointer to an MSPID value that will contain the stream's purpose ID.If this parameter is NULL on entry, the method will not retrieve the purpose ID.
pType
[out] Pointer to a STREAM_TYPE enumerated data type value that will contain the stream's media type.If this parameter is NULL on entry, the method will not retrieve the media type.
Return Value
Returns S_OK if successful or E_POINTER if one of the parameters is invalid.
Remarks
The value retrieved in the pPurposeId parameter will usually be one of the following:
- MSPID_PrimaryVideo, which identifies the primary video stream
- MSPID_PrimaryAudio, which identifies the primary audio stream
You can define other values if necessary.
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |