In This Topic ▼

IltmmWMProfile::CreateNewStream

Summary

Creates a new stream configuration object that can be used to describe a media stream in the profile.

Syntax

#include "ltmm.h"

Language	Syntax
C	HRESULT IltmmWMProfile_CreateNewStream(pProfile, StreamType, pVal)
C++	HRESULT CreateNewStream(StreamType, pVal)

Parameters

BSTR StreamType

A CLSID string specifying the requested stream type GUID. Possible values are:

Value	Meaning
ltmmMEDIATYPE_Video	Video stream
ltmmMEDIATYPE_Audio	Audio stream
ltmmMEDIATYPE_Text	Script stream

IltmmWMStreamConfig **pVal

Pointer to a variable to be updated with a pointer to an IltmmWMStreamConfig interface. This interface references the newly created stream configuration object.

Returns

Value	Meaning
S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

For more information on the support media types, refer to section of Formats, Media Types and Media Subtypes.

If IltmmWMProfile::CreateNewStream succeeds, the caller must free the retrieved interface by calling its Release method.

Please note that creating a new stream does not automatically add it to the profile. The new stream must be created using [IltmmWMProfile:CreateNewStream, and then configured using the IltmmWMStreamConfig interface. The configured stream must then be added to the profile using IltmmWMProfile::AddStream.

For more information, refer to the Microsoft documentation for IWMProfile::CreateNewStream.