IltmmMediaInfo::get_CurrentStream

#include "ltmm.h"

C Syntax

HRESULT IltmmMediaInfo_get_CurrentStream(pMediaInfo, pVal)

C++ Syntax

HRESULT get_CurrentStream(pVal)

IltmmMediaInfo *pMediaInfo;

pointer to an interface

long *pVal;

pointer to a variable

Retrieves the number of the current stream for the media file.

Parameter

Description

pMediaInfo

Pointer to an IltmmMediaInfo Interface.

pVal

Pointer to a variable to be updated with the number of the current stream. The stream number is zero-based.

Returns

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

The current stream is the stream for which the following functions obtain information:

IltmmMediaInfo::get_StreamDuration

IltmmMediaInfo::get_StreamMediaType

IltmmMediaInfo::get_StreamSubtype

IltmmMediaInfo::get_StreamSubtypeName

IltmmMediaInfo::get_StreamType

IltmmMediaInfo::get_StreamTypeName

To set the current stream, call IltmmMediaInfo::put_CurrentStream.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

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