IltmmMediaInfo::get_StreamDuration

#include "ltmm.h"

C Syntax

HRESULT IltmmMediaInfo_get_StreamDuration(pMediaInfo, Duration)

C++ Syntax

HRESULT get_StreamDuration(Duration)

 

IltmmMediaInfo *pMediaInfo;

/* pointer to an interface */

double *Duration;

/* pointer to a variable */

Retrieves the duration of the current stream in the source media file, in seconds.

Parameter

Description

pMediaInfo

Pointer to an IltmmMediaInfo Interface.

Duration

Pointer to a variable to be updated with the duration of the current stream, in seconds.

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

This function retrieves the duration of the current stream at normal playback speed. Changing the playback rate does not affect the duration.

To get the number of the current stream, call IltmmMediaInfo::get_CurrentStream.

To set the current stream, call IltmmMediaInfo::put_CurrentStream. Once the current stream has been set, information about that stream can be obtained by calling any of the following functions:

IltmmMediaInfo::get_StreamDuration

IltmmMediaInfo::get_StreamMediaType

IltmmMediaInfo::get_StreamSubtype

IltmmMediaInfo::get_StreamSubtypeName

IltmmMediaInfo::get_StreamType

IltmmMediaInfo::get_StreamTypeName

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.

See Also

Elements:

IltmmMediaInfo::put_CurrentStream, IltmmMediaInfo::get_CurrentStream, IltmmMediaInfo::get_StreamMediaType, IltmmMediaInfo::get_StreamSubtype, IltmmMediaInfo::get_StreamSubtypeName, IltmmMediaInfo::get_StreamType, IltmmMediaInfo::get_StreamTypeName, IltmmMediaInfo::get_OutputStreams, IltmmMediaInfo::get_SourceDuration

Topics:

Multimedia Function Group
Media File Information

Example

For a C example, refer to Retrieving Media File Information for C.

For a C++ example, refer to Retrieving Media File Information for C++.