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IltmmMediaInfo::get_StreamDuration

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaInfo_get_StreamDuration(pMediaInfo, pVal)
C++ Syntax	HRESULT get_StreamDuration(pVal)

IltmmMediaInfo *pMediaInfo;	pointer to an interface
double *pVal;	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.
pVal	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.

Platforms

Win32, x64

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++.

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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