IltmmMediaInfo::get_StreamDuration
#include "ltmm.h"
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C Syntax |
HRESULT IltmmMediaInfo_get_StreamDuration(pMediaInfo, Duration) |
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C++ Syntax |
HRESULT get_StreamDuration(Duration) |
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IltmmMediaInfo *pMediaInfo; |
/* pointer to an interface */ |
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double *Duration; |
/* pointer to a variable */ |
Retrieves the duration of the current stream in the source media file, in seconds.
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Parameter |
Description |
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pMediaInfo |
Pointer to an IltmmMediaInfo Interface. |
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Duration |
Pointer to a variable to be updated with the duration of the current stream, in seconds. |
Returns
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S_OK |
The function was successful. |
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<> 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
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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
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++.