IAMExtendedSeeking interface

The IAMExtendedSeeking interface seeks to a marker in a Windows Media stream or changes the playback rate for a Windows Media file. This interface is implemented by the Windows Media Source filter and the WM ASF Reader filter.

Members

The IAMExtendedSeeking interface inherits from the IDispatch interface. IAMExtendedSeeking also has these types of members:

Methods

The IAMExtendedSeeking interface has these methods.

MethodDescription
get_CurrentMarker

Retrieves the current marker.

get_ExSeekCapabilities

Retrieves the extended seeking capabilities of the filter.

get_MarkerCount

Retrieves the number of markers in the current stream.

get_PlaybackSpeed

Retrieves the current playback speed.

GetMarkerName

Retrieves the name associated with the specified marker.

GetMarkerTime

Retrieves the presentation time associated with the specified marker.

put_PlaybackSpeed

Sets the playback speed.

 

Remarks

To define the interface identifier, include the header file Initguid.h before Qnetwork.h, but after Dshow.h and other header files:

#include <dshow.h>
#include <initguid.h>
#include <qnetwork.h>

Note  Make sure that Initguid.h is included only once in your project. Otherwise, you will receive linker errors for duplicate GUID values.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Qnetwork.h

See also

Interfaces

 

 

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