Objects (Visual Basic)

The Windows Media Encoder SDK provides the following interfaces to configure and operate an encoding application, and capture multimedia streams from files or devices.

Object	Description
IWMDRMAttributes	Manages a collection of user-defined attributes to provide information in protected content.
IWMDRMContentAuthor	Allows you to create and manage DRM profiles, which are used for protecting content.
IWMDRMProfile	Specifies and retrieves properties for the current DRM profile.
IWMDRMProfileCollection	Enumerates the DRM profiles that are available to an encoding session. DRM profiles are used for protecting content.
IWMEncAttributes	Manages a collection of name-value pairs created by the content author to provide extra information about the encoding session.
IWMEncAudienceObj	Specifies and retrieves information about the audio and video settings, such as bit rate, codecs, and other settings.
IWMEncAudioSource	Manages audio settings, such as duration, two-pass encoding, and speech optimization.
IWMEncBroadcast	Manages the port number used for broadcasting from the encoding computer.
IWMEncContentAnalyzer	Provides a recommendation for the type of optimization to apply to video.
IWMEncDataViewCollection	Manages a collection of objects used to display a stream, such as preview and postview objects.
IWMEncDeviceControl	Retrieves a device control plug-in, and specifies and retrieves its name and scheme.
IWMEncDeviceControlCollection	Manages a collection of device control plug-ins, which allow you to control external devices.
IWMEncDeviceControlPlugin	Manages information about an external device such as the tape position, the postroll and preroll settings, and state information.
IWMEncDeviceControlPluginInfoManager	Searches the plug-in registration information to populate a collection of device control IWMEncPluginInfo objects.
IWMEncDisplayInfo	Manages information about the content being encoded, such as the name of the author, the copyright date, the title and rating of the content, and descriptive text.
IWMEncEditDecisionData	Manages the properties of each edit decision list (EDL) entry, including the mark-in and mark-out times.
IWMEncFile	Manages the name of the file used for saving encoded content.
IWMEncFile2	Manages the duration and size of a file used for saving encoded content.
IWMEncFileArchiveStats	Retrieves the size and the duration of the file used for saving encoded content.
IWMEncFileSet	Manages data groups used for streaming HTML content.
IWMEncFileTransferSource	Manages a collection of data groups used for streaming HTML content.
IWMEncIndexerStats	Monitors the indexing process.
IWMEncInputCollection	Contains a collection of TV inputs for use with a TV tuner card.
IWMEncNetConnectionStats	Retrieves information about the clients connected to the encoding computer.
IWMEncNetConnectionStats2	Retrieves information about the computer hosting a broadcast.
IWMEncoderNamesCollection	Contains a collection of string names that identify instances of computers running an encoding application.
IWMEncOutputStats	Retrieves general status information about the encoding session.
IWMEncOutputStats2	Retrieves status information about the sample drop rates during an encoding session.
IWMEncPluginInfo	Retrieves information about plug-ins.
IWMEncPostViewCollection	Manages a collection of objects that can be used to display streams after compression and decompression.
IWMEncProfile	Retrieves descriptive information about the profile associated with the active source group.
IWMEncProfileCollection	Enumerates the profiles that are available to an encoding session.
IWMEncPushDistribution	Manages the process of pushing a broadcast to a Windows Media server.
IWMEncPushDistributionStats	Retrieves status information about a push broadcast.
IWMEncSource	Defines the source of a multimedia stream.
IWMEncSourceGroup	Manages a group of source streams.
IWMEncSourceGroup2	Manages a group of source streams, including device controls.
IWMEncSourceGroupCollection	Manages the collection of source groups that are available during an encoding session.
IWMEncSourcePluginInfoManager	Enumerates the available source plug-ins.
IWMEncStatistics	Retrieves status information about the encoding session.
IWMEncStatistics2	Retrieves status information about the encoding session including information about a push broadcast.
IWMEncTransform	Specifies and retrieves transform plug-ins.
IWMEncTransformCollection	Manages the collection of transform plug-ins used during the current encoding session.
IWMEncTransformPluginInfoManager	Enumerates the available transform plug-ins.
IWMEncVideoSource	Crops the edges of a video image, and specifies the pixel format and video optimization.
IWMEncVideoSource2	Manages additional settings for video sources, including live video images and input from TV tuner cards.
IWMEncWatermarkCollection	Manages a collection of watermark items, which are used to add information to a stream.
MSPropShell	Manages property page objects.
WMEncAgentLocator	Creates a WMEncoderAgent object on a remote computer to facilitate a remote connection for developers using scripting languages.
WMEncBasicEdit	Performs post-processing operations on Windows Media files.
WMEncDataView	Allows you to configure the display settings of the stream, and start or stop the rendering process.
WMEncEditDecisionList	Manages a collection of entries for an edit decision list (EDL).
WMEncoder	Operates the encoding process.
WMEncoderAgent	Enumerates the instances of encoding applications and creates WMEncoderApp objects.
WMEncoderApp	Displays the user interface from Windows Media Encoder.
WMEncPrePreview	Displays the video input from a capture device before encoding begins.
WMEncProfile2	Customizes all the aspects of a profile and saves them.
WMEncProfileManager	Creates an instance of the Profile Manager and Profile Editor to edit and create profiles.
WMEncStreamEdit	Splits and recombines streams from Windows Media files to create new files.

See Also

• Interfaces (C#)
• Interfaces (C++)
• Programming Reference