MediaPipeline (gb.media)

This class implements a GStreamer "pipeline".

A pipeline is a special container that provides its children a global clock and a message bus. This is the base class for the MediaPlayer control that implements a fully functional media player.

Свойства

Duration	Return the duration of the processed data in seconds.
Length	A synonymous for Duration.
Pos	This is a synonymous for the Position property.
Position	Return or set the current position inside the processed data in seconds.
Progress	Return the buffering progress.
Speed	Return or set the media playing speed rate.

Children	Return a virtual collection of all MediaContainer children.
Handle	Return the internal GStreamer handle associated with a MediaControl.
Inputs	Return the name of all inputs.
Name	Return or set the name of the MediaControl.
Outputs	Return the name of all outputs.
Parent	Return the parent of the control.
State	Return or define the state of the MediaControl.
Tag	Return or set the MediaControl tag.
Type	Return the type of the MediaControl.

Методы

Close	Close the pipeline, i.e. set its state and the state of all children to Null.
Forward	Move forward a specific number of frames.
Pause	Pause the pipeline, i.e. set its state and the state of all children to Paused.
Play	Start playing, i.e. set the state of the pipeline and all its children to Playing.
Seek	Move the stream to a specific position, following the constraints defined by the specified flags.
Stop	Stop the pipeline, i.e. set its state and the state of all its children to Ready.

AddInput	Choose an input of a child control that will act as an input for the container.
AddOutput	Choose an output of a child control that will act as an output for the container.
GetLastImage	Return the last image displayed by a video output control.
GetLink	Return the description of an input or output from its name.
LinkLaterTo	Link the current control to the Target control as soon as a new output appears on it.
LinkTo	Link an output of the current MediaControl to the input of the Target MediaControl.
SetWindow	This methods tells the MediaControl to draw its output inside a specific GUI control.

События

AboutToFinish	This event is raised when the current playing media is about to finish.
Buffering	This event is raised when the pipeline is buffering data.
Duration	Raised when the duration of a pipeline has changed.
End	Raised when the end of stream has been reached while playing.
Event	This event is raised when the Media object emits any internal event.
Message	Raised when a child control emits a message.
Position	This event is raised when the stream position changes.
Progress	This event is raised while the media is played, and until it is stopped.
Start	This event is raised when a new media starts playing.
Tag	Raised when some tags have been found.

State

This event is raised when the state of the control has changed.