VideoFrameProcessor.Listener

Kotlin |Java

public interface VideoFrameProcessor.Listener

Listener for asynchronous frame processing events.

All listener methods must be called from the Executor passed in at creation.

Summary

Public methods
`default void`	`onEnded()` Called after the `VideoFrameProcessor` has rendered its final output frame.
`default void`	`onError(VideoFrameProcessingException exception)` Called when an exception occurs during asynchronous video frame processing.
`default void`	`onInputStreamRegistered( @VideoFrameProcessor.InputType int inputType, Format format, List<Effect> effects )` Called when the `VideoFrameProcessor` finishes `registering an input stream`.
`default void`	`onOutputFrameAvailableForRendering( long presentationTimeUs, boolean isRedrawnFrame )` Called when an output frame with the given `presentationTimeUs` becomes available for rendering.
`default void`	`onOutputFrameRateChanged(float frameRate)` Called when the output frame rate changes.
`default void`	`onOutputSizeChanged(int width, int height)` Called when the output size changes.

default void onEnded()

Called after the VideoFrameProcessor has rendered its final output frame.

default void onError(VideoFrameProcessingException exception)

Called when an exception occurs during asynchronous video frame processing.

If this is called, the calling VideoFrameProcessor must immediately be released.

default void onInputStreamRegistered(
    @VideoFrameProcessor.InputType int inputType,
    Format format,
    List<Effect> effects
)

The VideoFrameProcessor is now ready to accept new input frames, bitmaps or textures.

Parameters
`@VideoFrameProcessor.InputType int inputType`	The `InputType` of the new input stream.
`Format format`	The `Format` of the new input stream.
`List<Effect> effects`	The list of `effects` to apply to the new input stream.

default void onOutputFrameAvailableForRendering(
    long presentationTimeUs,
    boolean isRedrawnFrame
)

Called when an output frame with the given presentationTimeUs becomes available for rendering.

Parameters
`long presentationTimeUs`	The presentation time of the frame, in microseconds.
`boolean isRedrawnFrame`	Whether the frame is a frame that is `redrawn`, redrawn frames are rendered directly thus `renderOutputFrame` must not be called on such frames.

default void onOutputFrameRateChanged(float frameRate)

Called when the output frame rate changes.

Parameters
`float frameRate`	The output frame rate in frames per second, or `NO_VALUE` if unknown.

default void onOutputSizeChanged(int width, int height)

Called when the output size changes.

The output size is the frame size in pixels after applying all effects.

The output size may differ from the size specified using setOutputSurfaceInfo.