PadEventFullFunction (java-gi API)

All Superinterfaces:: FunctionPointer

Functional Interface:: This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface @Generated("io.github.jwharm.JavaGI") public interface PadEventFullFunction extends FunctionPointer

Functional interface declaration of the PadEventFullFunction callback.

See Also:

Method Summary

Modifier and Type

Method

Description

FlowReturn

run(Pad pad, @Nullable GstObject parent, Event event)

Function signature to handle an event for the pad.

default MemorySegment

toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.

default int

upcall(MemorySegment pad, MemorySegment parent, MemorySegment event)

The upcall method is called from native code.

Method Details
- run
  
  FlowReturn run(Pad pad, @Nullable @Nullable GstObject parent, Event event)
  
  Function signature to handle an event for the pad.
  This variant is for specific elements that will take into account the last downstream flow return (from a pad push), in which case they can return it.
- upcall
  
  default int upcall(MemorySegment pad, MemorySegment parent, MemorySegment event)
  
  The upcall method is called from native code. The parameters are marshaled and run(org.freedesktop.gstreamer.gst.Pad, org.freedesktop.gstreamer.gst.GstObject, org.freedesktop.gstreamer.gst.Event) is executed.
- toCallback
  
  default MemorySegment toCallback(Arena arena)
  
  Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
  
  Specified by:
  
  toCallback in interface FunctionPointer
  
  Parameters:
  
  arena - the function pointer will be allocated in this arena
  
  Returns:
  
  the native function pointer