Package org.freedesktop.gstreamer.video

Interface VideoMeta.MapCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

VideoMeta

Functional Interface:

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

@FunctionalInterface
public static interface VideoMeta.MapCallback
extends FunctionPointer

Functional interface declaration of the MapCallback callback.

See Also:

• run(org.freedesktop.gstreamer.video.VideoMeta, int, org.freedesktop.gstreamer.gst.MapInfo, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.util.Set<org.freedesktop.gstreamer.gst.MapFlags>)

Method Summary

Modifier and Type	Method	Description
boolean	run(VideoMeta meta, int plane, MapInfo info, MemorySegment data, MemorySegment stride, Set<MapFlags> flags)
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, int) method.
default int	upcall(MemorySegment meta, int plane, MemorySegment info, MemorySegment data, MemorySegment stride, int flags)	The upcall method is called from native code.

Method Details

run

boolean run(VideoMeta meta,
 int plane,
 MapInfo info,
 MemorySegment data,
 MemorySegment stride,
 Set<MapFlags> flags)

upcall

default int upcall(MemorySegment meta,
 int plane,
 MemorySegment info,
 MemorySegment data,
 MemorySegment stride,
 int flags)

The upcall method is called from native code. The parameters are marshaled and run(org.freedesktop.gstreamer.video.VideoMeta, int, org.freedesktop.gstreamer.gst.MapInfo, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.util.Set<org.freedesktop.gstreamer.gst.MapFlags>) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer