Interface MetaClearFunction

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("org.javagi.JavaGI")
public interface MetaClearFunction
extends FunctionPointer

Functional interface declaration of the MetaClearFunction callback.

See Also:

• run(Buffer, Meta)

Method Summary

Modifier and Type	Method	Description
void	run(Buffer buffer, Meta meta)	Clears the content of the meta.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
default void	upcall(MemorySegment buffer, MemorySegment meta)	The upcall method is called from native code.

Method Details

run

void run(Buffer buffer,
 Meta meta)

Clears the content of the meta. This will be called by the GstBufferPool when a pooled buffer is returned.

Parameters:

buffer - a GstBuffer

meta - a GstMeta

Since:

1.24

upcall

default void upcall(MemorySegment buffer,
 MemorySegment meta)

The upcall method is called from native code. The parameters are marshaled and run(Buffer, Meta) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer