Interface ElementForeachPadFunc

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 ElementForeachPadFunc
extends FunctionPointer

Functional interface declaration of the ElementForeachPadFunc callback.

See Also:

• run(Element, Pad)

Method Summary

Modifier and Type	Method	Description
boolean	run(Element element, Pad pad)	Function called for each pad when using gst_element_foreach_sink_pad(), gst_element_foreach_src_pad(), or gst_element_foreach_pad().
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(MemorySegment, MemorySegment, MemorySegment) method.
default int	upcall(MemorySegment element, MemorySegment pad, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

boolean run(Element element,
 Pad pad)

Function called for each pad when using gst_element_foreach_sink_pad(), gst_element_foreach_src_pad(), or gst_element_foreach_pad().

Parameters:

element - the GstElement

pad - a GstPad

Returns:

false to stop iterating pads, true to continue

Since:

1.14

upcall

default int upcall(MemorySegment element,
 MemorySegment pad,
 MemorySegment userData)

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

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(MemorySegment, 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