StreamVolume.getType() only returns null

[Nyeksenn]

I am currently trying to use Gstreamers Bin.getByInterface method to obtain an object which implements StreamVolume
from my pipeline. This method takes a org.gnome.glib.Type as an argument.
However, if I try to obtain this by calling StreamVolume.getType(), it always returns null even though
it is a static method. I currently use jars built from main.

var type = StreamVolume.getType();
// type is always null
var sink = (StreamVolume) this.pipeline.pipeline.getByInterface(type);

[jwharm]

This happens when the native library hasn't been loaded. Add this line at the start of your app:

GstAudio.javagi$ensureInitialized();

All classes in the GstAudio module have this line in a static initializer block, so this is triggered automatically by Java's classloader. But interfaces don't support static initializers, so when you use an interface (before a class), you need to manually force the initialization.

[Nyeksenn]

Ok, good to know. Thanks.