Function obs_sys::obs_volmeter_attach_source

pub unsafe extern "C" fn obs_volmeter_attach_source(
    volmeter: *mut obs_volmeter_t,
    source: *mut obs_source_t
) -> bool

@brief Attach the volume meter to a source @param volmeter pointer to the volume meter object @param source pointer to the source object @return true on success

When the volume meter is attached to a source it will start to listen to volume updates on the source and after preparing the data emit its own signal.