Function gstreamer_gl_sys::gst_gl_window_send_scroll_event

pub unsafe extern "C" fn gst_gl_window_send_scroll_event(
    window: *mut GstGLWindow, 
    posx: c_double, 
    posy: c_double, 
    delta_x: c_double, 
    delta_y: c_double
)

This is supported on crate feature v1_18 only.