cocoa-cb: use new ambient-light property and remove old libmpv usage

osdep/mac/libmpv_helper.swift

@@ -154,15 +154,6 @@ class LibmpvHelper {
         }
     }
 
-    func setRenderLux(_ lux: Int) {
-        if mpvRenderContext == nil { return }
-        var light = lux
-        withUnsafeMutableBytes(of: &light) { (ptr: UnsafeMutableRawBufferPointer) in
-            let params = mpv_render_param(type: MPV_RENDER_PARAM_AMBIENT_LIGHT, data: ptr.baseAddress)
-            mpv_render_context_set_parameter(mpvRenderContext, params)
-        }
-    }
-
     func uninit() {
         mpv_render_context_set_update_callback(mpvRenderContext, nil, nil)
         mp_render_context_set_control_callback(mpvRenderContext, nil, nil)

video/out/cocoa_cb_common.swift

@@ -110,10 +110,6 @@ class CocoaCB: Common, EventSubscriber {
         return kCVReturnSuccess
     }
 
-    override func lightSensorUpdate() {
-        libmpv.setRenderLux(Int(lmuToLux(lastLmu)))
-    }
-
     override func updateICCProfile() {
         guard let colorSpace = window?.screen?.colorSpace else {
             log.warning("Couldn't update ICC Profile, no color space available")

video/out/mac/common.swift

@@ -274,7 +274,7 @@ class Common: NSObject {
     }
 
     func lightSensorUpdate() {
-        log.warning("lightSensorUpdate not implemented")
+        flagEvents(VO_EVENT_AMBIENT_LIGHTING_CHANGED)
     }
 
     func initLightSensor() {

video/out/mac_common.swift

@@ -147,10 +147,6 @@ class MacCommon: Common {
         timer?.updatePolicy(periodSeconds: 1 / currentFps())
     }
 
-    override func lightSensorUpdate() {
-        flagEvents(VO_EVENT_AMBIENT_LIGHTING_CHANGED)
-    }
-
     override func updateICCProfile() {
         flagEvents(VO_EVENT_ICC_PROFILE_CHANGED)
     }