osc.patch

diff --git a/osc.lua b/osc.lua
index 0a9965b..afd6047 100644
--- a/osc.lua
+++ b/osc.lua
@@ -1615,6 +1615,13 @@ function bar_layout(direction)
     lo.geometry = geo
     lo.style = osc_styles.smallButtonsBar
 
+    -- START quality-menu
+    geo = { x = geo.x - geo.w - padX, y = geo.y, an = geo.an, w = geo.w, h = geo.h }
+    lo = add_layout("quality-menu")
+    lo.geometry = geo
+    lo.style = osc_styles.smallButtonsBar
+    -- END quality-menu
+
     -- Volume
     geo = { x = geo.x - geo.w - padX, y = geo.y, an = geo.an, w = geo.w, h = geo.h }
     lo = add_layout("volume")
@@ -2124,6 +2131,17 @@ function osc_init()
             string.format("%3.0fs", sec))
     end
 
+    -- START quality-menu
+    ne = new_element("quality-menu", "button")
+    ne.content = function()
+        return ("≚")
+    end
+    ne.eventresponder["mbtn_left_up"] =
+        function () mp.commandv("script-message", "video_formats_toggle") end
+    ne.eventresponder["mbtn_right_up"] =
+        function () mp.commandv("script-message", "audio_formats_toggle") end
+    -- END quality-menu
+
     -- volume
     ne = new_element("volume", "button")
 
@@ -2206,15 +2224,21 @@ function update_margins()
         reset_margins()
     end
 
+    if utils.shared_script_property_set then
     utils.shared_script_property_set("osc-margins",
         string.format("%f,%f,%f,%f", margins.l, margins.r, margins.t, margins.b))
+    end
     mp.set_property_native("user-data/osc/margins", margins)
 end
 
 function shutdown()
     reset_margins()
+    if utils.shared_script_property_set then
     utils.shared_script_property_set("osc-margins", nil)
+    end
+    if mp.del_property then
     mp.del_property("user-data/osc")
+    end
 end
 
 --
@@ -2870,7 +2894,9 @@ function visibility_mode(mode, no_osd)
     end
 
     user_opts.visibility = mode
+    if utils.shared_script_property_set then
     utils.shared_script_property_set("osc-visibility", mode)
+    end
     mp.set_property_native("user-data/osc/visibility", mode)
 
     if not no_osd and tonumber(mp.get_property("osd-level")) >= 1 then
@@ -2903,7 +2929,9 @@ function idlescreen_visibility(mode, no_osd)
         user_opts.idlescreen = false
     end
 
+    if utils.shared_script_property_set then
     utils.shared_script_property_set("osc-idlescreen", mode)
+    end
     mp.set_property_native("user-data/osc/idlescreen", user_opts.idlescreen)
 
     if not no_osd and tonumber(mp.get_property("osd-level")) >= 1 then