TOOLS/lua/status-line: improve and update

Updates the line once per second rather than once per frame, saving
quite a bit of CPU. Also completely stops the script while paused.
That aside, fixes the swapped checks for video and audio-only files and
adds bitrate printing.

TOOLS/lua/status-line.lua

@@ -18,10 +18,10 @@ function update_status_line()
         atsl("(Buffering) ")
     end
 
-    if mp.get_property("vid") ~= "no" then
+    if mp.get_property("aid") ~= "no" then
         atsl("A")
     end
-    if mp.get_property("aid") ~= "no" then
+    if mp.get_property("vid") ~= "no" then
         atsl("V")
     end
 
@@ -43,7 +43,7 @@ function update_status_line()
 
     r = mp.get_property_number("avsync", nil)
     if r ~= nil then
-        atsl(string.format(" A-V: %7.3f", r))
+        atsl(string.format(" A-V: %f", r))
     end
 
     r = mp.get_property("total-avsync-change", 0)
@@ -51,12 +51,24 @@ function update_status_line()
         atsl(string.format(" ct:%7.3f", r))
     end
 
-    r = mp.get_property_number("drop-frame-count", -1)
+    r = mp.get_property_number("decoder-drop-frame-count", -1)
     if r > 0 then
         atsl(" Late: ")
         atsl(r)
     end
 
+    r = mp.get_property_osd("video-bitrate")
+    if r ~= nil and r ~= "" then
+        atsl(" Vb: ")
+        atsl(r)
+    end
+
+    r = mp.get_property_osd("audio-bitrate")
+    if r ~= nil and r ~= "" then
+        atsl(" Ab: ")
+        atsl(r)
+    end
+
     r = mp.get_property_number("cache", 0)
     if r > 0 then
         atsl(string.format(" Cache: %d%% ", r))
@@ -66,6 +78,15 @@ function update_status_line()
     mp.set_property("options/term-status-msg", newStatus)
 end
 
--- Register the event
-mp.register_event("tick", update_status_line)
+timer = mp.add_periodic_timer(1, update_status_line)
 
+function on_pause_change(name, value)
+    if value == false then
+        timer:resume()
+    else
+        timer:stop()
+    end
+    mp.add_timeout(0.1, update_status_line)
+end
+mp.observe_property("pause", "bool", on_pause_change)
+mp.register_event("seek", update_status_line)