X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=simple.lua;h=451146d1839638ae8a314bcc807497cca26200c0;hb=96cb6414f85e0ef4d660b7bd56267303e80fcd05;hp=10c9bebbd03da404670602bbcda7e5f90a7fb035;hpb=3e0e8a287f72b00ddb198c36f709d484b1a460a8;p=nageru

diff --git a/simple.lua b/simple.lua
index 10c9beb..451146d 100644
--- a/simple.lua
+++ b/simple.lua
@@ -77,6 +77,15 @@ function channel_signal(channel)
 	end
 end
 
+-- API ENTRY POINT
+-- Called every frame. Returns the color (if any) to paint around the given
+-- channel. Returns a CSS color (typically to mark live and preview signals);
+-- "transparent" is allowed.
+-- Will never be called for live (0) or preview (1).
+function channel_color(channel)
+	return "transparent"
+end
+
 -- API ENTRY POINT
 -- Returns if a given channel supports setting white balance (starting from 2).
 -- Called only once for each channel, at the start of the program.
@@ -89,9 +98,9 @@ end
 -- The color is in linear light (not sRGB gamma).
 function set_wb(channel, red, green, blue)
 	if channel == 2 then
-		input_neutral_color[0] = { red, green, blue }
-	elseif channel == 3 then
 		input_neutral_color[1] = { red, green, blue }
+	elseif channel == 3 then
+		input_neutral_color[2] = { red, green, blue }
 	end
 end