X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=theme.lua;h=243b352670182c7bbd3c56dffe761bf32d5e268f;hb=refs%2Ftags%2F1.0.0;hp=f561613aa88c33fd5dff538bd199122d7c425368;hpb=d3a801a9148345bec24f21e1184f7e97f53040b2;p=nageru

diff --git a/theme.lua b/theme.lua
index f561613..243b352 100644
--- a/theme.lua
+++ b/theme.lua
@@ -298,6 +298,21 @@ function channel_name(channel)
 	end
 end
 
+-- API ENTRY POINT
+-- Returns, given a channel number, which signal it corresponds to (starting from 0).
+-- Should return -1 if the channel does not correspond to a simple signal.
+-- Called once for each channel, at the start of the program.
+-- Will never be called for live (0) or preview (1).
+function channel_signal(channel)
+	if channel == 2 then
+		return 0
+	elseif channel == 3 then
+		return 1
+	else
+		return -1
+	end
+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.