Add a missing hint.

[nageru] / nageru / simple.lua

diff --git a/nageru/simple.lua b/nageru/simple.lua
index 3960505175e9637d1a2f627e1586c83691c59d41..5444a200be9787c0e8c1f62269dcf6f0d7ccfe45 100644 (file)
--- a/nageru/simple.lua
+++ b/nageru/simple.lua
@@ -25,24 +25,10 @@ local input = scene:add_input()
 local wb_effect = scene:add_effect(WhiteBalanceEffect.new())
 scene:finalize()
 
--- API ENTRY POINT
--- Returns the number of outputs in addition to the live (0) and preview (1).
--- Called only once, at the start of the program.
-function num_channels()
-       return 2
-end
-
--- API ENTRY POINT
--- Returns the name for each additional channel (starting from 2).
--- Called at the start of the program, and then each frame for live
--- channels in case they change resolution.
-function channel_name(channel)
-       if channel == 2 then
-               return "First input"
-       elseif channel == 3 then
-               return "Second input"
-       end
-end
+-- Set some global state.
+Nageru.set_num_channels(2)  -- Can only be called at the start of the program.
+Nageru.set_channel_name(2, "First input")
+Nageru.set_channel_name(3, "Second input")
 
 -- API ENTRY POINT
 -- Returns, given a channel number, which signal it corresponds to (starting from 0).