From: Robin Gareus <robin@gareus.org>
Date: Wed, 17 Aug 2016 18:30:20 +0000 (+0200)
Subject: add some track properties example script
X-Git-Tag: 5.1~113
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=036bcb259b364643d275b793b4c4edbd31a96fc7;p=ardour.git

add some track properties example script
---

diff --git a/scripts/s_track_props.lua b/scripts/s_track_props.lua
new file mode 100644
index 0000000000..4dec5ad0c5
--- /dev/null
+++ b/scripts/s_track_props.lua
@@ -0,0 +1,38 @@
+ardour { ["type"] = "Snippet", name = "Track Properties" }
+
+function factory () return function ()
+	--- iterate over all tracks
+	for t in Session:get_tracks():iter() do
+		-- t is-a http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Track
+
+		-- operate one those with "Drum" in the name
+		if  (t:name ():find ("Drum")) then
+
+			-- print the name, and number of audio in/out
+			-- see also http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:ChanCount
+			print (t:name (), "| Audio In:", t:n_inputs ():n_audio (), "Audio Out:", t:n_outputs ():n_audio ())
+
+			-- get the track's http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:PresentationInfo
+			pi = t:presentation_info_ptr ()
+
+			-- set the track's color to orange - hex RGBA
+			pi:set_color (0xff8800ff)
+
+			-- phase invert the 1st channel
+			t:phase_control():set_phase_invert (1, true)
+
+			-- solo the track  -- and only the track, 
+			-- not other tracks grouped with it.
+			t:solo_control():set_value (1, PBD.GroupControlDisposition.NoGroup)
+
+			-- unmute the track
+			t:mute_control():set_value (0, PBD.GroupControlDisposition.NoGroup)
+
+			-- add a track comment
+			t:set_comment ("This is a Drum Track", nil)
+
+			-- and set the fader to -7dB  == 10 ^ (0.05 * -7)
+			t:amp():gain_control():set_value (10 ^ (0.05 * -7), PBD.GroupControlDisposition.NoGroup)
+		end
+	end
+end end