scripts/s_track_props.lua

   1 ardour { ["type"] = "Snippet", name = "Track Properties" }
   2
   3 function factory () return function ()
   4         --- iterate over all tracks
   5         for t in Session:get_tracks():iter() do
   6                 -- t is-a http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Track
   7
   8                 -- operate one those with "Drum" in the name
   9                 if  (t:name ():find ("Drum")) then
  10
  11                         -- print the name, and number of audio in/out
  12                         -- see also http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:ChanCount
  13                         print (t:name (), "| Audio In:", t:n_inputs ():n_audio (), "Audio Out:", t:n_outputs ():n_audio ())
  14
  15                         -- get the track's http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:PresentationInfo
  16                         pi = t:presentation_info_ptr ()
  17
  18                         -- set the track's color to orange - hex RGBA
  19                         pi:set_color (0xff8800ff)
  20
  21                         -- phase invert the 1st channel
  22                         t:phase_control():set_phase_invert (1, true)
  23
  24                         -- solo the track  -- and only the track,
  25                         -- not other tracks grouped with it.
  26                         t:solo_control():set_value (1, PBD.GroupControlDisposition.NoGroup)
  27
  28                         -- unmute the track
  29                         t:mute_control():set_value (0, PBD.GroupControlDisposition.NoGroup)
  30
  31                         -- add a track comment
  32                         t:set_comment ("This is a Drum Track", nil)
  33
  34                         -- and set the fader to -7dB  == 10 ^ (0.05 * -7)
  35                         t:gain_control():set_value (10 ^ (0.05 * -7), PBD.GroupControlDisposition.NoGroup)
  36                 end
  37         end
  38 end end