49 lines
2.1 KiB
Lua
49 lines
2.1 KiB
Lua
ardour { ["type"] = "Snippet", name = "Track Properties" }
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function factory () return function ()
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--- iterate over all tracks
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for t in Session:get_tracks():iter() do
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-- t is-a http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Track
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-- operate one those with "Drum" in the name
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if (t:name ():find ("Drum")) then
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-- print the name, and number of audio in/out
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-- see also http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:ChanCount
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print (t:name (), "| Audio In:", t:n_inputs ():n_audio (), "Audio Out:", t:n_outputs ():n_audio ())
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-- get the track's http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:PresentationInfo
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pi = t:presentation_info_ptr ()
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-- set the track's color to orange - hex RGBA
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pi:set_color (0xff8800ff)
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-- phase invert the 1st channel
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t:phase_control():set_phase_invert (1, true)
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-- solo the track -- and only the track, not other tracks grouped with it.
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--
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-- Note that changing solo/mute needs to propagate implicit solo/mute.
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-- These changes have to be done atomically, so that all
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-- related solo/mute change simultaneously at the same time.
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-- This can only be done from realtime-context, so we need to queue a session-rt
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-- event using the session realtime-event dispatch mechanism:
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Session:set_control (t:solo_control(), 1, PBD.GroupControlDisposition.NoGroup)
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-- unmute the track, this also exemplifies how one could use lists to modify
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-- multiple controllables at the same time (they should be of the same
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-- parameter type - e.g. mute_control() of multiple tracks, they'll all
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-- change simultaneously in rt-context)
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local ctrls = ARDOUR.ControlListPtr ()
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ctrls:push_back (t:mute_control()) -- we could add more controls to change via push_back
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Session:set_controls (ctrls, 0, PBD.GroupControlDisposition.NoGroup)
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-- add a track comment
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t:set_comment ("This is a Drum Track", nil)
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-- and set the fader to -7dB == 10 ^ (0.05 * -7)
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t:gain_control():set_value (10 ^ (0.05 * -7), PBD.GroupControlDisposition.NoGroup)
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end
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end
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end end
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