48 lines
1.3 KiB
Lua
48 lines
1.3 KiB
Lua
ardour { ["type"] = "Snippet", name = "Thin Fader Automation" }
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-- --TODO--
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-- For a fully fledged EditorAction this script should
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-- offer a dropdown to select automation of all parameters
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-- (not just the fader)
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-- see scripts/midi_cc_to_automation.lua and
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-- scripts/mixer_settings_store.lua
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-- Thinning Area should also be a numeric-entry or slider
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function factory () return function ()
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-- get selected tracks
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rl = Editor:get_selection ().tracks:routelist ()
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-- prepare undo operation
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Session:begin_reversible_command ("Thin Automation")
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local add_undo = false -- keep track if something has changed
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-- iterate over selected tracks
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for r in rl:iter () do
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-- get the Fader (aka "amp") control
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local ac = r:amp ():gain_control () -- ARDOUR:AutomationControl
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local al = ac:alist () -- ARDOUR:AutomationList
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-- get state for undo
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local before = al:get_state ()
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-- remove dense events
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al:thin (50) -- threshold of area below curve
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-- save undo
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local after = al:get_state ()
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Session:add_command (al:memento_command (before, after))
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add_undo = true
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::out::
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end
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-- all done, commit the combined Undo Operation
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if add_undo then
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-- the 'nil' Command here means to use the collected diffs added above
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Session:commit_reversible_command (nil)
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else
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Session:abort_reversible_command ()
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end
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end end
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