96 lines
2.8 KiB
Lua
96 lines
2.8 KiB
Lua
ardour { ["type"] = "EditorAction", name = "Bounce+Replace Regions",
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license = "MIT",
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author = "Ardour Team",
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description = [[Bounce selected regions with processing and replace region]]
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}
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function factory (params) return function ()
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-- there is currently no direct way to find the track
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-- corresponding to a [selected] region
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function find_track_for_region (region_id)
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for route in Session:get_tracks():iter() do
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local track = route:to_track();
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local pl = track:playlist ()
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if not pl:region_by_id (region_id):isnil () then
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return track
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end
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end
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assert (0); -- can't happen, region must be in a playlist
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end
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-- get selection
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:Selection
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local sel = Editor:get_selection ()
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-- prepare undo operation
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Session:begin_reversible_command ("Bounce+Replace Regions")
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-- Iterate over Regions part of the selection
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-- http://manual.ardour.org/lua-scripting/class_reference/#ArdourUI:RegionSelection
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for r in sel.regions:regionlist ():iter () do
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-- each of the items 'r' is a
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-- http://manual.ardour.org/lua-scripting/class_reference/#ARDOUR:Region
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local track = find_track_for_region (r:to_stateful():id())
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local playlist = track:playlist ()
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-- clear existing changes, prepare "diff" of state for undo
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playlist:to_stateful ():clear_changes ()
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-- bounce the region with processing
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local region = track:bounce_range (r:position ():samples(), (r:position() + r:length ()):samples(), ARDOUR.InterThreadInfo (), track:main_outs (), false, "", false);
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-- remove old region..
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playlist:remove_region (r);
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-- ..and add the newly bounced one
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playlist:add_region (region, r:position (), 1, false, 0, 0, false)
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-- create a diff of the performed work, add it to the session's undo stack
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-- and check if it is not empty
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Session:add_stateful_diff_command (playlist:to_statefuldestructible ())
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end
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-- all done, commit the combined Undo Operation
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if not Session:abort_empty_reversible_command () then
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Session:commit_reversible_command (nil)
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end
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end end
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function icon (params) return function (ctx, width, height, fg)
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local wh = math.min (width, height) * .5
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local ar = wh * .2
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ctx:set_line_width (1)
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function stroke_outline (c)
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ctx:set_source_rgba (0, 0, 0, 1)
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ctx:stroke_preserve ()
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ctx:set_source_rgba (c, c, c, 1)
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ctx:fill ()
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end
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ctx:translate (math.floor (width * .5 - wh), math.floor (height * .5 - wh))
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ctx:rectangle (wh - wh * .6, wh - .7 * wh, wh * 1.2, .5 * wh)
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stroke_outline (.7)
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ctx:rectangle (wh - wh * .6, wh + .1 * wh, wh * 1.2, .5 * wh)
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stroke_outline (.9)
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-- arrow
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ctx:set_source_rgba (0, 1, 0, 1)
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ctx:set_line_width (ar * .7)
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ctx:move_to (wh, wh - .5 * wh)
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ctx:rel_line_to (0, wh)
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ctx:stroke ()
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ctx:move_to (wh, wh + .5 * wh)
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ctx:rel_line_to (-ar, -ar)
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ctx:rel_line_to (2 * ar, 0)
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ctx:close_path ()
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ctx:stroke ()
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end end
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