83 lines
2.4 KiB
Lua
83 lines
2.4 KiB
Lua
--[[
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# Example script to prepare the Ardour session for recording
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Usually there's a certain state needed to actually start the recording. This example
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script treats the situation of a podcast recording. When starting the recording the
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following settings have to be ensured.
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* Session has to be recenabled
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* Tracks have to be recenabled
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* Gain automation have to set on write in order to record events from mute buttons
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* The playhead has to be at 00:00:00.000
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* The last (failed) capture has to be cleared
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* Location markers have to be cleared
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So this script automates away the task and lets the podcast moderator by just one
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action (for example triggered by a Wiimote) prepare the session for recording.
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It can be used for example with the python script of the Linux podcasting hacks:
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https://github.com/linux-podcasting-hacks/wiimote-recording-control
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Not that this script is more meant as an demo script to demonstrate the
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possibilities of the Lua interface.
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--]]
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ardour {
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["type"] = "EditorAction",
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name = "Prepare recording for podcast",
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author = "Johannes Mueller",
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description = [[
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Prepares the Ardour session for podcast recording.
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* Sets the gain automation to "Write" so that muting buttons work.
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* Recenables all tracks.
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* Clears all markers.
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* Erases the last capture (assuming that it was a failed one)
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* Rewinds the session to starting point.
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* Recenables the session.
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]]
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}
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function factory (unused) return function()
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if Session:actively_recording() then
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return end
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for t in Session:get_tracks():iter() do
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t:gain_control():set_automation_state(ARDOUR.AutoState.Write)
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t:rec_enable_control():set_value(1, PBD.GroupControlDisposition.UseGroup)
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end
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for l in Session:locations():list():iter() do
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if l:is_mark() then
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Session:locations():remove(l)
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end
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end
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Session:goto_start()
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Editor:remove_last_capture()
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Session:maybe_enable_record()
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end end
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function icon (params) return function (ctx, width, height)
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local x = width * .5
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local y = height * .5
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local r = math.min (x, y) * .55
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ctx:arc (x, y, r, 0, 2 * math.pi)
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ctx:set_source_rgba (.9, .3, .3, 1.)
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ctx:fill_preserve ()
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ctx:set_source_rgba (0, 0, 0, .8)
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ctx:set_line_width (1)
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ctx:stroke ()
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local txt = Cairo.PangoLayout (ctx, "ArdourMono ".. math.ceil(r * 1.5) .. "px")
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txt:set_text ("P")
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local tw, th = txt:get_pixel_size ()
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ctx:set_source_rgba (0, 0, 0, 1.0)
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ctx:move_to (.5 * (width - tw), .5 * (height - th))
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txt:show_in_cairo_context (ctx)
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end end
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