49 lines
1.4 KiB
Lua
49 lines
1.4 KiB
Lua
ardour {
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["type"] = "session",
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name = "Mixer Scene Sequencer",
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license = "MIT",
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author = "John Devlin, Robin Gareus",
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description = [[Recall a Mixer Scene when the playhead passes over a Marker named 'MS <nuber>' where <number> indicates the scene to recall.]]
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}
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function factory ()
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local MIXER_SCENE_MARKER_PREFIX = "MS "
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return function (n_samples)
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if (not Session:transport_rolling()) then
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-- not rolling, nothing to do.
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return
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end
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local pos = Session:transport_sample() -- current playhead position
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local loc = Session:locations() -- all marker locations
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local tpos = Temporal.timepos_t(pos)
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local mpos = loc:first_mark_after(tpos, false)
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if (mpos == Temporal.timepos_t.max(tpos:time_domain())) then
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-- no marker was found
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return
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end
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local mloc = loc:first_mark_at(mpos, Temporal.timecnt_t(0))
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if not mloc then
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-- no marker found at that location
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return
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end
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if (pos + n_samples > mpos:samples()) then
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-- the marker is within this sample block
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if mloc:name():sub(1, MIXER_SCENE_MARKER_PREFIX:len()) == MIXER_SCENE_MARKER_PREFIX then
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-- the marker name begins with MIXER_SCENE_MARKER_PREFIX: get the remainder of the name (should be a number)
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local msNum = tonumber(mloc:name():sub(MIXER_SCENE_MARKER_PREFIX:len() + 1))
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if msNum and msNum >= 1 and msNum <= 8 then
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Session:apply_nth_mixer_scene(msNum - 1)
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end
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end
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end
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end
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end
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