68 lines
1.7 KiB
Lua
68 lines
1.7 KiB
Lua
ardour {
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["type"] = "dsp",
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name = "DM10-mkII-Studio HiHat",
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category = "Utility",
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license = "MIT",
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author = "Ardour Community",
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description = [[Map HiHat MIDI events depending on pedal CC. Specifically MIDI Note Number 8 is translated to 54,47,58 deending on CC-8.]]
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}
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function dsp_ioconfig ()
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return { { midi_in = 1, midi_out = 1, audio_in = 0, audio_out = 0}, }
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end
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local hihat_note = -1
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local hihat_state = 0
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function dsp_run (_, _, n_samples)
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assert (type(midiin) == "table")
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assert (type(midiout) == "table")
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local cnt = 1;
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function tx_midi (time, data)
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midiout[cnt] = {}
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midiout[cnt]["time"] = time;
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midiout[cnt]["data"] = data;
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cnt = cnt + 1;
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end
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-- for each incoming midi event
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for _,b in pairs (midiin) do
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local t = b["time"] -- t = [ 1 .. n_samples ]
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local d = b["data"] -- midi-event data
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local event_type
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if #d == 0 then event_type = -1 else event_type = d[1] >> 4 end
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-- intercept CC message
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if #d == 3 and event_type == 11 and d[2] == 4 then
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hihat_state = d[3]
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end
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-- map Note event
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if (#d == 3) and d[2] == 8 and event_type == 9 then
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if hihat_state < 42 then hihat_note = 54 -- Hihat_Closed
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elseif hihat_state < 92 then hihat_note = 46 -- Hihat_Semi_Open
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else hihat_note = 58 -- Hihat_Open
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end
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d[2] = hihat_note
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end
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-- translate aftertouch
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if (#d == 3) and d[2] == 8 and event_type == 10 then
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if (hihat_note > 0) then
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d[2] = hihat_note
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end
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end
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-- intercept note off
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if (#d == 3) and d[2] == 8 and event_type == 8 then
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if (hihat_note > 0) then
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d[2] = hihat_note
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end
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--hihat_note = -1
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end
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tx_midi (t, d)
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end
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end
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