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livetrax/share/scripts/_time_info.lua

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ardour {
["type"] = "dsp",
name = "Time Info",
category = "Utility",
author = "Ardour Team",
license = "MIT",
description = [[Example to use processing time info]]
}
function dsp_ioconfig ()
return { { midi_in = 1, midi_out = 1, audio_in = -1, audio_out = -1}, }
end
function dsp_options ()
return { time_info = true }
end
function dsp_run (_, _, n_samples)
assert (type(midiout) == "table")
assert (type(time) == "table")
assert (type(midiout) == "table")
local cnt = 1;
function tx_midi (time, data)
midiout[cnt] = {}
midiout[cnt]["time"] = time;
midiout[cnt]["data"] = data;
cnt = cnt + 1;
end
-- printing from rt-context is not thread-safe
print ("---")
for k,v in pairs (time) do
print (k, v);
end
-- pass-thru MIDI
for _,b in pairs (midiin) do
local t = b["time"] -- t = [ 1 .. n_samples ]
local d = b["data"] -- midi-event data
tx_midi (t, d)
end
end