diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/midimon.lua | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/scripts/midimon.lua b/scripts/midimon.lua index bda71be74a..226b4b0d17 100644 --- a/scripts/midimon.lua +++ b/scripts/midimon.lua @@ -13,7 +13,7 @@ local evlen = 3 local hpadding, vpadding = 4, 2 function dsp_ioconfig () - return { { audio_in = 0, audio_out = 0}, } + return { { audio_in = -1, audio_out = -1}, } end function dsp_has_midi_input () return true end @@ -53,23 +53,32 @@ function dsp_init (rate) end end -function dsp_run (_, _, n_samples) - assert (type(midiin) == "table") - assert (type(midiout) == "table") - +function dsp_runmap (bufs, in_map, out_map, n_samples, offset) local pos = self:shmem():atomic_get_int(0) local buffer = self:shmem():to_int(1):array() - -- passthrough midi data, and fill the event buffer - for i, d in pairs(midiin) do - local ev = d["data"] - midiout[i] = { time = d["time"], data = ev } - pos = pos % ringsize + 1 - for j = 1, math.min(#ev,evlen) do - buffer[(pos-1)*evlen + j] = ev[j] - end - for j = #ev+1, evlen do - buffer[(pos-1)*evlen + j] = 0 + -- passthrough all data + ARDOUR.DSP.process_map (bufs, in_map, out_map, n_samples, offset, ARDOUR.DataType ("audio")) + ARDOUR.DSP.process_map (bufs, in_map, out_map, n_samples, offset, ARDOUR.DataType ("midi")) + + -- then fill the event buffer + local ib = in_map:get (ARDOUR.DataType ("midi"), 0) -- index of 1st midi input + + if ib ~= ARDOUR.ChanMapping.Invalid then + local events = bufs:get_midi (ib):table () -- copy event list into a lua table + + -- iterate over all MIDI events + for _, e in pairs (events) do + local ev = e:buffer():array() + pos = pos % ringsize + 1 + -- copy the data + for j = 1, math.min(e:size(),evlen) do + buffer[(pos-1)*evlen + j] = ev[j] + end + -- zero unused slots + for j = e:size()+1, evlen do + buffer[(pos-1)*evlen + j] = 0 + end end end |