CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Region> >);
CLASSKEYS(std::list<ARDOUR::AudioRange>);
CLASSKEYS(Evoral::Beats);
+CLASSKEYS(ARDOUR::PortEngine);
CLASSKEYS(ARDOUR::PortManager);
CLASSKEYS(ARDOUR::AudioEngine);
CLASSKEYS(void);
.endClass ()
.beginWSPtrClass <Port> ("Port")
+ .addCast<MidiPort> ("to_midiport")
+ .addCast<AudioPort> ("to_audioport")
.addFunction ("name", &Port::name)
.addFunction ("pretty_name", &Port::pretty_name)
.addFunction ("receives_input", &Port::receives_input)
.addFunction ("connected_to", (bool (Port::*)(Port*)const)&Port::connected_to)
.addFunction ("connect", (int (Port::*)(Port*))&Port::connect)
.addFunction ("disconnect", (int (Port::*)(Port*))&Port::disconnect)
+ //.addStaticFunction ("port_offset", &Port::port_offset) // static
.endClass ()
.deriveWSPtrClass <AudioPort, Port> ("AudioPort")
.deriveWSPtrClass <MidiPort, Port> ("MidiPort")
.addFunction ("input_active", &MidiPort::input_active)
.addFunction ("set_input_active", &MidiPort::set_input_active)
+ .addFunction ("get_midi_buffer", &MidiPort::get_midi_buffer) // DSP only
.endClass ()
.beginWSPtrClass <PortSet> ("PortSet")
.addFunction ("set_output_device_name", &AudioBackend::set_output_device_name)
.endClass()
+ .beginClass <PortEngine> ("PortEngine")
+ .endClass()
+
.beginClass <PortManager> ("PortManager")
.addFunction ("port_engine", &PortManager::port_engine)
.addFunction ("connected", &PortManager::connected)
.beginClass <MidiBuffer> ("MidiBuffer")
.addEqualCheck ()
.addFunction ("silence", &MidiBuffer::silence)
- .addFunction ("empty", &MidiBuffer::empty)
+ .addFunction ("push_event", (bool (MidiBuffer::*)(const Evoral::MIDIEvent<framepos_t>&))&MidiBuffer::push_back)
+ .addFunction ("push_back", (bool (MidiBuffer::*)(framepos_t, size_t, const uint8_t*))&MidiBuffer::push_back)
// TODO iterators..
+ .addExtCFunction ("table", &luabridge::CFunc::listToTable<const Evoral::MIDIEvent<framepos_t>, MidiBuffer>)
.endClass()
.beginClass <BufferSet> ("BufferSet")
// add Ctor?
.addFunction ("type", &Evoral::MIDIEvent<framepos_t>::type)
.addFunction ("channel", &Evoral::MIDIEvent<framepos_t>::channel)
- .addFunction ("set_type", &Evoral::MIDIEvent<framepos_t>::type)
- .addFunction ("set_channel", &Evoral::MIDIEvent<framepos_t>::channel)
+ .addFunction ("set_type", &Evoral::MIDIEvent<framepos_t>::set_type)
+ .addFunction ("set_channel", &Evoral::MIDIEvent<framepos_t>::set_channel)
.endClass ()
.endNamespace ();
}
}
- luabridge::LuaRef lua_dsp_midi_in = luabridge::getGlobal (L, "dsp_midi_input");
- if (lua_dsp_midi_in.type () == LUA_TFUNCTION) {
+ // query midi i/o
+ luabridge::LuaRef lua_dsp_has_midi_in = luabridge::getGlobal (L, "dsp_has_midi_input");
+ if (lua_dsp_has_midi_in.type () == LUA_TFUNCTION) {
try {
- _has_midi_input = lua_dsp_midi_in ();
+ _has_midi_input = lua_dsp_has_midi_in ();
+ } catch (luabridge::LuaException const& e) {
+ ;
+ }
+ }
+
+ luabridge::LuaRef lua_dsp_has_midi_out = luabridge::getGlobal (L, "dsp_has_midi_output");
+ if (lua_dsp_has_midi_out.type () == LUA_TFUNCTION) {
+ try {
+ _has_midi_output = lua_dsp_has_midi_out ();
} catch (luabridge::LuaException const& e) {
;
}
}
- lpi->_is_instrument = _has_midi_input;
_ctrl_params.clear ();
bool found = false;
bool exact_match = false;
const int32_t audio_in = in.n_audio ();
- int32_t midi_out = 0; // TODO handle _has_midi_output
+ int32_t midi_out = _has_midi_output ? 1 : 0;
// preferred setting (provided by plugin_insert)
- assert (out.n_audio () > 0);
+ assert (out.n_audio () > 0 || midi_out > 0);
const int preferred_out = out.n_audio ();
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
int possible_out = io["audio_out"];
if (possible_out == 0) {
+ if (possible_in == 0) {
+ if (_has_midi_output && audio_in == 0) {
+ // special case midi filters & generators
+ audio_out = 0;
+ found = true;
+ break;
+ }
+ }
continue;
}
+
if (possible_in == 0) {
/* no inputs, generators & instruments */
if (possible_out == -1) {
int possible_in = io["audio_in"];
int possible_out = io["audio_out"];
+ if (possible_out == 0 && possible_in == 0 && _has_midi_output) {
+ assert (audio_in > 0); // no input is handled above
+ // TODO hide audio input from plugin
+ imprecise->set (DataType::AUDIO, 0);
+ audio_out = 0;
+ found = true;
+ continue;
+ }
+
assert (possible_in > 0); // all other cases will have been matched above
assert (possible_out !=0 || possible_in !=0); // already handled above
}
if (exact_match) {
- out.set (DataType::MIDI, midi_out); // currently always zero
+ out.set (DataType::MIDI, midi_out);
out.set (DataType::AUDIO, preferred_out);
} else {
- out.set (DataType::MIDI, midi_out); // currently always zero
+ out.set (DataType::MIDI, midi_out);
out.set (DataType::AUDIO, audio_out);
}
return true;
}
}
- luabridge::LuaRef lua_midi_tbl (luabridge::newTable (L));
+ luabridge::LuaRef lua_midi_src_tbl (luabridge::newTable (L));
int e = 1; // > 1 port, we merge events (unsorted)
for (uint32_t mp = 0; mp < midi_in; ++mp) {
bool valid;
luabridge::LuaRef lua_midi_event (luabridge::newTable (L));
lua_midi_event["time"] = 1 + (*m).time();
lua_midi_event["data"] = lua_midi_data;
- lua_midi_tbl[e] = lua_midi_event;
+ lua_midi_src_tbl[e] = lua_midi_event;
}
}
}
if (_has_midi_input) {
// XXX TODO This needs a better solution than global namespace
- luabridge::push (L, lua_midi_tbl);
- lua_setglobal (L, "mididata");
+ luabridge::push (L, lua_midi_src_tbl);
+ lua_setglobal (L, "midiin");
}
+ luabridge::LuaRef lua_midi_sink_tbl (luabridge::newTable (L));
+ if (_has_midi_output) {
+ luabridge::push (L, lua_midi_sink_tbl);
+ lua_setglobal (L, "midiout");
+ }
// run the DSP function
(*_lua_dsp)(in_map, out_map, nframes);
+
+ // copy back midi events
+ if (_has_midi_output && lua_midi_sink_tbl.isTable ()) {
+ bool valid;
+ const uint32_t idx = out.get(DataType::MIDI, 0, &valid);
+ if (valid && bufs.count().n_midi() > idx) {
+ MidiBuffer& mbuf = bufs.get_midi(idx);
+ mbuf.silence(0, 0);
+ for (luabridge::Iterator i (lua_midi_sink_tbl); !i.isNil (); ++i) {
+ if (!i.key ().isNumber ()) { continue; }
+ if (!i.value ()["time"].isNumber ()) { continue; }
+ if (!i.value ()["data"].isTable ()) { continue; }
+ luabridge::LuaRef data_tbl (i.value ()["data"]);
+ framepos_t tme = i.value ()["time"];
+ if (tme < 1 || tme > nframes) { continue; }
+ uint8_t data[64];
+ size_t size = 0;
+ for (luabridge::Iterator di (data_tbl); !di.isNil () && size < sizeof(data); ++di, ++size) {
+ data[size] = di.value ();
+ }
+ if (size > 0 && size < 64) {
+ mbuf.push_back(tme - 1, size, data);
+ }
+ }
+
+ }
+ }
}
} catch (luabridge::LuaException const& e) {
PBD::error << "LuaException: " << e.what () << "\n";
--- /dev/null
+ardour {
+ ["type"] = "session",
+ name = "Rewrite Midi",
+ license = "MIT",
+ author = "Robin Gareus",
+ email = "robin@gareus.org",
+ site = "http://gareus.org",
+ description = [[An example session script preprocesses midi buffers.]]
+}
+
+function factory ()
+ -- this function is called in every process cycle, before processing
+ return function (n_samples)
+ _, t = Session:engine ():get_ports (ARDOUR.DataType.midi (), ARDOUR.PortList ())
+ for p in t[2]:iter () do
+ if not p:receives_input () then goto next end
+
+ if not p:name () == "MIDI/midi_in 1" then goto next end
+
+ midiport = p:to_midiport ()
+ assert (not midiport:isnil ())
+ mb = midiport:get_midi_buffer (n_samples);
+
+ events = mb:table() -- copy event list into lua table
+ mb:silence (n_samples, 0); -- clear existing buffer
+
+ for _,e in pairs (events) do
+ -- e is an http://ardourman/lua-scripting/class_reference/#Evoral:MidiEvent
+ e:set_channel (2)
+ mb:push_event (e)
+ end
+
+ ::next::
+ end
+ end
+end
--- /dev/null
+ardour {
+ ["type"] = "dsp",
+ name = "Midi Filter",
+ category = "Utility",
+ license = "MIT",
+ author = "Robin Gareus",
+ email = "robin@gareus.org",
+ site = "http://gareus.org",
+ description = [[An Example Midi Filter for prototyping.]]
+}
+
+function dsp_ioconfig ()
+ return { { audio_in = 0, audio_out = 0}, }
+end
+
+function dsp_has_midi_input () return true end
+function dsp_has_midi_output () return true end
+
+function dsp_run (_, _, n_samples)
+ assert (type(midiin) == "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
+
+ -- for each incoming midi event
+ for _,b in pairs (midiin) do
+ local t = b["time"] -- t = [ 1 .. n_samples ]
+ local d = b["data"] -- get midi-event
+
+ if (#d == 3 and bit32.band (d[1], 240) == 144) then -- note on
+ tx_midi (t, d)
+ end
+ if (#d == 3 and bit32.band (d[1], 240) == 128) then -- note off
+ tx_midi (t, d)
+ end
+ end
+end
--- /dev/null
+ardour {
+ ["type"] = "dsp",
+ name = "Midi Generator",
+ category = "Utility",
+ license = "MIT",
+ author = "Robin Gareus",
+ email = "robin@gareus.org",
+ site = "http://gareus.org",
+ description = [[An Example Midi Generator for prototyping.]]
+}
+
+function dsp_ioconfig ()
+ return { { audio_in = 0, audio_out = 0}, }
+end
+
+function dsp_has_midi_output () return true end
+
+local tme = 0 -- sample-counter
+local seq = 1 -- sequence-step
+local spb = 0 -- samples per beat
+
+local midi_sequence = {
+ { 0x90, 64, 127 },
+ { 0x80, 64, 0 },
+}
+
+function dsp_init (rate)
+ local bpm = 120
+ spb = rate * 60 / bpm
+ if spb < 2 then spb = 2 end
+end
+
+function dsp_run (_, _, n_samples)
+ assert (type(midiout) == "table")
+ assert (spb > 1)
+ local m = 1
+
+ for time = 1,n_samples do -- not very efficient
+ -- TODO, timestamp the sequence in beats, calc/skip to next event
+ tme = tme + 1
+
+ if tme >= spb then
+ midiout[m] = {}
+ midiout[m]["time"] = time
+ midiout[m]["data"] = midi_sequence[seq]
+
+ tme = 0
+ m = m + 1
+ if seq == #midi_sequence then seq = 1 else seq = seq + 1 end
+ end
+ end
+end
}
end
-function dsp_midi_input ()
+function dsp_has_midi_input ()
return true
end
local tme = 1
-- parse midi messages
- assert (type(mididata) == "table") -- global table of midi events (for now)
- for _,b in pairs (mididata) do
+ assert (type(midiin) == "table") -- global table of midi events (for now)
+ for _,b in pairs (midiin) do
local t = b["time"] -- t = [ 1 .. n_samples ]
-- synth sound until event
projects / ardour.git / commitdiff