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-rw-r--r--src/server/internals/Trigger.cpp72
1 files changed, 50 insertions, 22 deletions
diff --git a/src/server/internals/Trigger.cpp b/src/server/internals/Trigger.cpp
index 49a3a2ed..dc703271 100644
--- a/src/server/internals/Trigger.cpp
+++ b/src/server/internals/Trigger.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Ingen.
- Copyright 2007-2015 David Robillard <http://drobilla.net/>
+ Copyright 2007-2016 David Robillard <http://drobilla.net/>
Ingen is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
@@ -51,7 +51,7 @@ TriggerNode::TriggerNode(InternalPlugin* plugin,
, _learning(false)
{
const Ingen::URIs& uris = bufs.uris();
- _ports = new Raul::Array<PortImpl*>(5);
+ _ports = new Raul::Array<PortImpl*>(6);
const Atom zero = bufs.forge().make(0.0f);
@@ -62,7 +62,14 @@ TriggerNode::TriggerNode(InternalPlugin* plugin,
bufs.forge().make_urid(uris.midi_MidiEvent));
_ports->at(0) = _midi_in_port;
- _note_port = new InputPort(bufs, this, Raul::Symbol("note"), 1, 1,
+ _midi_out_port = new OutputPort(bufs, this, Raul::Symbol("event"), 1, 1,
+ PortType::ATOM, uris.atom_Sequence, Atom());
+ _midi_out_port->set_property(uris.lv2_name, bufs.forge().alloc("Event"));
+ _midi_out_port->set_property(uris.atom_supports,
+ bufs.forge().make_urid(uris.midi_MidiEvent));
+ _ports->at(1) = _midi_out_port;
+
+ _note_port = new InputPort(bufs, this, Raul::Symbol("note"), 2, 1,
PortType::ATOM, uris.atom_Sequence,
bufs.forge().make(60.0f));
_note_port->set_property(uris.atom_supports, bufs.uris().atom_Float);
@@ -70,69 +77,82 @@ TriggerNode::TriggerNode(InternalPlugin* plugin,
_note_port->set_property(uris.lv2_maximum, bufs.forge().make(127.0f));
_note_port->set_property(uris.lv2_portProperty, uris.lv2_integer);
_note_port->set_property(uris.lv2_name, bufs.forge().alloc("Note"));
- _ports->at(1) = _note_port;
+ _ports->at(2) = _note_port;
- _gate_port = new OutputPort(bufs, this, Raul::Symbol("gate"), 2, 1,
+ _gate_port = new OutputPort(bufs, this, Raul::Symbol("gate"), 3, 1,
PortType::ATOM, uris.atom_Sequence, zero);
_gate_port->set_property(uris.atom_supports, bufs.uris().atom_Float);
_gate_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
_gate_port->set_property(uris.lv2_name, bufs.forge().alloc("Gate"));
- _ports->at(2) = _gate_port;
+ _ports->at(3) = _gate_port;
- _trig_port = new OutputPort(bufs, this, Raul::Symbol("trigger"), 3, 1,
+ _trig_port = new OutputPort(bufs, this, Raul::Symbol("trigger"), 4, 1,
PortType::ATOM, uris.atom_Sequence, zero);
_trig_port->set_property(uris.atom_supports, bufs.uris().atom_Float);
_trig_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
_trig_port->set_property(uris.lv2_name, bufs.forge().alloc("Trigger"));
- _ports->at(3) = _trig_port;
+ _ports->at(4) = _trig_port;
- _vel_port = new OutputPort(bufs, this, Raul::Symbol("velocity"), 4, 1,
+ _vel_port = new OutputPort(bufs, this, Raul::Symbol("velocity"), 5, 1,
PortType::ATOM, uris.atom_Sequence, zero);
_vel_port->set_property(uris.atom_supports, bufs.uris().atom_Float);
_vel_port->set_property(uris.lv2_minimum, zero);
_vel_port->set_property(uris.lv2_maximum, bufs.forge().make(1.0f));
_vel_port->set_property(uris.lv2_name, bufs.forge().alloc("Velocity"));
- _ports->at(4) = _vel_port;
+ _ports->at(5) = _vel_port;
}
void
TriggerNode::run(RunContext& context)
{
- Buffer* const midi_in = _midi_in_port->buffer(0).get();
- LV2_Atom_Sequence* seq = midi_in->get<LV2_Atom_Sequence>();
+ const BufferRef midi_in = _midi_in_port->buffer(0);
+ LV2_Atom_Sequence* const seq = midi_in->get<LV2_Atom_Sequence>();
+ const BufferRef midi_out = _midi_out_port->buffer(0);
+
+ // Initialise output to the empty sequence
+ midi_out->prepare_write(context);
+
LV2_ATOM_SEQUENCE_FOREACH(seq, ev) {
- const uint8_t* buf = (const uint8_t*)LV2_ATOM_BODY(&ev->body);
+ const int64_t t = ev->time.frames;
+ const uint8_t* buf = (const uint8_t*)LV2_ATOM_BODY(&ev->body);
+ bool emit = false;
if (ev->body.type == _midi_in_port->bufs().uris().midi_MidiEvent &&
ev->body.size >= 3) {
- const FrameTime time = context.start() + ev->time.frames;
+ const FrameTime time = context.start() + t;
switch (lv2_midi_message_type(buf)) {
case LV2_MIDI_MSG_NOTE_ON:
if (buf[2] == 0) {
- note_off(context, buf[1], time);
+ emit = note_off(context, buf[1], time);
} else {
- note_on(context, buf[1], buf[2], time);
+ emit = note_on(context, buf[1], buf[2], time);
}
break;
case LV2_MIDI_MSG_NOTE_OFF:
- note_off(context, buf[1], time);
+ emit = note_off(context, buf[1], time);
break;
case LV2_MIDI_MSG_CONTROLLER:
switch (buf[1]) {
case LV2_MIDI_CTL_ALL_NOTES_OFF:
case LV2_MIDI_CTL_ALL_SOUNDS_OFF:
_gate_port->set_control_value(context, time, 0.0f);
+ emit = true;
}
default:
break;
}
}
+
+ if (emit) {
+ midi_out->append_event(t, &ev->body);
+ }
}
}
-void
+bool
TriggerNode::note_on(RunContext& context, uint8_t note_num, uint8_t velocity, FrameTime time)
{
assert(time >= context.start() && time <= context.end());
+ const uint32_t offset = time - context.start();
if (_learning) {
_note_port->set_control_value(context, time, (float)note_num);
@@ -140,22 +160,30 @@ TriggerNode::note_on(RunContext& context, uint8_t note_num, uint8_t velocity, Fr
_learning = false;
}
- const Sample filter_note = _note_port->buffer(0)->value_at(0);
- if (filter_note >= 0.0 && filter_note < 127.0 && (note_num == (uint8_t)filter_note)) {
+ _note_port->update_values(offset, 0);
+ if (note_num == lrintf(_note_port->buffer(0)->value_at(offset))) {
_gate_port->set_control_value(context, time, 1.0f);
_trig_port->set_control_value(context, time, 1.0f);
_trig_port->set_control_value(context, time + 1, 0.0f);
_vel_port->set_control_value(context, time, velocity / 127.0f);
+ return true;
}
+ return false;
}
-void
+bool
TriggerNode::note_off(RunContext& context, uint8_t note_num, FrameTime time)
{
assert(time >= context.start() && time <= context.end());
+ const uint32_t offset = time - context.start();
- if (note_num == lrintf(_note_port->buffer(0)->value_at(0)))
+ _note_port->update_values(offset, 0);
+ if (note_num == lrintf(_note_port->buffer(0)->value_at(offset))) {
_gate_port->set_control_value(context, time, 0.0f);
+ return true;
+ }
+
+ return false;
}
} // namespace Internals