1 files changed, 0 insertions, 416 deletions
diff --git a/src/engine/internals/Note.cpp b/src/engine/internals/Note.cpp
deleted file mode 100644
index 8545857e..00000000
--- a/src/engine/internals/Note.cpp
+++ /dev/null
@@ -1,416 +0,0 @@
-/* This file is part of Ingen.
- * Copyright 2007-2011 David Robillard <http://drobilla.net>
- *
- * Ingen is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation; either version 2 of the License, or (at your option) any later
- * version.
- *
- * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <cmath>
-#include "raul/log.hpp"
-#include "raul/Array.hpp"
-#include "raul/Maid.hpp"
-#include "raul/midi_events.h"
-#include "shared/LV2URIMap.hpp"
-#include "internals/Note.hpp"
-#include "AudioBuffer.hpp"
-#include "Driver.hpp"
-#include "EventBuffer.hpp"
-#include "InputPort.hpp"
-#include "InternalPlugin.hpp"
-#include "OutputPort.hpp"
-#include "PatchImpl.hpp"
-#include "ProcessContext.hpp"
-#include "util.hpp"
-#include "ingen-config.h"
-
-#define LOG(s) s << "[NoteNode] "
-
-using namespace std;
-using namespace Raul;
-
-namespace Ingen {
-namespace Engine {
-namespace Internals {
-
-InternalPlugin* NoteNode::internal_plugin(Shared::LV2URIMap& uris) {
-	return new InternalPlugin(uris, NS_INTERNALS "Note", "note");
-}
-
-NoteNode::NoteNode(
-		InternalPlugin*    plugin,
-		BufferFactory&     bufs,
-		const std::string& path,
-		bool               polyphonic,
-		PatchImpl*         parent,
-		SampleRate         srate)
-	: NodeImpl(plugin, path, polyphonic, parent, srate)
-	, _voices(new Raul::Array<Voice>(_polyphony))
-	, _prepared_voices(NULL)
-	, _sustain(false)
-{
-	const Ingen::Shared::LV2URIMap& uris = bufs.uris();
-	_ports = new Raul::Array<PortImpl*>(5);
-
-	_midi_in_port = new InputPort(bufs, this, "input", 0, 1, PortType::EVENTS, Raul::Atom());
-	_midi_in_port->set_property(uris.lv2_name, "Input");
-	_ports->at(0) = _midi_in_port;
-
-	_freq_port = new OutputPort(bufs, this, "frequency", 1, _polyphony, PortType::AUDIO, 440.0f);
-	_freq_port->set_property(uris.lv2_name, "Frequency");
-	_ports->at(1) = _freq_port;
-
-	_vel_port = new OutputPort(bufs, this, "velocity", 2, _polyphony, PortType::AUDIO, 0.0f);
-	_vel_port->set_property(uris.lv2_minimum, 0.0f);
-	_vel_port->set_property(uris.lv2_maximum, 1.0f);
-	_vel_port->set_property(uris.lv2_name, "Velocity");
-	_ports->at(2) = _vel_port;
-
-	_gate_port = new OutputPort(bufs, this, "gate", 3, _polyphony, PortType::AUDIO, 0.0f);
-	_gate_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
-	_gate_port->set_property(uris.lv2_name, "Gate");
-	_ports->at(3) = _gate_port;
-
-	_trig_port = new OutputPort(bufs, this, "trigger", 4, _polyphony, PortType::AUDIO, 0.0f);
-	_trig_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
-	_trig_port->set_property(uris.lv2_name, "Trigger");
-	_ports->at(4) = _trig_port;
-}
-
-NoteNode::~NoteNode()
-{
-	delete _voices;
-}
-
-bool
-NoteNode::prepare_poly(BufferFactory& bufs, uint32_t poly)
-{
-	if (!_polyphonic)
-		return true;
-
-	NodeImpl::prepare_poly(bufs, poly);
-
-	if (_prepared_voices && poly <= _prepared_voices->size())
-		return true;
-
-	_prepared_voices = new Raul::Array<Voice>(poly, *_voices, Voice());
-
-	return true;
-}
-
-bool
-NoteNode::apply_poly(Raul::Maid& maid, uint32_t poly)
-{
-	if (!NodeImpl::apply_poly(maid, poly))
-		return false;
-
-	if (_prepared_voices) {
-		assert(_polyphony <= _prepared_voices->size());
-		maid.push(_voices);
-		_voices = _prepared_voices;
-		_prepared_voices = NULL;
-	}
-	assert(_polyphony <= _voices->size());
-
-	return true;
-}
-
-void
-NoteNode::process(ProcessContext& context)
-{
-	EventBuffer* const midi_in = (EventBuffer*)_midi_in_port->buffer(0).get();
-	NodeImpl::pre_process(context);
-
-	uint32_t frames    = 0;
-	uint32_t subframes = 0;
-	uint16_t type      = 0;
-	uint16_t size      = 0;
-	uint8_t* buf       = NULL;
-
-	midi_in->rewind();
-
-	if (midi_in->event_count() > 0)
-	for (midi_in->rewind(); midi_in->get_event(&frames, &subframes, &type, &size, &buf);
-			midi_in->increment()) {
-
-#ifdef RAUL_LOG_DEBUG
-		LOG(debug) << "EVENT TYPE " << type << " @ " << frames << "." << subframes << ": ";
-		for (uint16_t i = 0; i < size; ++i)
-			debug << (int)((char)buf[i]) << " ";
-		debug << endl;
-#endif
-
-		if (frames < context.offset())
-			continue;
-		if (frames > context.nframes())
-			break;
-
-		const FrameTime time = context.start() + (FrameTime)frames;
-
-		if (size >= 3) {
-			switch (buf[0] & 0xF0) {
-			case MIDI_CMD_NOTE_ON:
-				if (buf[2] == 0)
-					note_off(context, buf[1], time);
-				else
-					note_on(context, buf[1], buf[2], time);
-				break;
-			case MIDI_CMD_NOTE_OFF:
-				note_off(context, buf[1], time);
-				break;
-			case MIDI_CMD_CONTROL:
-				switch (buf[1]) {
-				case MIDI_CTL_ALL_NOTES_OFF:
-				case MIDI_CTL_ALL_SOUNDS_OFF:
-					all_notes_off(context, time);
-					break;
-				case MIDI_CTL_SUSTAIN:
-					if (buf[2] > 63)
-						sustain_on(context, time);
-					else
-						sustain_off(context, time);
-					break;
-				case MIDI_CMD_BENDER:
-					// ?
-					break;
-				default:
-					//warn << "Ignored controller " << buf[1] << endl;
-					break;
-				}
-				break;
-			default:
-				//fprintf(stderr, "Unknown (size %d) MIDI event %X\n", size, buf[0]);
-				break;
-			}
-		} else {
-			//fprintf(stderr, "Unknown (size %d) MIDI event %X\n", size, buf[0]);
-		}
-	}
-
-	NodeImpl::post_process(context);
-}
-
-void
-NoteNode::note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time)
-{
-	assert(time >= context.start() && time <= context.end());
-	assert(note_num <= 127);
-
-	Key*   key         = &_keys[note_num];
-	Voice* voice       = NULL;
-	uint32_t voice_num = 0;
-
-	if (key->state != Key::OFF) {
-#ifdef RAUL_LOG_DEBUG
-		LOG(debug) << "Double midi note received" << endl;
-#endif
-		return;
-	}
-
-	// Look for free voices
-	for (uint32_t i=0; i < _polyphony; ++i) {
-		if ((*_voices)[i].state == Voice::Voice::FREE) {
-			voice = &(*_voices)[i];
-			voice_num = i;
-			break;
-		}
-	}
-
-	// If we didn't find a free one, steal the oldest
-	if (voice == NULL) {
-		voice_num = 0;
-		voice = &(*_voices)[0];
-		FrameTime oldest_time = (*_voices)[0].time;
-		for (uint32_t i=1; i < _polyphony; ++i) {
-			if ((*_voices)[i].time < oldest_time) {
-				voice = &(*_voices)[i];
-				voice_num = i;
-				oldest_time = voice->time;
-			}
-		}
-	}
-	assert(voice != NULL);
-	assert(voice == &(*_voices)[voice_num]);
-
-#ifdef RAUL_LOG_DEBUG
-	LOG(debug) << "Note " << (int)note_num << " on @ " << time
-		<< ". Voice " << voice_num << " / " << _polyphony << endl;
-#endif
-
-	// Update stolen key, if applicable
-	if (voice->state == Voice::Voice::ACTIVE) {
-		assert(_keys[voice->note].state == Key::ON_ASSIGNED);
-		assert(_keys[voice->note].voice == voice_num);
-		_keys[voice->note].state = Key::Key::ON_UNASSIGNED;
-#ifdef RAUL_LOG_DEBUG
-		LOG(debug) << "Stole voice " << voice_num << endl;
-#endif
-	}
-
-	// Store key information for later reallocation on note off
-	key->state = Key::Key::ON_ASSIGNED;
-	key->voice = voice_num;
-	key->time  = time;
-
-	// Trigger voice
-	voice->state = Voice::Voice::ACTIVE;
-	voice->note  = note_num;
-	voice->time  = time;
-
-	assert(_keys[voice->note].state == Key::Key::ON_ASSIGNED);
-	assert(_keys[voice->note].voice == voice_num);
-
-	((AudioBuffer*)_freq_port->buffer(voice_num).get())->set_value(
-			note_to_freq(note_num), context.start(), time);
-	((AudioBuffer*)_vel_port->buffer(voice_num).get())->set_value(
-			velocity/127.0, context.start(), time);
-	((AudioBuffer*)_gate_port->buffer(voice_num).get())->set_value(
-			1.0f, context.start(), time);
-
-	// trigger (one sample)
-	((AudioBuffer*)_trig_port->buffer(voice_num).get())->set_value(
-			1.0f, context.start(), time);
-	((AudioBuffer*)_trig_port->buffer(voice_num).get())->set_value(
-			0.0f, context.start(), time + 1);
-
-	assert(key->state == Key::Key::ON_ASSIGNED);
-	assert(voice->state == Voice::Voice::ACTIVE);
-	assert(key->voice == voice_num);
-	assert((*_voices)[key->voice].note == note_num);
-}
-
-void
-NoteNode::note_off(ProcessContext& context, uint8_t note_num, FrameTime time)
-{
-	assert(time >= context.start() && time <= context.end());
-
-	Key* key = &_keys[note_num];
-
-#ifdef RAUL_LOG_DEBUG
-	debug << "Note " << (int)note_num << " off @ " << time << endl;
-#endif
-
-	if (key->state == Key::ON_ASSIGNED) {
-		// Assigned key, turn off voice and key
-		if ((*_voices)[key->voice].state == Voice::ACTIVE) {
-			assert((*_voices)[key->voice].note == note_num);
-
-			if ( ! _sustain) {
-#ifdef RAUL_LOG_DEBUG
-				debug << "Free voice " << key->voice << endl;
-#endif
-				free_voice(context, key->voice, time);
-			} else {
-#ifdef RAUL_LOG_DEBUG
-				debug << "Hold voice " << key->voice << endl;
-#endif
-				(*_voices)[key->voice].state = Voice::HOLDING;
-			}
-
-		} else {
-#ifdef RAUL_LOG_DEBUG
-			debug << "WARNING: Assigned key, but voice not active" << endl;
-#endif
-		}
-	}
-
-	key->state = Key::OFF;
-}
-
-void
-NoteNode::free_voice(ProcessContext& context, uint32_t voice, FrameTime time)
-{
-	assert(time >= context.start() && time <= context.end());
-
-	// Find a key to reassign to the freed voice (the newest, if there is one)
-	Key*    replace_key     = NULL;
-	uint8_t replace_key_num = 0;
-
-	for (uint8_t i = 0; i <= 127; ++i) {
-		if (_keys[i].state == Key::ON_UNASSIGNED) {
-			if (replace_key == NULL || _keys[i].time > replace_key->time) {
-				replace_key = &_keys[i];
-				replace_key_num = i;
-			}
-		}
-	}
-
-	if (replace_key != NULL) {  // Found a key to assign to freed voice
-		assert(&_keys[replace_key_num] == replace_key);
-		assert(replace_key->state == Key::ON_UNASSIGNED);
-
-		// Change the freq but leave the gate high and don't retrigger
-		((AudioBuffer*)_freq_port->buffer(voice).get())->set_value(note_to_freq(replace_key_num), context.start(), time);
-
-		replace_key->state = Key::ON_ASSIGNED;
-		replace_key->voice = voice;
-		_keys[(*_voices)[voice].note].state = Key::ON_UNASSIGNED;
-		(*_voices)[voice].note = replace_key_num;
-		(*_voices)[voice].state = Voice::ACTIVE;
-	} else {
-		// No new note for voice, deactivate (set gate low)
-#ifdef RAUL_LOG_DEBUG
-		LOG(debug) << "Note off: key " << (*_voices)[voice].note << " voice " << voice << endl;
-#endif
-		((AudioBuffer*)_gate_port->buffer(voice).get())->set_value(0.0f, context.start(), time);
-		(*_voices)[voice].state = Voice::FREE;
-	}
-}
-
-void
-NoteNode::all_notes_off(ProcessContext& context, FrameTime time)
-{
-	assert(time >= context.start() && time <= context.end());
-
-#ifdef RAUL_LOG_DEBUG
-	LOG(debug) << "All notes off @ " << time << endl;
-#endif
-
-	// FIXME: set all keys to Key::OFF?
-
-	for (uint32_t i = 0; i < _polyphony; ++i) {
-		((AudioBuffer*)_gate_port->buffer(i).get())->set_value(0.0f, context.start(), time);
-		(*_voices)[i].state = Voice::FREE;
-	}
-}
-
-float
-NoteNode::note_to_freq(int num)
-{
-	static const float A4 = 440.0f;
-	if (num >= 0 && num <= 119)
-		return A4 * powf(2.0f, (float)(num - 57.0f) / 12.0f);
-	return 1.0f;  // Frequency of zero causes numerical problems...
-}
-
-void
-NoteNode::sustain_on(ProcessContext& context, FrameTime time)
-{
-	_sustain = true;
-}
-
-void
-NoteNode::sustain_off(ProcessContext& context, FrameTime time)
-{
-	assert(time >= context.start() && time <= context.end());
-
-	_sustain = false;
-
-	for (uint32_t i=0; i < _polyphony; ++i)
-		if ((*_voices)[i].state == Voice::HOLDING)
-			free_voice(context, i, time);
-}
-
-} // namespace Internals
-} // namespace Engine
-} // namespace Ingen
-