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authorDavid Robillard <d@drobilla.net>2011-04-20 16:26:40 +0000
committerDavid Robillard <d@drobilla.net>2011-04-20 16:26:40 +0000
commit138a87e915ad3aff184730415105f94c874174bf (patch)
tree0d942bdddfdbcc3d969b4fce5592e770ab851b86 /src/engine/internals
parent1f1758f4dda0ddaf01c0b1d3a756f9db8ddc979d (diff)
downloadingen-138a87e915ad3aff184730415105f94c874174bf.tar.gz
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ingen-138a87e915ad3aff184730415105f94c874174bf.zip
Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name clases and fix #675).
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/internals')
-rw-r--r--src/engine/internals/Controller.cpp147
-rw-r--r--src/engine/internals/Controller.hpp74
-rw-r--r--src/engine/internals/Delay.cpp208
-rw-r--r--src/engine/internals/Delay.hpp78
-rw-r--r--src/engine/internals/Note.cpp416
-rw-r--r--src/engine/internals/Note.hpp101
-rw-r--r--src/engine/internals/Trigger.cpp168
-rw-r--r--src/engine/internals/Trigger.hpp77
8 files changed, 0 insertions, 1269 deletions
diff --git a/src/engine/internals/Controller.cpp b/src/engine/internals/Controller.cpp
deleted file mode 100644
index 15156f08..00000000
--- a/src/engine/internals/Controller.cpp
+++ /dev/null
@@ -1,147 +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 <math.h>
-#include "raul/midi_events.h"
-#include "shared/LV2URIMap.hpp"
-#include "internals/Controller.hpp"
-#include "PostProcessor.hpp"
-#include "events/SendPortValue.hpp"
-#include "InputPort.hpp"
-#include "OutputPort.hpp"
-#include "InternalPlugin.hpp"
-#include "AudioBuffer.hpp"
-#include "ProcessContext.hpp"
-#include "EventBuffer.hpp"
-#include "util.hpp"
-
-using namespace std;
-
-namespace Ingen {
-namespace Engine {
-namespace Internals {
-
-InternalPlugin* ControllerNode::internal_plugin(Shared::LV2URIMap& uris) {
- return new InternalPlugin(uris, NS_INTERNALS "Controller", "controller");
-}
-
-ControllerNode::ControllerNode(InternalPlugin* plugin,
- BufferFactory& bufs,
- const string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate)
- : NodeImpl(plugin, path, false, parent, srate)
- , _learning(false)
-{
- const Ingen::Shared::LV2URIMap& uris = bufs.uris();
- _ports = new Raul::Array<PortImpl*>(6);
-
- _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;
-
- _param_port = new InputPort(bufs, this, "controller", 1, 1, PortType::CONTROL, 0.0f);
- _param_port->set_property(uris.lv2_minimum, 0.0f);
- _param_port->set_property(uris.lv2_maximum, 127.0f);
- _param_port->set_property(uris.lv2_integer, true);
- _param_port->set_property(uris.lv2_name, "Controller");
- _ports->at(1) = _param_port;
-
- _log_port = new InputPort(bufs, this, "logarithmic", 2, 1, PortType::CONTROL, 0.0f);
- _log_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
- _log_port->set_property(uris.lv2_name, "Logarithmic");
- _ports->at(2) = _log_port;
-
- _min_port = new InputPort(bufs, this, "minimum", 3, 1, PortType::CONTROL, 0.0f);
- _min_port->set_property(uris.lv2_name, "Minimum");
- _ports->at(3) = _min_port;
-
- _max_port = new InputPort(bufs, this, "maximum", 4, 1, PortType::CONTROL, 1.0f);
- _max_port->set_property(uris.lv2_name, "Maximum");
- _ports->at(4) = _max_port;
-
- _audio_port = new OutputPort(bufs, this, "ar_output", 5, 1, PortType::AUDIO, 0.0f);
- _audio_port->set_property(uris.lv2_name, "Output");
- _ports->at(5) = _audio_port;
-}
-
-void
-ControllerNode::process(ProcessContext& context)
-{
- NodeImpl::pre_process(context);
-
- uint32_t frames = 0;
- uint32_t subframes = 0;
- uint16_t type = 0;
- uint16_t size = 0;
- uint8_t* buf = NULL;
-
- EventBuffer* const midi_in = (EventBuffer*)_midi_in_port->buffer(0).get();
-
- midi_in->rewind();
-
- while (midi_in->get_event(&frames, &subframes, &type, &size, &buf)) {
- // FIXME: type
- if (size >= 3 && (buf[0] & 0xF0) == MIDI_CMD_CONTROL)
- control(context, buf[1], buf[2], frames + context.start());
-
- midi_in->increment();
- }
-
- NodeImpl::post_process(context);
-}
-
-void
-ControllerNode::control(ProcessContext& context, uint8_t control_num, uint8_t val, FrameTime time)
-{
- Sample scaled_value;
-
- const Sample nval = (val / 127.0f); // normalized [0, 1]
-
- if (_learning) {
- _param_port->set_value(control_num);
- ((AudioBuffer*)_param_port->buffer(0).get())->set_value(
- (float)control_num, context.start(), context.end());
- _param_port->broadcast_value(context, true);
- _learning = false;
- }
-
- const Sample min_port_val = ((AudioBuffer*)_min_port->buffer(0).get())->value_at(0);
- const Sample max_port_val = ((AudioBuffer*)_max_port->buffer(0).get())->value_at(0);
- const Sample log_port_val = ((AudioBuffer*)_log_port->buffer(0).get())->value_at(0);
-
- if (log_port_val > 0.0f) {
- // haaaaack, stupid negatives and logarithms
- Sample log_offset = 0;
- if (min_port_val < 0)
- log_offset = fabs(min_port_val);
- const Sample min = log(min_port_val + 1 + log_offset);
- const Sample max = log(max_port_val + 1 + log_offset);
- scaled_value = expf(nval * (max - min) + min) - 1 - log_offset;
- } else {
- scaled_value = ((nval) * (max_port_val - min_port_val)) + min_port_val;
- }
-
- if (control_num == ((AudioBuffer*)_param_port->buffer(0).get())->value_at(0))
- ((AudioBuffer*)_audio_port->buffer(0).get())->set_value(scaled_value, context.start(), time);
-}
-
-} // namespace Internals
-} // namespace Engine
-} // namespace Ingen
-
diff --git a/src/engine/internals/Controller.hpp b/src/engine/internals/Controller.hpp
deleted file mode 100644
index 54b1d3ac..00000000
--- a/src/engine/internals/Controller.hpp
+++ /dev/null
@@ -1,74 +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
- */
-
-#ifndef INGEN_INTERNALS_CONTROLLER_HPP
-#define INGEN_INTERNALS_CONTROLLER_HPP
-
-#include <string>
-#include "NodeImpl.hpp"
-
-namespace Ingen {
-namespace Engine {
-
-class InputPort;
-class OutputPort;
-class InternalPlugin;
-
-namespace Internals {
-
-/** MIDI control input node.
- *
- * Creating one of these nodes is how a user makes "MIDI Bindings". Note that
- * this node will always be monophonic, the poly parameter is ignored.
- *
- * \ingroup engine
- */
-class ControllerNode : public NodeImpl
-{
-public:
- ControllerNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate);
-
- void process(ProcessContext& context);
-
- void control(ProcessContext& context, uint8_t control_num, uint8_t val, FrameTime time);
-
- void learn() { _learning = true; }
-
- static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris);
-
-private:
- bool _learning;
-
- InputPort* _midi_in_port;
- InputPort* _param_port;
- InputPort* _log_port;
- InputPort* _min_port;
- InputPort* _max_port;
- OutputPort* _audio_port;
-};
-
-} // namespace Engine
-} // namespace Ingen
-} // namespace Internals
-
-#endif // INGEN_INTERNALS_CONTROLLER_HPP
diff --git a/src/engine/internals/Delay.cpp b/src/engine/internals/Delay.cpp
deleted file mode 100644
index bded108a..00000000
--- a/src/engine/internals/Delay.cpp
+++ /dev/null
@@ -1,208 +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 <limits.h>
-#include "raul/log.hpp"
-#include "raul/Array.hpp"
-#include "raul/Maid.hpp"
-#include "raul/midi_events.h"
-#include "shared/LV2URIMap.hpp"
-#include "internals/Delay.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 "ingen-config.h"
-#include "util.hpp"
-
-#define LOG(s) s << "[DelayNode] "
-
-#define CALC_DELAY(delaytime) \
- (f_clamp (delaytime * (float)sample_rate, 1.0f, (float)(buffer_mask + 1)))
-
-using namespace std;
-using namespace Raul;
-
-namespace Ingen {
-namespace Engine {
-namespace Internals {
-
-static const float MAX_DELAY_SECONDS = 8.0f;
-
-InternalPlugin* DelayNode::internal_plugin(Shared::LV2URIMap& uris) {
- return new InternalPlugin(uris, NS_INTERNALS "Delay", "delay");
-}
-
-DelayNode::DelayNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate)
- : NodeImpl(plugin, path, polyphonic, parent, srate)
- , _buffer(0)
- , _buffer_length(0)
- , _buffer_mask(0)
- , _write_phase(0)
-{
- const Ingen::Shared::LV2URIMap& uris = bufs.uris();
- _ports = new Raul::Array<PortImpl*>(3);
-
- const float default_delay = 1.0f;
- _last_delay_time = default_delay;
- _delay_samples = default_delay;
-
- _delay_port = new InputPort(bufs, this, "delay", 1, _polyphony, PortType::CONTROL, default_delay);
- _delay_port->set_property(uris.lv2_name, "Delay");
- _delay_port->set_property(uris.lv2_default, default_delay);
- _delay_port->set_property(uris.lv2_minimum, (float)(1.0/(double)srate));
- _delay_port->set_property(uris.lv2_maximum, MAX_DELAY_SECONDS);
- _ports->at(0) = _delay_port;
-
- _in_port = new InputPort(bufs, this, "in", 0, 1, PortType::AUDIO, 0.0f);
- _in_port->set_property(uris.lv2_name, "Input");
- _ports->at(1) = _in_port;
-
- _out_port = new OutputPort(bufs, this, "out", 0, 1, PortType::AUDIO, 0.0f);
- _out_port->set_property(uris.lv2_name, "Output");
- _ports->at(2) = _out_port;
-
- //_buffer = bufs.get(PortType::AUDIO, bufs.audio_buffer_size(buffer_length_frames), true);
-
-}
-
-DelayNode::~DelayNode()
-{
- //_buffer.reset();
- free(_buffer);
-}
-
-void
-DelayNode::activate(BufferFactory& bufs)
-{
- NodeImpl::activate(bufs);
- const SampleCount min_size = MAX_DELAY_SECONDS * _srate;
-
- // Smallest power of two larger than min_size
- SampleCount size = 1;
- while (size < min_size)
- size <<= 1;
-
- _buffer = (float*)calloc(size, sizeof(float));
- _buffer_mask = size - 1;
- _buffer_length = size;
- //_buffer->clear();
- _write_phase = 0;
-}
-
-static inline float f_clamp(float x, float a, float b)
-{
- const float x1 = fabs(x - a);
- const float x2 = fabs(x - b);
-
- x = x1 + a + b;
- x -= x2;
- x *= 0.5;
-
- return x;
-}
-
-static inline float cube_interp(const float fr, const float inm1, const float
- in, const float inp1, const float inp2)
-{
- return in + 0.5f * fr * (inp1 - inm1 +
- fr * (4.0f * inp1 + 2.0f * inm1 - 5.0f * in - inp2 +
- fr * (3.0f * (in - inp1) - inm1 + inp2)));
-}
-
-void
-DelayNode::process(ProcessContext& context)
-{
- AudioBuffer* const delay_buf = (AudioBuffer*)_delay_port->buffer(0).get();
- AudioBuffer* const in_buf = (AudioBuffer*)_in_port->buffer(0).get();
- AudioBuffer* const out_buf = (AudioBuffer*)_out_port->buffer(0).get();
-
- NodeImpl::pre_process(context);
-
- DelayNode* plugin_data = this;
-
- const float* const in = in_buf->data();
- float* const out = out_buf->data();
- const float delay_time = delay_buf->data()[0];
- const uint32_t buffer_mask = plugin_data->_buffer_mask;
- const unsigned int sample_rate = plugin_data->_srate;
- float delay_samples = plugin_data->_delay_samples;
- long write_phase = plugin_data->_write_phase;
- const uint32_t sample_count = context.nframes();
-
- if (write_phase == 0) {
- _last_delay_time = delay_time;
- _delay_samples = delay_samples = CALC_DELAY(delay_time);
- }
-
- if (delay_time == _last_delay_time) {
- const long idelay_samples = (long)delay_samples;
- const float frac = delay_samples - idelay_samples;
-
- for (uint32_t i = 0; i < sample_count; i++) {
- long read_phase = write_phase - (long)delay_samples;
- const float read = cube_interp(frac,
- buffer_at(read_phase - 1),
- buffer_at(read_phase),
- buffer_at(read_phase + 1),
- buffer_at(read_phase + 2));
- buffer_at(write_phase++) = in[i];
- out[i] = read;
- }
- } else {
- const float next_delay_samples = CALC_DELAY(delay_time);
- const float delay_samples_slope = (next_delay_samples - delay_samples) / sample_count;
-
- for (uint32_t i = 0; i < sample_count; i++) {
- delay_samples += delay_samples_slope;
- write_phase++;
- const long read_phase = write_phase - (long)delay_samples;
- const long idelay_samples = (long)delay_samples;
- const float frac = delay_samples - idelay_samples;
- const float read = cube_interp(frac,
- buffer_at(read_phase - 1),
- buffer_at(read_phase),
- buffer_at(read_phase + 1),
- buffer_at(read_phase + 2));
- buffer_at(write_phase) = in[i];
- out[i] = read;
- }
-
- _last_delay_time = delay_time;
- _delay_samples = delay_samples;
- }
-
- _write_phase = write_phase;
-
- NodeImpl::post_process(context);
-}
-
-} // namespace Internals
-} // namespace Engine
-} // namespace Ingen
-
diff --git a/src/engine/internals/Delay.hpp b/src/engine/internals/Delay.hpp
deleted file mode 100644
index bc6f2682..00000000
--- a/src/engine/internals/Delay.hpp
+++ /dev/null
@@ -1,78 +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
- */
-
-#ifndef INGEN_INTERNALS_DELAY_HPP
-#define INGEN_INTERNALS_DELAY_HPP
-
-#include <string>
-#include <math.h>
-#include "types.hpp"
-#include "NodeImpl.hpp"
-
-namespace Ingen {
-namespace Engine {
-
-class InputPort;
-class OutputPort;
-class InternalPlugin;
-class BufferFactory;
-
-namespace Internals {
-
-class DelayNode : public NodeImpl
-{
-public:
- DelayNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate);
-
- ~DelayNode();
-
- void activate(BufferFactory& bufs);
-
- void process(ProcessContext& context);
-
- static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris);
-
- float delay_samples() const { return _delay_samples; }
-
-private:
- inline float& buffer_at(long phase) const { return _buffer[phase & _buffer_mask]; }
-
- InputPort* _delay_port;
- InputPort* _in_port;
- OutputPort* _out_port;
-
- typedef long Phase;
-
- float* _buffer;
- uint32_t _buffer_length;
- uint32_t _buffer_mask;
- Phase _write_phase;
- float _last_delay_time;
- float _delay_samples;
-};
-
-} // namespace Engine
-} // namespace Ingen
-} // namespace Internals
-
-#endif // INGEN_INTERNALS_DELAY_HPP
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
-
diff --git a/src/engine/internals/Note.hpp b/src/engine/internals/Note.hpp
deleted file mode 100644
index 7a47dc76..00000000
--- a/src/engine/internals/Note.hpp
+++ /dev/null
@@ -1,101 +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
- */
-
-#ifndef INGEN_INTERNALS_NOTE_HPP
-#define INGEN_INTERNALS_NOTE_HPP
-
-#include <string>
-#include "types.hpp"
-#include "NodeImpl.hpp"
-
-namespace Ingen {
-namespace Engine {
-
-class InputPort;
-class OutputPort;
-class InternalPlugin;
-
-namespace Internals {
-
-/** MIDI note input node.
- *
- * For pitched instruments like keyboard, etc.
- *
- * \ingroup engine
- */
-class NoteNode : public NodeImpl
-{
-public:
- NoteNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate);
-
- ~NoteNode();
-
- bool prepare_poly(BufferFactory& bufs, uint32_t poly);
- bool apply_poly(Raul::Maid& maid, uint32_t poly);
-
- void process(ProcessContext& context);
-
- void note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time);
- void note_off(ProcessContext& context, uint8_t note_num, FrameTime time);
- void all_notes_off(ProcessContext& context, FrameTime time);
-
- void sustain_on(ProcessContext& context, FrameTime time);
- void sustain_off(ProcessContext& context, FrameTime time);
-
- static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris);
-
-private:
- /** Key, one for each key on the keyboard */
- struct Key {
- enum State { OFF, ON_ASSIGNED, ON_UNASSIGNED };
- Key() : state(OFF), voice(0), time(0) {}
- State state; uint32_t voice; SampleCount time;
- };
-
- /** Voice, one of these always exists for each voice */
- struct Voice {
- enum State { FREE, ACTIVE, HOLDING };
- Voice() : state(FREE), note(0), time(0) {}
- State state; uint8_t note; SampleCount time;
- };
-
- float note_to_freq(int num);
- void free_voice(ProcessContext& context, uint32_t voice, FrameTime time);
-
- Raul::Array<Voice>* _voices;
- Raul::Array<Voice>* _prepared_voices;
- Key _keys[128];
- bool _sustain; ///< Whether or not hold pedal is depressed
-
- InputPort* _midi_in_port;
- OutputPort* _freq_port;
- OutputPort* _vel_port;
- OutputPort* _gate_port;
- OutputPort* _trig_port;
-};
-
-} // namespace Engine
-} // namespace Ingen
-} // namespace Internals
-
-#endif // INGEN_INTERNALS_NOTE_HPP
diff --git a/src/engine/internals/Trigger.cpp b/src/engine/internals/Trigger.cpp
deleted file mode 100644
index 55474618..00000000
--- a/src/engine/internals/Trigger.cpp
+++ /dev/null
@@ -1,168 +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/midi_events.h"
-#include "shared/LV2URIMap.hpp"
-#include "internals/Trigger.hpp"
-#include "AudioBuffer.hpp"
-#include "EventBuffer.hpp"
-#include "InputPort.hpp"
-#include "InternalPlugin.hpp"
-#include "OutputPort.hpp"
-#include "ProcessContext.hpp"
-#include "util.hpp"
-#include "ingen-config.h"
-
-#define LOG(s) s << "[TriggerNode] "
-
-using namespace std;
-using namespace Raul;
-
-namespace Ingen {
-namespace Engine {
-namespace Internals {
-
-InternalPlugin* TriggerNode::internal_plugin(Shared::LV2URIMap& uris) {
- return new InternalPlugin(uris, NS_INTERNALS "Trigger", "trigger");
-}
-
-TriggerNode::TriggerNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate)
- : NodeImpl(plugin, path, false, parent, srate)
- , _learning(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;
-
- _note_port = new InputPort(bufs, this, "note", 1, 1, PortType::CONTROL, 60.0f);
- _note_port->set_property(uris.lv2_minimum, 0.0f);
- _note_port->set_property(uris.lv2_maximum, 127.0f);
- _note_port->set_property(uris.lv2_integer, true);
- _note_port->set_property(uris.lv2_name, "Note");
- _ports->at(1) = _note_port;
-
- _gate_port = new OutputPort(bufs, this, "gate", 2, 1, PortType::AUDIO, 0.0f);
- _gate_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
- _gate_port->set_property(uris.lv2_name, "Gate");
- _ports->at(2) = _gate_port;
-
- _trig_port = new OutputPort(bufs, this, "trigger", 3, 1, PortType::AUDIO, 0.0f);
- _trig_port->set_property(uris.lv2_portProperty, uris.lv2_toggled);
- _trig_port->set_property(uris.lv2_name, "Trigger");
- _ports->at(3) = _trig_port;
-
- _vel_port = new OutputPort(bufs, this, "velocity", 4, 1, 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(4) = _vel_port;
-}
-
-void
-TriggerNode::process(ProcessContext& context)
-{
- NodeImpl::pre_process(context);
-
- uint32_t frames = 0;
- uint32_t subframes = 0;
- uint16_t type = 0;
- uint16_t size = 0;
- uint8_t* buf = NULL;
-
- EventBuffer* const midi_in = (EventBuffer*)_midi_in_port->buffer(0).get();
-
- midi_in->rewind();
-
- while (midi_in->get_event(&frames, &subframes, &type, &size, &buf)) {
- 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:
- if (buf[1] == MIDI_CTL_ALL_NOTES_OFF
- || buf[1] == MIDI_CTL_ALL_SOUNDS_OFF)
- ((AudioBuffer*)_gate_port->buffer(0).get())->set_value(0.0f, context.start(), time);
- default:
- break;
- }
- }
-
- midi_in->increment();
- }
-
- NodeImpl::post_process(context);
-}
-
-void
-TriggerNode::note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time)
-{
- assert(time >= context.start() && time <= context.end());
-
- if (_learning) {
- _note_port->set_value(note_num);
- ((AudioBuffer*)_note_port->buffer(0).get())->set_value(
- (float)note_num, context.start(), context.end());
- _note_port->broadcast_value(context, true);
- _learning = false;
- }
-
-#ifdef RAUL_LOG_DEBUG
- LOG(debug) << path() << " note " << (int)note_num << " on @ " << time << endl;
-#endif
-
- Sample filter_note = ((AudioBuffer*)_note_port->buffer(0).get())->value_at(0);
- if (filter_note >= 0.0 && filter_note < 127.0 && (note_num == (uint8_t)filter_note)) {
- ((AudioBuffer*)_gate_port->buffer(0).get())->set_value(1.0f, context.start(), time);
- ((AudioBuffer*)_trig_port->buffer(0).get())->set_value(1.0f, context.start(), time);
- ((AudioBuffer*)_trig_port->buffer(0).get())->set_value(0.0f, context.start(), time + 1);
- ((AudioBuffer*)_vel_port->buffer(0).get())->set_value(velocity / 127.0f, context.start(), time);
- assert(((AudioBuffer*)_trig_port->buffer(0).get())->data()[time - context.start()] == 1.0f);
- }
-}
-
-void
-TriggerNode::note_off(ProcessContext& context, uint8_t note_num, FrameTime time)
-{
- assert(time >= context.start() && time <= context.end());
-
- if (note_num == lrintf(((AudioBuffer*)_note_port->buffer(0).get())->value_at(0)))
- ((AudioBuffer*)_gate_port->buffer(0).get())->set_value(0.0f, context.start(), time);
-}
-
-} // namespace Internals
-} // namespace Engine
-} // namespace Ingen
diff --git a/src/engine/internals/Trigger.hpp b/src/engine/internals/Trigger.hpp
deleted file mode 100644
index da796f5e..00000000
--- a/src/engine/internals/Trigger.hpp
+++ /dev/null
@@ -1,77 +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
- */
-
-#ifndef INGEN_INTERNALS_TRIGGER_HPP
-#define INGEN_INTERNALS_TRIGGER_HPP
-
-#include <string>
-#include "NodeImpl.hpp"
-
-namespace Ingen {
-namespace Engine {
-
-class InputPort;
-class OutputPort;
-class InternalPlugin;
-
-namespace Internals {
-
-/** MIDI trigger input node.
- *
- * Just has a gate, for drums etc. A control port is used to select
- * which note number is responded to.
- *
- * Note that this node is always monophonic, the poly parameter is ignored.
- * (Should that change?)
- *
- * \ingroup engine
- */
-class TriggerNode : public NodeImpl
-{
-public:
- TriggerNode(
- InternalPlugin* plugin,
- BufferFactory& bufs,
- const std::string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate);
-
- void process(ProcessContext& context);
-
- void note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time);
- void note_off(ProcessContext& context, uint8_t note_num, FrameTime time);
-
- void learn() { _learning = true; }
-
- static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris);
-
-private:
- bool _learning;
-
- InputPort* _midi_in_port;
- InputPort* _note_port;
- OutputPort* _gate_port;
- OutputPort* _trig_port;
- OutputPort* _vel_port;
-};
-
-} // namespace Engine
-} // namespace Ingen
-} // namespace Internals
-
-#endif // INGEN_INTERNALS_TRIGGER_HPP