summaryrefslogtreecommitdiffstats
path: root/src/engine/InternalController.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/engine/InternalController.cpp')
-rw-r--r--src/engine/InternalController.cpp141
1 files changed, 0 insertions, 141 deletions
diff --git a/src/engine/InternalController.cpp b/src/engine/InternalController.cpp
deleted file mode 100644
index 1995e2cf..00000000
--- a/src/engine/InternalController.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-/* This file is part of Ingen.
- * Copyright (C) 2007-2009 Dave 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 "InternalController.hpp"
-#include "PostProcessor.hpp"
-#include "events/MidiLearn.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 {
-
-using namespace Shared;
-
-static InternalPlugin controller_plugin(NS_INTERNALS "Controller", "controller");
-
-ControllerNode::ControllerNode(const string& path,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate,
- size_t buffer_size)
- : NodeBase(&controller_plugin, path, false, parent, srate, buffer_size)
- , _learning(false)
-{
- _ports = new Raul::Array<PortImpl*>(6);
-
- _midi_in_port = new InputPort(this, "input", 0, 1, DataType::EVENT, Raul::Atom(), _buffer_size);
- _ports->at(0) = _midi_in_port;
-
- _param_port = new InputPort(this, "controller", 1, 1, DataType::CONTROL, 0.0f, 1);
- _param_port->set_property("lv2:minimum", 0.0f);
- _param_port->set_property("lv2:maximum", 127.0f);
- _param_port->set_property("lv2:integer", true);
- _ports->at(1) = _param_port;
-
- _log_port = new InputPort(this, "logarithmic", 2, 1, DataType::CONTROL, 0.0f, 1);
- _log_port->set_property("lv2:toggled", true);
- _ports->at(2) = _log_port;
-
- _min_port = new InputPort(this, "minimum", 3, 1, DataType::CONTROL, 0.0f, 1);
- _ports->at(3) = _min_port;
-
- _max_port = new InputPort(this, "maximum", 4, 1, DataType::CONTROL, 1.0f, 1);
- _ports->at(4) = _max_port;
-
- _audio_port = new OutputPort(this, "ar_output", 5, 1, DataType::AUDIO, 0.0f, _buffer_size);
- _ports->at(5) = _audio_port;
-}
-
-
-void
-ControllerNode::process(ProcessContext& context)
-{
- NodeBase::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);
- //assert(midi_in->this_nframes() == context.nframes());
-
- 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();
- }
-
- NodeBase::post_process(context);
-}
-
-
-void
-ControllerNode::control(ProcessContext& context, uint8_t control_num, uint8_t val, FrameTime time)
-{
- assert(time - context.start() < _buffer_size);
-
- 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))->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))->value_at(0);
- const Sample max_port_val = ((AudioBuffer*)_max_port->buffer(0))->value_at(0);
- const Sample log_port_val = ((AudioBuffer*)_log_port->buffer(0))->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))->value_at(0))
- ((AudioBuffer*)_audio_port->buffer(0))->set_value(scaled_value, context.start(), time);
-}
-
-
-} // namespace Ingen
-