From 98fe0e7056e6697396249531785d3899f94d79be Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 10 Jun 2006 01:52:02 +0000 Subject: More juggling git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1 --- src/engine/MidiControlNode.cpp | 133 ----------------------------------------- 1 file changed, 133 deletions(-) delete mode 100644 src/engine/MidiControlNode.cpp (limited to 'src/engine/MidiControlNode.cpp') diff --git a/src/engine/MidiControlNode.cpp b/src/engine/MidiControlNode.cpp deleted file mode 100644 index 2116c828..00000000 --- a/src/engine/MidiControlNode.cpp +++ /dev/null @@ -1,133 +0,0 @@ -/* This file is part of Om. Copyright (C) 2006 Dave Robillard. - * - * Om 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. - * - * Om 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., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "MidiControlNode.h" -#include -#include "Om.h" -#include "OmApp.h" -#include "PostProcessor.h" -#include "MidiLearnEvent.h" -#include "InputPort.h" -#include "OutputPort.h" -#include "PortInfo.h" -#include "Plugin.h" -#include "util.h" -#include "midi.h" - - -namespace Om { - - -MidiControlNode::MidiControlNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size) -: InternalNode(path, 1, parent, srate, buffer_size), - m_learning(false) -{ - m_num_ports = 7; - m_ports.alloc(m_num_ports); - - m_midi_in_port = new InputPort(this, "MIDI In", 0, 1, - new PortInfo("MIDI In", MIDI, INPUT), m_buffer_size); - m_ports.at(0) = m_midi_in_port; - - m_param_port = new InputPort(this, "Controller Number", 1, 1, - new PortInfo("Controller Number", CONTROL, INPUT, INTEGER, 60, 0, 127), 1); - m_ports.at(1) = m_param_port; - m_log_port = new InputPort(this, "Logarithmic", 2, 1, - new PortInfo("Logarithmic", CONTROL, INPUT, TOGGLE, 0, 0, 1), 1); - m_ports.at(2) = m_log_port; - - m_min_port = new InputPort(this, "Min", 3, 1, - new PortInfo("Min", CONTROL, INPUT, NONE, 0, 0, 65535), 1); - m_ports.at(3) = m_min_port; - - m_max_port = new InputPort(this, "Max", 4, 1, - new PortInfo("Max", CONTROL, INPUT, NONE, 1, 0, 65535), 1); - m_ports.at(4) = m_max_port; - - m_audio_port = new OutputPort(this, "Out (AR)", 5, 1, - new PortInfo("Out (AR)", AUDIO, OUTPUT, 0, 0, 1), m_buffer_size); - m_ports.at(5) = m_audio_port; - - m_control_port = new OutputPort(this, "Out (CR)", 6, 1, - new PortInfo("Out (CR)", CONTROL, OUTPUT, 0, 0, 1), 1); - m_ports.at(6) = m_control_port; - - m_plugin.type(Plugin::Internal); - m_plugin.plug_label("midi_control_in"); - m_plugin.name("Om Control Node (MIDI)"); -} - - -void -MidiControlNode::run(size_t nframes) -{ - InternalNode::run(nframes); - - MidiMessage ev; - - for (size_t i=0; i < m_midi_in_port->buffer(0)->filled_size(); ++i) { - ev = m_midi_in_port->buffer(0)->value_at(i); - - if ((ev.buffer[0] & 0xF0) == MIDI_CMD_CONTROL) - control(ev.buffer[1], ev.buffer[2], ev.time); - } -} - - -void -MidiControlNode::control(uchar control_num, uchar val, samplecount offset) -{ - assert(offset < m_buffer_size); - - sample scaled_value; - - const sample nval = (val / 127.0f); // normalized [0, 1] - - if (m_learning) { - assert(m_learn_event != NULL); - m_param_port->set_value(control_num, offset); - assert(m_param_port->buffer(0)->value_at(0) == control_num); - m_learn_event->set_value(control_num); - m_learn_event->execute(offset); - om->post_processor()->push(m_learn_event); - om->post_processor()->signal(); - m_learning = false; - m_learn_event = NULL; - } - - if (m_log_port->buffer(0)->value_at(0) > 0.0f) { - // haaaaack, stupid negatives and logarithms - sample log_offset = 0; - if (m_min_port->buffer(0)->value_at(0) < 0) - log_offset = fabs(m_min_port->buffer(0)->value_at(0)); - const sample min = log(m_min_port->buffer(0)->value_at(0)+1+log_offset); - const sample max = log(m_max_port->buffer(0)->value_at(0)+1+log_offset); - scaled_value = expf(nval * (max - min) + min) - 1 - log_offset; - } else { - const sample min = m_min_port->buffer(0)->value_at(0); - const sample max = m_max_port->buffer(0)->value_at(0); - scaled_value = ((nval) * (max - min)) + min; - } - - if (control_num == m_param_port->buffer(0)->value_at(0)) { - m_control_port->set_value(scaled_value, offset); - m_audio_port->set_value(scaled_value, offset); - } -} - - -} // namespace Om - -- cgit v1.2.1