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author | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
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committer | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
commit | 98fe0e7056e6697396249531785d3899f94d79be (patch) | |
tree | 233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/engine/MidiTriggerNode.cpp | |
parent | 6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff) | |
download | ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.gz ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.bz2 ingen-98fe0e7056e6697396249531785d3899f94d79be.zip |
More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/MidiTriggerNode.cpp')
-rw-r--r-- | src/engine/MidiTriggerNode.cpp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/engine/MidiTriggerNode.cpp b/src/engine/MidiTriggerNode.cpp deleted file mode 100644 index 4fda80e7..00000000 --- a/src/engine/MidiTriggerNode.cpp +++ /dev/null @@ -1,124 +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 "MidiTriggerNode.h" -#include <cmath> -#include "InputPort.h" -#include "OutputPort.h" -#include "PortInfo.h" -#include "Plugin.h" -#include "util.h" -#include "midi.h" - -namespace Om { - - -MidiTriggerNode::MidiTriggerNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size) -: InternalNode(path, 1, parent, srate, buffer_size) -{ - m_num_ports = 5; - m_ports.alloc(m_num_ports); - - m_midi_in_port = new InputPort<MidiMessage>(this, "MIDI In", 0, 1, - new PortInfo("MIDI In", MIDI, INPUT), m_buffer_size); - m_ports.at(0) = m_midi_in_port; - - m_note_port = new InputPort<sample>(this, "Note Number", 1, 1, - new PortInfo("Note Number", CONTROL, INPUT, INTEGER, 60, 0, 127), 1); - m_ports.at(1) = m_note_port; - - m_gate_port = new OutputPort<sample>(this, "Gate", 2, 1, - new PortInfo("Gate", AUDIO, OUTPUT, 0, 0, 1), m_buffer_size); - m_ports.at(2) = m_gate_port; - - m_trig_port = new OutputPort<sample>(this, "Trigger", 3, 1, - new PortInfo("Trigger", AUDIO, OUTPUT, 0, 0, 1), m_buffer_size); - m_ports.at(3) = m_trig_port; - - m_vel_port = new OutputPort<sample>(this, "Velocity", 4, poly, - new PortInfo("Velocity", AUDIO, OUTPUT, 0, 0, 1), m_buffer_size); - m_ports.at(4) = m_vel_port; - - m_plugin.type(Plugin::Internal); - m_plugin.plug_label("trigger_in"); - m_plugin.name("Om Trigger Node (MIDI, OSC)"); -} - - -void -MidiTriggerNode::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); - - switch (ev.buffer[0] & 0xF0) { - case MIDI_CMD_NOTE_ON: - if (ev.buffer[2] == 0) - note_off(ev.buffer[1], ev.time); - else - note_on(ev.buffer[1], ev.buffer[2], ev.time); - break; - case MIDI_CMD_NOTE_OFF: - note_off(ev.buffer[1], ev.time); - break; - case MIDI_CMD_CONTROL: - if (ev.buffer[1] == MIDI_CTL_ALL_NOTES_OFF - || ev.buffer[1] == MIDI_CTL_ALL_SOUNDS_OFF) - m_gate_port->buffer(0)->set(0.0f, ev.time); - default: - break; - } - } -} - - -void -MidiTriggerNode::note_on(uchar note_num, uchar velocity, samplecount offset) -{ - //std::cerr << "Note on starting at sample " << offset << std::endl; - assert(offset < m_buffer_size); - - const sample filter_note = m_note_port->buffer(0)->value_at(0); - if (filter_note >= 0.0 && filter_note < 127.0 && (note_num == (uchar)filter_note)){ - - // See comments in MidiNoteNode::note_on (FIXME) - if (offset == (samplecount)(m_buffer_size-1)) - --offset; - - m_gate_port->buffer(0)->set(1.0f, offset); - m_trig_port->buffer(0)->set(1.0f, offset, offset); - m_trig_port->buffer(0)->set(0.0f, offset+1); - m_vel_port->buffer(0)->set(velocity/127.0f, offset); - } -} - - -void -MidiTriggerNode::note_off(uchar note_num, samplecount offset) -{ - assert(offset < m_buffer_size); - - if (note_num == lrintf(m_note_port->buffer(0)->value_at(0))) - m_gate_port->buffer(0)->set(0.0f, offset); -} - - -} // namespace Om - |