132 lines
2.9 KiB
JavaScript
132 lines
2.9 KiB
JavaScript
/*
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* Copyright © 2020 Luciano Iam <lucianito@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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import { AddressableComponent } from '../base/component.js';
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import { StateNode } from '../base/protocol.js';
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import Plugin from './plugin.js';
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const NodeToProperty = Object.freeze({
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[StateNode.STRIP_METER] : 'meter',
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[StateNode.STRIP_GAIN] : 'gain',
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[StateNode.STRIP_PAN] : 'pan',
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[StateNode.STRIP_MUTE] : 'mute'
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});
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// from presentation_info.h
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const StripFlags = Object.freeze({
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AUDIO_TRACK: 0x1,
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MIDI_TRACK: 0x2,
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AUDIO_BUS: 0x4,
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MIDI_BUS: 0x8,
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VCA: 0x10,
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MASTER_OUT: 0x20,
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MONITOR_OUT: 0x40,
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AUDITIONER: 0x80
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});
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export default class Strip extends AddressableComponent {
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constructor (parent, addr, desc) {
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super(parent, addr);
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this._plugins = {};
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this._name = desc[0];
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this._flags = desc[1];
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this._meter = 0;
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this._gain = 0;
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this._pan = 0;
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this._mute = false;
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}
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get plugins () {
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return Object.values(this._plugins);
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}
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get name () {
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return this._name;
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}
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get flags () {
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return this._flags;
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}
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get meter () {
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return this._meter;
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}
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get gain () {
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return this._gain;
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}
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set gain (db) {
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this.updateRemote('gain', db, StateNode.STRIP_GAIN);
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}
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get hasPan () {
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return !this.isMidi && !this.isVca;
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}
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get pan () {
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return this._pan;
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}
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set pan (value) {
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this.updateRemote('pan', value, StateNode.STRIP_PAN);
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}
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get mute () {
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return this._mute;
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}
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set mute (value) {
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this.updateRemote('mute', value, StateNode.STRIP_MUTE);
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}
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get isAudio () {
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return this._flags & StripFlags.AUDIO_TRACK;
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}
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get isMidi () {
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return this._flags & StripFlags.MIDI_TRACK;
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}
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get isVca () {
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return this._flags & StripFlags.VCA;
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}
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handle (node, addr, val) {
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if (node.startsWith('strip_plugin')) {
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if (node == StateNode.STRIP_PLUGIN_DESCRIPTION) {
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this._plugins[addr] = new Plugin(this, addr, val);
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this.notifyPropertyChanged('plugins');
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return true;
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} else {
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const pluginAddr = [addr[0], addr[1]];
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if (pluginAddr in this._plugins) {
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return this._plugins[pluginAddr].handle(node, addr, val);
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}
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}
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} else if (node in NodeToProperty) {
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this.updateLocal(NodeToProperty[node], val[0]);
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return true;
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}
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return false;
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}
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}
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