mirror of
https://github.com/rhasspy/espeak-ng.git
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70 lines
2.0 KiB
JavaScript
70 lines
2.0 KiB
JavaScript
/*
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* Copyright (C) 2014-2016 Eitan Isaacson
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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 3 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
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* along with this program; if not, see: <http://www.gnu.org/licenses/>.
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*/
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function eSpeakNG(worker_path, ready_cb) {
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this.worker = new Worker(worker_path);
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this.ready = false;
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this.worker.onmessage = function(e) {
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if (e.data !== 'ready') {
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return;
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}
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this.worker.onmessage = null;
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this.worker.addEventListener('message', this);
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this.ready = true;
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if (ready_cb) {
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ready_cb();
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}
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}.bind(this);
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}
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eSpeakNG.prototype.handleEvent = function (evt) {
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var callback = evt.data.callback;
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if (callback && this[callback]) {
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this[callback].apply(this, evt.data.result);
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if (evt.data.done) {
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delete this[callback];
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}
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return;
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}
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};
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function _createAsyncMethod(method) {
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return function() {
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var lastArg = arguments[arguments.length - 1];
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var message = { method: method, args: Array.prototype.slice.call(arguments, 0) };
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if (typeof lastArg == 'function') {
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var callback = '_' + method + '_' + Math.random().toString().substring(2) +'_cb';
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this[callback] = lastArg;
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message.args.pop();
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message.callback = callback;
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}
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this.worker.postMessage(message);
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};
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}
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for (var method of [
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'list_voices',
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'get_rate',
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'get_pitch',
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'set_rate',
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'set_pitch',
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'set_voice',
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'synthesize'
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]) {
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eSpeakNG.prototype[method] = _createAsyncMethod(method);
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}
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