61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
|
/*
|
||
|
|
* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
|
||
|
|
* Author: Alex Yatskov <alex@foosoft.net>
|
||
|
|
*
|
||
|
|
* This program 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 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program 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 more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
function audioGetFromUrl(url) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
const audio = new Audio(url);
|
||
|
|
audio.addEventListener('loadeddata', () => {
|
||
|
|
if (audio.duration === 5.694694 || audio.duration === 5.720718) {
|
||
|
|
// Hardcoded values for invalid audio
|
||
|
|
reject(new Error('Could not retrieve audio'));
|
||
|
|
} else {
|
||
|
|
resolve(audio);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
audio.addEventListener('error', () => reject(audio.error));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
async function audioGetFromSources(expression, sources, optionsContext, createAudioObject, cache=null) {
|
||
|
|
const key = `${expression.expression}:${expression.reading}`;
|
||
|
|
if (cache !== null && cache.hasOwnProperty(expression)) {
|
||
|
|
return cache[key];
|
||
|
|
}
|
||
|
|
|
||
|
|
for (let i = 0, ii = sources.length; i < ii; ++i) {
|
||
|
|
const source = sources[i];
|
||
|
|
const url = await apiAudioGetUrl(expression, source, optionsContext);
|
||
|
|
if (url === null) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
const audio = createAudioObject ? await audioGetFromUrl(url) : null;
|
||
|
|
const result = {audio, url, source};
|
||
|
|
if (cache !== null) {
|
||
|
|
cache[key] = result;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
} catch (e) {
|
||
|
|
// NOP
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {audio: null, source: null};
|
||
|
|
}
|