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Fix worker script origin issue

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This commit is contained in:
Jerome Wu
2020-04-29 09:27:21 +08:00
parent 680b4df933
commit 4cf2fe2395
3 changed files with 24 additions and 19 deletions
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39
src/browser/getModule.js
View File

@@ -1,23 +1,28 @@
const { log } = require('../utils/log');
module.exports = ({ corePath }) => new Promise((resolve) => {
module.exports = async ({ corePath }) => {
if (typeof window.Module === 'undefined') {
log('info', 'fetch ffmpeg-core.worker.js script');
const workerBlob = await (await fetch(corePath.replace('ffmpeg-core.js', 'ffmpeg-core.worker.js'))).blob();
window.FFMPEG_CORE_WORKER_SCRIPT = URL.createObjectURL(workerBlob);
log('info', `worker object URL=${window.FFMPEG_CORE_WORKER_SCRIPT}`);
log('info', `download ffmpeg-core script (~25 MB) from ${corePath}`);
const script = document.createElement('script');
const eventHandler = () => {
script.removeEventListener('load', eventHandler);
log('info', 'initialize ffmpeg-core');
window.Module.onRuntimeInitialized = () => {
log('info', 'ffmpeg-core initialized');
resolve(window.Module);
return new Promise((resolve) => {
const script = document.createElement('script');
const eventHandler = () => {
script.removeEventListener('load', eventHandler);
log('info', 'initialize ffmpeg-core');
window.Module.onRuntimeInitialized = () => {
log('info', 'ffmpeg-core initialized');
resolve(window.Module);
};
};
};
script.src = corePath;
script.type = 'text/javascript';
script.addEventListener('load', eventHandler);
document.getElementsByTagName('head')[0].appendChild(script);
} else {
log('info', 'ffmpeg-core is loaded already');
resolve(window.Module);
script.src = corePath;
script.type = 'text/javascript';
script.addEventListener('load', eventHandler);
document.getElementsByTagName('head')[0].appendChild(script);
});
}
});
log('info', 'ffmpeg-core is loaded already');
return Promise.resolve(window.Module);
};