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moved snapImage logic inside loadeddata callback

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This commit is contained in:
Abhinav-grd 2021-02-15 21:05:24 +05:30
parent b375992d80
commit 18b089ccf5
1 changed files with 7 additions and 19 deletions
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26
src/services/uploadService.ts
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@ -5,6 +5,7 @@ import EXIF from 'exif-js';
import { fileAttribute } from './fileService';
import { collection, CollectionAndItsLatestFile } from './collectionService';
import { FILE_TYPE } from 'pages/gallery';
import { error } from 'console';
const CryptoWorker: any =
typeof window !== 'undefined' &&
Comlink.wrap(new Worker('worker/crypto.worker.js', { type: 'module' }));
@ -446,20 +447,7 @@ class UploadService {
await new Promise(async (resolve) => {
let video = document.createElement('video');
imageURL = URL.createObjectURL(file);
var timeupdate = function () {
if (snapImage()) {
video.removeEventListener('timeupdate', timeupdate);
video.pause();
resolve(null);
}
};
video.addEventListener('loadeddata', function () {
if (snapImage()) {
video.removeEventListener('timeupdate', timeupdate);
resolve(null);
}
});
var snapImage = function () {
canvas.width = THUMBNAIL_WIDTH;
canvas.height = THUMBNAIL_HEIGHT;
canvas_CTX.drawImage(
@ -469,11 +457,8 @@ class UploadService {
THUMBNAIL_WIDTH,
THUMBNAIL_HEIGHT
);
var image = canvas.toDataURL();
var success = image.length;
return success;
};
video.addEventListener('timeupdate', timeupdate);
resolve(null);
});
video.preload = 'metadata';
video.src = imageURL;
// Load video in Safari / IE11
@ -483,6 +468,9 @@ class UploadService {
});
}
URL.revokeObjectURL(imageURL);
if (canvas.toDataURL().length == 0) {
throw new Error('');
}
let thumbnailBlob: Blob = file,
attempts = 0;
let quality = 1;
@ -506,7 +494,7 @@ class UploadService {
const thumbnail = this.getUint8ArrayView(thumbnailBlob);
return thumbnail;
} catch (e) {
console.log('Error generatin thumbnail ' + e);
console.log('Error generating thumbnail ' + e);
}
}