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Fix DRM detector bugs

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This commit is contained in:
Tamius Han 2021-02-17 01:06:11 +01:00
parent 6031e35133
commit ec2cd3d6a0
1 changed files with 3 additions and 2 deletions
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5
src/ext/lib/ar-detect/DrmDetecor.js
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@ -25,7 +25,7 @@ export function hasDrm(video) {
const canvas = document.createElement('canvas');
canvas.width = 2;
canvas.height = 2;
const context = canvas.getContext();
const context = canvas.getContext('2d');
if (BrowserDetect.firefox) {
try {
@ -43,6 +43,7 @@ export function hasDrm(video) {
// of whether the video is actually DRM-protected or not.
context.drawImage(video, 0, 0, canvas.width, canvas.height);
return this.blackframeContext.getImageData(0,0,1,1).data[3] === 0;
return context.getImageData(0,0,1,1).data[3] === 0;
}
}