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fix: DRMed content goes black in IE/Edge when video element focused (#6318)

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Any programmatic call to focus when playing back DRMed content on IE/Edge causes the video element to turn black. Instead, don't call focus() in those cases.

Fixes #6270.
This commit is contained in:
Alex Barstow 2019-11-19 14:42:45 -05:00 committed by Gary Katsevman
parent a11f3fa574
commit b3c2343f98
1 changed files with 10 additions and 1 deletions
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11
src/js/big-play-button.js
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@ -4,6 +4,7 @@
import Button from './button.js';
import Component from './component.js';
import {isPromise, silencePromise} from './utils/promise';
import * as browser from './utils/browser.js';
/**
* The initial play button that shows before the video has played. The hiding of the
@ -46,8 +47,16 @@ class BigPlayButton extends Button {
// exit early if clicked via the mouse
if (this.mouseused_ && event.clientX && event.clientY) {
const sourceIsEncrypted = this.player_.usingPlugin('eme') &&
this.player_.eme.sessions &&
this.player_.eme.sessions.length > 0;
silencePromise(playPromise);
if (this.player_.tech(true)) {
if (this.player_.tech(true) &&
// We've observed a bug in IE and Edge when playing back DRM content where
// calling .focus() on the video element causes the video to go black,
// so we avoid it in that specific case
!((browser.IE_VERSION || browser.IS_EDGE) && sourceIsEncrypted)) {
this.player_.tech(true).focus();
}
return;