зеркало из https://github.com/mozilla/gecko-dev.git
47 строки
1.4 KiB
JavaScript
47 строки
1.4 KiB
JavaScript
/* eslint-disable no-undef */
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const PAGE_NON_AUTOPLAY_MEDIA =
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"https://example.com/browser/dom/media/mediacontrol/tests/file_non_autoplay.html";
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const testVideoId = "video";
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add_task(async function setupTestingPref() {
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await SpecialPowers.pushPrefEnv({
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set: [["media.mediacontrol.testingevents.enabled", true]],
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});
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});
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/**
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* When we capture audio from an media element to the web audio, if the media
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* is audible, it should be controlled by media keys as well.
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*/
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add_task(async function testAudibleCapturedMedia() {
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info(`open new non autoplay media page`);
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const tab = await createTabAndLoad(PAGE_NON_AUTOPLAY_MEDIA);
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info(`capture audio and start playing`);
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await captureAudio(tab, testVideoId);
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await playMedia(tab, testVideoId);
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info(`pressing 'pause' key, captured media should be paused`);
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await generateMediaControlKeyEvent("pause");
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await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
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info(`remove tab`);
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await BrowserTestUtils.removeTab(tab);
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});
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/**
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* The following are helper functions.
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*/
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function captureAudio(tab, elementId) {
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return SpecialPowers.spawn(tab.linkedBrowser, [elementId], Id => {
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const video = content.document.getElementById(Id);
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if (!video) {
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ok(false, `can't get the media element!`);
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}
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const context = new content.AudioContext();
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// Capture audio from the media element to a MediaElementAudioSourceNode.
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context.createMediaElementSource(video);
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});
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}
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