52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
"use strict";
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/**
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* This test aims to ensure that the media engine playback will recover from a
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* crash and keep playing without any problem.
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*/
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add_task(async function setupTestingPref() {
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await SpecialPowers.pushPrefEnv({
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set: [
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["media.wmf.media-engine.enabled", 1],
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["media.wmf.media-engine.channel-decoder.enabled", true],
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],
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});
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});
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const VIDEO_PAGE = GetTestWebBasedURL("file_video.html");
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add_task(async function testPlaybackRecoveryFromCrash() {
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info(`Create a tab and load test page`);
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let tab = await BrowserTestUtils.openNewForegroundTab(
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window.gBrowser,
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"about:blank"
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);
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BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, VIDEO_PAGE);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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await playVideo(tab);
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info("Ensure video is running via the media engine framework");
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await assertRunningProcessAndDecoderName(tab, {
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expectedProcess: "Utility MF Media Engine CDM",
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expectedDecoder: "media engine video stream",
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});
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const pidBeforeCrash = await getMFCDMProcessId();
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await crashUtilityProcess(pidBeforeCrash);
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info("The CDM process should be recreated which makes media keep playing");
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await assertRunningProcessAndDecoderName(tab, {
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expectedProcess: "Utility MF Media Engine CDM",
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expectedDecoder: "media engine video stream",
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});
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const pidAfterCrash = await getMFCDMProcessId();
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isnot(
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pidBeforeCrash,
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pidAfterCrash,
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`new process ${pidAfterCrash} is not previous crashed one ${pidBeforeCrash}`
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);
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BrowserTestUtils.removeTab(tab);
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});
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