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|
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/* import-globals-from head.js */
const Telemetry = Services.telemetry;
const { TelemetryController } = ChromeUtils.importESModule(
"resource://gre/modules/TelemetryController.sys.mjs"
);
/* eslint-disable mozilla/no-redeclare-with-import-autofix */
const { ContentTaskUtils } = ChromeUtils.importESModule(
"resource://testing-common/ContentTaskUtils.sys.mjs"
);
const MEDIA_AUDIO_PROCESS = "media.audio_process_per_codec_name";
const utilityPerCodecs = {
Linux: [
{
process: "utility+audioDecoder_Generic",
codecs: ["vorbis", "mp3", "aac", "flac"],
},
],
WINNT: [
{
process: "utility+audioDecoder_Generic",
codecs: ["vorbis", "mp3", "flac"],
},
{
process: "utility+audioDecoder_WMF",
codecs: ["aac"],
},
],
Darwin: [
{
process: "utility+audioDecoder_Generic",
codecs: ["vorbis", "mp3", "flac"],
},
{
process: "utility+audioDecoder_AppleMedia",
codecs: ["aac"],
},
],
};
const kInterval = 300; /* ms */
const kRetries = 5;
/**
* This function waits until utility scalars are reported into the
* scalar snapshot.
*/
async function waitForKeyedScalars(process) {
await ContentTaskUtils.waitForCondition(
() => {
const scalars = Telemetry.getSnapshotForKeyedScalars("main", false);
return Object.keys(scalars).includes("content");
},
`Waiting for ${process} scalars to have been set`,
kInterval,
kRetries
);
}
async function waitForValue(process, codecNames, extra = "") {
await ContentTaskUtils.waitForCondition(
() => {
const telemetry = Telemetry.getSnapshotForKeyedScalars(
"main",
false
).content;
if (telemetry && MEDIA_AUDIO_PROCESS in telemetry) {
const keyProcMimeTypes = Object.keys(telemetry[MEDIA_AUDIO_PROCESS]);
const found = codecNames.every(item =>
keyProcMimeTypes.includes(`${process},${item}${extra}`)
);
return found;
}
return false;
},
`Waiting for ${MEDIA_AUDIO_PROCESS}`,
kInterval,
kRetries
);
}
async function runTest({ expectUtility = false, expectRDD = false }) {
info(
`Running tests with decoding from Utility or RDD: expectUtility=${expectUtility} expectRDD=${expectRDD}`
);
await SpecialPowers.pushPrefEnv({
set: [
["media.utility-process.enabled", expectUtility],
["media.rdd-process.enabled", expectRDD],
["toolkit.telemetry.ipcBatchTimeout", 0],
],
});
const platform = Services.appinfo.OS;
for (let { src, expectations } of audioTestData()) {
if (!(platform in expectations)) {
info(`Skipping ${src} for ${platform}`);
continue;
}
const expectation = expectations[platform];
info(`Add media tab: ${src}`);
let tab = await addMediaTab(src);
info("Play tab");
await play(
tab,
expectUtility ? expectation.process : "RDD",
expectation.decoder,
!expectUtility && !expectRDD
);
info("Stop tab");
await stop(tab);
info("Remove tab");
await BrowserTestUtils.removeTab(tab);
}
}
function getTelemetry() {
const telemetry = Telemetry.getSnapshotForKeyedScalars("main", false).content;
return telemetry;
}
async function verifyTelemetryForProcess(process, codecNames, extraKey = "") {
// Once scalars are set by the utility process, they don't immediately get
// sent to the parent process. Wait for the Telemetry IPC Timer to trigger
// and batch send the data back to the parent process.
await waitForKeyedScalars(process);
await waitForValue(process, codecNames, extraKey);
const telemetry = getTelemetry();
// The amount here depends on how many times RemoteAudioDecoderParent::RemoteAudioDecoderParent
// gets called, which might be more than actual audio files being playback, e.g., we would get one for metadata loading, then one for playback etc.
// But we dont care really we just want to ensure 0 on RDD, Content and others
// in the wild.[${codecName}]
codecNames.forEach(codecName => {
Assert.equal(
telemetry[MEDIA_AUDIO_PROCESS][`${process},${codecName}${extraKey}`],
1,
`${MEDIA_AUDIO_PROCESS} must have the correct value (${process}, ${codecName}).`
);
});
}
async function verifyNoTelemetryForProcess(process, codecNames, extraKey = "") {
try {
await waitForKeyedScalars(process);
await waitForValue(process, codecNames, extraKey);
} catch (ex) {
if (ex.indexOf("timed out after") > 0) {
Assert.ok(
true,
`Expected timeout ${process}[${MEDIA_AUDIO_PROCESS}] for ${codecNames}`
);
} else {
Assert.ok(
false,
`Unexpected exception on ${process}[${MEDIA_AUDIO_PROCESS}] for ${codecNames}: ${ex}`
);
}
}
const telemetry = getTelemetry();
// There could be races with telemetry for power usage coming up
codecNames.forEach(codecName => {
if (telemetry) {
if (telemetry && MEDIA_AUDIO_PROCESS in telemetry) {
Assert.ok(
!(
`${process},${codecName}${extraKey}` in
telemetry[MEDIA_AUDIO_PROCESS]
),
`Some telemetry but no ${process}[${MEDIA_AUDIO_PROCESS}][${codecName}]`
);
} else {
Assert.ok(
!(MEDIA_AUDIO_PROCESS in telemetry),
`No telemetry for ${process}[${MEDIA_AUDIO_PROCESS}][${codecName}]`
);
}
} else {
Assert.equal(
undefined,
telemetry,
`No telemetry for ${process}[${MEDIA_AUDIO_PROCESS}][${codecName}]`
);
}
});
}
|