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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
// The main test page (restriction-media-capabilities-encoding-info.https.html)
// loads the initiator page then the initiator page will prerender itself with
// the `prerendering` parameter.
const isPrerendering = params.has('prerendering');
// These configurations are copied from
// wpt/media-capabilities/encodingInfo.webrtc.html
const minimalVideoConfiguration = {
contentType: 'video/VP9; profile-level="0"',
width: 800,
height: 600,
bitrate: 3000,
framerate: 24,
};
const minimalAudioConfiguration = {
contentType: 'audio/opus',
};
const configuration = {
type: 'webrtc',
video: minimalVideoConfiguration,
audio: minimalAudioConfiguration,
};
if (!isPrerendering) {
loadInitiatorPage();
} else {
const prerenderEventCollector = new PrerenderEventCollector();
prerenderEventCollector.start(
navigator.mediaCapabilities.encodingInfo(configuration), 'navigator.mediaCapabilities.encodingInfo');
}
</script>