chromium/third_party/blink/perf_tests/webcodecs/software-video-encoding.html

<!DOCTYPE html>
<html>
<head>
<title>Test VideoEncoder performance</title>
</head>
<body>
<script src="../resources/runner.js"></script>
<script src="videoFrame-utils.js"></script>
<script src="video-encoding.js"></script>
<script>
testEncodingConfiguration("Time for software encoding", 1280, 720, 100, 'prefer-software');
</script>
</body>
</html>