From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../PerformanceTests/webaudio/webaudio-bench.js | 240 +++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js (limited to 'third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js') diff --git a/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js b/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js new file mode 100644 index 0000000000..b4fb99612b --- /dev/null +++ b/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js @@ -0,0 +1,240 @@ +if (window.AudioContext == undefined) { + window.AudioContext = window.webkitAudioContext; + window.OfflineAudioContext = window.webkitOfflineAudioContext; +} + +$ = document.querySelectorAll.bind(document); + +let DURATION = null; +if (location.search) { + let duration = location.search.match(/rendering-buffer-length=(\d+)/); + if (duration) { + DURATION = duration[1]; + } else { + DURATION = 120; + } +} else { + DURATION = 120; +} + + +// Global sample rate at which we run the context. +var sampleRate = 48000; +// Array containing at first the url of the audio resources to fetch, and the +// the actual buffers audio buffer we have at our disposal to for tests. +var sources = []; +// Array containing the results, for each benchmark. +var results = []; +// Array containing the offline contexts used to run the testcases. +var testcases = []; +// Array containing the functions that can return a runnable testcase. +var testcases_registered = []; +// Array containing the audio buffers for each benchmark +var buffers = []; +var playingSource = null; +// audiocontext used to play back the result of the benchmarks +var ac = new AudioContext(); + +function getFile(source, callback) { + var request = new XMLHttpRequest(); + request.open("GET", source.url, true); + request.responseType = "arraybuffer"; + + request.onload = function() { + // decode buffer at its initial sample rate + var ctx = new OfflineAudioContext(1, 1, source.sampleRate); + + ctx.decodeAudioData(request.response, function(buffer) { + callback(buffer, undefined); + }, function() { + callback(undefined, "Error decoding the file " + source.url); + }); + } + request.send(); +} + +function recordResult(result) { + results.push(result); +} + +function benchmark(testcase, ended) { + var context = testcase.ctx; + var start; + + context.oncomplete = function(e) { + var end = Date.now(); + recordResult({ + name: testcase.name, + duration: end - start, + buffer: e.renderedBuffer + }); + ended(); + }; + + start = Date.now(); + context.startRendering(); +} + +function getMonoFile() { + return getSpecificFile({ numberOfChannels: 1 }); +} + +function getStereoFile() { + return getSpecificFile({ numberOfChannels: 2 }); +} + +function matchIfSpecified(a, b) { + if (b) { + return a == b; + } + return true; +} + +function getSpecificFile(spec) { + for (var i = 0 ; i < sources.length; i++) { + if (matchIfSpecified(sources[i].numberOfChannels, spec.numberOfChannels) && + matchIfSpecified(sources[i].sampleRate, spec.sampleRate)) { + return sources[i]; + } + } + + throw new Error("Could not find a file that matches the specs."); +} + +function allDone() { + document.getElementById("in-progress").style.display = "none"; + var result = document.getElementById("results"); + var str = ""; + var buffers_base = buffers.length; + var product_of_durations = 1.0; + + for (var i = 0 ; i < results.length; i++) { + var r = results[i]; + product_of_durations *= r.duration; + str += "" + + ""+ + ""+ + "" + +""; + buffers[buffers_base + i] = r.buffer; + } + recordResult({ + name: "Geometric Mean", + duration: Math.round(Math.pow(product_of_durations, 1.0/results.length)), + buffer: {} + }); + str += "
Test nameTime in msSpeedup vs. realtimeSound
" + r.name + "" + r.duration + "" + Math.round((r.buffer.duration * 1000) / r.duration) + "x ("+r.buffer.duration+"s)
"; + result.innerHTML += str; + result.addEventListener("click", function(e) { + var t = e.target; + if (t.dataset.soundindex != undefined) { + if (playingSource != null) { + playingSource.button.innerHTML = "Play"; + playingSource.onended = undefined; + playingSource.stop(0); + if (playingSource.button == t) { + playingSource = null; + return; + } + } + playingSource = ac.createBufferSource(); + playingSource.connect(ac.destination); + playingSource.buffer = buffers[t.dataset.soundindex]; + playingSource.start(0); + playingSource.button = t; + t.innerHTML = "Pause"; + playingSource.onended = function () { + playingSource = null; + } + } + }); + + document.getElementById("run-all").disabled = false; + + if (location.search.includes("raptor")) { + var _data = ['raptor-benchmark', 'webaudio', JSON.stringify(results)]; + window.postMessage(_data, '*'); + window.sessionStorage.setItem('benchmark_results', JSON.stringify(_data)); + } else { + var xhr = new XMLHttpRequest(); + xhr.open("POST", "/results", true); + xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); + xhr.send("results=" + JSON.stringify(results)); + } +} + +function runOne(i) { + benchmark(testcases[i], function() { + i++; + $("#progress-bar")[0].value++; + if (i < testcases.length) { + runOne(i); + } else { + allDone(); + } + }); +} + +function runAll() { + $("#progress-bar")[0].max = testcases_registered.length; + $("#progress-bar")[0].value = 0; + initAll(); + results = []; + runOne(0); +} + +function initAll() { + for (var i = 0; i < testcases_registered.length; i++) { + testcases[i] = {}; + testcases[i].ctx = testcases_registered[i].func(); + testcases[i].name = testcases_registered[i].name; + } +} + +function loadOne(i, endCallback) { + getFile(sources[i], function(buffer, err) { + if (err) { + throw new Error(msg); + } + + sources[i] = buffer; + i++; + + if (i < sources.length) { + loadOne(i, endCallback); + } else { + endCallback(); + } + }); +} + +function loadAllSources(endCallback) { + loadOne(0, endCallback); +} + +document.addEventListener("DOMContentLoaded", function() { + document.getElementById("run-all").addEventListener("click", function() { + document.getElementById("run-all").disabled = true; + document.getElementById("in-progress").style.display = "inline"; + runAll(); + }); + loadAllSources(function() { + // auto-run when running in raptor + document.getElementById("loading").remove(); + document.getElementById("controls").style.display = "block"; + if (location.search.includes("raptor")) { + document.getElementById("run-all").disabled = true; + document.getElementById("in-progress").style.display = "inline"; + setTimeout(runAll, 100); + } + }); +}); + +/* Public API */ +function registerTestCase(testCase) { + testcases_registered.push(testCase); +} + +function registerTestFile(url) { + sources.push(url); +} -- cgit v1.2.3