mirror of
https://github.com/novnc/noVNC.git
synced 2026-05-27 07:29:41 +00:00
f714f7deae
Look up keys that are independent of layout and state first, followed by keys that are only mild variations in layouts. This is more robust as there might be multiple physical keys generating the same symbols, and Keysyms don't map directly to Unicode in all cases. At the same time switch over to using the modern, standardised 'code' field for lookup.
211 lines
6.7 KiB
HTML
211 lines
6.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>VNC Performance Benchmark</title>
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</head>
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<body>
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Passes: <input id='passes' style='width:50' value=3>
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<input id='startButton' type='button' value='Start' style='width:100px'
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onclick="do_test();" disabled>
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<br><br>
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Results:<br>
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<textarea id="messages" style="font-size: 9;" cols=80 rows=15></textarea>
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<br><br>
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<div id="VNC_screen">
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<div id="VNC_status_bar" class="VNC_status_bar" style="margin-top: 0px;">
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<table border=0 width=100%><tr>
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<td><div id="VNC_status">Loading</div></td>
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</tr></table>
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</div>
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<canvas id="VNC_canvas" width="640px" height="20px">
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Canvas not supported.
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</canvas>
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</div>
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</body>
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<!--
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<script type='text/javascript'
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src='http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js'></script>
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-->
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<script type="text/javascript">
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var INCLUDE_URI= "../";
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</script>
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<script src="../core/util.js"></script>
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<script src="../app/webutil.js"></script>
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<script>
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var fname = WebUtil.getQueryVar('data', null);
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if (fname) {
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msg("Loading " + fname);
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// Load supporting scripts
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WebUtil.load_scripts({
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'core': ["base64.js", "websock.js", "des.js", "input/keysym.js",
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"input/keysymdef.js", "input/xtscancodes.js", "input/util.js",
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"input/devices.js", "display.js", "rfb.js", "inflator.js",
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"input/vkeys.js", "input/fixedkeys.js"],
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'tests': ["playback.js"],
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'recordings': [fname]});
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} else {
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msg("Must specifiy data=FOO.js in query string.");
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}
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var start_time, VNC_frame_data, pass, passes, encIdx,
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encOrder = ['raw', 'rre', 'hextile', 'tightpng', 'copyrect'],
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encTot = {}, encMin = {}, encMax = {},
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passCur, passTot, passMin, passMax;
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function msg(str) {
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console.log(str);
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var cell = document.getElementById('messages');
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cell.textContent += str + "\n";
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cell.scrollTop = cell.scrollHeight;
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}
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function dbgmsg(str) {
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if (Util.get_logging() === 'debug') {
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msg(str);
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}
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}
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disconnected = function (rfb, reason) {
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if (reason) {
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msg("noVNC sent '" + state +
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"' state during pass " + pass +
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", iteration " + iteration +
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" frame " + frame_idx);
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test_state = 'failed';
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}
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}
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notification = function (rfb, mesg, level, options) {
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document.getElementById('VNC_status').textContent = mesg;
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}
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function do_test() {
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document.getElementById('startButton').value = "Running";
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document.getElementById('startButton').disabled = true;
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mode = 'perftest'; // full-speed
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passes = document.getElementById('passes').value;
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pass = 1;
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encIdx = 0;
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// Render each encoding once for each pass
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iterations = 1;
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// Initialize stats counters
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for (i = 0; i < encOrder.length; i++) {
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enc = encOrder[i];
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encTot[i] = 0;
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encMin[i] = 2<<23; // Something sufficiently large
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encMax[i] = 0;
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}
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passCur = 0;
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passTot = 0;
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passMin = 2<<23;
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passMax = 0;
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// Fire away
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next_encoding();
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}
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function next_encoding() {
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var encName;
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if (encIdx >= encOrder.length) {
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// Accumulate pass stats
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if (passCur < passMin) {
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passMin = passCur;
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}
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if (passCur > passMax) {
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passMax = passCur;
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}
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msg("Pass " + pass + " took " + passCur + " ms");
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passCur = 0;
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encIdx = 0;
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pass += 1;
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if (pass > passes) {
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// We are finished
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// Shut-off event interception
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rfb.get_mouse().ungrab();
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rfb.get_keyboard().ungrab();
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document.getElementById('startButton').disabled = false;
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document.getElementById('startButton').value = "Start";
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finish_passes();
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return; // We are finished, terminate
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}
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}
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encName = encOrder[encIdx];
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dbgmsg("Rendering pass " + pass + " encoding '" + encName + "'");
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VNC_frame_data = VNC_frame_data_multi[encName];
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iteration = 0;
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start_time = (new Date()).getTime();
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next_iteration();
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}
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// Finished rendering current encoding
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function finish() {
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var total_time, end_time = (new Date()).getTime();
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total_time = end_time - start_time;
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dbgmsg("Encoding " + encOrder[encIdx] + " took " + total_time + "ms");
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passCur += total_time;
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passTot += total_time;
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// Accumulate stats
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encTot[encIdx] += total_time;
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if (total_time < encMin[encIdx]) {
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encMin[encIdx] = total_time;
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}
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if (total_time > encMax[encIdx]) {
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encMax[encIdx] = total_time;
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}
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encIdx += 1;
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next_encoding();
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}
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function finish_passes() {
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var i, enc, avg, passAvg;
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msg("STATS (for " + passes + " passes)");
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// Encoding stats
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for (i = 0; i < encOrder.length; i++) {
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enc = encOrder[i];
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avg = (encTot[i] / passes).toFixed(1);
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msg(" " + enc + ": " + encTot[i] + " ms, " +
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encMin[i] + "/" + avg + "/" + encMax[i] +
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" (min/avg/max)");
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}
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// Print pass stats
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passAvg = (passTot / passes).toFixed(1);
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msg("\n All passes: " + passTot + " ms, " +
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passMin + "/" + passAvg + "/" + passMax +
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" (min/avg/max)");
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}
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window.onscriptsload = function() {
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var i, enc;
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dbgmsg("Frame lengths:");
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for (i = 0; i < encOrder.length; i++) {
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enc = encOrder[i];
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dbgmsg(" " + enc + ": " + VNC_frame_data_multi[enc].length);
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}
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document.getElementById('startButton').disabled = false;
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}
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</script>
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</html>
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