inital commit
This commit is contained in:
KingKDot
@@ -0,0 +1,669 @@
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import { encodeMsgpack, decodeMsgpack } from "./msgpack-helpers.js";
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(function () {
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const clientId = new URLSearchParams(location.search).get("clientId");
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if (!clientId) {
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alert("Missing clientId");
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return;
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}
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const clientLabel = document.getElementById("clientLabel");
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clientLabel.textContent = clientId;
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const ws = new WebSocket(
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(location.protocol === "https:" ? "wss://" : "ws://") +
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location.host +
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"/api/clients/" +
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clientId +
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"/rd/ws",
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);
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const displaySelect = document.getElementById("displaySelect");
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const refreshBtn = document.getElementById("refreshDisplays");
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const startBtn = document.getElementById("startBtn");
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const stopBtn = document.getElementById("stopBtn");
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const fullscreenBtn = document.getElementById("fullscreenBtn");
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const mouseCtrl = document.getElementById("mouseCtrl");
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const kbdCtrl = document.getElementById("kbdCtrl");
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const cursorCtrl = document.getElementById("cursorCtrl");
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const duplicationCtrl = document.getElementById("duplicationCtrl");
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const smoothingSlider = document.getElementById("smoothingSlider");
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const smoothingValue = document.getElementById("smoothingValue");
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const qualitySlider = document.getElementById("qualitySlider");
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const qualityValue = document.getElementById("qualityValue");
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const canvas = document.getElementById("frameCanvas");
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const canvasContainer = document.getElementById("canvasContainer");
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const ctx = canvas.getContext("2d");
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const agentFps = document.getElementById("agentFps");
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const viewerFps = document.getElementById("viewerFps");
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const inputLatency = document.getElementById("inputLatency");
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const statusEl = document.getElementById("streamStatus");
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ws.binaryType = "arraybuffer";
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let activeClientId = clientId;
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let renderCount = 0;
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let renderWindowStart = performance.now();
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let lastFrameAt = 0;
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let desiredStreaming = false;
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let streamState = "connecting";
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let frameWatchTimer = null;
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let offlineTimer = null;
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let frameWidth = 0;
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let frameHeight = 0;
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let latencyAvg = null;
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let smoothingPct = 20;
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let smoothPoint = null;
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let pendingMove = null;
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let moveTimer = null;
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const mouseMoveIntervalMs = 33;
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const inputBackpressureBytes = 256 * 1024;
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let lastMoveSentAt = 0;
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setStreamState("connecting", "Connecting");
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function updateFpsDisplay(agentValue) {
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if (agentValue !== undefined && agentValue !== null && agentFps) {
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agentFps.textContent = String(agentValue);
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}
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const now = performance.now();
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renderCount += 1;
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const elapsed = now - renderWindowStart;
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if (elapsed >= 1000 && viewerFps) {
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const fps = Math.round((renderCount * 1000) / elapsed);
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viewerFps.textContent = String(fps);
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renderCount = 0;
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renderWindowStart = now;
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}
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}
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function setStreamState(state, text) {
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streamState = state;
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if (statusEl) {
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const icons = {
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connecting: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
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starting: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
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stopping: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
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streaming: '<i class="fa-solid fa-circle text-emerald-400"></i>',
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idle: '<i class="fa-solid fa-circle text-slate-400"></i>',
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stalled: '<i class="fa-solid fa-triangle-exclamation text-amber-400"></i>',
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offline: '<i class="fa-solid fa-plug-circle-xmark text-rose-400"></i>',
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disconnected: '<i class="fa-solid fa-link-slash text-slate-400"></i>',
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error: '<i class="fa-solid fa-circle-exclamation text-rose-400"></i>',
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};
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const label = text ||
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(state === "streaming" ? "Streaming" :
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state === "starting" ? "Starting" :
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state === "stopping" ? "Stopping" :
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state === "offline" ? "Client offline" :
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state === "disconnected" ? "Disconnected" :
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state === "stalled" ? "No frames" :
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state === "idle" ? "Stopped" :
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"Connecting");
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statusEl.innerHTML = `${icons[state] || icons.idle} <span>${label}</span>`;
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const base = "inline-flex items-center gap-2 px-3 py-2 rounded-full border text-sm";
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const styles = {
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streaming: "bg-emerald-900/40 text-emerald-100 border-emerald-700/70",
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starting: "bg-sky-900/40 text-sky-100 border-sky-700/70",
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stopping: "bg-amber-900/40 text-amber-100 border-amber-700/70",
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stalled: "bg-amber-900/40 text-amber-100 border-amber-700/70",
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offline: "bg-rose-900/40 text-rose-100 border-rose-700/70",
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error: "bg-rose-900/40 text-rose-100 border-rose-700/70",
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disconnected: "bg-slate-800 text-slate-300 border-slate-700",
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idle: "bg-slate-800 text-slate-300 border-slate-700",
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connecting: "bg-slate-800 text-slate-300 border-slate-700",
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};
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statusEl.className = `${base} ${styles[state] || styles.idle}`;
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}
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if (canvasContainer) {
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canvasContainer.dataset.streamState = state;
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}
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if (state === "idle" || state === "offline" || state === "disconnected" || state === "error") {
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if (agentFps) agentFps.textContent = "--";
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if (viewerFps) viewerFps.textContent = "--";
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renderCount = 0;
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renderWindowStart = performance.now();
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}
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updateControls();
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}
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function updateControls() {
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const wsOpen = ws.readyState === WebSocket.OPEN;
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const isStarting = streamState === "starting";
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const isStreaming = streamState === "streaming";
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const isStopping = streamState === "stopping";
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const isStalled = streamState === "stalled";
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const isBlocked = streamState === "offline" || streamState === "disconnected" || streamState === "error";
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if (startBtn) {
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startBtn.disabled = !wsOpen || isStarting || isStreaming || isStopping || isBlocked;
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}
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if (stopBtn) {
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stopBtn.disabled = !wsOpen || (!isStarting && !isStreaming && !isStopping && !isStalled);
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}
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}
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function updateLatency(ms) {
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if (ms < 0 || !Number.isFinite(ms)) return;
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latencyAvg = latencyAvg == null ? ms : latencyAvg * 0.8 + ms * 0.2;
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if (inputLatency) {
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inputLatency.textContent = `${Math.round(latencyAvg)} ms`;
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}
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}
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function clearOfflineTimer() {
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if (offlineTimer) {
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clearTimeout(offlineTimer);
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offlineTimer = null;
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}
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}
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function scheduleOffline(reason) {
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clearOfflineTimer();
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setStreamState("connecting", "Reconnecting");
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offlineTimer = setTimeout(() => {
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const now = performance.now();
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if (!lastFrameAt || now - lastFrameAt > 3000) {
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desiredStreaming = false;
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setStreamState("offline", reason || "Client offline");
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}
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}, 3000);
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}
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function handleStatus(msg) {
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if (!msg || msg.type !== "status" || !msg.status) return;
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if (msg.status === "offline") {
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scheduleOffline(msg.reason);
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return;
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}
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if (msg.status === "connecting") {
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clearOfflineTimer();
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setStreamState("connecting", "Connecting");
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return;
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}
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if (msg.status === "online") {
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clearOfflineTimer();
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if (desiredStreaming) {
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setStreamState("starting", "Reconnecting");
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if (displaySelect && displaySelect.value !== undefined) {
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sendCmd("desktop_select_display", {
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display: parseInt(displaySelect.value, 10) || 0,
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});
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}
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sendCmd("desktop_start", {});
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} else {
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setStreamState("idle", "Stopped");
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}
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}
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}
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function sendCmd(type, payload) {
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if (!activeClientId) {
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console.warn("No active client selected");
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return;
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}
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if (ws.readyState !== WebSocket.OPEN) {
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return;
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}
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const msg = { type, ...payload };
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console.debug("rd: send", msg);
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ws.send(encodeMsgpack(msg));
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}
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let monitors = 1;
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function populateDisplays(count, monitorInfo) {
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displaySelect.innerHTML = "";
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const infoList = Array.isArray(monitorInfo) ? monitorInfo : null;
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monitors = (infoList && infoList.length) ? infoList.length : (count || 1);
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for (let i = 0; i < monitors; i++) {
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const opt = document.createElement("option");
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opt.value = i;
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const info = infoList && infoList[i];
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const w = info && Number(info.width);
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const h = info && Number(info.height);
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const sizeLabel = w > 0 && h > 0 ? ` (${w}x${h})` : "";
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opt.textContent = "Display " + (i + 1) + sizeLabel;
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displaySelect.appendChild(opt);
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}
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if (displaySelect.options.length) {
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displaySelect.value = displaySelect.options[0].value;
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}
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}
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async function fetchClientInfo() {
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try {
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const res = await fetch("/api/clients");
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const data = await res.json();
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const client = data.items.find((c) => c.id === activeClientId);
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if (client) {
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clientLabel.textContent = `${client.host || client.id} (${client.os || ""})`;
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}
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if (client) {
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populateDisplays(client.monitors, client.monitorInfo);
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}
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if (duplicationCtrl) {
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const os = (client?.os || "").toLowerCase();
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const isWindows = os.includes("windows") || os.includes("win");
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duplicationCtrl.disabled = !isWindows;
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if (!isWindows) {
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duplicationCtrl.checked = false;
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}
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}
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} catch (e) {
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console.warn("failed to fetch client info", e);
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}
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}
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refreshBtn.addEventListener("click", fetchClientInfo);
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function updateQualityLabel(val) {
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if (qualityValue) {
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qualityValue.textContent = `${val}%`;
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}
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}
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function updateSmoothingLabel(val) {
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if (smoothingValue) {
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smoothingValue.textContent = `${val}%`;
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}
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}
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function pushQuality(val) {
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const q = Number(val) || 90;
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const codec = q >= 100 ? "raw" : "jpeg";
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console.debug("rd: pushQuality val=", val, "q=", q, "codec=", codec);
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sendCmd("desktop_set_quality", { quality: q, codec });
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}
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displaySelect.addEventListener("change", function () {
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console.debug("rd: select display", displaySelect.value);
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sendCmd("desktop_select_display", {
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display: parseInt(displaySelect.value, 10),
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});
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});
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startBtn.addEventListener("click", function () {
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if (displaySelect && displaySelect.value !== undefined) {
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sendCmd("desktop_select_display", {
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display: parseInt(displaySelect.value, 10) || 0,
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});
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}
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if (qualitySlider) {
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pushQuality(qualitySlider.value);
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}
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desiredStreaming = true;
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lastFrameAt = 0;
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setStreamState("starting", "Starting stream");
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sendCmd("desktop_start", {});
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});
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stopBtn.addEventListener("click", function () {
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desiredStreaming = false;
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setStreamState("stopping", "Stopping stream");
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sendCmd("desktop_stop", {});
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});
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fullscreenBtn.addEventListener("click", function () {
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if (canvasContainer.requestFullscreen) {
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canvasContainer.requestFullscreen();
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} else if (canvasContainer.webkitRequestFullscreen) {
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canvasContainer.webkitRequestFullscreen();
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} else if (canvasContainer.mozRequestFullScreen) {
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canvasContainer.mozRequestFullScreen();
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}
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});
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if (mouseCtrl) {
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mouseCtrl.checked = false;
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}
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if (kbdCtrl) {
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kbdCtrl.checked = false;
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}
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if (duplicationCtrl) {
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duplicationCtrl.checked = false;
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}
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function pushInputToggles() {
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if (mouseCtrl) {
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sendCmd("desktop_enable_mouse", { enabled: !!mouseCtrl.checked });
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}
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if (kbdCtrl) {
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sendCmd("desktop_enable_keyboard", { enabled: !!kbdCtrl.checked });
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}
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}
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function pushCaptureToggles() {
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if (cursorCtrl) {
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sendCmd("desktop_enable_cursor", { enabled: cursorCtrl.checked });
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}
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if (duplicationCtrl && !duplicationCtrl.disabled) {
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sendCmd("desktop_set_duplication", { enabled: !!duplicationCtrl.checked });
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}
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}
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mouseCtrl.addEventListener("change", function () {
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pushInputToggles();
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});
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kbdCtrl.addEventListener("change", function () {
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if (kbdCtrl.checked) {
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canvas.focus();
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}
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pushInputToggles();
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});
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cursorCtrl.addEventListener("change", function () {
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pushCaptureToggles();
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});
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if (duplicationCtrl) {
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duplicationCtrl.addEventListener("change", function () {
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pushCaptureToggles();
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});
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}
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if (qualitySlider) {
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updateQualityLabel(qualitySlider.value);
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qualitySlider.addEventListener("input", function () {
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updateQualityLabel(qualitySlider.value);
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pushQuality(qualitySlider.value);
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});
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}
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if (smoothingSlider) {
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updateSmoothingLabel(smoothingSlider.value);
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smoothingSlider.addEventListener("input", function () {
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smoothingPct = Number(smoothingSlider.value) || 0;
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updateSmoothingLabel(smoothingSlider.value);
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});
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}
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ws.addEventListener("message", async function (ev) {
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if (ev.data instanceof ArrayBuffer) {
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const buf = new Uint8Array(ev.data);
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if (buf.length >= 8 && buf[0] === 0x46 && buf[1] === 0x52 && buf[2] === 0x4d) {
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const fps = buf[5];
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const format = buf[6];
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lastFrameAt = performance.now();
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clearOfflineTimer();
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if (streamState !== "streaming") {
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if (desiredStreaming) {
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setStreamState("streaming", "Streaming");
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}
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}
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if (format === 1) {
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const jpegBytes = buf.slice(8);
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const blob = new Blob([jpegBytes], { type: "image/jpeg" });
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try {
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const bitmap = await createImageBitmap(blob);
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frameWidth = bitmap.width || frameWidth;
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frameHeight = bitmap.height || frameHeight;
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canvas.width = bitmap.width;
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canvas.height = bitmap.height;
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ctx.drawImage(bitmap, 0, 0);
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bitmap.close();
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updateFpsDisplay(fps);
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} catch {
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const img = new Image();
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const url = URL.createObjectURL(blob);
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img.onload = function () {
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frameWidth = img.width || frameWidth;
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frameHeight = img.height || frameHeight;
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canvas.width = img.width;
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canvas.height = img.height;
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ctx.drawImage(img, 0, 0);
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URL.revokeObjectURL(url);
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updateFpsDisplay(fps);
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};
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img.src = url;
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}
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return;
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}
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if (format === 2 || format === 3) {
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if (buf.length < 8 + 8) return;
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const dv = new DataView(buf.buffer, 8);
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let pos = 0;
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const width = dv.getUint16(pos, true);
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pos += 2;
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const height = dv.getUint16(pos, true);
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pos += 2;
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if (width > 0 && height > 0) {
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frameWidth = width;
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frameHeight = height;
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}
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const blockCount = dv.getUint16(pos, true);
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pos += 2;
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pos += 2;
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if (
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width > 0 &&
|
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height > 0 &&
|
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(canvas.width !== width || canvas.height !== height)
|
||||
) {
|
||||
canvas.width = width;
|
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canvas.height = height;
|
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}
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for (let i = 0; i < blockCount; i++) {
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if (pos + 12 > dv.byteLength) break;
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const x = dv.getUint16(pos, true);
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pos += 2;
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const y = dv.getUint16(pos, true);
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pos += 2;
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const w = dv.getUint16(pos, true);
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pos += 2;
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const h = dv.getUint16(pos, true);
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pos += 2;
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const len = dv.getUint32(pos, true);
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pos += 4;
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const start = 8 + pos;
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const end = start + len;
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if (end > buf.length) break;
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const slice = buf.subarray(start, end);
|
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pos += len;
|
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if (format === 2) {
|
||||
try {
|
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const bitmap = await createImageBitmap(
|
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new Blob([slice], { type: "image/jpeg" }),
|
||||
);
|
||||
ctx.drawImage(bitmap, x, y, w, h);
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||||
bitmap.close();
|
||||
} catch {}
|
||||
} else {
|
||||
if (slice.length === w * h * 4) {
|
||||
const imgData = new ImageData(new Uint8ClampedArray(slice), w, h);
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||||
ctx.putImageData(imgData, x, y);
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||||
}
|
||||
}
|
||||
}
|
||||
updateFpsDisplay(fps);
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return;
|
||||
}
|
||||
}
|
||||
|
||||
const msg = decodeMsgpack(buf);
|
||||
if (msg && msg.type === "status" && msg.status) {
|
||||
handleStatus(msg);
|
||||
return;
|
||||
}
|
||||
if (msg && msg.type === "input_latency") {
|
||||
updateLatency(Number(msg.ms) || 0);
|
||||
return;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
const msg = decodeMsgpack(ev.data);
|
||||
if (msg && msg.type === "status" && msg.status) {
|
||||
handleStatus(msg);
|
||||
return;
|
||||
}
|
||||
if (msg && msg.type === "input_latency") {
|
||||
updateLatency(Number(msg.ms) || 0);
|
||||
return;
|
||||
}
|
||||
});
|
||||
|
||||
ws.addEventListener("open", function () {
|
||||
if (qualitySlider) {
|
||||
pushQuality(qualitySlider.value);
|
||||
}
|
||||
pushInputToggles();
|
||||
pushCaptureToggles();
|
||||
clearOfflineTimer();
|
||||
setStreamState("idle", "Stopped");
|
||||
fetchClientInfo().then(() => {
|
||||
if (displaySelect && displaySelect.value) {
|
||||
console.debug("rd: initial select display", displaySelect.value);
|
||||
sendCmd("desktop_select_display", {
|
||||
display: parseInt(displaySelect.value, 10),
|
||||
});
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
ws.addEventListener("close", function () {
|
||||
desiredStreaming = false;
|
||||
setStreamState("disconnected", "Disconnected");
|
||||
});
|
||||
|
||||
ws.addEventListener("error", function () {
|
||||
setStreamState("error", "WebSocket error");
|
||||
});
|
||||
|
||||
if (!frameWatchTimer) {
|
||||
frameWatchTimer = setInterval(() => {
|
||||
const now = performance.now();
|
||||
if (desiredStreaming) {
|
||||
if (lastFrameAt && now - lastFrameAt > 2000) {
|
||||
setStreamState("stalled", "No frames");
|
||||
} else if (!lastFrameAt && streamState === "starting") {
|
||||
setStreamState("starting", "Starting stream");
|
||||
}
|
||||
} else if (streamState !== "offline" && streamState !== "disconnected" && streamState !== "error") {
|
||||
if (lastFrameAt && now - lastFrameAt < 2000) {
|
||||
if (streamState !== "stopping") {
|
||||
setStreamState("stopping", "Stopping stream");
|
||||
}
|
||||
} else if (streamState !== "idle") {
|
||||
setStreamState("idle", "Stopped");
|
||||
}
|
||||
}
|
||||
}, 1000);
|
||||
}
|
||||
|
||||
function getCanvasPoint(e) {
|
||||
let rect = canvas.getBoundingClientRect();
|
||||
if (!rect.width || !rect.height) {
|
||||
rect = canvasContainer?.getBoundingClientRect() || rect;
|
||||
}
|
||||
const targetW = canvas.width || frameWidth;
|
||||
const targetH = canvas.height || frameHeight;
|
||||
if (!rect.width || !rect.height || !targetW || !targetH) return null;
|
||||
let x = ((e.clientX - rect.left) / rect.width) * targetW;
|
||||
let y = ((e.clientY - rect.top) / rect.height) * targetH;
|
||||
if (!Number.isFinite(x) || !Number.isFinite(y)) return null;
|
||||
x = Math.max(0, Math.min(targetW - 1, Math.floor(x)));
|
||||
y = Math.max(0, Math.min(targetH - 1, Math.floor(y)));
|
||||
return { x, y };
|
||||
}
|
||||
|
||||
function flushMouseMove() {
|
||||
moveTimer = null;
|
||||
if (!pendingMove || !mouseCtrl.checked) return;
|
||||
const now = performance.now();
|
||||
if (!smoothPoint) {
|
||||
smoothPoint = { x: pendingMove.x, y: pendingMove.y };
|
||||
}
|
||||
const factor = Math.max(0, Math.min(0.8, smoothingPct / 100));
|
||||
const alpha = 1 - factor;
|
||||
smoothPoint.x += (pendingMove.x - smoothPoint.x) * alpha;
|
||||
smoothPoint.y += (pendingMove.y - smoothPoint.y) * alpha;
|
||||
|
||||
const sendPoint = {
|
||||
x: Math.round(smoothPoint.x),
|
||||
y: Math.round(smoothPoint.y),
|
||||
};
|
||||
|
||||
if (now - lastMoveSentAt < mouseMoveIntervalMs) {
|
||||
if (!moveTimer) {
|
||||
moveTimer = setTimeout(flushMouseMove, mouseMoveIntervalMs);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
lastMoveSentAt = now;
|
||||
if (ws.bufferedAmount <= inputBackpressureBytes) {
|
||||
sendCmd("mouse_move", sendPoint);
|
||||
}
|
||||
}
|
||||
|
||||
canvas.addEventListener("mousemove", function (e) {
|
||||
if (!mouseCtrl.checked) return;
|
||||
const pt = getCanvasPoint(e);
|
||||
if (!pt) return;
|
||||
pendingMove = pt;
|
||||
if (!moveTimer) {
|
||||
flushMouseMove();
|
||||
}
|
||||
});
|
||||
canvas.addEventListener("mousedown", function (e) {
|
||||
if (!mouseCtrl.checked) return;
|
||||
canvas.focus();
|
||||
const pt = getCanvasPoint(e);
|
||||
if (pt) {
|
||||
pendingMove = pt;
|
||||
smoothPoint = { x: pt.x, y: pt.y };
|
||||
sendCmd("mouse_move", pt);
|
||||
}
|
||||
sendCmd("mouse_down", { button: e.button, ...(pt || {}) });
|
||||
e.preventDefault();
|
||||
});
|
||||
canvas.addEventListener("mouseup", function (e) {
|
||||
if (!mouseCtrl.checked) return;
|
||||
const pt = getCanvasPoint(e);
|
||||
if (pt) {
|
||||
pendingMove = pt;
|
||||
smoothPoint = { x: pt.x, y: pt.y };
|
||||
sendCmd("mouse_move", pt);
|
||||
}
|
||||
sendCmd("mouse_up", { button: e.button, ...(pt || {}) });
|
||||
e.preventDefault();
|
||||
});
|
||||
canvas.addEventListener("contextmenu", function (e) {
|
||||
e.preventDefault();
|
||||
});
|
||||
|
||||
canvas.setAttribute("tabindex", "0");
|
||||
canvas.addEventListener("click", function () {
|
||||
canvas.focus();
|
||||
});
|
||||
canvas.addEventListener("keydown", function (e) {
|
||||
if (!kbdCtrl.checked) return;
|
||||
if (!e.ctrlKey && !e.metaKey && !e.altKey && typeof e.key === "string" && e.key.length === 1) {
|
||||
sendCmd("text_input", { text: e.key });
|
||||
e.preventDefault();
|
||||
return;
|
||||
}
|
||||
sendCmd("key_down", { key: e.key, code: e.code });
|
||||
e.preventDefault();
|
||||
});
|
||||
canvas.addEventListener("keyup", function (e) {
|
||||
if (!kbdCtrl.checked) return;
|
||||
if (!e.ctrlKey && !e.metaKey && !e.altKey && typeof e.key === "string" && e.key.length === 1) {
|
||||
e.preventDefault();
|
||||
return;
|
||||
}
|
||||
sendCmd("key_up", { key: e.key, code: e.code });
|
||||
e.preventDefault();
|
||||
});
|
||||
|
||||
function stopOnExit() {
|
||||
if (ws.readyState === WebSocket.OPEN && desiredStreaming) {
|
||||
desiredStreaming = false;
|
||||
sendCmd("desktop_stop", {});
|
||||
}
|
||||
}
|
||||
|
||||
window.addEventListener("beforeunload", stopOnExit);
|
||||
window.addEventListener("pagehide", stopOnExit);
|
||||
|
||||
fetchClientInfo();
|
||||
})();
|
||||
Reference in New Issue
Block a user