2247 lines
75 KiB
JavaScript
2247 lines
75 KiB
JavaScript
import { encodeMsgpack, decodeMsgpack } from "./msgpack-helpers.js";
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import { checkFeatureAccess } from "./feature-gate.js";
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import { WhepClient } from "./whep.js";
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import { P2PClient } from "./webrtc-p2p.js";
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import { createKeyboardCapture } from "./keyboard-capture.js";
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import { createSharedUiSettingsSaver, loadSharedUiSettings } from "./shared-ui-settings.js";
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(async 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 allowed = await checkFeatureAccess("remote_desktop", clientId);
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if (!allowed) return;
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const clientLabel = document.getElementById("clientLabel");
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clientLabel.textContent = clientId;
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let ws = null;
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let reconnectTimer = null;
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let reconnectDelay = 1000;
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const maxReconnectDelay = 15000;
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function buildWsUrl() {
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return (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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function connectWs() {
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if (reconnectTimer) { clearTimeout(reconnectTimer); reconnectTimer = null; }
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ws = new WebSocket(buildWsUrl());
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ws.binaryType = "arraybuffer";
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ws.addEventListener("open", onWsOpen);
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ws.addEventListener("message", onWsMessage);
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ws.addEventListener("close", onWsClose);
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ws.addEventListener("error", onWsError);
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}
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function scheduleReconnect() {
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if (reconnectTimer) return;
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reconnectTimer = setTimeout(() => {
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reconnectTimer = null;
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setStreamState("connecting", "Reconnecting");
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connectWs();
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reconnectDelay = Math.min(reconnectDelay * 1.5, maxReconnectDelay);
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}, reconnectDelay);
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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 recordBtn = document.getElementById("recordBtn");
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const rdRecordingSettingsBtn = document.getElementById("rdRecordingSettingsBtn");
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const recordMode = document.getElementById("recordMode");
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const recordFps = document.getElementById("recordFps");
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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 streamProfileSelect = document.getElementById("streamProfileSelect");
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const streamProfileDetail = document.getElementById("streamProfileDetail");
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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 codecH264 = document.getElementById("codecH264");
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const softwareH264Ctrl = document.getElementById("softwareH264Ctrl");
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const codecMode = document.getElementById("codecMode");
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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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const clipboardSyncCtrl = document.getElementById("clipboardSyncCtrl");
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const privacyCtrl = document.getElementById("privacyCtrl");
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const audioCtrl = document.getElementById("audioCtrl");
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const webrtcMode = document.getElementById("webrtcMode");
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const webrtcVideo = document.getElementById("webrtcVideo");
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let whepClient = null;
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let p2pClient = null;
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let webrtcActive = false;
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function getWebrtcMode() {
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return webrtcMode ? String(webrtcMode.value || "off") : "off";
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}
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let activeClientId = clientId;
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let serverRecording = null;
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let recordingTimer = null;
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let pendingRecordingDownloadId = "";
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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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let frameDecodeBusy = false;
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let pendingFrame = null;
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let videoDecoder = null;
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let h264TimestampUs = 0;
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let prefersH264 = typeof VideoDecoder === "function";
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let h264LowFpsStreak = 0;
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let h264FirstFrameAt = 0;
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let h264FramesSeen = 0;
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let h264KeyframeErrorStreak = 0;
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let h264RecoveryAttempts = 0;
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let h264LastDecodeWarnAt = 0;
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const H264_LOW_FPS_THRESHOLD = 6;
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const H264_FALLBACK_WARMUP_MS = 10000;
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const H264_MIN_FRAMES_BEFORE_FALLBACK = 120;
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const H264_LOW_FPS_STREAK_LIMIT = 120;
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const H264_KEYFRAME_ERROR_RESTART_THRESHOLD = 24;
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const H264_MAX_RECOVERY_ATTEMPTS = 1;
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const H264_DECODE_WARN_THROTTLE_MS = 2000;
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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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let clipboardSyncTimer = null;
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let lastClipboardText = "";
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let clipboardSyncActive = false;
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let elevationPending = false;
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let clientOs = "";
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let clientIsAdmin = false;
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let firewallWarningAcked = false;
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let firstFrameLogged = false;
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function rdDebug(label, data = {}) {
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try {
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console.debug(`rd: ${label} ${JSON.stringify(data)}`);
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} catch {
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console.debug(`rd: ${label}`, data);
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}
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}
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function resetH264RuntimeState() {
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h264TimestampUs = 0;
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h264LowFpsStreak = 0;
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h264FirstFrameAt = 0;
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h264FramesSeen = 0;
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h264KeyframeErrorStreak = 0;
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}
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/* ── Remote Desktop Audio (system audio from client) ── */
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const AUDIO_SAMPLE_RATE = 16000;
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const AUDIO_PLAYBACK_FRAME = 512;
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const AUDIO_MAX_BUFFER_MS = 120;
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let audioWs = null;
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let audioPlayCtx = null;
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let audioProcessorNode = null;
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let audioChunks = [];
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let audioChunkOffset = 0;
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function audioResampleInt16ToFloat32(srcInt16, srcRate, dstRate) {
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if (!srcInt16 || srcInt16.length === 0) return new Float32Array(0);
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if (srcRate === dstRate) {
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const out = new Float32Array(srcInt16.length);
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for (let i = 0; i < srcInt16.length; i++) out[i] = srcInt16[i] / 0x8000;
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return out;
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}
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const outLength = Math.max(1, Math.round((srcInt16.length * dstRate) / srcRate));
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const out = new Float32Array(outLength);
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const step = srcRate / dstRate;
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for (let i = 0; i < outLength; i++) {
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const srcPos = i * step;
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const i0 = Math.floor(srcPos);
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const i1 = Math.min(i0 + 1, srcInt16.length - 1);
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const frac = srcPos - i0;
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out[i] = (srcInt16[i0] * (1 - frac) + srcInt16[i1] * frac) / 0x8000;
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}
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return out;
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}
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function initAudioPlayback() {
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if (!audioPlayCtx) {
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audioPlayCtx = new AudioContext({ sampleRate: AUDIO_SAMPLE_RATE, latencyHint: "interactive" });
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}
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if (!audioProcessorNode) {
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audioProcessorNode = audioPlayCtx.createScriptProcessor(AUDIO_PLAYBACK_FRAME, 1, 1);
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audioProcessorNode.onaudioprocess = function (event) {
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const out = event.outputBuffer.getChannelData(0);
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out.fill(0);
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let writeIndex = 0;
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while (writeIndex < out.length && audioChunks.length > 0) {
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const head = audioChunks[0];
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const remaining = head.length - audioChunkOffset;
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if (remaining <= 0) { audioChunks.shift(); audioChunkOffset = 0; continue; }
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const take = Math.min(out.length - writeIndex, remaining);
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out.set(head.subarray(audioChunkOffset, audioChunkOffset + take), writeIndex);
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writeIndex += take;
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audioChunkOffset += take;
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if (audioChunkOffset >= head.length) { audioChunks.shift(); audioChunkOffset = 0; }
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}
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};
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audioProcessorNode.connect(audioPlayCtx.destination);
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}
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}
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function appendAudioPcm(binary) {
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if (!audioPlayCtx) initAudioPlayback();
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const samples = Math.floor(binary.byteLength / 2);
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if (samples <= 0) return;
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const src = new Int16Array(binary.buffer, binary.byteOffset, samples);
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const chunk = audioResampleInt16ToFloat32(src, AUDIO_SAMPLE_RATE, audioPlayCtx?.sampleRate || AUDIO_SAMPLE_RATE);
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if (chunk.length === 0) return;
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audioChunks.push(chunk);
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let buffered = -audioChunkOffset;
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for (const c of audioChunks) buffered += c.length;
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const rate = audioPlayCtx?.sampleRate || AUDIO_SAMPLE_RATE;
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const max = Math.max(AUDIO_PLAYBACK_FRAME, Math.round(rate * (AUDIO_MAX_BUFFER_MS / 1000)));
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while (buffered > max && audioChunks.length > 0) {
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const dropped = audioChunks.shift();
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buffered -= dropped?.length || 0;
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audioChunkOffset = 0;
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}
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}
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const audioTransport = document.getElementById("audioTransport");
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const webrtcAudio = document.getElementById("webrtcAudio");
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let audioWhep = null;
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let audioP2P = null;
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function getAudioTransport() {
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return audioTransport ? String(audioTransport.value || "off") : "off";
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}
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async function stopAudioWebrtc() {
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const w = audioWhep;
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audioWhep = null;
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if (w) { try { await w.stop(); } catch {} }
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const p = audioP2P;
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audioP2P = null;
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if (p) { try { await p.stop(); } catch {} }
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}
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async function startAudioWhep(whepPath) {
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await stopAudioWebrtc();
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audioWhep = new WhepClient({
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whepPath,
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audioEl: webrtcAudio,
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onState: (s) => console.debug("audio-webrtc[Relayed]: state", s),
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});
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try {
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await audioWhep.start();
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} catch (err) {
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console.warn("audio: WHEP start failed", err);
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audioWhep = null;
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}
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}
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function startAudioP2P() {
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if (!audioWs || audioWs.readyState !== WebSocket.OPEN) return;
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audioP2P = new P2PClient({
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audioEl: webrtcAudio,
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send: (msg) => {
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if (audioWs && audioWs.readyState === WebSocket.OPEN) {
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audioWs.send(JSON.stringify(msg));
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}
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},
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onState: (s) => console.debug("audio-webrtc[P2P]: state", s),
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});
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audioP2P.start().catch((err) => {
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console.warn("audio: P2P start failed", err);
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audioP2P = null;
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});
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}
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function connectAudio() {
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if (audioWs && audioWs.readyState === WebSocket.OPEN) return;
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const mode = getAudioTransport();
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// The WS-PCM path requires an AudioContext — only init it when we
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// actually need it (WebRTC plays through the <audio> element instead).
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if (mode === "off") {
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initAudioPlayback();
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if (audioPlayCtx?.state === "suspended") audioPlayCtx.resume();
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}
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const proto = location.protocol === "https:" ? "wss:" : "ws:";
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// Each handler captures `ws` locally instead of reading the module-scope
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// `audioWs`. When the operator switches transports, the previous socket's
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// close event fires asynchronously and would otherwise null out the
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// freshly created replacement.
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const ws = new WebSocket(proto + "//" + location.host + "/api/clients/" + encodeURIComponent(clientId) + "/desktop-audio/ws");
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audioWs = ws;
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ws.binaryType = "arraybuffer";
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ws.onopen = function () {
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const start = { type: "start", source: "system" };
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if (mode === "relayed") start.webrtc = true;
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try { ws.send(JSON.stringify(start)); } catch (err) {
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console.warn("audio: send start failed", err);
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return;
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}
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if (mode === "p2p") startAudioP2P();
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};
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ws.onmessage = function (ev) {
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if (typeof ev.data === "string") {
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let msg;
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try { msg = JSON.parse(ev.data); } catch { return; }
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if (!msg || typeof msg.type !== "string") return;
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if (msg.type === "webrtc_ready" && typeof msg.whepPath === "string") {
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startAudioWhep(msg.whepPath);
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return;
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}
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if (msg.type === "webrtc_p2p_answer" && typeof msg.sdp === "string") {
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if (audioP2P) audioP2P.onAnswer(msg.sdp);
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return;
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}
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if (msg.type === "webrtc_p2p_ice") {
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if (audioP2P) audioP2P.onRemoteCandidate(msg);
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return;
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}
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return;
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}
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const bytes = new Uint8Array(ev.data);
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// Only feed PCM into the ScriptProcessor when the WS path is the active
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// playback — WebRTC modes ignore the parallel PCM uplink.
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if (mode === "off" && bytes.byteLength > 1) appendAudioPcm(bytes);
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};
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ws.onclose = function () {
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// Stale closes from a previous switch must not stomp the current
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// socket. Only do the global teardown if this WS is still active.
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if (audioWs === ws) {
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stopAudioWebrtc();
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cleanupAudio(false);
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}
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};
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ws.onerror = function () {};
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}
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function disconnectAudio(uncheckBox = true) {
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if (audioWs) {
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try { audioWs.send(JSON.stringify({ type: "stop" })); } catch {}
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try { audioWs.close(); } catch {}
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audioWs = null;
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}
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stopAudioWebrtc();
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cleanupAudio(uncheckBox);
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}
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function cleanupAudio(uncheckBox) {
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if (audioProcessorNode) {
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audioProcessorNode.disconnect();
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audioProcessorNode.onaudioprocess = null;
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audioProcessorNode = null;
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}
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if (audioPlayCtx) {
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audioPlayCtx.close().catch(function () {});
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audioPlayCtx = null;
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}
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audioChunks = [];
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audioChunkOffset = 0;
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audioWs = null;
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if (uncheckBox && audioCtrl) audioCtrl.checked = false;
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}
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function resetH264SessionState() {
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resetH264RuntimeState();
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h264RecoveryAttempts = 0;
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h264LastDecodeWarnAt = 0;
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}
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let savedDisplay = null;
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let savedStreamProfile = null;
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function setSelectValue(select, value) {
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if (!select || value === undefined || value === null) return false;
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const normalized = String(value);
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const exists = Array.from(select.options || []).some((opt) => opt.value === normalized);
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if (!exists) return false;
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select.value = normalized;
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return true;
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}
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function applySavedDisplay() {
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if (savedDisplay === null || savedDisplay === undefined) return;
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setSelectValue(displaySelect, savedDisplay);
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}
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function applySharedSettings(settings) {
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if (!settings || typeof settings !== "object") return;
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savedDisplay = Number.isFinite(Number(settings.display)) ? Number(settings.display) : savedDisplay;
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savedStreamProfile = settings.streamProfile ||
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((settings.resolution !== undefined && settings.targetFps !== undefined)
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? `${settings.resolution}:${settings.targetFps}`
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: savedStreamProfile);
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setSelectValue(streamProfileSelect, savedStreamProfile);
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setSelectValue(webrtcMode, settings.webrtcMode);
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setSelectValue(audioTransport, settings.audioTransport);
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setSelectValue(recordMode, settings.recordMode);
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setSelectValue(recordFps, settings.recordFps);
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if (qualitySlider && settings.quality !== undefined) qualitySlider.value = String(settings.quality);
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if (smoothingSlider && settings.smoothing !== undefined) {
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smoothingSlider.value = String(settings.smoothing);
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smoothingPct = Number(smoothingSlider.value) || 0;
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}
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if (mouseCtrl && typeof settings.mouse === "boolean") mouseCtrl.checked = settings.mouse;
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if (kbdCtrl && typeof settings.keyboard === "boolean") kbdCtrl.checked = settings.keyboard;
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if (cursorCtrl && typeof settings.cursor === "boolean") cursorCtrl.checked = settings.cursor;
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if (duplicationCtrl && typeof settings.duplication === "boolean") duplicationCtrl.checked = settings.duplication;
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if (softwareH264Ctrl && typeof settings.softwareH264 === "boolean") softwareH264Ctrl.checked = settings.softwareH264;
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if (clipboardSyncCtrl && typeof settings.clipboardSync === "boolean") clipboardSyncCtrl.checked = settings.clipboardSync;
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if (audioCtrl && typeof settings.audio === "boolean") audioCtrl.checked = settings.audio;
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if (typeof settings.preferH264 === "boolean") {
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prefersH264 = settings.preferH264 && typeof VideoDecoder === "function";
|
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}
|
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applySavedDisplay();
|
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}
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function readSharedSettings() {
|
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const profile = selectedStreamProfile();
|
|
return {
|
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display: Number(displaySelect?.value || 0),
|
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streamProfile: streamProfileSelect?.value || "1080:60",
|
|
// Keep the legacy fields so HVNC and older remote-desktop builds that
|
|
// share these preferences continue to receive equivalent settings.
|
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resolution: String(profile.maxHeight),
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targetFps: String(profile.fps),
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quality: Number(qualitySlider?.value || 90),
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preferH264: !!prefersH264,
|
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webrtcMode: getWebrtcMode(),
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mouse: !!mouseCtrl?.checked,
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keyboard: !!kbdCtrl?.checked,
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cursor: !!cursorCtrl?.checked,
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duplication: !!duplicationCtrl?.checked,
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softwareH264: !!softwareH264Ctrl?.checked,
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clipboardSync: !!clipboardSyncCtrl?.checked,
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privacy: !!privacyCtrl?.checked,
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audio: !!audioCtrl?.checked,
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audioTransport: getAudioTransport(),
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smoothing: Number(smoothingSlider?.value || 20),
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recordMode: recordMode?.value || "normal",
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recordFps: recordFps?.value || "",
|
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};
|
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}
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|
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applySharedSettings(await loadSharedUiSettings("remote_desktop"));
|
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const sharedSettingsSaver = createSharedUiSettingsSaver("remote_desktop", readSharedSettings);
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|
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if (codecH264) {
|
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codecH264.checked = prefersH264;
|
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codecH264.disabled = typeof VideoDecoder !== "function";
|
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}
|
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if (softwareH264Ctrl) {
|
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softwareH264Ctrl.disabled = !prefersH264;
|
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}
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|
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function setCodecModeLabel(mode, detail) {
|
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if (!codecMode) return;
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const suffix = detail ? ` (${detail})` : "";
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codecMode.textContent = `Codec: ${String(mode || "auto").toUpperCase()}${suffix}`;
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}
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setCodecModeLabel(prefersH264 ? "h264" : "jpeg", "preferred");
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|
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setStreamState("connecting", "Connecting");
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|
|
function updateFpsDisplay(agentValue) {
|
|
if (agentValue !== undefined && agentValue !== null && agentFps) {
|
|
agentFps.textContent = String(agentValue);
|
|
}
|
|
const now = performance.now();
|
|
renderCount += 1;
|
|
const elapsed = now - renderWindowStart;
|
|
if (elapsed >= 1000 && viewerFps) {
|
|
const fps = Math.round((renderCount * 1000) / elapsed);
|
|
viewerFps.textContent = String(fps);
|
|
renderCount = 0;
|
|
renderWindowStart = now;
|
|
}
|
|
}
|
|
|
|
function setStreamState(state, text) {
|
|
streamState = state;
|
|
if (statusEl) {
|
|
const icons = {
|
|
connecting: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
|
|
starting: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
|
|
stopping: '<i class="fa-solid fa-circle-notch fa-spin"></i>',
|
|
streaming: '<i class="fa-solid fa-circle text-emerald-400"></i>',
|
|
idle: '<i class="fa-solid fa-circle text-slate-400"></i>',
|
|
stalled: '<i class="fa-solid fa-triangle-exclamation text-amber-400"></i>',
|
|
offline: '<i class="fa-solid fa-plug-circle-xmark text-rose-400"></i>',
|
|
disconnected: '<i class="fa-solid fa-link-slash text-slate-400"></i>',
|
|
error: '<i class="fa-solid fa-circle-exclamation text-rose-400"></i>',
|
|
};
|
|
const label = text ||
|
|
(state === "streaming" ? "Streaming" :
|
|
state === "starting" ? "Starting" :
|
|
state === "stopping" ? "Stopping" :
|
|
state === "offline" ? "Client offline" :
|
|
state === "disconnected" ? "Disconnected" :
|
|
state === "stalled" ? "No frames" :
|
|
state === "idle" ? "Stopped" :
|
|
"Connecting");
|
|
|
|
statusEl.innerHTML = `${icons[state] || icons.idle} <span>${label}</span>`;
|
|
const base = "inline-flex items-center gap-2 px-3 py-2 rounded-full border text-sm";
|
|
const styles = {
|
|
streaming: "bg-emerald-900/40 text-emerald-100 border-emerald-700/70",
|
|
starting: "bg-sky-900/40 text-sky-100 border-sky-700/70",
|
|
stopping: "bg-amber-900/40 text-amber-100 border-amber-700/70",
|
|
stalled: "bg-amber-900/40 text-amber-100 border-amber-700/70",
|
|
offline: "bg-rose-900/40 text-rose-100 border-rose-700/70",
|
|
error: "bg-rose-900/40 text-rose-100 border-rose-700/70",
|
|
disconnected: "bg-slate-800 text-slate-300 border-slate-700",
|
|
idle: "bg-slate-800 text-slate-300 border-slate-700",
|
|
connecting: "bg-slate-800 text-slate-300 border-slate-700",
|
|
};
|
|
statusEl.className = `${base} ${styles[state] || styles.idle}`;
|
|
}
|
|
|
|
if (canvasContainer) {
|
|
canvasContainer.dataset.streamState = state;
|
|
}
|
|
|
|
if (state === "idle" || state === "offline" || state === "disconnected" || state === "error") {
|
|
if (agentFps) agentFps.textContent = "--";
|
|
if (viewerFps) viewerFps.textContent = "--";
|
|
renderCount = 0;
|
|
renderWindowStart = performance.now();
|
|
}
|
|
|
|
updateControls();
|
|
checkClipboardSync();
|
|
}
|
|
|
|
function updateControls() {
|
|
const wsOpen = ws && ws.readyState === WebSocket.OPEN;
|
|
const isStarting = streamState === "starting";
|
|
const isStreaming = streamState === "streaming";
|
|
const isStopping = streamState === "stopping";
|
|
const isStalled = streamState === "stalled";
|
|
const isBlocked = streamState === "offline" || streamState === "disconnected" || streamState === "error";
|
|
const recordingActive = isRecording();
|
|
|
|
if (startBtn) {
|
|
startBtn.disabled = !wsOpen || isStarting || isStreaming || isStopping || isBlocked;
|
|
}
|
|
if (stopBtn) {
|
|
stopBtn.disabled = !wsOpen || (!isStarting && !isStreaming && !isStopping && !isStalled);
|
|
}
|
|
if (recordBtn) {
|
|
recordBtn.disabled =
|
|
!recordingActive &&
|
|
(!wsOpen || (!isStreaming && !isStalled) || getWebrtcMode() !== "off");
|
|
}
|
|
if (recordMode) {
|
|
recordMode.disabled = recordingActive;
|
|
}
|
|
if (recordFps) {
|
|
recordFps.disabled = recordingActive;
|
|
}
|
|
if (rdRecordingSettingsBtn) {
|
|
rdRecordingSettingsBtn.disabled = recordingActive;
|
|
}
|
|
}
|
|
|
|
function isRecording() {
|
|
return !!serverRecording && ["starting", "recording", "stopping"].includes(serverRecording.status);
|
|
}
|
|
|
|
function formatRecordingDuration(ms) {
|
|
const totalSeconds = Math.max(0, Math.floor(ms / 1000));
|
|
const minutes = Math.floor(totalSeconds / 60);
|
|
const seconds = totalSeconds % 60;
|
|
return `${String(minutes).padStart(2, "0")}:${String(seconds).padStart(2, "0")}`;
|
|
}
|
|
|
|
function numericRecordingValue(value, fallback = 0) {
|
|
if (typeof value === "bigint") return Number(value);
|
|
const num = Number(value);
|
|
return Number.isFinite(num) ? num : fallback;
|
|
}
|
|
|
|
function normalizeRecordingSummary(recording) {
|
|
if (!recording) return null;
|
|
const normalized = { ...recording };
|
|
normalized.startedAt = numericRecordingValue(recording.startedAt, Date.now());
|
|
if (recording.stoppedAt != null) normalized.stoppedAt = numericRecordingValue(recording.stoppedAt);
|
|
for (const key of ["sourceFps", "targetFps", "segmentSeconds", "framesWritten", "framesDropped", "framesSkipped", "bytesWritten"]) {
|
|
if (recording[key] != null) normalized[key] = numericRecordingValue(recording[key]);
|
|
}
|
|
if (Array.isArray(recording.files)) {
|
|
normalized.files = recording.files.map((file) => ({
|
|
...file,
|
|
size: numericRecordingValue(file?.size),
|
|
}));
|
|
}
|
|
return normalized;
|
|
}
|
|
|
|
function selectedRecordingFps() {
|
|
const fps = Number(recordFps?.value || 0);
|
|
return Number.isFinite(fps) && fps > 0
|
|
? Math.max(1, Math.min(120, Math.floor(fps)))
|
|
: 0;
|
|
}
|
|
|
|
function setRecordingUi(active) {
|
|
if (!recordBtn) return;
|
|
if (active) {
|
|
recordBtn.classList.add("recording");
|
|
recordBtn.title = "Stop recording";
|
|
const startedAt = numericRecordingValue(serverRecording?.startedAt, Date.now());
|
|
const elapsed = Date.now() - startedAt;
|
|
const label = serverRecording?.status === "stopping"
|
|
? "Stopping"
|
|
: formatRecordingDuration(elapsed);
|
|
recordBtn.innerHTML = `<i class="fa-solid fa-stop"></i><span>${label}</span>`;
|
|
} else {
|
|
recordBtn.classList.remove("recording");
|
|
recordBtn.title = "Record on the server using Canvas transport";
|
|
recordBtn.innerHTML = '<i class="fa-solid fa-circle-dot"></i><span>Record</span>';
|
|
}
|
|
}
|
|
|
|
function clearRecordingTimer() {
|
|
if (recordingTimer) {
|
|
clearInterval(recordingTimer);
|
|
recordingTimer = null;
|
|
}
|
|
}
|
|
|
|
function ensureRecordingTimer() {
|
|
if (recordingTimer || !isRecording()) return;
|
|
recordingTimer = setInterval(() => setRecordingUi(true), 1000);
|
|
}
|
|
|
|
function downloadRecordingFile(file) {
|
|
if (!file?.downloadUrl) return false;
|
|
console.debug("rd: recording download", {
|
|
name: file.name || "",
|
|
size: file.size || 0,
|
|
url: file.downloadUrl,
|
|
});
|
|
const link = document.createElement("a");
|
|
link.href = file.downloadUrl;
|
|
link.download = file.name || "remote-desktop-recording.mp4";
|
|
link.style.display = "none";
|
|
document.body.appendChild(link);
|
|
link.click();
|
|
link.remove();
|
|
return true;
|
|
}
|
|
|
|
function renderRecordingDownloads(recording) {
|
|
if (!recording || !Array.isArray(recording.files) || recording.files.length === 0) return false;
|
|
const mp4Files = recording.files.filter((file) => String(file?.name || "").toLowerCase().endsWith(".mp4"));
|
|
const files = mp4Files.length ? mp4Files : recording.files;
|
|
const latest = files[files.length - 1];
|
|
if (!latest?.downloadUrl) return false;
|
|
const message = recording.files.length === 1
|
|
? "Recording saved on the server."
|
|
: `Recording saved on the server in ${recording.files.length} segments.`;
|
|
console.info(message, recording.files);
|
|
return downloadRecordingFile(latest);
|
|
}
|
|
|
|
function handleRecordingStatus(msg) {
|
|
if (msg?.error) {
|
|
alert(msg.error);
|
|
}
|
|
const previousId = serverRecording?.id || "";
|
|
const previousActive = isRecording();
|
|
serverRecording = normalizeRecordingSummary(msg?.recording);
|
|
console.debug("rd: recording status", {
|
|
status: serverRecording?.status || "none",
|
|
id: serverRecording?.id || "",
|
|
framesWritten: serverRecording?.framesWritten,
|
|
framesSkipped: serverRecording?.framesSkipped,
|
|
framesDropped: serverRecording?.framesDropped,
|
|
files: Array.isArray(serverRecording?.files) ? serverRecording.files.length : 0,
|
|
pendingDownloadId: pendingRecordingDownloadId,
|
|
});
|
|
const active = isRecording();
|
|
if (active) {
|
|
ensureRecordingTimer();
|
|
setRecordingUi(true);
|
|
} else {
|
|
clearRecordingTimer();
|
|
setRecordingUi(false);
|
|
}
|
|
updateControls();
|
|
|
|
const completed =
|
|
previousActive &&
|
|
serverRecording &&
|
|
serverRecording.id === previousId &&
|
|
(serverRecording.status === "stopped" || serverRecording.status === "failed");
|
|
const shouldDownload =
|
|
serverRecording?.status === "stopped" &&
|
|
pendingRecordingDownloadId &&
|
|
(pendingRecordingDownloadId === "__pending__" || serverRecording.id === pendingRecordingDownloadId);
|
|
if (completed || shouldDownload) {
|
|
if (serverRecording.status === "failed") {
|
|
alert(`Server recording failed: ${serverRecording.error || "Unknown error"}`);
|
|
pendingRecordingDownloadId = "";
|
|
} else if (shouldDownload) {
|
|
if (renderRecordingDownloads(serverRecording)) {
|
|
pendingRecordingDownloadId = "";
|
|
} else if (serverRecording.status === "stopped") {
|
|
alert("Server recording stopped, but no downloadable MP4 was produced.");
|
|
pendingRecordingDownloadId = "";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function startRecording() {
|
|
if (isRecording()) return;
|
|
if (getWebrtcMode() !== "off") {
|
|
alert("Server-side recording uses the Canvas transport. Switch Transport to Canvas before recording.");
|
|
return;
|
|
}
|
|
if (streamState !== "streaming" && streamState !== "stalled") {
|
|
alert("Start the remote desktop stream before recording.");
|
|
return;
|
|
}
|
|
serverRecording = {
|
|
id: "",
|
|
status: "starting",
|
|
startedAt: Date.now(),
|
|
files: [],
|
|
};
|
|
setRecordingUi(true);
|
|
ensureRecordingTimer();
|
|
updateControls();
|
|
const requestedFps = selectedRecordingFps();
|
|
const command = {
|
|
compact: recordMode?.value === "compact",
|
|
};
|
|
if (requestedFps > 0) command.fps = requestedFps;
|
|
console.debug("rd: recording start", {
|
|
streamState,
|
|
transport: getWebrtcMode(),
|
|
requestedFps: requestedFps || "source",
|
|
mode: recordMode?.value || "normal",
|
|
});
|
|
sendCmd("desktop_record_start", command);
|
|
}
|
|
|
|
function stopRecording() {
|
|
if (!isRecording()) return;
|
|
pendingRecordingDownloadId = serverRecording?.id || "__pending__";
|
|
serverRecording = { ...serverRecording, status: "stopping" };
|
|
setRecordingUi(true);
|
|
updateControls();
|
|
console.debug("rd: recording stop", {
|
|
id: pendingRecordingDownloadId,
|
|
framesWritten: serverRecording?.framesWritten,
|
|
framesSkipped: serverRecording?.framesSkipped,
|
|
framesDropped: serverRecording?.framesDropped,
|
|
});
|
|
sendCmd("desktop_record_stop", {});
|
|
}
|
|
|
|
function startClipboardSync() {
|
|
if (clipboardSyncActive) return;
|
|
clipboardSyncActive = true;
|
|
lastClipboardText = "";
|
|
sendCmd("clipboard_sync_start", {});
|
|
clipboardSyncTimer = setInterval(async () => {
|
|
if (!clipboardSyncCtrl || !clipboardSyncCtrl.checked || streamState !== "streaming") {
|
|
stopClipboardSync();
|
|
return;
|
|
}
|
|
try {
|
|
const text = await navigator.clipboard.readText();
|
|
if (text && text !== lastClipboardText) {
|
|
lastClipboardText = text;
|
|
sendCmd("clipboard_sync", { text });
|
|
}
|
|
} catch {}
|
|
}, 1500);
|
|
}
|
|
|
|
function stopClipboardSync() {
|
|
if (!clipboardSyncActive) return;
|
|
clipboardSyncActive = false;
|
|
if (clipboardSyncTimer) {
|
|
clearInterval(clipboardSyncTimer);
|
|
clipboardSyncTimer = null;
|
|
}
|
|
sendCmd("clipboard_sync_stop", {});
|
|
}
|
|
|
|
function checkClipboardSync() {
|
|
const shouldSync = clipboardSyncCtrl && clipboardSyncCtrl.checked && streamState === "streaming";
|
|
if (shouldSync && !clipboardSyncActive) {
|
|
startClipboardSync();
|
|
} else if (!shouldSync && clipboardSyncActive) {
|
|
stopClipboardSync();
|
|
}
|
|
}
|
|
|
|
if (clipboardSyncCtrl) {
|
|
clipboardSyncCtrl.addEventListener("change", function () {
|
|
checkClipboardSync();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
if (privacyCtrl) {
|
|
privacyCtrl.addEventListener("change", function () {
|
|
pushPrivacyToggle();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
function updateLatency(ms) {
|
|
if (ms < 0 || !Number.isFinite(ms)) return;
|
|
latencyAvg = latencyAvg == null ? ms : latencyAvg * 0.8 + ms * 0.2;
|
|
if (inputLatency) {
|
|
inputLatency.textContent = `${Math.round(latencyAvg)} ms`;
|
|
}
|
|
}
|
|
|
|
function clearOfflineTimer() {
|
|
if (offlineTimer) {
|
|
clearTimeout(offlineTimer);
|
|
offlineTimer = null;
|
|
}
|
|
}
|
|
|
|
function scheduleOffline(reason) {
|
|
clearOfflineTimer();
|
|
setStreamState("connecting", "Reconnecting");
|
|
offlineTimer = setTimeout(() => {
|
|
const now = performance.now();
|
|
if (!lastFrameAt || now - lastFrameAt > 3000) {
|
|
if (elevationPending) return;
|
|
desiredStreaming = false;
|
|
setStreamState("offline", reason || "Client offline");
|
|
}
|
|
}, 3000);
|
|
}
|
|
|
|
function handleStatus(msg) {
|
|
if (!msg || msg.type !== "status" || !msg.status) return;
|
|
rdDebug("status", {
|
|
status: msg.status,
|
|
reason: msg.reason || "",
|
|
desiredStreaming,
|
|
streamState,
|
|
lastFrameAgeMs: lastFrameAt ? Math.round(performance.now() - lastFrameAt) : null,
|
|
sessionId: msg.sessionId || "",
|
|
});
|
|
if (msg.status === "offline") {
|
|
scheduleOffline(msg.reason);
|
|
return;
|
|
}
|
|
if (msg.status === "permissions_denied") {
|
|
clearOfflineTimer();
|
|
desiredStreaming = false;
|
|
const missing = Array.isArray(msg.missing) ? msg.missing : [];
|
|
const labels = {
|
|
screenRecording: "Screen Recording",
|
|
accessibility: "Accessibility",
|
|
fullDiskAccess: "Full Disk Access",
|
|
};
|
|
const list = missing.map(k => labels[k] || k).join(", ");
|
|
setStreamState("error", `macOS permissions required: ${list}`);
|
|
showElevateOffer(missing);
|
|
return;
|
|
}
|
|
if (msg.status === "connecting") {
|
|
clearOfflineTimer();
|
|
setStreamState("connecting", "Connecting");
|
|
return;
|
|
}
|
|
if (msg.status === "starting") {
|
|
clearOfflineTimer();
|
|
if (desiredStreaming && streamState !== "streaming") {
|
|
setStreamState("starting", "Starting stream");
|
|
}
|
|
return;
|
|
}
|
|
if (msg.status === "stopped") {
|
|
clearOfflineTimer();
|
|
desiredStreaming = false;
|
|
lastFrameAt = 0;
|
|
setStreamState("idle", "Stopped");
|
|
return;
|
|
}
|
|
if (msg.status === "online") {
|
|
clearOfflineTimer();
|
|
if (elevationPending) {
|
|
elevationPending = false;
|
|
desiredStreaming = true;
|
|
}
|
|
if (desiredStreaming) {
|
|
const shouldRequestStart = !["starting", "streaming", "stalled"].includes(streamState);
|
|
const mode = getWebrtcMode();
|
|
if (shouldRequestStart) {
|
|
setStreamState("starting", "Reconnecting");
|
|
}
|
|
if (displaySelect && displaySelect.value !== undefined) {
|
|
sendCmd("desktop_select_display", {
|
|
display: parseInt(displaySelect.value, 10) || 0,
|
|
});
|
|
}
|
|
pushInputToggles();
|
|
pushCaptureToggles();
|
|
if (qualitySlider) pushQuality(qualitySlider.value);
|
|
pushStreamProfile();
|
|
if (shouldRequestStart) {
|
|
if (mode === "relayed") {
|
|
sendCmd("desktop_start", { webrtc: true });
|
|
} else if (mode === "p2p") {
|
|
sendCmd("desktop_start", {});
|
|
startP2P();
|
|
} else {
|
|
sendCmd("desktop_start", {});
|
|
}
|
|
}
|
|
} else {
|
|
setStreamState("idle", "Stopped");
|
|
}
|
|
}
|
|
}
|
|
|
|
function showElevateOffer(missing) {
|
|
// Remove previous elevate banner if any
|
|
const prev = document.getElementById("rdElevateBanner");
|
|
if (prev) prev.remove();
|
|
|
|
const banner = document.createElement("div");
|
|
banner.id = "rdElevateBanner";
|
|
banner.className = "flex flex-col items-center gap-3 p-4 rounded-lg border border-amber-700/70 bg-amber-900/30 text-amber-100 text-sm";
|
|
|
|
const labels = {
|
|
screenRecording: "Screen Recording",
|
|
accessibility: "Accessibility",
|
|
fullDiskAccess: "Full Disk Access",
|
|
};
|
|
const list = missing.map(k => labels[k] || k).join(", ");
|
|
|
|
banner.innerHTML = `
|
|
<div class="flex items-center gap-2">
|
|
<i class="fa-solid fa-triangle-exclamation text-amber-400"></i>
|
|
<span><strong>macOS permissions missing:</strong> ${list}</span>
|
|
</div>
|
|
<div class="text-xs text-amber-300/80">
|
|
The client needs elevated privileges to grant these permissions. Enter the user's password to elevate.
|
|
</div>
|
|
<div class="flex items-center gap-2">
|
|
<input id="rdElevatePwd" type="password" placeholder="User password" autocomplete="off"
|
|
class="px-3 py-1.5 rounded bg-slate-800 border border-slate-600 text-slate-100 text-sm focus:outline-none focus:border-amber-500" />
|
|
<button id="rdElevateBtn" class="button primary text-sm px-4 py-1.5">
|
|
<i class="fa-solid fa-bolt"></i> Elevate
|
|
</button>
|
|
<button id="rdElevateDismiss" class="button ghost text-sm px-3 py-1.5">Dismiss</button>
|
|
</div>
|
|
<div id="rdElevateStatus" class="text-xs text-slate-400 hidden"></div>
|
|
`;
|
|
|
|
// Insert banner above the canvas area
|
|
if (canvasContainer && canvasContainer.parentNode) {
|
|
canvasContainer.parentNode.insertBefore(banner, canvasContainer);
|
|
}
|
|
|
|
const elevateBtn = document.getElementById("rdElevateBtn");
|
|
const pwdInput = document.getElementById("rdElevatePwd");
|
|
const statusDiv = document.getElementById("rdElevateStatus");
|
|
const dismissBtn = document.getElementById("rdElevateDismiss");
|
|
|
|
if (dismissBtn) {
|
|
dismissBtn.addEventListener("click", () => banner.remove());
|
|
}
|
|
|
|
if (elevateBtn && pwdInput) {
|
|
elevateBtn.addEventListener("click", async () => {
|
|
const password = pwdInput.value.trim();
|
|
if (!password) {
|
|
pwdInput.focus();
|
|
return;
|
|
}
|
|
elevateBtn.disabled = true;
|
|
elevateBtn.innerHTML = '<i class="fa-solid fa-circle-notch fa-spin"></i> Elevating...';
|
|
if (statusDiv) {
|
|
statusDiv.classList.remove("hidden");
|
|
statusDiv.textContent = "Sending elevation request...";
|
|
}
|
|
try {
|
|
const res = await fetch(`/api/clients/${encodeURIComponent(activeClientId)}/command`, {
|
|
method: "POST",
|
|
headers: { "Content-Type": "application/json" },
|
|
body: JSON.stringify({ action: "elevate", password }),
|
|
});
|
|
const data = await res.json();
|
|
if (data.ok) {
|
|
if (statusDiv) {
|
|
statusDiv.textContent = "Elevation successful — client is restarting with elevated permissions. It will reconnect shortly.";
|
|
statusDiv.className = "text-xs text-emerald-400";
|
|
}
|
|
elevateBtn.textContent = "Done";
|
|
elevationPending = true;
|
|
desiredStreaming = true;
|
|
} else {
|
|
if (statusDiv) {
|
|
statusDiv.textContent = `Elevation failed: ${data.message || "Unknown error"}`;
|
|
statusDiv.className = "text-xs text-rose-400";
|
|
}
|
|
elevateBtn.disabled = false;
|
|
elevateBtn.innerHTML = '<i class="fa-solid fa-bolt"></i> Retry';
|
|
}
|
|
} catch (err) {
|
|
if (statusDiv) {
|
|
statusDiv.textContent = `Request failed: ${err.message}`;
|
|
statusDiv.className = "text-xs text-rose-400";
|
|
}
|
|
elevateBtn.disabled = false;
|
|
elevateBtn.innerHTML = '<i class="fa-solid fa-bolt"></i> Retry';
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function sendCmd(type, payload) {
|
|
if (!activeClientId) {
|
|
console.warn("No active client selected");
|
|
return;
|
|
}
|
|
if (!ws || ws.readyState !== WebSocket.OPEN) {
|
|
rdDebug("send skipped websocket not open", {
|
|
type,
|
|
readyState: ws ? ws.readyState : -1,
|
|
streamState,
|
|
desiredStreaming,
|
|
});
|
|
return;
|
|
}
|
|
const msg = { type, ...payload };
|
|
rdDebug("send", {
|
|
msg,
|
|
readyState: ws.readyState,
|
|
streamState,
|
|
desiredStreaming,
|
|
display: displaySelect?.value ?? "",
|
|
quality: qualitySlider?.value ?? "",
|
|
streamProfile: streamProfileSelect?.value ?? "",
|
|
transport: getWebrtcMode(),
|
|
lastFrameAgeMs: lastFrameAt ? Math.round(performance.now() - lastFrameAt) : null,
|
|
});
|
|
ws.send(encodeMsgpack(msg));
|
|
}
|
|
|
|
function setWebrtcViewActive(active) {
|
|
webrtcActive = !!active;
|
|
if (canvas) canvas.style.display = active ? "none" : "block";
|
|
if (webrtcVideo) webrtcVideo.style.display = active ? "block" : "none";
|
|
}
|
|
|
|
function onWebrtcState(label, s) {
|
|
console.debug(`webrtc[${label}]: state`, s);
|
|
if (s === "connected") {
|
|
setStreamState("streaming", `Streaming (${label})`);
|
|
} else if (s === "failed" || s === "disconnected") {
|
|
setWebrtcViewActive(false);
|
|
}
|
|
}
|
|
|
|
// The canvas path counts WS frames via markFrameReceived + updateFpsDisplay.
|
|
// WebRTC bypasses WS entirely, so we tap the <video>'s rendered-frame callback
|
|
// (Chrome/Edge/Firefox 132+) to feed the same counters — otherwise the
|
|
// frame watcher flips to "No frames" and FPS sticks at --.
|
|
let webrtcRvfcHandle = 0;
|
|
let webrtcFpsCount = 0;
|
|
let webrtcFpsWindowStart = 0;
|
|
function startWebrtcFrameTicker() {
|
|
if (!webrtcVideo || typeof webrtcVideo.requestVideoFrameCallback !== "function") return;
|
|
stopWebrtcFrameTicker();
|
|
webrtcFpsCount = 0;
|
|
webrtcFpsWindowStart = performance.now();
|
|
const tick = (now) => {
|
|
markFrameReceived();
|
|
webrtcFpsCount += 1;
|
|
const elapsed = now - webrtcFpsWindowStart;
|
|
if (elapsed >= 1000) {
|
|
const fps = Math.round((webrtcFpsCount * 1000) / elapsed);
|
|
// Agent and viewer FPS are effectively equal in WebRTC mode — the
|
|
// browser renders every frame the agent sends, no decode skipping.
|
|
updateFpsDisplay(fps);
|
|
webrtcFpsCount = 0;
|
|
webrtcFpsWindowStart = now;
|
|
} else {
|
|
updateFpsDisplay();
|
|
}
|
|
webrtcRvfcHandle = webrtcVideo.requestVideoFrameCallback(tick);
|
|
};
|
|
webrtcRvfcHandle = webrtcVideo.requestVideoFrameCallback(tick);
|
|
}
|
|
function stopWebrtcFrameTicker() {
|
|
if (webrtcRvfcHandle && webrtcVideo && typeof webrtcVideo.cancelVideoFrameCallback === "function") {
|
|
webrtcVideo.cancelVideoFrameCallback(webrtcRvfcHandle);
|
|
}
|
|
webrtcRvfcHandle = 0;
|
|
}
|
|
|
|
async function startWhep(whepPath) {
|
|
await stopAllWebrtc();
|
|
if (!webrtcVideo) return;
|
|
whepClient = new WhepClient({
|
|
whepPath,
|
|
videoEl: webrtcVideo,
|
|
onState: (s) => onWebrtcState("WebRTC Relayed", s),
|
|
});
|
|
try {
|
|
await whepClient.start();
|
|
setWebrtcViewActive(true);
|
|
startWebrtcFrameTicker();
|
|
} catch (err) {
|
|
console.warn("webrtc: WHEP start failed, falling back to canvas", err);
|
|
setWebrtcViewActive(false);
|
|
whepClient = null;
|
|
}
|
|
}
|
|
|
|
async function startP2P() {
|
|
await stopAllWebrtc();
|
|
if (!webrtcVideo) return;
|
|
p2pClient = new P2PClient({
|
|
videoEl: webrtcVideo,
|
|
send: (msg) => {
|
|
if (ws.readyState === WebSocket.OPEN) {
|
|
ws.send(encodeMsgpack(msg));
|
|
}
|
|
},
|
|
onState: (s) => onWebrtcState("WebRTC P2P", s),
|
|
});
|
|
try {
|
|
await p2pClient.start();
|
|
setWebrtcViewActive(true);
|
|
startWebrtcFrameTicker();
|
|
} catch (err) {
|
|
console.warn("webrtc: P2P start failed, falling back to canvas", err);
|
|
setWebrtcViewActive(false);
|
|
const c = p2pClient;
|
|
p2pClient = null;
|
|
if (c) { try { await c.stop(); } catch {} }
|
|
}
|
|
}
|
|
|
|
async function stopAllWebrtc() {
|
|
stopWebrtcFrameTicker();
|
|
setWebrtcViewActive(false);
|
|
const w = whepClient;
|
|
whepClient = null;
|
|
if (w) { try { await w.stop(); } catch {} }
|
|
const p = p2pClient;
|
|
p2pClient = null;
|
|
if (p) { try { await p.stop(); } catch {} }
|
|
}
|
|
|
|
let monitors = 1;
|
|
|
|
function populateDisplays(count, monitorInfo) {
|
|
displaySelect.innerHTML = "";
|
|
const infoList = Array.isArray(monitorInfo) ? monitorInfo : null;
|
|
monitors = (infoList && infoList.length) ? infoList.length : (count || 1);
|
|
for (let i = 0; i < monitors; i++) {
|
|
const opt = document.createElement("option");
|
|
opt.value = i;
|
|
const info = infoList && infoList[i];
|
|
const w = info && Number(info.width);
|
|
const h = info && Number(info.height);
|
|
const sizeLabel = w > 0 && h > 0 ? ` (${w}x${h})` : "";
|
|
opt.textContent = "Display " + (i + 1) + sizeLabel;
|
|
displaySelect.appendChild(opt);
|
|
}
|
|
|
|
if (displaySelect.options.length) {
|
|
displaySelect.value = displaySelect.options[0].value;
|
|
}
|
|
applySavedDisplay();
|
|
}
|
|
|
|
async function fetchClientInfo() {
|
|
try {
|
|
const res = await fetch("/api/clients");
|
|
const data = await res.json();
|
|
const client = data.items.find((c) => c.id === activeClientId);
|
|
rdDebug("client info", {
|
|
found: !!client,
|
|
monitors: client?.monitors,
|
|
monitorInfo: client?.monitorInfo,
|
|
os: client?.os || "",
|
|
isAdmin: !!client?.isAdmin,
|
|
});
|
|
if (client) {
|
|
clientLabel.textContent = `${client.host || client.id} (${client.os || ""})`;
|
|
clientOs = (client.os || "").toLowerCase();
|
|
clientIsAdmin = !!client.isAdmin;
|
|
}
|
|
if (client) {
|
|
populateDisplays(client.monitors, client.monitorInfo);
|
|
applySavedDisplay();
|
|
if (ws && ws.readyState === WebSocket.OPEN) requestEncoderCapabilities();
|
|
}
|
|
if (duplicationCtrl) {
|
|
const os = (client?.os || "").toLowerCase();
|
|
const isWindows = os.includes("windows") || os.includes("win");
|
|
duplicationCtrl.disabled = !isWindows;
|
|
if (!isWindows) {
|
|
duplicationCtrl.checked = false;
|
|
}
|
|
}
|
|
} catch (e) {
|
|
console.warn("failed to fetch client info", e);
|
|
}
|
|
}
|
|
|
|
refreshBtn.addEventListener("click", fetchClientInfo);
|
|
|
|
function updateQualityLabel(val) {
|
|
if (qualityValue) {
|
|
qualityValue.textContent = `${val}%`;
|
|
}
|
|
}
|
|
|
|
function updateSmoothingLabel(val) {
|
|
if (smoothingValue) {
|
|
smoothingValue.textContent = `${val}%`;
|
|
}
|
|
}
|
|
|
|
function pushQuality(val) {
|
|
const q = Number(val) || 90;
|
|
const codec = q >= 100 ? "raw" : (prefersH264 ? "h264" : "jpeg");
|
|
const softwareH264 = codec === "h264" && useSoftwareH264();
|
|
console.debug("rd: pushQuality val=", val, "q=", q, "codec=", codec, "softwareH264=", softwareH264);
|
|
setCodecModeLabel(codec, "requested");
|
|
if (codec === "h264" && !softwareH264) {
|
|
ensureDuplicationForH264();
|
|
}
|
|
sendCmd("desktop_set_quality", { quality: q, codec, softwareH264 });
|
|
}
|
|
|
|
function useSoftwareH264() {
|
|
return !!softwareH264Ctrl?.checked && prefersH264;
|
|
}
|
|
|
|
function ensureDuplicationForH264() {
|
|
if (!duplicationCtrl || duplicationCtrl.disabled) return;
|
|
const isWindows = clientOs.includes("windows") || clientOs.includes("win");
|
|
if (!isWindows || duplicationCtrl.checked) return;
|
|
duplicationCtrl.checked = true;
|
|
sendCmd("desktop_set_duplication", { enabled: true });
|
|
}
|
|
|
|
if (codecH264) {
|
|
codecH264.addEventListener("change", function () {
|
|
resetH264SessionState();
|
|
prefersH264 = !!codecH264.checked && typeof VideoDecoder === "function";
|
|
if (softwareH264Ctrl) {
|
|
softwareH264Ctrl.disabled = !prefersH264;
|
|
}
|
|
if (prefersH264 && !useSoftwareH264()) {
|
|
ensureDuplicationForH264();
|
|
}
|
|
if (!prefersH264) {
|
|
destroyVideoDecoder();
|
|
h264LowFpsStreak = 0;
|
|
}
|
|
if (qualitySlider) {
|
|
pushQuality(qualitySlider.value);
|
|
}
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
if (softwareH264Ctrl) {
|
|
softwareH264Ctrl.addEventListener("change", function () {
|
|
resetH264SessionState();
|
|
if (qualitySlider) {
|
|
pushQuality(qualitySlider.value);
|
|
}
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
function selectedStreamProfile() {
|
|
const [heightValue, fpsValue] = String(streamProfileSelect?.value || "1080:60").split(":");
|
|
const maxHeight = Number.parseInt(heightValue, 10);
|
|
const fps = Number.parseInt(fpsValue, 10);
|
|
return {
|
|
maxHeight: Number.isFinite(maxHeight) ? maxHeight : 1080,
|
|
fps: Number.isFinite(fps) ? Math.max(1, Math.min(240, fps)) : 60,
|
|
};
|
|
}
|
|
|
|
function pushStreamProfile() {
|
|
const profile = selectedStreamProfile();
|
|
console.debug("rd: pushStreamProfile", profile);
|
|
sendCmd("desktop_set_profile", profile);
|
|
}
|
|
|
|
function requestEncoderCapabilities() {
|
|
if (streamProfileDetail) streamProfileDetail.textContent = "Checking hardware encoder profiles…";
|
|
sendCmd("desktop_encoder_capabilities", {
|
|
display: Number.parseInt(displaySelect?.value || "0", 10) || 0,
|
|
});
|
|
}
|
|
|
|
function applyEncoderCapabilities(msg) {
|
|
if (!msg || !Array.isArray(msg.profiles) || !streamProfileSelect) return;
|
|
const selectedDisplay = Number.parseInt(displaySelect?.value || "0", 10) || 0;
|
|
if (Number.isFinite(Number(msg.display)) && Number(msg.display) !== selectedDisplay) return;
|
|
const previous = streamProfileSelect.value;
|
|
streamProfileSelect.innerHTML = "";
|
|
for (const profile of msg.profiles) {
|
|
const maxHeight = Number(profile.maxHeight);
|
|
const fps = Number(profile.fps);
|
|
if (!Number.isFinite(maxHeight) || !Number.isFinite(fps)) continue;
|
|
const option = document.createElement("option");
|
|
option.value = `${maxHeight}:${fps}`;
|
|
option.textContent = String(profile.label || `${fps} FPS - ${Number(profile.height) || maxHeight}p`);
|
|
const providers = Array.isArray(profile.providers) ? profile.providers.join(", ") : "";
|
|
if (providers) {
|
|
option.title = `Available through ${providers}`;
|
|
option.dataset.providers = providers;
|
|
}
|
|
streamProfileSelect.appendChild(option);
|
|
}
|
|
if (!streamProfileSelect.options.length) {
|
|
const option = document.createElement("option");
|
|
option.value = "1080:60";
|
|
option.textContent = "60 FPS - 1080p";
|
|
streamProfileSelect.appendChild(option);
|
|
}
|
|
if (!setSelectValue(streamProfileSelect, savedStreamProfile) &&
|
|
!setSelectValue(streamProfileSelect, previous) &&
|
|
!setSelectValue(streamProfileSelect, "1080:60")) {
|
|
streamProfileSelect.selectedIndex = 0;
|
|
}
|
|
savedStreamProfile = streamProfileSelect.value;
|
|
if (streamProfileDetail) {
|
|
const providers = streamProfileSelect.selectedOptions[0]?.dataset?.providers || "";
|
|
streamProfileDetail.textContent = providers ? `Available through ${providers}.` :
|
|
(msg.detail || (msg.probed ? "Profiles tested on this display adapter." : "Safe fallback profiles shown."));
|
|
}
|
|
if (desiredStreaming) pushStreamProfile();
|
|
}
|
|
|
|
if (streamProfileSelect) {
|
|
streamProfileSelect.addEventListener("change", function () {
|
|
savedStreamProfile = streamProfileSelect.value;
|
|
const providers = streamProfileSelect.selectedOptions[0]?.dataset?.providers || "";
|
|
if (streamProfileDetail && providers) streamProfileDetail.textContent = `Available through ${providers}.`;
|
|
pushStreamProfile();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
displaySelect.addEventListener("change", function () {
|
|
console.debug("rd: select display", displaySelect.value);
|
|
sendCmd("desktop_select_display", {
|
|
display: parseInt(displaySelect.value, 10),
|
|
});
|
|
requestEncoderCapabilities();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
|
|
if (webrtcMode) {
|
|
webrtcMode.addEventListener("change", function () {
|
|
updateControls();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
function needsWebrtcFirewallWarning(mode) {
|
|
if (firewallWarningAcked) return false;
|
|
if (mode !== "relayed" && mode !== "p2p") return false;
|
|
const isWindows = clientOs.includes("windows") || clientOs.includes("win");
|
|
return isWindows && !clientIsAdmin;
|
|
}
|
|
|
|
startBtn.addEventListener("click", function () {
|
|
const mode = getWebrtcMode();
|
|
rdDebug("start click", {
|
|
mode,
|
|
wsReadyState: ws.readyState,
|
|
streamState,
|
|
desiredStreaming,
|
|
display: displaySelect?.value ?? "",
|
|
quality: qualitySlider?.value ?? "",
|
|
streamProfile: streamProfileSelect?.value ?? "",
|
|
prefersH264,
|
|
duplication: !!duplicationCtrl?.checked,
|
|
clientOs,
|
|
clientIsAdmin,
|
|
});
|
|
if (needsWebrtcFirewallWarning(mode)) {
|
|
if (!confirm("This agent is not elevated. Starting WebRTC will trigger a Windows Defender Firewall prompt on the target machine.\n\nContinue?")) {
|
|
return;
|
|
}
|
|
firewallWarningAcked = true;
|
|
}
|
|
if (displaySelect && displaySelect.value !== undefined) {
|
|
sendCmd("desktop_select_display", {
|
|
display: parseInt(displaySelect.value, 10) || 0,
|
|
});
|
|
}
|
|
if (qualitySlider) {
|
|
pushQuality(qualitySlider.value);
|
|
}
|
|
if (prefersH264 && !useSoftwareH264()) {
|
|
ensureDuplicationForH264();
|
|
}
|
|
pushStreamProfile();
|
|
desiredStreaming = true;
|
|
lastFrameAt = 0;
|
|
firstFrameLogged = false;
|
|
resetH264SessionState();
|
|
setStreamState("starting", "Starting stream");
|
|
if (mode === "relayed") {
|
|
// Server replies with `webrtc_ready { whepPath }`; startWhep happens then.
|
|
sendCmd("desktop_start", { webrtc: true });
|
|
} else if (mode === "p2p") {
|
|
// Kick off the P2P offer asynchronously; capture starts in parallel.
|
|
sendCmd("desktop_start", {});
|
|
startP2P();
|
|
} else {
|
|
sendCmd("desktop_start", {});
|
|
}
|
|
if (audioCtrl && audioCtrl.checked) {
|
|
connectAudio();
|
|
}
|
|
});
|
|
stopBtn.addEventListener("click", function () {
|
|
if (isRecording()) stopRecording();
|
|
desiredStreaming = false;
|
|
lastFrameAt = 0;
|
|
setStreamState("stopping", "Stopping stream");
|
|
disablePrivacyIfActive();
|
|
sendCmd("desktop_stop", {});
|
|
disconnectAudio();
|
|
stopAllWebrtc();
|
|
setStreamState("idle", "Stopped");
|
|
});
|
|
if (recordBtn) {
|
|
recordBtn.addEventListener("click", function () {
|
|
if (isRecording()) stopRecording();
|
|
else startRecording();
|
|
});
|
|
}
|
|
if (recordMode) {
|
|
recordMode.addEventListener("change", function () {
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
if (recordFps) {
|
|
recordFps.addEventListener("change", function () {
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
fullscreenBtn.addEventListener("click", function () {
|
|
if (canvasContainer.requestFullscreen) {
|
|
canvasContainer.requestFullscreen();
|
|
} else if (canvasContainer.webkitRequestFullscreen) {
|
|
canvasContainer.webkitRequestFullscreen();
|
|
} else if (canvasContainer.mozRequestFullScreen) {
|
|
canvasContainer.mozRequestFullScreen();
|
|
}
|
|
});
|
|
function pushInputToggles() {
|
|
if (mouseCtrl) {
|
|
sendCmd("desktop_enable_mouse", { enabled: !!mouseCtrl.checked });
|
|
}
|
|
if (kbdCtrl) {
|
|
sendCmd("desktop_enable_keyboard", { enabled: !!kbdCtrl.checked });
|
|
}
|
|
}
|
|
|
|
function pushCaptureToggles() {
|
|
if (cursorCtrl) {
|
|
sendCmd("desktop_enable_cursor", { enabled: cursorCtrl.checked });
|
|
}
|
|
if (duplicationCtrl && !duplicationCtrl.disabled) {
|
|
sendCmd("desktop_set_duplication", { enabled: !!duplicationCtrl.checked });
|
|
}
|
|
}
|
|
|
|
function pushPrivacyToggle() {
|
|
if (!privacyCtrl) return;
|
|
sendCmd(privacyCtrl.checked ? "privacy_start" : "privacy_stop", {});
|
|
}
|
|
|
|
function disablePrivacyIfActive() {
|
|
if (privacyCtrl && privacyCtrl.checked) {
|
|
privacyCtrl.checked = false;
|
|
sendCmd("privacy_stop", {});
|
|
}
|
|
}
|
|
|
|
mouseCtrl.addEventListener("change", function () {
|
|
pushInputToggles();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
const kbdCapture = createKeyboardCapture({
|
|
container: canvas,
|
|
sendKeyDown: (e) => sendCmd("key_down", { key: e.key, code: e.code }),
|
|
sendKeyUp: (e) => sendCmd("key_up", { key: e.key, code: e.code }),
|
|
onTextInput: (e) => sendCmd("text_input", { text: e.key }),
|
|
});
|
|
kbdCtrl.addEventListener("change", function () {
|
|
if (kbdCtrl.checked) kbdCapture.enable();
|
|
else kbdCapture.disable();
|
|
pushInputToggles();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
if (kbdCtrl.checked) kbdCapture.enable();
|
|
document.addEventListener("fullscreenchange", function () {
|
|
if (document.fullscreenElement === canvasContainer && kbdCtrl && !kbdCtrl.checked) {
|
|
kbdCtrl.checked = true;
|
|
kbdCtrl.dispatchEvent(new Event("change"));
|
|
}
|
|
});
|
|
cursorCtrl.addEventListener("change", function () {
|
|
pushCaptureToggles();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
if (duplicationCtrl) {
|
|
duplicationCtrl.addEventListener("change", function () {
|
|
pushCaptureToggles();
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
if (audioCtrl) {
|
|
audioCtrl.addEventListener("change", function () {
|
|
if (audioCtrl.checked) {
|
|
connectAudio();
|
|
} else {
|
|
disconnectAudio();
|
|
}
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
if (audioTransport) {
|
|
audioTransport.addEventListener("change", function () {
|
|
// Reconnect with the new transport if audio is already on. Keep the
|
|
// checkbox checked — the user is switching modes, not turning audio off.
|
|
if (audioCtrl && audioCtrl.checked) {
|
|
disconnectAudio(false);
|
|
connectAudio();
|
|
}
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
if (qualitySlider) {
|
|
updateQualityLabel(qualitySlider.value);
|
|
qualitySlider.addEventListener("input", function () {
|
|
updateQualityLabel(qualitySlider.value);
|
|
pushQuality(qualitySlider.value);
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
if (smoothingSlider) {
|
|
updateSmoothingLabel(smoothingSlider.value);
|
|
smoothingSlider.addEventListener("input", function () {
|
|
smoothingPct = Number(smoothingSlider.value) || 0;
|
|
updateSmoothingLabel(smoothingSlider.value);
|
|
sharedSettingsSaver.scheduleSave();
|
|
});
|
|
}
|
|
|
|
function isFramePacket(buf) {
|
|
return buf.length >= 8 && buf[0] === 0x46 && buf[1] === 0x52 && buf[2] === 0x4d;
|
|
}
|
|
|
|
function markFrameReceived() {
|
|
lastFrameAt = performance.now();
|
|
clearOfflineTimer();
|
|
if (!firstFrameLogged) {
|
|
firstFrameLogged = true;
|
|
rdDebug("first frame received", {
|
|
streamState,
|
|
desiredStreaming,
|
|
canvas: { width: canvas.width, height: canvas.height },
|
|
transport: getWebrtcMode(),
|
|
});
|
|
}
|
|
if (streamState !== "streaming" && desiredStreaming) {
|
|
setStreamState("streaming", "Streaming");
|
|
}
|
|
}
|
|
|
|
function drawJpegFallback(blob, target) {
|
|
return new Promise((resolve) => {
|
|
const img = new Image();
|
|
const url = URL.createObjectURL(blob);
|
|
img.onload = function () {
|
|
if (target) {
|
|
ctx.drawImage(img, target.x, target.y, target.w, target.h);
|
|
} else {
|
|
frameWidth = img.width || frameWidth;
|
|
frameHeight = img.height || frameHeight;
|
|
canvas.width = img.width;
|
|
canvas.height = img.height;
|
|
ctx.drawImage(img, 0, 0);
|
|
}
|
|
URL.revokeObjectURL(url);
|
|
resolve(true);
|
|
};
|
|
img.onerror = function () {
|
|
URL.revokeObjectURL(url);
|
|
resolve(false);
|
|
};
|
|
img.src = url;
|
|
});
|
|
}
|
|
|
|
async function drawJpegSlice(slice, target) {
|
|
const blob = new Blob([slice], { type: "image/jpeg" });
|
|
try {
|
|
const bitmap = await createImageBitmap(blob);
|
|
if (target) {
|
|
ctx.drawImage(bitmap, target.x, target.y, target.w, target.h);
|
|
} else {
|
|
frameWidth = bitmap.width || frameWidth;
|
|
frameHeight = bitmap.height || frameHeight;
|
|
canvas.width = bitmap.width;
|
|
canvas.height = bitmap.height;
|
|
ctx.drawImage(bitmap, 0, 0);
|
|
}
|
|
bitmap.close();
|
|
return true;
|
|
} catch {
|
|
return drawJpegFallback(blob, target);
|
|
}
|
|
}
|
|
|
|
function destroyVideoDecoder() {
|
|
if (!videoDecoder) return;
|
|
try {
|
|
videoDecoder.close();
|
|
} catch {
|
|
// Ignore close errors when decoder is already shutting down.
|
|
}
|
|
videoDecoder = null;
|
|
resetH264RuntimeState();
|
|
}
|
|
|
|
function normalizeFallbackReason(reason) {
|
|
if (!reason) return "unspecified";
|
|
if (typeof reason === "string") return reason;
|
|
if (reason instanceof Error) return reason.message || String(reason);
|
|
if (typeof reason === "object") {
|
|
if (typeof reason.message === "string" && reason.message) {
|
|
return reason.message;
|
|
}
|
|
if (typeof reason.name === "string" && reason.name) {
|
|
return reason.name;
|
|
}
|
|
try {
|
|
return JSON.stringify(reason);
|
|
} catch {
|
|
return String(reason);
|
|
}
|
|
}
|
|
return String(reason);
|
|
}
|
|
|
|
function fallbackToJpegCodec(reason) {
|
|
if (!prefersH264) return;
|
|
const reasonText = normalizeFallbackReason(reason);
|
|
prefersH264 = false;
|
|
destroyVideoDecoder();
|
|
if (codecH264) codecH264.checked = false;
|
|
if (softwareH264Ctrl) softwareH264Ctrl.disabled = true;
|
|
sharedSettingsSaver.scheduleSave();
|
|
console.warn("rd: falling back to jpeg codec", reasonText);
|
|
const q = Number(qualitySlider?.value) || 90;
|
|
setCodecModeLabel("jpeg", "fallback");
|
|
if (ws.readyState === WebSocket.OPEN) {
|
|
sendCmd("desktop_set_quality", {
|
|
quality: q,
|
|
codec: "jpeg",
|
|
source: "viewer_fallback",
|
|
reason: reasonText,
|
|
});
|
|
}
|
|
}
|
|
|
|
function tryRecoverH264Stream(reason = "h264_decode_error") {
|
|
if (!prefersH264 || !activeClientId) return false;
|
|
if (streamState !== "streaming" && streamState !== "stalled" && streamState !== "starting") {
|
|
return false;
|
|
}
|
|
if (ws.readyState !== WebSocket.OPEN) return false;
|
|
if (h264RecoveryAttempts >= H264_MAX_RECOVERY_ATTEMPTS) return false;
|
|
|
|
h264RecoveryAttempts += 1;
|
|
h264KeyframeErrorStreak = 0;
|
|
|
|
console.warn("rd: h264 decode stuck waiting for keyframe; auto-restarting stream once", {
|
|
reason,
|
|
attempt: h264RecoveryAttempts
|
|
});
|
|
|
|
sendCmd("desktop_stop", {
|
|
source: "rd_viewer",
|
|
reason: "h264_recovery_stop",
|
|
});
|
|
|
|
setTimeout(() => {
|
|
if (!prefersH264 || !activeClientId || ws.readyState !== WebSocket.OPEN) {
|
|
return;
|
|
}
|
|
resetH264RuntimeState();
|
|
sendCmd("desktop_start", {
|
|
source: "rd_viewer",
|
|
reason: "h264_recovery_restart",
|
|
});
|
|
const q = Number(qualitySlider?.value) || 90;
|
|
sendCmd("desktop_set_quality", {
|
|
quality: q,
|
|
codec: "h264",
|
|
softwareH264: useSoftwareH264(),
|
|
source: "rd_viewer",
|
|
reason: "h264_recovery_quality_push",
|
|
});
|
|
}, 450);
|
|
|
|
return true;
|
|
}
|
|
|
|
function isKeyframeRequiredError(reason) {
|
|
const text = normalizeFallbackReason(reason).toLowerCase();
|
|
return text.includes("key frame is required") || text.includes("keyframe is required");
|
|
}
|
|
|
|
function isH264KeyFrame(data) {
|
|
for (let i = 0; i + 4 < data.length; i++) {
|
|
let startCodeLen = 0;
|
|
if (data[i] === 0x00 && data[i + 1] === 0x00 && data[i + 2] === 0x01) {
|
|
startCodeLen = 3;
|
|
} else if (
|
|
i + 4 < data.length &&
|
|
data[i] === 0x00 &&
|
|
data[i + 1] === 0x00 &&
|
|
data[i + 2] === 0x00 &&
|
|
data[i + 3] === 0x01
|
|
) {
|
|
startCodeLen = 4;
|
|
}
|
|
if (!startCodeLen) continue;
|
|
const nalIndex = i + startCodeLen;
|
|
if (nalIndex >= data.length) break;
|
|
const nalType = data[nalIndex] & 0x1f;
|
|
if (nalType === 5) {
|
|
return true;
|
|
}
|
|
i = nalIndex;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function ensureVideoDecoder() {
|
|
if (videoDecoder) {
|
|
return true;
|
|
}
|
|
if (typeof VideoDecoder !== "function") {
|
|
return false;
|
|
}
|
|
try {
|
|
videoDecoder = new VideoDecoder({
|
|
output: (frame) => {
|
|
const width = frame.displayWidth || frame.codedWidth || frameWidth;
|
|
const height = frame.displayHeight || frame.codedHeight || frameHeight;
|
|
if (width > 0 && height > 0 && (canvas.width !== width || canvas.height !== height)) {
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
frameWidth = width;
|
|
frameHeight = height;
|
|
}
|
|
try {
|
|
ctx.drawImage(frame, 0, 0, canvas.width, canvas.height);
|
|
} finally {
|
|
frame.close();
|
|
}
|
|
},
|
|
error: (err) => {
|
|
console.warn("rd: h264 decoder error", err);
|
|
},
|
|
});
|
|
videoDecoder.configure({ codec: "avc1.42E01E", optimizeForLatency: true });
|
|
return true;
|
|
} catch (err) {
|
|
console.warn("rd: h264 decoder unavailable", err);
|
|
fallbackToJpegCodec(err);
|
|
destroyVideoDecoder();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
async function processFrameBuffer(buf) {
|
|
const fps = buf[5];
|
|
const format = buf[6];
|
|
|
|
if (format === 1) {
|
|
const jpegBytes = buf.slice(8);
|
|
setCodecModeLabel("jpeg", "active");
|
|
await drawJpegSlice(jpegBytes, null);
|
|
updateFpsDisplay(fps);
|
|
return;
|
|
}
|
|
|
|
if (format === 2 || format === 3) {
|
|
setCodecModeLabel(format === 3 ? "raw" : "jpeg", format === 3 ? "blocks" : "blocks");
|
|
if (buf.length < 16) return;
|
|
const dv = new DataView(buf.buffer, 8);
|
|
let pos = 0;
|
|
const width = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
const height = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
if (width > 0 && height > 0) {
|
|
frameWidth = width;
|
|
frameHeight = height;
|
|
}
|
|
const blockCount = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
pos += 2;
|
|
|
|
if (
|
|
width > 0 &&
|
|
height > 0 &&
|
|
(canvas.width !== width || canvas.height !== height)
|
|
) {
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
}
|
|
|
|
for (let i = 0; i < blockCount; i++) {
|
|
if (pos + 12 > dv.byteLength) break;
|
|
const x = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
const y = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
const w = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
const h = dv.getUint16(pos, true);
|
|
pos += 2;
|
|
const len = dv.getUint32(pos, true);
|
|
pos += 4;
|
|
const start = 8 + pos;
|
|
const end = start + len;
|
|
if (end > buf.length) break;
|
|
const slice = buf.subarray(start, end);
|
|
pos += len;
|
|
|
|
if (format === 2) {
|
|
await drawJpegSlice(slice, { x, y, w, h });
|
|
} else if (slice.length === w * h * 4) {
|
|
const imgData = new ImageData(new Uint8ClampedArray(slice), w, h);
|
|
ctx.putImageData(imgData, x, y);
|
|
}
|
|
}
|
|
|
|
updateFpsDisplay(fps);
|
|
return;
|
|
}
|
|
|
|
if (format === 4) {
|
|
setCodecModeLabel("h264", "active");
|
|
const h264Bytes = buf.slice(8);
|
|
if (!h264Bytes.length) return;
|
|
if (!ensureVideoDecoder()) {
|
|
fallbackToJpegCodec("WebCodecs decoder unavailable");
|
|
return;
|
|
}
|
|
|
|
if (!h264FirstFrameAt) {
|
|
h264FirstFrameAt = performance.now();
|
|
}
|
|
h264FramesSeen += 1;
|
|
|
|
const isKey = isH264KeyFrame(h264Bytes);
|
|
|
|
// If software H264 encode on the agent cannot keep up, automatically
|
|
// fall back to JPEG blocks for a smoother interactive stream.
|
|
const h264ElapsedMs = performance.now() - h264FirstFrameAt;
|
|
if ((fps || 0) <= H264_LOW_FPS_THRESHOLD) {
|
|
h264LowFpsStreak += 1;
|
|
} else {
|
|
h264LowFpsStreak = 0;
|
|
}
|
|
if (
|
|
h264ElapsedMs >= H264_FALLBACK_WARMUP_MS &&
|
|
h264FramesSeen >= H264_MIN_FRAMES_BEFORE_FALLBACK &&
|
|
h264LowFpsStreak >= H264_LOW_FPS_STREAK_LIMIT
|
|
) {
|
|
fallbackToJpegCodec(`low h264 fps (${fps})`);
|
|
return;
|
|
}
|
|
|
|
const frameIntervalUs = Math.floor(1_000_000 / Math.max(1, fps || 25));
|
|
const chunk = new EncodedVideoChunk({
|
|
type: isKey ? "key" : "delta",
|
|
timestamp: h264TimestampUs,
|
|
data: h264Bytes,
|
|
});
|
|
h264TimestampUs += frameIntervalUs;
|
|
try {
|
|
videoDecoder.decode(chunk);
|
|
h264KeyframeErrorStreak = 0;
|
|
updateFpsDisplay(fps);
|
|
} catch (err) {
|
|
if (isKeyframeRequiredError(err)) {
|
|
h264KeyframeErrorStreak += 1;
|
|
const now = Date.now();
|
|
if (now - h264LastDecodeWarnAt >= H264_DECODE_WARN_THROTTLE_MS) {
|
|
h264LastDecodeWarnAt = now;
|
|
console.warn("rd: h264 decode waiting for keyframe", {
|
|
streak: h264KeyframeErrorStreak,
|
|
recoveries: h264RecoveryAttempts,
|
|
});
|
|
}
|
|
if (h264KeyframeErrorStreak >= H264_KEYFRAME_ERROR_RESTART_THRESHOLD) {
|
|
const restarted = tryRecoverH264Stream("h264_keyframe_required");
|
|
if (!restarted) {
|
|
fallbackToJpegCodec("h264_keyframe_required_loop");
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
console.warn("rd: h264 decode failed", err);
|
|
fallbackToJpegCodec(err);
|
|
}
|
|
}
|
|
}
|
|
|
|
function flushPendingFrame() {
|
|
if (frameDecodeBusy || !pendingFrame) {
|
|
return;
|
|
}
|
|
const next = pendingFrame;
|
|
pendingFrame = null;
|
|
frameDecodeBusy = true;
|
|
processFrameBuffer(next).finally(() => {
|
|
frameDecodeBusy = false;
|
|
if (pendingFrame) {
|
|
flushPendingFrame();
|
|
}
|
|
});
|
|
}
|
|
|
|
function onWsMessage(ev) {
|
|
if (ev.data instanceof ArrayBuffer) {
|
|
const buf = new Uint8Array(ev.data);
|
|
if (isFramePacket(buf)) {
|
|
markFrameReceived();
|
|
// Coalesce bursty arrivals so the renderer catches up to the newest frame.
|
|
pendingFrame = buf;
|
|
flushPendingFrame();
|
|
return;
|
|
}
|
|
|
|
const msg = decodeMsgpack(buf);
|
|
if (msg && msg.type === "desktop_encoder_capabilities") {
|
|
applyEncoderCapabilities(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "status" && msg.status) {
|
|
handleStatus(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "webrtc_ready" && typeof msg.whepPath === "string") {
|
|
startWhep(msg.whepPath);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "webrtc_p2p_answer" && typeof msg.sdp === "string") {
|
|
if (p2pClient) p2pClient.onAnswer(msg.sdp);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "webrtc_p2p_ice") {
|
|
if (p2pClient) p2pClient.onRemoteCandidate(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "input_latency") {
|
|
updateLatency(Number(msg.ms) || 0);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "recording_status") {
|
|
handleRecordingStatus(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "clipboard_content") {
|
|
if (clipboardSyncCtrl && clipboardSyncCtrl.checked && streamState === "streaming" && msg.text) {
|
|
lastClipboardText = msg.text;
|
|
navigator.clipboard.writeText(msg.text).catch(() => {});
|
|
}
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
const msg = decodeMsgpack(ev.data);
|
|
if (msg && msg.type === "desktop_encoder_capabilities") {
|
|
applyEncoderCapabilities(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "status" && msg.status) {
|
|
handleStatus(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "input_latency") {
|
|
updateLatency(Number(msg.ms) || 0);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "recording_status") {
|
|
handleRecordingStatus(msg);
|
|
return;
|
|
}
|
|
if (msg && msg.type === "clipboard_content") {
|
|
if (clipboardSyncCtrl && clipboardSyncCtrl.checked && streamState === "streaming" && msg.text) {
|
|
lastClipboardText = msg.text;
|
|
navigator.clipboard.writeText(msg.text).catch(() => {});
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
function onWsOpen() {
|
|
reconnectDelay = 1000;
|
|
rdDebug("ws open", {
|
|
url: ws.url,
|
|
readyState: ws.readyState,
|
|
clientId,
|
|
});
|
|
if (qualitySlider) {
|
|
pushQuality(qualitySlider.value);
|
|
}
|
|
pushInputToggles();
|
|
pushCaptureToggles();
|
|
clearOfflineTimer();
|
|
if (desiredStreaming) {
|
|
setStreamState("starting", "Resuming stream");
|
|
if (displaySelect && displaySelect.value !== undefined) {
|
|
sendCmd("desktop_select_display", {
|
|
display: parseInt(displaySelect.value, 10) || 0,
|
|
});
|
|
}
|
|
pushStreamProfile();
|
|
const mode = getWebrtcMode();
|
|
if (mode === "relayed") {
|
|
sendCmd("desktop_start", { webrtc: true });
|
|
} else if (mode === "p2p") {
|
|
sendCmd("desktop_start", {});
|
|
startP2P();
|
|
} else {
|
|
sendCmd("desktop_start", {});
|
|
}
|
|
} else {
|
|
setStreamState("idle", "Stopped");
|
|
}
|
|
sendCmd("desktop_record_status", {});
|
|
requestEncoderCapabilities();
|
|
fetchClientInfo().then(() => {
|
|
if (displaySelect && displaySelect.value) {
|
|
console.debug("rd: initial select display", displaySelect.value);
|
|
sendCmd("desktop_select_display", {
|
|
display: parseInt(displaySelect.value, 10),
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
function onWsClose(event) {
|
|
rdDebug("ws close", {
|
|
code: event.code,
|
|
reason: event.reason,
|
|
wasClean: event.wasClean,
|
|
streamState,
|
|
desiredStreaming,
|
|
});
|
|
disconnectAudio();
|
|
destroyVideoDecoder();
|
|
stopAllWebrtc();
|
|
if (desiredStreaming) {
|
|
setStreamState("connecting", "Reconnecting");
|
|
scheduleReconnect();
|
|
} else {
|
|
clearRecordingTimer();
|
|
serverRecording = null;
|
|
setRecordingUi(false);
|
|
setStreamState("disconnected", "Disconnected");
|
|
}
|
|
}
|
|
|
|
function onWsError(event) {
|
|
console.warn("rd: ws error", event);
|
|
destroyVideoDecoder();
|
|
stopAllWebrtc();
|
|
setStreamState("error", "WebSocket error");
|
|
}
|
|
|
|
connectWs();
|
|
|
|
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 && 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({ preventScroll: true });
|
|
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.addEventListener("wheel", function (e) {
|
|
if (!mouseCtrl.checked) return;
|
|
const pt = getCanvasPoint(e);
|
|
if (!pt) return;
|
|
const delta = Math.max(-120, Math.min(120, Math.round(-e.deltaY)));
|
|
sendCmd("mouse_wheel", { delta, x: pt.x, y: pt.y });
|
|
e.preventDefault();
|
|
}, { passive: false });
|
|
|
|
canvas.setAttribute("tabindex", "0");
|
|
canvas.addEventListener("click", function () {
|
|
canvas.focus({ preventScroll: true });
|
|
});
|
|
|
|
function stopOnExit() {
|
|
sharedSettingsSaver.saveNow();
|
|
if (isRecording()) stopRecording();
|
|
disablePrivacyIfActive();
|
|
if (ws && ws.readyState === WebSocket.OPEN && desiredStreaming) {
|
|
desiredStreaming = false;
|
|
sendCmd("desktop_stop", {});
|
|
}
|
|
disconnectAudio();
|
|
destroyVideoDecoder();
|
|
}
|
|
|
|
window.addEventListener("beforeunload", stopOnExit);
|
|
window.addEventListener("pagehide", stopOnExit);
|
|
|
|
fetchClientInfo();
|
|
})();
|