mirror of
https://github.com/legop3/MultiRoombaRover.git
synced 2026-11-14 18:58:49 -05:00
100 lines
3.6 KiB
JavaScript
100 lines
3.6 KiB
JavaScript
// MediaMTX Config Builder
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// Purpose: Converts the rover server's media settings into the complete MediaMTX runtime configuration.
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// Scope: Keeps deployment-specific hosts in the configuration database while protocol policy remains application-owned.
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const path = require('path');
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function normalizeAdditionalHosts(rawHosts) {
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if (rawHosts == null) return [];
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if (!Array.isArray(rawHosts)) {
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throw new Error('media.additionalHosts must be a list');
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}
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/*
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MediaMTX accepts both IP addresses and DNS names here. Preserve that flexibility because
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an installation can need a public candidate and a LAN candidate at the same time. Empty
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entries and duplicates are removed so a harmless config typo does not create redundant
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ICE candidates, while the values themselves remain entirely instance-owned.
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*/
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return [...new Set(rawHosts.map((value) => String(value || '').trim()).filter(Boolean))];
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}
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function buildMediaMtxConfig({ config, serverPort, snapshotWriterPath }) {
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const media = config?.media || {};
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const webrtcPort = media.webrtcPort ?? 8189;
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const configuredHosts = normalizeAdditionalHosts(media.additionalHosts);
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let publicHostname = '';
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try {
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publicHostname = new URL(config?.publicUrl).hostname;
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} catch {
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// The assembled configuration schema normally prevents this. Keeping the
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// builder tolerant makes its pure tests and startup error path explicit.
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}
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// The canonical public hostname is always advertised once. Operators only
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// maintain genuinely additional LAN names, aliases, or fixed IP addresses.
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const additionalHosts = [...new Set([publicHostname, ...configuredHosts].filter(Boolean))];
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const authPort = Number(serverPort) || 8080;
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return {
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logLevel: 'info',
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api: true,
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apiAddress: '127.0.0.1:9997',
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metrics: true,
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metricsAddress: '127.0.0.1:9998',
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pprof: false,
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pprofAddress: '127.0.0.1:9999',
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/*
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Rover publishers and readers always request TCP explicitly. Declaring only TCP here
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also prevents MediaMTX from opening the separate RTP/RTCP UDP listeners, which are not
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useful for this local-network deployment and performed poorly in the measured tests.
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*/
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rtsp: true,
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rtspAddress: ':8554',
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rtspTransports: ['tcp'],
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rtmp: false,
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hls: false,
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webrtc: true,
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// WHEP and WHIP signaling is public only through the Node /video proxy.
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// The configured ICE transport port remains directly reachable by browsers.
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webrtcAddress: '127.0.0.1:8889',
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webrtcLocalUDPAddress: `:${webrtcPort}`,
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webrtcLocalTCPAddress: `:${webrtcPort}`,
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webrtcAdditionalHosts: additionalHosts,
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webrtcICEServers2: [
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{ url: 'stun:stun.l.google.com:19302' },
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{ url: 'stun:stun1.l.google.com:19302' },
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{ url: 'stun:stun2.l.google.com:19302' },
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{ url: 'stun:stun3.l.google.com:19302' },
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{ url: 'stun:stun4.l.google.com:19302' },
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{ url: 'stun:stun.cloudflare.com:3478' },
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],
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// Every publisher and server-local reader uses RTSP over TCP. Disable SRT
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// completely so MediaMTX cannot reintroduce the GoSRT/libSRT ACKACK mismatch.
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srt: false,
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authMethod: 'http',
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authHTTPAddress: `http://127.0.0.1:${authPort}/mediamtx/auth`,
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authHTTPExclude: [
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{ action: 'api' },
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{ action: 'metrics' },
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{ action: 'pprof' },
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],
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paths: {
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'~^room-audio/': { source: 'publisher' },
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all: {
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source: 'publisher',
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sourceOnDemand: false,
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runOnReady: path.resolve(snapshotWriterPath),
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runOnReadyRestart: true,
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},
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},
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};
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}
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module.exports = {
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buildMediaMtxConfig,
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normalizeAdditionalHosts,
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};
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