141 lines
3.7 KiB
JavaScript
141 lines
3.7 KiB
JavaScript
const { Client, DefaultMediaReceiver } = require('castv2-client');
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const readline = require('readline');
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const rl = readline.createInterface({
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input: process.stdin,
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terminal: false
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});
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let activeClient = null;
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let activePlayer = null;
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function log(msg) {
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console.log(JSON.stringify({ type: 'log', message: msg }));
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}
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function error(msg) {
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console.error(JSON.stringify({ type: 'error', message: msg }));
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}
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rl.on('line', (line) => {
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try {
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const data = JSON.parse(line);
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const { command, args } = data;
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switch (command) {
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case 'play':
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play(args.ip, args.url);
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break;
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case 'stop':
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stop();
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break;
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case 'volume':
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setVolume(args.level);
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break;
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default:
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error(`Unknown command: ${command}`);
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}
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} catch (e) {
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error(`Failed to parse line: ${e.message}`);
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}
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});
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function play(ip, url) {
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if (activeClient) {
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try { activeClient.close(); } catch (e) { }
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}
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activeClient = new Client();
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activeClient.connect(ip, () => {
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log(`Connected to ${ip}`);
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// First, check if DefaultMediaReceiver is already running
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activeClient.getSessions((err, sessions) => {
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if (err) return error(`GetSessions error: ${err.message}`);
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// DefaultMediaReceiver App ID is CC1AD845
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const session = sessions.find(s => s.appId === 'CC1AD845');
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if (session) {
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log('Session already running, joining...');
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activeClient.join(session, DefaultMediaReceiver, (err, player) => {
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if (err) {
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log('Join failed, attempting launch...');
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launchPlayer(url);
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} else {
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activePlayer = player;
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loadMedia(url);
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}
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});
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} else {
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launchPlayer(url);
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}
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});
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});
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activeClient.on('error', (err) => {
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error(`Client error: ${err.message}`);
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try { activeClient.close(); } catch (e) { }
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activeClient = null;
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activePlayer = null;
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});
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}
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function launchPlayer(url) {
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if (!activeClient) return;
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activeClient.launch(DefaultMediaReceiver, (err, player) => {
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if (err) {
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// If launch fails with NOT_ALLOWED, it sometimes means we MUST join or something else is occupying it
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return error(`Launch error: ${err.message}`);
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}
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activePlayer = player;
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loadMedia(url);
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});
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}
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function loadMedia(url) {
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if (!activePlayer) return;
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const media = {
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contentId: url,
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contentType: 'audio/mp3',
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streamType: 'LIVE'
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};
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activePlayer.load(media, { autoplay: true }, (err, status) => {
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if (err) return error(`Load error: ${err.message}`);
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log('Media loaded, playing...');
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});
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activePlayer.on('status', (status) => {
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// Optional: track status
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});
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}
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function stop() {
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if (activePlayer) {
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try { activePlayer.stop(); } catch (e) { }
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log('Stopped playback');
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}
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if (activeClient) {
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try { activeClient.close(); } catch (e) { }
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activeClient = null;
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activePlayer = null;
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}
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}
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function setVolume(level) {
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if (activeClient && activePlayer) {
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activeClient.setVolume({ level }, (err, status) => {
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if (err) return error(`Volume error: ${err.message}`);
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log(`Volume set to ${level}`);
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});
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} else {
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log('Volume command ignored: Player not initialized');
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}
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}
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log('Sidecar initialized and waiting for commands');
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