remove everything related to rover mic while keeping tts

pi/bin/video-publisher.sh

@@ -38,6 +38,9 @@ else
 	AUDIO_RATE=8000
 	AUDIO_BITRATE=64000
 fi
+
+# Disable audio streaming for now; only video will be published.
+AUDIO_ENABLE=0
 # Flip the camera 180deg (supported by rpicam-vid/libcamera-vid)
 FLIP_ARGS=(--rotation 180)
 

pi/install_roverd.sh

@@ -205,10 +205,7 @@ VIDEO_HEIGHT=720
 VIDEO_FPS=30
 VIDEO_BITRATE=3000000
 AUDIO_ENABLE=1
-AUDIO_DEVICE=plughw:0,0
+AUDIO_ENABLE=0
-AUDIO_RATE=48000
-AUDIO_CHANNELS=1
-AUDIO_BITRATE=24000
 ENV
 chown roverd:roverd /var/lib/roverd/video.env
 chmod 0640 /var/lib/roverd/video.env

pi/roverd/config.go

@@ -141,7 +141,7 @@ func LoadConfig(path string) (*Config, error) {
 			NudgeDegrees: 2,
 		},
 		Audio: AudioConfig{
-			CaptureEnabled: true,
+			CaptureEnabled: false,
 			CaptureDevice:  "plughw:0,0",
 			SampleRate:     48000,
 			Channels:       1,

pi/roverd/media_env.go

@@ -25,11 +25,8 @@ func UpdatePublisherEnv(media MediaConfig, audio AudioConfig) error {
 	fmt.Fprintf(&buf, "VIDEO_HEIGHT=%d\n", media.VideoHeight)
 	fmt.Fprintf(&buf, "VIDEO_FPS=%d\n", media.VideoFPS)
 	fmt.Fprintf(&buf, "VIDEO_BITRATE=%d\n", media.VideoBitrate)
-	fmt.Fprintf(&buf, "AUDIO_ENABLE=%d\n", boolToInt(audio.CaptureEnabled))
+	// Disable mic streaming; audio is handled locally for TTS only.
-	fmt.Fprintf(&buf, "AUDIO_DEVICE=%s\n", audio.CaptureDevice)
+	fmt.Fprintf(&buf, "AUDIO_ENABLE=0\n")
-	fmt.Fprintf(&buf, "AUDIO_RATE=%d\n", audio.SampleRate)
-	fmt.Fprintf(&buf, "AUDIO_CHANNELS=%d\n", audio.Channels)
-	fmt.Fprintf(&buf, "AUDIO_BITRATE=%d\n", audio.Bitrate)
 	if err := os.WriteFile(publisherEnvPath, buf.Bytes(), 0o640); err != nil {
 		return err
 	}

pi/roverd/roverd.sample.yaml

@@ -38,7 +38,7 @@ cameraServo:
   nudgeDegrees: 2
   allowRawPulse: false
 audio:
-  captureEnabled: true
+  captureEnabled: false
   captureDevice: plughw:0,0
   sampleRate: 48000
   channels: 1

server/config.example.yaml

@@ -12,8 +12,6 @@ media:
   #   http://<base>/<roverId>/whep
   # Example: http://192.168.0.86:8889/video
   whepBaseUrl: "http://192.168.0.86:8889/video"
-  # Set audioBridge to false to disable server-side audio transcoding from <id>-raw -> <id>
-  # audioBridge: true
 
 homeAssistant:
   url: "http://homeassistant.local:8123"

server/index.js

@@ -26,4 +26,3 @@ require('./src/services/sessionService');
 require('./src/services/batteryManager');
 require('./src/services/discordBotService');
 require('./src/services/httpServer');
-require('./src/services/audioBridgeService');

server/src/services/audioBridgeService.js

@@ -1,145 +0,0 @@
-const { spawn } = require('child_process');
-const logger = require('../globals/logger').child('audioBridge');
-const { loadConfig } = require('../helpers/configLoader');
-
-const config = loadConfig();
-
-const MEDIAMTX_API =
-  process.env.MEDIAMTX_API || 'http://127.0.0.1:9997/v3/paths/list';
-const SRT_HOST = process.env.MEDIAMTX_SRT_HOST || '127.0.0.1';
-const POLL_MS = 5000;
-
-// Track active ffmpeg bridges keyed by raw path name (e.g., rover-raw).
-const bridges = new Map();
-
-function stopBridge(rawName) {
-  const proc = bridges.get(rawName);
-  if (!proc) return;
-  bridges.delete(rawName);
-  proc.kill('SIGTERM');
-  logger.info('stopped bridge', { rawName });
-}
-
-function startBridge(rawName, baseName) {
-  if (bridges.has(rawName)) return;
-
-  // Use explicit credentials so mediamtx auth will allow the bridge to pull.
-  const inputUrl = `srt://${SRT_HOST}:9000?streamid=#!::r=${rawName},m=request&mode=caller&transtype=live&latency=20&u=bridge&p=bridge`;
-  const outputUrl = `srt://${SRT_HOST}:9000?streamid=#!::r=${baseName},m=publish&mode=caller&transtype=live&pkt_size=1316`;
-
-  const args = [
-    '-hide_banner',
-    '-loglevel',
-    'warning',
-    '-fflags',
-    'nobuffer',
-    '-thread_queue_size',
-    '512',
-    '-i',
-    inputUrl,
-    '-map',
-    '0:v',
-    '-map',
-    '0:a?',
-    '-c:v',
-    'copy',
-    '-c:a',
-    'libopus',
-    '-b:a',
-    '24000',
-    '-ac',
-    '1',
-    '-ar',
-    '16000',
-    '-application',
-    'voip',
-    '-frame_duration',
-    '60',
-    '-af',
-    'pan=1c|c0=c0,volume=12dB',
-    '-flush_packets',
-    '1',
-    '-f',
-    'mpegts',
-    outputUrl,
-  ];
-
-  const proc = spawn('ffmpeg', args, { stdio: ['ignore', 'pipe', 'pipe'] });
-  bridges.set(rawName, proc);
-  logger.info('started bridge', { rawName, baseName });
-
-  proc.stdout.on('data', (data) => {
-    logger.info(data.toString().trim());
-  });
-  proc.stderr.on('data', (data) => {
-    logger.info(data.toString().trim());
-  });
-  proc.on('exit', (code, signal) => {
-    bridges.delete(rawName);
-    logger.info('bridge exited', { rawName, code, signal });
-  });
-}
-
-async function fetchPaths() {
-  try {
-    const res = await fetch(MEDIAMTX_API, { signal: AbortSignal.timeout(3000) });
-    if (!res.ok) {
-      throw new Error(`mediamtx api ${res.status}`);
-    }
-    return res.json();
-  } catch (err) {
-    logger.warn('path fetch failed: %s', err.message);
-    return null;
-  }
-}
-
-function pickRawPairs(items) {
-  const names = new Set(items.map((i) => i.name));
-  return items
-    .filter((i) => i.name.endsWith('-raw'))
-    .map((raw) => {
-      const baseName = raw.name.slice(0, -4);
-      return { rawName: raw.name, baseName };
-    })
-    .filter(({ baseName }) => !names.has(baseName));
-}
-
-async function reconcile() {
-  const data = await fetchPaths();
-  if (!data?.items) {
-    // On failure, stop all bridges so we don't run blind.
-    Array.from(bridges.keys()).forEach(stopBridge);
-    return;
-  }
-
-  const activeRaw = new Set();
-  pickRawPairs(data.items).forEach(({ rawName, baseName }) => {
-    activeRaw.add(rawName);
-    startBridge(rawName, baseName);
-  });
-
-  // Stop bridges whose raw path disappeared.
-  Array.from(bridges.keys()).forEach((rawName) => {
-    if (!activeRaw.has(rawName)) {
-      stopBridge(rawName);
-    }
-  });
-}
-
-function start() {
-  // Only enable when explicit media config allows it, or by default.
-  const enabled = config.media?.audioBridge !== false;
-  if (!enabled) {
-    logger.info('audio bridge disabled by config');
-    return;
-  }
-  logger.info('audio bridge enabled; watching for *-raw streams');
-  reconcile();
-  setInterval(reconcile, POLL_MS);
-}
-
-start();
-
-module.exports = {
-  start,
-};

server/src/services/videoAuthService.js

@@ -71,23 +71,9 @@ function canView(socket) {
 app.post('/mediamtx/auth', (req, res) => {
   const body = req.body || {};
   const path = (body.path || '').replace(/^\//, '');
-  const password = body.pass || body.password || '';
-  const action = body.action || '';
   const sessionId = body.user;
   const streamInfo = extractStreamInfo(path);
 
-  // Allow internal bridge (server-side audio transcode) to pull/push without a websocket session.
-  if (body.user === 'bridge' && password === 'bridge') {
-    return res.status(200).end();
-  }
-  // Also allow localhost reads of *-raw paths for the bridge even if creds are missing.
-  if (
-    streamInfo?.id?.endsWith('-raw') &&
-    (req.ip === '127.0.0.1' || req.ip === '::1')
-  ) {
-    return res.status(200).end();
-  }
-
   logger.info('video auth request', { path: body.path, sessionId, stream: streamInfo });
 
   if (!sessionId || !streamInfo?.id) {