make sure input device is actually 0,0

pi/bin/video-publisher.sh

@@ -23,6 +23,11 @@ AUDIO_DEVICE="${AUDIO_DEVICE:-plughw:0,0}"
 AUDIO_RATE="${AUDIO_RATE:-16000}"
 AUDIO_CHANNELS="${AUDIO_CHANNELS:-1}"
 AUDIO_BITRATE="${AUDIO_BITRATE:-64000}"
+
+# Normalize device if env still says "default"
+if [[ "${AUDIO_DEVICE}" == "default" ]]; then
+	AUDIO_DEVICE="plughw:0,0"
+fi
 # Flip the camera 180deg (supported by rpicam-vid/libcamera-vid)
 FLIP_ARGS=(--rotation 180)
 

pi/roverd/config.go

@@ -142,7 +142,7 @@ func LoadConfig(path string) (*Config, error) {
 		},
 		Audio: AudioConfig{
 			CaptureEnabled: true,
-			CaptureDevice:  "default",
+			CaptureDevice:  "plughw:0,0",
 			SampleRate:     16000,
 			Channels:       1,
 			Bitrate:        64000,

pi/roverd/roverd.sample.yaml

@@ -39,7 +39,7 @@ cameraServo:
   allowRawPulse: false
 audio:
   captureEnabled: true
-  captureDevice: default
+  captureDevice: plughw:0,0
   sampleRate: 16000
   channels: 1
   bitrate: 64000