remove old audio stuff and turn up mic

pi/bin/audio-capture.sh

@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-FIFO="${AUDIO_FIFO:-/var/lib/roverd/audio.pcm}"
-DEVICE="${AUDIO_DEVICE:-hw:0,0}"
-RATE="${AUDIO_RATE:-48000}"
-CHANNELS="${AUDIO_CHANNELS:-2}"
-FORMAT="${AUDIO_FORMAT:-S32_LE}"
-
-prepare_fifo() {
-	install -o roverd -g audio -m 0660 /dev/null "$FIFO" 2>/dev/null || true
-	if [[ ! -p "$FIFO" ]]; then
-		rm -f "$FIFO"
-		mkfifo "$FIFO"
-		chown roverd:audio "$FIFO"
-		chmod 0660 "$FIFO"
-	fi
-}
-
-prepare_fifo
-
-exec arecord -D "$DEVICE" -f "$FORMAT" -c "$CHANNELS" -r "$RATE" -q -t raw "$FIFO"

pi/bin/audio-only-publisher.sh

@@ -42,7 +42,7 @@ run_pipeline() {
 		-ar "${AUDIO_RATE}" \
 		-ac "${AUDIO_CHANNELS}" \
 		-i <(arecord -D "${AUDIO_DEVICE}" -f S32_LE -c "${AUDIO_CHANNELS}" -r "${AUDIO_RATE}" -B 65536 -F 2048 -q -t raw) \
-		-af "aresample=16000,pan=mono|c0=0.5*FL+0.5*FR" \
+		-af "aresample=16000,pan=mono|c0=0.5*FL+0.5*FR,volume=10dB" \
 		-c:a libopus \
 		-b:a 24000 \
 		-ar:a 16000 \

pi/install_roverd.sh

@@ -210,10 +210,6 @@ log "Installed video-publisher systemd unit"
 install -D -o root -g root -m 0755 pi/bin/audio-only-publisher.sh /usr/local/bin/audio-only-publisher
 install -m 0644 pi/systemd/audio-only-publisher.service /etc/systemd/system/audio-only-publisher.service
 log "Installed audio-only publisher helper + systemd unit"
-# Install audio capture assets (arecord -> FIFO) [optional, not enabled by default]
-install -D -o root -g root -m 0755 pi/bin/audio-capture.sh /usr/local/bin/audio-capture
-install -m 0644 pi/systemd/audio-capture.service /etc/systemd/system/audio-capture.service
-log "Installed audio-capture helper + systemd unit"
 install -d -o roverd -g roverd /var/lib/roverd
 cat > /var/lib/roverd/video.env <<'ENV'
 # Managed by roverd; placeholder values will be overwritten at runtime.

pi/systemd/audio-capture.service

@@ -1,19 +0,0 @@
-[Unit]
-Description=Rover Audio Capture (arecord to FIFO)
-After=network.target
-
-[Service]
-Type=simple
-User=roverd
-Group=audio
-Environment=AUDIO_FIFO=/var/lib/roverd/audio.pcm
-Environment=AUDIO_DEVICE=hw:0,0
-Environment=AUDIO_FORMAT=S32_LE
-Environment=AUDIO_RATE=48000
-Environment=AUDIO_CHANNELS=2
-ExecStart=/usr/local/bin/audio-capture
-Restart=always
-RestartSec=2
-
-[Install]
-WantedBy=multi-user.target