音频

wpctl status
wpctl set-volume @DEFAULT_AUDIO_SINK@ 1.0
systemctl --user restart wireplumber
aplay -l

# Check ALSA capture devices
arecord -l
dmesg | grep -i "snd\|audio\|asoc"

# Test raw ALSA recording (bypass PipeWire)
arecord -D hw:0,0 -f S16_LE -r 48000 test.wav
aplay test.wav

# Check PipeWire capture nodes
pw-cli ls Node | grep -i source

# Check services
systemctl --user status pipewire pipewire-pulse wireplumber

# Check CPU load
top

# Check PAL media config (expect rate=48000, ch=2, fmt=2)
grep "setDeviceMediaConfig" /var/log/syslog

# Check for underruns
dmesg | grep -i -e underrun -e xrun -e lpass -e audio

# Check PipeWire quantum
pw-metadata -n settings

# Monitor real-time
pw-top

mkdir -p ~/.config/pipewire/pipewire.conf.d
cat > ~/.config/pipewire/pipewire.conf.d/99-custom-buffer.conf << 'EOF'
context.properties = {
    default.clock.quantum = 1024
    default.clock.min-quantum = 1024
}
EOF
systemctl --user restart pipewire wireplumber

ffmpeg -i input.wav -ar 48000 -ac 2 -sample_fmt s16 output.wav

systemctl --user status pipewire pipewire-pulse wireplumber
journalctl --user -u pipewire -u wireplumber -b

# Reset configuration
rm -rf ~/.config/pipewire ~/.config/wireplumber
systemctl --user daemon-reload
systemctl --user restart pipewire pipewire-pulse wireplumber

# Reinstall if needed
sudo apt install --reinstall pipewire wireplumber pipewire-pulse