# Base LiveKit Helm values (chart: livekit/livekit-server).
# DOMAIN_SUFFIX is replaced by overlay patches.
# API keys/secrets come from the livekit-keys Secret (loaded via extraEnv or config file).
# Reference: https://github.com/livekit/livekit-helm/blob/master/server-sample.yaml

livekit:
  port: 7880
  log_level: info
  prometheus_port: 6789

  # ── Codec preferences (order matters — first match wins) ────────────
  room:
    enabled_codecs:
      - mime: audio/opus
      - mime: audio/red
      # VP9: ~2x quality-per-bit over H.264, built-in SVC.
      - mime: video/vp9
      # AV1: best compression, limited HW decode support still.
      - mime: video/av1
      # H.264: broadest HW accel, fallback for constrained clients.
      - mime: video/h264
      # VP8: widest compatibility baseline (Element Call default).
      - mime: video/vp8

    # Receiver-side jitter buffer. Tight values for a small team.
    playout_delay:
      enabled: true
      min: 100
      max: 500
    sync_streams: true
    empty_timeout: 300
    departure_timeout: 20

  # ── RTC / transport ─────────────────────────────────────────────────
  rtc:
    port_range_start: 49152
    port_range_end:   49252
    tcp_port:         7881
    use_external_ip:  true
    allow_tcp_fallback: true

    # Request keyframes faster after quality drops.
    pli_throttle:
      low_quality:  300ms
      mid_quality:  500ms
      high_quality: 500ms

    # Larger NACK retransmission buffers for loss recovery.
    packet_buffer_size_video: 1000
    packet_buffer_size_audio: 500

    # Never pause video tracks due to congestion — we have the bandwidth.
    congestion_control:
      enabled: true
      allow_pause: false

  # ── TURN ────────────────────────────────────────────────────────────
  turn:
    enabled:           true
    domain:            meet.DOMAIN_SUFFIX
    tls_port:          5349
    udp_port:          3478
    external_tls:      true
    relay_range_start: 13333
    relay_range_end:   23333

  redis:
    address: valkey.data.svc.cluster.local:6379

  key_file: keys.yaml

storeKeysInSecret:
  enabled: true
  existingSecret: livekit-api-credentials

# ServiceMonitor created as standalone resource (livekit-servicemonitor.yaml) —
# chart template requires livekit.prometheus_port which conflicts with hostNetwork.

deployment:
  hostNetwork: true
  resources:
    limits:
      memory: 2048Mi
      cpu: 4000m
    requests:
      memory: 512Mi
      cpu: 500m

# Recreate strategy: hostPorts (TURN UDP relay range) block RollingUpdate —
# the new pod cannot schedule while the old one still holds the host ports.
deploymentStrategy:
  type: Recreate