Files
vf-cuda-grid/controller
gx 48b24a04dd controller: overlay broadcast ко всем cuda_grid + auto_hysteresis_sec
Issue: при layout switch overlays исчезали — каждый cuda_grid instance
(quad/single/mpp) имеет свой overlay state. add_overlay шёл только в один
target (cuda_grid@cg) → quad имел overlays, single/mpp без.

Fix:
  InstanceCfg.overlay_filter_targets: list[str] (e.g. [cuda_grid@cg,
    cuda_grid@cg_s, cuda_grid@cg_m]) — fallback к [filter_target] если empty.
  Dispatcher._overlay_broadcast(cmd, arg) — sends к каждому target.
  _overlay_add/remove/clear + _reload_icon now use broadcast.

Auto-layout debounce/hysteresis:
  FrigateBridgeCfg.auto_hysteresis_sec (default 3.0)
  _update_auto_layout schedules debounced apply через asyncio.Task;
  каждый новый state event cancels pending timer (reset). Apply только
  когда state стабилен N sec — short motion blips не дёргают layout.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-21 06:54:04 +01:00
..

cuda-grid-controller

Control-plane sidecar для vf_cuda_grid FFmpeg filter. Transforms MQTT / HTTP REST commands от Home Assistant / Node-RED / custom apps в FFmpeg process_command через ZeroMQ. Publishes state + events наружу для bidirectional integration.

Статус: Phase 3 work-in-progress — basic skeleton + HA Discovery + ZMQ command bridge. Phase 4+ добавит overlays, audio orchestration.

Что умеет (Phase 3)

  • MQTT subscribe cuda_grid/cmd/<instance>/layout/set → ZMQ send → FFmpeg layout switch
  • MQTT publish cuda_grid/state/<instance>/layout (retained) + cuda_grid/event/.../layout_switched
  • HA MQTT Discovery — select.layout + sensor.current_layout + binary_sensor.online per instance
  • HTTP REST API: /health, /layouts, /state, POST /layout/{instance}/set
  • Multi-instance (несколько FFmpeg pipelines с разными ZMQ endpoints)
  • Auto-reconnect MQTT, LWT для availability tracking

Использование

pip install -e .

export MQTT_USERNAME=mqtt
export MQTT_PASSWORD=secret
cuda-grid-controller --config examples/controller.yaml

FFmpeg side — как подключить cuda_grid + zmq filter

ffmpeg -i cam1.mp4 -i cam2.mp4 -i cam3.mp4 -i cam4.mp4 \
  -filter_complex "
    [0:v][1:v][2:v][3:v]cuda_grid=layout=quad,
    zmq=bind_address=tcp\\\\://127.0.0.1\\\\:5555
  " \
  -c:v h264_nvenc out.mp4

(После этого controller с zmq_endpoint: tcp://127.0.0.1:5555 сможет переключать layout командой cuda_grid@... layout six_grid.)

HA dashboard

После startup controller'а — в Home Assistant появятся entities:

  • select.cuda_grid_<instance>_layout — dropdown с layouts
  • sensor.cuda_grid_<instance>_current_layout — текущий выбранный
  • binary_sensor.cuda_grid_controller_online — online/offline

Roadmap

Phase Что
3 (this) Basic skeleton + HA Discovery + ZMQ bridge для layout switching
4 Overlay API (rect/text/icon через side data)
5 Rich overlays (image/dim/graph/chat) + privacy filtering
6 Audio orchestration (state machine, domofon use case)

Полный design: docs/design.md.