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stapel-video

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Video calls for the Stapel framework — a thin, provider-agnostic library over a real-time video backend (LiveKit by default).

  • Rooms with human-shareable join codes (abc-defg-hij).
  • Admission modelpublic (anyone with the code joins), scope_trusted (members of the room's scope join instantly, others wait), restricted (everyone but the host waits in a lobby).
  • Realtime lobby over WebSockets (Channels) — waiting / admitted / denied, authenticated by the same Stapel JWT stack HTTP uses.
  • Host controls — admit / deny waiting guests.
  • Provider seam — one VideoProvider ABC (mint join token, create room, start/stop recording egress, verify webhook). Swap vendors without forking.
  • Recording is a seam, not a pipeline: start/stop_egress proxy the provider and a video.egress_ended comm event carries the storage key to stapel-recordings — by event, never by import.

Alpha (0.1.0). See MODULE.md for the agent-facing map of seams.

Install

pip install stapel-video            # core library
pip install 'stapel-video[livekit]' # + the default LiveKit backend
pip install 'stapel-video[channels]'# + the realtime lobby (WebSockets)

Mount

# urls.py
path("video/", include("stapel_video.urls"))

# asgi.py (realtime lobby)
from channels.routing import ProtocolTypeRouter, URLRouter
from stapel_core.django.jwt.channels import JWTAuthMiddlewareStack
from stapel_video.routing import websocket_urlpatterns

application = ProtocolTypeRouter({
    "http": django_asgi_app,
    "websocket": JWTAuthMiddlewareStack(URLRouter(websocket_urlpatterns)),
})

API

Method Path What
POST /video/api/rooms Create a room (creator auto-admitted host, with a token)
GET /video/api/rooms/{join_code} Room info
POST /video/api/rooms/{join_code}/join Join → admitted / waiting / denied
GET /video/api/rooms/{join_code}/participants Participants (anchor-paginated)
POST /video/api/rooms/{join_code}/lobby/admit Admit a waiting guest (host-only)
POST /video/api/rooms/{join_code}/lobby/deny Deny a waiting guest (host-only)
POST /video/api/webhook Provider webhook ingress (signed, unauthenticated)

Configuration (STAPEL_VIDEO)

Key Default What
VIDEO_PROVIDER …livekit.LiveKitProvider Video backend (dotted path)
SCOPE_PROVIDER …scope.DefaultScopeProvider scope_key resolution + membership
DEFAULT_ACCESS_LEVEL restricted Access level for a room created without one
DEFAULT_ADMIT_REQUIRED True Whether new rooms start with the lobby on
LIVEKIT_URL / LIVEKIT_API_KEY / LIVEKIT_API_SECRET "" Default-provider credentials

VIDEO_PROVIDER, DEFAULT_ACCESS_LEVEL and DEFAULT_ADMIT_REQUIRED are the three CTO-facing config axes surfaced in docs/capabilities.json.

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