vcex

Offline LAN video call prototype in Elixir. Elixir serves page and WebSocket signaling. Browser handles camera, mic, video codec, jitter, and WebRTC peer connection.

Run

mix run --no-halt

Open:

http://localhost:4000

If port 4000 is busy:

PORT=4050 mix run --no-halt

SSH Access

From second machine:

ssh -L 4000:localhost:4000 user@host-lan-ip

Then open http://localhost:4000.

LAN Rules

Both peers must share LAN. No public internet STUN/TURN used. If network has client isolation, signaling may work but media can fail.

If direct media fails with ice failed, run local TURN relay. See docs/turn.md.

Scripts

• elixir dev_server.exs: start local server.
• elixir call_host.exs 4000: start server on chosen port.
• elixir ssh_tunnel.exs: print SSH tunnel command.
• elixir call_probe.exs 127.0.0.1: test TCP reachability.
• elixir smoke_test.exs: quick HTTP health test.

See USING.md for full local, LAN, SSH, and troubleshooting steps.

Native Desktop App

vcex includes a Tauri shell for a native desktop window. See docs/desktop.md.