jensandClaude Sonnet 5
301503a276
VNC/noVNC only ever streams video, so game sound needed a completely separate path. Adds pulseaudio/pulseaudio-utils/libasound2-plugins and routes ALSA's default device through Pulse (/etc/asound.conf), so dosbox/scummvm need zero special config. server.sh starts one PulseAudio daemon and one pcm_ws_bridge.py (from docker-common) for the container's whole lifetime, capturing Pulse's single default sink via parec. Audio is a single shared mix, not per-game - considered and dropped a per-slot-isolated design (mirroring the video architecture) as unnecessary complexity per direction. Every running game's audio just mixes into the one default sink; every /screen/<name> page connects to the same AUDIO_PORT. setup_server.py gains GET /screen/<name> (an iframe onto the game's noVNC screen plus an Enable Sound button - browsers require a user gesture before audio can start) and GET /pcm-worklet.js. The "Open Screen" link simplifies from a client-side-JS-built cross-port link to a plain same-origin relative link, since /screen/<name> now reads the real host server-side from the request's own Host header. Found and fixed a real bug along the way: parec --device=@DEFAULT_SINK@.monitor looks correct but fails with "Stream error: Invalid argument" - the actual PulseAudio macro is the single token @DEFAULT_MONITOR@. Verified end-to-end with real audio, not just plumbing: confirmed via `pactl list sink-inputs` that dosbox connects to Pulse correctly (unmuted, uncorked), then used xdotool to advance stuntcar past its silent title screen and captured real audible game audio (RMS ~9292) through the WebSocket bridge with a raw Python client. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NiNnj78HGx1KWyCCo39HSz
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