d62af34e98
One container per channel. Built like capture/build-with-decklink: NDI + DeckLink SDKs fetched at build, runs --privileged with Xvfb for the GL context where no real display is present. Components: - entrypoint.sh: Xvfb + CasparCG launch, creates /media/live/<CHANNEL_ID> - src/amcp.js: TCP AMCP client - src/playout-manager.js: channel lifecycle, playlist walk via LOADBG AUTO for gapless transitions; primary consumer (decklink/ndi/srt/rtmp) plus a second FFMPEG HLS consumer (~600 kbps, 2s segments) for the UI preview - src/index.js: HTTP shim — /channel/start, /playlist/load, transport - frame-rate helper picks fps from video_format (59.94 → 60000/1001) so SEEK / LENGTH frame math is correct
47 lines
1.4 KiB
Bash
47 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# Headless GL: start a virtual framebuffer unless a real DISPLAY is provided
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# (a GPU node may pass through an X socket). CasparCG's mixer needs a GL context.
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if [ -z "${DISPLAY:-}" ]; then
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echo "[entrypoint] starting Xvfb on :99"
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Xvfb :99 -screen 0 1920x1080x24 -nolisten tcp &
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export DISPLAY=:99
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# Give Xvfb a moment to create the socket.
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for i in $(seq 1 20); do
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[ -e /tmp/.X11-unix/X99 ] && break
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sleep 0.25
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done
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fi
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# Ensure the HLS preview directory exists before CasparCG attaches its second
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# FFMPEG consumer (mam-api serves /live/<channel_id>/* from the shared volume).
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if [ -n "${CHANNEL_ID:-}" ]; then
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mkdir -p "/media/live/${CHANNEL_ID}"
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fi
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# Launch CasparCG Server from its install dir (it reads ./casparcg.config and
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# resolves relative media paths against the configured media folder).
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cd /opt/casparcg
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CASPAR_BIN="./casparcg"
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[ -x "$CASPAR_BIN" ] || CASPAR_BIN="./CasparCG Server"
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echo "[entrypoint] launching CasparCG: $CASPAR_BIN"
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"$CASPAR_BIN" &
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CASPAR_PID=$!
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# Forward termination to CasparCG so the channel closes cleanly.
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term() {
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echo "[entrypoint] terminating CasparCG ($CASPAR_PID)"
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kill -TERM "$CASPAR_PID" 2>/dev/null || true
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wait "$CASPAR_PID" 2>/dev/null || true
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exit 0
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}
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trap term SIGTERM SIGINT
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# Launch the Node control shim (foreground). If it exits, stop the container.
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cd /app
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node src/index.js &
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NODE_PID=$!
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wait -n "$CASPAR_PID" "$NODE_PID"
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term
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