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build(capture): add Deltacast SDK extraction and bridge build stages to Dockerfile

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Zac Gaetano 2026-06-01 07:52:03 -04:00
parent c7e07df515
commit de6e44b991
1 changed files with 29 additions and 1 deletions
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30
services/capture/Dockerfile
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@ -1,4 +1,21 @@
# ── Stage 1: Build FFmpeg with DeckLink + NVENC (HEVC/H264) support ─────────
# ── Stage 0: Extract Deltacast VideoMaster SDK ───────────────────────────
FROM debian:bookworm AS sdk-extractor
COPY videomaster-linux.x64-6.34.1-dev.tar.gz /tmp/
RUN mkdir -p /sdk && tar -xzf /tmp/videomaster-linux.x64-6.34.1-dev.tar.gz -C /sdk
# ── Stage 1: Build deltacast-capture bridge binary ───────────────────────
FROM debian:bookworm AS bridge-builder
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential cmake ca-certificates \
&& rm -rf /var/lib/apt/lists/*
COPY --from=sdk-extractor /sdk /sdk
COPY deltacast-bridge/ /bridge/
RUN cmake -S /bridge -B /bridge/build \
-DCMAKE_BUILD_TYPE=Release \
-DSDK_ROOT=/sdk \
&& cmake --build /bridge/build -j$(nproc)
# ── Stage 2: Build FFmpeg with DeckLink + NVENC (HEVC/H264) support ─────────
# All-Intra HEVC NVENC is the master codec for growing-file ingest (see
# docs/design/2026-05-29-all-intra-hevc-ingest.md). This stage gets the
# nv-codec-headers (header-only, no driver / no full CUDA toolkit needed)
@ -83,6 +100,17 @@ COPY lib/libDeckLinkAPI.so /usr/lib/libDeckLinkAPI.so
COPY lib/libDeckLinkPreviewAPI.so /usr/lib/libDeckLinkPreviewAPI.so
RUN ldconfig
# Deltacast bridge binary + SDK runtime libs
COPY --from=bridge-builder /bridge/build/deltacast-capture /usr/local/bin/deltacast-capture
COPY --from=sdk-extractor /sdk/lib/libvideomasterhd.so.6.34.1 /usr/local/lib/deltacast/
COPY --from=sdk-extractor /sdk/lib/libvideomasterhd_audio.so.6.34.1 /usr/local/lib/deltacast/
RUN ln -sf libvideomasterhd.so.6.34.1 /usr/local/lib/deltacast/libvideomasterhd.so.6 \
&& ln -sf libvideomasterhd.so.6.34.1 /usr/local/lib/deltacast/libvideomasterhd.so \
&& ln -sf libvideomasterhd_audio.so.6.34.1 /usr/local/lib/deltacast/libvideomasterhd_audio.so.6 \
&& ln -sf libvideomasterhd_audio.so.6.34.1 /usr/local/lib/deltacast/libvideomasterhd_audio.so \
&& ldconfig /usr/local/lib/deltacast \
&& ldconfig
# Mount points the recorder lifecycle expects to exist.
# /live — HLS preview output (bound from host LIVE_DIR by node-agent)
# /growing — growing-file master output (bound from host /mnt/NVME/MAM/growing)