claude-noether
c9a4b82f2c
Daemon-only bump (no daedalus-v4l2-dkms change needed; PROTO_VERSION stays at 0). #12 (LOW_DELAY half-measure): daemon sets AV_CODEC_FLAG_LOW_DELAY on the H.264 AVCodecContext so libavcodec emits frames in decode order ~99% of the time (a few stragglers at GOP boundaries when the stream's SPS num_reorder_frames overrides the flag). Visible improvement vs the 2-1-4-3 pair-swap on Firefox + mpv playback; not the permanent fix — see daedalus-v4l2#11 for the architectural plan to substitute daedalus-fourier kernels for libavcodec's pixel math one cycle at a time. #13 (daedalus-fourier linkage): daemon now pkg-config-links against the daedalus-fourier kernel library (marfrit/daedalus-fourier) and logs substrate availability at startup. No kernels dispatched yet — this is the build-time foundation for the substitution work. build-deb.sh updated to fetch + build + install daedalus-fourier (pinned at d87239d, marfrit/daedalus-fourier PR #1) into a per- build temp prefix before invoking the daemon's cmake, exposing it via PKG_CONFIG_PATH. Static-linked, so the resulting .deb has no new runtime deps. Requires libvulkan-dev + glslang-tools on the CI runner. Arch PKGBUILD bumped to the same upstream commit but Arch packaging for daedalus-fourier itself is a follow-up; until that lands the Arch build expects daedalus-fourier installed by the user (AUR-style). Debian-side is end-to-end self-contained via build-deb.sh. Refs: * reauktion/daedalus-v4l2#12 * reauktion/daedalus-v4l2#13 * reauktion/daedalus-v4l2#11 * marfrit/daedalus-fourier#1
217 lines
8.3 KiB
Bash
Executable File
217 lines
8.3 KiB
Bash
Executable File
#!/bin/bash
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# Build daedalus-v4l2_<ver>_arm64.deb (userspace daemon + test tools).
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#
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# Mirrors arch/daedalus-v4l2 (Arch Linux build). The companion DKMS
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# package (debian/daedalus-v4l2-dkms) carries the kernel module
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# separately so apt/dpkg can split kernel-version-tied and userspace
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# upgrade cadence.
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#
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# Sibling Arch package: ../../arch/daedalus-v4l2/PKGBUILD
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# Sibling DKMS package: ../daedalus-v4l2-dkms/build-deb.sh
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# Upstream repo: https://git.reauktion.de/reauktion/daedalus-v4l2
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set -euo pipefail
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# 77e14e5 = post-revert state plus daedalus-v4l2 PRs #12 (LOW_DELAY
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# half-measure for the H.264 display-reorder visual) and #13 (daemon
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# now links daedalus-fourier and logs substrate availability at
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# startup). PROTO_VERSION stays at 0; daedalus-v4l2-dkms only needs
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# bumping when the kernel module changes (no kmod changes here).
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#
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# New build-dep: daedalus-fourier kernel library. Fetched + built +
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# installed to a per-build temp prefix below, exposed to the daemon
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# cmake via PKG_CONFIG_PATH. Static-linked into the daemon binary,
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# so the resulting .deb has no runtime dep on daedalus-fourier.
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UPSTREAM_COMMIT=77e14e5a192f0eef0b41dd1140205e29d13d4d58
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PKGVER=0.1.0+r37+g77e14e5
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PKGREL=1 # reset for new upstream pin (77e14e5 — daedalus-fourier linkage)
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# daedalus-fourier pin. d87239d = marfrit/daedalus-fourier PR #1 merge
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# (install rules + pkg-config, enables this consumer to find_package
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# + link). Bump in lockstep with the upstream daemon when daedalus-
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# fourier's API or installed shaders are changed by a new consumer.
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DAEDALUS_FOURIER_COMMIT=d87239d8172307d9a1b93c95cbed116d175b85cc
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HERE=$(dirname "$(readlink -f "$0")")
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# Reproducible build. 2026-05-18 23:00 UTC — Phase 8.13 close.
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export SOURCE_DATE_EPOCH=1779231600
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work=$(mktemp -d)
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trap "rm -rf $work" EXIT
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# --- daedalus-fourier: fetch + build + install to per-build prefix ---
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#
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# Static-linked into the daemon, so the temp prefix is only for the
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# duration of this build script. Requires libvulkan-dev + glslang-tools
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# on the runner (already needed for the daedalus-fourier benches).
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FOURIER_PREFIX=$work/fourier-prefix
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mkdir -p "$FOURIER_PREFIX"
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cd "$work"
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curl --connect-timeout 10 --max-time 600 --retry 3 --retry-delay 5 -sSLfo daedalus-fourier.tar.gz \
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"https://git.reauktion.de/marfrit/daedalus-fourier/archive/${DAEDALUS_FOURIER_COMMIT}.tar.gz"
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tar xzf daedalus-fourier.tar.gz
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cd daedalus-fourier
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cmake -B build -G Ninja \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX="$FOURIER_PREFIX"
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cmake --build build --target daedalus_core
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cmake --install build
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# --- daedalus-v4l2: fetch + build daemon against installed daedalus-fourier ---
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cd "$work"
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curl --connect-timeout 10 --max-time 600 --retry 3 --retry-delay 5 -sSLfo daedalus-v4l2.tar.gz \
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"https://git.reauktion.de/reauktion/daedalus-v4l2/archive/${UPSTREAM_COMMIT}.tar.gz"
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tar xzf daedalus-v4l2.tar.gz
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SRCDIR=daedalus-v4l2
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# Build daemon (CMake) — point pkg-config at the daedalus-fourier
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# temp prefix so pkg_check_modules(DAEDALUS_FOURIER …) resolves to it.
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cd "$SRCDIR/daemon"
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PKG_CONFIG_PATH="$FOURIER_PREFIX/lib/pkgconfig" \
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cmake -B build -G Ninja \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX=/usr
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cmake --build build
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# Build test tools (in-tree Makefile)
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cd "$work/$SRCDIR/tools"
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make
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# Stage
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ROOT="$work/pkgroot"
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mkdir -p "$ROOT/DEBIAN" \
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"$ROOT/usr/bin" \
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"$ROOT/usr/libexec/daedalus-v4l2" \
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"$ROOT/usr/include" \
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"$ROOT/usr/share/doc/daedalus-v4l2" \
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"$ROOT/lib/systemd/system" \
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"$ROOT/usr/lib/modules-load.d"
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install -m 755 "$work/$SRCDIR/daemon/build/daedalus_v4l2_daemon" \
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"$ROOT/usr/bin/daedalus_v4l2_daemon"
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install -m 755 "$work/$SRCDIR/tools/test_chardev_pingpong" \
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"$ROOT/usr/libexec/daedalus-v4l2/test_chardev_pingpong"
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install -m 755 "$work/$SRCDIR/tools/test_m2m_decode" \
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"$ROOT/usr/libexec/daedalus-v4l2/test_m2m_decode"
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install -m 755 "$work/$SRCDIR/tools/test_m2m_stream" \
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"$ROOT/usr/libexec/daedalus-v4l2/test_m2m_stream"
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install -m 644 "$work/$SRCDIR/include/daedalus_v4l2_proto.h" \
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"$ROOT/usr/include/daedalus_v4l2_proto.h"
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# systemd unit + module autoload — without these the daemon never
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# starts and the libva/VAAPI consumer's REQ_DECODE has nobody on
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# the other end of /dev/daedalus-v4l2.
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install -m 644 "$work/$SRCDIR/packaging/systemd/daedalus-v4l2.service" \
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"$ROOT/lib/systemd/system/daedalus-v4l2.service"
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install -m 644 "$work/$SRCDIR/packaging/systemd/daedalus-v4l2.modules-load" \
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"$ROOT/usr/lib/modules-load.d/daedalus-v4l2.conf"
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install -m 644 "$work/$SRCDIR/README.md" \
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"$ROOT/usr/share/doc/daedalus-v4l2/README.md"
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for d in "$work/$SRCDIR/docs/"*.md; do
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install -m 644 "$d" "$ROOT/usr/share/doc/daedalus-v4l2/$(basename "$d")"
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done
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install -Dm644 "$HERE/debian/copyright" "$ROOT/usr/share/doc/daedalus-v4l2/copyright"
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install -Dm644 "$HERE/debian/changelog" "$ROOT/usr/share/doc/daedalus-v4l2/changelog.Debian"
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gzip -9 -n "$ROOT/usr/share/doc/daedalus-v4l2/changelog.Debian"
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# DEBIAN/postinst — enable service + reload modules-load.d so the
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# kernel module loads now if daedalus-v4l2-dkms is also installed.
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# Does NOT auto-start the service — that requires /dev/daedalus-v4l2
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# to already exist (the ConditionPathExists= in the .service file)
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# which may not be true on the very first install before the user
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# reboots or manually modprobes. Operator decides when to start.
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cat > "$ROOT/DEBIAN/postinst" <<'POSTINST'
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#!/bin/sh
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set -e
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if [ "$1" = "configure" ]; then
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# Reload systemd so the new unit file is visible.
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if command -v systemctl >/dev/null 2>&1; then
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systemctl daemon-reload >/dev/null 2>&1 || true
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systemctl enable daedalus-v4l2.service >/dev/null 2>&1 || true
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fi
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# Trigger /usr/lib/modules-load.d/daedalus-v4l2.conf without a
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# reboot. Harmless if the module is already loaded; logs to
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# journal if it can't load (most common cause: dkms hasn't built
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# the module yet for the running kernel — see daedalus-v4l2-dkms
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# postinst for the loud-warning path).
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if command -v systemd-modules-load >/dev/null 2>&1; then
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systemd-modules-load >/dev/null 2>&1 || true
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fi
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# Auto-start if /dev/daedalus-v4l2 came up (i.e. module loaded
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# successfully). ConditionPathExists in the unit file means
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# `systemctl start` is a no-op if the device isn't there yet —
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# avoids spurious failures during apt install on a host where
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# daedalus-v4l2-dkms hasn't built yet.
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if [ -e /dev/daedalus-v4l2 ] && command -v systemctl >/dev/null 2>&1; then
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systemctl start daedalus-v4l2.service >/dev/null 2>&1 || true
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fi
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fi
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#DEBHELPER#
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POSTINST
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chmod 755 "$ROOT/DEBIAN/postinst"
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cat > "$ROOT/DEBIAN/prerm" <<'PRERM'
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#!/bin/sh
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set -e
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if [ "$1" = "remove" ] && command -v systemctl >/dev/null 2>&1; then
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systemctl stop daedalus-v4l2.service >/dev/null 2>&1 || true
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systemctl disable daedalus-v4l2.service >/dev/null 2>&1 || true
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fi
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#DEBHELPER#
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PRERM
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chmod 755 "$ROOT/DEBIAN/prerm"
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cat > "$ROOT/DEBIAN/postrm" <<'POSTRM'
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#!/bin/sh
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set -e
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if command -v systemctl >/dev/null 2>&1; then
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systemctl daemon-reload >/dev/null 2>&1 || true
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fi
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#DEBHELPER#
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POSTRM
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chmod 755 "$ROOT/DEBIAN/postrm"
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cat > "$ROOT/DEBIAN/control" <<EOF
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Package: daedalus-v4l2
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Version: ${PKGVER}-${PKGREL}
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Section: video
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Priority: optional
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Architecture: arm64
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Depends: ffmpeg-v4l2-request-fourier (>= 2:8.1+rfourier), libdrm2
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Recommends: daedalus-v4l2-dkms
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Maintainer: Markus Fritsche <mfritsche@reauktion.de>
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Homepage: https://git.reauktion.de/reauktion/daedalus-v4l2
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Description: Userspace daemon for the daedalus_v4l2 stateless decoder shim
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daedalus-v4l2 ships the userspace daemon that backs the daedalus_v4l2
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out-of-tree V4L2 kernel module on Raspberry Pi 5 / CM5. Together they
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expose /dev/videoNN + /dev/mediaNN as a V4L2 stateless decoder for
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VP9, AV1, and H.264 — actual decoding happens in this single-threaded
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daemon via dlopen'd FFmpeg, with decoded NV12 / P010 frames shipped
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back through dmabuf.
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.
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Consumed end-to-end by libva-v4l2-request-fourier (>= 1.0.0+r376) so
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that 'ffmpeg -hwaccel vaapi' against vp9_small.ivf produces a
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byte-exact NV12 frame.
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.
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The kernel module ships separately in daedalus-v4l2-dkms; install
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both to actually serve V4L2 clients.
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EOF
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DEB_OUT="daedalus-v4l2_${PKGVER}-${PKGREL}_arm64.deb"
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dpkg-deb --root-owner-group --build "$ROOT" "$HERE/$DEB_OUT"
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echo "built: $HERE/$DEB_OUT"
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