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https://github.com/fluxerapp/fluxer
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refactor(media-proxy): split into modules and harden streaming (#2437)
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Hampus authored and GitHub committed
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#!/usr/bin/env bash
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# SPDX-License-Identifier: AGPL-3.0-or-later
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set -euo pipefail
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PREFIX="${1:-/usr/local}"
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FFMPEG_VERSION=9.0
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FFMPEG_SHA256=7f607a00dd0d28a729d5a4811205812eef01cf6ef6155025febb6f36a9062d52
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FFMPEG_URL="https://ffmpeg.org/releases/ffmpeg-${FFMPEG_VERSION}.tar.xz"
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LIBHEIF_VERSION=1.23.1
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LIBHEIF_SHA256=0de0327f60fcd47de90d5654c6fe152232738d60d84fe084ec3e0f35e03b166a
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LIBHEIF_URL="https://github.com/strukturag/libheif/releases/download/v${LIBHEIF_VERSION}/libheif-${LIBHEIF_VERSION}.tar.gz"
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LIBAVFILTER_FLOOR=11.0.100
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LIBHEIF_FLOOR=1.23.0
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VIPS_FLOOR=8.13.0
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LIBWEBP_FLOOR=1.1.0
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LCMS2_FLOOR=2.8
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LIBHEIF_FLOOR_REASON="src/native_shim/heif_pixels.c compiles a different HEIF decode path below 1.21 and below 1.23, so every environment must be at least ${LIBHEIF_FLOOR}"
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FFMPEG_BUILD_MODULES="zlib dav1d aom"
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LIBHEIF_BUILD_MODULES="libde265 dav1d aom"
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REQUIRED_DECODERS="apng gif h264 hevc vp8 vp9 libdav1d libaom-av1 mjpeg png webp bmp"
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REQUIRED_ENCODERS="gif"
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REQUIRED_DEMUXERS="apng bmp_pipe gif"
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log() { printf '==> %s\n' "$*" >&2; }
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die() {
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printf 'install-native-deps: %s\n' "$*" >&2
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exit 1
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}
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pc() {
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PKG_CONFIG_PATH="${PREFIX}/lib/pkgconfig:${PREFIX}/lib64/pkgconfig:${PKG_CONFIG_PATH:-}" pkg-config "$@"
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}
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need_command() {
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command -v "$1" >/dev/null 2>&1 || die "$1 is required but is not on PATH"
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}
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atleast() {
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pc --atleast-version="$2" "$1" || die "$1 >= $2 is required: $3"
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}
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installed_here() {
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local reported
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reported="$(pc --variable=prefix "$1" 2>/dev/null)" || return 1
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[ "$reported" = "$PREFIX" ]
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}
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verify_sha256() {
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local file="$1" expected="$2" actual
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if command -v sha256sum >/dev/null 2>&1; then
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actual="$(sha256sum "$file" | cut -d' ' -f1)"
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else
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actual="$(shasum -a 256 "$file" | cut -d' ' -f1)"
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fi
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[ "$actual" = "$expected" ] || die "sha256 mismatch for ${file}: expected ${expected}, got ${actual}"
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}
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homebrew_prefix() {
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if [ -n "${HOMEBREW_PREFIX:-}" ]; then
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printf '%s\n' "$HOMEBREW_PREFIX"
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return 0
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fi
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need_command brew
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brew --prefix
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}
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verify_image_floors() {
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local vips_hint="$1" webp_hint="$2" lcms2_hint="$3"
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atleast vips "$VIPS_FLOOR" "$vips_hint"
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atleast libwebp "$LIBWEBP_FLOOR" "$webp_hint"
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atleast lcms2 "$LCMS2_FLOOR" "$lcms2_hint"
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}
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verify_libyuv_toolchain() {
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need_command cc
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local probe_dir probe status=0
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probe_dir="$(mktemp -d)"
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probe="${probe_dir}/libyuv_probe.c"
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printf '%s\n' \
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'#include <libyuv.h>' \
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'int main(void) { return I420ToABGR(0, 0, 0, 0, 0, 0, 0, 0, 0, 0); }' \
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>"$probe"
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cc -std=c11 -I"${PREFIX}/include" "$probe" -L"${PREFIX}/lib" -lyuv -o "${probe_dir}/libyuv_probe" \
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>/dev/null 2>&1 || status=$?
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rm -rf "$probe_dir"
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[ "$status" = 0 ] || die "libyuv.h and -lyuv must be usable from C11: $1"
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}
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verify_macos_floors() {
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need_command pkg-config
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atleast libavfilter "$LIBAVFILTER_FLOOR" "FFmpeg >= 8.0, run 'brew install ffmpeg'"
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atleast libheif "$LIBHEIF_FLOOR" "${LIBHEIF_FLOOR_REASON}, run 'brew install libheif'"
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verify_image_floors \
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"run 'brew install vips'" \
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"run 'brew install webp'" \
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"run 'brew install little-cms2'"
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local prefix
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prefix="$(homebrew_prefix)"
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[ -f "${prefix}/include/libyuv.h" ] \
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|| die "libyuv header missing at ${prefix}/include/libyuv.h, run 'brew install libyuv'"
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[ -f "${prefix}/lib/libyuv.dylib" ] || [ -f "${prefix}/lib/libyuv.a" ] \
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|| die "libyuv library missing under ${prefix}/lib, run 'brew install libyuv'"
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}
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verify_linux_floors() {
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need_command pkg-config
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verify_image_floors \
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"install libvips-dev" \
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"install libwebp-dev" \
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"install liblcms2-dev"
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verify_libyuv_toolchain "install libyuv-dev"
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}
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require_build_modules() {
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local module
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for module in $1; do
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pc --exists "$module" \
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|| die "build dependency ${module} is missing: install zlib1g-dev libdav1d-dev libaom-dev libde265-dev"
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done
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}
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fetch_source() {
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local url="$1" sha256="$2" archive="$3" destination="$4"
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log "downloading ${url}"
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curl -fsSL --retry 3 --retry-delay 2 "$url" -o "$archive"
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verify_sha256 "$archive" "$sha256"
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mkdir -p "$destination"
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tar -xf "$archive" -C "$destination" --strip-components=1
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}
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build_ffmpeg() {
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need_command curl
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need_command tar
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need_command make
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require_build_modules "$FFMPEG_BUILD_MODULES"
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fetch_source "$FFMPEG_URL" "$FFMPEG_SHA256" "${WORKDIR}/ffmpeg.tar.xz" "${WORKDIR}/ffmpeg"
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(
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cd "${WORKDIR}/ffmpeg"
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./configure \
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--prefix="$PREFIX" \
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--disable-debug --disable-doc --disable-static --enable-shared --enable-pic \
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--disable-programs --enable-ffmpeg \
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--enable-libaom --enable-libdav1d
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make -j"$JOBS"
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make install
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)
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}
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build_libheif() {
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need_command curl
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need_command tar
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need_command cmake
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require_build_modules "$LIBHEIF_BUILD_MODULES"
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fetch_source "$LIBHEIF_URL" "$LIBHEIF_SHA256" "${WORKDIR}/libheif.tar.gz" "${WORKDIR}/libheif"
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cmake -S "${WORKDIR}/libheif" -B "${WORKDIR}/libheif/build" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DBUILD_SHARED_LIBS=ON \
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-DBUILD_TESTING=OFF \
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-DBUILD_DOCUMENTATION=OFF \
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-DBUILD_DEVELOPMENT_TOOLS=OFF \
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-DENABLE_COVERAGE=OFF \
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-DENABLE_PLUGIN_LOADING=OFF \
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-DENABLE_MULTITHREADING_SUPPORT=ON \
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-DENABLE_PARALLEL_TILE_DECODING=ON \
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-DWITH_EXAMPLES=OFF \
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-DWITH_EXAMPLE_HEIF_THUMB=OFF \
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-DWITH_EXAMPLE_HEIF_VIEW=OFF \
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-DWITH_FUZZERS=OFF \
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-DWITH_GDK_PIXBUF=OFF \
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-DWITH_REDUCED_VISIBILITY=ON \
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-DWITH_HEADER_COMPRESSION=OFF \
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-DWITH_UNCOMPRESSED_CODEC=OFF \
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-DWITH_WEBCODECS=OFF \
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-DWITH_LIBSHARPYUV=OFF \
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-DWITH_LIBSHARPYUV_INTERNAL=OFF \
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-DWITH_LIBDE265=ON \
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-DWITH_DAV1D=ON \
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-DWITH_AOM_DECODER=ON \
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-DWITH_AOM_ENCODER=OFF \
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-DWITH_X265=OFF \
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-DWITH_X264=OFF \
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-DWITH_OpenH264_DECODER=OFF \
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-DWITH_KVAZAAR=OFF \
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-DWITH_UVG266=OFF \
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-DWITH_VVDEC=OFF \
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-DWITH_VVENC=OFF \
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-DWITH_SvtEnc=OFF \
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-DWITH_RAV1E=OFF \
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-DWITH_JPEG_DECODER=OFF \
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-DWITH_JPEG_ENCODER=OFF \
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-DWITH_OpenJPEG_DECODER=OFF \
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-DWITH_OpenJPEG_ENCODER=OFF \
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-DWITH_OPENJPH_ENCODER=OFF \
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-DWITH_FFMPEG_DECODER=OFF
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cmake --build "${WORKDIR}/libheif/build" -j "$JOBS"
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cmake --install "${WORKDIR}/libheif/build"
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}
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register_library_path() {
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[ "$(id -u)" = "0" ] || return 0
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[ -d /etc/ld.so.conf.d ] || return 0
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printf '%s\n' "${PREFIX}/lib" >/etc/ld.so.conf.d/fluxer-media-native.conf
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ldconfig
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}
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ffmpeg_listing() {
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LD_LIBRARY_PATH="${PREFIX}/lib:${PREFIX}/lib64:${LD_LIBRARY_PATH:-}" "$1" -hide_banner "$2"
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}
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require_listed() {
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local listing="$1" kind="$2" names="$3" name
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for name in $names; do
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printf '%s\n' "$listing" | grep -qE "^[[:space:]]*[A-Z.]+[[:space:]]+${name}([[:space:]]|\$)" \
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|| die "FFmpeg ${FFMPEG_VERSION} under ${PREFIX} is missing the ${name} ${kind}"
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done
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}
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verify_ffmpeg_codecs() {
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local binary="${PREFIX}/bin/ffmpeg" listing
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[ -x "$binary" ] || die "expected an ffmpeg binary at ${binary}"
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listing="$(ffmpeg_listing "$binary" -decoders)"
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require_listed "$listing" decoder "$REQUIRED_DECODERS"
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listing="$(ffmpeg_listing "$binary" -encoders)"
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require_listed "$listing" encoder "$REQUIRED_ENCODERS"
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listing="$(ffmpeg_listing "$binary" -demuxers)"
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require_listed "$listing" demuxer "$REQUIRED_DEMUXERS"
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}
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if [ "$(uname -s)" = "Darwin" ]; then
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log "macOS: verifying Homebrew native floors instead of source-building"
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verify_macos_floors
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log "Homebrew native floors satisfied"
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exit 0
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fi
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verify_linux_floors
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JOBS="$(nproc 2>/dev/null || echo 4)"
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WORKDIR="$(mktemp -d)"
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trap 'rm -rf "$WORKDIR"' EXIT
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if installed_here libavfilter && pc --atleast-version="$LIBAVFILTER_FLOOR" libavfilter && [ -x "${PREFIX}/bin/ffmpeg" ]; then
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log "libavfilter $(pc --modversion libavfilter) already installed under ${PREFIX}"
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else
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log "building FFmpeg ${FFMPEG_VERSION} into ${PREFIX}"
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build_ffmpeg
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fi
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if installed_here libheif && pc --exact-version="$LIBHEIF_VERSION" libheif; then
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log "libheif ${LIBHEIF_VERSION} already installed under ${PREFIX}"
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else
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log "building libheif ${LIBHEIF_VERSION} into ${PREFIX}"
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build_libheif
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fi
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register_library_path
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installed_here libavfilter || die "libavfilter must resolve from ${PREFIX}"
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atleast libavfilter "$LIBAVFILTER_FLOOR" "FFmpeg >= 8.0 must resolve from ${PREFIX}"
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installed_here libheif || die "libheif must resolve from ${PREFIX}"
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pc --exact-version="$LIBHEIF_VERSION" libheif \
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|| die "libheif ${LIBHEIF_VERSION} must resolve from ${PREFIX}, got $(pc --modversion libheif): ${LIBHEIF_FLOOR_REASON}"
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verify_ffmpeg_codecs
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log "native media dependencies ready under ${PREFIX}"
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