FROM DISTRO

# Docker build arguments
ARG SOURCE_DIR=/ffmpeg
ARG ARTIFACT_DIR=/dist

# Docker run environment
ENV DEB_BUILD_OPTIONS=noddebs
ENV DEBIAN_FRONTEND=noninteractive
ENV ARCH=BUILD_ARCHITECTURE
ENV GCC_VER=GCC_RELEASE_VERSION
ENV LLVM_VER=LLVM_RELEASE_VERSION
ENV LLVMSPIRVLIB_VER=LLVMSPIRVLIB_RELEASE_VERSION
ENV SOURCE_DIR=/ffmpeg
ENV ARTIFACT_DIR=/dist
ENV TARGET_DIR=/usr/lib/jellyfin-ffmpeg
ENV DPKG_INSTALL_LIST=${SOURCE_DIR}/debian/jellyfin-ffmpeg8.install
ENV PATH=${TARGET_DIR}/bin:${PATH}
ENV PKG_CONFIG_PATH=${TARGET_DIR}/lib/pkgconfig:${PKG_CONFIG_PATH}
ENV LD_LIBRARY_PATH=${TARGET_DIR}/lib:${TARGET_DIR}/lib/mfx:${TARGET_DIR}/lib/xorg:${LD_LIBRARY_PATH}
ENV LDFLAGS="-Wl,--disable-new-dtags -Wl,-rpath=${TARGET_DIR}/lib -L${TARGET_DIR}/lib -lm"
ENV CXXFLAGS="-I${TARGET_DIR}/include $CXXFLAGS"
ENV CPPFLAGS="-I${TARGET_DIR}/include $CPPFLAGS"
ENV CFLAGS="-I${TARGET_DIR}/include $CFLAGS"
ENV CMAKE_POLICY_VERSION_MINIMUM="3.5"

# Prepare Debian build environment
RUN apt-get update \
 && apt-get dist-upgrade -y \
 && apt-get install -y apt-transport-https \
    curl ninja-build debhelper gnupg wget devscripts \
    mmv equivs git nasm pkg-config subversion dh-autoreconf \
    python3-pip zip unzip tar flex bison gperf ragel \
 && apt-get clean autoclean -y \
 && apt-get autoremove -y

# Install newer tools from pip3
RUN pip3 install $(pip3 help install | grep -o "\-\-break-system-packages") --ignore-installed pip \
 && pip3 install $(pip3 help install | grep -o "\-\-break-system-packages") meson cmake mako jinja2 pyyaml

# Avoids timeouts when using git and disable the detachedHead advice
RUN git config --global http.postbuffer 524288000 \
 && git config --global advice.detachedHead false

# Link to docker-build script
RUN ln -sf ${SOURCE_DIR}/docker-build.sh /docker-build.sh

VOLUME ${ARTIFACT_DIR}/

COPY . ${SOURCE_DIR}/

ENTRYPOINT ["/docker-build.sh"]