gl_dockerfile

# docker build . -f gl_dockerfile -t clofus/ffmpeg:gl

FROM    clofus/ffmpeg:base AS base

WORKDIR /tmp/workdir

ARG     PKG_CONFIG_PATH=/opt/ffmpeg/lib/pkgconfig
ARG     LD_LIBRARY_PATH=/opt/ffmpeg/lib
ARG     PREFIX=/opt/ffmpeg
ARG     MAKEFLAGS="-j2"

COPY    ./ffmpeg-gl-transition ${WORKDIR}/ffmpeg-gl-transition

COPY    ./selections.conf ${WORKDIR}/selections.conf

RUN \
       DEBIAN_FRONTEND=noninteractive apt-get install -yq debconf-utils

RUN \
       debconf-set-selections < ${WORKDIR}/selections.conf

RUN \
       DEBIAN_FRONTEND=noninteractive apt-get install -yq keyboard-configuration

# Install packages needed for gltransitions
RUN \
       apt-get install -yq libass-dev libx265-dev libxvidcore-dev libnuma-dev libvpx-dev libx264-dev libopus-dev libglfw3 libglfw3-dev libglew1.13 libglew-dev glew-utils libxcb1 libxcb1-dev libxcb-shm0-dev libxcb-shm0 libxcb-xfixes0-dev libxcb-xfixes0 libgl1-mesa-glx xserver-xorg-video-dummy mesa-utils x11-apps

## ffmpeg https://ffmpeg.org/
RUN  \
        git clone http://source.ffmpeg.org/git/ffmpeg.git ${WORKDIR}/ffmpeg && \
        cd ${WORKDIR}/ffmpeg && \
        ln -s ${WORKDIR}/ffmpeg-gl-transition/vf_gltransition.c libavfilter/ && \
        ls libavfilter && \
        git apply ${WORKDIR}/ffmpeg-gl-transition/ffmpeg.diff && \
        ./configure \
        --disable-debug \
        --disable-doc \
        --disable-ffplay \
        --enable-shared \
        --enable-avresample \
        --enable-libopencore-amrnb \
        --enable-libopencore-amrwb \
        --enable-filter=gltransition \
        --enable-gpl \
        --enable-libass \
        --enable-libfreetype \
        --enable-libvidstab \
        --enable-libmp3lame \
        --enable-libopenjpeg \
        --enable-libopus \
        --enable-libtheora \
        --enable-libvorbis \
        --enable-libvpx \
        --enable-libx265 \
        --enable-libxvid \
        --enable-libx264 \
        --enable-nonfree \
        --enable-opengl \
        --enable-openssl \
        --enable-libfdk_aac \
        --enable-postproc \
        --enable-small \
        --enable-version3 \
        --extra-cflags="-I${PREFIX}/include" \
        --extra-ldflags="-L${PREFIX}/lib" \
         --extra-libs="-ldl -lGLEW -lglfw" \
        --prefix="${PREFIX}" && \
        make && \
        make install && \
        make distclean && \
        hash -r && \
        cd tools && \
        make qt-faststart && \
        cp qt-faststart ${PREFIX}/bin

## cleanup
RUN \
        ldd ${PREFIX}/bin/ffmpeg | grep opt/ffmpeg | cut -d ' ' -f 3 | xargs -i cp {} /usr/local/lib/ && \
        cp ${PREFIX}/bin/* /usr/local/bin/ && \
        cp -r ${PREFIX}/share/ffmpeg /usr/local/share/ && \
        LD_LIBRARY_PATH=/usr/local/lib ffmpeg -buildconf && \
        ldconfig


# Get the dummyX11 config
RUN \
       curl -sL http://xpra.org/xorg.conf > /etc/X11/xorg.conf

COPY        ./init.sh /etc/init.sh
COPY        ./filters /filters
CMD         ["ffmpeg"]
ENTRYPOINT  ["/etc/init.sh"]
ENV         LD_LIBRARY_PATH=/usr/local/lib \
            FONTCONFIG_PATH=/etc/fonts \
            DISPLAY=:1