#
# Docker.solution based on the Intel-Media-SDK instructions available here:
#
# https://github.com/Intel-Media-SDK/MediaSDK/wiki/Build-and-use-ffmpeg-with-MediaSDK
#
# This should really be part of a multi-stage build so the final 
# image isn't polluted with build artifacts
#
# NOTE: This image will only work with Ubuntu 19.04 (disco) and newer


# Install git and build tools, clone ffmpeg, and get ready to build it
RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get -q -y install \
    git build-essential

# Clone ffmpeg
# NOTE: This explicitly clones the FFMPEG_TAG_VERSION (see SOLUTIONS)
RUN git clone --depth 1 --branch $FFMPEG_TAG_VERSION https://github.com/ffmpeg/ffmpeg /home/agama/ffmpeg

# Install all required common packages:
RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get -q -y install \
    libva-dev=$LIBVA_DEV_VERSION \
    libmfx-dev=$LIBMFX_DEV_VERSION \
    libmfx1=$LIBMFX1_VERSION \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*

RUN apt-cache policy libmfx1 \
  && apt-cache policy libmfx-dev \
  && apt-cache search libmfx

ENV LIBVA_DRIVER_NAME=iHD

# Build FFmpeg
WORKDIR /home/agama/ffmpeg

RUN ./configure --arch=x86_64 --disable-yasm --enable-vaapi --enable-libmfx \
  && make \
  && make install