# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

prepare() {
  cd "$BPM_SOURCE"
  patch -Np1 -i "$BPM_WORKDIR"/svt-av1-fix.patch
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr                   \
              --incdir=/usr/include/ffmpeg4.4 \
              --libdir=/usr/lib/ffmpeg4.4     \
              --enable-gpl                    \
              --enable-version3               \
              --disable-static                \
              --enable-shared                 \
              --disable-debug                 \
              --disable-stripping             \
              --disable-doc                   \
              --disable-programs              \
              --enable-gnutls                 \
              --enable-libaom                 \
              --enable-libass                 \
              --enable-libdrm                 \
              --enable-libfreetype            \
              --enable-libmp3lame             \
              --enable-libopus                \
              --enable-libpulse               \
              --enable-libspeex               \
              --enable-libvorbis              \
              --enable-libvpx                 \
              --enable-libwebp                \
              --enable-libx264                \
              --enable-libx265                \
              --enable-libxml2                \
              --enable-vulkan                 \
              --enable-librav1e               \
              --enable-libsvtav1              \
              --enable-gmp                    \
              --enable-libopenjpeg            \
              --enable-libopus                \
              --enable-librsvg                \
              --ignore-tests=enhanced-flv-av1 \
              --docdir=/usr/share/doc/ffmpeg
  
  make
  make tools/qt-faststart
  make doc/ff{mpeg,play}.1
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make DESTDIR="$BPM_OUTPUT" install

  # Move libs to /usr/lib, except the .so symlinks
  pushd "$BPM_OUTPUT" &> /dev/null
  local f
  for f in usr/lib/ffmpeg4.4/*; do
    if [[ $f == *.so ]]; then
      ln -srf -- usr/lib/"$(readlink "$f")" "$f"
    elif [[ ! -d $f ]]; then
      mv "$f" usr/lib
    fi
  done
  rm -r usr/share
  popd &> /dev/null

  # Install package license
  install -Dm644 "$BPM_SOURCE"/COPYING.GPLv3 "$BPM_OUTPUT"/usr/share/licenses/ffmpeg4.4/COPYING.GPLv3
}