set -e

BASE_FFMPEG_ARGS="--fatal-warnings --enable-pic --enable-static --disable-shared --disable-all --disable-vulkan --enable-avcodec --enable-swscale --enable-decoder=h264 --enable-decoder=hevc --enable-decoder=av1 --enable-libdav1d --enable-decoder=libdav1d --enable-libdrm --enable-decoder=h264_v4l2m2m --enable-decoder=hevc_v4l2m2m --extra-cflags=-I/usr/include/libdrm"
USE_PLATFORM_FFMPEG=0
RKMPP="--prefix=/usr --enable-gpl --enable-version3 --enable-libdrm --enable-rkmpp --enable-rkrga"

echo "Building dependencies for $TARGET"

# Build and install our SDL2 build
# Получаем все нужные пути через pkg-config автоматически
# Это добавит и FreeType, и HarfBuzz, и SDL2
export CFLAGS="$(pkg-config --cflags freetype2 harfbuzz sdl2) -O2 -g"
export LDFLAGS="$(pkg-config --libs freetype2 harfbuzz sdl2)"
export CXXFLAGS="-O2 -g"

cd /opt/SDL2
./configure --enable-static --enable-shared --enable-video-kmsdrm --disable-video-rpi --disable-freetype-builtin --disable-harfbuzz-builtin
make -j8
cat sdl2.pc
make install

# Build and install SDL_ttf
# Since we'll be linking statically, we need to use Libs.private instead of Libs, but
# there's no way to tell QMake to use the Libs.private section, so we have to replace
# Libs with Libs.private ourselves prior to installation.


export CPPFLAGS="$(pkg-config --cflags freetype2 harfbuzz)"
export LDFLAGS="$(pkg-config --libs-only-L freetype2 harfbuzz)"
export LIBS="$(pkg-config --libs-only-l freetype2 harfbuzz)"

cd /opt/SDL_ttf
./autogen.sh
./configure --enable-static --enable-shared --disable-freetype-builtin --disable-harfbuzz-builtin
make -j8
sed -i 's/-lSDL2_ttf/-lSDL2_ttf -lfreetype/g' SDL2_ttf.pc
cat SDL2_ttf.pc
make install

# Build MPP
cd /opt/rkmpp
mkdir rkmpp_build
cd rkmpp_build
cmake \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_BUILD_TYPE=Release \
    -DBUILD_SHARED_LIBS=ON \
    -DBUILD_TEST=OFF \
    ..
make -j8
make install

# Build RGA
cd /opt
meson setup rkrga rkrga_build \
    --prefix=/usr \
    --libdir=lib \
    --buildtype=release \
    --default-library=shared \
    -Dcpp_args=-fpermissive \
    -Dlibdrm=false \
    -Dlibrga_demo=false
meson configure rkrga_build
ninja -C rkrga_build install

# Build FFmpeg and its dependencies if we're not using the platform version

# Build and install libdav1d
cd /opt/dav1d
meson setup build -Ddefault_library=static -Dbuildtype=debugoptimized -Denable_tools=false -Denable_tests=false
ninja -C build
ninja install -C build

# FFmpeg's architecture detection uses 'uname -m' which will be incorrect when
# natively executing a different hardware-compatible ABI (like armhf on aarch64
# or i686 on x86_64). We have to override that detection ourselves here.
FFMPEG_ARCH=$(dpkg --print-architecture)
if [ "$FFMPEG_ARCH" == "armhf" ]; then
    # Most dpkg architectures are handled by FFmpeg, but armhf is a special case
    FFMPEG_ARCH=arm
fi

# Build and install FFmpeg
cd /opt/ffmpeg
./configure --arch=$FFMPEG_ARCH $RKMPP $BASE_FFMPEG_ARGS $DAV1D_FFMPEG_ARGS #$EXTRA_FFMPEG_ARGS
make -j8
make install