#!/usr/bin/env bash

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# This script will build and install FFmpeg static libs
set -ex
os="$1"

# shellcheck source=../unix/InstallFromCompressedFileFromURL.sh
source "${BASH_SOURCE%/*}/../unix/InstallFromCompressedFileFromURL.sh"
# shellcheck source=../unix/SetEnvVar.sh
source "${BASH_SOURCE%/*}/../unix/SetEnvVar.sh"

version="n6.0"
url_public="https://github.com/FFmpeg/FFmpeg/archive/refs/tags/$version.tar.gz"
sha1="78435ec71cc2227017a99c030e858719b8c7c74d"
url_cached="http://ci-files01-hki.intra.qt.io/input/ffmpeg/$version.tar.gz"
ffmpeg_name="FFmpeg-$version"

target_dir="$HOME"
app_prefix=""
ffmpeg_source_dir="$target_dir/$ffmpeg_name"

if [ ! -d "$ffmpeg_source_dir" ];
then
   InstallFromCompressedFileFromURL "$url_cached" "$url_public" "$sha1" "$target_dir" "$app_prefix"
fi

ffmpeg_config_options=$(cat "${BASH_SOURCE%/*}/../shared/ffmpeg_config_options.txt")


build_ffmpeg() {
  local arch="$1"
  local prefix="$2"
  local build_dir="$ffmpeg_source_dir/build/$arch"
  mkdir -p "$build_dir"
  pushd "$build_dir"

  if [ -z  "$prefix" ]
  then prefix="/usr/local/$ffmpeg_name"
  fi

  if [ -n "$arch" ]
  then cc="clang -arch $arch"
  fi

  if [ -n "$arch" ]
  then $ffmpeg_source_dir/configure $ffmpeg_config_options --prefix="$prefix" --enable-cross-compile --arch=$arch --cc="$cc"
  else $ffmpeg_source_dir/configure $ffmpeg_config_options --prefix="$prefix"
  fi
  make install DESTDIR=$build_dir/installed -j4
  popd
}

if [ "$os" == "linux" ]; then
  build_ffmpeg
  sudo mv "$ffmpeg_source_dir/build/installed/usr/local/$ffmpeg_name" "/usr/local"
  SetEnvVar "FFMPEG_DIR" "/usr/local/$ffmpeg_name"

elif [ "$os" == "macos" ]; then
  brew install yasm
  export MACOSX_DEPLOYMENT_TARGET=11
  build_ffmpeg
  sudo mv "$ffmpeg_source_dir/build/installed/usr/local/$ffmpeg_name" "/usr/local"
  SetEnvVar "FFMPEG_DIR" "/usr/local/$ffmpeg_name"

elif [ "$os" == "macos-universal" ]; then
  brew install yasm
  export MACOSX_DEPLOYMENT_TARGET=11
  build_ffmpeg "arm64"
  build_ffmpeg "x86_64"

  sudo "${BASH_SOURCE%/*}/../macos/makeuniversal.sh" "$ffmpeg_source_dir/build/arm64/installed" "$ffmpeg_source_dir/build/x86_64/installed"
  SetEnvVar "FFMPEG_DIR" "/usr/local/$ffmpeg_name"

fi