class Ffmpeg < Formula
  desc "Play, record, convert, and stream audio and video"
  homepage "https://ffmpeg.org/"
  url "https://ffmpeg.org/releases/ffmpeg-4.4.tar.xz"
  sha256 "06b10a183ce5371f915c6bb15b7b1fffbe046e8275099c96affc29e17645d909"
  # None of these parts are used by default, you have to explicitly pass `--enable-gpl`
  # to configure to activate them. In this case, FFmpeg's license changes to GPL v2+.
  license "GPL-2.0-or-later"
  revision 2
  head "https://github.com/FFmpeg/FFmpeg.git"

  livecheck do
    url "https://ffmpeg.org/download.html"
    regex(/href=.*?ffmpeg[._-]v?(\d+(?:\.\d+)+)\.t/i)
  end

  bottle do
    sha256 arm64_big_sur: "d603441a90e72b165e70ef1787b2045c6e969f077dcadd1529d04162fbd18ab3"
    sha256 big_sur:       "9da28933b9f1abc3b1cf92382d1a8ea051c98f9dd0f4ef47e8d37d2aa9a4769a"
    sha256 catalina:      "3fcc129951906c60f6e2130131fde64e449bc562a605f64be74fc950cac930ea"
    sha256 mojave:        "8becf08fae7806a6365b489c3dcde8f6f0ddb49a64e96386c2c190a15604a486"
    sha256 x86_64_linux:  "9920cc438d94d562c93f642e2a61995becdf5f4fdba55c357781653abb4a7a85"
  end

  depends_on "nasm" => :build
  depends_on "pkg-config" => :build
  depends_on "aom"
  depends_on "dav1d"
  depends_on "fontconfig"
  depends_on "freetype"
  depends_on "frei0r"
  depends_on "gnutls"
  depends_on "lame"
  depends_on "libass"
  depends_on "libbluray"
  depends_on "libsoxr"
  depends_on "libvidstab"
  depends_on "libvorbis"
  depends_on "libvpx"
  depends_on "opencore-amr"
  depends_on "openjpeg"
  depends_on "opus"
  depends_on "rav1e"
  depends_on "rubberband"
  depends_on "sdl2"
  depends_on "snappy"
  depends_on "speex"
  depends_on "srt"
  depends_on "tesseract"
  depends_on "theora"
  depends_on "webp"
  depends_on "x264"
  depends_on "x265"
  depends_on "xvid"
  depends_on "xz"
  depends_on "zeromq"
  depends_on "zimg"

  uses_from_macos "bzip2"
  uses_from_macos "libxml2"
  uses_from_macos "zlib"

  on_linux do
    depends_on "libxv"
  end

  def install
    args = %W[
      --prefix=#{prefix}
      --enable-shared
      --enable-pthreads
      --enable-version3
      --cc=#{ENV.cc}
      --host-cflags=#{ENV.cflags}
      --host-ldflags=#{ENV.ldflags}
      --enable-ffplay
      --enable-gnutls
      --enable-gpl
      --enable-libaom
      --enable-libbluray
      --enable-libdav1d
      --enable-libmp3lame
      --enable-libopus
      --enable-librav1e
      --enable-librubberband
      --enable-libsnappy
      --enable-libsrt
      --enable-libtesseract
      --enable-libtheora
      --enable-libvidstab
      --enable-libvorbis
      --enable-libvpx
      --enable-libwebp
      --enable-libx264
      --enable-libx265
      --enable-libxml2
      --enable-libxvid
      --enable-lzma
      --enable-libfontconfig
      --enable-libfreetype
      --enable-frei0r
      --enable-libass
      --enable-libopencore-amrnb
      --enable-libopencore-amrwb
      --enable-libopenjpeg
      --enable-libspeex
      --enable-libsoxr
      --enable-libzmq
      --enable-libzimg
      --disable-libjack
      --disable-indev=jack
    ]

    # libavresample has been deprecated and removed but some non-updated formulae are still linked to it
    # Remove in the next release
    args << "--enable-avresample" unless build.head?

    on_macos do
      # Needs corefoundation, coremedia, corevideo
      args << "--enable-videotoolbox"
    end

    system "./configure", *args
    system "make", "install"

    # Build and install additional FFmpeg tools
    system "make", "alltools"
    bin.install Dir["tools/*"].select { |f| File.executable? f }

    # Fix for Non-executables that were installed to bin/
    mv bin/"python", pkgshare/"python", force: true
  end

  test do
    # Create an example mp4 file
    mp4out = testpath/"video.mp4"
    system bin/"ffmpeg", "-filter_complex", "testsrc=rate=1:duration=1", mp4out
    assert_predicate mp4out, :exist?
  end
end
