ffmpeg.rb

class Ffmpeg < Formula
  desc "Play, record, convert, and stream audio and video"
  homepage "https://`.org/"
  url "https://ffmpeg.org/releases/ffmpeg-7.1.tar.xz"
  sha256 "40973d44970dbc83ef302b0609f2e74982be2d85916dd2ee7472d30678a7abe6"
  # 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"
  head "https://github.com/FFmpeg/FFmpeg.git", branch: "master"

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

  option "with-chromaprint", "Enable the Chromaprint audio fingerprinting library"
  option "with-fdk-aac", "Enable the Fraunhofer FDK AAC library"
  option "with-librsvg", "Enable SVG files as inputs via librsvg"
  option "with-libssh", "Enable SFTP protocol via libssh"
  option "with-tesseract", "Enable the tesseract OCR engine"
  option "with-libvidstab", "Enable vid.stab support for video stabilization"
  option "with-openh264", "Enable OpenH264 library"
  option "with-openjpeg", "Enable JPEG 2000 image format"
  option "with-rubberband", "Enable rubberband library"
  option "with-webp", "Enable using libwebp to encode WEBP images"
  option "with-zeromq", "Enable using libzeromq to receive commands sent through a libzeromq client"
  option "with-zimg", "Enable z.lib zimg library"
  option "with-srt", "Enable SRT library"
  option "with-libvmaf", "Enable libvmaf scoring library"
#  option "with-vulkan","Enable libvulkan"

  depends_on "nasm" => :build
  depends_on "pkg-config" => :build

  depends_on "dav1d"
  depends_on "x265"
 # depends_on "vulkan-loader"
 # depends_on "vulkan-headers"
  #depends_on "fontconfig"
  #depends_on "freetype"
 #depends_on "gnutls"
  #depends_on "fdk-aac"
  #depends_on "xz"

  depends_on "chromaprint" => :optional
  depends_on "fdk-aac" => :optional
  depends_on "frei0r" => :optional
  depends_on "game-music-emu" => :optional
  depends_on "lame" => :optional
  depends_on "libbluray" => :optional
  depends_on "libbs2b" => :optional
  depends_on "libcaca" => :optional
  depends_on "libgsm" => :optional
  depends_on "libmodplug" => :optional
  depends_on "librsvg" => :optional
  depends_on "libsoxr" => :optional
  depends_on "libssh" => :optional
  depends_on "libvidstab" => :optional
  depends_on "libvmaf" => :optional
  depends_on "libvorbis" => :optional
  depends_on "libvpx" => :optional
  depends_on "opencore-amr" => :optional
  depends_on "openh264" => :optional
  depends_on "openjpeg" => :optional
  depends_on "opus" => :optional
  depends_on "rtmpdump" => :optional
  depends_on "rubberband" => :optional
  depends_on "sdl2" => :optional
  depends_on "snappy" => :optional
  depends_on "speex" => :optional
  depends_on "srt" => :optional
  depends_on "tesseract" => :optional
  depends_on "theora" => :optional
  depends_on "two-lame" => :optional
  depends_on "wavpack" => :optional
  depends_on "webp" => :optional
  depends_on "x264" => :optional
  depends_on "x265" => :optional
  depends_on "xvid" => :optional
  depends_on "zeromq" => :optional
  depends_on "zimg" => :optional

#       --enable-hardcoded-tables

  def install
    args = %W[
      --prefix=#{prefix}
      --enable-shared
      --enable-pthreads
      --enable-version3
      --cc=#{ENV.cc}
      --host-cflags=#{ENV.cflags}
      --host-ldflags=#{ENV.ldflags}
      --enable-gpl
      --enable-nonfree
      --enable-opencl
      --enable-libdav1d
      --enable-libfdk-aac
      --enable-libx265
      --disable-libfontconfig
      --disable-libfreetype
      --disable-lzma
      --disable-gnutls
      --disable-libjack
      --disable-debug
      --disable-doc
      --disable-xlib
      --disable-libxcb
      --disable-libxcb-shm
      --disable-libxcb-xfixes
      --disable-libxcb-shape
      --disable-indev=jack
      --disable-vulkan
    ]

    if OS.mac?
      args << "--enable-videotoolbox"
    elsif OS.linux?
      args << "--disable-videotoolbox"
    end

    args << "--enable-chromaprint" if build.with? "chromaprint"
    args << "--enable-libbluray" if build.with? "libbluray"
    args << "--enable-libbs2b" if build.with? "libbs2b"
    args << "--enable-libcaca" if build.with? "libcaca"
    args << "--enable-libfdk-aac" if build.with? "fdk-aac"
    args << "--enable-libgme" if build.with? "game-music-emu"
    args << "--enable-libgsm" if build.with? "libgsm"
    args << "--enable-libmodplug" if build.with? "libmodplug"
    args << "--enable-libopenh264" if build.with? "openh264"
    args << "--enable-librsvg" if build.with? "librsvg"
    args << "--enable-librubberband" if build.with? "rubberband"
    args << "--enable-libsrt" if build.with? "srt"
    args << "--enable-libssh" if build.with? "libssh"
    args << "--enable-libtesseract" if build.with? "tesseract"
    args << "--enable-libtwolame" if build.with? "two-lame"
    args << "--enable-libvidstab" if build.with? "libvidstab"
    args << "--enable-libvmaf" if build.with? "libvmaf"
    args << "--enable-libwavpack" if build.with? "wavpack"
    args << "--enable-libwebp" if build.with? "webp"
    args << "--enable-libzimg" if build.with? "zimg"
    args << "--enable-libzmq" if build.with? "zeromq"
    args << "--enable-libx265" if build.with? "x265"

    if build.with? "openjpeg"
      args << "--enable-libopenjpeg"
      args << "--disable-decoder=jpeg2000"
      args << "--extra-cflags=" + `pkg-config --cflags libopenjp2`.chomp
    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 }
  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