ffmpeg.rb

require 'formula'

class Ffmpeg <Formula
  head 'svn://svn.ffmpeg.org/ffmpeg/trunk', :revision => 22811
  homepage 'http://ffmpeg.org/'

  depends_on 'x264' => :optional
  depends_on 'faac' => :optional
  depends_on 'faad2' => :optional
  depends_on 'lame' => :optional
  depends_on 'libvorbis' => :optional
  depends_on 'theora' => :optional
  depends_on 'opencore-amr' => :optional
  
  def install
    configure_flags = [
      "--prefix=#{prefix}",
      "--disable-debug",
      "--enable-shared",
      "--enable-pthreads",
      "--enable-nonfree",
      "--enable-gpl"
    ]

    configure_flags << "--enable-libx264" if Formula.factory('x264').installed?
    configure_flags << "--enable-libfaac" if Formula.factory('faac').installed?
    configure_flags << "--enable-libfaad" if Formula.factory('faad2').installed?
    configure_flags << "--enable-libmp3lame" if Formula.factory('lame').installed?
    configure_flags << "--enable-libvorbis" if Formula.factory('libvorbis').installed?
    configure_flags << "--enable-libtheora" if Formula.factory('theora').installed?
    
    if Formula.factory('opencore-amr').installed?
      configure_flags << "--enable-version3"
      configure_flags << "--enable-libopencore-amrnb"
      configure_flags << "--enable-libopencore-amrwb"
    end

    system "./configure", *configure_flags

    inreplace 'config.mak' do |s|
      if MACOS_VERSION >= 10.6 and Hardware.is_64_bit?
        shflags = s.get_make_var 'SHFLAGS'
        s.change_make_var! 'SHFLAGS', shflags.gsub!(' -Wl,-read_only_relocs,suppress', '')
      end
    end

    system "make install"
  end
end