add some automated ffmpeg instructions

README.md

@@ -41,6 +41,11 @@ Wallop has only been tested running on OS X, though its just Ruby and FFMPEG, so
 
 You should have a modern version of FFMPEG compiled and installed. I'd suggest you just compile a fresh version from the most recent source. [Here](http://ffmpeg.org/trac/ffmpeg/wiki/MacOSXCompilationGuide) are good instructions on how get FFMPEG built for OS X. It's not that bad!
 
+```
+$ cp vendor/libaacplus.rb /usr/local/Library/Formula/
+$ sudo brew install vendor/ffmpeg.rb --HEAD --with-fdk-aac --with-libaacplus --with-libvo-aacenc --with-schroedinger --with-opencore-amr
+```
+
 ### Quickie Set Up
 
 Wallop is a simple Ruby server. All you need to do is clone it down, install its dependencies, and start it up!

vendor/ffmpeg.rb

@@ -0,0 +1,120 @@
+require 'formula'
+
+class Ffmpeg < Formula
+  homepage 'http://ffmpeg.org/'
+  url 'http://ffmpeg.org/releases/ffmpeg-1.2.1.tar.bz2'
+  sha1 '930e5612d75d04fdf7c0579f4d85d47e31e38945'
+
+  head 'git://git.videolan.org/ffmpeg.git'
+
+  option "without-x264", "Disable H.264 encoder"
+  option "without-lame", "Disable MP3 encoder"
+  option "without-xvid", "Disable Xvid MPEG-4 video encoder"
+
+  option "with-rtmpdump", "Enable RTMP protocol"
+  option "with-libvo-aacenc", "Enable VisualOn AAC encoder"
+  option "with-libass", "Enable ASS/SSA subtitle format"
+  option "with-openjpeg", 'Enable JPEG 2000 image format'
+  option 'with-openssl', 'Enable SSL support'
+  option 'with-schroedinger', 'Enable Dirac video format'
+  option 'with-ffplay', 'Enable FFplay media player'
+  option 'with-tools', 'Enable additional FFmpeg tools'
+  option 'with-fdk-aac', 'Enable the Fraunhofer FDK AAC library'
+
+  depends_on 'pkg-config' => :build
+
+  # manpages won't be built without texi2html
+  depends_on 'texi2html' => :build if MacOS.version >= :mountain_lion
+  depends_on 'yasm' => :build
+
+  depends_on 'x264' => :recommended
+  depends_on 'faac' => :recommended
+  depends_on 'lame' => :recommended
+  depends_on 'xvid' => :recommended
+
+  depends_on :freetype => :optional
+  depends_on 'theora' => :optional
+  depends_on 'libvorbis' => :optional
+  depends_on 'libvpx' => :optional
+  depends_on 'rtmpdump' => :optional
+  depends_on 'opencore-amr' => :optional
+  depends_on 'libvo-aacenc' => :optional
+  depends_on 'libaacplus' => :optional
+  depends_on 'libass' => :optional
+  depends_on 'openjpeg' => :optional
+  depends_on 'sdl' if build.include? 'with-ffplay'
+  depends_on 'speex' => :optional
+  depends_on 'schroedinger' => :optional
+  depends_on 'fdk-aac' => :optional
+  depends_on 'opus' => :optional
+  depends_on 'frei0r' => :optional
+  depends_on 'libcaca' => :optional
+
+  def install
+    args = ["--prefix=#{prefix}",
+            "--enable-shared",
+            "--enable-pthreads",
+            "--enable-gpl",
+            "--enable-postproc",
+            "--enable-version3",
+            "--enable-nonfree",
+            "--enable-hardcoded-tables",
+            "--enable-avresample",
+            "--enable-vda",
+            "--cc=#{ENV.cc}",
+            "--host-cflags=#{ENV.cflags}",
+            "--host-ldflags=#{ENV.ldflags}"
+           ]
+
+    args << "--enable-libx264" if build.with? 'x264'
+    args << "--enable-libfaac" if build.with? 'faac'
+    args << "--enable-libmp3lame" if build.with? 'lame'
+    args << "--enable-libxvid" if build.with? 'xvid'
+
+    args << "--enable-libfreetype" if build.with? 'freetype'
+    args << "--enable-libtheora" if build.with? 'theora'
+    args << "--enable-libvorbis" if build.with? 'libvorbis'
+    args << "--enable-libvpx" if build.with? 'libvpx'
+    args << "--enable-librtmp" if build.with? 'rtmpdump'
+    args << "--enable-libopencore-amrnb" << "--enable-libopencore-amrwb" if build.with? 'opencore-amr'
+    args << "--enable-libvo-aacenc" if build.with? 'libvo-aacenc'
+    args << "--enable-libass" if build.with? 'libass'
+    args << "--enable-libaacplus" if build.with? 'libaacplus'
+    args << "--enable-ffplay" if build.include? 'with-ffplay'
+    args << "--enable-libspeex" if build.with? 'speex'
+    args << '--enable-libschroedinger' if build.with? 'schroedinger'
+    args << "--enable-libfdk-aac" if build.with? 'fdk-aac'
+    args << "--enable-openssl" if build.with? 'openssl'
+    args << "--enable-libopus" if build.with? 'opus'
+    args << "--enable-frei0r" if build.with? 'frei0r'
+    args << "--enable-libcaca" if build.with? 'libcaca'
+
+    if build.with? 'openjpeg'
+      args << '--enable-libopenjpeg'
+      args << '--extra-cflags=' + %x[pkg-config --cflags libopenjpeg].chomp
+    end
+
+    # For 32-bit compilation under gcc 4.2, see:
+    # http://trac.macports.org/ticket/20938#comment:22
+    ENV.append_to_cflags "-mdynamic-no-pic" if Hardware.is_32_bit? && Hardware.cpu_type == :intel && ENV.compiler == :clang
+
+    system "./configure", *args
+
+    if MacOS.prefer_64_bit?
+      inreplace 'config.mak' do |s|
+        shflags = s.get_make_var 'SHFLAGS'
+        if shflags.gsub!(' -Wl,-read_only_relocs,suppress', '')
+          s.change_make_var! 'SHFLAGS', shflags
+        end
+      end
+    end
+
+    system "make install"
+
+    if build.include? 'with-tools'
+      system "make alltools"
+      bin.install Dir['tools/*'].select {|f| File.executable? f}
+    end
+  end
+
+end

vendor/libaacplus.rb

@@ -0,0 +1,41 @@
+require 'formula'
+
+class Libaacplus < Formula
+  homepage 'http://tipok.org.ua/node/17'
+  url 'http://217.20.164.161/~tipok/aacplus/libaacplus-2.0.2.tar.gz'
+  sha1 '86c492fa38b378373908ec1ff1ef2187b48239c5'
+
+  depends_on 'autoconf' => :build
+  depends_on 'automake' => :build
+  depends_on 'libtool' => :build
+
+  def patches
+    # configure.ac:8: error: 'AM_CONFIG_HEADER': this macro is obsolete. You should use the 'AC_CONFIG_HEADERS' macro instead.
+    DATA
+  end
+
+  def install
+    ENV.llvm if MacOS.xcode_version >= "4.2" # This fields contains dirty hack
+    ENV.gcc if MacOS.xcode_version < "4.2"   # to provide ability install aacplus library
+    ENV.deparallelize
+    inreplace 'autogen.sh', 'libtool', 'glibtool'
+    system "./autogen.sh", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}", "--disable-libtool-lock"
+    inreplace "Makefile", "distdir = $(PACKAGE)-$(VERSION)", "distdir = #{pwd}"
+    system "make"
+    system "make install"
+  end
+end
+
+__END__
+--- a/configure.ac	2013-02-16 02:03:59.000000000 +0400
++++ b/configure.ac	2013-02-16 02:04:10.000000000 +0400
+@@ -5,7 +5,7 @@
+ #AM_INIT_AUTOMAKE([dist-bzip2])
+ AM_INIT_AUTOMAKE
+
+-AM_CONFIG_HEADER(config.h)
++AC_CONFIG_HEADERS(config.h)
+ AC_CONFIG_MACRO_DIR([m4])
+ # Checks for programs.
+ AC_PROG_CC