My .irbrc Ruby irb and Rails console configuration

Here is my customized configuration file for Ruby irb and Rails console. You will need to install the wirble and hirb gems for full functionality.

Compile FFMPEG from Source with x264 Support

Here are my notes for compiling FFMPEG from source with x264 and Xvid/DivX support on Ubuntu 9.10 Karmic Koala.

Your milage may vary!!!

	# The following notes detail the installation of ffmpeg from source,
	# and installed to /opt, instead of the default locations.
	# Target OS: Ubuntu 10.04
	# This file is not intended to be run as a script, but should be
	# seen as a rough guide, especially for dependency finding and
	# configure options.
	sudo apt-get remove ffmpeg x264 libx264-dev
	sudo apt-get install build-essential yasm git-core libtheora-dev libtheora0 \
	libvorbis-dev libvorbis0a libvorbisenc2 libvorbisenc2 libvorbisfile3 vorbis-tools \
	libxvidcore-dev libxvidcore4 libtwolame-dev libtwolame0 \
	libdc1394-22-dev libdc1394-22 libavc1394-0 libraw1394-11 libraw1394-dev \
	libgsm1-dev libgsm1
	mkdir ffmpeg_work
	cd ffmpeg_work
	wget http://faac.cvs.sourceforge.net/viewvc/faac/faac/?view=tar -O faac.tar
	wget http://downloads.sourceforge.net/faac/faad2-2.7.tar.bz2
	wget http://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.gz
	wget http://downloads.sourceforge.net/project/lame/lame/3.98.4/lame-3.98.4.tar.gz
	git clone --depth 1 git://git.videolan.org/x264.git
	git clone --depth 1 git://git.videolan.org/ffmpeg.git
	git clone --depth 1 git://git.xiph.org/mirrors/ogg.git
	sudo echo "/opt/lib" > /etc/ld.so.conf.d/opt.conf
	sudo ldconfig
	tar xzf lame-3.98.4.tar.gz
	cd lame-3.98.4
	./configure --prefix=/opt
	make && sudo make install
	cd ..
	cd ogg/
	./autogen.sh --prefix=/opt
	make && sudo make install
	sudo ldconfig
	tar xzvf libtheora-1.1.1.tar.gz
	cd libtheora-1.1.1
	./configure --prefix=/opt --with-ogg=/opt
	make && sudo make install
	cd ..
	tar xf faac.tar
	cd faac/
	./bootstrap && ./configure --with-mp4v2 --enable-shared --prefix=/opt
	make && sudo make install
	cd ..
	tar xjf faad2-2.7.tar.bz2
	cd faad2-2.7/
	./configure --with-mp4v2 --enable-shared --prefix=/opt
	make && sudo make install
	cd ..
	cd x264
	./configure --prefix=/opt --enable-pthread --enable-shared
	make && sudo make install
	cd ..
	sudo ldconfig
	cd ffmpeg
	./configure --prefix=/opt --enable-gpl --enable-nonfree --enable-pthreads \
	--enable-postproc --disable-debug \
	--extra-ldflags=-L/opt/lib --extra-cflags=-I/opt/include \
	--enable-libvorbis --enable-libtheora --enable-libdc1394 --enable-libgsm \
	--enable-libmp3lame --enable-libfaac --enable-libfaad --enable-libxvid --enable-libx264
	make && sudo make install
	sudo ldconfig
	# Be sure to Add "/opt/bin" to your PATH, otherwise call /opt/bin/ffmpeg

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