update script ffmpeg for Debian wheezy/testing and Mint

#!/bin/bash

#######################################################################################
##  By Erik Adler aka Onryo.                                                         ##
##  This is an ffmpeg upgrade stript for Debian Wheezy/testing and Mint.             ##
##  This bash script will upgrade to the newest git of x264, VP8, ffmpeg             ##
##  qt-faststart and lavf                                                            ##
##  This is an update script for ffmpeg for Debian wheezy/testing                    ##
##  License for this script is copyleft.                                             ##
##  libfaac-dev, libmp3lame-de and libmp3lame-dev are found in                       ##
##  "deb http://www.debian-multimedia.org main"                                      ##
##   No fancy msg in this. When i get around to it Ill port it to C with QT. With    ##
##   All the bells and blinky GUI install stuff.                         ##
#######################################################################################

# change the below path to one that fits your computer. I call mine sandbox but call it
# what you want on your system.
sandbox=/home/onryo/sandbox

# uses all the cores and hyper threading for your cpu.
cpu_threads=$(grep -c ^processor /proc/cpuinfo 2>/dev/null)

sudo apt-get -y remove ffmpeg x264 libx264-dev libvpx-dev
sudo apt-get update
sudo apt-get -y install build-essential git checkinstall yasm texi2html libfaac-dev libjack-jackd2-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libsdl1.2-dev libtheora-dev libva-dev libvdpau-dev libvorbis-dev libx11-dev libxfixes-dev zlib1g-dev

##################updates x264###################

cd $sandbox/x264
# gets rid of old deb junk (below) that checkinstall made.
rm *.deb
make -j $cpu_threads distclean
git pull
./configure --enable-static
make -j $cpu_threads
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes --fstrans=no --default

################updates libvpx VP8 video##########

cd $sandbox/libvpx
rm *.deb
make -j $cpu_threads clean
git pull
./configure
make -j $cpu_threads
sudo checkinstall --pkgname=libvpx --pkgversion="1:$(date +%Y%m%d%H%M)-git" --backup=no --deldoc=yes --fstrans=no --default

###############updates ffmpeg#####################

cd $sandbox/ffmpeg
rm *.deb
make -j $cpu_threads distclean
git pull
./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-libvpx
make -j $cpu_threads
sudo checkinstall --pkgname=ffmpeg --pkgversion="5:$(date +%Y%m%d%H%M)-git" --backup=no --deldoc=yes --fstrans=no --default
hash x264 ffmpeg ffplay ffprobe

##############updates qt-faststart##################

cd $sandbox/ffmpeg
make -j $cpu_threads tools/qt-faststart
sudo checkinstall --pkgname=qt-faststart --pkgversion="$(date +%Y%m%d%H%M)-git" --backup=no --deldoc=yes --fstrans=no --default install -Dm755 tools/qt-faststart /usr/local/bin/qt-faststart

###############updates lavf to x264##################

cd $sandbox/x264
make -j $cpu_threads distclean
./configure --enable-static
make -j $cpu_threads
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes --fstrans=no --default