Simple Bash Script to Install FFMPEG + Required Libraries in Ubuntu 14.04

ffmpeg_installer.sh

#!/bin/bash

# Bash Script to Install FFMPEG in Ubuntu 14.04
# Ref: http://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
# Optional: install exiftool: apt-get install libimage-exiftool-perl
#
# Author: Edi Septriyanto http://masedi.net <hi@masedi.net>
# Edited by D.Black
########################################################################
CURDIR=$(pwd)

echo "Install Pre-requisites libraries..."
sleep 3
sudo apt-get update
sudo apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev \
  libtool libva-dev openssl libssl-dev \
  libxext-dev libxfixes-dev libimage-exiftool-perl pkg-config texi2html zlib1g-dev git

mkdir $CURDIR/ffmpeg_sources
mkdir $CURDIR/ffmpeg_build

## Yasm
clear
echo "Install Yasm library..."
sleep 3

cd $CURDIR/ffmpeg_sources
if [ ! -d yasm ]; then
	#git clone https://github.com/yasm/yasm.git yasm
	sudo apt-get install -y yasm
fi
#cd yasm
#autoreconf -fiv
#./configure --prefix="$CURDIR/ffmpeg_build" --bindir="/usr/local/bin"
#make
#make install
#ldconfig
#make distclean
export "PATH=$PATH:/usr/local/bin"

## libfdk-aac - AAC audio encoder
clear
echo "Install libfdk-aac - AAC audio encoder library..."
sleep 3
cd $CURDIR/ffmpeg_sources
#wget -O fdk-aac.zip https://github.com/mstorsjo/fdk-aac/zipball/master
if [ ! -d fdk-aac ]; then 
	git clone https://github.com/mstorsjo/fdk-aac.git fdk-aac
fi
cd fdk-aac
autoreconf -fiv
./configure --prefix="$CURDIR/ffmpeg_build" --disable-shared
make
sudo make install
sudo ldconfig
sudo make distclean

## libmp3lame - MP3 audio encoder
clear
echo "Install libmp3lame - MP3 audio encoder library..."
sleep 3
sudo apt-get install -y libmp3lame-dev
#sudo apt-get install nasm
#cd $CURDIR/ffmpeg_sources
#if [ ! -d lame-3.995.5 ]; then 
#	wget http://sourceforge.net/projects/lame/files/latest/download -O libmp3lame.tar.gz
#	tar zxf libmp3lame.tar.gz
#fi
#cd lame-3.995.5
#./configure --prefix="$CURDIR/ffmpeg_build" --enable-nasm --disable-shared
#make
#make install
#make distclean


## ffmpeg
clear
echo "Install FFmpeg..."
sleep 3
cd $CURDIR/ffmpeg_sources
if [ ! -d ffmpeg ]; then
	git clone git://source.ffmpeg.org/ffmpeg.git ffmpeg
fi
cd ffmpeg
PKG_CONFIG_PATH="$CURDIR/ffmpeg_build/lib/pkgconfig"
export PKG_CONFIG_PATH
./configure --enable-gpl --enable-libmp3lame --enable-nonfree --enable-libfdk-aac --enable-openssl
make
sudo make install
sudo make distclean
sudo hash -r

## Updating ffmpeg
#rm -rf ~/ffmpeg_build ~/ffmpeg_sources ~/bin/{ffmpeg,ffprobe,ffserver,vsyasm,x264,yasm,ytasm}

## Reverting Changes Made by This Guide
#rm -rf ~/ffmpeg_build ~/ffmpeg_sources ~/bin/{ffmpeg,ffprobe,ffserver,vsyasm,x264,yasm,ytasm}
#sudo apt-get autoremove autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev \
#  libmp3lame-dev libopus-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev \
#  libvorbis-dev libvpx-dev libx11-dev libxext-dev libxfixes-dev texi2html zlib1g-dev
#sed -i '/ffmpeg_build/c\' ~/.manpath
#hash -r