This script will install ffmpeg with all its dependencies on Ubuntu 14.04 server machine

install-ffmpeg-ubuntu.sh

#!/bin/bash

## Preparing Environment - this can be altered to match your installation ##
# Folder to store ffmpeg and dependency libraries sources in the process:
FFMPEG_SRC=~/ffmpeg
# Folder to install ffmpeg binary into:
FFMPEG_BIN=$HOME/bin

## Install dependencies and packages that can be installed by apt-get ##
sudo apt-get update
sudo apt-get -y --force-yes install autoconf automake build-essential libass-dev libfreetype6-dev \
  libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev \
  libxcb-xfixes0-dev pkg-config texi2html zlib1g-dev \
  yasm libx264-dev libmp3lame-dev libopus-dev
  
## Install libx265-dev ##
sudo apt-get install cmake mercurial
cd $FFMPEG_SRC
hg clone https://bitbucket.org/multicoreware/x265
cd $FFMPEG_SRC/x265/build/linux
PATH="$HOME/bin:$PATH" cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$HOME/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
make
make install
make distclean

## Install libfdk-aac ##
cd $FFMPEG_SRC
wget -O fdk-aac.tar.gz https://github.com/mstorsjo/fdk-aac/tarball/master
tar xzvf fdk-aac.tar.gz
cd mstorsjo-fdk-aac*
autoreconf -fiv
./configure --prefix="$HOME/ffmpeg_build" --disable-shared
make
make install
make distclean

## Install libvpx ##
cd $FFMPEG_SRC
wget http://storage.googleapis.com/downloads.webmproject.org/releases/webm/libvpx-1.4.0.tar.bz2
tar xjvf libvpx-1.4.0.tar.bz2
cd libvpx-1.4.0
PATH="$HOME/bin:$PATH" ./configure --prefix="$HOME/ffmpeg_build" --disable-examples --disable-unit-tests
PATH="$HOME/bin:$PATH" make
make install
make clean

## Install ffmpeg ##
cd $FFMPEG_SRC
wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
tar xjvf ffmpeg-snapshot.tar.bz2
cd ffmpeg
PATH="$FFMPEG_BIN:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
  --prefix="$HOME/ffmpeg_build" \
  --pkg-config-flags="--static" \
  --extra-cflags="-I$HOME/ffmpeg_build/include" \
  --extra-ldflags="-L$HOME/ffmpeg_build/lib" \
  --bindir="$FFMPEG_BIN" \
  --enable-gpl \
  --enable-libass \
  --enable-libfdk-aac \
  --enable-libfreetype \
  --enable-libmp3lame \
  --enable-libopus \
  --enable-libtheora \
  --enable-libvorbis \
  --enable-libvpx \
  --enable-libx264 \
  --enable-libx265 \
  --enable-nonfree
PATH="$FFMPEG_BIN:$PATH" make
make install
make distclean
hash -r