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Install ffmpeg on Ubuntu

Save the below code to a .sh file and run to install ffmpeg on Ubuntu 14.04 and 12.04 distros.

#!/bin/bash

# Bash script to install latest version of ffmpeg 

# Remove any existing packages:
sudo apt-get -y remove ffmpeg x264 libav-tools libvpx-dev libx264-dev

# Get the dependencies (Ubuntu Server or headless users):
sudo apt-get update
sudo apt-get -y install build-essential checkinstall git libfaac-dev libgpac-dev \
  libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev librtmp-dev libtheora-dev \
    libvorbis-dev pkg-config texi2html yasm zlib1g-dev

# Install x264
sudo apt-get -y install libx264-dev
cd
git clone --depth 1 git://git.videolan.org/x264
cd x264
./configure --enable-static
make
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | \
  awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes \
    --fstrans=no --default

# Install AAC audio decoder
cd
wget http://downloads.sourceforge.net/opencore-amr/fdk-aac-0.1.0.tar.gz
tar xzvf fdk-aac-0.1.0.tar.gz
cd fdk-aac-0.1.0
./configure
make
sudo checkinstall --pkgname=fdk-aac --pkgversion="0.1.0" --backup=no \
  --deldoc=yes --fstrans=no --default

# Install VP8 video encoder and decoder.
cd
git clone --depth 1 https://chromium.googlesource.com/webm/libvpx 
cd libvpx
./configure
make
sudo checkinstall --pkgname=libvpx --pkgversion="1:$(date +%Y%m%d%H%M)-git" --backup=no \
  --deldoc=yes --fstrans=no --default


# Add lavf support to x264
# This allows x264 to accept just about any input that FFmpeg can handle and is useful if you want to use x264 directly. See a more detailed explanation of what this means.
cd ~/x264
make distclean
./configure --enable-static
make
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | \
  awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes \
  --fstrans=no --default

# Installing FFmpeg
cd
git clone --depth 1 git://source.ffmpeg.org/ffmpeg
cd ffmpeg
./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb \
  --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis \
    --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3 
make
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

# Optional: install qt-faststart
# This is a useful tool if you're showing your H.264 in MP4 videos on the web. It relocates some data in the video to allow playback to begin before the file is completely downloaded. Usage: qt-faststart input.mp4 output.mp4.
cd ~/ffmpeg
make 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