Install the latest FFmpeg on Ubuntu 14.04

install-ffmpeg.sh

#!/bin/bash

# fail fast
set -e

TARBALL_URL="https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-amd64-static.tar.xz"

echo "*** Downloading "$( basename "$TARBALL_URL" )
TMP_DIR=$( mktemp -d )
curl --silent $TARBALL_URL | sudo tar Jx -C $TMP_DIR --strip-components=1

sudo mv $TMP_DIR/ff* /usr/local/bin
echo "Done! FFmpeg can be found in "$( which ffmpeg )

# Cleanup
rm -rf $TMP_DIR