ffmpeg & libs installation from git repositories

ffmpeg_from_gitsource.sh

#!/bin/bash
#
# inpired by https://gist.github.com/faleev/3435377
#

HEADLESS=1

echo "Remove system stuff if installed to avoid conflicts"
sudo apt-get remove ffmpeg x264 libav-tools libvpx-dev libx264-dev

echo "install all neccessary dev packages"
sudo apt-get update

PACKAGES="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"
# PACKAGES+="TODO:which ones are non-headless???"
sudo apt-get -y install $(PACKAGES)

# neccessary libraries
x264_SRC=https://gist.github.com/vencax/5252335/raw/c9619270955f2fb0eb73f7c7d87cd4a6dda62b8f/x264_from_gitsource.sh
curl $(x264_SRC) | bash -x -s $1

fdk-aac_SRC=https://gist.github.com/vencax/5252448/raw/a94c73a0ab067e6d12de04de8c7f0ac0a3195837/fdk-aac_from_gitsource.sh
curl $(fdk-aac_SRC) | bash -x -s $1

vpx_SRC=https://gist.github.com/vencax/5252456/raw/83f22300343dedc784b267939e58a8dac77c7a9f/libvpx_from_gitsource.sh
curl $(vpx_SRC) | bash -x -s $1

ass_SRC=https://gist.github.com/vencax/5252545/raw/38ccb2bc2a76e09558611863a2d90d61070ff9c1/libass_from_gitsource.sh
curl $(ass_SRC) | bash -x -s $1

# actual ffmpeg

cd $1
git clone --depth 1 git://source.ffmpeg.org/ffmpeg
cd ffmpeg

OPTS="--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 --enable-libass"
# OPTS+=--enable-x11grab
./configure $(OPTS)

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