Script to install new ffmpeg in MACOSX (Mountain Lion)

makeffmpeg.sh

#!/bin/bash
WORK_DIR=~/temp_ffmpeg

LAME_DIR=$WORK_DIR/lame
FAAC_DIR=$WORK_DIR/faac-1.28
FAAD2_DIR=$WORK_DIR/faad2-2.7
AUTOCONF_DIR=$WORK_DIR/autoconf-2.69
AUTOMAKE_DIR=$WORK_DIR/automake-1.12.4
YASM_DIR=$WORK_DIR/yasm
FFMPEG_DIR=$WORK_DIR/ffmpeg

function autogenbuild {
	DIRB=$1
	cd $DIRB
	./autogen.sh
	build $DIRB
}

function build {
	DIRB=$1
	cd $DIRB
	./configure
	make
	sudo make install
}


echo "Building ffmpeg from svn last version in MAC OSX MOUNTAIN LION"

mkdir $WORK_DIR

echo "Downloading components..."
git clone https://github.com/rbrito/lame.git $LAME_DIR
curl -L -o $WORK_DIR/faac-1.28.tar.gz http://downloads.sourceforge.net/project/faac/faac-src/faac-1.28/faac-1.28.tar.gz 
curl -L -o $WORK_DIR/faad2-2.7.tar.gz http://downloads.sourceforge.net/project/faac/faad2-src/faad2-2.7/faad2-2.7.tar.gz
curl -L -o $WORK_DIR/autoconf-2.69.tar.gz ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz
curl -L -o $WORK_DIR/automake-1.12.4.tar.gz ftp://ftp.gnu.org/gnu/automake/automake-1.12.4.tar.gz
git clone https://github.com/yasm/yasm.git $YASM_DIR
git clone https://github.com/FFmpeg/FFmpeg.git $FFMPEG_DIR

echo "Unpacking..."
tar zxf $WORK_DIR/faac-1.28.tar.gz -C $WORK_DIR
tar zxf $WORK_DIR/faad2-2.7.tar.gz -C $WORK_DIR
tar zxf $WORK_DIR/autoconf-2.69.tar.gz -C $WORK_DIR
tar zxf $WORK_DIR/automake-1.12.4.tar.gz -C $WORK_DIR


echo "Lame build"
build $LAME_DIR

echo "faac build"
build $FAAC_DIR

echo "faad2 build"
build $FAAD2_DIR

echo "autoconf build"
build $AUTOCONF_DIR

echo "automake build"
build $AUTOMAKE_DIR

echo "Yasm build"
autogenbuild $YASM_DIR

echo "Ffmpeg build"
build $FFMPEG_DIR