#!/bin/bash
# this no brain script tries to get ffmpeg from cvs
# and it tries to "patch" the build files 
if [ -d "ffmpeg" ]
then
	echo "FFmpeg build tree found"
	exit 0
fi

if [ ! -d "ffmpeg" ]
then
	echo "FFmpeg build tree not found"
	mkdir ffmpeg
	cd ffmpeg
fi

MAKEFILE_TEMPL="SUBDIRS =\n\
DIST_SUBDIRS = ffmpeg\n\
EXTRA_DIST = configure.gnu Makefile.gnu\n\
DISTCLEANFILES=\n\
MAINTAINERCLEANFILES=\n\
all-local:\n\
\tcd ffmpeg && make -f Makefile.gnu\n"


if [ ! -d "ffmpeg" ] 
then
	echo "Trying to get FFmpeg from cvs"
 	if cvs -d:pserver:anonymous@mplayerhq.hu:/cvsroot/ffmpeg co ffmpeg
	then
	# dump Makefile.am
		echo -e $MAKEFILE_TEMPL > Makefile.am
		cd ffmpeg
	# prepare configure for update
		mv configure configure.gnu.in
	# update the expression for finding ffmpeg's source tree
		cat configure.gnu.in | sed -e 's/configure##/configure.gnu##/g' > configure.gnu.tmp 
	# for some reason beoss audio is enabled by default ?
		cat configure.gnu.tmp | sed -e 's/^audio_beos=\"yes\"/audio_beos=\"no\"/g' > configure.gnu.in
		cat configure.gnu.in  | sed -e 's/extralibs=\"\$extralibs -lbe -lmedia\"/extralibs=\"\$extralibs\"/g' > configure.gnu
	# remove tempfile
		rm configure.gnu.tmp
		rm configure.gnu.in
	# set execution bit
		chmod +x configure.gnu	
	# rename Makefile
		mv Makefile Makefile.gnu

		echo "FFmpeg build setup completed"
	else
		echo "Unable to grab FFmpeg from CVS"
	fi
fi