#!/bin/sh
# Heavily based on the Slackware 13.1 SlackBuild
# http://gpac.sourceforge.net
# Packagers Andrea Sciucca  ( gohanz at infinito.it)
# http://www.slacky.eu
#
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Required: a52dec, dirac, faac, faad2, ffmpeg, freeglut, jack-audio-connection-kit, lame
# Required: libva, libvpx, opencore-amr, openjpeg, libgsm, openjpeg, orc, schroedinger, speex, x264, xvidcore
#
# Exit on most errors
set -e



# Set variables:
CWD=`pwd`
OUTPUT=${OUTPUT:-$CWD}
PKGNAME=gpac
TMP=${TMP:-/tmp/txz/$PKGNAME}
PKG=$TMP/package
VERSION=${VERSION:-0.4.5}
ARCH=${ARCH:-i486}
JOBS=${JOBS:--j2}
BUILD=${BUILD:-3}
TAG=${TAG:-sl}

# Download sorce tarball if still not present
SOURCE="http://puzzle.dl.sourceforge.net/sourceforge/gpac/$PKGNAME-$VERSION.tar.gz"

if [ ! -e $CWD/$PKGNAME-$VERSION.tar.gz ]; then
 wget $SOURCE
fi

# Set compiling FLAGS
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i486"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"; SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"; CHOST="x86_64"
fi

# Create building directory
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

# Decompress the source tarball
cd $TMP
tar xvzf $CWD/$PKGNAME-$VERSION.tar.gz

echo -e "\E[0;32m+-----------------------+\E[0;0m"
echo -e "\E[0;32m| Start SlackBuild GPAC |\E[0;0m"
echo -e "\E[0;32m+-----------------------+\E[0;0m"

# Adjust permissions and ownerships
cd $PKGNAME
( cd src/media_tools; patch -p0 < $CWD/libpng-infopp-null.patch )
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

chmod u+x ./configure
# Building GPAC  package
./configure --prefix=/usr \
  --mandir=/usr/man \
  --mozdir=/usr/lib/seamonkey \
  --disable-opt \
  --disable-wx \
  --cpu=${ARCH} \
  --extra-cflags="$SLKCFLAGS" \
  --disable-ipv6 
echo -e "\E[0;32mPress any key to build the package!\E[0;0m"
read
make $JOBS
make install DESTDIR=$PKG

ln -s MP4Box $PKG/usr/bin/mp4box
ln -s MP4Client $PKG/usr/bin/mp4client


# Strip binaries and shared objects, if present
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)


#Add documentation files: readme, changelog and so on
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild
cp -a AUTHORS BUGS COPYING Changelog INSTALLME README TODO \
$PKG/usr/doc/$PKGNAME-$VERSION
chmod 644 $PKG/usr/doc/$PKGNAME-$VERSION/*


#mkdir -p $PKG/usr/share/{applications,pixmaps}
#cp    -a  $CWD/osmo4.png $PKG/usr/share/pixmaps

#cat << EOF > $PKG/usr/share/applications/Osmo4.desktop
#[Desktop Entry]
#Type=Application
#Encoding=UTF-8
#Name=Osmo4
#Name[it]=Osmo4
#GenericName=MPEG-4 player 
#GenericName[it]=Lettore multimediale MPEG-4
#Comment=GPAC 2D MPEG-4 player 
#Icon=/usr/share/pixmaps/osmo4.png
#Exec=Osmo4
#Terminal=false
#Categories=AudioVideo;Player;
#EOF


# Also add the slack-desk file and this slackbuild to the package
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-desc
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$PKGNAME.SlackBuild



# Compress the man pages if present
if [ -d $PKG/usr/man ]; then
    ( cd $PKG/usr/man
      find . -type f -exec gzip -9 {} \;
      for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
    )
fi


cd $PKG
chown -R root:root $PKG
if [ -x /usr/bin/requiredbuilder ];then
requiredbuilder -y -v -b -s  $CWD $PKG
fi
# Create txz package
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}


# Cleanup if enabled
if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi