#!/bin/sh

# Slackware build script for ffmpeg

# Kitchen Sink Build
## includes nearly every codec option
## available according to ./configure

PRGNAM=ffmpeg
VERSION=${VERSION:-3.1.1}
BUILD=${BUILD:-3}
TAG=${TAG:-_SMi}
DOCDIR=${:-/usr/local/share/doc}
MANDIR=${:-/usr/local/man}

if [ x"ENCUDA" == "yes" ]; then
    ENCUDA="--enable-cuda"
else
    ENCUDA=""
fi

if [ x"ENCUDA" == "yes" ]; then
    ENCUVID='--enable-cuvid'
else
    ENCUVID=""
fi

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

# environment sanity checks
TEXI2HTML=$(which texi2html 2>/dev/null)

if [ "$TEXI2HTML" = "" ]; then
  echo "Could not find texi2html! Run this build as a TRUE root user by issuing the command 'su -' (you MUST include the dash). You probably did 'su' by accident."
  exit 1
fi
PKGARCH=$(uname -m)_custom
set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

sed -i 's_DeckLinkAPI.h_/usr/include/decklink/DeckLinkAPI.h_' configure
find . -type f -name "*.h" -exec sed -i 's_include <DeckLinkAPI.h>_include "/usr/include/decklink/DeckLinkAPI.h"_g' {} \;
find . -type f -name "*.cpp" -exec sed -i 's_include <DeckLinkAPI.h>_include "/usr/include/decklink/DeckLinkAPI.h"_g' {} \;
find . -type f -name "*.h" -exec sed -i 's_include <DeckLinkAPIVersion.h>_include "/usr/include/decklink/DeckLinkAPIVersion.h"_g' {} \;
find . -type f -name "*.h" -exec sed -i 's_include <DeckLinkAPIDispatch.cpp>_include "/usr/include/decklink/DeckLinkAPIDispatch.cpp"_g' {} \;
find . -type f -name "*.cpp" -exec sed -i 's_include <DeckLinkAPIDispatch.cpp>_include "/usr/include/decklink/DeckLinkAPIDispatch.cpp"_g' {} \;

SLKCFLAGS="-O2 -fPIC -I/usr/local/include/mxflib -I/usr/include -I/usr/include/decklink -L/usr/lib64" ./configure --arch=x86_64 --prefix=/usr --docdir=$DOCDIR --shlibdir=/usr/lib"$LIBDIRSUFFIX" --libdir=/usr/lib"$LIBDIRSUFFIX" --enable-nonfree  --enable-libfaac --enable-version3 --mandir=$MANDIR --enable-avresample --disable-debug --enable-shared --disable-static --enable-pthreads --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-avfilter --enable-libcdio $CUDA $CUVID --enable-chromaprint --enable-libcelt --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libdc1394 --enable-frei0r --enable-decklink --enable-gcrypt --enable-libgsm --enable-libgme --enable-librtmp --enable-librubberband --enable-libschroedinger --enable-libssh --enable-libsmbclient --enable-libspeex --enable-libmodplug --enable-libvpx --enable-libxvid --enable-openal --enable-libvorbis --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libsnappy --enable-libebur128 --enable-libilbc --enable-ladspa --enable-netcdf --enable-openssl --enable-libopenjpeg --enable-opengl --enable-libopus --enable-libsoxr --enable-libtwolame --enable-libmp3lame --enable-libtesseract --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libv4l2 --enable-libvidstab --enable-libzvbi --enable-libcaca --enable-libbluray --enable-libass --enable-libfdk_aac --enable-libiec61883

echo "configured"

make
make install DESTDIR=$PKG
make install-man DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | \
  grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/$MANDIR -type f -exec gzip -9 {} \;

mkdir -p $PKG/$DOCDIR/$PRGNAM-$VERSION
cp -a doc/*.txt $PKG/$DOCDIR/$PRGNAM-$VERSION
cp -a doc/*.html $PKG/$DOCDIR/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/$DOCDIR/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$PKGARCH-$BUILD$TAG.${PKGTYPE:-txz}