#!/bin/bash

# Slackware build script for ffmpeg

# Copyright 2010-2017  Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2017, 2018  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# 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.

# Originally written by core (eroc@linuxmail.org)
# Modified by Robby Workman <rworkman@slackbuilds.org>

# Included in Slint by Didier Spaier didieratslintdotfr
# Note enabling lensfun or opencv fail? Maybe try again with ffmpeg5...

#Pour opencv essayer un symlink...
cd $(dirname $0) ; CWD=$(pwd)

PKGNAM=ffmpeg
VERSION=5.1.2
BUILD=${BUILD:-1slint}
SRCNAM=ffmpeg
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=$CWD
PKG=$TMP/package-$PKGNAM

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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

# If PulseAudio is not found, use the _alsa $TAG and disable it in the build:
if [ ! -r /usr/lib${LIBDIRSUFFIX}/pkgconfig/libpulse.pc ]; then
  TAG="_alsa"
  PULSEAUDIO=no
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.txz"
  exit 0
fi

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xf $CWD/$SRCNAM-$VERSION.tar.xz || exit 1
cd $SRCNAM-$VERSION || exit 1

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+

# Fix linking with flite:
sed -i "s| -lflite\"| -lflite -lm -lasound\"|" configure || exit 1

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --shlibdir=/usr/lib${LIBDIRSUFFIX} \
  --docdir=/usr/doc/$PKGNAM-$VERSION/html \
  --mandir=/usr/man \
  --disable-debug \
  --disable-static \
  --enable-shared \
  --enable-encoder=aac \
  --enable-fontconfig \
  --enable-frei0r \
  --enable-gcrypt \
  --enable-gpl \
  --enable-ladspa \
  --enable-libaom \
  --enable-libass \
  --enable-libbluray \
  --enable-libbs2b \
  --enable-libcaca \
  --enable-libcdio \
  --enable-libcelt \
  --enable-libcodec2 \
  --enable-libdav1d \
  --enable-libdc1394 \
  --enable-libdrm \
  --enable-libfdk-aac \
  --enable-libflite \
  --enable-libfreetype \
  --enable-libfribidi \
  --enable-libgme \
  --enable-libgsm \
  --enable-libiec61883 \
  --enable-libilbc \
  --enable-libglslang \
  --enable-libjack \
  --enable-libmodplug \
  --enable-libmp3lame \
  --enable-libopencore-amrnb \
  --enable-libopencore-amrwb \
  --enable-libopenjpeg \
  --enable-libopus \
  --enable-libplacebo \
  --enable-libpulse \
  --enable-librsvg \
  --enable-librtmp \
  --enable-librubberband \
  --enable-libsmbclient \
  --enable-libsnappy \
  --enable-libsoxr \
  --enable-libspeex \
  --enable-libsrt \
  --enable-libssh \
  --enable-libtesseract \
  --enable-libtheora \
  --enable-libtwolame \
  --enable-libv4l2 \
  --enable-libvidstab \
  --enable-libvorbis \
  --enable-libvpx \
  --enable-libwebp \
  --enable-libx264 \
  --enable-libx265 \
  --enable-libxml2 \
  --enable-libxvid \
  --enable-libxml2 \
  --enable-libzimg \
  --enable-libzmq \
  --enable-libzvbi \
  --enable-lv2 \
  --enable-nonfree \
  --enable-openal \
  --enable-opencl \
  --enable-opengl \
  --enable-openssl \
  --enable-shared \
  --enable-vapoursynth \
  --enable-version3

#libtls...
#chromaprint: circular dep?

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
make install-man DESTDIR=$PKG || exit 1

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/usr/man -type f -exec gzip -9 {} \+

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/txt
cp -a \
  Changelog COPYING* CREDITS INSTALL* LICENSE* MAINTAINERS README* \
  RELEASE VERSION \
  $PKG/usr/doc/$PKGNAM-$VERSION
cp -a doc/*.txt $PKG/usr/doc/$PKGNAM-$VERSION/txt/
find . -name "RELEASE_NOTES" -exec cp -a {} $PKG/usr/doc/$PKGNAM-$VERSION/ \;

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

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

cd $PKG

  local f
  for f in usr/lib64/ffmpeg5.1/*; do
    if [[ $f == *.so ]]; then
      ln -srf -- usr/lib/"$(readlink "$f")" "$f"
    elif [[ ! -d $f ]]; then
      mv "$f" usr/lib
    fi
  done

/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.txz