#!/bin/sh

# Slackware build script for ffmpeg

# Copyright 2010-2015 Heinz Wiesinger, Amsterdam, The Netherlands
# 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>

# Modified again by Eric Fernandes Ferreira <candelabrus@gmail.com> for my personal Audio Project

PRGNAM=ffmpeg
VERSION=${VERSION:-3.4.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

wget -c http://ffmpeg.org/releases/$PRGNAM-$VERSION.tar.bz2

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

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

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 .
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 {} \;

# --enable-avisynth \
# --enable-librtmp \
# --enable-libopencore_amrnb \
# --enable-libopencore_amrwb \
# --enable-libvo-aacenc \
# --enable-libfaac \
# --enable-libschroedinger \

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --shlibdir=/usr/lib${LIBDIRSUFFIX} \
  --docdir=/usr/doc/$PRGNAM-$VERSION/html \
  --mandir=/usr/man \
  --disable-debug \
  --disable-static \
  --disable-cuda \
  --disable-cuvid \
  --disable-nvenc \
  --disable-avx2 \
  --disable-fma3 \
  --disable-fma4 \
  --disable-xop \
  --disable-amd3dnow \
  --disable-amd3dnowext \
  --enable-shared \
  --enable-pthreads \
  --enable-libtheora \
  --enable-libvorbis \
  --enable-gpl \
  --enable-version3 \
  --enable-gnutls \
  --enable-libcdio \
  --enable-libssh \
  --enable-libcaca \
  --enable-libsmbclient \
  --enable-opengl \
  --enable-libmp3lame \
  --enable-libx264 \
  --enable-libxvid \
  --enable-openal \
  --enable-nonfree \
  --enable-libpulse \
  --enable-libfontconfig \
  --enable-libfreetype \
  --enable-libwavpack \
  --enable-openssl \
  --enable-libopus \
  --enable-libfribidi \
  --enable-libbluray \
  --enable-libx265 \
  --enable-libass \
  --enable-libgsm \
  --enable-ladspa \
  --enable-bzlib \
  --enable-zlib \
  --enable-libtwolame \
  --enable-libmodplug \
  --enable-libvpx \
  --enable-avresample \
  --enable-hardcoded-tables \
  --enable-lzma \
  --enable-sdl2 \
  --enable-vaapi \
  --enable-vdpau \
  --enable-xlib \
  --enable-libxcb \
  --enable-libbs2b \
  --enable-libspeex \
  --enable-libv4l2 \
  --enable-libopenjpeg \
  --enable-libgme \
  --enable-libwebp \
  --enable-gmp \
  --enable-libdrm \
  --enable-librsvg \
  --enable-opencl \
  --arch=$ARCH

make -j5
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/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/txt
cp -a CONTRIBUTING* COPYING* CREDITS Changelog INSTALL* LICENSE* MAINTAINERS \
README* RELEASE* VERSION $PKG/usr/doc/$PRGNAM-$VERSION
cp -a doc/*.txt $PKG/usr/doc/$PRGNAM-$VERSION/txt/
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$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-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}