#!/bin/bash
# install ffmpeg
set -e

ROOTDIR=${ZZROOT:-$HOME/app}
NAME="ffmpeg"
TYPE=".tar.gz"
VERSION="4.3.2"
FILE="$NAME-$VERSION$TYPE"
DOWNLOADURL="https://www.ffmpeg.org/releases/ffmpeg-4.3.2.tar.gz"
echo $NAME will be installed in "$ROOTDIR"
echo install nasm, yasm, libx264, libx265, libvpx

mkdir -p "$ROOTDIR/downloads"
cd "$ROOTDIR"

if [ -f "downloads/$FILE" ]; then
    echo "downloads/$FILE exist"
else
    echo "$FILE does not exist, downloading from $DOWNLOADURL"
    wget $DOWNLOADURL -O $FILE
    mv $FILE downloads/
fi

mkdir -p src/$NAME
tar xf downloads/$FILE -C src/$NAME --strip-components 1

cd src/$NAME

export CFLAGS="-I$ROOTDIR/include"
export CPPFLAGS="-I$ROOTDIR/include"
export LDFLAGS="-L$ROOTDIR/lib"
export PKG_CONFIG_PATH="$ROOTDIR/lib/pkgconfig:$ROOTDIR/share/pkgconfig:"$PKG_CONFIG_PATH

./configure \
    --prefix="$ROOTDIR" \
    --extra-libs=-lpthread \
    --extra-libs=-lm \
    --enable-gpl \
    --enable-libx264 \
    --enable-libx265 \
    --enable-libvpx \
    --enable-nonfree \
    --enable-pic \
    --enable-shared
make -j"$(nproc)" && make install

echo $NAME installed on "$ROOTDIR"