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#! /bin/bash -e
#############################################################################################################
# #
# Compiles Faust programs to Android libraries for the Unity environment #
# suitable for armeabi-v7a and x86 Android architectures #
# #
# (c) Grame, 2017 #
# #
#############################################################################################################
# This script shouldn't be used on its own, use the "faust2unity" script instead
# The libraries are firstly wrapped by the unityplugin.cpp architecture file
# They have to be used in the Unity environment
# The libraries does not work by themselves, they need the FaustPlugin_<dspname>.cs and FaustUtilities_<dspname>.cs files to be functionnal
# These files are automatically generated by the "faust2unity" script
. faustpath
NVOICES=-1
ANDROID_MK=Android.mk
#-------------------------------------------------------------------
# Dispatch command arguments
SOURCE="0"
while [ $1 ]
do
p=$1
if [ $p = "-help" ] || [ $p = "-h" ]; then
echo "faust2androidunity [-nvoices <num>] [additional Faust options (-vec -vs 8...)] <file1.dsp> [<file2.dsp>]"
echo "Creates android libraries (armeabi-v7a and x86) for faust unity plugin."
echo "Android sdk should be installed. Make sure the ANDROID_HOME environment variable is correctly set up. It should be pointing to the sdk folder."
echo "Use 'faust2unity -android' to also create the c# and JSON files"
echo "Use '-nvoices <num>' to produce a polyphonic self-contained DSP with <num> voices, ready to be used with MIDI"
echo "If you need other android architectures, open architecture/unity/Android/Application.mk and modify APP_ABI."
echo "See architecture/unity/README.md for more info or in the compile folder"
exit
fi
if [ $p = "-nvoices" ]; then
shift
NVOICES=$1
ANDROID_MK=AndroidPoly.mk
elif [ ${p:0:1} = "-" ]; then
OPTIONS="$OPTIONS $p"
elif [[ -f "$p" ]]; then
FILES="$FILES $p"
else
OPTIONS="$OPTIONS $p"
fi
shift
done
#-------------------------------------------------------------------
# compiles the *.dsp files
for p in $FILES; do
CUR=$(pwd)
f=$(basename "$p")
NAME=${f%.dsp}
FNAME=FaustPlugin_$NAME
SRCDIR=$(dirname "$p")
FIN=$FNAME/Android
# creates a temporary dir
TMP=$(mktemp -d android.XXXX)
# checks if final dir exists
if [ ! -d "$FIN" ]; then
mkdir -p "$FIN"
fi
# compiles faust to c++
faust -i -a $FAUSTLIB/unity/unityplugin.cpp $OPTIONS "$SRCDIR/$f" -o "$TMP/$NAME.cpp" || (echo "$f : Faust to C++ compilation failed in faust2androidunity"; exit 1)
# compiles c++ to binary
cd "$TMP"
# Android.mk and Application.mk contains the compilation settings.
# They are moved to the working directory for compilation then deleted
cp -r "$FAUSTLIB/unity/Android/$ANDROID_MK" "Android.mk"
cp -r "$FAUSTLIB/unity/Android/Application.mk" "Application.mk"
$ANDROID_HOME/ndk-bundle/ndk-build NDK_PROJECT_PATH=. NDK_APPLICATION_MK=Application.mk FILE=$NAME > /dev/null || (echo "$f : C++ to armeabi-v7a and x86 library compilations failed in faust2androidunity"; exit 1)
rm -rf "Android.mk"
rm -rf "Application.mk"
rm -rf "obj"
rm -rf "$NAME.cpp"
cd ..
# moves binaries to final dir and deletes libs/
mv $TMP/libs/* $TMP
rm -rf $TMP/libs
mv $TMP/* $FIN/
rm -rf $TMP
echo "$f : Android armeabi-v7a and x86 compilations completed"
done
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