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#!/bin/bash
#************************************************************************
# Copyright (c) 2017 Analog Devices, Inc. All rights reserved.
#************************************************************************
#####################################################################
# Generates inline faust objects for the SHARC Audio Module #
# Gregory Pat Scandalis, moForte, ADI #
# based on faust2api by Romain Michon #
#####################################################################
. faustpath
. faustoptflags
# change if you want to get the log of what's happening
LOG="/dev/null"
#LOG="log"
# exit if a command fails
set -e
# global option variables
NVOICES="0"
#PACKAGENAME="0"
POLY2="0"
MIDI="0"
NODOC="0"
EFFECT=""
echoHelp ()
{
echo ""
echo "faust2sam can be used to generate faust-based dsp objects for the ADI SHARC Audio Module board"
echo ""
echo ""
echo "Global options:"
echo " -midi"
echo " -nvoices <num> : creates a polyphonic object with <num> voices."
echo " -effect <effect.dsp>: adds an effect to the polyphonic synth (this option is ignored if -nvoices is not specified)."
echo ""
}
createAPI ()
{
cp -r $FAUSTLIB/sam/fast_pow2.h $APIFOLDER
cp -r $FAUSTLIB/sam/samFaustDSP.h $APIFOLDER
faust -i -a sam/samFaustDSP.cpp $OPTIONS "$FILE" -o "$APIFOLDER/samFaustDSP.cpp" || exit 1
if [ "$POLY2" = "1" ]; then
faust -i -cn effect -a minimal-effect.cpp $EFFECT | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp" || exit 1
echo "#define POLY2 1" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
fi
if [ "$NVOICES" -gt "0" ]; then
echo "#define NVOICES $NVOICES" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
fi
if [ "$MIDI" = "1" ]; then
echo "#define MIDICTRL 1" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
fi
# These are things that always need to be at the top and bottom
echo "#if USE_FAUST_ALGORITHM" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
echo "#include \"./samFaustDSPCore.h\"" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
echo "#include \"common/audio_system_config.h\"" | cat - "$APIFOLDER/samFaustDSP.cpp" > temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
echo "#endif" >> "$APIFOLDER/samFaustDSP.cpp"
echo "#if USE_FAUST_ALGORITHM" | cat - "$APIFOLDER/samFaustDSP.h" > temp && mv temp "$APIFOLDER/samFaustDSP.h"
echo "#include \"./samFaustDSPCore.h\"" | cat - "$APIFOLDER/samFaustDSP.h" > temp && mv temp "$APIFOLDER/samFaustDSP.h"
echo "#include \"common/audio_system_config.h\"" | cat - "$APIFOLDER/samFaustDSP.h" > temp && mv temp "$APIFOLDER/samFaustDSP.h"
echo "#endif" >> "$APIFOLDER/samFaustDSP.h"
echo "#if USE_FAUST_ALGORITHM" | cat - "$APIFOLDER/fast_pow2.h" > temp && mv temp "$APIFOLDER/fast_pow2.h"
echo "#include \"./samFaustDSPCore.h\"" | cat - "$APIFOLDER/fast_pow2.h" > temp && mv temp "$APIFOLDER/fast_pow2.h"
echo "#include \"common/audio_system_config.h\"" | cat - "$APIFOLDER/fast_pow2.h" > temp && mv temp "$APIFOLDER/fast_pow2.h"
echo "#endif" >> "$APIFOLDER/fast_pow2.h"
# fix things that won't compile on the sharc
cat "$APIFOLDER/samFaustDSP.cpp" | \
sed -e 's/\(std::cerr.*;\)/\/* \1 *\/ /' \
-e 's/std::cout/\/\/std::cout/' \
-e 's/getCPULoad(void/faustGetCPULoad(void/' \
-e 's/std::stringstream/std::ostringstream/' \
-e 's/dynamic_cast/static_cast/' \
> temp && mv temp "$APIFOLDER/samFaustDSP.cpp"
}
# dispatch command arguments
while [ $1 ]
do
p=$1
if [ $p = "-help" ] || [ $p = "-h" ]; then
echoHelp
exit
elif [ "$PACKAGENAME" = "-1" ]; then
PACKAGENAME="$p"
elif [[ -f "$p" ]]; then
FILE="$p"
elif [ "$p" = "-effect" ]; then
POLY2="1"
shift
EFFECT=$1
elif [ "$p" = "-midi" ]; then
MIDI="1"
elif [ $p = "-nvoices" ]; then
shift
NVOICES=$1
elif [ $p = "-package" ]; then
PACKAGENAME="-1"
elif [ ${p:0:1} = "-" ]; then
OPTIONS="$OPTIONS $p"
elif [[ -f "$p" ]]; then
FILES="$FILES $p"
else
OPTIONS="$OPTIONS $p"
fi
shift
done
if [ -z $FILE ]; then
echoHelp
exit 1
fi
###################################
# GENERATING API
###################################
APIFOLDER="${FILE%.*}-sam"
rm -r "$APIFOLDER" 2> /dev/null || true
mkdir "$APIFOLDER"
echo "Your $APIFOLDER.zip package is being created"
createAPI
###################################
# POST PROCESSING
###################################
ZIPOUT="$APIFOLDER.zip"
rm $ZIPOUT 2> /dev/null || true
zip -r $ZIPOUT $APIFOLDER > /dev/null || exit 1
rm -r $APIFOLDER || exit 1
# echos generated files for FaustWorks
echo "$ZIPOUT;"
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