1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#!/bin/bash
#-------------------------------------------------------------------
# Wrapping resources
CODE_WRAPPER=""
JS_WRAPPER=""
COMB="false"
COMB_SRC=
COMB_EXPORTED=
COMB_WRAPPED=
COMB_WRAPPED_FILES=
COMB_SEP=
EMCC="false"
POLY="false"
EXPORTED_MONO="['_"$name"_constructor','_"$name"_destructor','_"$name"_getSampleRate','_"$name"_init','_"$name"_instanceInit','_"$name"_instanceConstants','_"$name"_instanceResetUserInterface','_"$name"_instanceClear','_"$name"_compute','_"$name"_getNumInputs','_"$name"_getNumOutputs','_"$name"_setParamValue','_"$name"_getParamValue','_"$name"_getJSON']"
EXPORTED_POLY="['_"$name"_poly_constructor','_"$name"_poly_destructor','_"$name"_poly_getSampleRate','_"$name"_poly_init','_"$name"_poly_instanceInit','_"$name"_poly_instanceConstants','_"$name"_poly_instanceResetUserInterface','_"$name"_poly_instanceClear','_"$name"_poly_compute','_"$name"_poly_getNumInputs','_"$name"_poly_getNumOutputs','_"$name"_poly_setParamValue','_"$name"_poly_getParamValue','_"$name"_poly_getJSON','_"$name"_poly_keyOn','_"$name"_poly_keyOff','_"$name"_poly_allNotesOff','_"$name"_poly_ctrlChange','_"$name"_poly_pitchWheel']"
#-------------------------------------------------------------------
# Set Faust include path
if [ -f $FAUST_LIB_PATH/music.lib ]
then
FAUSTLIB=$FAUST_LIB_PATH
elif [ -f /usr/local/share/faust/music.lib ]
then
FAUSTLIB=/usr/local/share/faust/
elif [ -f /usr/share/faust/music.lib ]
then
FAUSTLIB=/usr/share/faust/
else
echo "$0: Cannot find Faust library dir (usually /usr/local/share/faust)"
fi
#-------------------------------------------------------------------
# Analyze command arguments :
# faust options -> OPTIONS
# existing *.dsp files -> FILES
#
for p in $@; do
if [ $p = "-help" ] || [ $p = "-h" ]; then
echo "faust2asmjs [-poly] [-comb] [-emcc] <file.dsp>"
echo "Use '-poly' to produce a polyphonic DSP, ready to be used with MIDI events"
echo "Use '-comb' to combine several DSP in a unique resulting 'comb.js' file, sharing the same Emscripten runtime"
echo "Use '-emcc' to compile C++ generated code to asm.js with Emscripten, otherwise the internal asm.js backend is used"
exit
elif [ $p = "-comb" ]; then
COMB="true"
elif [ $p = "-poly" ]; then
POLY="true"
elif [ $p = "-emcc" ]; then
EMCC="true"
elif [ ${p:0:1} = "-" ]; then
OPTIONS="$OPTIONS $p"
elif [[ -e "$p" ]]; then
FILES="$FILES $p"
else
OPTIONS="$OPTIONS $p"
fi
done
#-------------------------------------------------------------------
# Set the compilation wrapping files depending of the compilation options
#
if [ $POLY = true ]; then
if [ $EMCC = "true" ]; then
echo "Compiled with 'emcc' in polyphonic mode"
CODE_WRAPPER=webaudio-asm-poly.cpp
JS_WRAPPER=webaudio-asm-poly-emcc.js
else
echo "Compiled with 'asm.js' backend in polyphonic mode"
CODE_WRAPPER=webaudio-asm-poly-standalone-wrapper.js
fi
else
if [ $EMCC = "true" ]; then
echo "Compiled with 'emcc'"
CODE_WRAPPER=webaudio-asm.cpp
JS_WRAPPER=webaudio-asm-emcc.js
else
echo "Compiled with 'asm.js' backend"
CODE_WRAPPER=webaudio-asm-standalone-wrapper.js
fi
fi
#-------------------------------------------------------------------
# compile the *.dsp files
#
BINARIES=""
if [ $COMB = "false" ]; then
for f in $FILES; do
name=$(basename "$f" .dsp)
# compile the Faust DSP to C++ or asm.js code
if [ $EMCC = "true" ]; then
faust -a $FAUSTLIB/webaudio/$CODE_WRAPPER -i -uim -cn $name $OPTIONS $f -o $name.cpp || exit
else
faust -lang ajs -a $FAUSTLIB/webaudio/$CODE_WRAPPER -cn $name $OPTIONS $f -o $name.js || exit
fi
if [ $EMCC = "true" ]; then
# prepare emcc compilation files
if [ $POLY = false ]; then
EXPORTED=EXPORTED_MONO
else
EXPORTED=EXPORTED_POLY
fi
# compile the C++ code to asm.js
emcc -O3 --memory-init-file 0 $name.cpp -s TOTAL_MEMORY=100663296 --post-js $FAUSTLIB/webaudio/$JS_WRAPPER -o $name-temp.js -s EXPORTED_FUNCTIONS=$EXPORTED || exit
# compose the asm.js code
sed -e "s/DSP/"$name"/g" $name-temp.js > $name.js
rm $name-temp.js
rm $name.cpp
fi
# collect binary file name
BINARIES="$BINARIES$name.js;"
done
else
echo "Compiled with 'comb' mode"
for f in $FILES; do
name=$(basename "$f" .dsp)
# compile the Faust DSP to C++ or asm.js code
if [ $EMCC = "true" ]; then
faust -a $FAUSTLIB/webaudio/$CODE_WRAPPER -i -uim -cn $name $OPTIONS $f -o $name.cpp || exit
else
faust -lang ajs -a $FAUSTLIB/webaudio/$CODE_WRAPPER -cn $name $OPTIONS $f -o $name-temp.js || exit
fi
if [ $EMCC = "true" ]; then
# prepare emcc compilation files
if [ $POLY = false ]; then
EXPORTED=EXPORTED_MONO
else
EXPORTED=EXPORTED_POLY
fi
# compose the asm.js code
sed -e "s/DSP/"$name"/g" $FAUSTLIB/webaudio/$JS_WRAPPER > $name-wrapper.js
COMB_SRC+=$name.cpp
COMB_SRC+=" "
COMB_EXPORTED+=$COMB_SEP$EXPORTED
COMB_SEP=","
COMB_WRAPPED_FILES+=$name-wrapper.js
COMB_WRAPPED_FILES+=" "
COMB_WRAPPED+=" --post-js "
COMB_WRAPPED+=$name-wrapper.js
else
echo $name-temp.js
cat $name-temp.js >> comb.js
rm $name-temp.js
fi
done
if [ $EMCC = "true" ]; then
# compile final file
emcc -O2 --memory-init-file 0 $COMB_SRC -s TOTAL_MEMORY=100663296 $COMB_WRAPPED -o comb.js \
-s EXPORTED_FUNCTIONS="["$COMB_EXPORTED"]" || exit
rm $COMB_SRC
rm $COMB_WRAPPED_FILES
fi
# collect binary file name
BINARIES="comb.js;"
fi
echo $BINARIES
|
