compileCsd method
Implementation
@override
Future<int> compileCsd(String csdPath) {
// TODO: implement compileCsd
Pointer<Utf8> cName = StringUtf8Pointer(csdPath).toNativeUtf8();
int res = csoundAndroidCompileCsd(_cs, cName);
malloc.free(cName);
return Future<int>.value(res);
}