bool STObject::clearFlag (uint32 f)
{
STUInt32* t = dynamic_cast<STUInt32*> (getPField (sfFlags));
if (!t)
return false;
t->setValue (t->getValue () & ~f);
return true;
}
bool STObject::setFlag (std::uint32_t f)
{
STUInt32* t = dynamic_cast<STUInt32*> (getPField (sfFlags, true));
if (!t)
return false;
t->setValue (t->getValue () | f);
return true;
}
void STObject::setFieldVL (SField::ref field, Blob const& v)
{
SerializedType* rf = getPField (field, true);
if (!rf) throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT) rf = makeFieldPresent (field);
STVariableLength* cf = dynamic_cast<STVariableLength*> (rf);
if (!cf) throw std::runtime_error ("Wrong field type");
cf->setValue (v);
}
void STObject::setFieldAccount (SField::ref field, const uint160& v)
{
SerializedType* rf = getPField (field, true);
if (!rf) throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT) rf = makeFieldPresent (field);
STAccount* cf = dynamic_cast<STAccount*> (rf);
if (!cf) throw std::runtime_error ("Wrong field type");
cf->setValueH160 (v);
}
void STObject::setFieldU8 (SField::ref field, unsigned char v)
{
SerializedType* rf = getPField (field, true);
if (!rf) throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT) rf = makeFieldPresent (field);
STUInt8* cf = dynamic_cast<STUInt8*> (rf);
if (!cf) throw std::runtime_error ("Wrong field type");
cf->setValue (v);
}
void STObject::setFieldPathSet (SField::ref field, const STPathSet& v)
{
SerializedType* rf = getPField (field, true);
if (!rf) throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT) rf = makeFieldPresent (field);
STPathSet* cf = dynamic_cast<STPathSet*> (rf);
if (!cf) throw std::runtime_error ("Wrong field type");
(*cf) = v;
}
STObject& STObject::peekFieldObject (SField::ref field)
{
SerializedType* rf = getPField (field, true);
if (!rf)
throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT)
rf = makeFieldPresent (field);
STObject* cf = dynamic_cast<STObject*> (rf);
if (!cf)
throw std::runtime_error ("Wrong field type");
return *cf;
}
void STObject::setAccountID (SField const& field, AccountID const& v)
{
STBase* rf = getPField (field, true);
if (!rf)
throw std::runtime_error ("Field not found");
if (rf->getSType () == STI_NOTPRESENT)
rf = makeFieldPresent (field);
STAccount* cf = dynamic_cast<STAccount*> (rf);
if (!cf)
throw std::runtime_error ("Wrong field type");
cf->setValueH160 (v);
}
int WAVY::setExpression()
{
const PField &field = getPField(8);
const char *fieldstr = field.stringValue(0.0);
// copy expression string to <str>, stripping all white space
const int len = strlen(fieldstr);
char str[len + 1];
char *p = str;
for (int i = 0; i < len; i++) {
const char c = fieldstr[i];
if (!isspace(c))
*p++ = c;
}
str[len] = 0;
// Take care of some common simple cases first, since it's more efficient
// to process them without using the fparser library.
if (strcmp(str, "a") == 0)
setCombineFunc(a);
else if (strcmp(str, "b") == 0)
setCombineFunc(b);
else if (strcmp(str, "a+b") == 0)
setCombineFunc(add);
else if (strcmp(str, "a-b") == 0)
setCombineFunc(subtract);
else if (strcmp(str, "a*b") == 0)
setCombineFunc(multiply);
else {
_fp = new FunctionParser();
// use orig string so char offsets in err msg will be right
int ret = _fp->Parse(fieldstr, "a,b");
if (ret >= 0)
return die("WAVY", "Parser error for expression \"%s\" at character "
"%d ('%c'): %s.",
fieldstr, ret, fieldstr[ret], _fp->ErrorMsg());
#ifdef OPTIMIZE_EXPRESSION
_fp->Optimize();
#endif
}
return 0;
}
int PFSCHED::init(double p[], int n_args)
{
// about ths RTBUFSAMPS+1 nonsense:
// when a PFSCHED note finishes, it de-allocates the PFields associated
// with it. This is generally not a problem (because the 'connected'
// instrument/note drawing from the PField only needs the PField for
// the duration specified in the PFSCHED note), but if the duration is
// less than one RTBUFSAMP then the PFSCHED note will finish and deallocate
// *before* the other instrument gets a chance to read through the
// 'connected' PField. Instead of rewriting a huge amount of the PField
// code to handle the ref counters, etc. I just make sure that the
// PFSCHED note will last at least one buffer longer than the time
// computed for the PField to be read. Almost no additional load
// on the CPU, see the run() method below.
if (rtsetoutput(p[0], p[1]+((double)(RTBUFSAMPS+1)/SR), this) == -1)
return DONT_SCHEDULE;
// if set_dq_flag is 1, then the dqflag of pfbusses[] will be set to
// signal de-queuing at end of this duration/envelope
if (n_args > 4) set_dq_flag = 1;
else set_dq_flag = 0;
pfbus = p[2];
if (pfbus_is_connected[pfbus] != 1) {
rterror("PFSCHED", "pfbus %d not connected", pfbus);
return DONT_SCHEDULE;
}
pfbusses[pfbus].drawflag = 0; // the 'connected' note will read when == 1
// pfbusses[pfbus].thepfield = &((*_pfields)[3]);
// pfbusses[pfbus].thepfield = &(getPField(3)); // this is the PField to read
PFSCHEDpfield = &(getPField(3)); // this is the PField to read
// set the other fields in ::run in case multiple PFSCHEDs on one pfbus
firsttime = 1;
return nSamps();
}
FiltType FOLLOWBUTTER :: getFiltType(bool trystring)
{
double index = (double) currentFrame() / nSamps();
const PField &field = getPField(7);
// must try int first, since a valid code cast to char * will crash strncmp
int code = field.intValue(index) - 1; // NB: user codes are 1-based
if ((code < LowPass || code > BandReject) && trystring) {
const char *str = field.stringValue(index);
code = _string_to_filtcode(str); // -1 if no match
if (code != -1)
filttype_was_string = true;
}
FiltType filttype;
switch (code) {
case 0: filttype = LowPass; break;
case 1: filttype = HighPass; break;
case 2: filttype = BandPass; break;
case 3: filttype = BandReject; break;
default: filttype = FiltInvalid; break;
}
return filttype;
}
OeqType MULTEQ :: getEQType(bool trystring, int pfindex)
{
double index = (double) currentFrame() / nSamps();
const PField &field = getPField(pfindex);
// must try int first, since a valid code cast to char * will crash strncmp
int code = field.intValue(index);
if (trystring && (code < 0 || code > 4)) {
const char *str = field.stringValue(index);
code = _string_to_eqcode(str); // -1 if no match
}
OeqType eqtype;
switch (code) {
case 0: eqtype = OeqLowPass; break;
case 1: eqtype = OeqHighPass; break;
case 2: eqtype = OeqLowShelf; break;
case 3: eqtype = OeqHighShelf; break;
case 4: eqtype = OeqPeaking; break;
case 5: eqtype = OeqBandPassCSG; break;
default: eqtype = OeqInvalid; break;
}
return eqtype;
}
int SHAPE :: init(double p[], int n_args)
{
nargs = n_args;
float outskip = p[0];
float inskip = p[1];
float dur = p[2];
amp = p[3];
min_index = p[4];
max_index = p[5];
int ampnorm_genno = (int) p[6];
inchan = n_args > 7 ? (int) p[7] : 0; /* default is chan 0 */
if (n_args < 7)
return die("SHAPE", "Needs at least 7 arguments.");
if (rtsetoutput(outskip, dur, this) == -1)
return DONT_SCHEDULE;
if (rtsetinput(inskip, this) == -1)
return DONT_SCHEDULE;
if (inchan >= inputChannels())
return die("SHAPE", "You asked for channel %d of a %d-channel file.",
inchan, inputChannels());
if (max_index < min_index)
return die("SHAPE",
"Max. distortion index must not be less than min. index.");
double *function = floc(1);
if (function) {
int len = fsize(1);
amp_table = new TableL(SR, dur, function, len);
}
function = NULL;
int tablelen = 0;
if (n_args > 9) { // handle table coming in as optional p9 TablePField
function = (double *) getPFieldTable(9, &tablelen);
}
if (function == NULL) {
function = floc(2);
if (function == NULL)
return die("SHAPE", "Either use the transfer function pfield (p9) "
"or make an old-style gen function in slot 2.");
tablelen = fsize(2);
}
shaper = new WavShape();
shaper->setTransferFunc(function, tablelen);
function = NULL;
if (n_args < 11) { // no p10 guide PField, must use gen table
function = floc(3);
if (function) {
int len = fsize(3);
index_table = new TableL(SR, dur, function, len);
}
else
rtcmix_advise("SHAPE", "Setting distortion index curve to all 1's.");
}
/* Construct the <ampnorm> WavShape object if (1) p6 is a TablePField, or
(2) if p6 is non-zero, in which case use p6 as the gen slot for the
amp norm function. If p6 is zero, then don't construct <ampnorm>.
*/
function = NULL;
const PField &field = getPField(6);
tablelen = field.values();
function = (double *) field;
if (function == NULL) { // no table pfield
if (ampnorm_genno > 0) {
function = floc(ampnorm_genno);
if (function == NULL)
return die("SHAPE", "You specified table %d as the amplitude "
"normalization function, but you didn't create the table.",
ampnorm_genno);
tablelen = fsize(ampnorm_genno);
}
}
if (function) {
ampnorm = new WavShape();
ampnorm->setTransferFunc(function, tablelen);
}
dcblocker = new DCBlock();
skip = (int) (SR / (float) resetval);
return nSamps();
}