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|
//=========================================================
// MusE
// Linux Music Editor
// $Id: ctrl.cpp,v 1.1.2.4 2009/06/10 00:34:59 terminator356 Exp $
//
// controller handling for mixer automation
//
// (C) Copyright 2003 Werner Schweer (ws@seh.de)
// (C) Copyright 2011 Time E. Real (terminator356 on users dot sourceforge dot net)
//=========================================================
#include <QLocale>
#include <QColor>
//#include <stdlib.h>
#include "gconfig.h"
#include "fastlog.h"
#include "math.h"
#include "globals.h"
#include "ctrl.h"
#include "xml.h"
#include "audio.h"
void CtrlList::initColor(int i)
{
QColor collist[] = { Qt::red, Qt::yellow, Qt::blue , Qt::black, Qt::white, Qt::green };
if (i < 6)
_displayColor = collist[i%6];
else
_displayColor = Qt::green;
_visible = false;
}
//---------------------------------------------------------
// CtrlList
//---------------------------------------------------------
CtrlList::CtrlList(int id)
{
_id = id;
_default = 0.0;
_curVal = 0.0;
_mode = INTERPOLATE;
_dontShow = false;
initColor(id);
}
//---------------------------------------------------------
// CtrlList
//---------------------------------------------------------
CtrlList::CtrlList(int id, QString name, double min, double max, CtrlValueType v, bool dontShow)
{
_id = id;
_default = 0.0;
_curVal = 0.0;
_mode = INTERPOLATE;
_name = name;
_min = min;
_max = max;
_valueType = v;
_dontShow = dontShow;
initColor(id);
}
//---------------------------------------------------------
// CtrlList
//---------------------------------------------------------
CtrlList::CtrlList()
{
_id = 0;
_default = 0.0;
_curVal = 0.0;
_mode = INTERPOLATE;
_dontShow = false;
initColor(0);
}
//---------------------------------------------------------
// value
//---------------------------------------------------------
double CtrlList::value(int frame) const
{
// Changed by Tim. p4.0.32...
///if (!automation || empty())
/// return _curVal;
if(empty())
return _curVal;
double rv;
ciCtrl i = upper_bound(frame); // get the index after current frame
if (i == end()) { // if we are past all items just return the last value
///ciCtrl i = end();
--i;
///const CtrlVal& val = i->second;
///_curVal = val.val;
rv = i->second.val;
}
else if(_mode == DISCRETE)
{
if(i == begin())
{
///_curVal = _default;
//if(i->second.frame == frame)
rv = i->second.val;
//else
// rv = _default;
}
else
{
--i;
///const CtrlVal& val = i->second;
///_curVal = val.val;
rv = i->second.val;
}
}
else {
///int frame2 = i->second.frame;
///double val2 = i->second.val;
///int frame1;
///double val1;
if (i == begin()) {
///frame1 = 0;
///val1 = _default;
rv = i->second.val;
}
else {
int frame2 = i->second.frame;
double val2 = i->second.val;
--i;
///frame1 = i->second.frame;
///val1 = i->second.val;
int frame1 = i->second.frame;
double val1 = i->second.val;
///}
//printf("before val1=%f val2=%f\n", val1,val2);
if (_valueType == VAL_LOG) {
val1 = 20.0*fast_log10(val1);
if (val1 < config.minSlider)
val1=config.minSlider;
val2 = 20.0*fast_log10(val2);
if (val2 < config.minSlider)
val2=config.minSlider;
}
//printf("after val1=%f val2=%f\n", val1,val2);
frame -= frame1;
val2 -= val1;
frame2 -= frame1;
val1 += (double(frame) * val2)/double(frame2);
if (_valueType == VAL_LOG) {
val1 = exp10(val1/20.0);
}
//printf("after val1=%f\n", val1);
///_curVal = val1;
rv = val1;
}
}
// printf("autoVal %d %f\n", frame, _curVal);
///return _curVal;
return rv;
}
//---------------------------------------------------------
// curVal
// returns the value at the current audio position
//---------------------------------------------------------
double CtrlList::curVal() const
{
//double v = value(Pos(audio->tickPos()).frame()); // p4.0.33
//double v = value(audio->pos().frame()); // Try this.
//return v;
return _curVal;
}
//---------------------------------------------------------
// setCurVal
//---------------------------------------------------------
void CtrlList::setCurVal(double val)
{
_curVal = val;
//if (size() < 2) // Removed p4.0.32
// add(0,val);
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void CtrlList::add(int frame, double val)
{
// printf("add %d %f\n", frame, val);
iCtrl e = find(frame);
if (e != end())
e->second.val = val;
else
insert(std::pair<const int, CtrlVal> (frame, CtrlVal(frame, val)));
}
//---------------------------------------------------------
// del
//---------------------------------------------------------
void CtrlList::del(int frame)
{
iCtrl e = find(frame);
if (e == end()) {
//printf("CtrlList::del(%d): not found\n", frame);
return;
}
erase(e);
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void CtrlList::read(Xml& xml)
{
QLocale loc = QLocale::c();
bool ok;
for (;;) {
Xml::Token token = xml.parse();
const QString& tag = xml.s1();
switch (token) {
case Xml::Error:
case Xml::End:
return;
case Xml::Attribut:
if (tag == "id")
{
//_id = xml.s2().toInt();
_id = loc.toInt(xml.s2(), &ok);
if(!ok)
printf("CtrlList::read failed reading _id string: %s\n", xml.s2().toLatin1().constData());
}
else if (tag == "cur")
{
//_curVal = xml.s2().toDouble();
_curVal = loc.toDouble(xml.s2(), &ok);
if(!ok)
printf("CtrlList::read failed reading _curVal string: %s\n", xml.s2().toLatin1().constData());
}
else if (tag == "visible")
{
_visible = loc.toInt(xml.s2(), &ok);
if(!ok)
printf("CtrlList::read failed reading _visible string: %s\n", xml.s2().toLatin1().constData());
}
else if (tag == "color")
{
#if QT_VERSION >= 0x040700
ok = _displayColor.isValidColor(xml.s2());
if (!ok) {
printf("CtrlList::read failed reading color string: %s\n", xml.s2().toLatin1().constData());
break;
}
#endif
_displayColor.setNamedColor(xml.s2());
}
else
printf("unknown tag %s\n", tag.toLatin1().constData());
break;
case Xml::Text:
{
// Changed by Tim. Users in some locales reported corrupt reading,
// because of the way floating point is represented (2,3456 not 2.3456).
/*
QByteArray ba = tag.toLatin1();
const char* s = ba;.constData();
int frame;
double val;
for (;;) {
char* endp;
while (*s == ' ' || *s == '\n')
++s;
if (*s == 0)
break;
frame = strtol(s, &endp, 10);
s = endp;
while (*s == ' ' || *s == '\n')
++s;
val = strtod(s, &endp);
add(frame, val);
s = endp;
++s;
}
*/
//printf("CtrlList::read tag:%s\n", tag.toLatin1().constData());
int len = tag.length();
int frame;
double val;
int i = 0;
for(;;)
{
while(i < len && (tag[i] == ',' || tag[i] == ' ' || tag[i] == '\n'))
++i;
if(i == len)
break;
QString fs;
while(i < len && tag[i] != ' ')
{
fs.append(tag[i]);
++i;
}
if(i == len)
break;
// Works OK, but only because if current locale fails it falls back on 'C' locale.
// So, let's skip the fallback and force use of 'C' locale.
//frame = fs.toInt(&ok);
frame = loc.toInt(fs, &ok);
if(!ok)
{
printf("CtrlList::read failed reading frame string: %s\n", fs.toLatin1().constData());
break;
}
while(i < len && (tag[i] == ' ' || tag[i] == '\n'))
++i;
if(i == len)
break;
QString vs;
while(i < len && tag[i] != ' ' && tag[i] != ',')
{
vs.append(tag[i]);
++i;
}
// Works OK, but only because if current locale fails it falls back on 'C' locale.
// So, let's skip the fallback and force use of 'C' locale.
//val = vs.toDouble(&ok);
val = loc.toDouble(vs, &ok);
if(!ok)
{
printf("CtrlList::read failed reading value string: %s\n", vs.toLatin1().constData());
break;
}
//printf("CtrlList::read i:%d len:%d fs:%s frame %d: vs:%s val %f \n", i, len, fs.toLatin1().constData(), frame, vs.toLatin1().constData(), val);
add(frame, val);
if(i == len)
break;
}
}
break;
case Xml::TagEnd:
if (xml.s1() == "controller")
{
//printf("CtrlList::read _id:%d _curVal:%f\n", _id, _curVal);
return;
}
default:
break;
}
}
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void CtrlListList::add(CtrlList* vl)
{
// printf("CtrlListList(%p)::add(id=%d) size %d\n", this, vl->id(), size());
insert(std::pair<const int, CtrlList*>(vl->id(), vl));
}
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