void SigList::normalize()
{
int z = 0;
int n = 0;
unsigned tick = 0;
iSigEvent ee;
for (iSigEvent e = begin(); e != end();)
{
if (z == e->second->z && n == e->second->n)
{
e->second->tick = tick;
erase(ee);
}
z = e->second->z;
n = e->second->n;
ee = e;
tick = e->second->tick;
++e;
}
int bar = 0;
for (iSigEvent e = begin(); e != end();)
{
e->second->bar = bar;
int delta = e->first - e->second->tick;
int ticksB = ticks_beat(e->second->n);
int ticksM = ticksB * e->second->z;
bar += delta / ticksM;
if (delta % ticksM) // Teil eines Taktes
++bar;
++e;
}
}
void SigList::normalize()
{
TimeSignature sig(0, 0);
unsigned tick = 0;
iSigEvent ee;
for (iSigEvent e = begin(); e != end();)
{
if (sig.z == e->second->sig.z && sig.n == e->second->sig.n)
{
e->second->tick = tick;
erase(ee);
}
sig = e->second->sig;
ee = e;
tick = e->second->tick;
++e;
}
int bar = 0;
for (iSigEvent e = begin(); e != end();)
{
e->second->bar = bar;
int delta = e->first - e->second->tick;
int ticksB = ticks_beat(e->second->sig.n);
int ticksM = ticksB * e->second->sig.z;
bar += delta / ticksM;
if (delta % ticksM) // Teil eines Taktes
++bar;
++e;
}
}
void TimeSigMap::tickValues(int t, int* bar, int* beat, int* tick) const
{
if (empty()) {
*bar = 0;
*beat = 0;
*tick = 0;
return;
}
ciSigEvent e = upper_bound(t);
if (empty() || e == begin()) {
qDebug("tickValue(0x%x) not found", t);
abort();
}
--e;
int delta = t - e->first;
int ticksB = ticks_beat(e->second.timesig().denominator());
int ticksM = ticksB * e->second.timesig().numerator();
if (ticksM == 0) {
qDebug("TimeSigMap::tickValues: at %d %s", t, qPrintable(e->second.timesig().print()));
*bar = 0;
*beat = 0;
*tick = 0;
return;
}
*bar = e->second.bar() + delta / ticksM;
int rest = delta % ticksM;
*beat = rest / ticksB;
*tick = rest % ticksB;
}
int TimeSigMap::rasterStep(unsigned t, int raster) const
{
if (raster == 0) {
ciSigEvent e = upper_bound(t);
return ticks_beat(e->second.timesig().denominator()) * e->second.timesig().numerator();
}
return raster;
}
int SigList::rasterStep(unsigned t, int raster) const
{
if (raster == 0)
{
ciSigEvent e = upper_bound(t);
assert(e != end());
return ticks_beat(e->second->n) * e->second->z;
}
return raster;
}
int SigList::ticksBeat(unsigned tick) const
{
ciSigEvent i = upper_bound(tick);
if (i == end())
{
printf("SigList::ticksBeat event not found! tick:%d\n", tick);
return 0;
}
return ticks_beat(i->second->sig.n);
}
unsigned TimeSigMap::raster2(unsigned t, int raster) const
{
if (raster == 1)
return t;
ciSigEvent e = upper_bound(t);
int delta = t - e->first;
int ticksM = ticks_beat(e->second.timesig().denominator()) * e->second.timesig().numerator();
if (raster == 0)
raster = ticksM;
int rest = delta % ticksM;
int bb = (delta/ticksM)*ticksM;
return e->first + bb + ((rest+raster-1)/raster)*raster;
}
unsigned SigList::raster2(unsigned t, int raster) const
{
if (raster == 1)
return t;
ciSigEvent e = upper_bound(t);
assert(e != end());
int delta = t - e->second->tick;
int ticksM = ticks_beat(e->second->n) * e->second->z;
if (raster == 0)
raster = ticksM;
int rest = delta % ticksM;
int bb = (delta / ticksM) * ticksM;
return e->second->tick + bb + ((rest + raster - 1) / raster) * raster;
}
int SigList::rasterStep(unsigned t, int raster) const
{
if (raster == 0)
{
ciSigEvent e = upper_bound(t);
if (e == end())
{
printf("SigList::rasterStep event not found tick:%d\n", t);
//return 0;
return raster;
}
return ticks_beat(e->second->sig.n) * e->second->sig.z;
}
return raster;
}
int TimeSigMap::bar2tick(int bar, int beat) const
{
ciSigEvent e;
for (e = begin(); e != end(); ++e) {
if (bar < e->second.bar())
break;
}
if (empty() || e == begin()) {
qDebug("TimeSigMap::bar2tick(): not found(%d,%d) not found", bar, beat);
if (empty())
qDebug(" list is empty");
return 0;
}
--e;
int ticksB = ticks_beat(e->second.timesig().denominator());
int ticksM = ticksB * e->second.timesig().numerator();
return e->first + (bar - e->second.bar()) * ticksM + ticksB * beat;
}
unsigned SigList::raster(unsigned t, int raster) const
{
if (raster == 1)
return t;
ciSigEvent e = upper_bound(t);
if (e == end())
{
printf("SigList::raster(%x,)\n", t);
// abort();
return t;
}
int delta = t - e->second->tick;
int ticksM = ticks_beat(e->second->n) * e->second->z;
if (raster == 0)
raster = ticksM;
int rest = delta % ticksM;
int bb = (delta / ticksM) * ticksM;
return e->second->tick + bb + ((rest + raster / 2) / raster) * raster;
}
unsigned SigList::raster2(unsigned t, int raster) const
{
if (raster == 1)
return t;
ciSigEvent e = upper_bound(t);
if (e == end())
{
printf("SigList::raster2 event not found tick:%d\n", t);
//return 0;
return t;
}
int delta = t - e->second->tick;
int ticksM = ticks_beat(e->second->sig.n) * e->second->sig.z;
if (raster == 0)
raster = ticksM;
int rest = delta % ticksM;
int bb = (delta / ticksM) * ticksM;
return e->second->tick + bb + ((rest + raster - 1) / raster) * raster;
}
unsigned SigList::bar2tick(int bar, int beat, unsigned tick) const
{
ciSigEvent e;
if (bar < 0)
bar = 0;
for (e = begin(); e != end();)
{
ciSigEvent ee = e;
++ee;
if (ee == end())
break;
if (bar < ee->second->bar)
break;
e = ee;
}
int ticksB = ticks_beat(e->second->n);
int ticksM = ticksB * e->second->z;
return e->second->tick + (bar - e->second->bar) * ticksM + ticksB * beat + tick;
}
void SigList::tickValues(unsigned t, int* bar, int* beat, unsigned* tick) const
{
ciSigEvent e = upper_bound(t);
if (e == end())
{
fprintf(stderr, "tickValues(0x%x) not found(%zd)\n", t, size());
*bar = 0;
*beat = 0;
*tick = 0;
return;
}
int delta = t - e->second->tick;
int ticksB = ticks_beat(e->second->sig.n);
int ticksM = ticksB * e->second->sig.z;
*bar = e->second->bar + delta / ticksM;
int rest = delta % ticksM;
*beat = rest / ticksB;
*tick = rest % ticksB;
}
int TimeSigMap::bar2tick(int bar, int beat) const
{
// bar - index of current bar (terminology: bar == measure)
// beat - index of beat in current bar
auto e = begin();
for (; e != end(); ++e) {
if (bar < e->second.bar())
break;
}
if (empty() || e == begin()) {
qDebug("TimeSigMap::bar2tick(): not found(%d,%d) not found", bar, beat);
if (empty())
qDebug(" list is empty");
return 0;
}
--e; // current TimeSigMap value
int ticksB = ticks_beat(e->second.timesig().denominator()); // ticks per beat
int ticksM = ticksB * e->second.timesig().numerator(); // bar length in ticks
return e->first + (bar - e->second.bar()) * ticksM + ticksB * beat;
}
int SigList::ticksBeat(unsigned tick) const
{
ciSigEvent i = upper_bound(tick);
assert(i != end());
return ticks_beat(i->second->n);
}
int SigList::ticksMeasure(int Z, int N) const
{
return ticks_beat(N) * Z;
}
int SigList::ticksMeasure(const TimeSignature& sig) const
{
return ticks_beat(sig.n) * sig.z;
}
int ticksPerMeasure(int numerator, int denominator)
{
return ticks_beat(denominator) * numerator;
}
