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sdrangel/plugins/channelrx/demodatv/atvdemodgui.cpp

762 lines
23 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 F4HKW //
// for F4EXB / SDRAngel //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDockWidget>
#include <QMainWindow>
#include "atvdemodgui.h"
#include "device/devicesourceapi.h"
#include "device/deviceuiset.h"
#include "dsp/downchannelizer.h"
#include "dsp/threadedbasebandsamplesink.h"
#include "dsp/scopevisng.h"
#include "ui_atvdemodgui.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "util/db.h"
#include "dsp/dspengine.h"
#include "mainwindow.h"
#include "atvdemod.h"
ATVDemodGUI* ATVDemodGUI::create(PluginAPI* objPluginAPI,
DeviceUISet *deviceUISet,
BasebandSampleSink *rxChannel)
{
ATVDemodGUI* gui = new ATVDemodGUI(objPluginAPI, deviceUISet, rxChannel);
return gui;
}
void ATVDemodGUI::destroy()
{
delete this;
}
void ATVDemodGUI::setName(const QString& strName)
{
setObjectName(strName);
}
QString ATVDemodGUI::getName() const
{
return objectName();
}
qint64 ATVDemodGUI::getCenterFrequency() const
{
return m_channelMarker.getCenterFrequency();
}
void ATVDemodGUI::setCenterFrequency(qint64 intCenterFrequency)
{
m_channelMarker.setCenterFrequency(intCenterFrequency);
applySettings();
}
void ATVDemodGUI::resetToDefaults()
{
blockApplySettings(true);
//********** ATV Default values **********
ui->synchLevel->setValue(100);
ui->blackLevel->setValue(310);
ui->lineTime->setValue(0);
ui->topTime->setValue(3);
ui->modulation->setCurrentIndex(0);
ui->fps->setCurrentIndex(0);
ui->hSync->setChecked(true);
ui->vSync->setChecked(true);
ui->halfImage->setChecked(false);
ui->invertVideo->setChecked(false);
ui->standard->setCurrentIndex(1);
//********** RF Default values **********
ui->decimatorEnable->setChecked(false);
ui->rfFiltering->setChecked(false);
ui->rfBW->setValue(10);
ui->rfOppBW->setValue(10);
ui->bfo->setValue(0);
ui->fmDeviation->setValue(250);
blockApplySettings(false);
lineTimeUpdate();
topTimeUpdate();
applySettings();
}
QByteArray ATVDemodGUI::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_channelMarker.getCenterFrequency());
s.writeU32(2, m_channelMarker.getColor().rgb());
s.writeS32(3, ui->synchLevel->value());
s.writeS32(4, ui->blackLevel->value());
s.writeS32(5, ui->lineTime->value());
s.writeS32(6, ui->topTime->value());
s.writeS32(7, ui->modulation->currentIndex());
s.writeS32(8, ui->fps->currentIndex());
s.writeBool(9, ui->hSync->isChecked());
s.writeBool(10, ui->vSync->isChecked());
s.writeBool(11, ui->halfImage->isChecked());
s.writeS32(12, ui->rfBW->value());
s.writeS32(13, ui->rfOppBW->value());
s.writeS32(14, ui->bfo->value());
s.writeBool(15, ui->invertVideo->isChecked());
s.writeS32(16, ui->nbLines->currentIndex());
s.writeS32(17, ui->fmDeviation->value());
s.writeS32(18, ui->standard->currentIndex());
return s.final();
}
bool ATVDemodGUI::deserialize(const QByteArray& arrData)
{
SimpleDeserializer d(arrData);
if (!d.isValid())
{
resetToDefaults();
return false;
}
if (d.getVersion() == 1)
{
QByteArray bytetmp;
int tmp;
bool booltmp;
blockApplySettings(true);
m_channelMarker.blockSignals(true);
d.readS32(1, &tmp, 0);
m_channelMarker.setCenterFrequency(tmp);
// if (d.readU32(2, &u32tmp)) {
// m_objChannelMarker.setColor(u32tmp);
// } else {
// m_objChannelMarker.setColor(Qt::white);
// }
d.readS32(3, &tmp, 100);
ui->synchLevel->setValue(tmp);
d.readS32(4, &tmp, 310);
ui->blackLevel->setValue(tmp);
d.readS32(5, &tmp, 0);
ui->lineTime->setValue(tmp);
d.readS32(6, &tmp, 3);
ui->topTime->setValue(tmp);
d.readS32(7, &tmp, 0);
ui->modulation->setCurrentIndex(tmp);
d.readS32(8, &tmp, 0);
ui->fps->setCurrentIndex(tmp);
d.readBool(9, &booltmp, true);
ui->hSync->setChecked(booltmp);
d.readBool(10, &booltmp, true);
ui->vSync->setChecked(booltmp);
d.readBool(11, &booltmp, false);
ui->halfImage->setChecked(booltmp);
d.readS32(12, &tmp, 10);
ui->rfBW->setValue(tmp);
d.readS32(13, &tmp, 10);
ui->rfOppBW->setValue(tmp);
d.readS32(14, &tmp, 10);
ui->bfo->setValue(tmp);
d.readBool(15, &booltmp, true);
ui->invertVideo->setChecked(booltmp);
d.readS32(16, &tmp, 0);
ui->nbLines->setCurrentIndex(tmp);
d.readS32(17, &tmp, 250);
ui->fmDeviation->setValue(tmp);
d.readS32(18, &tmp, 1);
ui->standard->setCurrentIndex(tmp);
blockApplySettings(false);
m_channelMarker.blockSignals(false);
m_channelMarker.emitChangedByAPI();
lineTimeUpdate();
topTimeUpdate();
applySettings();
return true;
}
else
{
resetToDefaults();
return false;
}
}
bool ATVDemodGUI::handleMessage(const Message& objMessage)
{
if (ATVDemod::MsgReportEffectiveSampleRate::match(objMessage))
{
int sampleRate = ((ATVDemod::MsgReportEffectiveSampleRate&)objMessage).getSampleRate();
int nbPointsPerLine = ((ATVDemod::MsgReportEffectiveSampleRate&)objMessage).getNbPointsPerLine();
ui->channelSampleRateText->setText(tr("%1k").arg(sampleRate/1000.0f, 0, 'f', 2));
ui->nbPointsPerLineText->setText(tr("%1p").arg(nbPointsPerLine));
m_scopeVis->setSampleRate(sampleRate);
setRFFiltersSlidersRange(sampleRate);
lineTimeUpdate();
topTimeUpdate();
return true;
}
else if (ATVDemod::MsgReportChannelSampleRateChanged::match(objMessage))
{
ATVDemod::MsgReportChannelSampleRateChanged report = (ATVDemod::MsgReportChannelSampleRateChanged&) objMessage;
m_inputSampleRate = report.getSampleRate();
qDebug("ATVDemodGUI::handleMessage: MsgReportChannelSampleRateChanged: %d", m_inputSampleRate);
applySettings();
applyRFSettings();
return true;
}
else
{
return false;
}
}
void ATVDemodGUI::channelMarkerChangedByCursor()
{
qDebug("ATVDemodGUI::channelMarkerChangedByCursor");
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
applySettings();
applyRFSettings();
}
void ATVDemodGUI::channelMarkerHighlightedByCursor()
{
setHighlighted(m_channelMarker.getHighlighted());
}
void ATVDemodGUI::handleSourceMessages()
{
Message* message;
while ((message = getInputMessageQueue()->pop()) != 0)
{
if (handleMessage(*message))
{
delete message;
}
}
}
void ATVDemodGUI::onWidgetRolled(QWidget* widget __attribute__((unused)), bool rollDown __attribute__((unused)))
{
}
ATVDemodGUI::ATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* objParent) :
RollupWidget(objParent),
ui(new Ui::ATVDemodGUI),
m_pluginAPI(objPluginAPI),
m_deviceUISet(deviceUISet),
m_channelMarker(this),
m_blnDoApplySettings(true),
m_objMagSqAverage(40, 0),
m_intTickCount(0),
m_inputSampleRate(48000)
{
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose, true);
connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
m_scopeVis = new ScopeVisNG(ui->glScope);
m_atvDemod = (ATVDemod*) rxChannel; //new ATVDemod(m_deviceUISet->m_deviceSourceAPI);
m_atvDemod->setMessageQueueToGUI(getInputMessageQueue());
m_atvDemod->setScopeSink(m_scopeVis);
m_atvDemod->setATVScreen(ui->screenTV);
ui->glScope->connectTimer(MainWindow::getInstance()->getMasterTimer());
connect(&MainWindow::getInstance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms
ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
m_channelMarker.blockSignals(true);
m_channelMarker.setColor(Qt::white);
m_channelMarker.setBandwidth(6000000);
m_channelMarker.setCenterFrequency(0);
m_channelMarker.blockSignals(false);
m_channelMarker.setVisible(true); // activate signal on the last setting only
setTitleColor(m_channelMarker.getColor());
m_deviceUISet->registerRxChannelInstance(ATVDemod::m_channelIdURI, this);
m_deviceUISet->addChannelMarker(&m_channelMarker);
m_deviceUISet->addRollupWidget(this);
m_objMagSqAverage.resize(4, 1.0);
ui->scopeGUI->setBuddies(m_scopeVis->getInputMessageQueue(), m_scopeVis, ui->glScope);
resetToDefaults(); // does applySettings()
ui->scopeGUI->setPreTrigger(1);
ScopeVisNG::TraceData traceData;
traceData.m_amp = 2.0; // amplification factor
traceData.m_ampIndex = 1; // this is second step
traceData.m_ofs = 0.5; // direct offset
traceData.m_ofsCoarse = 50; // this is 50 coarse steps
ui->scopeGUI->changeTrace(0, traceData);
ui->scopeGUI->focusOnTrace(0); // re-focus to take changes into account in the GUI
ScopeVisNG::TriggerData triggerData;
triggerData.m_triggerLevel = 0.1;
triggerData.m_triggerLevelCoarse = 10;
triggerData.m_triggerPositiveEdge = false;
ui->scopeGUI->changeTrigger(0, triggerData);
ui->scopeGUI->focusOnTrigger(0); // re-focus to take changes into account in the GUI
connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));
connect(&m_channelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor()));
connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
QChar delta = QChar(0x94, 0x03);
ui->fmDeviationLabel->setText(delta);
}
ATVDemodGUI::~ATVDemodGUI()
{
m_deviceUISet->removeRxChannelInstance(this);
delete m_atvDemod; // TODO: check this: when the GUI closes it has to delete the demodulator
delete m_scopeVis;
delete ui;
}
void ATVDemodGUI::blockApplySettings(bool blnBlock)
{
m_blnDoApplySettings = !blnBlock;
}
void ATVDemodGUI::applySettings()
{
if (m_blnDoApplySettings)
{
ATVDemod::MsgConfigureChannelizer *msgChan = ATVDemod::MsgConfigureChannelizer::create(
m_channelMarker.getCenterFrequency());
m_atvDemod->getInputMessageQueue()->push(msgChan);
m_atvDemod->configure(m_atvDemod->getInputMessageQueue(),
getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) + ui->lineTime->value() * m_fltLineTimeMultiplier,
getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) * (4.7f / 64.0f) + ui->topTime->value() * m_fltTopTimeMultiplier,
getFps(ui->fps->currentIndex()),
(ATVDemod::ATVStd) ui->standard->currentIndex(),
getNumberOfLines(ui->nbLines->currentIndex()),
(ui->halfImage->checkState() == Qt::Checked) ? 0.5f : 1.0f,
ui->synchLevel->value() / 1000.0f,
ui->blackLevel->value() / 1000.0f,
ui->hSync->isChecked(),
ui->vSync->isChecked(),
ui->invertVideo->isChecked(),
ui->screenTabWidget->currentIndex());
qDebug() << "ATVDemodGUI::applySettings:"
<< " m_objChannelizer.inputSampleRate: " << m_inputSampleRate
<< " m_objATVDemod.sampleRate: " << m_atvDemod->getSampleRate();
}
}
void ATVDemodGUI::applyRFSettings()
{
if (m_blnDoApplySettings)
{
m_atvDemod->configureRF(m_atvDemod->getInputMessageQueue(),
m_channelMarker.getCenterFrequency(),
(ATVDemod::ATVModulation) ui->modulation->currentIndex(),
ui->rfBW->value() * m_rfSliderDivisor * 1.0f,
ui->rfOppBW->value() * m_rfSliderDivisor * 1.0f,
ui->rfFiltering->isChecked(),
ui->decimatorEnable->isChecked(),
ui->bfo->value(),
ui->fmDeviation->value() / 500.0f);
}
}
void ATVDemodGUI::setChannelMarkerBandwidth()
{
m_blnDoApplySettings = false; // avoid infinite recursion
m_channelMarker.blockSignals(true);
if (ui->rfFiltering->isChecked()) // FFT filter
{
m_channelMarker.setBandwidth(ui->rfBW->value()*m_rfSliderDivisor);
m_channelMarker.setOppositeBandwidth(ui->rfOppBW->value()*m_rfSliderDivisor);
if (ui->modulation->currentIndex() == (int) ATVDemod::ATV_LSB) {
m_channelMarker.setSidebands(ChannelMarker::vlsb);
} else if (ui->modulation->currentIndex() == (int) ATVDemod::ATV_USB) {
m_channelMarker.setSidebands(ChannelMarker::vusb);
} else {
m_channelMarker.setSidebands(ChannelMarker::vusb);
}
}
else
{
if (ui->decimatorEnable->isChecked()) {
m_channelMarker.setBandwidth(ui->rfBW->value()*m_rfSliderDivisor);
} else {
m_channelMarker.setBandwidth(m_inputSampleRate);
}
m_channelMarker.setSidebands(ChannelMarker::dsb);
}
m_channelMarker.blockSignals(false);
m_channelMarker.emitChangedByAPI();
m_blnDoApplySettings = true;
}
void ATVDemodGUI::setRFFiltersSlidersRange(int sampleRate)
{
// RF filters sliders range
int scaleFactor = (int) std::log10(sampleRate/2);
m_rfSliderDivisor = std::pow(10.0, scaleFactor-1);
if (sampleRate/m_rfSliderDivisor < 50) {
m_rfSliderDivisor /= 10;
}
if (ui->rfFiltering->isChecked())
{
ui->rfBW->setMaximum((sampleRate) / (2*m_rfSliderDivisor));
ui->rfOppBW->setMaximum((sampleRate) / (2*m_rfSliderDivisor));
}
else
{
ui->rfBW->setMaximum((sampleRate) / m_rfSliderDivisor);
ui->rfOppBW->setMaximum((sampleRate) / m_rfSliderDivisor);
}
ui->rfBWText->setText(QString("%1k").arg((ui->rfBW->value() * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
ui->rfOppBWText->setText(QString("%1k").arg((ui->rfOppBW->value() * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
}
void ATVDemodGUI::leaveEvent(QEvent*)
{
m_channelMarker.setHighlighted(false);
}
void ATVDemodGUI::enterEvent(QEvent*)
{
m_channelMarker.setHighlighted(true);
}
void ATVDemodGUI::tick()
{
if (m_intTickCount < 4) // ~200 ms
{
m_intTickCount++;
}
else
{
if (m_atvDemod)
{
m_objMagSqAverage.feed(m_atvDemod->getMagSq());
double magSqDB = CalcDb::dbPower(m_objMagSqAverage.average() / (1<<30));
ui->channePowerText->setText(tr("%1 dB").arg(magSqDB, 0, 'f', 1));
if (m_atvDemod->getBFOLocked()) {
ui->bfoLockedLabel->setStyleSheet("QLabel { background-color : green; }");
} else {
ui->bfoLockedLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
}
}
m_intTickCount = 0;
}
return;
}
void ATVDemodGUI::on_synchLevel_valueChanged(int value)
{
applySettings();
ui->synchLevelText->setText(QString("%1 mV").arg(value));
}
void ATVDemodGUI::on_blackLevel_valueChanged(int value)
{
applySettings();
ui->blackLevelText->setText(QString("%1 mV").arg(value));
}
void ATVDemodGUI::on_lineTime_valueChanged(int value)
{
ui->lineTime->setToolTip(QString("Line length adjustment (%1)").arg(value));
lineTimeUpdate();
applySettings();
}
void ATVDemodGUI::on_topTime_valueChanged(int value)
{
ui->topTime->setToolTip(QString("Horizontal sync pulse length adjustment (%1)").arg(value));
topTimeUpdate();
applySettings();
}
void ATVDemodGUI::on_hSync_clicked()
{
applySettings();
}
void ATVDemodGUI::on_vSync_clicked()
{
applySettings();
}
void ATVDemodGUI::on_invertVideo_clicked()
{
applySettings();
}
void ATVDemodGUI::on_halfImage_clicked()
{
applySettings();
}
void ATVDemodGUI::on_nbLines_currentIndexChanged(int index __attribute__((unused)))
{
lineTimeUpdate();
topTimeUpdate();
applySettings();
}
void ATVDemodGUI::on_fps_currentIndexChanged(int index __attribute__((unused)))
{
lineTimeUpdate();
topTimeUpdate();
applySettings();
}
void ATVDemodGUI::on_standard_currentIndexChanged(int index __attribute__((unused)))
{
applySettings();
}
void ATVDemodGUI::on_reset_clicked(bool checked __attribute__((unused)))
{
resetToDefaults();
}
void ATVDemodGUI::on_modulation_currentIndexChanged(int index __attribute__((unused)))
{
setRFFiltersSlidersRange(m_atvDemod->getEffectiveSampleRate());
setChannelMarkerBandwidth();
applyRFSettings();
}
void ATVDemodGUI::on_rfBW_valueChanged(int value)
{
ui->rfBWText->setText(QString("%1k").arg((value * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
setChannelMarkerBandwidth();
applyRFSettings();
}
void ATVDemodGUI::on_rfOppBW_valueChanged(int value)
{
ui->rfOppBWText->setText(QString("%1k").arg((value * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
setChannelMarkerBandwidth();
applyRFSettings();
}
void ATVDemodGUI::on_rfFiltering_toggled(bool checked __attribute__((unused)))
{
setRFFiltersSlidersRange(m_atvDemod->getEffectiveSampleRate());
setChannelMarkerBandwidth();
applyRFSettings();
}
void ATVDemodGUI::on_decimatorEnable_toggled(bool checked __attribute__((unused)))
{
setChannelMarkerBandwidth();
applyRFSettings();
}
void ATVDemodGUI::on_deltaFrequency_changed(qint64 value)
{
m_channelMarker.setCenterFrequency(value);
applyRFSettings();
}
void ATVDemodGUI::on_bfo_valueChanged(int value)
{
ui->bfoText->setText(QString("%1").arg(value * 1.0, 0, 'f', 0));
applyRFSettings();
}
void ATVDemodGUI::on_fmDeviation_valueChanged(int value)
{
ui->fmDeviationText->setText(QString("%1").arg(value / 10.0, 0, 'f', 1));
applyRFSettings();
}
void ATVDemodGUI::on_screenTabWidget_currentChanged(int index __attribute__((unused)))
{
applySettings();
}
void ATVDemodGUI::lineTimeUpdate()
{
float nominalLineTime = getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex());
int lineTimeScaleFactor = (int) std::log10(nominalLineTime);
if (m_atvDemod->getEffectiveSampleRate() == 0) {
m_fltLineTimeMultiplier = std::pow(10.0, lineTimeScaleFactor-3);
} else {
m_fltLineTimeMultiplier = 1.0f / m_atvDemod->getEffectiveSampleRate();
}
float lineTime = nominalLineTime + m_fltLineTimeMultiplier * ui->lineTime->value();
if (lineTime < 0.0)
ui->lineTimeText->setText("invalid");
else if(lineTime < 0.000001)
ui->lineTimeText->setText(tr("%1 ns").arg(lineTime * 1000000000.0, 0, 'f', 2));
else if(lineTime < 0.001)
ui->lineTimeText->setText(tr("%1 µs").arg(lineTime * 1000000.0, 0, 'f', 2));
else if(lineTime < 1.0)
ui->lineTimeText->setText(tr("%1 ms").arg(lineTime * 1000.0, 0, 'f', 2));
else
ui->lineTimeText->setText(tr("%1 s").arg(lineTime * 1.0, 0, 'f', 2));
}
void ATVDemodGUI::topTimeUpdate()
{
float nominalTopTime = getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) * (4.7f / 64.0f);
int topTimeScaleFactor = (int) std::log10(nominalTopTime);
if (m_atvDemod->getEffectiveSampleRate() == 0) {
m_fltTopTimeMultiplier = std::pow(10.0, topTimeScaleFactor-3);
} else {
m_fltTopTimeMultiplier = 1.0f / m_atvDemod->getEffectiveSampleRate();
}
float topTime = nominalTopTime + m_fltTopTimeMultiplier * ui->topTime->value();
if (topTime < 0.0)
ui->topTimeText->setText("invalid");
else if (topTime < 0.000001)
ui->topTimeText->setText(tr("%1 ns").arg(topTime * 1000000000.0, 0, 'f', 2));
else if(topTime < 0.001)
ui->topTimeText->setText(tr("%1 µs").arg(topTime * 1000000.0, 0, 'f', 2));
else if(topTime < 1.0)
ui->topTimeText->setText(tr("%1 ms").arg(topTime * 1000.0, 0, 'f', 2));
else
ui->topTimeText->setText(tr("%1 s").arg(topTime * 1.0, 0, 'f', 2));
}
float ATVDemodGUI::getFps(int fpsIndex)
{
switch(fpsIndex)
{
case 0:
return 30.0f;
break;
case 2:
return 20.0f;
break;
case 3:
return 16.0f;
break;
case 4:
return 12.0f;
break;
case 5:
return 10.0f;
break;
case 6:
return 8.0f;
break;
case 7:
return 5.0f;
break;
case 8:
return 2.0f;
break;
case 9:
return 1.0f;
break;
case 1:
default:
return 25.0f;
break;
}
}
float ATVDemodGUI::getNominalLineTime(int nbLinesIndex, int fpsIndex)
{
float fps = getFps(fpsIndex);
int nbLines = getNumberOfLines(nbLinesIndex);
return 1.0f / (nbLines * fps);
}
int ATVDemodGUI::getNumberOfLines(int nbLinesIndex)
{
switch(nbLinesIndex)
{
case 0:
return 640;
break;
case 2:
return 525;
break;
case 3:
return 480;
break;
case 4:
return 405;
break;
case 5:
return 360;
break;
case 6:
return 343;
break;
case 7:
return 240;
break;
case 8:
return 180;
break;
case 9:
return 120;
break;
case 10:
return 90;
break;
case 11:
return 60;
break;
case 12:
return 32;
break;
case 1:
default:
return 625;
break;
}
}