mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-05 00:11:16 -05:00
744 lines
22 KiB
C++
744 lines
22 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 F4HKW //
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// for F4EXB / SDRAngel //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDockWidget>
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#include <QMainWindow>
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#include "atvdemodgui.h"
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#include "device/devicesourceapi.h"
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#include "dsp/downchannelizer.h"
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#include "dsp/threadedbasebandsamplesink.h"
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#include "dsp/scopevisng.h"
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#include "ui_atvdemodgui.h"
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#include "plugin/pluginapi.h"
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#include "util/simpleserializer.h"
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#include "util/db.h"
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#include "gui/basicchannelsettingswidget.h"
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#include "dsp/dspengine.h"
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#include "mainwindow.h"
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#include "atvdemod.h"
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const QString ATVDemodGUI::m_strChannelID = "sdrangel.channel.demodatv";
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ATVDemodGUI* ATVDemodGUI::create(PluginAPI* objPluginAPI,
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DeviceSourceAPI *objDeviceAPI)
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{
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ATVDemodGUI* gui = new ATVDemodGUI(objPluginAPI, objDeviceAPI);
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return gui;
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}
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void ATVDemodGUI::destroy()
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{
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delete this;
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}
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void ATVDemodGUI::setName(const QString& strName)
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{
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setObjectName(strName);
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}
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QString ATVDemodGUI::getName() const
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{
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return objectName();
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}
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qint64 ATVDemodGUI::getCenterFrequency() const
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{
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return m_objChannelMarker.getCenterFrequency();
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}
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void ATVDemodGUI::setCenterFrequency(qint64 intCenterFrequency)
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{
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m_objChannelMarker.setCenterFrequency(intCenterFrequency);
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applySettings();
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}
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void ATVDemodGUI::resetToDefaults()
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{
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blockApplySettings(true);
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//********** ATV Default values **********
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ui->synchLevel->setValue(100);
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ui->blackLevel->setValue(310);
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ui->lineTime->setValue(0);
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ui->topTime->setValue(3);
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ui->modulation->setCurrentIndex(0);
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ui->fps->setCurrentIndex(0);
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ui->hSync->setChecked(true);
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ui->vSync->setChecked(true);
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ui->halfImage->setChecked(false);
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ui->invertVideo->setChecked(false);
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//********** RF Default values **********
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ui->decimatorEnable->setChecked(false);
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ui->rfFiltering->setChecked(false);
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ui->rfBW->setValue(10);
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ui->rfOppBW->setValue(10);
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ui->bfo->setValue(0);
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ui->fmDeviation->setValue(100);
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blockApplySettings(false);
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lineTimeUpdate();
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topTimeUpdate();
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applySettings();
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}
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QByteArray ATVDemodGUI::serialize() const
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{
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SimpleSerializer s(1);
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s.writeS32(1, m_objChannelMarker.getCenterFrequency());
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s.writeU32(2, m_objChannelMarker.getColor().rgb());
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s.writeS32(3, ui->synchLevel->value());
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s.writeS32(4, ui->blackLevel->value());
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s.writeS32(5, ui->lineTime->value());
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s.writeS32(6, ui->topTime->value());
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s.writeS32(7, ui->modulation->currentIndex());
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s.writeS32(8, ui->fps->currentIndex());
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s.writeBool(9, ui->hSync->isChecked());
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s.writeBool(10, ui->vSync->isChecked());
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s.writeBool(11, ui->halfImage->isChecked());
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s.writeS32(12, ui->rfBW->value());
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s.writeS32(13, ui->rfOppBW->value());
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s.writeS32(14, ui->bfo->value());
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s.writeBool(15, ui->invertVideo->isChecked());
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s.writeS32(16, ui->nbLines->currentIndex());
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s.writeS32(17, ui->fmDeviation->value());
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s.writeS32(18, ui->standard->currentIndex());
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return s.final();
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}
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bool ATVDemodGUI::deserialize(const QByteArray& arrData)
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{
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SimpleDeserializer d(arrData);
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if (!d.isValid())
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{
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resetToDefaults();
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return false;
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}
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if (d.getVersion() == 1)
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{
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QByteArray bytetmp;
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uint32_t u32tmp;
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int tmp;
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bool booltmp;
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blockApplySettings(true);
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m_objChannelMarker.blockSignals(true);
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d.readS32(1, &tmp, 0);
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m_objChannelMarker.setCenterFrequency(tmp);
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// if (d.readU32(2, &u32tmp)) {
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// m_objChannelMarker.setColor(u32tmp);
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// } else {
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// m_objChannelMarker.setColor(Qt::white);
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// }
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d.readS32(3, &tmp, 100);
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ui->synchLevel->setValue(tmp);
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d.readS32(4, &tmp, 310);
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ui->blackLevel->setValue(tmp);
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d.readS32(5, &tmp, 0);
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ui->lineTime->setValue(tmp);
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d.readS32(6, &tmp, 3);
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ui->topTime->setValue(tmp);
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d.readS32(7, &tmp, 0);
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ui->modulation->setCurrentIndex(tmp);
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d.readS32(8, &tmp, 0);
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ui->fps->setCurrentIndex(tmp);
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d.readBool(9, &booltmp, true);
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ui->hSync->setChecked(booltmp);
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d.readBool(10, &booltmp, true);
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ui->vSync->setChecked(booltmp);
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d.readBool(11, &booltmp, false);
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ui->halfImage->setChecked(booltmp);
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d.readS32(12, &tmp, 10);
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ui->rfBW->setValue(tmp);
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d.readS32(13, &tmp, 10);
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ui->rfOppBW->setValue(tmp);
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d.readS32(14, &tmp, 10);
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ui->bfo->setValue(tmp);
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d.readBool(15, &booltmp, true);
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ui->invertVideo->setChecked(booltmp);
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d.readS32(16, &tmp, 0);
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ui->nbLines->setCurrentIndex(tmp);
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d.readS32(17, &tmp, 100);
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ui->fmDeviation->setValue(tmp);
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d.readS32(18, &tmp, 0);
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ui->standard->setCurrentIndex(tmp);
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blockApplySettings(false);
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m_objChannelMarker.blockSignals(false);
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lineTimeUpdate();
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topTimeUpdate();
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applySettings();
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return true;
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}
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else
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{
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resetToDefaults();
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return false;
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}
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}
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bool ATVDemodGUI::handleMessage(const Message& objMessage)
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{
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if (ATVDemod::MsgReportEffectiveSampleRate::match(objMessage))
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{
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int sampleRate = ((ATVDemod::MsgReportEffectiveSampleRate&)objMessage).getSampleRate();
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int nbPointsPerLine = ((ATVDemod::MsgReportEffectiveSampleRate&)objMessage).getNbPointsPerLine();
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ui->channelSampleRateText->setText(tr("%1k").arg(sampleRate/1000.0f, 0, 'f', 0));
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ui->nbPointsPerLineText->setText(tr("%1p").arg(nbPointsPerLine));
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setRFFiltersSlidersRange(sampleRate);
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lineTimeUpdate();
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topTimeUpdate();
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return true;
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}
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else
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{
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return false;
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}
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}
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void ATVDemodGUI::viewChanged()
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{
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qDebug("ATVDemodGUI::viewChanged");
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applySettings();
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applyRFSettings();
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}
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void ATVDemodGUI::channelSampleRateChanged()
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{
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qDebug("ATVDemodGUI::channelSampleRateChanged");
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applySettings();
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applyRFSettings();
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}
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void ATVDemodGUI::handleSourceMessages()
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{
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Message* message;
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while ((message = m_objATVDemod->getOutputMessageQueue()->pop()) != 0)
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{
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if (handleMessage(*message))
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{
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delete message;
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}
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}
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}
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void ATVDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown)
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{
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}
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void ATVDemodGUI::onMenuDoubleClicked()
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{
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if (!m_blnBasicSettingsShown)
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{
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m_blnBasicSettingsShown = true;
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BasicChannelSettingsWidget* bcsw = new BasicChannelSettingsWidget(
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&m_objChannelMarker, this);
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bcsw->show();
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}
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}
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ATVDemodGUI::ATVDemodGUI(PluginAPI* objPluginAPI, DeviceSourceAPI *objDeviceAPI,
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QWidget* objParent) :
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RollupWidget(objParent),
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ui(new Ui::ATVDemodGUI),
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m_objPluginAPI(objPluginAPI),
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m_objDeviceAPI(objDeviceAPI),
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m_objChannelMarker(this),
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m_blnBasicSettingsShown(false),
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m_blnDoApplySettings(true),
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m_intTickCount(0)
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{
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ui->setupUi(this);
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setAttribute(Qt::WA_DeleteOnClose, true);
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connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
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connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));
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m_objScopeVis = new ScopeVisNG(ui->glScope);
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m_objATVDemod = new ATVDemod(m_objScopeVis);
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m_objATVDemod->setATVScreen(ui->screenTV);
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m_objChannelizer = new DownChannelizer(m_objATVDemod);
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m_objThreadedChannelizer = new ThreadedBasebandSampleSink(m_objChannelizer, this);
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m_objDeviceAPI->addThreadedSink(m_objThreadedChannelizer);
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ui->glScope->connectTimer(m_objPluginAPI->getMainWindow()->getMasterTimer());
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connect(&m_objPluginAPI->getMainWindow()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms
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ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
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ui->deltaFrequency->setValueRange(7, 0U, 9999999U);
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connect(m_objChannelizer, SIGNAL(inputSampleRateChanged()), this, SLOT(channelSampleRateChanged()));
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//m_objPluginAPI->addThreadedSink(m_objThreadedChannelizer);
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m_objChannelMarker.setColor(Qt::white);
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m_objChannelMarker.setMovable(false);
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m_objChannelMarker.setBandwidth(6000000);
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m_objChannelMarker.setCenterFrequency(0);
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m_objChannelMarker.setVisible(true);
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setTitleColor(m_objChannelMarker.getColor());
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connect(&m_objChannelMarker, SIGNAL(changed()), this, SLOT(viewChanged()));
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m_objDeviceAPI->registerChannelInstance(m_strChannelID, this);
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m_objDeviceAPI->addChannelMarker(&m_objChannelMarker);
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m_objDeviceAPI->addRollupWidget(this);
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//ui->screenTV->connectTimer(m_objPluginAPI->getMainWindow()->getMasterTimer());
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m_objMagSqAverage.resize(4, 1.0);
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ui->scopeGUI->setBuddies(m_objScopeVis->getInputMessageQueue(), m_objScopeVis, ui->glScope);
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resetToDefaults(); // does applySettings()
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ui->scopeGUI->setPreTrigger(1);
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ScopeVisNG::TraceData traceData;
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traceData.m_amp = 2.0; // amplification factor
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traceData.m_ampIndex = 1; // this is second step
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traceData.m_ofs = 0.5; // direct offset
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traceData.m_ofsCoarse = 50; // this is 50 coarse steps
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ui->scopeGUI->changeTrace(0, traceData);
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ui->scopeGUI->focusOnTrace(0); // re-focus to take changes into account in the GUI
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ScopeVisNG::TriggerData triggerData;
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triggerData.m_triggerLevel = 0.1;
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triggerData.m_triggerLevelCoarse = 10;
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triggerData.m_triggerPositiveEdge = false;
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ui->scopeGUI->changeTrigger(0, triggerData);
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ui->scopeGUI->focusOnTrigger(0); // re-focus to take changes into account in the GUI
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connect(m_objATVDemod->getOutputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
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QChar delta = QChar(0x94, 0x03);
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ui->fmDeviationLabel->setText(delta);
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}
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ATVDemodGUI::~ATVDemodGUI()
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{
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m_objDeviceAPI->removeChannelInstance(this);
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m_objDeviceAPI->removeThreadedSink(m_objThreadedChannelizer);
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delete m_objThreadedChannelizer;
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delete m_objChannelizer;
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delete m_objATVDemod;
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delete m_objScopeVis;
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delete ui;
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}
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void ATVDemodGUI::blockApplySettings(bool blnBlock)
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{
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m_blnDoApplySettings = !blnBlock;
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}
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void ATVDemodGUI::applySettings()
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{
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if (m_blnDoApplySettings)
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{
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ui->deltaFrequency->setValue(abs(m_objChannelMarker.getCenterFrequency()));
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ui->deltaFrequencyMinus->setChecked(m_objChannelMarker.getCenterFrequency() < 0);
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m_objChannelizer->configure(m_objChannelizer->getInputMessageQueue(),
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m_objChannelizer->getInputSampleRate(), // always use maximum available bandwidth
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m_objChannelMarker.getCenterFrequency());
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m_objATVDemod->configure(m_objATVDemod->getInputMessageQueue(),
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getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) + ui->lineTime->value() * m_fltLineTimeMultiplier,
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getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex()) * (4.7f / 64.0f) + ui->topTime->value() * m_fltTopTimeMultiplier,
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getFps(ui->fps->currentIndex()),
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(ATVDemod::ATVStd) ui->standard->currentIndex(),
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getNumberOfLines(ui->nbLines->currentIndex()),
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(ui->halfImage->checkState() == Qt::Checked) ? 0.5f : 1.0f,
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ui->synchLevel->value() / 1000.0f,
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ui->blackLevel->value() / 1000.0f,
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ui->hSync->isChecked(),
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ui->vSync->isChecked(),
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ui->invertVideo->isChecked(),
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ui->screenTabWidget->currentIndex());
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qDebug() << "ATVDemodGUI::applySettings:"
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<< " m_objChannelizer.inputSampleRate: " << m_objChannelizer->getInputSampleRate()
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<< " m_objATVDemod.sampleRate: " << m_objATVDemod->getSampleRate();
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}
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}
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void ATVDemodGUI::applyRFSettings()
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{
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if (m_blnDoApplySettings)
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{
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m_objATVDemod->configureRF(m_objATVDemod->getInputMessageQueue(),
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(ATVDemod::ATVModulation) ui->modulation->currentIndex(),
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ui->rfBW->value() * m_rfSliderDivisor * 1.0f,
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ui->rfOppBW->value() * m_rfSliderDivisor * 1.0f,
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ui->rfFiltering->isChecked(),
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ui->decimatorEnable->isChecked(),
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ui->bfo->value() * 10.0f,
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ui->fmDeviation->value() / 100.0f);
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}
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}
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void ATVDemodGUI::setChannelMarkerBandwidth()
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{
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m_blnDoApplySettings = false; // avoid infinite recursion
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if (ui->rfFiltering->isChecked()) // FFT filter
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{
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m_objChannelMarker.setBandwidth(ui->rfBW->value()*m_rfSliderDivisor);
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m_objChannelMarker.setOppositeBandwidth(ui->rfOppBW->value()*m_rfSliderDivisor);
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if (ui->modulation->currentIndex() == (int) ATVDemod::ATV_LSB) {
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m_objChannelMarker.setSidebands(ChannelMarker::vlsb);
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} else if (ui->modulation->currentIndex() == (int) ATVDemod::ATV_USB) {
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m_objChannelMarker.setSidebands(ChannelMarker::vusb);
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} else {
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m_objChannelMarker.setSidebands(ChannelMarker::vusb);
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}
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}
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else
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{
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if (ui->decimatorEnable->isChecked()) {
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m_objChannelMarker.setBandwidth(ui->rfBW->value()*m_rfSliderDivisor);
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} else {
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m_objChannelMarker.setBandwidth(m_objChannelizer->getInputSampleRate());
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}
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m_objChannelMarker.setSidebands(ChannelMarker::dsb);
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}
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m_blnDoApplySettings = true;
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}
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void ATVDemodGUI::setRFFiltersSlidersRange(int sampleRate)
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{
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// RF filters sliders range
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int scaleFactor = (int) std::log10(sampleRate/2);
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m_rfSliderDivisor = std::pow(10.0, scaleFactor-1);
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if (sampleRate/m_rfSliderDivisor < 50) {
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m_rfSliderDivisor /= 10;
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}
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if (ui->rfFiltering->isChecked())
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{
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ui->rfBW->setMaximum((sampleRate) / (2*m_rfSliderDivisor));
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ui->rfOppBW->setMaximum((sampleRate) / (2*m_rfSliderDivisor));
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}
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else
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{
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ui->rfBW->setMaximum((sampleRate) / m_rfSliderDivisor);
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ui->rfOppBW->setMaximum((sampleRate) / m_rfSliderDivisor);
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}
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ui->rfBWText->setText(QString("%1k").arg((ui->rfBW->value() * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
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ui->rfOppBWText->setText(QString("%1k").arg((ui->rfOppBW->value() * m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
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}
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void ATVDemodGUI::leaveEvent(QEvent*)
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{
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blockApplySettings(true);
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m_objChannelMarker.setHighlighted(false);
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blockApplySettings(false);
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}
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void ATVDemodGUI::enterEvent(QEvent*)
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{
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blockApplySettings(true);
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m_objChannelMarker.setHighlighted(true);
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blockApplySettings(false);
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}
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void ATVDemodGUI::tick()
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{
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if (m_intTickCount < 4) // ~200 ms
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{
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m_intTickCount++;
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}
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else
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{
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if (m_objATVDemod)
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{
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m_objMagSqAverage.feed(m_objATVDemod->getMagSq());
|
|
double magSqDB = CalcDb::dbPower(m_objMagSqAverage.average() / (1<<30));
|
|
ui->channePowerText->setText(tr("%1 dB").arg(magSqDB, 0, 'f', 1));
|
|
|
|
if (m_objATVDemod->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)
|
|
{
|
|
lineTimeUpdate();
|
|
topTimeUpdate();
|
|
applySettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_fps_currentIndexChanged(int index)
|
|
{
|
|
lineTimeUpdate();
|
|
topTimeUpdate();
|
|
applySettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_standard_currentIndexChanged(int index)
|
|
{
|
|
applySettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_reset_clicked(bool checked)
|
|
{
|
|
resetToDefaults();
|
|
}
|
|
|
|
void ATVDemodGUI::on_modulation_currentIndexChanged(int index)
|
|
{
|
|
setRFFiltersSlidersRange(m_objATVDemod->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)
|
|
{
|
|
setRFFiltersSlidersRange(m_objATVDemod->getEffectiveSampleRate());
|
|
setChannelMarkerBandwidth();
|
|
applyRFSettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_decimatorEnable_toggled(bool checked)
|
|
{
|
|
setChannelMarkerBandwidth();
|
|
applyRFSettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_deltaFrequency_changed(quint64 value)
|
|
{
|
|
if (ui->deltaFrequencyMinus->isChecked()) {
|
|
m_objChannelMarker.setCenterFrequency(-value);
|
|
} else {
|
|
m_objChannelMarker.setCenterFrequency(value);
|
|
}
|
|
}
|
|
|
|
void ATVDemodGUI::on_deltaFrequencyMinus_toggled(bool minus)
|
|
{
|
|
int deltaFrequency = m_objChannelMarker.getCenterFrequency();
|
|
bool minusDelta = (deltaFrequency < 0);
|
|
|
|
if (minus ^ minusDelta) // sign change
|
|
{
|
|
m_objChannelMarker.setCenterFrequency(-deltaFrequency);
|
|
}
|
|
}
|
|
|
|
void ATVDemodGUI::on_bfo_valueChanged(int value)
|
|
{
|
|
ui->bfoText->setText(QString("%1").arg(value * 10.0, 0, 'f', 0));
|
|
applyRFSettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_fmDeviation_valueChanged(int value)
|
|
{
|
|
ui->fmDeviationText->setText(QString("%1").arg(value));
|
|
applyRFSettings();
|
|
}
|
|
|
|
void ATVDemodGUI::on_screenTabWidget_currentChanged(int index)
|
|
{
|
|
applySettings();
|
|
}
|
|
|
|
void ATVDemodGUI::lineTimeUpdate()
|
|
{
|
|
float nominalLineTime = getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex());
|
|
int lineTimeScaleFactor = (int) std::log10(nominalLineTime);
|
|
|
|
if (m_objATVDemod->getEffectiveSampleRate() == 0) {
|
|
m_fltLineTimeMultiplier = std::pow(10.0, lineTimeScaleFactor-3);
|
|
} else {
|
|
m_fltLineTimeMultiplier = 1.0f / m_objATVDemod->getEffectiveSampleRate();
|
|
}
|
|
|
|
float lineTime = nominalLineTime + m_fltLineTimeMultiplier * ui->lineTime->value();
|
|
|
|
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_objATVDemod->getEffectiveSampleRate() == 0) {
|
|
m_fltTopTimeMultiplier = std::pow(10.0, topTimeScaleFactor-3);
|
|
} else {
|
|
m_fltTopTimeMultiplier = 1.0f / m_objATVDemod->getEffectiveSampleRate();
|
|
}
|
|
|
|
float topTime = nominalTopTime + m_fltTopTimeMultiplier * ui->topTime->value();
|
|
|
|
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 1:
|
|
return 30.0f;
|
|
break;
|
|
case 2:
|
|
return 20.0f;
|
|
break;
|
|
case 3:
|
|
return 16.0f;
|
|
break;
|
|
case 0:
|
|
default:
|
|
return 25.0f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
float ATVDemodGUI::getNominalLineTime(int nbLinesIndex, int fpsIndex)
|
|
{
|
|
float fps = getFps(fpsIndex);
|
|
|
|
switch(nbLinesIndex)
|
|
{
|
|
case 1:
|
|
return 1.0f / (525 * fps);
|
|
break;
|
|
case 2:
|
|
return 1.0f / (405 * fps);
|
|
break;
|
|
case 0:
|
|
default:
|
|
return 1.0f / (625 * fps);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int ATVDemodGUI::getNumberOfLines(int nbLinesIndex)
|
|
{
|
|
switch(nbLinesIndex)
|
|
{
|
|
case 1:
|
|
return 525;
|
|
break;
|
|
case 2:
|
|
return 405;
|
|
break;
|
|
case 0:
|
|
default:
|
|
return 625;
|
|
break;
|
|
}
|
|
}
|