mirror of
https://github.com/f4exb/sdrangel.git
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397 lines
11 KiB
C++
397 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 F4EXB //
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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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// (at your option) any later version. //
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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 <QColor>
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#include "dsp/dspengine.h"
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#include "util/simpleserializer.h"
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#include "settings/serializable.h"
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#include "atvdemodsettings.h"
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ATVDemodSettings::ATVDemodSettings() :
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m_channelMarker(0)
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{
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resetToDefaults();
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}
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void ATVDemodSettings::resetToDefaults()
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{
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m_lineTimeFactor = 0;
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m_topTimeFactor = 0;
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m_fpsIndex = 1; // 25 FPS
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m_halfImage = false; // m_fltRatioOfRowsToDisplay = 1.0
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m_RFBandwidthFactor = 10;
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m_OppBandwidthFactor = 10;
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m_nbLinesIndex = 1; // 625 lines
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m_intFrequencyOffset = 0;
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m_enmModulation = ATV_FM1;
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m_fltRFBandwidth = 0;
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m_fltRFOppBandwidth = 0;
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m_blnFFTFiltering = false;
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m_blndecimatorEnable = false;
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m_fltBFOFrequency = 0.0f;
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m_fmDeviation = 0.5f;
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m_intSampleRate = 0;
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m_enmATVStandard = ATVStdPAL625;
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m_intNumberOfLines = 625;
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m_fltLineDuration = 0.0f;
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m_fltTopDuration = 0.0f;
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m_fltFramePerS = 25.0f;
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m_fltRatioOfRowsToDisplay = 1.0f;
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m_fltVoltLevelSynchroTop = 0.0f;
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m_fltVoltLevelSynchroBlack = 1.0f;
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m_blnHSync = false;
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m_blnVSync = false;
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m_blnInvertVideo = false;
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m_intVideoTabIndex = 0;
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m_fltLineTimeMultiplier = 1.0f;
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m_fltTopTimeMultiplier = 1.0f;
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m_rfSliderDivisor = 1;
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m_intTVSampleRate = 0;
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m_intNumberSamplePerLine = 0;
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m_rgbColor = QColor(255, 255, 255).rgb();
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m_title = "ATV Demodulator";
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m_udpAddress = "127.0.0.1";
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m_udpPort = 9999;
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}
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QByteArray ATVDemodSettings::serialize() const
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{
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SimpleSerializer s(1);
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s.writeS32(1, m_intFrequencyOffset);
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s.writeU32(2, m_rgbColor);
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s.writeS32(3, roundf(m_fltVoltLevelSynchroTop*1000.0)); // mV
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s.writeS32(4, roundf(m_fltVoltLevelSynchroBlack*1000.0)); // mV
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s.writeS32(5, m_lineTimeFactor); // added UI
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s.writeS32(6, m_topTimeFactor); // added UI
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s.writeS32(7, m_enmModulation);
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s.writeS32(8, m_fpsIndex); // added UI
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s.writeBool(9, m_blnHSync);
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s.writeBool(10,m_blnVSync);
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s.writeBool(11, m_halfImage); // added UI
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s.writeS32(12, m_RFBandwidthFactor); // added UI
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s.writeS32(13, m_OppBandwidthFactor); // added UI
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s.writeS32(14, roundf(m_fltBFOFrequency));
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s.writeBool(15, m_blnInvertVideo);
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s.writeS32(16, m_nbLinesIndex); // added UI
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s.writeS32(17, roundf(m_fmDeviation * 500.0));
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s.writeS32(18, m_enmATVStandard);
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if (m_channelMarker) {
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s.writeBlob(19, m_channelMarker->serialize());
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}
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s.writeString(20, m_title);
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return s.final();
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}
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bool ATVDemodSettings::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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int tmp;
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d.readS32(1, &m_intFrequencyOffset, 0);
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// TODO: rgb color
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d.readS32(3, &tmp, 100);
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m_fltVoltLevelSynchroTop = tmp / 1000.0f;
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d.readS32(4, &tmp, 310);
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m_fltVoltLevelSynchroBlack = tmp / 1000.0f;
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d.readS32(5, &m_lineTimeFactor, 0); // added UI
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d.readS32(6, &m_topTimeFactor, 0); // added UI
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d.readS32(7, &tmp, 0);
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m_enmModulation = static_cast<ATVModulation>(tmp);
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d.readS32(8, &m_fpsIndex, 1); // added UI
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d.readBool(9, &m_blnHSync, false);
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d.readBool(10, &m_blnVSync, false);
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d.readBool(11, &m_halfImage, false); // added UI
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d.readS32(12, &m_RFBandwidthFactor, 10); // added UI
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d.readS32(13, &m_OppBandwidthFactor, 10); // added UI
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d.readS32(14, &tmp, 10);
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m_fltBFOFrequency = static_cast<float>(tmp);
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d.readBool(15, &m_blnInvertVideo, false);
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d.readS32(16, &m_nbLinesIndex, 1); // added UI
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d.readS32(17, &tmp, 250);
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m_fmDeviation = tmp / 500.0f;
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d.readS32(18, &tmp, 1);
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m_enmATVStandard = static_cast<ATVStd>(tmp);
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// TODO: calculate values from UI values
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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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int ATVDemodSettings::getEffectiveSampleRate()
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{
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return m_blndecimatorEnable ? m_intTVSampleRate : m_intSampleRate;
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}
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float ATVDemodSettings::getFps(int fpsIndex)
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{
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switch(fpsIndex)
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{
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case 0:
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return 30.0f;
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break;
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case 2:
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return 20.0f;
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break;
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case 3:
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return 16.0f;
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break;
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case 4:
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return 12.0f;
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break;
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case 5:
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return 10.0f;
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break;
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case 6:
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return 8.0f;
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break;
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case 7:
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return 5.0f;
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break;
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case 8:
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return 2.0f;
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break;
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case 9:
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return 1.0f;
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break;
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case 1:
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default:
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return 25.0f;
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break;
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}
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}
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int ATVDemodSettings::getFpsIndex(float fps)
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{
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int fpsi = roundf(fps);
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if (fpsi <= 1) {
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return 9;
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} else if (fps <= 2) {
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return 8;
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} else if (fps <= 5) {
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return 7;
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} else if (fps <= 8) {
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return 6;
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} else if (fps <= 10) {
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return 5;
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} else if (fps <= 12) {
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return 4;
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} else if (fps <= 16) {
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return 3;
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} else if (fps <= 20) {
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return 2;
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} else if (fps <= 25) {
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return 1;
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} else {
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return 0;
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}
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}
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int ATVDemodSettings::getNumberOfLines(int nbLinesIndex)
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{
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switch(nbLinesIndex)
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{
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case 0:
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return 640;
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break;
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case 2:
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return 525;
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break;
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case 3:
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return 480;
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break;
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case 4:
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return 405;
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break;
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case 5:
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return 360;
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break;
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case 6:
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return 343;
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break;
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case 7:
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return 240;
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break;
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case 8:
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return 180;
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break;
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case 9:
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return 120;
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break;
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case 10:
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return 90;
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break;
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case 11:
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return 60;
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break;
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case 12:
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return 32;
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break;
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case 1:
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default:
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return 625;
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break;
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}
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}
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int ATVDemodSettings::getNumberOfLinesIndex(int nbLines)
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{
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if (nbLines <= 32) {
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return 12;
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} else if (nbLines <= 60) {
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return 11;
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} else if (nbLines <= 90) {
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return 10;
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} else if (nbLines <= 120) {
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return 9;
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} else if (nbLines <= 180) {
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return 8;
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} else if (nbLines <= 240) {
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return 7;
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} else if (nbLines <= 343) {
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return 6;
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} else if (nbLines <= 360) {
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return 5;
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} else if (nbLines <= 405) {
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return 4;
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} else if (nbLines <= 480) {
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return 3;
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} else if (nbLines <= 525) {
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return 2;
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} else if (nbLines <= 625) {
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return 1;
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} else {
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return 0;
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}
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}
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float ATVDemodSettings::getNominalLineTime(int nbLinesIndex, int fpsIndex)
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{
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float fps = getFps(fpsIndex);
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int nbLines = getNumberOfLines(nbLinesIndex);
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return 1.0f / (nbLines * fps);
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}
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/**
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* calculates m_fltLineTimeMultiplier
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*/
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void ATVDemodSettings::lineTimeUpdate()
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{
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float nominalLineTime = getNominalLineTime(m_nbLinesIndex, m_fpsIndex);
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int lineTimeScaleFactor = (int) std::log10(nominalLineTime);
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if (getEffectiveSampleRate() == 0) {
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m_fltLineTimeMultiplier = std::pow(10.0, lineTimeScaleFactor-3);
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} else {
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m_fltLineTimeMultiplier = 1.0f / getEffectiveSampleRate();
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}
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}
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float ATVDemodSettings::getLineTime()
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{
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return getNominalLineTime(m_nbLinesIndex, m_fpsIndex) + m_fltLineTimeMultiplier * m_lineTimeFactor;
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}
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int ATVDemodSettings::getLineTimeFactor()
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{
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return roundf((m_fltLineDuration - getNominalLineTime(m_nbLinesIndex, m_fpsIndex)) / m_fltLineTimeMultiplier);
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}
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/**
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* calculates m_fltTopTimeMultiplier
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*/
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void ATVDemodSettings::topTimeUpdate()
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{
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float nominalTopTime = getNominalLineTime(m_nbLinesIndex, m_fpsIndex) * (4.7f / 64.0f);
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int topTimeScaleFactor = (int) std::log10(nominalTopTime);
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if (getEffectiveSampleRate() == 0) {
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m_fltTopTimeMultiplier = std::pow(10.0, topTimeScaleFactor-3);
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} else {
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m_fltTopTimeMultiplier = 1.0f / getEffectiveSampleRate();
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}
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}
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float ATVDemodSettings::getTopTime()
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{
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return getNominalLineTime(m_nbLinesIndex, m_fpsIndex) * (4.7f / 64.0f) + m_fltTopTimeMultiplier * m_topTimeFactor;
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}
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int ATVDemodSettings::getTopTimeFactor()
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{
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return roundf((m_fltTopDuration - getNominalLineTime(m_nbLinesIndex, m_fpsIndex) * (4.7f / 64.0f)) / m_fltLineTimeMultiplier);
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}
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void ATVDemodSettings::convertFromUIValues()
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{
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lineTimeUpdate();
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m_fltLineDuration = getLineTime();
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topTimeUpdate();
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m_fltTopDuration = getTopTime();
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m_fltRFBandwidth = m_RFBandwidthFactor * getRFSliderDivisor() * 1.0f;
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m_fltRFOppBandwidth = m_OppBandwidthFactor * getRFSliderDivisor() * 1.0f;
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m_fltFramePerS = getFps(m_fpsIndex);
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m_intNumberOfLines = getNumberOfLines(m_nbLinesIndex);
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}
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void ATVDemodSettings::convertToUIValues()
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{
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m_lineTimeFactor = getTopTimeFactor();
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m_topTimeFactor = getTopTimeFactor();
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m_RFBandwidthFactor = roundf(m_fltRFBandwidth / getRFSliderDivisor());
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m_RFBandwidthFactor = m_RFBandwidthFactor < 1 ? 1 : m_RFBandwidthFactor;
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m_OppBandwidthFactor = roundf(m_fltRFOppBandwidth / getRFSliderDivisor());
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m_fpsIndex = getFpsIndex(m_fltFramePerS);
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m_nbLinesIndex = getNumberOfLinesIndex(m_intNumberOfLines);
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}
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int ATVDemodSettings::getRFSliderDivisor()
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{
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int sampleRate = getEffectiveSampleRate();
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int scaleFactor = (int) std::log10(sampleRate/2);
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return std::pow(10.0, scaleFactor-1);
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}
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