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sdrangel/plugins/channelrx/demodatv/atvdemodsettings.cpp

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