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sdrangel/plugins/channelrx/demodatv/atvdemodsettings.cpp

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9.7 KiB
C++
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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017-2020, 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2020 Vort <vvort@yandex.ru> //
// Copyright (C) 2021 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// 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 //
// (at your option) any later version. //
// //
// 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(nullptr),
m_rollupState(nullptr)
{
resetToDefaults();
}
void ATVDemodSettings::resetToDefaults()
{
m_inputFrequencyOffset = 0;
m_bfoFrequency = 0.0f;
m_atvModulation = ATV_FM1;
m_fmDeviation = 0.5f;
m_amScalingFactor = 100;
m_amOffsetFactor = 0;
m_fftFiltering = false;
m_fftOppBandwidth = 0;
m_fftBandwidth = 6000;
m_nbLines = 625;
m_fps = 25;
m_atvStd = ATVStdPAL625;
m_hSync = false;
m_vSync = false;
m_invertVideo = false;
m_halfFrames = false; // m_fltRatioOfRowsToDisplay = 1.0
m_levelSynchroTop = 0.15f;
m_levelBlack = 0.3f;
m_rgbColor = QColor(255, 255, 255).rgb();
m_title = "ATV Demodulator";
m_udpAddress = "127.0.0.1";
m_udpPort = 9999;
m_streamIndex = 0;
m_useReverseAPI = false;
m_reverseAPIAddress = "127.0.0.1";
m_reverseAPIPort = 8888;
m_reverseAPIDeviceIndex = 0;
m_reverseAPIChannelIndex = 0;
m_workspaceIndex = 0;
m_hidden = false;
}
QByteArray ATVDemodSettings::serialize() const
{
SimpleSerializer s(1);
s.writeS64(1, m_inputFrequencyOffset);
s.writeU32(2, m_rgbColor);
s.writeS32(3, roundf(m_levelSynchroTop*1000.0)); // mV
s.writeS32(4, roundf(m_levelBlack*1000.0)); // mV
s.writeS32(7, m_atvModulation);
s.writeS32(8, m_fps);
s.writeBool(9, m_hSync);
s.writeBool(10,m_vSync);
s.writeBool(11, m_halfFrames);
s.writeU32(12, m_fftBandwidth);
s.writeU32(13, m_fftOppBandwidth);
s.writeS32(14, m_bfoFrequency);
s.writeBool(15, m_invertVideo);
s.writeS32(16, m_nbLines);
s.writeS32(17, roundf(m_fmDeviation * 500.0));
s.writeS32(18, m_atvStd);
if (m_channelMarker) {
s.writeBlob(19, m_channelMarker->serialize());
}
s.writeString(20, m_title);
s.writeS32(21, m_streamIndex);
s.writeS32(22, m_amScalingFactor);
s.writeS32(23, m_amOffsetFactor);
s.writeBool(24, m_fftFiltering);
if (m_rollupState) {
s.writeBlob(25, m_rollupState->serialize());
}
s.writeBool(26, m_useReverseAPI);
s.writeString(27, m_reverseAPIAddress);
s.writeU32(28, m_reverseAPIPort);
s.writeU32(29, m_reverseAPIDeviceIndex);
s.writeU32(30, m_reverseAPIChannelIndex);
s.writeS32(31, m_workspaceIndex);
s.writeBlob(32, m_geometryBytes);
s.writeBool(33, m_hidden);
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;
uint32_t utmp;
d.readS64(1, &m_inputFrequencyOffset, 0);
// TODO: rgb color
d.readS32(3, &tmp, 100);
m_levelSynchroTop = tmp / 1000.0f;
d.readS32(4, &tmp, 310);
m_levelBlack = tmp / 1000.0f;
d.readS32(7, &tmp, 0);
m_atvModulation = static_cast<ATVModulation>(tmp);
d.readS32(8, &tmp, 25);
int fpsIndex = getFpsIndex(tmp);
m_fps = getFps(fpsIndex);
d.readBool(9, &m_hSync, false);
d.readBool(10, &m_vSync, false);
d.readBool(11, &m_halfFrames, false);
d.readU32(12, &m_fftBandwidth, 6000);
d.readU32(13, &m_fftOppBandwidth, 0);
d.readS32(14, &m_bfoFrequency, 0);
d.readBool(15, &m_invertVideo, false);
d.readS32(16, &tmp, 625);
int nbLinesIndex = getNumberOfLinesIndex(tmp);
m_nbLines = getNumberOfLines(nbLinesIndex);
d.readS32(17, &tmp, 250);
m_fmDeviation = tmp / 500.0f;
d.readS32(18, &tmp, 1);
if (m_channelMarker)
{
d.readBlob(19, &bytetmp);
m_channelMarker->deserialize(bytetmp);
}
m_atvStd = static_cast<ATVStd>(tmp);
d.readS32(21, &m_streamIndex, 0);
d.readS32(22, &m_amScalingFactor, 100);
d.readS32(23, &m_amOffsetFactor, 0);
d.readBool(24, &m_fftFiltering, false);
if (m_rollupState)
{
d.readBlob(25, &bytetmp);
m_rollupState->deserialize(bytetmp);
}
d.readBool(26, &m_useReverseAPI, false);
d.readString(27, &m_reverseAPIAddress, "127.0.0.1");
d.readU32(28, &utmp, 0);
if ((utmp > 1023) && (utmp < 65535)) {
m_reverseAPIPort = utmp;
} else {
m_reverseAPIPort = 8888;
}
d.readU32(29, &utmp, 0);
m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
d.readU32(30, &utmp, 0);
m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
d.readS32(31, &m_workspaceIndex, 0);
d.readBlob(32, &m_geometryBytes);
d.readBool(33, &m_hidden, false);
return true;
}
else
{
resetToDefaults();
return false;
}
}
int ATVDemodSettings::getFps(int fpsIndex)
{
switch(fpsIndex)
{
case 0:
return 30;
break;
case 2:
return 20;
break;
case 3:
return 16;
break;
case 4:
return 12;
break;
case 5:
return 10;
break;
case 6:
return 8;
break;
case 7:
return 5;
break;
case 8:
return 2;
break;
case 9:
return 1;
break;
case 1:
default:
return 25;
break;
}
}
int ATVDemodSettings::getFpsIndex(int fps)
{
if (fps <= 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 819;
break;
case 1:
return 640;
break;
case 3:
return 525;
break;
case 4:
return 480;
break;
case 5:
return 405;
break;
case 6:
return 360;
break;
case 7:
return 343;
break;
case 8:
return 240;
break;
case 9:
return 180;
break;
case 10:
return 120;
break;
case 11:
return 90;
break;
case 12:
return 60;
break;
case 13:
return 32;
break;
case 2:
default:
return 625;
break;
}
}
int ATVDemodSettings::getNumberOfLinesIndex(int nbLines)
{
if (nbLines <= 32) {
return 13;
} else if (nbLines <= 60) {
return 12;
} else if (nbLines <= 90) {
return 11;
} else if (nbLines <= 120) {
return 10;
} else if (nbLines <= 180) {
return 9;
} else if (nbLines <= 240) {
return 8;
} else if (nbLines <= 343) {
return 7;
} else if (nbLines <= 360) {
return 6;
} else if (nbLines <= 405) {
return 5;
} else if (nbLines <= 480) {
return 4;
} else if (nbLines <= 525) {
return 3;
} else if (nbLines <= 625) {
return 2;
} else if (nbLines <= 640) {
return 2;
} else {
return 0;
}
}
float ATVDemodSettings::getNominalLineTime(int nbLines, int fps)
{
return 1.0f / ((float) nbLines * (float) fps);
}
int ATVDemodSettings::getRFSliderDivisor(unsigned int sampleRate)
{
int scaleFactor = (int) std::log10(sampleRate/2);
return std::pow(10.0, scaleFactor-1);
}
float ATVDemodSettings::getRFBandwidthDivisor(ATVModulation modulation)
{
switch(modulation)
{
case ATV_USB:
case ATV_LSB:
return 1.05f;
break;
case ATV_FM1:
case ATV_FM2:
case ATV_AM:
default:
return 2.2f;
}
}
void ATVDemodSettings::getBaseValues(int sampleRate, int linesPerSecond, uint32_t& nbPointsPerLine)
{
nbPointsPerLine = sampleRate / linesPerSecond;
nbPointsPerLine = nbPointsPerLine == 0 ? 1 : nbPointsPerLine;
}
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