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sdrangel/plugins/channeltx/moddatv/datvmodsettings.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// 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 "util/simpleserializer.h"
#include "settings/serializable.h"
#include "datvmodsettings.h"
#include "dvb-s/dvb-s.h"
const QStringList DATVModSettings::m_codeRateStrings = {"1/2", "2/3", "3/4", "5/6", "7/8", "4/5", "8/9", "9/10", "1/4", "1/3", "2/5", "3/5"};
const QStringList DATVModSettings::m_modulationStrings = {"BPSK", "QPSK", "8PSK", "16APSK", "32APSK"};
const QStringList DATVModSettings::m_codecStrings = {"HEVC", "H264"};
DATVModSettings::DATVModSettings() :
m_channelMarker(nullptr),
m_rollupState(nullptr)
{
resetToDefaults();
}
void DATVModSettings::resetToDefaults()
{
m_inputFrequencyOffset = 0;
m_rfBandwidth = 1000000;
m_standard = DVB_S;
m_modulation = QPSK;
m_fec = FEC12;
m_symbolRate = 250000;
m_rollOff = 0.35f;
m_source = SourceFile;
m_imageFileName = "";
m_imageOverlayTimestamp = false;
m_imageServiceProvider = "SDRangel";
m_imageServiceName = "SDRangel_TV";
m_imageCodec = CodecHEVC;
m_tsFileName = "";
m_tsFilePlayLoop = false;
m_tsFilePlay = false;
m_udpAddress = "127.0.0.1";
m_udpPort = 5004;
m_channelMute = false;
m_rgbColor = QColor(Qt::magenta).rgb();
m_title = "DATV Modulator";
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 DATVModSettings::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_inputFrequencyOffset);
s.writeReal(2, m_rfBandwidth);
s.writeS32(3, (int) m_standard);
s.writeS32(4, (int) m_modulation);
s.writeS32(5, (int) m_fec);
s.writeS32(6, m_symbolRate);
s.writeReal(7, m_rollOff);
s.writeS32(10, (int) m_source);
s.writeString(11, m_tsFileName);
s.writeBool(12, m_tsFilePlayLoop);
s.writeString(13, m_udpAddress);
s.writeU32(14, m_udpPort);
s.writeString(20, m_title);
s.writeU32(21, m_rgbColor);
if (m_channelMarker) {
s.writeBlob(22, m_channelMarker->serialize());
}
s.writeBool(23, m_useReverseAPI);
s.writeString(24, m_reverseAPIAddress);
s.writeU32(25, m_reverseAPIPort);
s.writeU32(26, m_reverseAPIDeviceIndex);
s.writeU32(27, m_reverseAPIChannelIndex);
s.writeS32(28, m_streamIndex);
if (m_rollupState) {
s.writeBlob(29, m_rollupState->serialize());
}
s.writeS32(30, m_workspaceIndex);
s.writeBlob(31, m_geometryBytes);
s.writeBool(32, m_hidden);
s.writeString(33, m_imageFileName);
s.writeBool(34, m_imageOverlayTimestamp);
s.writeString(35, m_imageServiceProvider);
s.writeString(36, m_imageServiceName);
s.writeS32(37, (int) m_imageCodec);
return s.final();
}
bool DATVModSettings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid())
{
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
QByteArray bytetmp;
qint32 tmp;
uint32_t utmp;
d.readS32(1, &tmp, 0);
m_inputFrequencyOffset = tmp;
d.readReal(2, &m_rfBandwidth, 1000000);
d.readS32(3, (int *) &m_standard, (int)DVB_S);
d.readS32(4, (int *) &m_modulation, (int)QPSK);
d.readS32(5, (int *) &m_fec, (int)FEC12);
d.readS32(6, &m_symbolRate, 250000);
d.readReal(7, &m_rollOff, 0.35f);
d.readS32(10, (int *)&m_source, (int)SourceFile);
d.readString(11, &m_tsFileName);
d.readBool(12, &m_tsFilePlayLoop, false);
d.readString(13, &m_udpAddress, "127.0.0.1");
d.readU32(14, &utmp, 0);
if ((utmp > 1023) && (utmp < 65536)) {
m_udpPort = utmp;
} else {
m_udpPort = 5004;
}
d.readString(20, &m_title, "DATV Modulator");
d.readU32(21, &m_rgbColor, QColor(Qt::magenta).rgb());
if (m_channelMarker)
{
d.readBlob(22, &bytetmp);
m_channelMarker->deserialize(bytetmp);
}
d.readBool(23, &m_useReverseAPI, false);
d.readString(24, &m_reverseAPIAddress, "127.0.0.1");
d.readU32(25, &utmp, 0);
if ((utmp > 1023) && (utmp < 65535)) {
m_reverseAPIPort = utmp;
} else {
m_reverseAPIPort = 8888;
}
d.readU32(26, &utmp, 0);
m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
d.readU32(27, &utmp, 0);
m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
d.readS32(28, &m_streamIndex, 0);
if (m_rollupState)
{
d.readBlob(29, &bytetmp);
m_rollupState->deserialize(bytetmp);
}
d.readS32(30, &m_workspaceIndex, 0);
d.readBlob(31, &m_geometryBytes);
d.readBool(32, &m_hidden, false);
d.readString(33, &m_imageFileName, "");
d.readBool(34, &m_imageOverlayTimestamp, false);
d.readString(35, &m_imageServiceProvider, "SDRangel");
d.readString(36, &m_imageServiceName, "SDRangel_TV");
d.readS32(37, (int *)&m_imageCodec, (int)DATVModSettings::CodecHEVC);
return true;
}
else
{
resetToDefaults();
return false;
}
}
DATVModSettings::DATVCodeRate DATVModSettings::mapCodeRate(const QString& string)
{
for (int i = 0; i < m_codeRateStrings.size(); i++)
{
if (string == m_codeRateStrings[i])
return (DATVCodeRate)i;
}
return FEC12;
}
QString DATVModSettings::mapCodeRate(DATVCodeRate codeRate)
{
return m_codeRateStrings[codeRate];
}
DATVModSettings::DATVModulation DATVModSettings::mapModulation(const QString& string)
{
for (int i = 0; i < m_modulationStrings.size(); i++)
{
if (string == m_modulationStrings[i])
return (DATVModulation)i;
}
return QPSK;
}
QString DATVModSettings::mapModulation(DATVModulation modulation)
{
return m_modulationStrings[modulation];
}
int DATVModSettings::getDVBSDataBitrate() const
{
float fecFactor;
float plFactor;
float bitsPerSymbol;
switch (m_modulation)
{
case DATVModSettings::BPSK:
bitsPerSymbol = 1.0f;
break;
case DATVModSettings::QPSK:
bitsPerSymbol = 2.0f;
break;
case DATVModSettings::PSK8:
bitsPerSymbol = 3.0f;
break;
case DATVModSettings::APSK16:
bitsPerSymbol = 4.0f;
break;
case DATVModSettings::APSK32:
bitsPerSymbol = 5.0f;
break;
}
if (m_standard == DATVModSettings::DVB_S)
{
float rsFactor;
float convFactor;
rsFactor = DVBS::tsPacketLen/(float)DVBS::rsPacketLen;
switch (m_fec)
{
case DATVModSettings::FEC12:
convFactor = 1.0f/2.0f;
break;
case DATVModSettings::FEC23:
convFactor = 2.0f/3.0f;
break;
case DATVModSettings::FEC34:
convFactor = 3.0f/4.0f;
break;
case DATVModSettings::FEC56:
convFactor = 5.0f/6.0f;
break;
case DATVModSettings::FEC78:
convFactor = 7.0f/8.0f;
break;
case DATVModSettings::FEC45:
convFactor = 4.0f/5.0f;
break;
case DATVModSettings::FEC89:
convFactor = 8.0f/9.0f;
break;
case DATVModSettings::FEC910:
convFactor = 9.0f/10.0f;
break;
case DATVModSettings::FEC14:
convFactor = 1.0f/4.0f;
break;
case DATVModSettings::FEC13:
convFactor = 1.0f/3.0f;
break;
case DATVModSettings::FEC25:
convFactor = 2.0f/5.0f;
break;
case DATVModSettings::FEC35:
convFactor = 3.0f/5.0f;
break;
}
fecFactor = rsFactor * convFactor;
plFactor = 1.0f;
}
else
{
// For normal frames
int codedBlockSize = 64800;
int uncodedBlockSize;
int bbHeaderBits = 80;
// See table 5a in DVBS2 spec
switch (m_fec)
{
case DATVModSettings::FEC12:
uncodedBlockSize = 32208;
break;
case DATVModSettings::FEC23:
uncodedBlockSize = 43040;
break;
case DATVModSettings::FEC34:
uncodedBlockSize = 48408;
break;
case DATVModSettings::FEC56:
uncodedBlockSize = 53840;
break;
case DATVModSettings::FEC45:
uncodedBlockSize = 51648;
break;
case DATVModSettings::FEC89:
uncodedBlockSize = 57472;
break;
case DATVModSettings::FEC910:
uncodedBlockSize = 58192;
break;
case DATVModSettings::FEC14:
uncodedBlockSize = 16008;
break;
case DATVModSettings::FEC13:
uncodedBlockSize = 21408;
break;
case DATVModSettings::FEC25:
uncodedBlockSize = 25728;
break;
case DATVModSettings::FEC35:
uncodedBlockSize = 38688;
break;
default:
qDebug("DATVModSettings::getDVBSDataBitrate: Unsupported DVB-S2 code rate");
break;
}
fecFactor = (uncodedBlockSize-bbHeaderBits)/(float)codedBlockSize;
float symbolsPerFrame = codedBlockSize/bitsPerSymbol;
// 90 symbols for PL header
plFactor = symbolsPerFrame / (symbolsPerFrame + 90.0f);
}
return std::round(m_symbolRate * bitsPerSymbol * fecFactor * plFactor);
}
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