sdrangel/plugins/channelrx/demodatv/atvdemod.cpp

175 wiersze
6.1 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 F4HKW //
// for F4EXB / SDRAngel //
// //
// 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 <QTime>
#include <QDebug>
#include <stdio.h>
#include <complex.h>
#include "dsp/dspengine.h"
#include "device/deviceapi.h"
#include "atvdemod.h"
MESSAGE_CLASS_DEFINITION(ATVDemod::MsgConfigureATVDemod, Message)
const char* const ATVDemod::m_channelIdURI = "sdrangel.channel.demodatv";
const char* const ATVDemod::m_channelId = "ATVDemod";
ATVDemod::ATVDemod(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_centerFrequency(0),
m_basebandSampleRate(0)
{
qDebug("ATVDemod::ATVDemod");
setObjectName(m_channelId);
m_basebandSink = new ATVDemodBaseband();
m_basebandSink->moveToThread(&m_thread);
applySettings(m_settings, true);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
}
ATVDemod::~ATVDemod()
{
qDebug("ATVDemod::~ATVDemod");
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this);
if (m_basebandSink->isRunning()) {
stop();
}
delete m_basebandSink;
}
void ATVDemod::start()
{
qDebug("ATVDemod::start");
m_basebandSink->reset();
m_basebandSink->startWork();
m_thread.start();
// re-apply essential messages
DSPSignalNotification* notifToSink = new DSPSignalNotification(m_basebandSampleRate, m_centerFrequency);
m_basebandSink->getInputMessageQueue()->push(notifToSink);
ATVDemodBaseband::MsgConfigureATVDemodBaseband *msg = ATVDemodBaseband::MsgConfigureATVDemodBaseband::create(m_settings, true);
m_basebandSink->getInputMessageQueue()->push(msg);
}
void ATVDemod::stop()
{
qDebug("ATVDemod::stop");
m_basebandSink->stopWork();
m_thread.exit();
m_thread.wait();
}
void ATVDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
m_basebandSink->feed(begin, end);
}
bool ATVDemod::handleMessage(const Message& cmd)
{
if (MsgConfigureATVDemod::match(cmd))
{
MsgConfigureATVDemod& cfg = (MsgConfigureATVDemod&) cmd;
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
m_centerFrequency = notif.getCenterFrequency();
m_basebandSampleRate = notif.getSampleRate(); // store for init at start
qDebug() << "ATVDemod::handleMessage: DSPSignalNotification" << m_basebandSampleRate;
// Forward to the sink
DSPSignalNotification* notifToSink = new DSPSignalNotification(notif); // make a copy
m_basebandSink->getInputMessageQueue()->push(notifToSink);
// Forward to GUI
if (getMessageQueueToGUI())
{
DSPSignalNotification *notifToGUI = new DSPSignalNotification(notif);
getMessageQueueToGUI()->push(notifToGUI);
}
return true;
}
else
{
return false;
}
}
void ATVDemod::setCenterFrequency(qint64 frequency)
{
ATVDemodSettings settings = m_settings;
settings.m_inputFrequencyOffset = frequency;
applySettings(settings, false);
if (getMessageQueueToGUI())
{
MsgConfigureATVDemod *msg = MsgConfigureATVDemod::create(settings, false);
getMessageQueueToGUI()->push(msg);
}
}
void ATVDemod::applySettings(const ATVDemodSettings& settings, bool force)
{
qDebug() << "ATVDemod::applySettings:"
<< "m_inputFrequencyOffset:" << settings.m_inputFrequencyOffset
<< "m_bfoFrequency:" << settings.m_bfoFrequency
<< "m_atvModulation:" << settings.m_atvModulation
<< "m_fmDeviation:" << settings.m_fmDeviation
<< "m_fftFiltering:" << settings.m_fftFiltering
<< "m_fftOppBandwidth:" << settings.m_fftOppBandwidth
<< "m_fftBandwidth:" << settings.m_fftBandwidth
<< "m_nbLines:" << settings.m_nbLines
<< "m_fps:" << settings.m_fps
<< "m_atvStd:" << settings.m_atvStd
<< "m_hSync:" << settings.m_hSync
<< "m_vSync:" << settings.m_vSync
<< "m_invertVideo:" << settings.m_invertVideo
<< "m_halfFrames:" << settings.m_halfFrames
<< "m_levelSynchroTop:" << settings.m_levelSynchroTop
<< "m_levelBlack:" << settings.m_levelBlack
<< "m_rgbColor:" << settings.m_rgbColor
<< "m_title:" << settings.m_title
<< "m_udpAddress:" << settings.m_udpAddress
<< "m_udpPort:" << settings.m_udpPort
<< "force:" << force;
ATVDemodBaseband::MsgConfigureATVDemodBaseband *msg = ATVDemodBaseband::MsgConfigureATVDemodBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
m_settings = settings;
}