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sdrangel/plugins/channelrx/demoddatv/datvdemod.cpp
2019-12-04 07:20:13 +01:00

121 lines
4.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 F4HKW //
// for F4EXB / SDRAngel //
// using LeanSDR Framework (C) 2016 F4DAV //
// //
// 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 <QDebug>
#include "device/deviceapi.h"
#include "datvdemod.h"
const QString DATVDemod::m_channelIdURI = "sdrangel.channel.demoddatv";
const QString DATVDemod::m_channelId = "DATVDemod";
MESSAGE_CLASS_DEFINITION(DATVDemod::MsgConfigureDATVDemod, Message)
DATVDemod::DATVDemod(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_basebandSampleRate(0)
{
qDebug("DATVDemod::DATVDemod");
setObjectName("DATVDemod");
m_thread = new QThread(this);
m_basebandSink = new DATVDemodBaseband();
m_basebandSink->moveToThread(m_thread);
applySettings(m_settings, true);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
}
DATVDemod::~DATVDemod()
{
qDebug("DATVDemod::~DATVDemod");
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
void DATVDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
m_basebandSink->feed(begin, end);
}
void DATVDemod::start()
{
qDebug("DATVDemod::start");
if (m_basebandSampleRate != 0) {
m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
}
m_basebandSink->reset();
m_thread->start();
}
void DATVDemod::stop()
{
qDebug("DATVDemod::stop");
m_thread->exit();
m_thread->wait();
}
bool DATVDemod::handleMessage(const Message& cmd)
{
if (MsgConfigureDATVDemod::match(cmd))
{
MsgConfigureDATVDemod& objCfg = (MsgConfigureDATVDemod&) cmd;
qDebug() << "DATVDemod::handleMessage: MsgConfigureDATVDemod";
applySettings(objCfg.getSettings(), objCfg.getForce());
return true;
}
else if(DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
m_basebandSampleRate = notif.getSampleRate(); // store for init at start
qDebug() << "DATVDemod::handleMessage: DSPSignalNotification" << m_basebandSampleRate;
// Forward to the sink
DSPSignalNotification* notifToSink = new DSPSignalNotification(notif); // make a copy
m_basebandSink->getInputMessageQueue()->push(notifToSink);
return true;
}
else
{
return false;
}
}
void DATVDemod::applySettings(const DATVDemodSettings& settings, bool force)
{
QString debugMsg = tr("DATVDemod::applySettings: force: %1").arg(force);
settings.debug(debugMsg);
DATVDemodBaseband::MsgConfigureDATVDemodBaseband *msg = DATVDemodBaseband::MsgConfigureDATVDemodBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
m_settings = settings;
}