kopia lustrzana https://github.com/f4exb/sdrangel
134 wiersze
4.5 KiB
C++
134 wiersze
4.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4HKW //
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// for F4EXB / SDRAngel //
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// using LeanSDR Framework (C) 2016 F4DAV //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include "device/deviceapi.h"
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#include "datvdemod.h"
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const char* const DATVDemod::m_channelIdURI = "sdrangel.channel.demoddatv";
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const char* const DATVDemod::m_channelId = "DATVDemod";
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MESSAGE_CLASS_DEFINITION(DATVDemod::MsgConfigureDATVDemod, Message)
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DATVDemod::DATVDemod(DeviceAPI *deviceAPI) :
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ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
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m_deviceAPI(deviceAPI),
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m_basebandSampleRate(0)
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{
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qDebug("DATVDemod::DATVDemod");
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setObjectName("DATVDemod");
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m_basebandSink = new DATVDemodBaseband();
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m_basebandSink->moveToThread(&m_thread);
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applySettings(m_settings, true);
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m_deviceAPI->addChannelSink(this);
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m_deviceAPI->addChannelSinkAPI(this);
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}
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DATVDemod::~DATVDemod()
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{
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qDebug("DATVDemod::~DATVDemod");
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m_deviceAPI->removeChannelSinkAPI(this);
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m_deviceAPI->removeChannelSink(this);
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if (m_basebandSink->isRunning()) {
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stop();
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}
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m_basebandSink->deleteLater();
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}
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void DATVDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
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{
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(void) firstOfBurst;
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m_basebandSink->feed(begin, end);
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}
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void DATVDemod::start()
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{
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qDebug("DATVDemod::start");
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if (m_basebandSampleRate != 0) {
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m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
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}
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m_basebandSink->reset();
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m_basebandSink->startWork();
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m_thread.start();
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DATVDemodBaseband::MsgConfigureDATVDemodBaseband *msg = DATVDemodBaseband::MsgConfigureDATVDemodBaseband::create(m_settings, true);
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m_basebandSink->getInputMessageQueue()->push(msg);
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}
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void DATVDemod::stop()
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{
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qDebug("DATVDemod::stop");
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m_basebandSink->stopWork();
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m_thread.quit();
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m_thread.wait();
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}
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bool DATVDemod::handleMessage(const Message& cmd)
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{
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if (MsgConfigureDATVDemod::match(cmd))
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{
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MsgConfigureDATVDemod& objCfg = (MsgConfigureDATVDemod&) cmd;
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qDebug() << "DATVDemod::handleMessage: MsgConfigureDATVDemod";
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applySettings(objCfg.getSettings(), objCfg.getForce());
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return true;
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}
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else if(DSPSignalNotification::match(cmd))
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{
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DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
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m_basebandSampleRate = notif.getSampleRate(); // store for init at start
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qDebug() << "DATVDemod::handleMessage: DSPSignalNotification" << m_basebandSampleRate;
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// Forward to the sink
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DSPSignalNotification* notifToSink = new DSPSignalNotification(notif); // make a copy
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m_basebandSink->getInputMessageQueue()->push(notifToSink);
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return true;
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}
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else
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{
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return false;
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}
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}
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void DATVDemod::applySettings(const DATVDemodSettings& settings, bool force)
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{
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QString debugMsg = tr("DATVDemod::applySettings: force: %1").arg(force);
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settings.debug(debugMsg);
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DATVDemodBaseband::MsgConfigureDATVDemodBaseband *msg = DATVDemodBaseband::MsgConfigureDATVDemodBaseband::create(settings, force);
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m_basebandSink->getInputMessageQueue()->push(msg);
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m_settings = settings;
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}
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uint32_t DATVDemod::getNumberOfDeviceStreams() const
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{
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return m_deviceAPI->getNbSourceStreams();
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}
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