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sdrangel/plugins/samplesource/rtlsdr/rtlsdrinput.h
Hexameron 82047f69ce Consistant Waterfall speed.
Saves cpu at high bandwidths.
2014-05-19 15:22:44 +01:00

107 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// //
// 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 //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_RTLSDRINPUT_H
#define INCLUDE_RTLSDRINPUT_H
#include "dsp/samplesource/samplesource.h"
#include <rtl-sdr.h>
#include <QString>
class RTLSDRThread;
class RTLSDRInput : public SampleSource {
public:
struct Settings {
qint32 m_gain;
qint32 m_decimation;
Settings();
void resetToDefaults();
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
};
class MsgConfigureRTLSDR : public Message {
MESSAGE_CLASS_DECLARATION
public:
const GeneralSettings& getGeneralSettings() const { return m_generalSettings; }
const Settings& getSettings() const { return m_settings; }
static MsgConfigureRTLSDR* create(const GeneralSettings& generalSettings, const Settings& settings)
{
return new MsgConfigureRTLSDR(generalSettings, settings);
}
private:
GeneralSettings m_generalSettings;
Settings m_settings;
MsgConfigureRTLSDR(const GeneralSettings& generalSettings, const Settings& settings) :
Message(),
m_generalSettings(generalSettings),
m_settings(settings)
{ }
};
class MsgReportRTLSDR : public Message {
MESSAGE_CLASS_DECLARATION
public:
const std::vector<int>& getGains() const { return m_gains; }
static MsgReportRTLSDR* create(const std::vector<int>& gains)
{
return new MsgReportRTLSDR(gains);
}
protected:
std::vector<int> m_gains;
MsgReportRTLSDR(const std::vector<int>& gains) :
Message(),
m_gains(gains)
{ }
};
RTLSDRInput(MessageQueue* msgQueueToGUI);
~RTLSDRInput();
bool startInput(int device);
void stopInput();
const QString& getDeviceDescription() const;
int getSampleRate() const;
int wfdecimation() const;
quint64 getCenterFrequency() const;
bool handleMessage(Message* message);
private:
QMutex m_mutex;
Settings m_settings;
rtlsdr_dev_t* m_dev;
RTLSDRThread* m_rtlSDRThread;
QString m_deviceDescription;
std::vector<int> m_gains;
bool applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force);
};
#endif // INCLUDE_RTLSDRINPUT_H