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107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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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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// //
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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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#ifndef INCLUDE_V4LINPUT_H
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#define INCLUDE_V4LINPUT_H
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#include "dsp/samplesource/samplesource.h"
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#include <QString>
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struct v4l_buffer {
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void *start;
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size_t length;
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};
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class V4LThread;
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class V4LInput : public SampleSource {
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public:
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struct Settings {
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qint32 m_gain;
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Settings();
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void resetToDefaults();
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QByteArray serialize() const;
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bool deserialize(const QByteArray& data);
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};
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class MsgConfigureV4L : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const GeneralSettings& getGeneralSettings() const { return m_generalSettings; }
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const Settings& getSettings() const { return m_settings; }
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static MsgConfigureV4L* create(const GeneralSettings& generalSettings, const Settings& settings)
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{
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return new MsgConfigureV4L(generalSettings, settings);
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}
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private:
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GeneralSettings m_generalSettings;
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Settings m_settings;
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MsgConfigureV4L(const GeneralSettings& generalSettings, const Settings& settings) :
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Message(),
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m_generalSettings(generalSettings),
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m_settings(settings)
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{ }
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};
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class MsgReportV4L : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const std::vector<int>& getGains() const { return m_gains; }
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static MsgReportV4L* create(const std::vector<int>& gains)
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{
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return new MsgReportV4L(gains);
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}
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protected:
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std::vector<int> m_gains;
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MsgReportV4L(const std::vector<int>& gains) :
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Message(),
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m_gains(gains)
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{ }
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};
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V4LInput(MessageQueue* msgQueueToGUI);
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~V4LInput();
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bool startInput(int device);
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void stopInput();
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const QString& getDeviceDescription() const;
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int getSampleRate() const;
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quint64 getCenterFrequency() const;
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bool handleMessage(Message* message);
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private:
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QMutex m_mutex;
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Settings m_settings;
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V4LThread* m_V4LThread;
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QString m_deviceDescription;
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std::vector<int> m_gains;
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void applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force);
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};
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#endif // INCLUDE_V4L_H
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