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			86 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.8 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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| 
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| #ifndef INCLUDE_V4LINPUT_H
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| #define INCLUDE_V4LINPUT_H
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| 
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| #include "dsp/samplesource/samplesource.h"
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| #include <QString>
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| 
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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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| 
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| class V4LThread;
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| 
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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, m_lna, m_mix;
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| 
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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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| 
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| 	class MsgConfigureV4L : public Message {
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| 		MESSAGE_CLASS_DECLARATION
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| 
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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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| 
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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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| 
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| 	private:
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| 		GeneralSettings m_generalSettings;
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| 		Settings m_settings;
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| 
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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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| 
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| 	V4LInput(MessageQueue* msgQueueToGUI);
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| 	~V4LInput();
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| 
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| 	bool startInput(int device);
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| 	void stopInput();
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| 
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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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| 
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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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| 
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| 	void applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force);
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| };
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| 
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| #endif // INCLUDE_V4L_H
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