VideoManager.h 5.08 KB
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/****************************************************************************
 *
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 *   (c) 2009-2019 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
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 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/


#ifndef VideoManager_H
#define VideoManager_H

#include <QObject>
#include <QTimer>
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#include <QTime>
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#include <QUrl>
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#include "QGCMAVLink.h"
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#include "QGCLoggingCategory.h"
#include "VideoReceiver.h"
#include "QGCToolbox.h"
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#include "SubtitleWriter.h"
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Q_DECLARE_LOGGING_CATEGORY(VideoManagerLog)

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class VideoSettings;
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class Vehicle;
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class Joystick;
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class VideoManager : public QGCTool
{
    Q_OBJECT

public:
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    VideoManager    (QGCApplication* app, QGCToolbox* toolbox);
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    virtual ~VideoManager   ();
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    Q_PROPERTY(bool             hasVideo                READ    hasVideo                                    NOTIFY hasVideoChanged)
    Q_PROPERTY(bool             isGStreamer             READ    isGStreamer                                 NOTIFY isGStreamerChanged)
    Q_PROPERTY(bool             isTaisync               READ    isTaisync       WRITE   setIsTaisync        NOTIFY isTaisyncChanged)
    Q_PROPERTY(QString          videoSourceID           READ    videoSourceID                               NOTIFY videoSourceIDChanged)
    Q_PROPERTY(bool             uvcEnabled              READ    uvcEnabled                                  CONSTANT)
    Q_PROPERTY(bool             fullScreen              READ    fullScreen      WRITE   setfullScreen       NOTIFY fullScreenChanged)
    Q_PROPERTY(VideoReceiver*   videoReceiver           READ    videoReceiver                               CONSTANT)
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    Q_PROPERTY(VideoReceiver*   thermalVideoReceiver    READ    thermalVideoReceiver                        CONSTANT)
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    Q_PROPERTY(double           aspectRatio             READ    aspectRatio                                 NOTIFY aspectRatioChanged)
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    Q_PROPERTY(double           thermalAspectRatio      READ    thermalAspectRatio                          NOTIFY aspectRatioChanged)
    Q_PROPERTY(double           hfov                    READ    hfov                                        NOTIFY aspectRatioChanged)
    Q_PROPERTY(double           thermalHfov             READ    thermalHfov                                 NOTIFY aspectRatioChanged)
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    Q_PROPERTY(bool             autoStreamConfigured    READ    autoStreamConfigured                        NOTIFY autoStreamConfiguredChanged)
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    Q_PROPERTY(bool             hasThermal              READ    hasThermal                                  NOTIFY aspectRatioChanged)
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    virtual bool        hasVideo            ();
    virtual bool        isGStreamer         ();
    virtual bool        isTaisync           () { return _isTaisync; }
    virtual bool        fullScreen          () { return _fullScreen; }
    virtual QString     videoSourceID       () { return _videoSourceID; }
    virtual double      aspectRatio         ();
    virtual double      thermalAspectRatio  ();
    virtual double      hfov                ();
    virtual double      thermalHfov         ();
    virtual bool        autoStreamConfigured();
    virtual bool        hasThermal          ();
    virtual void        restartVideo        ();

    virtual VideoReceiver*  videoReceiver           () { return _videoReceiver; }
    virtual VideoReceiver*  thermalVideoReceiver    () { return _thermalVideoReceiver; }
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#if defined(QGC_DISABLE_UVC)
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    virtual bool        uvcEnabled          () { return false; }
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#else
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    virtual bool        uvcEnabled          ();
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#endif

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    virtual void        setfullScreen       (bool f);
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    virtual void        setIsTaisync        (bool t) { _isTaisync = t;  emit isTaisyncChanged(); }
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    // Override from QGCTool
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    virtual void        setToolbox          (QGCToolbox *toolbox);
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    Q_INVOKABLE void startVideo     ();
    Q_INVOKABLE void stopVideo      ();
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signals:
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    void hasVideoChanged            ();
    void isGStreamerChanged         ();
    void videoSourceIDChanged       ();
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    void fullScreenChanged          ();
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    void isAutoStreamChanged        ();
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    void isTaisyncChanged           ();
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    void aspectRatioChanged         ();
    void autoStreamConfiguredChanged();
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protected slots:
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    void _videoSourceChanged        ();
    void _udpPortChanged            ();
    void _rtspUrlChanged            ();
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    void _tcpUrlChanged             ();
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    void _updateUVC                 ();
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    void _setActiveVehicle          (Vehicle* vehicle);
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    void _aspectRatioChanged        ();
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    void _connectionLostChanged     (bool connectionLost);
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protected:
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    void _updateSettings            ();
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protected:
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    SubtitleWriter  _subtitleWriter;
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    bool            _isTaisync              = false;
    VideoReceiver*  _videoReceiver          = nullptr;
    VideoReceiver*  _thermalVideoReceiver   = nullptr;
    VideoSettings*  _videoSettings          = nullptr;
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    QString         _videoSourceID;
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    bool            _fullScreen             = false;
    Vehicle*        _activeVehicle          = nullptr;
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};

#endif