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    41 

    42 

    43 #ifndef QGSTREAMERCAMERACONTROL_H

    44 #define QGSTREAMERCAMERACONTROL_H

    45 

    46 #include <QHash>

    47 #include <experimental/qcameracontrol.h>

    48 #include "qgstreamercapturesession.h"

    49 

    50 QTM_USE_NAMESPACE

    51 QT_USE_NAMESPACE

    52 

    53 class QGstreamerCameraControl : public QCameraControl, public QGstreamerVideoInput

    54 {

    55     Q_OBJECT

    56 public:

    57     QGstreamerCameraControl( QGstreamerCaptureSession *session );

    58     virtual ~QGstreamerCameraControl();

    59 

    60     bool isValid() const { return true; }

    61 

    62     QCamera::State state() const;

    63 

    64     GstElement *buildElement();

    65 

    66     void start();

    67     void stop();

    68 

    69     QList<qreal> supportedFrameRates(const QSize &frameSize = QSize()) const;

    70     QList<QSize> supportedResolutions(qreal frameRate = -1) const;

    71 

    72     QCamera::CaptureMode captureMode() const { return m_captureMode; }

    73     void setCaptureMode(QCamera::CaptureMode mode)

    74     {

    75         if (m_captureMode != mode) {

    76             m_captureMode = mode;

    77             emit captureModeChanged(mode);

    78         }

    79     }

    80 

    81     QCamera::CaptureModes supportedCaptureModes() const

    82     {

    83         return QCamera::CaptureStillImage | QCamera::CaptureVideo;

    84     }

    85 

    86 public slots:

    87     void setDevice(const QString &device);

    88 

    89 private slots:

    90     void updateState();

    91 

    92 private:

    93     void updateSupportedResolutions(const QString &device);

    94 

    95     QList<qreal> m_frameRates;

    96     QList<QSize> m_resolutions;

    97 

    98     QHash<QSize, QSet<int> > m_ratesByResolution;

    99 

   100     QCamera::CaptureMode m_captureMode;

   101 

   102     QGstreamerCaptureSession *m_session;

   103     QByteArray m_device;

   104     QCamera::State m_state;    

   105 };

   106 

   107 #endif // QGSTREAMERCAMERACONTROL_H