File indexing completed on 2025-01-05 03:53:05

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2021-07-24
  * Description : a MJPEG frame generator.
  *
  * SPDX-FileCopyrightText: 2021-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_MJPEG_FRAME_TASK_H
 #define DIGIKAM_MJPEG_FRAME_TASK_H
 
 // Qt includes
 
 #include <QImage>
 #include <QByteArray>
 #include <QColor>
 #include <QPoint>
 #include <QFont>
 #include <QDateTime>
 
 // Local includes
 
 #include "actionthread.h"
 #include "mjpegserver.h"
 #include "mjpegstreamsettings.h"
 
 using namespace Digikam;
 
 namespace DigikamGenericMjpegStreamPlugin
 {
 
 class MjpegFrameTask : public ActionJob
 {
     Q_OBJECT
 
 public:
 
     /**
      * Standard constructor using MJPEG stream settings.
      */
     explicit MjpegFrameTask(const MjpegStreamSettings& settings);
     ~MjpegFrameTask();
 
 Q_SIGNALS:
 
     /**
      * Output JPEG frames from generator thread (emitted to server thread).
      */
     void signalFrameChanged(const QByteArray& frame);
 
 private:
 
     /**
      * Helper monvert a QImage to a byte-aaray of JPEG data file.
      */
     QByteArray imageToJPEGArray(const QImage& frame) const;
 
     /**
      * Load image from Preview cache from path with desired output size.
      */
     QImage loadImageFromPreviewCache(const QString& path) const;
 
     /**
      * Loop from separated main thread to render periodically frames for MJPEG stream.
      * This include transition between images and effect to render items.
      * Results are sent by signalFrameChanged().
      */
     void run();
 
     MjpegFrameTask(QObject*);
 
 private:
 
     class Private;
     Private* const d;
 };
 
 } // namespace DigikamGenericMjpegStreamPlugin
 
 #endif // DIGIKAM_MJPEG_FRAME_TASK_H