VLCOpenGLRenderer.h

/*--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
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 |__| \__________________________________|  \__\
 
Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants
Licensee a limited, non-exclusive, non-transferable, royalty-free license
(without the right to sublicense) to use the API solely for the purpose of
Licensee's internal development efforts to develop applications for which
the API was provided.
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
 
Library: Widgets
File: VLCOpenGLRenderer.h
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include "DLLInfo.h"
#pragma once
#include "Base/Headers/Angle.h"
#include "VideoDelegate.h"
#include "YUVVideoFrame.h"
#include <QOpenGLWindow>
#include <QOpenGLFunctions>
#include <QScopedPointer>
#include <QException>
#include <QColor>
class VlcVideoStream;
class VlcMediaPlayer;
namespace NDEVR
{
    class NDEVRVideoStream;
    class Time;
    class File;
    class VLCOpenGLRenderer : public QOpenGLWindow, public QOpenGLFunctions, public VlcVideoDelegate
    {
        Q_OBJECT
    public:
        explicit VLCOpenGLRenderer();
        ~VLCOpenGLRenderer();

        void DisplayVideoFrame(const std::shared_ptr<const VlcAbstractVideoFrame>& data);
        //VlcVideoStream* videoStream();
        Time lastFrameTime() const;
        QSize streamSize() const;
        void setMediaPlayer(VlcMediaPlayer* player);
        //QSize sizeHint() const override;
        //int heightForWidth(int w) const override;
        void updateFrameTime();
        void setBackgroundColor(QColor color);
        QImage image();
        bool event(QEvent* event);
        virtual void setCameraRotation(Angle<sint04> rotation);
        virtual Angle<sint04> cameraRotation() { return m_rotation; }

        virtual void setCameraZoom(fltp04 zoom);
        virtual fltp04 cameraZoom() { return m_zoom; }

        WId request() override;

        void release() override;
 
    signals:
        void vlcCapturedEvent(QEvent* event);
    protected:
        void initializeGL() override;
        void resizeGL(int w, int h) override;
        void paintGL() override;
    private slots:
        void applyPreviousSettings();
    private:
        struct OpenGLDisplayImpl; 
        std::shared_ptr<const VlcAbstractVideoFrame> frame; 
 
 
        QScopedPointer<OpenGLDisplayImpl> impl; 
        NDEVRVideoStream* m_video_stream = nullptr; 
        VlcMediaPlayer* m_player = nullptr; 
        Angle<sint04> m_rotation; 
        fltp04 m_zoom; 
        QColor m_background_color; 
        bool m_is_initialized = false; 
    };
    class OpenGlException : public QException
    {
    public:
        void raise() const { throw* this; }
        OpenGlException* clone() const { return new OpenGlException(*this); }
    };
}