VLCCameraView.h

/*--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
  __    __   ____     _____ __     __  _______
 |  \  |  | |  __ \  |  ___|\ \   / / |   __  \
 |   \ |  | | |  \ \ | |___  \ \ / /  |  |__)  |
 |  . \|  | | |__/ / | |___   \ V /   |   _   /
 |  |\    |_|_____/__|_____|___\_/____|  | \  \
 |__| \__________________________________|  \__\
 
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: VLCCameraView.h
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include "DLLInfo.h"
#include <NDEVR/PhysicalCameraView.h>
#define NDEVR_USE_VLC_OPENGLRENDERER 1
#if NDEVR_USE_VLC_OPENGLRENDERER
#include "VLCInterface/Headers/VLCOpenGLRenderer.h"
#else
#include "VLCInterface/Headers/VLCWindow.h"
#endif
#include "Design/Headers/Camera.h"
#include "Base/Headers/Pointer.hpp"
#include "Base/Headers/File.h"
#include "Base/Headers/Translator.h"
 
#include "VLCInterface/Headers/Media.h"
#include "VLCInterface/Headers/MetaManager.h"
#include "VLCInterface/Headers/Instance.h"
#include "VLCInterface/Headers/MediaPlayer.h"
#include "VLCInterface/Headers/Video.h"
#include "vlc/libvlc.h"
 
#if NDEVR_SUPPORTS_VLC
namespace NDEVR
{
    class VlcInstance;
}
class VlcMedia;
class VlcMediaPlayer;
class VlcVideoStream;
#endif
#define THREADED_INIT = false;
 
namespace NDEVR
{
 
    class Button;
    class VlcWindow;
    class Log;
    class BasicThread;
    class SubtitleFileWriter;
    class VLC_INTERFACE_API VLCCameraView final : public PhysicalCameraView
    {
        Q_OBJECT
    public:
        enum VLCOutputMux
        {
            TS,       
            PS,       
            MP4,      
            OGG,      
            AVI,      
            MuxSize   
        };

        enum VLCOutputCodec
        {
            MPEG2Video, 
            MPEG4Video, 
            H264,       
            Theora,     
            CodecSize   
        };

        static OutputMux ConvertMux(const VLCOutputMux& mux);
        static VLCOutputMux ConvertMux(const OutputMux& mux);
        static OutputCodec ConvertCodec(const VLCOutputCodec& codec);
        static VLCOutputCodec ConvertCodec(const OutputCodec& codec);
        VLCCameraView();
        VLCCameraView(const DynamicPointer<Camera>& camera, InfoPipe* log, QWidget* parent = nullptr);
        virtual ~VLCCameraView();
        virtual bool setCameraSource(const StringView& connection_id) override;
        virtual void refreshInstance() override;
        bool event(QEvent* event) override;

        virtual void setRecordingState(RecordingState recording_state) override;
        virtual QImage grabFramebuffer() override;
        virtual void setCameraRotation(Angle<fltp08> rotation) override;
        virtual void setCameraZoom(fltp08 zoom) override;
        virtual Angle<fltp08> cameraRotation() override;
        void addSubtitle(const String& subtitle);
    protected:
        bool startRecord(const File& file) override;
        bool finishRecord(File file) override;
        virtual bool takeImage(const File& file) override;
        virtual void invertScreenColors(bool invert) override;
        Buffer<StringView> vlcArgs();
        void createVLCInstance();
        void cleanup() override;
        void imageSaved(int id, const QString& fileName);
    protected slots:
        void updateCameraOrientationSubtitle();
    private:
        VlcInstance* m_vlc_instance; 
        VlcMediaPlayer* m_media_player; 
        VlcMedia* m_vlc_media; 
#if NDEVR_USE_VLC_OPENGLRENDERER
        VLCOpenGLRenderer* m_gl_renderer = nullptr; 
        Time m_init_time; 
#else
        VlcWindow* m_video_window = nullptr; 
#endif
        SubtitleFileWriter* m_subtitle_writer = nullptr; 
        Time m_start_record_time; 
        uint04 m_connection_retry_count = 0; 
    };

    class VLCPhysicalCameraViewFactory : public PhysicalCameraViewFactory
    {
    public:
        virtual Buffer<PhysicalCameraView::OutputCodec> supportedOutputCodecs() override;
        virtual Buffer<PhysicalCameraView::OutputMux> supportedOutputMuxes() override;
        virtual CameraView* createView(const DynamicPointer<Camera>& camera, DesignObjectLookup* model_manager, QWidget* parent = nullptr) override;
        virtual bool canCreateView(const DynamicPointer<Camera>& camera, DesignObjectLookup* model_manager, bool ignore_active) override;
        virtual void resetToDefaults() override;
    };
}