YiVideoSurface.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_VIDEO_SURFACE_H_
#define _YI_VIDEO_SURFACE_H_

#include "binding/YiScriptableObject.h"
#include "signal/YiSignal.h"

#include <glm/vec2.hpp>

class CYIAssetTexture;
class CYIClosedCaptionsDispatcher;
class CYIMaterial;
class CYISceneNodeProxy;
class CYIVideoSurfaceView;

class CYIVideoSurface : public CYIScriptableObject
{
    friend class CYIAbstractVideoPlayer; //For setting surface size
    friend class CYIVideoSurfaceView; //For attach/detach callbacks

public:
    virtual ~CYIVideoSurface();

    enum CAPABILITIES
    {
        RENDER_TO_TEXTURE = 0x1, 
        MULTIPLE_VIEWS = 0x2,    
        TRANSLATE = 0x4,         
        SCALE = 0x8,             
        FREE_TRANSFORM = 0x10,   
        OPACITY = 0x20           
    };

    virtual void Init();
    
    uint32_t GetCapabilities() const;

    void SetClosedCaptionsDispatcher(CYIClosedCaptionsDispatcher *pDispatcher);

    CYIClosedCaptionsDispatcher *GetClosedCaptionsDispatcher() const;

    const glm::ivec2 &GetSize() const;

    CYISignal<const glm::ivec2 &> SizeChanged;

protected:
    CYIVideoSurface(uint32_t uCapabilities);

    void SetSize(const glm::ivec2 &videoSize);

    virtual void OnAttached(CYIVideoSurfaceView *pVideoSurfaceView);

    virtual void OnDetached(CYIVideoSurfaceView *pVideoSurfaceView);

private:
    CYIVideoSurface();
    void DetachFromSurfaceView();

    uint32_t m_uCapabilities; 
    glm::ivec2 m_videoSize;                        
    CYIClosedCaptionsDispatcher *m_pClosedCaptionsDispatcher;
    std::shared_ptr<CYISceneNodeProxy> m_pAttachedSurfaceView;
};

#endif