grab.h

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// SPDX-License-Identifier: AGPL-3.0-or-later
 
#ifndef __GRAB_H
#define __GRAB_H
 
#include <cstdint>
 
#include <vdr/osd.h>
 
class cDrmBuffer;
class cVideoRender;
 
enum Grabtype {
    GRABVIDEO,
    GRABPIP,
    GRABOSD
};
 
inline const char* GrabtypeToString(Grabtype t) {
    switch(t) {
        case Grabtype::GRABVIDEO: return "VIDEO";
        case Grabtype::GRABPIP: return "PIP";
        case Grabtype::GRABOSD: return "OSD";
    }
    return "Unknown";
}
 
class cGrabBuffer {
public:
    cGrabBuffer(void) = default;
 
    void FreeDrmBuf(void);
    void SetDrmBuf(cDrmBuffer *);
 
    // setters and getters
    void SetData(uint8_t *result) { m_pResult = result; };
    void SetSize(int size) { m_size = size; };
 
    int GetX(void) { return m_rect.X(); };
    int GetY(void) { return m_rect.Y(); };
    int GetWidth(void) { return m_rect.Width(); };
    int GetHeight(void) { return m_rect.Height(); };
    uint8_t *GetData(void) { return m_pResult; };
    int GetSize(void) { return m_size; };
    cDrmBuffer *GetDrmBuf(void) { return m_pBuf; };
private:
    uint8_t *m_pResult = nullptr;        
    struct cDrmBuffer *m_pBuf = nullptr; 
    int m_size = 0;                      
    cRect m_rect;                        
};
 
class cSoftHdGrab {
public:
    cSoftHdGrab(cVideoRender *render) : m_pRender(render) {};
 
    bool Active(void) { return m_isActive; };
    bool Start(bool, int, int, int, int, int);
    uint8_t *Image(void) { return m_grabbedImage; };
    int Size(void) { return m_grabbedSize; };
 
private:
    cVideoRender *m_pRender;         
    uint8_t *m_grabbedImage;         
    int m_grabbedSize;               
    bool m_isActive = false;         
 
    bool m_isJpeg = true;            
    int m_quality;                   
    int m_grabbedWidth;              
    int m_grabbedHeight;             
    int m_screenWidth;               
    int m_screenHeight;              
 
    bool ProcessGrab(void);
    uint8_t *GetGrab(int *, int *, int *, int *, int *, Grabtype);
};
 
#endif