mythdeinterlacer.h

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#ifndef MYTHDEINTERLACER_H
#define MYTHDEINTERLACER_H
 
// MythTV
#include "libmyth/mythavframe.h"
 
#include "videoouttypes.h"
#include "mythavutil.h"
 
extern "C" {
#include "libavfilter/avfilter.h"
#include "libswscale/swscale.h"
}
 
class MythVideoProfile;
 
class MythDeinterlacer
{
  public:
    MythDeinterlacer() = default;
   ~MythDeinterlacer();
 
    void             Filter       (MythVideoFrame *Frame, FrameScanType Scan,
                                   MythVideoProfile *Profile, bool Force = false);
 
  private:
    Q_DISABLE_COPY(MythDeinterlacer)
    bool             Initialise   (MythVideoFrame *Frame, MythDeintType Deinterlacer,
                                   bool DoubleRate, bool TopFieldFirst,
                                   MythVideoProfile *Profile);
    inline void      Cleanup      ();
    void             OneField     (MythVideoFrame *Frame, FrameScanType Scan);
    void             Blend        (MythVideoFrame *Frame, FrameScanType Scan);
    bool             SetUpCache   (MythVideoFrame *Frame);
 
    VideoFrameType   m_inputType  { FMT_NONE };
    AVPixelFormat    m_inputFmt   { AV_PIX_FMT_NONE };
    int              m_width      { 0 };
    int              m_height     { 0 };
    MythDeintType    m_deintType  { DEINT_NONE };
    bool             m_doubleRate { false };
    bool             m_topFirst   { true  };
    MythAVFrame      m_frame;
    AVFilterGraph*   m_graph      { nullptr };
    AVFilterContext* m_source     { nullptr };
    AVFilterContext* m_sink       { nullptr };
    MythVideoFrame*  m_bobFrame   { nullptr };
    SwsContext*      m_swsContext { nullptr };
    uint64_t         m_discontinuityCounter { 0 };
    bool             m_autoFieldOrder  { false };
    uint64_t         m_lastFieldChange { 0 };
};
 
#endif