codec_video.h

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#ifndef __CODEC_VIDEO_H
#define __CODEC_VIDEO_H
 
#include <pthread.h>
#include <vdr/thread.h>
 
extern "C" {
#include <libavcodec/avcodec.h>
}
 
class cVideoDecoder {
public:
    cVideoDecoder(int, const char *);
    virtual ~cVideoDecoder(void);
    int Open(enum AVCodecID, AVCodecParameters *, AVRational, int, int, int);
    void Close(void);
    int SendPacket(const AVPacket *);
    int ReceiveFrame(AVFrame **);
    void FlushBuffers(void);
    int ReopenCodec(enum AVCodecID, AVCodecParameters *, AVRational, int);
    AVCodecContext *GetContext(void) { return m_pVideoCtx; };
 
private:
    AVCodecContext *m_pVideoCtx = nullptr;  
    const char *m_identifier;               
    cMutex m_mutex;                         
    int m_cntPacketsSent;                   
    int m_cntFramesReceived;                
    int m_cntStartKeyFrames;                
    int m_lastCodedWidth;                   
    int m_lastCodedHeight;                  
    int m_hardwareQuirks;                   
 
    int GetExtraData(const AVPacket *);
    bool IsKeyFrame(AVFrame *);
};
 
#endif