decoder.h

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#ifndef __decoder_h
#define __decoder_h
 
#include <lib/base/object.h>
#include <lib/dvb/demux.h>
 
class eSocketNotifier;
 
class eDVBAudio: public iObject
{
  DECLARE_REF(eDVBAudio);
private:
  ePtr<eDVBDemux> m_demux;
  int m_fd, m_fd_demux, m_dev, m_is_freezed;
public:
  enum { aMPEG, aAC3, aDTS, aAAC, aAACHE, aLPCM, aDTSHD, aDDP, aDRA, aAC4 };
  eDVBAudio(eDVBDemux *demux, int dev);
  enum { aMonoLeft, aStereo, aMonoRight };
  void setChannel(int channel);
  void stop();
  int startPid(int pid, int type);
  void flush();
  void freeze();
  void unfreeze();
  int getPTS(pts_t &now);
  virtual ~eDVBAudio();
};
 
class eDVBVideo: public iObject, public sigc::trackable
{
  DECLARE_REF(eDVBVideo);
private:
  ePtr<eDVBDemux> m_demux;
  int m_fd, m_fd_demux, m_dev;
  bool m_fcc_enable;
  static int m_close_invalidates_attributes;
  int m_is_slow_motion, m_is_fast_forward, m_is_freezed;
  ePtr<eSocketNotifier> m_sn;
  void video_event(int what);
  sigc::signal1<void, struct iTSMPEGDecoder::videoEvent> m_event;
  int m_width, m_height, m_framerate, m_aspect, m_progressive, m_gamma;
  static int readApiSize(int fd, int &xres, int &yres, int &aspect);
public:
  enum { UNKNOWN = -1, MPEG2, MPEG4_H264, VC1 = 3, MPEG4_Part2, VC1_SM, MPEG1, H265_HEVC, AVS = 16, AVS2 = 40 };
  eDVBVideo(eDVBDemux *demux, int dev, bool fcc_enable=false);
  void stop();
  int startPid(int pid, int type=MPEG2);
  void flush();
  void freeze();
  int setSlowMotion(int repeat);
  int setFastForward(int skip);
  void unfreeze();
  int getPTS(pts_t &now);
  virtual ~eDVBVideo();
  RESULT connectEvent(const sigc::slot1<void, struct iTSMPEGDecoder::videoEvent> &event, ePtr<eConnection> &conn);
  int getWidth();
  int getHeight();
  int getProgressive();
  int getFrameRate();
  int getAspect();
  int getGamma();
};
 
class eDVBPCR: public iObject
{
  DECLARE_REF(eDVBPCR);
private:
  ePtr<eDVBDemux> m_demux;
  int m_fd_demux, m_dev;
public:
  eDVBPCR(eDVBDemux *demux, int dev);
  int startPid(int pid);
  void stop();
  virtual ~eDVBPCR();
};
 
class eDVBTText: public iObject
{
  DECLARE_REF(eDVBTText);
private:
  ePtr<eDVBDemux> m_demux;
  int m_fd_demux, m_dev;
public:
  eDVBTText(eDVBDemux *demux, int dev);
  int startPid(int pid);
  void stop();
  virtual ~eDVBTText();
};
 
class eTSMPEGDecoder: public sigc::trackable, public iTSMPEGDecoder
{
  DECLARE_REF(eTSMPEGDecoder);
private:
  static int m_pcm_delay;
  static int m_ac3_delay;
  static int m_audio_channel;
  std::string m_radio_pic;
  ePtr<eDVBDemux> m_demux;
  ePtr<eDVBAudio> m_audio;
  ePtr<eDVBVideo> m_video;
  ePtr<eDVBPCR> m_pcr;
  ePtr<eDVBTText> m_text;
  int m_vpid, m_vtype, m_apid, m_atype, m_pcrpid, m_textpid;
  enum
  {
    changeVideo = 1,
    changeAudio = 2,
    changePCR   = 4,
    changeText  = 8,
    changeState = 16,
  };
  int m_changed, m_decoder;
  int m_state;
  int m_ff_sm_ratio;
  bool m_has_audio;
  int setState();
  ePtr<eConnection> m_demux_event_conn;
  ePtr<eConnection> m_video_event_conn;
 
  void demux_event(int event);
  void video_event(struct videoEvent);
  sigc::signal1<void, struct videoEvent> m_video_event;
  int m_video_clip_fd;
  ePtr<eTimer> m_showSinglePicTimer;
  int m_fcc_fd;
  bool m_fcc_enable;
  int m_fcc_state;
  int m_fcc_feid;
  int m_fcc_vpid;
  int m_fcc_vtype;
  int m_fcc_pcrpid;
  void finishShowSinglePic(); // called by timer
public:
  enum { pidNone = -1 };
  eTSMPEGDecoder(eDVBDemux *demux, int decoder);
  virtual ~eTSMPEGDecoder();
  RESULT setVideoPID(int vpid, int type);
  RESULT setAudioPID(int apid, int type);
  RESULT setAudioChannel(int channel);
  int getAudioChannel();
  RESULT setPCMDelay(int delay);
  int getPCMDelay() { return m_pcm_delay; }
  RESULT setAC3Delay(int delay);
  int getAC3Delay() { return m_ac3_delay; }
  RESULT setSyncPCR(int pcrpid);
  RESULT setTextPID(int textpid);
  RESULT setSyncMaster(int who);
 
    /*
    The following states exist:
 
     - stop: data source closed, no playback
     - pause: data source active, decoder paused
     - play: data source active, decoder consuming
     - decoder fast forward: data source linear, decoder drops frames
     - trickmode, highspeed reverse: data source fast forwards / reverses, decoder just displays frames as fast as it can
     - slow motion: decoder displays frames multiple times
    */
  enum {
    stateStop,
    statePause,
    statePlay,
    stateDecoderFastForward,
    stateTrickmode,
    stateSlowMotion
  };
  RESULT set(); /* just apply settings, keep state */
  RESULT play(); /* -> play */
  RESULT pause(); /* -> pause */
  RESULT setFastForward(int frames_to_skip); /* -> decoder fast forward */
  RESULT setSlowMotion(int repeat); /* -> slow motion **/
  RESULT setTrickmode(); /* -> highspeed fast forward */
 
  RESULT flush();
  RESULT showSinglePic(const char *filename);
  RESULT setRadioPic(const std::string &filename);
    /* what 0=auto, 1=video, 2=audio. */
  RESULT getPTS(int what, pts_t &pts);
  RESULT connectVideoEvent(const sigc::slot1<void, struct videoEvent> &event, ePtr<eConnection> &connection);
  int getVideoWidth();
  int getVideoHeight();
  int getVideoProgressive();
  int getVideoFrameRate();
  int getVideoAspect();
  int getVideoGamma();
  static RESULT setHwPCMDelay(int delay);
  static RESULT setHwAC3Delay(int delay);
 
  enum 
  {
    fcc_state_stop,
    fcc_state_ready,
    fcc_state_decoding
  };
 
  RESULT prepareFCC(int fe_id, int vpid, int vtype, int pcrpid);
  RESULT fccStart();
  RESULT fccStop();
  RESULT fccDecoderStart();
  RESULT fccDecoderStop();
  RESULT fccUpdatePids(int fe_id, int vpid, int vtype, int pcrpid);
  RESULT fccSetPids(int fe_id, int vpid, int vtype, int pcrpid);
  RESULT fccGetFD();
  RESULT fccFreeFD();
};
 
#endif