/* * pat.h: PAT section filter * * See the main source file 'vdr.c' for copyright information and * how to reach the author. * * $Id: pat.h 2.3.1.1 2014/02/18 14:12:24 kls Exp $ */ #ifndef __PAT_H #define __PAT_H #include #include "filter.h" #include "thread.h" #define MAXPMTENTRIES 64 class cPatFilter : public cFilter { private: cMutex mutex; cTimeMs timer; int patVersion; int pmtIndex; int pmtId[MAXPMTENTRIES]; int pmtVersion[MAXPMTENTRIES]; int numPmtEntries; int sid; int GetPmtPid(int Index) { return pmtId[Index] & 0x0000FFFF; } int MakePmtId(int PmtPid, int Sid) { return PmtPid | (Sid << 16); } bool PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNewVersion = false); void SwitchToNextPmtPid(void); protected: virtual void Process(u_short Pid, u_char Tid, const u_char *Data, int Length); public: cPatFilter(void); virtual void SetStatus(bool On); void Trigger(int Sid = -1); }; int GetCaDescriptors(int Source, int Transponder, int ServiceId, const int *CaSystemIds, int BufSize, uchar *Data, int EsPid); ///< Gets all CA descriptors for a given channel. ///< Copies all available CA descriptors for the given Source, Transponder and ServiceId ///< into the provided buffer at Data (at most BufSize bytes). Only those CA descriptors ///< are copied that match one of the given CA system IDs. ///< Returns the number of bytes copied into Data (0 if no CA descriptors are ///< available), or -1 if BufSize was too small to hold all CA descriptors. ///< The return value tells whether these CA descriptors are to be used ///< for the individual streams. #endif //__PAT_H