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vdr/pat.h
2006-03-26 14:12:08 +02:00

45 lines
1.5 KiB
C++

/*
* pat.h: PAT section filter
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: pat.h 1.5 2006/03/26 14:09:43 kls Exp $
*/
#ifndef __PAT_H
#define __PAT_H
#include <stdint.h>
#include "filter.h"
#define MAXPMTENTRIES 64
class cPatFilter : public cFilter {
private:
time_t lastPmtScan;
int pmtIndex;
int pmtPid;
uint64_t pmtVersion[MAXPMTENTRIES];
int numPmtEntries;
bool PmtVersionChanged(int PmtPid, int Sid, int Version);
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(void);
};
int GetCaDescriptors(int Source, int Transponder, int ServiceId, const unsigned short *CaSystemIds, int BufSize, uchar *Data, bool &StreamFlag);
///< 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.
///< \return 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 in StreamFlag tells whether these CA descriptors are to be used
///< for the individual streams.
#endif //__PAT_H