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62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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* pat.h: PAT section filter
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: pat.h 4.2 2020/06/19 12:19:15 kls Exp $
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*/
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#ifndef __PAT_H
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#define __PAT_H
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#include <stdint.h>
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#include "filter.h"
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#include "thread.h"
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class cPmtPidEntry;
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class cPmtSidEntry;
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class cPatFilter : public cFilter {
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private:
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cMutex mutex;
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cTimeMs timer;
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int patVersion;
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int sid;
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cPmtPidEntry *activePmt;
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cList<cPmtPidEntry> pmtPidList;
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cList<cPmtSidEntry> pmtSidList;
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cSectionSyncer sectionSyncer;
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bool PmtPidComplete(int PmtPid);
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void PmtPidReset(int PmtPid);
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bool PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNewVersion = false);
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void SwitchToNextPmtPid(void);
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protected:
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virtual void Process(u_short Pid, u_char Tid, const u_char *Data, int Length);
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public:
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cPatFilter(void);
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virtual void SetStatus(bool On);
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void Trigger(int Sid = -1);
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};
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void GetCaDescriptors(int Source, int Transponder, int ServiceId, const int *CaSystemIds, cDynamicBuffer &Buffer, int EsPid);
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///< Gets all CA descriptors for a given channel.
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///< Copies all available CA descriptors for the given Source, Transponder and ServiceId
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///< into the provided buffer. Only those CA descriptors
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///< are copied that match one of the given CA system IDs (or all of them, if CaSystemIds
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///< is 0xFFFF).
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int GetCaPids(int Source, int Transponder, int ServiceId, const int *CaSystemIds, int BufSize, int *Pids);
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///< Gets all CA pids for a given channel.
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///< Copies all available CA pids from the CA descriptors for the given Source, Transponder and ServiceId
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///< into the provided buffer at Pids (at most BufSize - 1 entries, the list will be zero-terminated).
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///< Only the CA pids of those CA descriptors are copied that match one of the given CA system IDs
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///< (or all of them, if CaSystemIds is 0xFFFF).
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///< Returns the number of pids copied into Pids (0 if no CA descriptors are
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///< available), or -1 if BufSize was too small to hold all CA pids.
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int GetPmtPid(int Source, int Transponder, int ServiceId);
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///< Gets the Pid of the PMT in which the CA descriptors for this channel are defined.
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#endif //__PAT_H
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