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Added some comments
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ci.h
29
ci.h
@ -4,7 +4,7 @@
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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: ci.h 1.19 2005/11/26 13:37:42 kls Exp $
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* $Id: ci.h 1.20 2005/12/03 11:59:05 kls Exp $
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*/
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#ifndef __CI_H
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@ -112,6 +112,7 @@ private:
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cList<cCiCaProgramData> caProgramList;
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int ResourceIdToInt(const uint8_t *Data);
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bool Send(uint8_t Tag, int SessionId, int ResourceId = 0, int Status = -1);
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const unsigned short *GetCaSystemIds(int Slot);
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cCiSession *GetSessionBySessionId(int SessionId);
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cCiSession *GetSessionByResourceId(int ResourceId, int Slot);
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cCiSession *CreateSession(int ResourceId);
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@ -123,18 +124,33 @@ private:
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public:
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~cCiHandler();
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static cCiHandler *CreateCiHandler(const char *FileName);
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///< Creates a new cCiHandler for the given CA device.
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int NumSlots(void) { return numSlots; }
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///< Returns the number of CAM slots provided by this CA device.
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bool Ready(void);
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///< Returns true if all CAMs in this CA device are ready.
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bool Process(int Slot = -1);
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///< Processes the given Slot. If Slot is -1, all slots are processed.
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///< Returns false in case of an error.
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bool HasUserIO(void) { return hasUserIO; }
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///< Returns true if there is a pending user interaction, which shall
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///< be retrieved via GetMenu() or GetEnquiry().
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bool EnterMenu(int Slot);
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///< Requests the CAM in the given Slot to start its menu.
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cCiMenu *GetMenu(void);
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///< Gets a pending menu, or NULL if there is no menu.
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cCiEnquiry *GetEnquiry(void);
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///< Gets a pending enquiry, or NULL if there is no enquiry.
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const char *GetCamName(int Slot);
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const unsigned short *GetCaSystemIds(int Slot);
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///< Returns the name of the CAM in the given Slot, or NULL if there
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///< is no CAM in that slot.
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bool ProvidesCa(const unsigned short *CaSystemIds); //XXX Slot???
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///< Returns true if any of the CAMs can provide one of the given
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///< CaSystemIds. This doesn't necessarily mean that it will be
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///< possible to actually decrypt such a programme, since CAMs
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///< usually advertise several CA system ids, while the actual
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///< decryption is controlled by the smart card inserted into
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///< the CAM.
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void SetSource(int Source, int Transponder);
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///< Sets the Source and Transponder of the device this cCiHandler is
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///< currently tuned to. If Source or Transponder are different than
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@ -145,11 +161,14 @@ public:
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///< to SetPid() will (de)activate one of these entries.
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void SetPid(int Pid, bool Active);
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///< Sets the given Pid (which has previously been added through a
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///< call to AddPid()) to Active. If Active is true, a later call to
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///< StartDecrypting() will send the full list of currently active CA_PMT
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///< entries to the CAM, including this one.
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///< call to AddPid()) to Active. A later call to StartDecrypting() will
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///< send the full list of currently active CA_PMT entries to the CAM.
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bool CanDecrypt(int ProgramNumber);
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///< XXX
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///< Returns true if there is a CAM in this CA device that is able
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///< to decrypt the programme with the given ProgramNumber. The PIDs
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///< for this ProgramNumber must have been set through previous calls
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///< to SetPid().
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void StartDecrypting(void);
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///< Triggers sending all currently active CA_PMT entries to the CAM,
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///< so that it will start decrypting.
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