/* * tuner.h: SAT>IP plugin for the Video Disk Recorder * * See the README file for copyright information and how to reach the author. * */ #ifndef __SATIP_TUNER_H #define __SATIP_TUNER_H #include #include #include "deviceif.h" #include "rtp.h" #include "rtcp.h" #include "rtsp.h" #include "server.h" #include "statistics.h" class cSatipPid : public cVector { private: int PidIndex(const int &pidP) { for (int i = 0; i < Size(); ++i) { if (pidP == At(i)) return i; } return -1; } static int PidCompare(const void *aPidP, const void *bPidP) { return (*(int*)aPidP - *(int*)bPidP); } public: void RemovePid(const int &pidP) { int i = PidIndex(pidP); if (i >= 0) { Remove(i); Sort(PidCompare); } } void AddPid(int pidP) { if (PidIndex(pidP) < 0) { Append(pidP); Sort(PidCompare); } } cString ListPids(void) { cString list = ""; if (Size()) { for (int i = 0; i < Size(); ++i) list = cString::sprintf("%s%d,", *list, At(i)); list = list.Truncate(-1); } return list; } }; class cSatipTuner : public cThread, public cSatipTunerStatistics, public cSatipTunerIf { private: enum { eDummyPid = 100, eDefaultSignalStrength = 15, eDefaultSignalQuality = 224, eSleepTimeoutMs = 250, // in milliseconds eStatusUpdateTimeoutMs = 1000, // in milliseconds ePidUpdateIntervalMs = 250, // in milliseconds eConnectTimeoutMs = 5000, // in milliseconds eMinKeepAliveIntervalMs = 30000 // in milliseconds }; enum eTunerState { tsIdle, tsRelease, tsSet, tsTuned, tsLocked }; enum eStateMode { smInternal, smExternal }; cCondWait sleepM; cSatipDeviceIf* deviceM; int deviceIdM; cSatipRtsp rtspM; cSatipRtp rtpM; cSatipRtcp rtcpM; cString streamAddrM; cString streamParamM; cSatipServer *currentServerM; cSatipServer *nextServerM; cMutex mutexM; cTimeMs reConnectM; cTimeMs keepAliveM; cTimeMs statusUpdateM; cTimeMs pidUpdateCacheM; cString sessionM; eTunerState currentStateM; cVector internalStateM; cVector externalStateM; int timeoutM; bool hasLockM; int signalStrengthM; int signalQualityM; int streamIdM; int pmtPidM; cSatipPid addPidsM; cSatipPid delPidsM; cSatipPid pidsM; bool Connect(void); bool Disconnect(void); bool KeepAlive(bool forceP = false); bool ReadReceptionStatus(bool forceP = false); bool UpdatePids(bool forceP = false); void UpdateCurrentState(void); bool StateRequested(void); bool RequestState(eTunerState stateP, eStateMode modeP); const char *StateModeString(eStateMode modeP); const char *TunerStateString(eTunerState stateP); protected: virtual void Action(void); public: cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP); virtual ~cSatipTuner(); bool IsTuned(void) const { return (currentStateM >= tsTuned); } bool SetSource(cSatipServer *serverP, const char *parameterP, const int indexP); bool SetPid(int pidP, int typeP, bool onP); bool Open(void); bool Close(void); int SignalStrength(void); int SignalQuality(void); bool HasLock(void); cString GetSignalStatus(void); cString GetInformation(void); // for internal tuner interface public: virtual void ProcessVideoData(u_char *bufferP, int lengthP); virtual void ProcessApplicationData(u_char *bufferP, int lengthP); virtual void SetStreamId(int streamIdP); virtual void SetSessionTimeout(const char *sessionP, int timeoutP); virtual int GetId(void); }; #endif // __SATIP_TUNER_H