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193 lines
7.3 KiB
C++
193 lines
7.3 KiB
C++
/*
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* epg.h: Electronic Program Guide
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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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* Original version (as used in VDR before 1.3.0) written by
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* Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>.
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*
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* $Id: epg.h 1.35 2006/10/07 13:47:19 kls Exp $
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*/
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#ifndef __EPG_H
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#define __EPG_H
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#include "channels.h"
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#include "thread.h"
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#include "tools.h"
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#define MAXEPGBUGFIXLEVEL 3
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enum eDumpMode { dmAll, dmPresent, dmFollowing, dmAtTime };
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struct tComponent {
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uchar stream;
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uchar type;
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char language[MAXLANGCODE2];
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char *description;
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cString ToString(void);
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bool FromString(const char *s);
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};
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class cComponents {
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private:
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int numComponents;
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tComponent *components;
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void Realloc(int Index);
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public:
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cComponents(void);
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~cComponents(void);
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int NumComponents(void) const { return numComponents; }
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void SetComponent(int Index, const char *s);
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void SetComponent(int Index, uchar Stream, uchar Type, const char *Language, const char *Description);
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tComponent *Component(int Index) const { return (Index < numComponents) ? &components[Index] : NULL; }
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tComponent *GetComponent(int Index, uchar Stream, uchar Type); // Gets the Index'th component of Stream and Type, skipping other components
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// In case of an audio stream the 'type' check actually just distinguishes between "normal" and "Dolby Digital"
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};
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class cSchedule;
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typedef u_int32_t tEventID;
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class cEvent : public cListObject {
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friend class cSchedule;
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private:
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cSchedule *schedule; // The Schedule this event belongs to
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tEventID eventID; // Event ID of this event
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uchar tableID; // Table ID this event came from
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uchar version; // Version number of section this event came from
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int runningStatus; // 0=undefined, 1=not running, 2=starts in a few seconds, 3=pausing, 4=running
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char *title; // Title of this event
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char *shortText; // Short description of this event (typically the episode name in case of a series)
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char *description; // Description of this event
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cComponents *components; // The stream components of this event
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time_t startTime; // Start time of this event
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int duration; // Duration of this event in seconds
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time_t vps; // Video Programming Service timestamp (VPS, aka "Programme Identification Label", PIL)
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time_t seen; // When this event was last seen in the data stream
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public:
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cEvent(tEventID EventID);
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~cEvent();
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virtual int Compare(const cListObject &ListObject) const;
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tChannelID ChannelID(void) const;
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const cSchedule *Schedule(void) const { return schedule; }
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tEventID EventID(void) const { return eventID; }
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uchar TableID(void) const { return tableID; }
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uchar Version(void) const { return version; }
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int RunningStatus(void) const { return runningStatus; }
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const char *Title(void) const { return title; }
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const char *ShortText(void) const { return shortText; }
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const char *Description(void) const { return description; }
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const cComponents *Components(void) const { return components; }
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time_t StartTime(void) const { return startTime; }
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time_t EndTime(void) const { return startTime + duration; }
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int Duration(void) const { return duration; }
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time_t Vps(void) const { return vps; }
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time_t Seen(void) const { return seen; }
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bool SeenWithin(int Seconds) const { return time(NULL) - seen < Seconds; }
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bool HasTimer(void) const;
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bool IsRunning(bool OrAboutToStart = false) const;
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cString GetDateString(void) const;
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cString GetTimeString(void) const;
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cString GetEndTimeString(void) const;
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cString GetVpsString(void) const;
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void SetEventID(tEventID EventID);
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void SetTableID(uchar TableID);
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void SetVersion(uchar Version);
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void SetRunningStatus(int RunningStatus, cChannel *Channel = NULL);
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void SetTitle(const char *Title);
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void SetShortText(const char *ShortText);
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void SetDescription(const char *Description);
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void SetComponents(cComponents *Components); // Will take ownership of Components!
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void SetStartTime(time_t StartTime);
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void SetDuration(int Duration);
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void SetVps(time_t Vps);
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void SetSeen(void);
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cString ToDescr(void) const;
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void Dump(FILE *f, const char *Prefix = "", bool InfoOnly = false) const;
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bool Parse(char *s);
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static bool Read(FILE *f, cSchedule *Schedule);
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void FixEpgBugs(void);
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};
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class cSchedules;
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class cSchedule : public cListObject {
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private:
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tChannelID channelID;
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cList<cEvent> events;
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cHash<cEvent> eventsHashID;
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cHash<cEvent> eventsHashStartTime;
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bool hasRunning;
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time_t modified;
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time_t presentSeen;
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public:
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cSchedule(tChannelID ChannelID);
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tChannelID ChannelID(void) const { return channelID; }
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time_t Modified(void) const { return modified; }
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time_t PresentSeen(void) const { return presentSeen; }
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bool PresentSeenWithin(int Seconds) const { return time(NULL) - presentSeen < Seconds; }
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void SetModified(void) { modified = time(NULL); }
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void SetPresentSeen(void) { presentSeen = time(NULL); }
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void SetRunningStatus(cEvent *Event, int RunningStatus, cChannel *Channel = NULL);
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void ClrRunningStatus(cChannel *Channel = NULL);
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void ResetVersions(void);
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void Sort(void);
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void DropOutdated(time_t SegmentStart, time_t SegmentEnd, uchar TableID, uchar Version);
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void Cleanup(time_t Time);
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void Cleanup(void);
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cEvent *AddEvent(cEvent *Event);
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void DelEvent(cEvent *Event);
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void HashEvent(cEvent *Event);
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void UnhashEvent(cEvent *Event);
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const cList<cEvent> *Events(void) const { return &events; }
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const cEvent *GetPresentEvent(void) const;
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const cEvent *GetFollowingEvent(void) const;
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const cEvent *GetEvent(tEventID EventID, time_t StartTime = 0) const;
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const cEvent *GetEventAround(time_t Time) const;
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void Dump(FILE *f, const char *Prefix = "", eDumpMode DumpMode = dmAll, time_t AtTime = 0) const;
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static bool Read(FILE *f, cSchedules *Schedules);
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};
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class cSchedulesLock {
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private:
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bool locked;
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public:
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cSchedulesLock(bool WriteLock = false, int TimeoutMs = 0);
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~cSchedulesLock();
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bool Locked(void) { return locked; }
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};
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class cSchedules : public cList<cSchedule> {
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friend class cSchedule;
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friend class cSchedulesLock;
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private:
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cRwLock rwlock;
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static cSchedules schedules;
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static const char *epgDataFileName;
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static time_t lastCleanup;
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static time_t lastDump;
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static time_t modified;
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public:
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static void SetEpgDataFileName(const char *FileName);
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static const cSchedules *Schedules(cSchedulesLock &SchedulesLock);
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///< Caller must provide a cSchedulesLock which has to survive the entire
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///< time the returned cSchedules is accessed. Once the cSchedules is no
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///< longer used, the cSchedulesLock must be destroyed.
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static time_t Modified(void) { return modified; }
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static void SetModified(cSchedule *Schedule);
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static void Cleanup(bool Force = false);
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static void ResetVersions(void);
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static bool ClearAll(void);
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static bool Dump(FILE *f, const char *Prefix = "", eDumpMode DumpMode = dmAll, time_t AtTime = 0);
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static bool Read(FILE *f = NULL);
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cSchedule *AddSchedule(tChannelID ChannelID);
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const cSchedule *GetSchedule(tChannelID ChannelID) const;
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const cSchedule *GetSchedule(const cChannel *Channel, bool AddIfMissing = false) const;
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};
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void ReportEpgBugFixStats(bool Reset = false);
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#endif //__EPG_H
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