mirror of
https://github.com/VDR4Arch/vdr.git
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222 lines
8.2 KiB
C++
222 lines
8.2 KiB
C++
/*
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* channels.h: Channel handling
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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: channels.h 1.22 2004/10/31 12:54:26 kls Exp $
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*/
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#ifndef __CHANNELS_H
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#define __CHANNELS_H
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#include "config.h"
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#include "sources.h"
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#include "thread.h"
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#include "tools.h"
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#define ISTRANSPONDER(f1, f2) (abs((f1) - (f2)) < 4) //XXX
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#define CHANNELMOD_NONE 0x00
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#define CHANNELMOD_ALL 0xFF
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#define CHANNELMOD_NAME 0x01
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#define CHANNELMOD_PIDS 0x02
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#define CHANNELMOD_ID 0x04
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#define CHANNELMOD_CA 0x10
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#define CHANNELMOD_TRANSP 0x20
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#define CHANNELMOD_RETUNE (CHANNELMOD_PIDS | CHANNELMOD_CA | CHANNELMOD_TRANSP)
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#define CHANNELSMOD_NONE 0
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#define CHANNELSMOD_AUTO 1
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#define CHANNELSMOD_USER 2
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#define MAXAPIDS 32
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#define MAXCAIDS 8
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struct tChannelParameterMap {
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int userValue;
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int driverValue;
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};
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//XXX into cChannel???
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int MapToUser(int Value, const tChannelParameterMap *Map);
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int MapToDriver(int Value, const tChannelParameterMap *Map);
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int UserIndex(int Value, const tChannelParameterMap *Map);
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int DriverIndex(int Value, const tChannelParameterMap *Map);
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extern const tChannelParameterMap InversionValues[];
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extern const tChannelParameterMap BandwidthValues[];
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extern const tChannelParameterMap CoderateValues[];
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extern const tChannelParameterMap ModulationValues[];
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extern const tChannelParameterMap TransmissionValues[];
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extern const tChannelParameterMap GuardValues[];
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extern const tChannelParameterMap HierarchyValues[];
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struct tChannelID {
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private:
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int source;
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int nid;
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int tid;
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int sid;
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int rid;
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public:
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tChannelID(void) { source = nid = tid = sid = rid = 0; }
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tChannelID(int Source, int Nid, int Tid, int Sid, int Rid = 0) { source = Source; nid = Nid; tid = Tid; sid = Sid; rid = Rid; }
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bool operator== (const tChannelID &arg) const;
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bool Valid(void) { return (nid || tid) && sid; } // rid is optional and source may be 0//XXX source may not be 0???
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tChannelID &ClrRid(void) { rid = 0; return *this; }
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tChannelID &ClrPolarization(void);
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static tChannelID FromString(const char *s);
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const char *ToString(void);
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static const tChannelID InvalidID;
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};
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class cChannel;
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class cLinkChannel : public cListObject {
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private:
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cChannel *channel;
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public:
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cLinkChannel(cChannel *Channel) { channel = Channel; }
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cChannel *Channel(void) { return channel; }
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};
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class cLinkChannels : public cList<cLinkChannel> {
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};
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class cChannel : public cListObject {
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friend class cMenuEditChannel;
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private:
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static char *buffer;
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static const char *ToText(const cChannel *Channel);
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char *name;
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char *shortName;
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char *provider;
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char *portalName;
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int __BeginData__;
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int frequency; // MHz
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int source;
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int srate;
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int vpid;
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int ppid;
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int apids[MAXAPIDS + 1]; // list is zero-terminated
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char alangs[MAXAPIDS][4];
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int dpids[MAXAPIDS + 1]; // list is zero-terminated
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char dlangs[MAXAPIDS][4];
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int tpid;
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int caids[MAXCAIDS + 1]; // list is zero-terminated
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int nid;
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int tid;
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int sid;
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int rid;
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int number; // Sequence number assigned on load
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bool groupSep;
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char polarization;
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int inversion;
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int bandwidth;
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int coderateH;
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int coderateL;
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int modulation;
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int transmission;
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int guard;
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int hierarchy;
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int __EndData__;
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int modification;
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cLinkChannels *linkChannels;
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cChannel *refChannel;
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const char *ParametersToString(void) const;
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bool StringToParameters(const char *s);
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public:
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cChannel(void);
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cChannel(const cChannel &Channel);
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~cChannel();
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cChannel& operator= (const cChannel &Channel);
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const char *ToText(void) const;
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bool Parse(const char *s, bool AllowNonUniqueID = false);
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bool Save(FILE *f);
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const char *Name(void) const { return name; }
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const char *ShortName(bool OrName = false) const { return (OrName && isempty(shortName)) ? name : shortName; }
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const char *Provider(void) const { return provider; }
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const char *PortalName(void) const { return portalName; }
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int Frequency(void) const { return frequency; } ///< Returns the actual frequency, as given in 'channels.conf'
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int Transponder(void) const; ///< Returns the transponder frequency in MHz, plus the polarization in case of sat
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static int Transponder(int Frequency, char Polarization); ///< builds the transponder from the given Frequency and Polarization
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int Source(void) const { return source; }
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int Srate(void) const { return srate; }
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int Vpid(void) const { return vpid; }
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int Ppid(void) const { return ppid; }
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int Apid1(void) const { return apids[0]; }
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int Apid2(void) const { return apids[1]; }
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int Dpid1(void) const { return dpids[0]; }
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int Dpid2(void) const { return dpids[1]; }
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int Tpid(void) const { return tpid; }
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int Ca(int Index = 0) const { return Index < MAXCAIDS ? caids[Index] : 0; }
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int Nid(void) const { return nid; }
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int Tid(void) const { return tid; }
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int Sid(void) const { return sid; }
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int Rid(void) const { return rid; }
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int Number(void) const { return number; }
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void SetNumber(int Number) { number = Number; }
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bool GroupSep(void) const { return groupSep; }
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char Polarization(void) const { return polarization; }
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int Inversion(void) const { return inversion; }
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int Bandwidth(void) const { return bandwidth; }
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int CoderateH(void) const { return coderateH; }
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int CoderateL(void) const { return coderateL; }
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int Modulation(void) const { return modulation; }
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int Transmission(void) const { return transmission; }
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int Guard(void) const { return guard; }
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int Hierarchy(void) const { return hierarchy; }
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bool IsCable(void) const { return (source & cSource::st_Mask) == cSource::stCable; }
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bool IsSat(void) const { return (source & cSource::st_Mask) == cSource::stSat; }
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bool IsTerr(void) const { return (source & cSource::st_Mask) == cSource::stTerr; }
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tChannelID GetChannelID(void) const;
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int Modification(int Mask = CHANNELMOD_ALL);
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bool SetSatTransponderData(int Source, int Frequency, char Polarization, int Srate, int CoderateH);
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bool SetCableTransponderData(int Source, int Frequency, int Modulation, int Srate, int CoderateH);
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bool SetTerrTransponderData(int Source, int Frequency, int Bandwidth, int Modulation, int Hierarchy, int CodeRateH, int CodeRateL, int Guard, int Transmission);
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void SetId(int Nid, int Tid, int Sid, int Rid = 0);
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void SetName(const char *Name, const char *ShortName, const char *Provider);
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void SetPortalName(const char *PortalName);
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void SetPids(int Vpid, int Ppid, int *Apids, char ALangs[][4], int *Dpids, char DLangs[][4], int Tpid);
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void SetCaIds(const int *CaIds); // list must be zero-terminated
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void SetCaDescriptors(int Level);
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void SetLinkChannels(cLinkChannels *LinkChannels);
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void SetRefChannel(cChannel *RefChannel);
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};
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class cChannels : public cRwLock, public cConfig<cChannel> {
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private:
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int maxNumber;
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int modified;
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int beingEdited;
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public:
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cChannels(void);
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bool Load(const char *FileName, bool AllowComments = false, bool MustExist = false);
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int GetNextGroup(int Idx); // Get next channel group
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int GetPrevGroup(int Idx); // Get previous channel group
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int GetNextNormal(int Idx); // Get next normal channel (not group)
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void ReNumber(void); // Recalculate 'number' based on channel type
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cChannel *GetByNumber(int Number, int SkipGap = 0);
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cChannel *GetByServiceID(int Source, int Transponder, unsigned short ServiceID);
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cChannel *GetByChannelID(tChannelID ChannelID, bool TryWithoutRid = false, bool TryWithoutPolarization = false);
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int BeingEdited(void) { return beingEdited; }
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void IncBeingEdited(void) { beingEdited++; }
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void DecBeingEdited(void) { beingEdited--; }
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bool HasUniqueChannelID(cChannel *NewChannel, cChannel *OldChannel = NULL);
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bool SwitchTo(int Number);
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int MaxNumber(void) { return maxNumber; }
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void SetModified(bool ByUser = false);
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int Modified(void);
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///< Returns 0 if no channels have been modified, 1 if an automatic
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///< modification has been made, and 2 if the user has made a modification.
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///< Calling this function resets the 'modified' flag to 0.
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cChannel *NewChannel(const cChannel *Transponder, const char *Name, const char *ShortName, const char *Provider, int Nid, int Tid, int Sid, int Rid = 0);
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};
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extern cChannels Channels;
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const char *ChannelString(const cChannel *Channel, int Number);
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#endif //__CHANNELS_H
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