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255 lines
10 KiB
C++
255 lines
10 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 4.1 2015/03/13 11:20:50 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_AUX 0x08
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#define CHANNELMOD_CA 0x10
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#define CHANNELMOD_TRANSP 0x20
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#define CHANNELMOD_LANGS 0x40
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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 // audio
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#define MAXDPIDS 16 // dolby (AC3 + DTS)
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#define MAXSPIDS 32 // subtitles
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#define MAXCAIDS 12 // conditional access
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#define MAXLANGCODE1 4 // a 3 letter language code, zero terminated
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#define MAXLANGCODE2 8 // up to two 3 letter language codes, separated by '+' and zero terminated
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#define CA_FTA 0x0000
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#define CA_DVB_MIN 0x0001
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#define CA_DVB_MAX 0x000F
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#define CA_USER_MIN 0x0010
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#define CA_USER_MAX 0x00FF
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#define CA_ENCRYPTED_MIN 0x0100
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#define CA_ENCRYPTED_MAX 0xFFFF
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struct tChannelID {
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private:
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int source;
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int nid; ///< actually the "original" network id
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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 { return source == arg.source && nid == arg.nid && tid == arg.tid && sid == arg.sid && rid == arg.rid; }
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bool Valid(void) const { 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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int Source(void) const { return source; }
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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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static tChannelID FromString(const char *s);
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cString ToString(void) const;
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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 cSchedule;
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class cChannel : public cListObject {
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friend class cSchedules;
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friend class cMenuEditChannel;
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friend class cDvbSourceParam;
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private:
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static cString 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 vtype;
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int apids[MAXAPIDS + 1]; // list is zero-terminated
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int atypes[MAXAPIDS + 1]; // list is zero-terminated
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char alangs[MAXAPIDS][MAXLANGCODE2];
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int dpids[MAXDPIDS + 1]; // list is zero-terminated
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int dtypes[MAXAPIDS + 1]; // list is zero-terminated
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char dlangs[MAXDPIDS][MAXLANGCODE2];
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int spids[MAXSPIDS + 1]; // list is zero-terminated
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char slangs[MAXSPIDS][MAXLANGCODE2];
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uchar subtitlingTypes[MAXSPIDS];
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uint16_t compositionPageIds[MAXSPIDS];
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uint16_t ancillaryPageIds[MAXSPIDS];
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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 lcn; // Logical channel number assigned by data stream (or -1 if not available)
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int number; // Sequence number assigned on load
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bool groupSep;
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int __EndData__;
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mutable cString nameSource;
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mutable cString shortNameSource;
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cString parameters;
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int modification;
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time_t seen; // When this channel was last seen in the SDT of its transponder
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mutable const cSchedule *schedule;
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cLinkChannels *linkChannels;
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cChannel *refChannel;
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cString TransponderDataToString(void) const;
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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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cString ToText(void) const;
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bool Parse(const char *s);
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bool Save(FILE *f);
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const char *Name(void) const;
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const char *ShortName(bool OrName = false) const;
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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 Vtype(void) const { return vtype; }
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const int *Apids(void) const { return apids; }
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const int *Dpids(void) const { return dpids; }
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const int *Spids(void) const { return spids; }
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int Apid(int i) const { return (0 <= i && i < MAXAPIDS) ? apids[i] : 0; }
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int Dpid(int i) const { return (0 <= i && i < MAXDPIDS) ? dpids[i] : 0; }
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int Spid(int i) const { return (0 <= i && i < MAXSPIDS) ? spids[i] : 0; }
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const char *Alang(int i) const { return (0 <= i && i < MAXAPIDS) ? alangs[i] : ""; }
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const char *Dlang(int i) const { return (0 <= i && i < MAXDPIDS) ? dlangs[i] : ""; }
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const char *Slang(int i) const { return (0 <= i && i < MAXSPIDS) ? slangs[i] : ""; }
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int Atype(int i) const { return (0 <= i && i < MAXAPIDS) ? atypes[i] : 0; }
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int Dtype(int i) const { return (0 <= i && i < MAXDPIDS) ? dtypes[i] : 0; }
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uchar SubtitlingType(int i) const { return (0 <= i && i < MAXSPIDS) ? subtitlingTypes[i] : uchar(0); }
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uint16_t CompositionPageId(int i) const { return (0 <= i && i < MAXSPIDS) ? compositionPageIds[i] : uint16_t(0); }
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uint16_t AncillaryPageId(int i) const { return (0 <= i && i < MAXSPIDS) ? ancillaryPageIds[i] : uint16_t(0); }
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int Tpid(void) const { return tpid; }
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const int *Caids(void) const { return caids; }
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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 Lcn(void) const { return lcn; }
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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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const char *Parameters(void) const { return parameters; }
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const cLinkChannels* LinkChannels(void) const { return linkChannels; }
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const cChannel *RefChannel(void) const { return refChannel; }
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bool IsAtsc(void) const { return cSource::IsAtsc(source); }
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bool IsCable(void) const { return cSource::IsCable(source); }
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bool IsSat(void) const { return cSource::IsSat(source); }
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bool IsTerr(void) const { return cSource::IsTerr(source); }
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bool IsSourceType(char Source) const { return cSource::IsType(source, Source); }
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tChannelID GetChannelID(void) const { return tChannelID(source, nid, (nid || tid) ? tid : Transponder(), sid, rid); }
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bool HasTimer(void) const;
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int Modification(int Mask = CHANNELMOD_ALL);
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time_t Seen(void) { return seen; }
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void CopyTransponderData(const cChannel *Channel);
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bool SetTransponderData(int Source, int Frequency, int Srate, const char *Parameters, bool Quiet = false);
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void SetSource(int Source);
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void SetId(int Nid, int Tid, int Sid, int Rid = 0);
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void SetLcn(int Lcn);
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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 Vtype, int *Apids, int *Atypes, char ALangs[][MAXLANGCODE2], int *Dpids, int *Dtypes, char DLangs[][MAXLANGCODE2], int *Spids, char SLangs[][MAXLANGCODE2], 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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void SetSubtitlingDescriptors(uchar *SubtitlingTypes, uint16_t *CompositionPageIds, uint16_t *AncillaryPageIds);
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void SetSeen(void);
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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 maxChannelNameLength;
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int maxShortChannelNameLength;
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int modified;
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int beingEdited;
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cHash<cChannel> channelsHashSid;
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void DeleteDuplicateChannels(void);
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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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void HashChannel(cChannel *Channel);
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void UnhashChannel(cChannel *Channel);
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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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int GetPrevNormal(int Idx); // Get previous 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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cChannel *GetByTransponderID(tChannelID ChannelID);
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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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int MaxChannelNameLength(void);
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int MaxShortChannelNameLength(void);
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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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void MarkObsoleteChannels(int Source, int Nid, int Tid);
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};
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extern cChannels Channels;
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cString ChannelString(const cChannel *Channel, int Number);
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#endif //__CHANNELS_H
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