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/*
* channels.h: Channel handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: channels.h 1.23 2004/12/05 13:49:04 kls Exp $
*/
#ifndef __CHANNELS_H
#define __CHANNELS_H
#include "config.h"
#include "sources.h"
#include "thread.h"
#include "tools.h"
#define ISTRANSPONDER(f1, f2) (abs((f1) - (f2)) < 4) //XXX
#define CHANNELMOD_NONE 0x00
#define CHANNELMOD_ALL 0xFF
#define CHANNELMOD_NAME 0x01
#define CHANNELMOD_PIDS 0x02
#define CHANNELMOD_ID 0x04
#define CHANNELMOD_CA 0x10
#define CHANNELMOD_TRANSP 0x20
#define CHANNELMOD_RETUNE (CHANNELMOD_PIDS | CHANNELMOD_CA | CHANNELMOD_TRANSP)
#define CHANNELSMOD_NONE 0
#define CHANNELSMOD_AUTO 1
#define CHANNELSMOD_USER 2
#define MAXAPIDS 32
#define MAXCAIDS 8
struct tChannelParameterMap {
int userValue;
int driverValue;
};
//XXX into cChannel???
int MapToUser(int Value, const tChannelParameterMap *Map);
int MapToDriver(int Value, const tChannelParameterMap *Map);
int UserIndex(int Value, const tChannelParameterMap *Map);
int DriverIndex(int Value, const tChannelParameterMap *Map);
extern const tChannelParameterMap InversionValues[];
extern const tChannelParameterMap BandwidthValues[];
extern const tChannelParameterMap CoderateValues[];
extern const tChannelParameterMap ModulationValues[];
extern const tChannelParameterMap TransmissionValues[];
extern const tChannelParameterMap GuardValues[];
extern const tChannelParameterMap HierarchyValues[];
struct tChannelID {
private:
int source;
int nid;
int tid;
int sid;
int rid;
public:
tChannelID(void) { source = nid = tid = sid = rid = 0; }
tChannelID(int Source, int Nid, int Tid, int Sid, int Rid = 0) { source = Source; nid = Nid; tid = Tid; sid = Sid; rid = Rid; }
bool operator== (const tChannelID &arg) const;
bool Valid(void) { return (nid || tid) && sid; } // rid is optional and source may be 0//XXX source may not be 0???
tChannelID &ClrRid(void) { rid = 0; return *this; }
tChannelID &ClrPolarization(void);
static tChannelID FromString(const char *s);
const char *ToString(void);
static const tChannelID InvalidID;
};
class cChannel;
class cLinkChannel : public cListObject {
private:
cChannel *channel;
public:
cLinkChannel(cChannel *Channel) { channel = Channel; }
cChannel *Channel(void) { return channel; }
};
class cLinkChannels : public cList<cLinkChannel> {
};
class cChannel : public cListObject {
friend class cMenuEditChannel;
private:
static char *buffer;
static const char *ToText(const cChannel *Channel);
char *name;
char *shortName;
char *provider;
char *portalName;
int __BeginData__;
int frequency; // MHz
int source;
int srate;
int vpid;
int ppid;
int apids[MAXAPIDS + 1]; // list is zero-terminated
char alangs[MAXAPIDS][4];
int dpids[MAXAPIDS + 1]; // list is zero-terminated
char dlangs[MAXAPIDS][4];
int tpid;
int caids[MAXCAIDS + 1]; // list is zero-terminated
int nid;
int tid;
int sid;
int rid;
int number; // Sequence number assigned on load
bool groupSep;
char polarization;
int inversion;
int bandwidth;
int coderateH;
int coderateL;
int modulation;
int transmission;
int guard;
int hierarchy;
int __EndData__;
int modification;
cLinkChannels *linkChannels;
cChannel *refChannel;
const char *ParametersToString(void) const;
bool StringToParameters(const char *s);
public:
cChannel(void);
cChannel(const cChannel &Channel);
~cChannel();
cChannel& operator= (const cChannel &Channel);
const char *ToText(void) const;
bool Parse(const char *s, bool AllowNonUniqueID = false);
bool Save(FILE *f);
const char *Name(void) const { return name; }
const char *ShortName(bool OrName = false) const { return (OrName && isempty(shortName)) ? name : shortName; }
const char *Provider(void) const { return provider; }
const char *PortalName(void) const { return portalName; }
int Frequency(void) const { return frequency; } ///< Returns the actual frequency, as given in 'channels.conf'
int Transponder(void) const; ///< Returns the transponder frequency in MHz, plus the polarization in case of sat
static int Transponder(int Frequency, char Polarization); ///< builds the transponder from the given Frequency and Polarization
int Source(void) const { return source; }
int Srate(void) const { return srate; }
int Vpid(void) const { return vpid; }
int Ppid(void) const { return ppid; }
int Apid(int i) const { return (0 <= i && i < MAXAPIDS) ? apids[i] : 0; }
int Dpid(int i) const { return (0 <= i && i < MAXAPIDS) ? dpids[i] : 0; }
const char *Alang(int i) const { return (0 <= i && i < MAXAPIDS) ? alangs[i] : ""; }
const char *Dlang(int i) const { return (0 <= i && i < MAXAPIDS) ? dlangs[i] : ""; }
int Tpid(void) const { return tpid; }
int Ca(int Index = 0) const { return Index < MAXCAIDS ? caids[Index] : 0; }
int Nid(void) const { return nid; }
int Tid(void) const { return tid; }
int Sid(void) const { return sid; }
int Rid(void) const { return rid; }
int Number(void) const { return number; }
void SetNumber(int Number) { number = Number; }
bool GroupSep(void) const { return groupSep; }
char Polarization(void) const { return polarization; }
int Inversion(void) const { return inversion; }
int Bandwidth(void) const { return bandwidth; }
int CoderateH(void) const { return coderateH; }
int CoderateL(void) const { return coderateL; }
int Modulation(void) const { return modulation; }
int Transmission(void) const { return transmission; }
int Guard(void) const { return guard; }
int Hierarchy(void) const { return hierarchy; }
bool IsCable(void) const { return (source & cSource::st_Mask) == cSource::stCable; }
bool IsSat(void) const { return (source & cSource::st_Mask) == cSource::stSat; }
bool IsTerr(void) const { return (source & cSource::st_Mask) == cSource::stTerr; }
tChannelID GetChannelID(void) const;
int Modification(int Mask = CHANNELMOD_ALL);
bool SetSatTransponderData(int Source, int Frequency, char Polarization, int Srate, int CoderateH);
bool SetCableTransponderData(int Source, int Frequency, int Modulation, int Srate, int CoderateH);
bool SetTerrTransponderData(int Source, int Frequency, int Bandwidth, int Modulation, int Hierarchy, int CodeRateH, int CodeRateL, int Guard, int Transmission);
void SetId(int Nid, int Tid, int Sid, int Rid = 0);
void SetName(const char *Name, const char *ShortName, const char *Provider);
void SetPortalName(const char *PortalName);
void SetPids(int Vpid, int Ppid, int *Apids, char ALangs[][4], int *Dpids, char DLangs[][4], int Tpid);
void SetCaIds(const int *CaIds); // list must be zero-terminated
void SetCaDescriptors(int Level);
void SetLinkChannels(cLinkChannels *LinkChannels);
void SetRefChannel(cChannel *RefChannel);
};
class cChannels : public cRwLock, public cConfig<cChannel> {
private:
int maxNumber;
int modified;
int beingEdited;
public:
cChannels(void);
bool Load(const char *FileName, bool AllowComments = false, bool MustExist = false);
int GetNextGroup(int Idx); // Get next channel group
int GetPrevGroup(int Idx); // Get previous channel group
int GetNextNormal(int Idx); // Get next normal channel (not group)
void ReNumber(void); // Recalculate 'number' based on channel type
cChannel *GetByNumber(int Number, int SkipGap = 0);
cChannel *GetByServiceID(int Source, int Transponder, unsigned short ServiceID);
cChannel *GetByChannelID(tChannelID ChannelID, bool TryWithoutRid = false, bool TryWithoutPolarization = false);
int BeingEdited(void) { return beingEdited; }
void IncBeingEdited(void) { beingEdited++; }
void DecBeingEdited(void) { beingEdited--; }
bool HasUniqueChannelID(cChannel *NewChannel, cChannel *OldChannel = NULL);
bool SwitchTo(int Number);
int MaxNumber(void) { return maxNumber; }
void SetModified(bool ByUser = false);
int Modified(void);
///< Returns 0 if no channels have been modified, 1 if an automatic
///< modification has been made, and 2 if the user has made a modification.
///< Calling this function resets the 'modified' flag to 0.
cChannel *NewChannel(const cChannel *Transponder, const char *Name, const char *ShortName, const char *Provider, int Nid, int Tid, int Sid, int Rid = 0);
};
extern cChannels Channels;
const char *ChannelString(const cChannel *Channel, int Number);
#endif //__CHANNELS_H
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