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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 1.6 2002/11/30 12:59:05 kls Exp $
*/
#ifndef __CHANNELS_H
#define __CHANNELS_H
#include "config.h"
#include "sources.h"
#include "tools.h"
#define ISTRANSPONDER(f1, f2) (abs((f1) - (f2)) < 4) //XXX
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 tid && sid; } // nid and rid are optional and source may be 0
tChannelID &ClrRid(void) { rid = 0; return *this; }
static tChannelID FromString(const char *s);
const char *ToString(void);
static const tChannelID InvalidID;
};
class cChannel : public cListObject {
friend class cMenuEditChannel;
private:
static char *buffer;
static const char *ToText(cChannel *Channel);
enum { MaxChannelName = 32 }; // 31 chars + terminating 0!
int __BeginData__;
char name[MaxChannelName];
int frequency; // MHz
int source;
int srate;
int vpid;
int apid1, apid2;
int dpid1, dpid2;
int tpid;
int ca;
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__;
const char *ParametersToString(void);
bool StringToParameters(const char *s);
public:
cChannel(void);
cChannel& operator= (const cChannel &Channel);
const char *ToText(void);
bool Parse(const char *s, bool AllowNonUniqueID = false);
bool Save(FILE *f);
const char *Name(void) const { return name; }
int Frequency(void) const { return frequency; }
int Source(void) const { return source; }
int Srate(void) const { return srate; }
int Vpid(void) const { return vpid; }
int Apid1(void) const { return apid1; }
int Apid2(void) const { return apid2; }
int Dpid1(void) const { return dpid1; }
int Dpid2(void) const { return dpid2; }
int Tpid(void) const { return tpid; }
int Ca(void) const { return ca; }
int Sid(void) const { return sid; }
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) { return (source & cSource::st_Mask) == cSource::stCable; }
bool IsSat(void) { return (source & cSource::st_Mask) == cSource::stSat; }
bool IsTerr(void) { return (source & cSource::st_Mask) == cSource::stTerr; }
tChannelID GetChannelID(void) const;
};
class cChannels : public cConfig<cChannel> {
protected:
int maxNumber;
public:
cChannels(void) { maxNumber = 0; }
virtual bool Load(const char *FileName, bool AllowComments = 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, unsigned short ServiceID);
cChannel *GetByChannelID(tChannelID ChannelID, bool TryWithoutRid = false);
bool HasUniqueChannelID(cChannel *NewChannel, cChannel *OldChannel = NULL);
bool SwitchTo(int Number);
int MaxNumber(void) { return maxNumber; }
};
extern cChannels Channels;
#endif //__CHANNELS_H
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