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vdr/libsi/section.h

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/***************************************************************************
* Copyright (c) 2003 by Marcel Wiesweg *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: section.h 2.1 2012/02/26 13:58:26 kls Exp $
* *
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***************************************************************************/
#ifndef LIBSI_SECTION_H
#define LIBSI_SECTION_H
#include <time.h>
#include "si.h"
#include "headers.h"
namespace SI {
class PAT : public NumberedSection {
public:
PAT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
PAT() {}
class Association : public LoopElement {
public:
int getServiceId() const;
int getPid() const;
bool isNITPid() const { return getServiceId()==0; }
virtual int getLength() { return int(sizeof(pat_prog)); }
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protected:
virtual void Parse();
private:
const pat_prog *s;
};
int getTransportStreamId() const;
StructureLoop<Association> associationLoop;
protected:
virtual void Parse();
private:
const pat *s;
};
class CAT : public NumberedSection {
public:
CAT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
CAT() {}
DescriptorLoop loop;
protected:
virtual void Parse();
};
class PMT : public NumberedSection {
public:
PMT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
PMT() {}
class Stream : public LoopElement {
public:
int getPid() const;
int getStreamType() const;
DescriptorLoop streamDescriptors;
virtual int getLength() { return int(sizeof(pmt_info)+streamDescriptors.getLength()); }
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protected:
virtual void Parse();
private:
const pmt_info *s;
};
DescriptorLoop commonDescriptors;
StructureLoop<Stream> streamLoop;
int getServiceId() const;
int getPCRPid() const;
protected:
virtual void Parse();
private:
const pmt *s;
};
class TSDT : public NumberedSection {
public:
TSDT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
TSDT() {}
DescriptorLoop transportStreamDescriptors;
protected:
virtual void Parse();
private:
const tsdt *s;
};
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class NIT : public NumberedSection {
public:
NIT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
NIT() {}
class TransportStream : public LoopElement {
public:
int getTransportStreamId() const;
int getOriginalNetworkId() const;
virtual int getLength() { return int(sizeof(ni_ts)+transportStreamDescriptors.getLength()); }
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DescriptorLoop transportStreamDescriptors;
protected:
virtual void Parse();
private:
const ni_ts *s;
};
DescriptorLoop commonDescriptors;
StructureLoop<TransportStream> transportStreamLoop;
int getNetworkId() const;
protected:
virtual void Parse();
private:
const nit *s;
};
//BAT has the same structure as NIT but different allowed descriptors
class BAT : public NIT {
public:
BAT(const unsigned char *data, bool doCopy=true) : NIT(data, doCopy) {}
BAT() {}
int getBouquetId() const { return getNetworkId(); }
};
class SDT : public NumberedSection {
public:
SDT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
SDT() {}
class Service : public LoopElement {
public:
int getServiceId() const;
int getEITscheduleFlag() const;
int getEITpresentFollowingFlag() const;
RunningStatus getRunningStatus() const;
int getFreeCaMode() const;
virtual int getLength() { return int(sizeof(sdt_descr)+serviceDescriptors.getLength()); }
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DescriptorLoop serviceDescriptors;
protected:
virtual void Parse();
private:
const sdt_descr *s;
};
int getTransportStreamId() const;
int getOriginalNetworkId() const;
StructureLoop<Service> serviceLoop;
protected:
virtual void Parse();
private:
const sdt *s;
};
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class EIT : public NumberedSection {
public:
EIT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
EIT() {}
class Event : public LoopElement {
public:
int getEventId() const;
time_t getStartTime() const; //UTC
time_t getDuration() const;
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int getMJD() const;
int getStartTimeHour() const; //UTC
int getStartTimeMinute() const; //UTC
int getStartTimeSecond() const; //UTC
int getDurationHour() const;
int getDurationMinute() const;
int getDurationSecond() const;
RunningStatus getRunningStatus() const;
int getFreeCaMode() const;
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DescriptorLoop eventDescriptors;
virtual int getLength() { return int(sizeof(eit_event)+eventDescriptors.getLength()); }
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protected:
virtual void Parse();
private:
const eit_event *s;
};
int getServiceId() const;
int getTransportStreamId() const;
int getOriginalNetworkId() const;
int getSegmentLastSectionNumber() const;
int getLastTableId() const;
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StructureLoop<Event> eventLoop;
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//true if table conveys present/following information, false if it conveys schedule information
bool isPresentFollowing() const;
//true if table describes TS on which it is broadcast, false if it describes other TS
bool isActualTS() const;
protected:
virtual void Parse();
private:
const eit *s;
};
class TDT : public Section {
public:
TDT(const unsigned char *data, bool doCopy=true) : Section(data, doCopy) {}
TDT() {}
time_t getTime() const; //UTC
protected:
virtual void Parse();
private:
const tdt *s;
};
class TOT : public CRCSection {
public:
TOT(const unsigned char *data, bool doCopy=true) : CRCSection(data, doCopy) {}
TOT() {}
time_t getTime() const;
DescriptorLoop descriptorLoop;
protected:
virtual void Parse();
private:
const tot *s;
};
class RST : public Section {
public:
RST(const unsigned char *data, bool doCopy=true) : Section(data, doCopy) {}
RST() {}
class RunningInfo : public LoopElement {
public:
int getTransportStreamId() const;
int getOriginalNetworkId() const;
int getServiceId() const;
int getEventId() const;
RunningStatus getRunningStatus() const;
virtual int getLength() { return int(sizeof(rst_info)); }
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protected:
virtual void Parse();
private:
const rst_info *s;
};
StructureLoop<RunningInfo> infoLoop;
protected:
virtual void Parse();
};
class AIT : public NumberedSection {
public:
AIT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
AIT() {}
class Application : public LoopElement {
public:
virtual int getLength() { return int(sizeof(ait_app)+applicationDescriptors.getLength()); }
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long getOrganisationId() const;
int getApplicationId() const;
int getControlCode() const;
MHP_DescriptorLoop applicationDescriptors;
protected:
virtual void Parse();
const ait_app *s;
};
MHP_DescriptorLoop commonDescriptors;
StructureLoop<Application> applicationLoop;
int getApplicationType() const;
int getAITVersion() const;
protected:
const ait *first;
virtual void Parse();
};
/* Premiere Content Information Table */
class PremiereCIT : public NumberedSection {
public:
PremiereCIT(const unsigned char *data, bool doCopy=true) : NumberedSection(data, doCopy) {}
PremiereCIT() {}
int getContentId() const;
time_t getDuration() const;
PCIT_DescriptorLoop eventDescriptors;
protected:
virtual void Parse();
private:
const pcit *s;
};
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} //end of namespace
#endif //LIBSI_TABLE_H