ntv2caption708serviceinfo.h

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#ifndef __NTV2_CEA708_SERVICEINFO_
#define __NTV2_CEA708_SERVICEINFO_
 
#include "ntv2captionlogging.h"
#ifdef MSWindows
    #include "windows.h"
    #include "stdio.h"
#endif
 
 
// CEA-708 Services
const int NTV2_CC708PrimaryCaptionServiceNum = 1;   // service number for standard caption service
 
const int NTV2_CC708MaxCDPServices = 15;        // the max number of services that can be updated in a single CDP (by CEA-708 law)
const int NTV2_CC708MaxNumServices = 64;        // the max number of services that can be addressed
 
 
typedef struct AJAExport NTV2_CC708ServiceLanguage
{
    char    langID[3];      // caption language (e.g. 'ENG')
 
    explicit NTV2_CC708ServiceLanguage (const char inChar1 = 'e', const char inChar2 = 'n', const char inChar3 = 'g');
    bool    IsEqual (const NTV2_CC708ServiceLanguage & inServiceLanguage) const;
    std::ostream &  Print (std::ostream & inOutStream) const;
 
} NTV2_CC708ServiceLanguage;
 
inline std::ostream & operator << (std::ostream & inOutStream, const NTV2_CC708ServiceLanguage & inLanguage)    {return inLanguage.Print (inOutStream);}
 
 
// common language codes (see ISO 639.2: www.loc.gov/standards/iso639-2/php/English_list.php
const NTV2_CC708ServiceLanguage NTV2_CC708SvcLang_English   (NTV2_CC708ServiceLanguage ('e', 'n', 'g'));
const NTV2_CC708ServiceLanguage NTV2_CC708SvcLang_French    (NTV2_CC708ServiceLanguage ('f', 'r', 'e'));
const NTV2_CC708ServiceLanguage NTV2_CC708SvcLang_Spanish   (NTV2_CC708ServiceLanguage ('s', 'p', 'a'));
 
 
//  CEA-708B CDP Service Info flags  (see CEA-708B, pp 76)
//  NOTE: these bit positions are NOT the same as the svc_info_start/change/complete bits in the CDP Header!
enum
{
    NTV2_CC708CDPSvcInfo_SvcInfoStart    = (1 << 6),
    NTV2_CC708CDPSvcInfo_SvcInfoChange   = (1 << 5),
    NTV2_CC708CDPSvcInfo_SvcInfoComplete = (1 << 4)
};
 
//  CEA-708B CDP Service Info flags  (see ATSC A/65C, pg 71)
enum
{
    NTV2_CC708CDPSvcInfo_DigitalCC   = (1 << 7),
    NTV2_CC708CDPSvcInfo_Line21Field = (1 << 0)     // note: obsolete
};
 
//  CEA-708B CDP Service Info flags  (see ATSC A/65C, pg 71)
enum
{
    NTV2_CC708CDPSvcInfo_EasyReader      = (1 << 7),
    NTV2_CC708CDPSvcInfo_WideAspectRatio = (1 << 6)
};
 
 
typedef struct NTV2_CC708ServiceInfo
{
    bool                        bSvcActive;             
    int                         captionSvcNumber;       
 
    //  From caption service descriptor: ATSC A/65 pg 71...
    NTV2_CC708ServiceLanguage   language;               
    bool                        digitalCC;              
    UByte                       csn_line21field;        
    bool                        easyReader;
    bool                        wideAspect;
 
    explicit inline NTV2_CC708ServiceInfo ()        {Zero();}
    void            Zero (void);
    bool            IsEqual (const NTV2_CC708ServiceInfo & inCompareInfo) const;
    std::ostream &  Print (std::ostream & inOutStream) const;
 
} NTV2_CC708ServiceInfo;
 
 
inline std::ostream & operator << (std::ostream & inOutStream, const NTV2_CC708ServiceInfo & inInfo)    {return inInfo.Print (inOutStream);}
 
 
typedef struct NTV2_CC708ServiceData
{
    bool                    bChange;
    NTV2_CC708ServiceInfo   serviceInfo [NTV2_CC708MaxNumServices];
 
    std::ostream &  Print (std::ostream & inOutStream) const;
 
} NTV2_CC708ServiceData;
 
 
inline std::ostream & operator << (std::ostream & inOutStream, const NTV2_CC708ServiceData & inData)    {return inData.Print (inOutStream);}
 
 
class AJAExport CNTV2Caption708ServiceInfo : public CNTV2CaptionLogConfig
{
    //  INSTANCE METHODS
    public:
                                                CNTV2Caption708ServiceInfo ();
        virtual                                 ~CNTV2Caption708ServiceInfo ();
 
        virtual bool                            InitAllServiceInfo (void);
        virtual bool                            InitCCServiceInfo (const int inServiceIndex);
 
        virtual bool                            CopyAllServiceInfo (const NTV2_CC708ServiceData & inSrcSvcInfo);
        virtual inline const NTV2_CC708ServiceData &    GetAllServiceInfoPtr (void) const                           {return m_serviceData;}
        virtual bool                            CompareAllServiceInfo (const NTV2_CC708ServiceData & inSrcSvcData) const;
 
        virtual bool                            CopyOneServiceInfo (const int inServiceIndex, const NTV2_CC708ServiceInfo & inSrcSvcInfo);
        virtual const NTV2_CC708ServiceInfo &   GetOneServiceInfoPtr (const int inServiceIndex) const;
        virtual bool                            CompareOneServiceInfo (const int inServiceIndex, const NTV2_CC708ServiceInfo & inSrcSvcInfo) const;
 
        virtual int                             NumActiveCDPServiceInfo (const int startIndex = 0);
        virtual bool                            ResetStartIndex (void);
 
        virtual inline int                      GetStartIndex (void) const                                          {return m_startIndex;}
 
        virtual int                             AdvanceToNextStartIndex (const bool bIncludeCurrentIndex);
 
        virtual bool                            SetServiceInfoActive (const int inServiceIndex, const bool inIsActive);
 
        virtual inline bool                     GetServiceInfoActive (const int inServiceIndex) const
                                                {
                                                    return (inServiceIndex >= 0 && inServiceIndex < NTV2_CC708MaxNumServices) ? m_serviceData.serviceInfo [inServiceIndex].bSvcActive : false;
                                                }
 
        virtual inline int                      GetCaptionServiceNumber (const int inServiceIndex) const
                                                {
                                                    return (inServiceIndex >= 0 && inServiceIndex < NTV2_CC708MaxNumServices) ? m_serviceData.serviceInfo [inServiceIndex].captionSvcNumber : 0;
                                                }
 
        virtual bool                            SetServiceInfoLanguage (const int inServiceIndex, const NTV2_CC708ServiceLanguage & inNewLang);
 
        virtual bool                            GetServiceInfoLanguage (const int inServiceIndex, NTV2_CC708ServiceLanguage & outNewLang) const;
 
        virtual bool                            SetServiceInfoEasyReader (const int inServiceIndex, const bool inIsEasyReader);
 
        virtual inline bool                     GetServiceInfoEasyReader (const int inServiceIndex)
                                                {
                                                    return (inServiceIndex >= 0 && inServiceIndex < NTV2_CC708MaxNumServices) ? m_serviceData.serviceInfo [inServiceIndex].easyReader : false;
                                                }
 
        virtual bool                            SetServiceInfoWideAspect (const int inServiceIndex, const bool inIsWideAspect);
 
        virtual inline bool                     GetServiceInfoWideAspect (const int inServiceIndex) const
                                                {
                                                    return (inServiceIndex >= 0 && inServiceIndex < NTV2_CC708MaxNumServices) ? m_serviceData.serviceInfo [inServiceIndex].wideAspect : false;
                                                }
 
        virtual bool                            SetServiceInfoDigitalCC (const int inServiceIndex, const bool inIsDigitalCC);
 
        virtual inline bool                     GetServiceInfoDigitalCC (const int inServiceIndex) const
                                                {
                                                    return (inServiceIndex >= 0 && inServiceIndex < NTV2_CC708MaxNumServices) ? m_serviceData.serviceInfo [inServiceIndex].digitalCC : false;
                                                }
 
        virtual bool                            SetServiceInfoChangeFlag (const bool inChangeFlag);
 
        virtual inline bool                     GetServiceInfoChangeFlag (void) const
                                                {
                                                    return m_serviceData.bChange;
                                                }
 
        // Debug
        virtual std::ostream &                  Print (std::ostream & inOutStream) const;
 
 
    //  INSTANCE DATA
    private:
        int                         m_startIndex;   
        NTV2_CC708ServiceData       m_serviceData;  
 
};  //  CNTV2Caption708ServiceInfo
 
 
std::ostream & operator << (std::ostream & inOutStream, const CNTV2Caption708ServiceInfo & inInfo);
 
 
#endif  // __NTV2_CEA708_SERVICEINFO_