ancillarydatafactory.cpp

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/* SPDX-License-Identifier: MIT */
#include "ancillarydatafactory.h"
#include "ancillarydata.h"
#include "ancillarydata_timecode_atc.h"
#include "ancillarydata_timecode_vitc.h"
#include "ancillarydata_cea708.h"
#include "ancillarydata_cea608_vanc.h"
#include "ancillarydata_cea608_line21.h"
#include "ancillarydata_framestatusinfo524D.h"
#include "ancillarydata_framestatusinfo5251.h"
#include "ancillarydata_hdmi_aux.h"
//#include "ancillarydata_smpte352.h"
//#include "ancillarydata_smpte2016-3.h"
//#include "ancillarydata_smpte2051.h"
 
 
AJAAncillaryData * AJAAncillaryDataFactory::Create (const AJAAncDataType inAncType, const AJAAncillaryData & inAncData)
{
    return Create (inAncType, &inAncData);
}
 
 
AJAAncillaryData * AJAAncillaryDataFactory::Create (const AJAAncDataType inAncType, const AJAAncillaryData *pAncData)
{
    AJAAncillaryData * pResult (NULL);
    switch (inAncType)
    {
        case AJAAncDataType_Unknown:                pResult = new AJAAncillaryData(pAncData);                       break;  //  Use base type for 'Unknown'
        case AJAAncDataType_Timecode_ATC:           pResult = new AJAAncillaryData_Timecode_ATC(pAncData);          break;
        case AJAAncDataType_Timecode_VITC:          pResult = new AJAAncillaryData_Timecode_VITC(pAncData);         break;
        case AJAAncDataType_Cea708:                 pResult = new AJAAncillaryData_Cea708(pAncData);                break;
        case AJAAncDataType_Cea608_Vanc:            pResult = new AJAAncillaryData_Cea608_Vanc(pAncData);           break;
        case AJAAncDataType_Cea608_Line21:          pResult = new AJAAncillaryData_Cea608_Line21(pAncData);         break;
        case AJAAncDataType_FrameStatusInfo524D:    pResult = new AJAAncillaryData_FrameStatusInfo524D(pAncData);   break;
        case AJAAncDataType_FrameStatusInfo5251:    pResult = new AJAAncillaryData_FrameStatusInfo5251(pAncData);   break;
 
        case AJAAncDataType_Smpte2016_3:            break;  //  pResult = new AJAAncillaryData_Smpte2016_3(pAncData);   break;
        case AJAAncDataType_Smpte352:               break;  //  pResult = new AJAAncillaryData_Smpte352(pAncData);      break;
        case AJAAncDataType_Smpte2051:              break;  //  pResult = new AJAAncillaryData_Smpte2051(pAncData);     break;
        case AJAAncDataType_HDR_SDR:                break;
        case AJAAncDataType_HDR_HDR10:              break;
        case AJAAncDataType_HDR_HLG:                break;
 
        case AJAAncDataType_HDMI_Aux:               pResult = new AJAAncillaryData_HDMI_Aux(pAncData);  break;
#if !defined(_DEBUG)
        default:    break;
#else
        case AJAAncDataType_Size:                   break;
#endif
    }
    if (pResult)
        //  Populate the specialized AJAAncillaryData object's member variables from the packet data...
        pResult->ParsePayloadData();
    return pResult;
}
 
 
 
AJAAncDataType AJAAncillaryDataFactory::GuessAncillaryDataType (const AJAAncillaryData & inAncData)
{
    return GuessAncillaryDataType (&inAncData);
}
 
//---------------------------------
// Given a "raw" (unparsed) AJAAncillaryData object, see if we can identify it based on its contents (e.g. DID, SID, location, etc.)
// (Architectural note: while this isn't a "factory" method, per se, it's convenient to be here because the factory is the one thing
// that knows about ALL classes, and you're often calling this as a prelude to creating a new object of the appropriate type using
// the factory.)
//
 
AJAAncDataType AJAAncillaryDataFactory::GuessAncillaryDataType (const AJAAncillaryData * pAncData)
{
    AJAAncDataType result = AJAAncDataType_Unknown;
 
        // walk through each of the known derived AncillaryData derived classes
        // and ask them if they recognize this data
 
//  if ( (result = AJAAncillaryData_Smpte2016_3::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
//      return result;
// 
    if ( (result = AJAAncillaryData_Timecode_ATC::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    if ( (result = AJAAncillaryData_Timecode_VITC::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    if ( (result = AJAAncillaryData_Cea708::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    if ( (result = AJAAncillaryData_Cea608_Vanc::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    if ( (result = AJAAncillaryData_Cea608_Line21::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
//  if ( (result = AJAAncillaryData_Smpte352::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
//      return result;
 
//  if ( (result = AJAAncillaryData_Smpte2051::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
//      return result;
// 
    if ( (result = AJAAncillaryData_FrameStatusInfo524D::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    if ( (result = AJAAncillaryData_FrameStatusInfo5251::RecognizeThisAncillaryData(pAncData)) != AJAAncDataType_Unknown)
        return result;
 
    return result;
}