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/** \file     SEI.cpp

    \brief    helper functions for SEI handling

*/

#include "SEI.h"

#include "CommonDef.h"

#include "dtrace_next.h"

//! \ingroup CommonLib

//! \{

namespace vvenc {

#if ENABLE_TRACING

void xTraceSEIHeader()

{

  DTRACE( g_trace_ctx, D_HEADER, "=========== SEI message ===========\n" );

}

void xTraceSEIMessageType( SEI::PayloadType payloadType )

{

  DTRACE( g_trace_ctx, D_HEADER, "=========== %s SEI message ===========\n", SEI::getSEIMessageString( payloadType ) );

}

#endif

SEIMessages getSeisByType(const SEIMessages &seiList, SEI::PayloadType seiType)

{

  SEIMessages result;

  for (SEIMessages::const_iterator it=seiList.begin(); it!=seiList.end(); it++)

  {

    if ((*it)->payloadType() == seiType)

    {

      result.push_back(*it);

    }

  }

  return result;

}

SEIMessages extractSeisByType(SEIMessages &seiList, SEI::PayloadType seiType)

{

  SEIMessages result;

  SEIMessages::iterator it=seiList.begin();

  while ( it!=seiList.end() )

  {

    if ((*it)->payloadType() == seiType)

    {

      result.push_back(*it);

      it = seiList.erase(it);

    }

    else

    {

      it++;

    }

  }

  return result;

}

void deleteSEIs (SEIMessages &seiList)

{

  for (SEIMessages::iterator it=seiList.begin(); it!=seiList.end(); it++)

  {

    delete (*it);

  }

  seiList.clear();

}

// Static member

const char *SEI::getSEIMessageString(SEI::PayloadType payloadType)

{

  switch (payloadType)

  {

    case SEI::BUFFERING_PERIOD:                     return "Buffering period";

    case SEI::PICTURE_TIMING:                       return "Picture timing";

    case SEI::FILLER_PAYLOAD:                       return "Filler payload";                       // not currently decoded

    case SEI::USER_DATA_REGISTERED_ITU_T_T35:       return "User data registered";                 // not currently decoded

    case SEI::USER_DATA_UNREGISTERED:               return "User data unregistered";

    case SEI::FILM_GRAIN_CHARACTERISTICS:           return "Film grain characteristics";           // not currently decoded

    case SEI::FRAME_PACKING:                        return "Frame packing arrangement";

    case SEI::PARAMETER_SETS_INCLUSION_INDICATION:  return "Parameter sets inclusion indication";

    case SEI::DECODING_UNIT_INFO:                   return "Decoding unit information";

    case SEI::SCALABLE_NESTING:                     return "Scalable nesting";

    case SEI::DECODED_PICTURE_HASH:                 return "Decoded picture hash";

    case SEI::DEPENDENT_RAP_INDICATION:             return "Dependent RAP indication";

    case SEI::MASTERING_DISPLAY_COLOUR_VOLUME:      return "Mastering display colour volume";

    case SEI::ALTERNATIVE_TRANSFER_CHARACTERISTICS: return "Alternative transfer characteristics";

    case SEI::CONTENT_LIGHT_LEVEL_INFO:             return "Content light level information";

    case SEI::AMBIENT_VIEWING_ENVIRONMENT:          return "Ambient viewing environment";

    case SEI::CONTENT_COLOUR_VOLUME:                return "Content colour volume";

    case SEI::EQUIRECTANGULAR_PROJECTION:           return "Equirectangular projection";

    case SEI::SPHERE_ROTATION:                      return "Sphere rotation";

    case SEI::REGION_WISE_PACKING:                  return "Region wise packing information";

    case SEI::OMNI_VIEWPORT:                        return "Omni viewport";

    case SEI::GENERALIZED_CUBEMAP_PROJECTION:       return "Generalized cubemap projection";

    case SEI::SAMPLE_ASPECT_RATIO_INFO:             return "Sample aspect ratio information";

    case SEI::SUBPICTURE_LEVEL_INFO:                return "Subpicture level information";

    default:                                        return "Unknown";

  }

}

} // namespace vvenc

//! \}