ChromaFormat.cpp

/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.
 *
 * Copyright (c) 2010-2023, ITU/ISO/IEC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
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 *    and/or other materials provided with the distribution.
 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */


#include "ChromaFormat.h"
#include "TrQuant.h"


//----------------------------------------------------------------------------------------------------------------------

InputColourSpaceConversion stringToInputColourSpaceConvert(const std::string &value, const bool bIsForward)
{
  if (value.empty() || value=="UNCHANGED")
  {
    return IPCOLOURSPACE_UNCHANGED;
  }
  if (bIsForward)
  {
    if (value=="YCbCrtoYYY")
    {
      return IPCOLOURSPACE_YCbCrtoYYY;
    }
    if (value=="YCbCrtoYCrCb")
    {
      return IPCOLOURSPACE_YCbCrtoYCrCb;
    }
    if (value=="RGBtoGBR")
    {
      return IPCOLOURSPACE_RGBtoGBR;
    }
  }
  else
  {
    if (value=="YCrCbtoYCbCr")
    {
      return IPCOLOURSPACE_YCbCrtoYCrCb;
    }
    if (value=="GBRtoRGB")
    {
      return IPCOLOURSPACE_RGBtoGBR;
    }
  }
  return NUMBER_INPUT_COLOUR_SPACE_CONVERSIONS;
}

std::string getListOfColourSpaceConverts(const bool bIsForward)
{
  if (bIsForward)
  {
    return "UNCHANGED, YCbCrtoYCrCb, YCbCrtoYYY or RGBtoGBR";
  }
  else
  {
    return "UNCHANGED, YCrCbtoYCbCr or GBRtoRGB";
  }
}


//----------------------------------------------------------------------------------------------------------------------