int LibRaw::dcraw_process(void)
{
  int quality,i;

  int iterations=-1, dcb_enhance=1, noiserd=0;
  int eeci_refine_fl=0, es_med_passes_fl=0;
  float cared=0,cablue=0;
  float linenoise=0;
  float lclean=0,cclean=0;
  float thresh=0;
  float preser=0;
  float expos=1.0;


  CHECK_ORDER_LOW(LIBRAW_PROGRESS_LOAD_RAW);
  //    CHECK_ORDER_HIGH(LIBRAW_PROGRESS_PRE_INTERPOLATE);

  try {

    int no_crop = 1;

    if (~O.cropbox[2] && ~O.cropbox[3])
      no_crop=0;

    libraw_decoder_info_t di;
    get_decoder_info(&di);

    bool is_bayer = (imgdata.idata.filters || P1.colors == 1);
    int subtract_inline = !O.bad_pixels && !O.dark_frame && !O.wf_debanding && is_bayer && !IO.zero_is_bad;

    raw2image_ex(subtract_inline); // allocate imgdata.image and copy data!

    // Adjust sizes

    int save_4color = O.four_color_rgb;

    if (IO.zero_is_bad)
      {
        remove_zeroes();
        SET_PROC_FLAG(LIBRAW_PROGRESS_REMOVE_ZEROES);
      }

    if(O.bad_pixels && no_crop)
      {
        bad_pixels(O.bad_pixels);
        SET_PROC_FLAG(LIBRAW_PROGRESS_BAD_PIXELS);
      }

    if (O.dark_frame && no_crop)
      {
        subtract (O.dark_frame);
        SET_PROC_FLAG(LIBRAW_PROGRESS_DARK_FRAME);
      }

    if (O.wf_debanding)
      {
        wf_remove_banding();
      }

    quality = 2 + !IO.fuji_width;

    if (O.user_qual >= 0) quality = O.user_qual;

    if(!subtract_inline || !C.data_maximum)
      {
        adjust_bl();
        subtract_black_internal();
      }

	if(!(di.decoder_flags & LIBRAW_DECODER_FIXEDMAXC))
		adjust_maximum();

    if (O.user_sat > 0) C.maximum = O.user_sat;

    if (P1.is_foveon)
      {
        if(load_raw == &LibRaw::x3f_load_raw)
          {
            // Filter out zeroes
            for (int i=0; i < S.height*S.width*4; i++)
              if ((short) imgdata.image[0][i] < 0) imgdata.image[0][i] = 0;
          }
#ifdef LIBRAW_DEMOSAIC_PACK_GPL2
        else if(load_raw == &LibRaw::foveon_dp_load_raw)
          {
            for (int i=0; i < S.height*S.width*4; i++)
              if ((short) imgdata.image[0][i] < 0) imgdata.image[0][i] = 0;
          }
        else
          {
            foveon_interpolate();
          }
#endif
        SET_PROC_FLAG(LIBRAW_PROGRESS_FOVEON_INTERPOLATE);
      }

    if (O.green_matching && !O.half_size)
      {
        green_matching();
      }

    if (
#ifdef LIBRAW_DEMOSAIC_PACK_GPL2
        (!P1.is_foveon || (O.raw_processing_options & LIBRAW_PROCESSING_FORCE_FOVEON_X3F)) &&
#endif
        !O.no_auto_scale)
      {
        scale_colors();
        SET_PROC_FLAG(LIBRAW_PROGRESS_SCALE_COLORS);
      }

    pre_interpolate();

    SET_PROC_FLAG(LIBRAW_PROGRESS_PRE_INTERPOLATE);

    if (O.dcb_iterations >= 0) iterations = O.dcb_iterations;
    if (O.dcb_enhance_fl >=0 ) dcb_enhance = O.dcb_enhance_fl;
    if (O.fbdd_noiserd >=0 ) noiserd = O.fbdd_noiserd;
    if (O.eeci_refine >=0 ) eeci_refine_fl = O.eeci_refine;
    if (O.es_med_passes >0 ) es_med_passes_fl = O.es_med_passes;

    // LIBRAW_DEMOSAIC_PACK_GPL3

    if (!O.half_size && O.cfa_green >0) {thresh=O.green_thresh ;green_equilibrate(thresh);}
    if (O.exp_correc >0) {expos=O.exp_shift ; preser=O.exp_preser; exp_bef(expos,preser);}
    if (O.ca_correc >0 ) {cablue=O.cablue; cared=O.cared; CA_correct_RT(cablue, cared);}
    if (O.cfaline >0 ) {linenoise=O.linenoise; cfa_linedn(linenoise);}
    if (O.cfa_clean >0 ) {lclean=O.lclean; cclean=O.cclean; cfa_impulse_gauss(lclean,cclean);}

    if (P1.filters  && !O.no_interpolation)
      {
        if (noiserd>0 && P1.colors==3 && P1.filters) fbdd(noiserd);

		if(P1.filters>1000 && interpolate_bayer)
			(this->*interpolate_bayer)();
		else if(P1.filters==9 && interpolate_xtrans)
			(this->*interpolate_xtrans)();
        else if (quality == 0)
          lin_interpolate();
        else if (quality == 1 || P1.colors > 3)
          vng_interpolate();
        else if (quality == 2 && P1.filters > 1000)
          ppg_interpolate();
        else if (P1.filters == LIBRAW_XTRANS)
          {
            // Fuji X-Trans
            xtrans_interpolate(quality>2?3:1);
          }
        else if (quality == 3)
          ahd_interpolate(); // really don't need it here due to fallback op
        else if (quality == 4)
          dcb(iterations, dcb_enhance);
        //  LIBRAW_DEMOSAIC_PACK_GPL2
        else if (quality == 5)
          ahd_interpolate_mod();
        else if (quality == 6)
          afd_interpolate_pl(2,1);
        else if (quality == 7)
          vcd_interpolate(0);
        else if (quality == 8)
          vcd_interpolate(12);
        else if (quality == 9)
          lmmse_interpolate(1);

        // LIBRAW_DEMOSAIC_PACK_GPL3
        else if (quality == 10)
          amaze_demosaic_RT();
        // LGPL2
        else if (quality == 11)
          dht_interpolate();
        else if (quality == 12)
          aahd_interpolate();
        // fallback to AHD
        else
          {
            ahd_interpolate();
            imgdata.process_warnings |= LIBRAW_WARN_FALLBACK_TO_AHD;
          }


        SET_PROC_FLAG(LIBRAW_PROGRESS_INTERPOLATE);
      }
    if (IO.mix_green)
      {
        for (P1.colors=3, i=0; i < S.height * S.width; i++)
          imgdata.image[i][1] = (imgdata.image[i][1] + imgdata.image[i][3]) >> 1;
        SET_PROC_FLAG(LIBRAW_PROGRESS_MIX_GREEN);
      }

    if(!P1.is_foveon)
      {
        if (P1.colors == 3)
          {

            if (quality == 8)
              {
                if (eeci_refine_fl == 1) refinement();
                if (O.med_passes > 0)    median_filter_new();
                if (es_med_passes_fl > 0) es_median_filter();
              }
            else {
              median_filter();
            }
            SET_PROC_FLAG(LIBRAW_PROGRESS_MEDIAN_FILTER);
          }
      }

    if (O.highlight == 2)
      {
        blend_highlights();
        SET_PROC_FLAG(LIBRAW_PROGRESS_HIGHLIGHTS);
      }

    if (O.highlight > 2)
      {
        recover_highlights();
        SET_PROC_FLAG(LIBRAW_PROGRESS_HIGHLIGHTS);
      }

    if (O.use_fuji_rotate)
      {
        fuji_rotate();
        SET_PROC_FLAG(LIBRAW_PROGRESS_FUJI_ROTATE);
      }

    if(!libraw_internal_data.output_data.histogram)
      {
        libraw_internal_data.output_data.histogram = (int (*)[LIBRAW_HISTOGRAM_SIZE]) malloc(sizeof(*libraw_internal_data.output_data.histogram)*4);
        merror(libraw_internal_data.output_data.histogram,"LibRaw::dcraw_process()");
      }
#ifndef NO_LCMS
    if(O.camera_profile)
      {
        apply_profile(O.camera_profile,O.output_profile);
        SET_PROC_FLAG(LIBRAW_PROGRESS_APPLY_PROFILE);
      }
#endif

    convert_to_rgb();
    SET_PROC_FLAG(LIBRAW_PROGRESS_CONVERT_RGB);

    if (O.use_fuji_rotate)
      {
        stretch();
        SET_PROC_FLAG(LIBRAW_PROGRESS_STRETCH);
      }
    O.four_color_rgb = save_4color; // also, restore

    return 0;
  }
  catch ( LibRaw_exceptions err) {
    EXCEPTION_HANDLER(err);
  }
}