/*------------------------------------------------------------------------------
--                                                                            --
--       This software is confidential and proprietary and may be used        --
--        only as expressly authorized by a licensing agreement from          --
--                                                                            --
--                            Hantro Products Oy.                             --
--                                                                            --
--                   (C) COPYRIGHT 2006 HANTRO PRODUCTS OY                    --
--                            ALL RIGHTS RESERVED                             --
--                                                                            --
--                 The entire notice above must be reproduced                 --
--                  on all copies and should not be removed.                  --
--                                                                            --
--------------------------------------------------------------------------------
*/

#include "vp8macroblocktools.h"
#include "vp8quanttable.h"

void InitQuantTables(vp8Instance_s* mbs) {
  int32_t i, j, tmp;
  qp* qp;

  for (i = 0; i < QINDEX_RANGE; i++) {
    /* Quant table for 1'st order luminance */
    qp = &mbs->qpY1[i];
    for (j = 0; j < 2; j++) {
      if (j == 0) {
        tmp = DcQLookup[i];
      } else {
        tmp = AcQLookup[i];
      }
      qp->quant[j] = MIN((1 << 16) / tmp, 0x3FFF);
      qp->zbin[j] = ((QZbinFactors[i] * tmp) + 64) >> 7;
      qp->round[j] = (QRoundingFactors[i] * tmp) >> 7;
      qp->dequant[j] = tmp;
    }

    /* Quant table for 2'st order luminance */
    qp = &mbs->qpY2[i];
    for (j = 0; j < 2; j++) {
      if (j == 0) {
        tmp = DcQLookup[i] * 2;
      } else {
        tmp = AcQLookup[i];
        tmp = (tmp * 155) / 100;
        if (tmp < 8) tmp = 8;
      }
      qp->quant[j] = MIN((1 << 16) / tmp, 0x3FFF);
      qp->zbin[j] = ((QZbinFactors[i] * tmp) + 64) >> 7;
      qp->round[j] = (QRoundingFactors[i] * tmp) >> 7;
      qp->dequant[j] = tmp;
    }

    /* Quant table for chrominance */
    qp = &mbs->qpCh[i];
    for (j = 0; j < 2; j++) {
      if (j == 0) {
        tmp = DcQLookup[i];
        if (tmp > 132) tmp = 132;
      } else {
        tmp = AcQLookup[i];
      }
      qp->quant[j] = MIN((1 << 16) / tmp, 0x3FFF);
      qp->zbin[j] = ((QZbinFactors[i] * tmp) + 64) >> 7;
      qp->round[j] = (QRoundingFactors[i] * tmp) >> 7;
      qp->dequant[j] = tmp;
    }
  }
}