root/libde265-1.0.3/libde265/encoder/algo/ctb-qscale.cc

DEFINITIONS

1. analyze

/*
 * H.265 video codec.
 * Copyright (c) 2013-2014 struktur AG, Dirk Farin <farin@struktur.de>
 *
 * Authors: struktur AG, Dirk Farin <farin@struktur.de>
 *
 * This file is part of libde265.
 *
 * libde265 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * libde265 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libde265.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "libde265/encoder/algo/ctb-qscale.h"
#include "libde265/encoder/encoder-context.h"
#include <assert.h>
#include <limits>
#include <math.h>


#define ENCODER_DEVELOPMENT 1


enc_cb* Algo_CTB_QScale_Constant::analyze(encoder_context* ectx,
                                          context_model_table& ctxModel,
                                          int x,int y)
{
  enc_cb* cb = new enc_cb();

  cb->log2Size = ectx->get_sps().Log2CtbSizeY;
  cb->ctDepth = 0;
  cb->x = x;
  cb->y = y;
  cb->downPtr = ectx->ctbs.getCTBRootPointer(x,y);
  *cb->downPtr = cb;

  cb->qp = ectx->active_qp;

  // write currently unused coding options
  cb->cu_transquant_bypass_flag = false;
  cb->pcm_flag = false;

  assert(mChildAlgo);
  descend(cb, "Q=%d",ectx->active_qp);
  enc_cb* result_cb = mChildAlgo->analyze(ectx,ctxModel,cb);
  ascend();

  *cb->downPtr = result_cb;

  return result_cb;
}