/*  This file is part of YUView - The YUV player with advanced analytics toolset
 *   <https://github.com/IENT/YUView>
 *   Copyright (C) 2015  Institut f�r Nachrichtentechnik, RWTH Aachen University, GERMANY
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   In addition, as a special exception, the copyright holders give
 *   permission to link the code of portions of this program with the
 *   OpenSSL library under certain conditions as described in each
 *   individual source file, and distribute linked combinations including
 *   the two.
 *
 *   You must obey the GNU General Public License in all respects for all
 *   of the code used other than OpenSSL. If you modify file(s) with this
 *   exception, you may extend this exception to your version of the
 *   file(s), but you are not obligated to do so. If you do not wish to do
 *   so, delete this exception statement from your version. If you delete
 *   this exception statement from all source files in the program, then
 *   also delete it here.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "hrd_parameters.h"

#include <common/Typedef.h>
#include <parser/common/Functions.h>

namespace parser::avc

{
using namespace reader;

void hrd_parameters::parse(reader::SubByteReaderLogging &reader)
{
  SubByteReaderLoggingSubLevel subLevel(reader, "hrd_parameters()");

  this->cpb_cnt_minus1 = reader.readUEV("cpb_cnt_minus1", Options().withCheckRange({0, 31}));
  this->bit_rate_scale = reader.readBits("bit_rate_scale", 4);
  this->cpb_size_scale = reader.readBits("cpb_size_scale", 4);
  for (unsigned int SchedSelIdx = 0; SchedSelIdx <= this->cpb_cnt_minus1; SchedSelIdx++)
  {
    auto val_max = 4294967294u; // 2^32-2
    this->bit_rate_value_minus1.push_back(reader.readUEV(
        formatArray("bit_rate_value_minus1", SchedSelIdx), Options().withCheckRange({0, val_max})));
    this->cpb_size_value_minus1.push_back(reader.readUEV(
        formatArray("cpb_size_value_minus1", SchedSelIdx), Options().withCheckRange({0, val_max})));
    this->cbr_flag.push_back(reader.readFlag(formatArray("cbr_flag", SchedSelIdx)));
    {
      auto value = (this->bit_rate_value_minus1[SchedSelIdx] + 1) *
                   (uint64_t(1) << (6 + this->bit_rate_scale));
      this->BitRate.push_back(value);
      reader.logCalculatedValue(formatArray("BitRate", SchedSelIdx), this->BitRate[SchedSelIdx]);
    }
    {
      auto value =
          (this->cpb_size_value_minus1[SchedSelIdx] + 1) * (uint64_t(1) << (4 + cpb_size_scale));
      this->CpbSize.push_back(value);
      reader.logCalculatedValue(formatArray("CpbSize", SchedSelIdx), this->CpbSize[SchedSelIdx]);
    }
  }
  this->initial_cpb_removal_delay_length_minus1 =
      reader.readBits("initial_cpb_removal_delay_length_minus1", 5);
  this->cpb_removal_delay_length_minus1 = reader.readBits("cpb_removal_delay_length_minus1", 5);
  this->dpb_output_delay_length_minus1  = reader.readBits("dpb_output_delay_length_minus1", 5);
  this->time_offset_length              = reader.readBits("time_offset_length", 5);
}

} // namespace parser::avc