ojph_codestream.cpp

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//***************************************************************************/
// This software is released under the 2-Clause BSD license, included
// below.
//
// Copyright (c) 2019, Aous Naman
// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
// Copyright (c) 2019, The University of New South Wales, Australia
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 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 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//***************************************************************************/
// This file is part of the OpenJPH software implementation.
// File: ojph_codestream.cpp
// Author: Aous Naman
// Date: 28 August 2019
//***************************************************************************/
 
 
#include <climits>
#include <cmath>
 
#include "ojph_mem.h"
#include "ojph_params.h"
#include "ojph_codestream.h"
#include "ojph_codestream_local.h"
 
namespace ojph {

  //
  //
  //
  //
  //

  codestream::~codestream()
  {
    if (state)
      delete state;
    state = NULL;
  }

  codestream::codestream()
  {
    state = new local::codestream;
  }

  void codestream::restart()
  {
    assert(state != NULL);
    state->restart();
  }

  param_siz codestream::access_siz()
  {
    return param_siz(&state->siz);
  }

  param_cod codestream::access_cod()
  {
    return param_cod(&state->cod);
  }

  param_qcd codestream::access_qcd()
  {
    return param_qcd(&state->qcd);
  }

  param_nlt codestream::access_nlt()
  {
    return param_nlt(&state->nlt);
  }

  void codestream::set_planar(bool planar)
  {
    state->set_planar(planar ? 1 : 0);
  }

  void codestream::set_profile(const char *s)
  {
    state->set_profile(s);
  }

  void codestream::set_tilepart_divisions(bool at_resolutions,
                                          bool at_components)
  {
    ui32 value = 0;
    if (at_resolutions)
      value |= OJPH_TILEPART_RESOLUTIONS;
    if (at_components)
      value |= OJPH_TILEPART_COMPONENTS;
    state->set_tilepart_divisions(value);
  }

  bool codestream::is_tilepart_division_at_resolutions()
  {
    ui32 res = state->get_tilepart_div() & OJPH_TILEPART_RESOLUTIONS;
    return res ? true : false;
  }

  bool codestream::is_tilepart_division_at_components()
  {
    ui32 comp = state->get_tilepart_div() & OJPH_TILEPART_COMPONENTS;
    return comp ? true : false;
  }

  void codestream::request_tlm_marker(bool needed)
  {
    state->request_tlm_marker(needed);
  }

  bool codestream::is_tlm_requested()
  {
    return state->is_tlm_needed();
  }

  bool codestream::is_planar() const
  {
    return state->is_planar();
  }

  void codestream::write_headers(outfile_base *file,
                                 const comment_exchange* comments,
                                 ui32 num_comments)
  {
    state->write_headers(file, comments, num_comments);
  }

  void codestream::enable_resilience()
  {
    state->enable_resilience();
  }

  void codestream::read_headers(infile_base *file)
  {
    state->read_headers(file);
  }

  void codestream::restrict_input_resolution(ui32 skipped_res_for_read,
                                             ui32 skipped_res_for_recon)
  {
    state->restrict_input_resolution(skipped_res_for_read,
      skipped_res_for_recon);
  }

  void codestream::create()
  {
    state->read();
  }

  line_buf* codestream::pull(ui32 &comp_num)
  {
    return state->pull(comp_num);
  }
 

  void codestream::flush()
  {
    state->flush();
  }

  void codestream::close()
  {
    state->close();
  }

  line_buf* codestream::exchange(line_buf* line, ui32& next_component)
  {
    return state->exchange(line, next_component);
  }
 
}