/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.   
 *
 * Copyright (c) 2010-2011, ITU/ISO/IEC
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * 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.
 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 */

/** \file     TAppDecCfg.cpp
    \brief    Decoder configuration class
*/

#include <cstring>
#include <string>
#include "TAppDecCfg.h"
#include "../../App/TAppCommon/program_options_lite.h"

#ifdef WIN32
#define strdup _strdup
#endif

using namespace std;
namespace po = df::program_options_lite;

// ====================================================================================================================
// Public member functions
// ====================================================================================================================

/** \param argc number of arguments
    \param argv array of arguments
 */
Bool TAppDecCfg::parseCfg( Int argc, Char* argv[] )
{
  bool do_help = false;
  string cfg_BitstreamFile;
  string cfg_ReconFile;

  po::Options opts;
  opts.addOptions()
  ("help", do_help, false, "this help text")
  ("BitstreamFile,b", cfg_BitstreamFile, string(""), "bitstream input file name")
  ("ReconFile,o",     cfg_ReconFile,     string(""), "reconstructed YUV output file name\n"
                                                     "YUV writing is skipped if omitted")
#if DCM_SKIP_DECODING_FRAMES
  ("SkipFrames,s", m_iSkipFrame, 0, "number of frames to skip before random access")
#endif
  ("OutputBitDepth,d", m_outputBitDepth, 0u, "bit depth of YUV output file (use 0 for native depth)")
  ;

  po::setDefaults(opts);
  po::scanArgv(opts, argc, (const char**) argv);

  if (argc == 1 || do_help)
  {
    po::doHelp(cout, opts);
    return false;
  }

  /* convert std::string to c string for compatability */
  m_pchBitstreamFile = cfg_BitstreamFile.empty() ? NULL : strdup(cfg_BitstreamFile.c_str());
  m_pchReconFile = cfg_ReconFile.empty() ? NULL : strdup(cfg_ReconFile.c_str());

  return true;
}