annotate src/Modules/Output/FileOutputJSON.h @ 639:7c3671f98280

Update build to work with older versions of gcc (4.6).

Also includes some minor cosmetic whitespace changes to the C++ source.

// Copyright 2006-2010, Thomas Walters, Willem van Engen
//
// AIM-C: A C++ implementation of the Auditory Image Model
// http://www.acousticscale.org/AIMC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/*!
 * \file
 * \brief File output to JSON format
 *
 * \author Thomas Walters <[e-mail]>
 * \author Willem van Engen <[e-mail]>
 * \date created 2006/10/30
 * \version \$Header$
 */

#ifndef AIMC_MODULES_OUTPUT_JSON_H_
#define AIMC_MODULES_OUTPUT_JSON_H_

#include <string>
#include <iostream>
#include <fstream>

// using namespace std;

#include "Support/Module.h"
#include "Support/SignalBank.h"

namespace aimc {
class FileOutputJSON : public Module {
 public:
  /*! \brief Create a new file output for an JSON format file.
   */
  explicit FileOutputJSON(Parameters *pParam);
  ~FileOutputJSON();
  virtual void Process(const SignalBank &input);
 private:
 /*! \brief Initialize the output to JSON.
   *  \param *filename Filename of the ouptut file to be created.
   *  If the file exists it will be overwritten
   *  \return Returns true on success of initialization.
   */
  bool OpenFile(string &filename);
  bool CloseFile();
  bool OpenStrobesFile(string &filename);
  bool CloseStrobesFile();
  
  virtual bool InitializeInternal(const SignalBank &input);
  virtual void ResetInternal();

  void WriteHeader();

  /*! \brief Whether initialization is done or not
   */
  bool header_written_;

  /*! \brief Internal pointer to the output file
   */
  // FILE *file_handle_;
  // FILE *strobes_file_handle_;
  std::ofstream file_handle_;

  /*! \brief Count of the number of samples in the file, written on close
   */
  int frame_count_;

  int channel_count_;
  int buffer_length_;
  float sample_rate_;  
  float frame_period_ms_;
  string file_suffix_;
  bool dump_strobes_;
  string strobes_file_suffix_;
};
}  // namespace aimc

#endif  // AIMC_MODULES_OUTPUT_JSON_H_