annotate src/Modules/Output/FileOutputJSON.h @ 611:0fbaf443ec82

Carfac C++ revision 3, indluding more style improvements. The output structs are now classes again, and have separate storage methods for each output structure along with flags in the Run and RunSegment methods to allow for only storing NAPs if desired.

// 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_