sness@607: // Copyright 2006-2010, Thomas Walters, Willem van Engen
sness@607: //
sness@607: // AIM-C: A C++ implementation of the Auditory Image Model
sness@607: // http://www.acousticscale.org/AIMC
sness@607: //
sness@607: // Licensed under the Apache License, Version 2.0 (the "License");
sness@607: // you may not use this file except in compliance with the License.
sness@607: // You may obtain a copy of the License at
sness@607: //
sness@607: //     http://www.apache.org/licenses/LICENSE-2.0
sness@607: //
sness@607: // Unless required by applicable law or agreed to in writing, software
sness@607: // distributed under the License is distributed on an "AS IS" BASIS,
sness@607: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sness@607: // See the License for the specific language governing permissions and
sness@607: // limitations under the License.
sness@607: 
sness@607: /*!
sness@607:  * \file
sness@607:  * \brief File output to JSON format
sness@607:  *
sness@607:  * \author Thomas Walters <tom@acousticscale.org>
sness@607:  * \author Willem van Engen <cnbh@willem.engen.nl>
sness@607:  * \date created 2006/10/30
sness@607:  * \version \$Header$
sness@607:  */
sness@607: 
sness@607: #ifndef AIMC_MODULES_OUTPUT_JSON_H_
sness@607: #define AIMC_MODULES_OUTPUT_JSON_H_
sness@607: 
sness@607: #include <string>
sness@607: #include <iostream>
sness@607: #include <fstream>
sness@607: 
sness@607: // using namespace std;
sness@607: 
sness@607: #include "Support/Module.h"
sness@607: #include "Support/SignalBank.h"
sness@607: 
sness@607: namespace aimc {
sness@607: class FileOutputJSON : public Module {
sness@607:  public:
sness@607:   /*! \brief Create a new file output for an JSON format file.
sness@607:    */
sness@607:   explicit FileOutputJSON(Parameters *pParam);
sness@607:   ~FileOutputJSON();
sness@607:   virtual void Process(const SignalBank &input);
sness@607:  private:
sness@607:  /*! \brief Initialize the output to JSON.
sness@607:    *  \param *filename Filename of the ouptut file to be created.
sness@607:    *  If the file exists it will be overwritten
sness@607:    *  \return Returns true on success of initialization.
sness@607:    */
sness@607:   bool OpenFile(string &filename);
sness@607:   bool CloseFile();
sness@607:   bool OpenStrobesFile(string &filename);
sness@607:   bool CloseStrobesFile();
sness@607:   
sness@607:   virtual bool InitializeInternal(const SignalBank &input);
sness@607:   virtual void ResetInternal();
sness@607: 
sness@607:   void WriteHeader();
sness@607: 
sness@607:   /*! \brief Whether initialization is done or not
sness@607:    */
sness@607:   bool header_written_;
sness@607: 
sness@607:   /*! \brief Internal pointer to the output file
sness@607:    */
sness@607:   // FILE *file_handle_;
sness@607:   // FILE *strobes_file_handle_;
sness@607:   std::ofstream file_handle_;
sness@607: 
sness@607:   /*! \brief Count of the number of samples in the file, written on close
sness@607:    */
sness@607:   int frame_count_;
sness@607: 
sness@607:   int channel_count_;
sness@607:   int buffer_length_;
sness@607:   float sample_rate_;  
sness@607:   float frame_period_ms_;
sness@607:   string file_suffix_;
sness@607:   bool dump_strobes_;
sness@607:   string strobes_file_suffix_;
sness@607: };
sness@607: }  // namespace aimc
sness@607: 
sness@607: #endif  // AIMC_MODULES_OUTPUT_JSON_H_
sness@607: