tomwalters@320: // Copyright 2006-2010, Thomas Walters, Willem van Engen
tomwalters@320: //
tomwalters@320: // AIM-C: A C++ implementation of the Auditory Image Model
tomwalters@320: // http://www.acousticscale.org/AIMC
tomwalters@320: //
tomwalters@320: // Licensed under the Apache License, Version 2.0 (the "License");
tomwalters@320: // you may not use this file except in compliance with the License.
tomwalters@320: // You may obtain a copy of the License at
tomwalters@320: //
tomwalters@320: //     http://www.apache.org/licenses/LICENSE-2.0
tomwalters@320: //
tomwalters@320: // Unless required by applicable law or agreed to in writing, software
tomwalters@320: // distributed under the License is distributed on an "AS IS" BASIS,
tomwalters@320: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
tomwalters@320: // See the License for the specific language governing permissions and
tomwalters@320: // limitations under the License.
tomwalters@320: 
tomwalters@320: /*!
tomwalters@320:  * \file
tomwalters@320:  * \brief File output to AIMC format
tomwalters@320:  *
tomwalters@320:  * \author Thomas Walters <tom@acousticscale.org>
tomwalters@320:  * \author Willem van Engen <cnbh@willem.engen.nl>
tomwalters@320:  * \date created 2006/10/30
tomwalters@320:  * \version \$Header$
tomwalters@320:  */
tomwalters@320: 
tomwalters@320: #ifndef AIMC_MODULES_OUTPUT_AIMC_H_
tomwalters@320: #define AIMC_MODULES_OUTPUT_AIMC_H_
tomwalters@320: 
tomwalters@320: #include "Support/Module.h"
tomwalters@320: #include "Support/SignalBank.h"
tomwalters@320: 
tomwalters@320: namespace aimc {
tomwalters@320: class FileOutputAIMC : public Module {
tomwalters@320:  public:
tomwalters@320:   /*! \brief Create a new file output for an AIMC format file.
tomwalters@320:    */
tomwalters@320:   explicit FileOutputAIMC(Parameters *pParam);
tomwalters@320:   ~FileOutputAIMC();
tomwalters@320: 
tomwalters@320:   /*! \brief Initialize the output to AIMC.
tomwalters@320:    *  \param *filename Filename of the ouptut file to be created.
tomwalters@320:    *  If the file exists it will be overwritten
tomwalters@320:    *  \return Returns true on success of initialization.
tomwalters@320:    */
tomwalters@320:   bool OpenFile(const char *filename, float frame_period_ms);
tomwalters@320:   bool CloseFile();
tomwalters@320:   virtual void Process(const SignalBank &input);
tomwalters@320:  private:
tomwalters@320:   virtual bool InitializeInternal(const SignalBank &input);
tomwalters@320:   virtual void ResetInternal();
tomwalters@320: 
tomwalters@320:   void WriteHeader();
tomwalters@320: 
tomwalters@320:   /*! \brief Whether initialization is done or not
tomwalters@320:    */
tomwalters@320:   bool header_written_;
tomwalters@320: 
tomwalters@320:   /*! \brief Internal pointer to the output file
tomwalters@320:    */
tomwalters@320:   FILE *file_handle_;
tomwalters@320: 
tomwalters@320:   /*! \brief Count of the number of samples in the file, written on close
tomwalters@320:    */
tomwalters@320:   int sample_count_;
tomwalters@320: 
tomwalters@320:   int channel_count_;
tomwalters@320:   int buffer_length_;
tomwalters@320:   float sample_rate_;	
tomwalters@320:   float frame_period_ms_;
tomwalters@320: };
tomwalters@320: }  // namespace aimc
tomwalters@320: 
tomwalters@320: #endif  // AIMC_MODULES_OUTPUT_AIMC_H_
tomwalters@320: