tomwalters@275: // Copyright 2006-2010, Willem van Engen, Thomas Walters
tomwalters@275: //
tomwalters@275: // AIM-C: A C++ implementation of the Auditory Image Model
tomwalters@275: // http://www.acousticscale.org/AIMC
tomwalters@275: //
tomwalters@318: // Licensed under the Apache License, Version 2.0 (the "License");
tomwalters@318: // you may not use this file except in compliance with the License.
tomwalters@318: // You may obtain a copy of the License at
tomwalters@275: //
tomwalters@318: //     http://www.apache.org/licenses/LICENSE-2.0
tomwalters@275: //
tomwalters@318: // Unless required by applicable law or agreed to in writing, software
tomwalters@318: // distributed under the License is distributed on an "AS IS" BASIS,
tomwalters@318: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
tomwalters@318: // See the License for the specific language governing permissions and
tomwalters@318: // limitations under the License.
tomwalters@275: 
tomwalters@275: /*! \file
tomwalters@275:  *  \brief Audio file input
tomwalters@275:  *
tomwalters@275:  *  \author Willem van Engen <cnbh@willem.engen.nl>
tomwalters@275:  *  \author Thomas Walters <tom@acousticscale.org>
tomwalters@275:  *  \date created 2006/09/21
tomwalters@275:  *  \version \$Id$
tomwalters@275:  */
tomwalters@275: 
tomwalters@283: #ifndef AIMC_MODULES_INPUT_FILEINPUT_H_
tomwalters@283: #define AIMC_MODULES_INPUT_FILEINPUT_H_
tomwalters@275: 
tomwalters@275: #include <sndfile.h>
tomwalters@275: 
tomwalters@275: #include "Support/Module.h"
tomwalters@275: #include "Support/Parameters.h"
tomwalters@275: #include "Support/SignalBank.h"
tomwalters@275: 
tomwalters@275: namespace aimc {
tomwalters@275: class ModuleFileInput : public Module {
tomwalters@275:  public:
tomwalters@280:   explicit ModuleFileInput(Parameters *pParam);
tomwalters@279:   virtual ~ModuleFileInput();
tomwalters@275: 
tomwalters@275:   virtual void Process(const SignalBank &input);
tomwalters@275: 
tomwalters@275:  private:
tomwalters@280:   /*! \brief Prepare the module
tomwalters@280:    *  \param input Input SignalBank
tomwalters@280:    *  \param output true on success false on failure
tomwalters@280:    */
tomwalters@275:   virtual bool InitializeInternal(const SignalBank &input);
tomwalters@275: 
tomwalters@280:   /*! \brief Rewind to the start of the file
tomwalters@280:    */
tomwalters@275:   virtual void ResetInternal();
tomwalters@275: 
tomwalters@280:   /*! \brief File descriptor
tomwalters@280:    */
tomwalters@279:   SNDFILE *file_handle_;
tomwalters@275: 
tomwalters@280:   /*! \brief Current position in time of the file
tomwalters@280:    */
tomwalters@275:   int file_position_samples_;
tomwalters@275:   bool file_loaded_;
tomwalters@275:   int audio_channels_;
tomwalters@275:   int buffer_length_;
tomwalters@275:   float sample_rate_;
tomwalters@275: };
tomwalters@275: }  // namespace aimc
tomwalters@275: 
tomwalters@283: #endif  // AIMC_MODULES_INPUT_FILEINPUT_H_