streamconnector.h

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/*
 * Copyright (C) 2006-2021  Music Technology Group - Universitat Pompeu Fabra
 *
 * This file is part of Essentia
 *
 * Essentia is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation (FSF), either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the Affero GNU General Public License
 * version 3 along with this program.  If not, see http://www.gnu.org/licenses/
 */
 
#ifndef ESSENTIA_STREAMCONNECTOR_H
#define ESSENTIA_STREAMCONNECTOR_H
 
 
namespace essentia {
namespace streaming {
 
class StreamConnector {
 public:
 
  StreamConnector() : _acquireSize(0), _releaseSize(0) {}
 
  virtual ~StreamConnector() {}
 
  virtual int available() const = 0;
 
  inline bool acquire() { return acquire(_acquireSize); }
 
  virtual bool acquire(int n) = 0;
 
  inline void release() { release(_releaseSize); }
 
  virtual void release(int n) = 0;
 
  virtual int acquireSize() const { return _acquireSize; }
 
  virtual int releaseSize() const { return _releaseSize; }
 
  virtual void setAcquireSize(int n) { _acquireSize = n; }
 
  virtual void setReleaseSize(int n) { _releaseSize = n; }
 
  virtual void reset() = 0;
 
 protected:
  int _acquireSize;
  int _releaseSize;
};
 
} // namespace streaming
} // namespace essentia
 
#endif // ESSENTIA_STREAMCONNECTOR_H