/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            audiobackend.h
 *
 *  Wed Sep 24 07:46:35 CEST 2014
 *  Copyright 2014 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of SimpleRTP.
 *
 *  SimpleRTP is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  SimpleRTP 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 GNU General Public License
 *  along with SimpleRTP; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef __SIMPLERTP_AUDIOBACKEND_H__
#define __SIMPLERTP_AUDIOBACKEND_H__

#include <stdlib.h>

class AudioBackend {
public:
  AudioBackend() {}
  virtual ~AudioBackend() {}

  virtual int read(char *pcm, size_t maxsize) = 0;
  virtual int write(const char *pcm, size_t size) = 0;

  /**
   * Reimplement to use other buffersize
   */
  virtual int getBufferSize() { return 1024; } 
};

// Declared in audiobackend.cc
extern AudioBackend *g_audiobackend;

#endif/*__SIMPLERTP_AUDIOBACKEND_H__*/