audioqualityinterface.h

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// ##########################################################################
// ####                                                                  ####
// ####                      RTP Audio Server Project                    ####
// ####                    ============================                  ####
// ####                                                                  ####
// #### Audio Quality Interface                                          ####
// ####                                                                  ####
// ####           Copyright (C) 1999-2012 by Thomas Dreibholz            ####
// ####                                                                  ####
// #### Contact:                                                         ####
// ####    EMail: dreibh@iem.uni-due.de                                  ####
// ####    WWW:   https://www.nntb.no/~dreibh/rtpaudio                ####
// ####                                                                  ####
// #### ---------------------------------------------------------------- ####
// ####                                                                  ####
// #### This program 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 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 GNU General Public        ####
// #### License along with this program.  If not, see                    ####
// #### <http://www.gnu.org/licenses/>.                                  ####
// ####                                                                  ####
// ##########################################################################
// $Id: audioqualityinterface.h 1290 2011-12-19 11:09:27Z dreibh $


#ifndef AUDIOQUALITYINTERFACE_H
#define AUDIOQUALITYINTERFACE_H


#include "tdsystem.h"


class AudioQualityInterface
{
   // ====== Getting values =================================================
   public:
   virtual card16 getSamplingRate() const = 0;

   virtual card8 getBits() const = 0;

   virtual card8 getChannels() const = 0;


   virtual card16 getByteOrder() const = 0;


   // ====== Calculating bandwidth settings =================================
   virtual cardinal getBytesPerSecond() const = 0;

   virtual cardinal getBitsPerSample() const = 0;


   // ====== Comparision operators ==========================================
   inline int operator==(const AudioQualityInterface& quality) const;

   inline int operator!=(const AudioQualityInterface& quality) const;

   inline int operator<=(const AudioQualityInterface& quality) const;

   inline int operator<(const AudioQualityInterface& quality) const;

   inline int operator>=(const AudioQualityInterface& quality) const;

   inline int operator>(const AudioQualityInterface& quality) const;
};


class AdjustableAudioQualityInterface : virtual public AudioQualityInterface
{
   public:
   virtual card16 setSamplingRate(const card16 samplingRate) = 0;

   virtual card8 setBits(const card8 bits) = 0;

   virtual card8 setChannels(const card8 channels) = 0;


   virtual card16 setByteOrder(const card16 byteOrder) = 0;


   inline void setQuality(const AudioQualityInterface& quality);
};


#include "audioqualityinterface.icc"


#endif