/*************************************************************************
        SampleEncoder.h  -  encoder for converting samples to raw data
                             -------------------
    begin                : Tue Apr 18 2006
    copyright            : (C) 2006 by Thomas Eschenbacher
    email                : Thomas.Eschenbacher@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef _SAMPLE_ENCODER_H_
#define _SAMPLE_ENCODER_H_

#include "config.h"
#include <qcstring.h> // for QByteArray
#include <qmemarray.h>

#include "libkwave/Sample.h"

class SampleEncoder
{
public:
    /** Constructor */
    SampleEncoder() {};

    /** Destructor */
    virtual ~SampleEncoder() {};

    /**
     * Encodes a buffer with samples into a buffer with raw data.
     * @param samples array with samples
     * @param count number of samples
     * @param raw_data array with raw encoded audio data
     */
    virtual void encode(const QMemArray<sample_t> &samples,
                        unsigned int count,
                        QByteArray &raw_data) = 0;

    /** Returns the number of bytes per sample in raw (not encoded) form */
    virtual unsigned int rawBytesPerSample() = 0;

};

#endif /* _SAMPLE_ENCODER_H_ */
