FIFOSampleBuffer.h

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//
// Last changed  : $Date: 2006-05-23 13:40:36 -0400 (Tue, 23 May 2006) $
// File revision : $Revision: 9996 $
//
// $Id: FIFOSampleBuffer.h 9996 2006-05-23 17:40:36Z danielk $
//
//
// License :
//
//  SoundTouch audio processing library
//  Copyright (c) Olli Parviainen
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#ifndef FIFOSampleBuffer_H
#define FIFOSampleBuffer_H

#include "FIFOSamplePipe.h"

namespace soundtouch
{

class FIFOSampleBuffer : public FIFOSamplePipe
{
private:
    SAMPLETYPE *buffer;

    // Raw unaligned buffer memory. 'buffer' is made aligned by pointing it to first
    // 16-byte aligned location of this buffer
    SAMPLETYPE *bufferUnaligned;

    uint sizeInBytes;

    uint samplesInBuffer;

    uint channels;

    uint bufferPos;

    void rewind();

    void ensureCapacity(const uint capacityRequirement);

    uint getCapacity() const;
 
public:

    FIFOSampleBuffer(uint numChannels = 2     

                     );

    ~FIFOSampleBuffer();

    virtual SAMPLETYPE *ptrBegin() const;

    SAMPLETYPE *ptrEnd(
                uint slackCapacity   



                );

    virtual void putSamples(const SAMPLETYPE *samples,  
                            uint numSamples                         
                            );

    virtual void putSamples(uint numSamples   
                            );

    virtual uint receiveSamples(SAMPLETYPE *output, 
                                uint maxSamples                 
                                );

    virtual uint receiveSamples(uint maxSamples   
                                );

    virtual uint numSamples() const;

    void setChannels(uint numChannels);

    virtual int isEmpty() const;

    virtual void clear();
};

}

#endif

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