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/*************************************************************************
SampleEncoderLinear.h - encoder for all non-compressed linear formats
-------------------
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_LINEAR_H
#define SAMPLE_ENCODER_LINEAR_H
#include "config.h"
#include "libkwave_export.h"
#include <QtGlobal>
#include "libkwave/ByteOrder.h"
#include "libkwave/SampleEncoder.h"
#include "libkwave/SampleFormat.h"
namespace Kwave
{
class LIBKWAVE_EXPORT SampleEncoderLinear: public Kwave::SampleEncoder
{
public:
/**
* Constructor
* @param sample_format index of the sample format (signed/unsigned)
* @param bits_per_sample number of bits per sample in the raw data
* @param endianness either SOURCE_LITTLE_ENDIAN or SOURCE_BIG_ENDIAN
*/
SampleEncoderLinear(Kwave::SampleFormat::Format sample_format,
unsigned int bits_per_sample,
Kwave::byte_order_t endianness);
/** Destructor */
~SampleEncoderLinear() override;
/**
* 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 Kwave::SampleArray &samples,
unsigned int count,
QByteArray &raw_data) override;
/** Returns the number of bytes per sample in raw (encoded) form */
unsigned int rawBytesPerSample() override;
private:
/** number of bytes per raw sample */
unsigned int m_bytes_per_sample;
/** optimized function used for encoding the given format */
void (*m_encoder)(const sample_t *, quint8 *, unsigned int);
};
}
#endif /* SAMPLE_ENCODER_LINEAR_H */
//***************************************************************************
//***************************************************************************
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