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/*************************************************************************
SampleDecoderLinear.h - decoder for all non-compressed linear formats
-------------------
begin : Sat Nov 01 2003
copyright : (C) 2003 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_DECODER_LINEAR_H
#define SAMPLE_DECODER_LINEAR_H
#include "SampleDecoder.h"
#include "config.h"
#include "libkwave/ByteOrder.h"
#include "libkwave/SampleFormat.h"
namespace Kwave
{
class SampleDecoderLinear: public Kwave::SampleDecoder
{
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
*/
SampleDecoderLinear(Kwave::SampleFormat::Format sample_format,
unsigned int bits_per_sample,
Kwave::byte_order_t endianness);
/** Destructor */
~SampleDecoderLinear() override;
/**
* Decodes the given buffer (byte array) by splitting it into
* it's tracks, decoding all samples and writing the result to
* the corresponding Writers.
* @param raw_data array with raw undecoded audio data
* @param decoded array with decoded samples
*/
virtual void decode(QByteArray &raw_data,
Kwave::SampleArray &decoded) override;
/** Returns the number of bytes per sample in raw (not encoded) form */
unsigned int rawBytesPerSample() override;
private:
/** number of bytes per raw sample */
unsigned int m_bytes_per_sample;
/** optimized function used for decoding the given format */
void(*m_decoder)(const quint8 *, sample_t*, unsigned int);
};
}
#endif /* SAMPLE_DECODER_LINEAR_H */
//***************************************************************************
//***************************************************************************
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