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/*
abstract definition of an audio frame
Copyright (C) 2001 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifndef __AUDIOFRAME_H
#define __AUDIOFRAME_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef WORDS_BIGENDIAN
#define AUDIOFRAME_BIGENDIAN 1
#else
#define AUDIOFRAME_BIGENDIAN 0
#endif
#include "frame.h"
#include <kdemacros.h>
#define SCALFACTOR SHRT_MAX
#define MP3FRAMESIZE (2*2*2*32*18)
class TDE_EXPORT AudioFrame : public Frame {
int stereo;
int frequencyHZ;
public:
AudioFrame();
virtual ~AudioFrame();
// info about "import" data
void setFrameFormat(int stereo,int freq);
inline int getStereo() { return stereo; }
inline int getFrequenceHZ() { return frequencyHZ; }
// these return values depend on the implementation
// how the data is stored internally after "import"
inline int getSampleSize() { return sampleSize; }
inline int getBigEndian() { return lBigEndian; }
inline int getSigned() { return lSigned; }
// info about output
virtual int getLen();
virtual void setLen(int len);
virtual int getSize();
virtual void clearrawdata();
// data import
virtual void putFloatData(float* data,int len);
virtual void putFloatData(float* left,float* right,int len);
int isFormatEqual(AudioFrame* compare);
// Note: this can only be called with _real_ AudioFrame's as dest
void copyFormat(AudioFrame* dest);
void print(const char* msg);
protected:
int sampleSize;
int lBigEndian;
int lSigned;
};
#endif
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