86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/*
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abstract definition of an audio frame
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Copyright (C) 2001 Martin Vogt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation.
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For more information look at the file License.txt in this package
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*/
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#ifndef __AUDIOFRAME_H
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#define __AUDIOFRAME_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef WORDS_BIGENDIAN
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#define AUDIOFRAME_BIGENDIAN 1
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#else
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#define AUDIOFRAME_BIGENDIAN 0
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#endif
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#include "frame.h"
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#define SCALFACTOR SHRT_MAX
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#define MP3FRAMESIZE (2*2*2*32*18)
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class AudioFrame : public Frame {
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int stereo;
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int frequencyHZ;
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public:
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AudioFrame();
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virtual ~AudioFrame();
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// info about "import" data
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void setFrameFormat(int stereo,int freq);
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inline int getStereo() { return stereo; }
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inline int getFrequenceHZ() { return frequencyHZ; }
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// these return values depend on the implementation
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// how the data is stored internally after "import"
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inline int getSampleSize() { return sampleSize; }
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inline int getBigEndian() { return lBigEndian; }
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inline int getSigned() { return lSigned; }
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// info about output
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virtual int getLen();
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virtual void setLen(int len);
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virtual int getSize();
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virtual void clearrawdata();
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// data import
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virtual void putFloatData(float* data,int len);
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virtual void putFloatData(float* left,float* right,int len);
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virtual void putInt16Data(short* pdata,int nLength);
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virtual void putSilence(int nLength);
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int isFormatEqual(AudioFrame* compare);
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// Note: this can only be called with _real_ AudioFrame's as dest
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void copyFormat(AudioFrame* dest);
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void print(const char* msg);
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protected:
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int sampleSize;
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int lBigEndian;
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int lSigned;
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};
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#endif
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