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// pvocheader.h
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
// The Cmusic and Cmix software packages generate phase vocoder analysis files
// with headers which are identical to the "Hybrid" sound file header. The
// method redefined below is checkHeader(), since pvoc parameters are different
// from sounds. The peak and comment methods are nonfunctional since those
// features are not supported in the file format. See soundheader.h for more
// information.
#ifndef PVOCHEADER_H
#ifdef __GNUG__
#pragma interface
#endif
#define PVOCHEADER_H
#include "soundheader.h"
class PvocHeader : public HybridHeader {
typedef HybridHeader Super;
public:
PvocHeader(int chans, int rate);
PvocHeader();
virtual ~PvocHeader() {}
double frameRate() { return sampleRate(); }
protected:
redefined int checkHeader();
redefined int extractPeak(const char *) { return 1; }
redefined int extractComment(const char *) { return 1; }
redefined int loadPeak(const char *) { return 1; }
redefined int loadComment(const char *) { return 1; }
class PvocConfigRequester : public Header::ConfigRequester {
typedef Header::ConfigRequester Super;
public:
PvocConfigRequester(Header* header);
protected:
redefined void configureRequest(Request *);
redefined boolean confirmValues();
private:
unsigned short freqBands;
};
// friend boolean PvocConfigRequester::configureRequest(Request *);
// friend boolean PvocConfigRequester::confirmValues();
friend class PvocConfigRequester; // previous lines cause compiler crash
redefined const char* magicError();
public:
redefined Requester* configRequester() {
return new PvocConfigRequester(this);
}
};
#endif
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