/usr/include/SndObj/SndPVOCEX.h is in libsndobj-dev 2.6.6.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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////////////////////////////////////////////////////////////////////////
// This file is part of the SndObj library
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Copyright (c)Victor Lazzarini, 1997-2004
// See License.txt for a disclaimer of all warranties
// and licensing information
#ifndef _SNDPVOCEX_H
#define _SNDPVOCEX_H
#include "SndWaveX.h"
struct pvoc_data {
short wWordFormat; /* IEEE_FLOAT or IEEE_DOUBLE */
short wAnalFormat; /*PVOC_AMP_FREQ, PVOC_AMP_PHASE, PVOC_COMPLEX */
short wSourceFormat; /* WAVE_FORMAT_PCM or WAVE_FORMAT_IEEE_FLOAT*/
short wWindowType; /* defines the standard analysis window used, or a custom window */
int nAnalysisBins; /* number of analysis channels. The FFT window size is derived from this */
int dwWinlen; /* analysis window length, in samples */
int dwOverlap; /* window overlap length in samples (decimation) */
int dwFrameAlign; /* usually nAnalysisBins * 2 * sizeof(float) */
float fAnalysisRate; /* sample rate / Overlap */
float fWindowParam; /* parameter associated with some window types: default 0.0f unless needed */
};
struct pvocex{
int dwVersion; /* initial version is 1*/
int dwDataSize; /* sizeof PVOCDATA data block */
pvoc_data data; /* 32 byte block */
};
enum pvoc_datatype {IEEE_FLOAT_T, IEEE_DOUBLE_T};
enum pvoc_frametype {PVOC_AMP_FREQ=0, PVOC_AMP_PHASE,PVOC_COMPLEX};
enum pvoc_windowtype {DEFAULT=0,
HAMMING,
HANNING,
KAISER,
RECTANGULAR,
CUSTOM
};
struct WAVEFORMATPVOCEX {
wave_head waveformatex;
wav_ex waveformat_ext;
pvocex pvocformat_ext;
};
const GUID KSDATAFORMAT_SUBTYPE_PVOC = {
0x8312b9c2,
0x2e6e,
0x11d4,
{ 0xa8, 0x24, 0xde, 0x5b, 0x96, 0xc3, 0xab, 0x21 }
};
class SndPVOCEX : public SndWaveX {
protected:
pvocex m_pvheader;
int m_hopsize;
bool m_ispvocex;
public:
SndPVOCEX(char* name, short mode = OVERWRITE, int analformat=PVOC_AMP_FREQ, int windowtype=HANNING,
short channels=1, int channelmask=0, short bits=32, int format=PCM,
SndObj** inputlist=0, float framepos= 0.f, int hopsize = DEF_VECSIZE,
int fftsize = DEF_FFTSIZE, float sr = DEF_SR);
~SndPVOCEX();
int GetFFTSize(){ return (m_pvheader.data.nAnalysisBins-1)*2;}
int GetHopSize(){ return m_pvheader.data.dwOverlap; }
int GetWindowType() { return m_pvheader.data.wWindowType; }
int GetWindowLength() { return m_pvheader.data.dwWinlen; }
void GetHeader(WAVEFORMATPVOCEX* pheader);
void SetTimePos(float pos);
short Read();
short Write();
bool IsPvocex(){ return m_ispvocex; }
};
#endif
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