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/*
pvinterp.h:
Copyright (C) 1996 Richard Karpen
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* PVINTERP.H */
typedef struct {
OPDS h;
MYFLT *ktimpnt, *ifilno;
int32 maxFr, frSiz, prFlg;
/* base Frame (in frameData0) and maximum frame on file, ptr to fr, size */
MYFLT frPktim, frPrtim, asr, scale;
float *frPtr;
AUXCH auxch;
MYFLT *lastPhase, *fftBuf; /* [PVFFTSIZE] FFT works on Real & Imag */
MYFLT *buf;
} PVBUFREAD;
typedef struct {
OPDS h;
MYFLT *rslt, *ktimpnt, *kfmod, *ifilno,
*kfreqscale1, *kfreqscale2, *kampscale1, *kampscale2,
*kfreqinterp, *kampinterp;
int32 kcnt;
int32 baseFr, maxFr, frSiz, prFlg, opBpos;
/* base Frame (in frameData0) and maximum frame on file, ptr to fr, size */
MYFLT frPktim, frPrtim, asr, scale, lastPex;
float *frPtr;
/* asr is analysis sample rate */
/* fft frames per k-time (equals phase change expansion factor) */
AUXCH auxch; /* manage AUXDS for the following 5 buffer spaces */
MYFLT *lastPhase; /* [PVDATASIZE] Keep track of cum. phase */
MYFLT *fftBuf; /* [PVFFTSIZE] FFT works on Real & Imag */
MYFLT *dsBuf; /* [PVFFTSIZE] Output of downsampling may be 2x */
MYFLT *outBuf; /* [PVFFTSIZE] Output buffer over win length */
MYFLT *window; /* [PVWINLEN] Store 1/2 window */
PVBUFREAD *pvbufread;
PVOC_GLOBALS *pp;
} PVINTERP;
typedef struct {
OPDS h;
MYFLT *rslt, *ktimpnt, *kfmod, *ifilno,
*kampscale1, *kampscale2, *ispecwp;
int32 kcnt;
int32 baseFr, maxFr, frSiz, prFlg, opBpos;
/* base Frame (in frameData0) and maximum frame on file, ptr to fr, size */
MYFLT frPktim, frPrtim, asr, scale, lastPex;
float *frPtr;
/* asr is analysis sample rate */
/* fft frames per k-time (equals phase change expansion factor) */
AUXCH auxch; /* manage AUXDS for the following 5 buffer spaces */
MYFLT *lastPhase; /* [PVDATASIZE] Keep track of cum. phase */
MYFLT *fftBuf; /* [PVFFTSIZE] FFT works on Real & Imag */
MYFLT *dsBuf; /* [PVFFTSIZE] Output of downsampling may be 2x */
MYFLT *outBuf; /* [PVFFTSIZE] Output buffer over win length */
MYFLT *window; /* [PVWINLEN] Store 1/2 window */
PVBUFREAD *pvbufread;
PVOC_GLOBALS *pp;
AUXCH memenv;
} PVCROSS;
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