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/*
3Dug.h:
Copyright (C) 1995, 2001 Eli Breder, David McIntyre
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
*/
#ifndef _3DUG_H_
#define _3DUG_H_
#define SAMP_RATE 44100 /* sampling rate of HRTFs */
#define FILT_LEN 128L
#define FILT_LENm1 (FILT_LEN-1)
#define BUF_LEN (FILT_LEN*2)
#define BLOCK_SIZE 1024
#define MIN_ELEV -40
#define MAX_ELEV 90
#define ELEV_INC 10
#define N_ELEV (((MAX_ELEV - MIN_ELEV) / ELEV_INC) + 1)
#define MIN_AZIM -180
#define MAX_AZIM 180
/*
* This array gives the total number of azimuths measured
* per elevation, and hence the AZIMUTH INCREMENT. Note that
* only azimuths up to and including 180 degrees actually
* exist in file system (because the data is symmetrical.
*/
/* int32_t elevation_data[N_ELEV] = {56, 60, 72, 72, 72, 72, 72, 60, 56, 45, */
/* 36, 24, 12, 1 }; */
typedef struct {
MYFLT left[256]; /* left and right will hold FFTed values of HRTFs */
MYFLT right[256];
} HRTF_DATUM;
#endif
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