Mercurial > hg > libxtract
changeset 57:184798bc9660
Added xtract_macros_private.h
| author | Jamie Bullock <jamie@postlude.co.uk> |
|---|---|
| date | Mon, 29 Jan 2007 12:34:50 +0000 |
| parents | 450712b21565 |
| children | 3936f8492cab |
| files | src/xtract_macros_private.h |
| diffstat | 1 files changed, 56 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/xtract_macros_private.h Mon Jan 29 12:34:50 2007 +0000 @@ -0,0 +1,56 @@ +/* libxtract feature extraction library + * + * Copyright (C) 2006 Jamie Bullock + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +/** \file xtract_macros_private.h: defines useful internal macros */ + +#ifndef XTRACT_MACROS_PRIVATE_H +#define XTRACT_MACROS_PRIVATE_H + +#include <stdio.h> + +#define XTRACT_SQ(a) ((a) * (a)) +#define XTRACT_MIN(a, b) ((a) < (b) ? (a) : (b)) +#define XTRACT_MAX(a, b) ((a) > (b) ? (a) : (b)) +#define XTRACT_NEEDS_FFTW printf("LibXtract must be compiled with fftw support to use this function.\n") +#define XTRACT_VERY_SMALL_NUMBER 2e-42 +#define XTRACT_LOG_LIMIT XTRACT_VERY_SMALL_NUMBER +#define XTRACT_LOG_LIMIT_DB -96 +#define XTRACT_DB_SCALE_OFFSET 96 +#define XTRACT_VERY_BIG_NUMBER 2e42 +#define XTRACT_SR_UPPER_LIMIT 192000 +#define XTRACT_SR_LOWER_LIMIT 22050 +#define XTRACT_SR_DEFAULT 44100 +#define XTRACT_FUNDAMENTAL_DEFAULT 440 +#define XTRACT_CHECK_nyquist if(!nyquist) nyquist = XTRACT_SR_DEFAULT / 2 +#define XTRACT_CHECK_q if(!q) q = XTRACT_SR_DEFAULT / N +#define XTRACT_SR_LIMIT SR_UPPER_LIMIT +#define XTRACT_FFT_BANDS_MIN 16 +#define XTRACT_FFT_BANDS_MAX 65536 +#define XTRACT_FFT_BANDS_DEF 1024 +#define XTRACT_SPEC_BW_MIN 0.168 /* Minimum spectral bandwidth \ + (= SR_LOWER_LIMIT / FFT_BANDS_MAX*/ +#define XTRACT_SPEC_BW_MAX 12000 /* SR_UPPER_LIMIT / FFT_BANDS_MIN */ +#define XTRACT_SPEC_BW_DEF 43.066 /* SR_DEFAULT / FFT_BANDS_DEF */ + +#ifdef __cplusplus +} +#endif + +#endif