Added xtract_macros_private.h

1 files changed, 56 insertions, 0 deletions

diff --git a/src/xtract_macros_private.h b/src/xtract_macros_private.h
new file mode 100644
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+++ b/src/xtract_macros_private.h
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+/* 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