Changeset fdf39ba for src/mfcc.h

Timestamp:

Sep 7, 2007, 10:49:45 AM (17 years ago)

Author:

Amaury Hazan <mahmoudax@gmail.com>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

8708556

Parents:

97886fa (diff), 7c6c806d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

merged from mtg

File:

• src/mfcc.h (modified) (3 diffs)

src/mfcc.h

@@ -24 +24 @@
 #define MFCC_H 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "filterbank.h"
 
-//libXtract enums
+//libXtract constants and enums
 // TODO: remove them 
+
+#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 -96.0
+#define XTRACT_DB_SCALE_OFFSET 96.0
+#define XTRACT_VERY_BIG_NUMBER 2e42
+#define XTRACT_SR_UPPER_LIMIT 192000.0
+#define XTRACT_SR_LOWER_LIMIT 22050.0
+#define XTRACT_SR_DEFAULT 44100.0
+#define XTRACT_FUNDAMENTAL_DEFAULT 440.0
+#define XTRACT_CHECK_nyquist if(!nyquist) nyquist = XTRACT_SR_DEFAULT / 2
+#define XTRACT_CHECK_q if(!q) q = XTRACT_SR_DEFAULT / N
+#define XTRACT_IS_ODD(x) (x % 2 != 0 ? 1 : 0) 
+#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 12000.0 /* SR_UPPER_LIMIT / FFT_BANDS_MIN */
+#define XTRACT_SPEC_BW_DEF 43.066 /* SR_DEFAULT / FFT_BANDS_DEF */
 
 /** \brief Enumeration of feature initialisation functions */
@@ -132 +161 @@
  * The data structure pointed to by *argv must be obtained by first calling xtract_init_mfcc
  */
-int aubio_mfcc_do(const float *data, const int N, const void *argv, float *result);
+
+
+int aubio_mfcc_do(const float *data, const int N, const void *argv, float *result, aubio_mfft_t *fft_dct, cvec_t *fftgrain_dct);
 
 /** \brief Extract the Discrete Cosine transform of a time domain signal
@@ -140 +171 @@
  * \param *result: a pointer to an array containing resultant dct coefficients
  */
-int aubio_dct_do(const float *data, const int N, const void *argv, float *result);
+int aubio_dct_do(const float *data, const int N, const void *argv, float *result, aubio_mfft_t *fft_dct, cvec_t *fftgrain_dct);
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif