comparison xtract/libxtract.h @ 108:e6354b0137d3

- PD example brought in line with new delta features and subframe function
- subframe-test.pd added
- fix to a_blockswap~.pd

   *
   * Defines a very simple API that provides access to the functions in the library
   * @{
   */
 
-#define XTRACT_FEATURES 58
+#define XTRACT_FEATURES 59
     
 /** \brief Enumeration of features, elements are used as indixes to an array of pointers to feature extracton functions */
 enum xtract_features_ {
     XTRACT_MEAN,
     XTRACT_VARIANCE,

 };
 
 /** \brief Enumeration of feature initialisation functions */
 enum xtract_feature_init_ {
     XTRACT_INIT_MFCC = 100,
-    XTRACT_INIT_BARK
+    XTRACT_INIT_BARK,
+    XTRACT_INIT_WINDOWED
 };
 
 /** \brief Enumeration of feature types */
 enum xtract_feature_types_ {
     XTRACT_SCALAR,

     XTRACT_EQUAL_GAIN,
     XTRACT_EQUAL_AREA
 };
 
 enum xtract_lnorm_filter_types_ {
+    XTRACT_NO_LNORM_FILTER,
     XTRACT_POSITIVE_SLOPE,
     XTRACT_NEGATIVE_SLOPE
 };
 
 /** \brief Enumeration of return codes */

     XTRACT_AUDIO_SAMPLES,
     XTRACT_MEL_COEFFS, 
     XTRACT_LPC_COEFFS, 
     XTRACT_LPCC_COEFFS, 
     XTRACT_BARK_COEFFS,
+    XTRACT_SUBFRAMES,
     XTRACT_NO_DATA
 } xtract_vector_t;
 
 /** \brief Data structure containing useful information about functions provided by LibXtract. */
 typedef struct _xtract_function_descriptor {

 	xtract_unit_t unit[XTRACT_MAXARGS];
 	int donor[XTRACT_MAXARGS]; /* suggested donor functions for argv */
     } argv;
 
     xtract_bool_t is_scalar;
+    xtract_bool_t is_delta; /* features in xtract_delta.h can be scalar or vector */ 
 
     /* The result.<> entries in descritors.c need to be checked */
     union {
 
 	struct {