s2_semi_mgau.h
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00042 #ifndef __S2_SEMI_MGAU_H__
00043 #define __S2_SEMI_MGAU_H__
00044
00045 #include <logmath.h>
00046 #include "s3types.h"
00047 #include "fe.h"
00048 #include "ascr.h"
00049 #include "fast_algo_struct.h"
00050 #include "kdtree.h"
00051
00052
00053 #ifdef __cplusplus
00054 extern "C" {
00055 #endif
00056 #if 0
00057
00058 }
00059 #endif
00060
00061 #define S2_NUM_ALPHABET 256
00062 #define S2_NUM_FEATURES 4
00063 #define S2_MAX_TOPN 6
00064
00065 typedef struct {
00066 union {
00067 int32 score;
00068 int32 dist;
00069 } val;
00070 int32 codeword;
00071 } vqFeature_t;
00072 typedef vqFeature_t *vqFrame_t;
00073
00074 typedef float32 mean_t;
00075 typedef float32 var_t;
00076 #define GMMSUB(a,b) ((a)-(b))
00077 #define GMMADD(a,b) ((a)+(b))
00078
00079 typedef struct s2_semi_mgau_s s2_semi_mgau_t;
00080 struct s2_semi_mgau_s {
00081 logmath_t *logmath;
00082 int32 detArr[S2_NUM_FEATURES*S2_NUM_ALPHABET];
00083 int32 *dets[S2_NUM_FEATURES];
00084 mean_t *means[S2_NUM_FEATURES];
00085 var_t *vars[S2_NUM_FEATURES];
00086
00087 unsigned char **OPDF_8B[4];
00088
00089 int32 topN;
00090 int32 CdWdPDFMod;
00091
00092 kd_tree_t **kdtrees;
00093 uint32 n_kdtrees;
00094 uint32 kd_maxdepth;
00095 int32 kd_maxbbi;
00096 float64 dcep80msWeight;
00097 int32 use20ms_diff_pow;
00098
00099 int32 num_frames;
00100 int32 frame_ds_ratio;
00101
00102 vqFeature_t f[S2_NUM_FEATURES][S2_MAX_TOPN];
00103 vqFeature_t lcfrm[S2_MAX_TOPN];
00104 vqFeature_t ldfrm[S2_MAX_TOPN];
00105 vqFeature_t lxfrm[S2_MAX_TOPN];
00106 vqFeature_t vtmp;
00107 };
00108
00109 s2_semi_mgau_t *s2_semi_mgau_init(const char *mean_path, const char *var_path,
00110 float64 varfloor, const char *mixw_path,
00111 float64 mixwfloor, int32 topn, logmath_t *logmath);
00112
00113 void s2_semi_mgau_free(s2_semi_mgau_t *s);
00114
00115 S3DECODER_EXPORT
00116 int32 s2_semi_mgau_frame_eval(s2_semi_mgau_t *s,
00117 ascr_t *ascr,
00118 fast_gmm_t *fgmm,
00119 mfcc_t **feat,
00120 int32 frame);
00121
00122 int32 s2_semi_mgau_load_kdtree(s2_semi_mgau_t *s, const char *kdtree_path,
00123 uint32 maxdepth, int32 maxbbi);
00124
00125 #ifdef __cplusplus
00126 }
00127 #endif
00128
00129
00130 #endif