phone_loop_search.h

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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
 * Copyright (c) 2008 Carnegie Mellon University.  All rights
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 * This work was supported in part by funding from the Defense Advanced 
 * Research Projects Agency and the National Science Foundation of the 
 * United States of America, and the CMU Sphinx Speech Consortium.
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#ifndef __PHONE_LOOP_SEARCH_H__
#define __PHONE_LOOP_SEARCH_H__

/* SphinxBase headers. */
#include <sphinxbase/cmd_ln.h>
#include <sphinxbase/logmath.h>
#include <sphinxbase/ngram_model.h>
#include <sphinxbase/listelem_alloc.h>

/* Local headers. */
#include "pocketsphinx_internal.h"
#include "hmm.h"

struct phone_loop_renorm_s {
    int frame_idx;  
    int32 norm;     
};
typedef struct phone_loop_renorm_s phone_loop_renorm_t;

struct phone_loop_search_s {
    ps_search_t base;                  
    hmm_t *hmms;                       
    hmm_context_t *hmmctx;             
    int16 frame;                       
    int16 n_phones;                    
    int32 **pen_buf;                
    int16 pen_buf_ptr;                 
    int32 *penalties;                  
    float64 penalty_weight;            
    int32 best_score;                  
    int32 beam;                        
    int32 pbeam;                       
    int32 pip;                         
    int window;                        
    glist_t renorm;                    
};
typedef struct phone_loop_search_s phone_loop_search_t;

ps_search_t *phone_loop_search_init(cmd_ln_t *config,
                                    acmod_t *acmod,
                                    dict_t *dict);

#define phone_loop_search_score(pls,ci) \
    ((pls == NULL) ? 0 : (pls->penalties[ci]))

#endif /* __PHONE_LOOP_SEARCH_H__ */