ngram_search_fwdflat.c File Reference

Flat lexicon search. More...

#include <string.h>
#include <assert.h>
#include <sphinxbase/ckd_alloc.h>
#include <sphinxbase/listelem_alloc.h>
#include <sphinxbase/err.h>
#include "ngram_search.h"
#include "ps_lattice_internal.h"

Go to the source code of this file.

Macros
#define	__CHAN_DUMP__   0
#define	chan_v_eval(chan)   hmm_vit_eval(&(chan)->hmm)

Functions
void	ngram_fwdflat_init (ngram_search_t *ngs)
	Initialize N-Gram search for fwdflat decoding.
void	ngram_fwdflat_deinit (ngram_search_t *ngs)
	Release memory associated with fwdflat decoding.
int	ngram_fwdflat_reinit (ngram_search_t *ngs)
	Rebuild search structures for updated language models.
void	ngram_fwdflat_start (ngram_search_t *ngs)
	Start fwdflat decoding for an utterance.
int	ngram_fwdflat_search (ngram_search_t *ngs, int frame_idx)
	Search one frame forward in an utterance.
void	ngram_fwdflat_finish (ngram_search_t *ngs)
	Finish fwdflat decoding for an utterance.

Detailed Description

Flat lexicon search.

Definition in file ngram_search_fwdflat.c.

Macro Definition Documentation

__CHAN_DUMP__

#define __CHAN_DUMP__   0

Definition at line 56 of file ngram_search_fwdflat.c.

chan_v_eval

#define chan_v_eval

(

chan

)

hmm_vit_eval(&(chan)->hmm)

Definition at line 60 of file ngram_search_fwdflat.c.

Function Documentation

ngram_fwdflat_deinit()

void ngram_fwdflat_deinit

(

ngram_search_t *

ngs

)

Release memory associated with fwdflat decoding.

Definition at line 169 of file ngram_search_fwdflat.c.

References ngram_search_s::frm_wordlist, and ngram_search_s::fwdflat_wordlist.

Referenced by ngram_search_free().

ngram_fwdflat_finish()

void ngram_fwdflat_finish

(

ngram_search_t *

ngs

)

Finish fwdflat decoding for an utterance.

Definition at line 929 of file ngram_search_fwdflat.c.

References ngram_search_mark_bptable(), ngram_search_s::st, and ngram_search_s::word_active.

ngram_fwdflat_init()

void ngram_fwdflat_init

(

ngram_search_t *

ngs

)

Initialize N-Gram search for fwdflat decoding.

Definition at line 145 of file ngram_search_fwdflat.c.

References ngram_search_s::frm_wordlist, ngram_search_s::fwdflat_wordlist, and ngram_search_s::n_frame_alloc.

Referenced by ngram_search_init().

ngram_fwdflat_reinit()

int ngram_fwdflat_reinit

(

ngram_search_t *

ngs

)

Rebuild search structures for updated language models.

Definition at line 192 of file ngram_search_fwdflat.c.

References dict_size, ngram_search_s::fwdflat_wordlist, and ngram_search_s::word_chan.

ngram_fwdflat_search()

int ngram_fwdflat_search	(	ngram_search_t *	ngs,
		int	frame_idx
	)

Search one frame forward in an utterance.

Definition at line 816 of file ngram_search_fwdflat.c.

References acmod_score(), ngram_search_s::active_word_list, ngram_search_s::best_score, ngram_search_s::fwdflat_wordlist, hmm_context_set_senscore, ngram_search_s::hmmctx, ngram_search_s::n_active_word, ngram_search_s::n_frame, ngram_search_mark_bptable(), ngram_search_s::st, ngram_search_s::word_active, WORSE_THAN, and WORST_SCORE.

ngram_fwdflat_start()

void ngram_fwdflat_start

(

ngram_search_t *

ngs

)

Start fwdflat decoding for an utterance.

Definition at line 374 of file ngram_search_fwdflat.c.

References ngram_search_s::active_word_list, ngram_search_s::best_score, root_chan_s::hmm, ngram_search_s::n_1ph_words, ngram_search_s::n_active_word, ngram_search_s::n_frame, ngram_search_s::single_phone_wid, ngram_search_s::st, and ngram_search_s::word_chan.