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Diffstat (limited to 'media/pocketsphinx/src/fsg_search_internal.h')
| -rw-r--r-- | media/pocketsphinx/src/fsg_search_internal.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/media/pocketsphinx/src/fsg_search_internal.h b/media/pocketsphinx/src/fsg_search_internal.h deleted file mode 100644 index 15324daf7a..0000000000 --- a/media/pocketsphinx/src/fsg_search_internal.h +++ /dev/null @@ -1,149 +0,0 @@ -/* -*- c-basic-offset:4; indent-tabs-mode: nil -*- */ -/* ==================================================================== - * Copyright (c) 1999-2004 Carnegie Mellon University. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * - * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND - * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY - * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * ==================================================================== - * - */ - -/* - * fsg_search_internal.h -- Search structures for FSG decoding. - */ - - -#ifndef __S2_FSG_SEARCH_H__ -#define __S2_FSG_SEARCH_H__ - - -/* SphinxBase headers. */ -#include <sphinxbase/glist.h> -#include <sphinxbase/cmd_ln.h> -#include <sphinxbase/fsg_model.h> - -/* Local headers. */ -#include "pocketsphinx_internal.h" -#include "hmm.h" -#include "fsg_history.h" -#include "fsg_lextree.h" - -/** - * Segmentation "iterator" for FSG history. - */ -typedef struct fsg_seg_s { - ps_seg_t base; /**< Base structure. */ - fsg_hist_entry_t **hist; /**< Sequence of history entries. */ - int16 n_hist; /**< Number of history entries. */ - int16 cur; /**< Current position in hist. */ -} fsg_seg_t; - -/** - * Implementation of FSG search (and "FSG set") structure. - */ -typedef struct fsg_search_s { - ps_search_t base; - - hmm_context_t *hmmctx; /**< HMM context. */ - char const *arpafile; - cmd_ln_t *config; - fsg_model_t *fsg; /**< FSG model */ - struct fsg_lextree_s *lextree;/**< Lextree structure for the currently - active FSG */ - struct fsg_history_s *history;/**< For storing the Viterbi search history */ - - glist_t pnode_active; /**< Those active in this frame */ - glist_t pnode_active_next; /**< Those activated for the next frame */ - - int32 beam_orig; /**< Global pruning threshold */ - int32 pbeam_orig; /**< Pruning threshold for phone transition */ - int32 wbeam_orig; /**< Pruning threshold for word exit */ - float32 beam_factor; /**< Dynamic/adaptive factor (<=1) applied to above - beams to determine actual effective beams. - For implementing absolute pruning. */ - int32 beam, pbeam, wbeam; /**< Effective beams after applying beam_factor */ - int32 lw, pip, wip; /**< Language weights */ - - frame_idx_t frame; /**< Current frame. */ - uint8 final; /**< Decoding is finished for this utterance. */ - uint8 bestpath; /**< Whether to run bestpath search - and confidence annotation at end. */ - float32 ascale; /**< Acoustic score scale for posterior probabilities. */ - - int32 bestscore; /**< For beam pruning */ - int32 bpidx_start; /**< First history entry index this frame */ - - int32 ascr, lscr; /**< Total acoustic and lm score for utt */ - - int32 n_hmm_eval; /**< Total HMMs evaluated this utt */ - int32 n_sen_eval; /**< Total senones evaluated this utt */ -} fsg_search_t; - -/* Access macros */ -#define fsg_search_frame(s) ((s)->frame) - -/** - * Create, initialize and return a search module. - */ -ps_search_t *fsg_search_init(fsg_model_t *fsg, - cmd_ln_t *config, - acmod_t *acmod, - dict_t *dict, - dict2pid_t *d2p); - -/** - * Deallocate search structure. - */ -void fsg_search_free(ps_search_t *search); - -/** - * Update FSG search module for new or updated FSGs. - */ -int fsg_search_reinit(ps_search_t *fsgs, dict_t *dict, dict2pid_t *d2p); - -/** - * Prepare the FSG search structure for beginning decoding of the next - * utterance. - */ -int fsg_search_start(ps_search_t *search); - -/** - * Step one frame forward through the Viterbi search. - */ -int fsg_search_step(ps_search_t *search, int frame_idx); - -/** - * Windup and clean the FSG search structure after utterance. - */ -int fsg_search_finish(ps_search_t *search); - -/** - * Get hypothesis string from the FSG search. - */ -char const *fsg_search_hyp(ps_search_t *search, int32 *out_score, int32 *out_is_final); - -#endif |