1/*---------------------------------------------------------------------------*
2 *  word_lattice.h  *
3 *                                                                           *
4 *  Copyright 2007, 2008 Nuance Communciations, Inc.                               *
5 *                                                                           *
6 *  Licensed under the Apache License, Version 2.0 (the 'License');          *
7 *  you may not use this file except in compliance with the License.         *
8 *                                                                           *
9 *  You may obtain a copy of the License at                                  *
10 *      http://www.apache.org/licenses/LICENSE-2.0                           *
11 *                                                                           *
12 *  Unless required by applicable law or agreed to in writing, software      *
13 *  distributed under the License is distributed on an 'AS IS' BASIS,        *
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
15 *  See the License for the specific language governing permissions and      *
16 *  limitations under the License.                                           *
17 *                                                                           *
18 *---------------------------------------------------------------------------*/
19
20#ifndef WORD_LATTICE_H
21#define WORD_LATTICE_H
22
23#include"srec_sizes.h"
24#include"srec.h"
25#include"search_network.h"
26
27#if defined(__cplusplus)
28extern "C"
29{
30#endif
31
32  void print_word_token(srec* rec, wtokenID wtoken_index, char* msg);
33  void print_word_token_backtrace(srec* rec, wtokenID wtoken_index, char* tail);
34  void print_word_token_list(srec* rec, wtokenID wtoken_index, char* msg);
35  int sprint_bword_token_backtrace(char *buf, int len, srec* rec, wtokenID wtoken_index);
36
37#define SCOREMODE_EXCLUDE_SILENCE 0
38#define SCOREMODE_INCLUDE_SILENCE 1
39#define ERROR_TRANSCRIPTION_TOO_LONG -1
40#define ERROR_RESULT_IS_LOOPY        -2
41
42  int srec_print_results(multi_srec *rec, int max_choices);
43  int srec_get_top_choice_score(multi_srec* rec, bigcostdata *cost, int do_incsil);
44  int srec_get_top_choice_transcription(multi_srec* rec, char *transcription, int len, int whether_strip_slot_markers) ;
45  ESR_ReturnCode srec_get_top_choice_wordIDs(multi_srec* recm, wordID* wordIDs, size_t* len);
46  int sprint_word_token_backtrace(char *transcription, int len, srec* rec, wtokenID wtoken_index);
47  void sort_word_lattice_at_frame(srec* rec, frameID frame);
48  int reprune_word_tokens(srec* rec, costdata current_best_cost);
49  srec_word_lattice *allocate_word_lattice(frameID max_frames);
50  void destroy_word_lattice(srec_word_lattice* wl);
51  void initialize_word_lattice(srec_word_lattice* wl);
52  void lattice_add_word_tokens(srec_word_lattice *wl, frameID frame,
53                               wtokenID word_token_list_head);
54  costdata lattice_best_cost_to_frame(srec_word_lattice *wl, word_token* word_token_array, frameID ifr);
55
56#if defined(__cplusplus)
57}
58#endif
59
60#endif
61