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      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)
     28 extern "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