experiments/STT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Use std::shared_ptr instead of raw pointer for dictionary_

Browse Source 
Fixes #2403
This commit is contained in:
Alexandre Lissy 2019-10-18 10:15:56 +02:00
parent 336daa1641
commit ef3f8004ce
3 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
native_client/ctcdecode/ctc_beam_search_decoder.cpp
View File

@ -37,7 +37,8 @@ DecoderState::init(const Alphabet& alphabet,
prefixes_.push_back(root);
if (ext_scorer != nullptr && !ext_scorer->is_character_based()) {
auto dict_ptr = ext_scorer->dictionary->Copy(true);
// no need for std::make_shared<>() since Copy() does 'new' behind the doors
auto dict_ptr = std::shared_ptr<PathTrie::FstType>(ext_scorer->dictionary->Copy(true));
root->set_dictionary(dict_ptr);
auto matcher = std::make_shared<fst::SortedMatcher<PathTrie::FstType>>(*dict_ptr, fst::MATCH_INPUT);
root->set_matcher(matcher);

6
native_client/ctcdecode/path_trie.cpp
View File

@ -165,9 +165,9 @@ void PathTrie::remove() {
}
}
void PathTrie::set_dictionary(PathTrie::FstType* dictionary) {
void PathTrie::set_dictionary(std::shared_ptr<PathTrie::FstType> dictionary) {
dictionary_ = dictionary;
dictionary_state_ = dictionary->Start();
dictionary_state_ = dictionary_->Start();
has_dictionary_ = true;
}
@ -201,4 +201,4 @@ void PathTrie::print(const Alphabet& a) {
printf("\n");
printf("transcript:\t %s\n", tr.c_str());
}
#endif // DEBUG
#endif // DEBUG

4
native_client/ctcdecode/path_trie.h
View File

@ -39,7 +39,7 @@ public:
void iterate_to_vec(std::vector<PathTrie*>& output);
// set dictionary for FST
void set_dictionary(FstType* dictionary);
void set_dictionary(std::shared_ptr<FstType> dictionary);
void set_matcher(std::shared_ptr<fst::SortedMatcher<FstType>>);
@ -72,7 +72,7 @@ private:
std::vector<std::pair<int, PathTrie*>> children_;
// pointer to dictionary of FST
FstType* dictionary_;
std::shared_ptr<FstType> dictionary_;
FstType::StateId dictionary_state_;
// true if finding ars in FST
std::shared_ptr<fst::SortedMatcher<FstType>> matcher_;