diff options
| -rw-r--r-- | kaldi_io/init.lua | 8 | ||||
| -rw-r--r-- | kaldi_io/src/cwrapper_kaldi.cpp | 9 |
2 files changed, 15 insertions, 2 deletions
diff --git a/kaldi_io/init.lua b/kaldi_io/init.lua index 2173230..751247a 100644 --- a/kaldi_io/init.lua +++ b/kaldi_io/init.lua @@ -41,6 +41,7 @@ function KaldiReader:__init(global_conf, reader_conf) end function KaldiReader:get_data() + local fail_to_read_alignment = false if self.feat_repo:is_end() then return nil end @@ -87,6 +88,9 @@ function KaldiReader:get_data() local lab_utter = repo:get_utter(self.feat_repo, feat_utter:nrow(), self.debug) + if lab_utter == nil then + fail_to_read_alignment = true + end res[id] = lab_utter end -- add corresponding lookup features @@ -110,5 +114,9 @@ function KaldiReader:get_data() -- move the pointer to next self.feat_repo:next() collectgarbage("collect") + if fail_to_read_alignment then + nerv.info("[kaldi] utterance %s alignment not found, skip it.", self.feat_repo:key()) + res = self:get_data() + end return res end diff --git a/kaldi_io/src/cwrapper_kaldi.cpp b/kaldi_io/src/cwrapper_kaldi.cpp index e8b11a1..788128b 100644 --- a/kaldi_io/src/cwrapper_kaldi.cpp +++ b/kaldi_io/src/cwrapper_kaldi.cpp @@ -159,8 +159,13 @@ extern "C" { Matrix *kaldi_label_repo_read_utterance(KaldiLabelRepo *repo, KaldiFeatureRepo *frepo, int nframes, lua_State *L, int debug, MContext *context) { - Matrix *mat; - kaldi::Posterior targets = repo->targets_reader->Value(frepo->utt); + Matrix *mat = NULL; + /* check if the alignment of the utterance exists, otherwise return NULL */ + kaldi::Posterior targets; + if (repo->targets_reader->HasKey(frepo->utt)) + targets = repo->targets_reader->Value(frepo->utt); + else + return mat; int n = targets.size() < nframes ? targets.size() : nframes; int m = (int)targets[0].size(); |