From 119f9091ea60d81efabd7d20ff2490b9e7084778 Mon Sep 17 00:00:00 2001
From: Eric Bi <sxk.achilles@gmail.com>
Date: Tue, 1 Dec 2015 17:03:39 +0800
Subject: add detection of utterances without alignment, and skip them
---
kaldi_io/src/cwrapper_kaldi.cpp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
(limited to 'kaldi_io/src')
diff --git a/kaldi_io/src/cwrapper_kaldi.cpp b/kaldi_io/src/cwrapper_kaldi.cpp
index d16f316..542f1d0 100644
--- a/kaldi_io/src/cwrapper_kaldi.cpp
+++ b/kaldi_io/src/cwrapper_kaldi.cpp
@@ -150,8 +150,12 @@ extern "C" {
Matrix *kaldi_label_repo_read_utterance(KaldiLabelRepo *repo, KaldiFeatureRepo *frepo, int nframes,
lua_State *L,
int debug) {
- 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();
--
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