From 80c307b701ad105e8462e4962ad72aa005417a5d Mon Sep 17 00:00:00 2001
From: tanel <alumae@gmail.com>
Date: Thu, 6 Nov 2014 18:23:49 +0200
Subject: [PATCH] Not generating lattice if less than 0.1 seconds were
processed
---
src/gstkaldinnet2onlinedecoder.cc | 36 +++++++++++++++++--------------
1 file changed, 20 insertions(+), 16 deletions(-)
diff --git a/src/gstkaldinnet2onlinedecoder.cc b/src/gstkaldinnet2onlinedecoder.cc
index c99bc0b..6ffed6c 100644
--- a/src/gstkaldinnet2onlinedecoder.cc
+++ b/src/gstkaldinnet2onlinedecoder.cc
@@ -588,22 +588,26 @@ static void gst_kaldinnet2onlinedecoder_loop(
last_traceback += traceback_period_secs;
}
}
- GST_DEBUG_OBJECT(filter, "Getting lattice..");
- CompactLattice clat;
- bool end_of_utterance = true;
- decoder.GetLattice(end_of_utterance, &clat);
- GST_DEBUG_OBJECT(filter, "Lattice done");
- double tot_like = 0.0;
- int64 num_frames = 0;
-
- guint num_words = 0;
- gst_kaldinnet2onlinedecoder_final_result(filter, clat, &num_frames,
- &tot_like, &num_words);
- if (num_words > 0) {
- // Only update adaptation state if the utterance was not empty
- // We might avoid updating the adaptation state if
- // we felt the utterance had low confidence.
- feature_pipeline.GetAdaptationState(&adaptation_state);
+ if (num_seconds_decoded > 0.1) {
+ GST_DEBUG_OBJECT(filter, "Getting lattice..");
+ CompactLattice clat;
+ bool end_of_utterance = true;
+ decoder.GetLattice(end_of_utterance, &clat);
+ GST_DEBUG_OBJECT(filter, "Lattice done");
+ double tot_like = 0.0;
+ int64 num_frames = 0;
+
+ guint num_words = 0;
+ gst_kaldinnet2onlinedecoder_final_result(filter, clat, &num_frames,
+ &tot_like, &num_words);
+ if (num_words > 0) {
+ // Only update adaptation state if the utterance was not empty
+ // We might avoid updating the adaptation state if
+ // we felt the utterance had low confidence.
+ feature_pipeline.GetAdaptationState(&adaptation_state);
+ }
+ } else {
+ GST_DEBUG_OBJECT(filter, "Less than 0.1 seconds decoded, discarding");
}
}
--
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