From 1e45a9503e1990b4023da2950ec47ea6070d8b42 Mon Sep 17 00:00:00 2001
From: you zou <54074779+zou-you@users.noreply.github.com>
Date: Thu, 2 Mar 2023 09:51:36 +0800
Subject: [PATCH] fix bugs (#73)

---
 sherpa-onnx/csrc/features.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sherpa-onnx/csrc/features.cc b/sherpa-onnx/csrc/features.cc
index ed90b58a..b0defc50 100644
--- a/sherpa-onnx/csrc/features.cc
+++ b/sherpa-onnx/csrc/features.cc
@@ -90,7 +90,10 @@ class FeatureExtractor::Impl {
     return features;
   }
 
-  void Reset() { fbank_ = std::make_unique<knf::OnlineFbank>(opts_); }
+  void Reset() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    fbank_ = std::make_unique<knf::OnlineFbank>(opts_);
+  }
 
   int32_t FeatureDim() const { return opts_.mel_opts.num_bins; }