From 4fc0a1dc6428ffffd7e36be7a4380d6336a27917 Mon Sep 17 00:00:00 2001
From: Dadoou <33223302+Dadoou@users.noreply.github.com>
Date: Fri, 24 May 2024 22:31:56 +0800
Subject: [PATCH] Update offline-ctc-greedy-search-decoder.cc (#917)

Bug fixes.
Z_O_O will be decoded as ZO instead of ZOO.
To fix this, prev_id should update every time.
---
 sherpa-onnx/csrc/offline-ctc-greedy-search-decoder.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sherpa-onnx/csrc/offline-ctc-greedy-search-decoder.cc b/sherpa-onnx/csrc/offline-ctc-greedy-search-decoder.cc
index 8c4451b3..59d16f5d 100644
--- a/sherpa-onnx/csrc/offline-ctc-greedy-search-decoder.cc
+++ b/sherpa-onnx/csrc/offline-ctc-greedy-search-decoder.cc
@@ -42,8 +42,8 @@ std::vector<OfflineCtcDecoderResult> OfflineCtcGreedySearchDecoder::Decode(
       if (y != blank_id_ && y != prev_id) {
         r.tokens.push_back(y);
         r.timestamps.push_back(t);
-        prev_id = y;
       }
+      prev_id = y;
     }  // for (int32_t t = 0; ...)
 
     ans.push_back(std::move(r));