diff --git a/services/engine/codec/audio/audio_codec_worker.cpp b/services/engine/codec/audio/audio_codec_worker.cpp
index d07cbc65371c2216245525d26e968df88cce9889..3016bc5fdb5f9bf3b3163dd49f5516cdfa7e3eb5 100644
--- a/services/engine/codec/audio/audio_codec_worker.cpp
+++ b/services/engine/codec/audio/audio_codec_worker.cpp
@@ -355,8 +355,10 @@ void AudioCodecWorker::ConsumerOutputBuffer()
             }
             AVCODEC_LOGD_LIMIT(LOGD_FREQUENCY, "Work %{public}s consumerOutputBuffer callback_ index:%{public}u",
                                name_.data(), index);
+            lock.unlock();
             callback_->OnOutputBufferAvailable(index, outBuffer->GetBufferAttr(), outBuffer->GetFlag(),
                                                outBuffer->GetBuffer());
+            lock.lock();
         }
     }
     outputCondition_.wait_for(lock, std::chrono::milliseconds(TIMEOUT_MS),