vad streaming return [beg, -1], [], [-1, end], [beg, end] (#1306)

zhifu gao

2024-01-26 65396eeeff96cdc21f939828e13a2e3d0127f2c6

 runtime/onnxruntime/src/funasrruntime.cpp

@@ -245,7 +245,7 @@
            return p_result;
        }
      if(offline_stream->UseVad()){
         audio.Split(offline_stream);
         audio.CutSplit(offline_stream);
      }

      float* buff;