diff --git a/core/preprocess/CMakeLists.txt b/core/preprocess/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89a2502da8793dbd609758a13ea274a474e260b2
--- /dev/null
+++ b/core/preprocess/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(hwvideoframe)