diff --git a/libavfilter/dnn_interface.h b/libavfilter/dnn_interface.h
index 2fb9b15676..d3a0c58a61 100644
--- a/libavfilter/dnn_interface.h
+++ b/libavfilter/dnn_interface.h
@@ -36,6 +36,11 @@ typedef enum {DNN_NATIVE, DNN_TF, DNN_OV} DNNBackendType;
 
 typedef enum {DNN_FLOAT = 1, DNN_UINT8 = 4} DNNDataType;
 
+typedef enum {
+    DCO_NONE,
+    DCO_BGR,
+} DNNColorOrder;
+
 typedef enum {
     DAST_FAIL,              // something wrong
     DAST_EMPTY_QUEUE,       // no more inference result to get
@@ -52,8 +57,10 @@ typedef enum {
 
 typedef struct DNNData{
     void *data;
-    DNNDataType dt;
     int width, height, channels;
+    // dt and order together decide the color format
+    DNNDataType dt;
+    DNNColorOrder order;
 } DNNData;
 
 typedef struct DNNModel{