dnn: add backend options when load the model

different backend might need different options for a better performance,
so, add the parameter into dnn interface, as a preparation.

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/libavfilter/dnn_interface.h b/libavfilter/dnn_interface.h
index f914265c5f..c5a72b4e52 100644
--- a/libavfilter/dnn_interface.h
+++ b/libavfilter/dnn_interface.h
@@ -43,6 +43,8 @@ typedef struct DNNData{
 typedef struct DNNModel{
     // Stores model that can be different for different backends.
     void *model;
+    // Stores options when the model is executed by the backend
+    const char *options;
     // Gets model input information
     // Just reuse struct DNNData here, actually the DNNData.data field is not needed.
     DNNReturnType (*get_input)(void *model, DNNData *input, const char *input_name);
@@ -54,7 +56,7 @@ typedef struct DNNModel{
 // Stores pointers to functions for loading, executing, freeing DNN models for one of the backends.
 typedef struct DNNModule{
     // Loads model and parameters from given file. Returns NULL if it is not possible.
-    DNNModel *(*load_model)(const char *model_filename);
+    DNNModel *(*load_model)(const char *model_filename, const char *options);
     // Executes model with specified input and output. Returns DNN_ERROR otherwise.
     DNNReturnType (*execute_model)(const DNNModel *model, DNNData *outputs, uint32_t nb_output);
     // Frees memory allocated for model.