lavfi/dnn_backend_openvino: Return Specific Error Codes

Switch to returning specific error codes or DNN_GENERIC_ERROR
when an error is encountered. For OpenVINO API errors, currently
DNN_GENERIC_ERROR is returned.

Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/libavfilter/dnn_interface.h b/libavfilter/dnn_interface.h
index 24e0b66661..06e71f7946 100644
--- a/libavfilter/dnn_interface.h
+++ b/libavfilter/dnn_interface.h
@@ -94,9 +94,9 @@ typedef struct DNNModel{
     DNNFunctionType func_type;
     // 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);
+    int (*get_input)(void *model, DNNData *input, const char *input_name);
     // Gets model output width/height with given input w/h
-    DNNReturnType (*get_output)(void *model, const char *input_name, int input_width, int input_height,
+    int (*get_output)(void *model, const char *input_name, int input_width, int input_height,
                                 const char *output_name, int *output_width, int *output_height);
     // set the pre process to transfer data from AVFrame to DNNData
     // the default implementation within DNN is used if it is not provided by the filter
@@ -114,12 +114,12 @@ typedef struct DNNModel{
 typedef struct DNNModule{
     // Loads model and parameters from given file. Returns NULL if it is not possible.
     DNNModel *(*load_model)(const char *model_filename, DNNFunctionType func_type, const char *options, AVFilterContext *filter_ctx);
-    // Executes model with specified input and output. Returns DNN_ERROR otherwise.
-    DNNReturnType (*execute_model)(const DNNModel *model, DNNExecBaseParams *exec_params);
+    // Executes model with specified input and output. Returns the error code otherwise.
+    int (*execute_model)(const DNNModel *model, DNNExecBaseParams *exec_params);
     // Retrieve inference result.
     DNNAsyncStatusType (*get_result)(const DNNModel *model, AVFrame **in, AVFrame **out);
     // Flush all the pending tasks.
-    DNNReturnType (*flush)(const DNNModel *model);
+    int (*flush)(const DNNModel *model);
     // Frees memory allocated for model.
     void (*free_model)(DNNModel **model);
 } DNNModule;