lavfi/dnn: Error Specificity in Native Backend Layers

This commit returns specific error codes from the execution
functions in the Native Backend layers instead of DNN_ERROR.
Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>

libavfilter/dnn/dnn_backend_native_layer_avgpool.c

@@ -109,12 +109,12 @@ int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_ope
     output_operand->length = ff_calculate_operand_data_length(output_operand);
     if (output_operand->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output_operand->data = av_realloc(output_operand->data, output_operand->length);
     if (!output_operand->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
     output = output_operand->data;
 
@@ -143,5 +143,5 @@ int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_ope
         }
     }
 
-    return 0;
+    return DNN_SUCCESS;
 }

libavfilter/dnn/dnn_backend_native_layer_avgpool.h

@@ -60,7 +60,8 @@ int ff_dnn_load_layer_avg_pool(Layer *layer, AVIOContext *model_file_context, in
  * @param parameters average pooling parameters
  * @param ctx pointer to Native model context for logging
  * @retval 0 if the execution succeeds
- * @retval DNN_ERROR if the execution fails
+ * @retval AVERROR(ENOMEM) if memory allocation fails
+ * @retval AVERROR(EINVAL) for invalid arguments
  */
 int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_operand_indexes,
                                   int32_t output_operand_index, const void *parameters, NativeContext *ctx);

libavfilter/dnn/dnn_backend_native_layer_conv2d.c

@@ -211,12 +211,12 @@ int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_opera
     output_operand->length = ff_calculate_operand_data_length(output_operand);
     if (output_operand->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     tmp = av_realloc(output_operand->data, output_operand->length);
     if (!tmp) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
     output_operand->data = tmp;
     thread_common_param.output_data = output_operand->data;
@@ -229,17 +229,19 @@ int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_opera
 #if HAVE_PTHREAD_CANCEL
     thread_param = av_malloc_array(thread_num, sizeof(*thread_param));
     if (!thread_param)
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     thread_stride = (height - pad_size * 2) / thread_num;
     //create threads
     for (int i = 0; i < thread_num; i++){
+        int thread_ret = 0;
         thread_param[i].thread_common_param = &thread_common_param;
         thread_param[i].thread_start = thread_stride * i + pad_size;
         thread_param[i].thread_end = (i == thread_num - 1) ? (height - pad_size) : (thread_param[i].thread_start + thread_stride);
-        if (pthread_create(&thread_param[i].thread, NULL,
-                           dnn_execute_layer_conv2d_thread, &thread_param[i])) {
+        thread_ret = pthread_create(&thread_param[i].thread, NULL,
+                                    dnn_execute_layer_conv2d_thread, &thread_param[i]);
+        if (thread_ret) {
             thread_num = i;
-            ret = DNN_ERROR;
+            ret = AVERROR(thread_ret);
             break;
         }
     }

libavfilter/dnn/dnn_backend_native_layer_conv2d.h

@@ -60,7 +60,8 @@ int ff_dnn_load_layer_conv2d(Layer *layer, AVIOContext *model_file_context, int
  * @param parameters convolution parameters
  * @param ctx pointer to Native model context for logging
  * @retval 0 if the execution succeeds
- * @retval DNN_ERROR if the execution fails
+ * @retval AVERROR(ENOMEM) if memory allocation fails
+ * @retval AVERROR(EINVAL) for invalid arguments
  */
 int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_operand_indexes,
                                 int32_t output_operand_index, const void *parameters, NativeContext *ctx);

libavfilter/dnn/dnn_backend_native_layer_dense.c

@@ -104,12 +104,12 @@ int ff_dnn_execute_layer_dense(DnnOperand *operands, const int32_t *input_operan
     output_operand->length = ff_calculate_operand_data_length(output_operand);
     if (output_operand->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output_operand->data = av_realloc(output_operand->data, output_operand->length);
     if (!output_operand->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
     output = output_operand->data;
 
@@ -147,5 +147,5 @@ int ff_dnn_execute_layer_dense(DnnOperand *operands, const int32_t *input_operan
             output += dense_params->output_num;
         }
     }
-    return 0;
+    return DNN_SUCCESS;
 }

libavfilter/dnn/dnn_backend_native_layer_dense.h

@@ -57,7 +57,8 @@ int ff_dnn_load_layer_dense(Layer *layer, AVIOContext *model_file_context, int f
  * @param parameters dense layer parameters
  * @param ctx pointer to Native model context for logging
  * @retval 0 if the execution succeeds
- * @retval DNN_ERROR if the execution fails
+ * @retval AVERROR(ENOMEM) if memory allocation fails
+ * @retval AVERROR(EINVAL) for invalid arguments
  */
 int ff_dnn_execute_layer_dense(DnnOperand *operands, const int32_t *input_operand_indexes,
                                int32_t output_operand_index, const void *parameters, NativeContext *ctx);

libavfilter/dnn/dnn_backend_native_layer_depth2space.c

@@ -76,12 +76,12 @@ int ff_dnn_execute_layer_depth2space(DnnOperand *operands, const int32_t *input_
     output_operand->length = ff_calculate_operand_data_length(output_operand);
     if (output_operand->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output_operand->data = av_realloc(output_operand->data, output_operand->length);
     if (!output_operand->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
     output = output_operand->data;
 
@@ -98,5 +98,5 @@ int ff_dnn_execute_layer_depth2space(DnnOperand *operands, const int32_t *input_
         }
         output += output_linesize;
     }
-    return 0;
+    return DNN_SUCCESS;
 }

libavfilter/dnn/dnn_backend_native_layer_depth2space.h

@@ -63,7 +63,8 @@ int ff_dnn_load_layer_depth2space(Layer *layer, AVIOContext *model_file_context,
  * @param parameters depth to space layer parameters
  * @param ctx pointer to Native model context for logging
  * @retval 0 if the execution succeeds
- * @retval DNN_ERROR if the execution fails
+ * @retval AVERROR(ENOMEM) if memory allocation fails
+ * @retval AVERROR(EINVAL) for invalid arguments
  */
 int ff_dnn_execute_layer_depth2space(DnnOperand *operands, const int32_t *input_operand_indexes,
                                      int32_t output_operand_index, const void *parameters, NativeContext *ctx);

libavfilter/dnn/dnn_backend_native_layer_mathbinary.c

@@ -159,12 +159,12 @@ int ff_dnn_execute_layer_math_binary(DnnOperand *operands, const int32_t *input_
     output->length = ff_calculate_operand_data_length(output);
     if (output->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output->data = av_realloc(output->data, output->length);
     if (!output->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
 
     switch (params->bin_op) {
@@ -188,6 +188,6 @@ int ff_dnn_execute_layer_math_binary(DnnOperand *operands, const int32_t *input_
         return 0;
     default:
         av_log(ctx, AV_LOG_ERROR, "Unmatch math binary operator\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
 }

libavfilter/dnn/dnn_backend_native_layer_mathunary.c

@@ -68,12 +68,12 @@ int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_o
     output->length = ff_calculate_operand_data_length(output);
     if (output->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output->data = av_realloc(output->data, output->length);
     if (!output->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
 
     dims_count = ff_calculate_operand_dims_count(output);
@@ -151,6 +151,6 @@ int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_o
         return 0;
     default:
         av_log(ctx, AV_LOG_ERROR, "Unmatch math unary operator\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
 }

libavfilter/dnn/dnn_backend_native_layer_mathunary.h

@@ -83,7 +83,8 @@ int ff_dnn_load_layer_math_unary(Layer *layer, AVIOContext *model_file_context,
  * @param parameters unary math layer parameters
  * @param ctx pointer to Native model context for logging
  * @retval 0 if the execution succeeds
- * @retval DNN_ERROR if the execution fails
+ * @retval AVERROR(ENOMEM) if memory allocation fails
+ * @retval AVERROR(EINVAL) for invalid arguments
  */
 int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_operand_indexes,
                                     int32_t output_operand_index, const void *parameters, NativeContext *ctx);

libavfilter/dnn/dnn_backend_native_layer_maximum.c

@@ -65,12 +65,12 @@ int ff_dnn_execute_layer_maximum(DnnOperand *operands, const int32_t *input_oper
     output->length = ff_calculate_operand_data_length(output);
     if (output->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output->data = av_realloc(output->data, output->length);
     if (!output->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
 
     dims_count = ff_calculate_operand_dims_count(output);

libavfilter/dnn/dnn_backend_native_layer_pad.c

@@ -113,12 +113,12 @@ int ff_dnn_execute_layer_pad(DnnOperand *operands, const int32_t *input_operand_
     output_operand->length = ff_calculate_operand_data_length(output_operand);
     if (output_operand->length <= 0) {
         av_log(ctx, AV_LOG_ERROR, "The output data length overflow\n");
-        return DNN_ERROR;
+        return AVERROR(EINVAL);
     }
     output_operand->data = av_realloc(output_operand->data, output_operand->length);
     if (!output_operand->data) {
         av_log(ctx, AV_LOG_ERROR, "Failed to reallocate memory for output\n");
-        return DNN_ERROR;
+        return AVERROR(ENOMEM);
     }
     output = output_operand->data;
 

libavfilter/dnn_interface.h

@@ -30,6 +30,8 @@
 #include "libavutil/frame.h"
 #include "avfilter.h"
 
+#define DNN_GENERIC_ERROR FFERRTAG('D','N','N','!')
+
 typedef enum {DNN_SUCCESS, DNN_ERROR} DNNReturnType;
 
 typedef enum {DNN_NATIVE, DNN_TF, DNN_OV} DNNBackendType;