Signed-off-by: Guo, Yejun <yejun.guo@intel.com> Signed-off-by: Pedro Arthur <bygrandao@gmail.com>
		
			
				
	
	
		
			70 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2018 Sergey Lavrushkin
 | |
|  *
 | |
|  * This file is part of FFmpeg.
 | |
|  *
 | |
|  * FFmpeg is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Lesser General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2.1 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * FFmpeg is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * Lesser General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Lesser General Public
 | |
|  * License along with FFmpeg; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * @file
 | |
|  * DNN inference engine interface.
 | |
|  */
 | |
| 
 | |
| #ifndef AVFILTER_DNN_INTERFACE_H
 | |
| #define AVFILTER_DNN_INTERFACE_H
 | |
| 
 | |
| #include <stdint.h>
 | |
| 
 | |
| typedef enum {DNN_SUCCESS, DNN_ERROR} DNNReturnType;
 | |
| 
 | |
| typedef enum {DNN_NATIVE, DNN_TF} DNNBackendType;
 | |
| 
 | |
| typedef enum {DNN_FLOAT = 1, DNN_UINT8 = 4} DNNDataType;
 | |
| 
 | |
| typedef struct DNNInputData{
 | |
|     void *data;
 | |
|     DNNDataType dt;
 | |
|     int width, height, channels;
 | |
| } DNNInputData;
 | |
| 
 | |
| typedef struct DNNData{
 | |
|     float *data;
 | |
|     int width, height, channels;
 | |
| } DNNData;
 | |
| 
 | |
| typedef struct DNNModel{
 | |
|     // Stores model that can be different for different backends.
 | |
|     void *model;
 | |
|     // Sets model input and output.
 | |
|     // Should be called at least once before model execution.
 | |
|     DNNReturnType (*set_input_output)(void *model, DNNInputData *input, const char *input_name, const char **output_names, uint32_t nb_output);
 | |
| } 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);
 | |
|     // 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.
 | |
|     void (*free_model)(DNNModel **model);
 | |
| } DNNModule;
 | |
| 
 | |
| // Initializes DNNModule depending on chosen backend.
 | |
| DNNModule *ff_get_dnn_module(DNNBackendType backend_type);
 | |
| 
 | |
| #endif
 |