| /* |
| * 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 functions interface for native backend. |
| */ |
| |
| |
| #ifndef AVFILTER_DNN_BACKEND_NATIVE_H |
| #define AVFILTER_DNN_BACKEND_NATIVE_H |
| |
| #include "dnn_interface.h" |
| #include "libavformat/avio.h" |
| |
| typedef enum {INPUT, CONV, DEPTH_TO_SPACE} DNNLayerType; |
| |
| typedef enum {RELU, TANH, SIGMOID} DNNActivationFunc; |
| |
| typedef struct Layer{ |
| DNNLayerType type; |
| float *output; |
| void *params; |
| } Layer; |
| |
| typedef struct ConvolutionalParams{ |
| int32_t input_num, output_num, kernel_size; |
| DNNActivationFunc activation; |
| float *kernel; |
| float *biases; |
| } ConvolutionalParams; |
| |
| typedef struct InputParams{ |
| int height, width, channels; |
| } InputParams; |
| |
| typedef struct DepthToSpaceParams{ |
| int block_size; |
| } DepthToSpaceParams; |
| |
| // Represents simple feed-forward convolutional network. |
| typedef struct ConvolutionalNetwork{ |
| Layer *layers; |
| int32_t layers_num; |
| } ConvolutionalNetwork; |
| |
| DNNModel *ff_dnn_load_model_native(const char *model_filename); |
| |
| DNNReturnType ff_dnn_execute_model_native(const DNNModel *model); |
| |
| void ff_dnn_free_model_native(DNNModel **model); |
| |
| #endif |