1 /* 2 * Copyright (c) 2020 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_DENSE_H 22 #define AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_DENSE_H 23 24 #include "dnn_backend_native.h" 25 26 typedef struct DenseParams{ 27 int32_t input_num, output_num; 28 DNNActivationFunc activation; 29 int32_t has_bias; 30 float *kernel; 31 float *biases; 32 } DenseParams; 33 34 /** 35 * @brief Load the Densely-Connected Layer. 36 * 37 * It assigns the densely connected layer with DenseParams 38 * after parsing from the model file context. 39 * 40 * @param layer pointer to the DNN layer instance 41 * @param model_file_context pointer to model file context 42 * @param file_size model file size to check if data is read 43 * correctly from the model file 44 * @param operands_num operand count of the whole model to 45 * check if data is read correctly from the model file 46 * @return number of bytes read from the model file 47 * @retval 0 if out of memory or an error occurs 48 */ 49 int ff_dnn_load_layer_dense(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num); 50 51 /** 52 * @brief Execute the Densely-Connected Layer. 53 * 54 * @param operands all operands for the model 55 * @param input_operand_indexes input operand indexes for this layer 56 * @param output_operand_index output operand index for this layer 57 * @param parameters dense layer parameters 58 * @param ctx pointer to Native model context for logging 59 * @retval 0 if the execution succeeds 60 * @retval AVERROR(ENOMEM) if memory allocation fails 61 * @retval AVERROR(EINVAL) for invalid arguments 62 */ 63 int ff_dnn_execute_layer_dense(DnnOperand *operands, const int32_t *input_operand_indexes, 64 int32_t output_operand_index, const void *parameters, NativeContext *ctx); 65 #endif 66