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 /** 22 * @file 23 * DNN inference functions interface for native backend. 24 */ 25 26 #ifndef AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_AVGPOOL_H 27 #define AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_AVGPOOL_H 28 29 #include "dnn_backend_native.h" 30 31 typedef struct AvgPoolParams{ 32 int32_t strides, kernel_size; 33 DNNPaddingParam padding_method; 34 } AvgPoolParams; 35 36 /** 37 * @brief Load Average Pooling Layer. 38 * 39 * It assigns the Average Pooling layer with AvgPoolParams 40 * after parsing from the model file context. 41 * 42 * @param layer pointer to the DNN layer instance 43 * @param model_file_context pointer to model file context 44 * @param file_size model file size to check if data is read 45 * correctly from the model file 46 * @param operands_num operand count of the whole model to 47 * check if data is read correctly from the model file 48 * @return number of bytes read from the model file 49 * @retval 0 if out of memory or an error occurs 50 */ 51 int ff_dnn_load_layer_avg_pool(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num); 52 53 /** 54 * @brief Execute the Average Pooling Layer. 55 * Padding in channel dimensions is currently not supported. 56 * 57 * @param operands all operands for the model 58 * @param input_operand_indexes input operand indexes for this layer 59 * @param output_operand_index output operand index for this layer 60 * @param parameters average pooling parameters 61 * @param ctx pointer to Native model context for logging 62 * @retval 0 if the execution succeeds 63 * @retval AVERROR(ENOMEM) if memory allocation fails 64 * @retval AVERROR(EINVAL) for invalid arguments 65 */ 66 int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_operand_indexes, 67 int32_t output_operand_index, const void *parameters, NativeContext *ctx); 68 69 #endif 70