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_MATHUNARY_H 27 #define AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_MATHUNARY_H 28 29 #include "libavformat/avio.h" 30 #include "dnn_backend_native.h" 31 32 typedef enum { 33 DMUO_ABS = 0, 34 DMUO_SIN = 1, 35 DMUO_COS = 2, 36 DMUO_TAN = 3, 37 DMUO_ASIN = 4, 38 DMUO_ACOS = 5, 39 DMUO_ATAN = 6, 40 DMUO_SINH = 7, 41 DMUO_COSH = 8, 42 DMUO_TANH = 9, 43 DMUO_ASINH = 10, 44 DMUO_ACOSH = 11, 45 DMUO_ATANH = 12, 46 DMUO_CEIL = 13, 47 DMUO_FLOOR = 14, 48 DMUO_ROUND = 15, 49 DMUO_EXP = 16, 50 DMUO_COUNT 51 } DNNMathUnaryOperation; 52 53 typedef struct DnnLayerMathUnaryParams{ 54 DNNMathUnaryOperation un_op; 55 } DnnLayerMathUnaryParams; 56 57 /** 58 * @brief Load the Unary Math Layer. 59 * 60 * It assigns the unary math layer with DnnLayerMathUnaryParams 61 * after parsing from the model file context. 62 * 63 * @param layer pointer to the DNN layer instance 64 * @param model_file_context pointer to model file context 65 * @param file_size model file size to check if data is read 66 * correctly from the model file 67 * @param operands_num operand count of the whole model to 68 * check if data is read correctly from the model file 69 * @return number of bytes read from the model file 70 * @retval 0 if out of memory or an error occurs 71 */ 72 int ff_dnn_load_layer_math_unary(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num); 73 74 /** 75 * @brief Execute the Unary Math Layer. 76 * 77 * It applies the unary operator parsed while 78 * loading to the given input operands. 79 * 80 * @param operands all operands for the model 81 * @param input_operand_indexes input operand indexes for this layer 82 * @param output_operand_index output operand index for this layer 83 * @param parameters unary math layer parameters 84 * @param ctx pointer to Native model context for logging 85 * @retval 0 if the execution succeeds 86 * @retval AVERROR(ENOMEM) if memory allocation fails 87 * @retval AVERROR(EINVAL) for invalid arguments 88 */ 89 int ff_dnn_execute_layer_math_unary(DnnOperand *operands, const int32_t *input_operand_indexes, 90 int32_t output_operand_index, const void *parameters, NativeContext *ctx); 91 92 #endif 93