FFmpeg
dnn_backend_native_layer_conv2d.h
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1 /*
2  * Copyright (c) 2018 Sergey Lavrushkin
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_CONV2D_H
22 #define AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_CONV2D_H
23 
24 #include "dnn_backend_native.h"
25 
26 
27 typedef struct ConvolutionalParams{
33  float *kernel;
34  float *biases;
36 
37 /**
38  * @brief Load the 2D Convolution Layer.
39  *
40  * It assigns the 2D convolution layer with ConvolutionalParams
41  * after parsing from the model file context.
42  *
43  * @param layer pointer to the DNN layer instance
44  * @param model_file_context pointer to model file context
45  * @param file_size model file size to check if data is read
46  * correctly from the model file
47  * @param operands_num operand count of the whole model to
48  * check if data is read correctly from the model file
49  * @return number of bytes read from the model file
50  * @retval 0 if out of memory or an error occurs
51  */
52 int ff_dnn_load_layer_conv2d(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num);
53 
54 /**
55  * @brief Execute the 2D Convolution Layer.
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 convolution 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_conv2d(DnnOperand *operands, const int32_t *input_operand_indexes,
67  int32_t output_operand_index, const void *parameters, NativeContext *ctx);
68 #endif
ConvolutionalParams::kernel
float * kernel
Definition: dnn_backend_native_layer_conv2d.h:33
ConvolutionalParams::input_num
int32_t input_num
Definition: dnn_backend_native_layer_conv2d.h:28
ConvolutionalParams::activation
DNNActivationFunc activation
Definition: dnn_backend_native_layer_conv2d.h:29
ctx
AVFormatContext * ctx
Definition: movenc.c:48
ConvolutionalParams::has_bias
int32_t has_bias
Definition: dnn_backend_native_layer_conv2d.h:32
ConvolutionalParams::kernel_size
int32_t kernel_size
Definition: dnn_backend_native_layer_conv2d.h:28
AVIOContext
Bytestream IO Context.
Definition: avio.h:166
NativeContext
Definition: dnn_backend_native.h:118
Layer
Definition: dnn_backend_native.h:57
DNNPaddingParam
DNNPaddingParam
Definition: dnn_backend_native.h:54
dnn_backend_native.h
ConvolutionalParams::output_num
int32_t output_num
Definition: dnn_backend_native_layer_conv2d.h:28
DNNActivationFunc
DNNActivationFunc
Definition: dnn_backend_native.h:55
ff_dnn_load_layer_conv2d
int ff_dnn_load_layer_conv2d(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
Load the 2D Convolution Layer.
Definition: dnn_backend_native_layer_conv2d.c:46
ConvolutionalParams::padding_method
DNNPaddingParam padding_method
Definition: dnn_backend_native_layer_conv2d.h:30
DnnOperand
Definition: dnn_backend_native.h:69
ff_dnn_execute_layer_conv2d
int ff_dnn_execute_layer_conv2d(DnnOperand *operands, const int32_t *input_operand_indexes, int32_t output_operand_index, const void *parameters, NativeContext *ctx)
Execute the 2D Convolution Layer.
Definition: dnn_backend_native_layer_conv2d.c:187
int32_t
int32_t
Definition: audioconvert.c:56
ConvolutionalParams
Definition: dnn_backend_native_layer_conv2d.h:27
ConvolutionalParams::dilation
int32_t dilation
Definition: dnn_backend_native_layer_conv2d.h:31
ConvolutionalParams::biases
float * biases
Definition: dnn_backend_native_layer_conv2d.h:34