FFmpeg
dnn_backend_native_layer_avgpool.h
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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{
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 DNN_ERROR if the execution fails
64  */
65 int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_operand_indexes,
66  int32_t output_operand_index, const void *parameters, NativeContext *ctx);
67 
68 #endif
ff_dnn_load_layer_avg_pool
int ff_dnn_load_layer_avg_pool(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
Load Average Pooling Layer.
Definition: dnn_backend_native_layer_avgpool.c:29
ff_dnn_execute_layer_avg_pool
int ff_dnn_execute_layer_avg_pool(DnnOperand *operands, const int32_t *input_operand_indexes, int32_t output_operand_index, const void *parameters, NativeContext *ctx)
Execute the Average Pooling Layer.
Definition: dnn_backend_native_layer_avgpool.c:58
AvgPoolParams::strides
int32_t strides
Definition: dnn_backend_native_layer_avgpool.h:32
AvgPoolParams::kernel_size
int32_t kernel_size
Definition: dnn_backend_native_layer_avgpool.h:32
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AVIOContext
Bytestream IO Context.
Definition: avio.h:161
NativeContext
Definition: dnn_backend_native.h:116
Layer
Definition: dnn_backend_native.h:56
DNNPaddingParam
DNNPaddingParam
Definition: dnn_backend_native.h:53
dnn_backend_native.h
AvgPoolParams::padding_method
DNNPaddingParam padding_method
Definition: dnn_backend_native_layer_avgpool.h:33
DnnOperand
Definition: dnn_backend_native.h:68
AvgPoolParams
Definition: dnn_backend_native_layer_avgpool.h:31
int32_t
int32_t
Definition: audioconvert.c:56