FFmpeg
dnn_backend_native_layer_depth2space.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 /**
22  * @file
23  * DNN inference functions interface for native backend.
24  */
25 
26 
27 #ifndef AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_DEPTH2SPACE_H
28 #define AVFILTER_DNN_DNN_BACKEND_NATIVE_LAYER_DEPTH2SPACE_H
29 
30 #include "../dnn_interface.h"
31 #include "libavformat/avio.h"
32 
33 typedef struct DepthToSpaceParams{
36 
37 /**
38  * @brief Load the Depth to Space Layer.
39  *
40  * It assigns the depth to space layer with DepthToSpaceParams
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 an error occurs or out of memory
51  */
52 int ff_dnn_load_layer_depth2space(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num);
53 
54 /**
55  * @brief Execute the Depth to Space Layer.
56  *
57  * It rearranges the input data from depth into spatial
58  * form by applying Depth to Space transformation.
59  *
60  * @param operands all operands for the model
61  * @param input_operand_indexes input operand indexes for this layer
62  * @param output_operand_index output operand index for this layer
63  * @param parameters depth to space layer parameters
64  * @param ctx pointer to Native model context for logging
65  * @retval 0 if the execution succeeds
66  * @retval DNN_ERROR if the execution fails
67  */
68 int ff_dnn_execute_layer_depth2space(DnnOperand *operands, const int32_t *input_operand_indexes,
69  int32_t output_operand_index, const void *parameters, NativeContext *ctx);
70 
71 #endif
ff_dnn_load_layer_depth2space
int ff_dnn_load_layer_depth2space(Layer *layer, AVIOContext *model_file_context, int file_size, int operands_num)
Load the Depth to Space Layer.
Definition: dnn_backend_native_layer_depth2space.c:29
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
avio.h
DepthToSpaceParams
Definition: dnn_backend_native_layer_depth2space.h:33
DepthToSpaceParams::block_size
int block_size
Definition: dnn_backend_native_layer_depth2space.h:34
DnnOperand
Definition: dnn_backend_native.h:68
int32_t
int32_t
Definition: audioconvert.c:56
ff_dnn_execute_layer_depth2space
int ff_dnn_execute_layer_depth2space(DnnOperand *operands, const int32_t *input_operand_indexes, int32_t output_operand_index, const void *parameters, NativeContext *ctx)
Execute the Depth to Space Layer.
Definition: dnn_backend_native_layer_depth2space.c:51