FFmpeg
dnn_interface.c
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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  * Implements DNN module initialization with specified backend.
24  */
25 
26 #include "../dnn_interface.h"
27 #include "dnn_backend_native.h"
28 #include "dnn_backend_tf.h"
29 #include "dnn_backend_openvino.h"
30 #include "libavutil/mem.h"
31 
33 {
34  DNNModule *dnn_module;
35 
36  dnn_module = av_malloc(sizeof(DNNModule));
37  if(!dnn_module){
38  return NULL;
39  }
40 
41  switch(backend_type){
42  case DNN_NATIVE:
43  dnn_module->load_model = &ff_dnn_load_model_native;
45  dnn_module->free_model = &ff_dnn_free_model_native;
46  break;
47  case DNN_TF:
48  #if (CONFIG_LIBTENSORFLOW == 1)
49  dnn_module->load_model = &ff_dnn_load_model_tf;
51  dnn_module->free_model = &ff_dnn_free_model_tf;
52  #else
53  av_freep(&dnn_module);
54  return NULL;
55  #endif
56  break;
57  case DNN_OV:
58  #if (CONFIG_LIBOPENVINO == 1)
59  dnn_module->load_model = &ff_dnn_load_model_ov;
61  dnn_module->free_model = &ff_dnn_free_model_ov;
62  #else
63  av_freep(&dnn_module);
64  return NULL;
65  #endif
66  break;
67  default:
68  av_log(NULL, AV_LOG_ERROR, "Module backend_type is not native or tensorflow\n");
69  av_freep(&dnn_module);
70  return NULL;
71  }
72 
73  return dnn_module;
74 }
#define NULL
Definition: coverity.c:32
void(* free_model)(DNNModel **model)
Definition: dnn_interface.h:73
Memory handling functions.
DNNModel *(* load_model)(const char *model_filename, const char *options, void *userdata)
Definition: dnn_interface.h:68
DNN inference functions interface for native backend.
#define av_malloc(s)
DNNReturnType(* execute_model)(const DNNModel *model, const char *input_name, AVFrame *in_frame, const char **output_names, uint32_t nb_output, AVFrame *out_frame)
Definition: dnn_interface.h:70
DNNReturnType ff_dnn_execute_model_tf(const DNNModel *model, const char *input_name, AVFrame *in_frame, const char **output_names, uint32_t nb_output, AVFrame *out_frame)
DNN inference functions interface for TensorFlow backend.
DNNBackendType
Definition: dnn_interface.h:34
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
DNNReturnType ff_dnn_execute_model_ov(const DNNModel *model, const char *input_name, AVFrame *in_frame, const char **output_names, uint32_t nb_output, AVFrame *out_frame)
void ff_dnn_free_model_native(DNNModel **model)
void ff_dnn_free_model_ov(DNNModel **model)
DNNModule * ff_get_dnn_module(DNNBackendType backend_type)
Definition: dnn_interface.c:32
DNN inference functions interface for OpenVINO backend.
void ff_dnn_free_model_tf(DNNModel **model)
DNNModel * ff_dnn_load_model_tf(const char *model_filename, const char *options, void *userdata)
DNNModel * ff_dnn_load_model_ov(const char *model_filename, const char *options, void *userdata)
DNNReturnType ff_dnn_execute_model_native(const DNNModel *model, const char *input_name, AVFrame *in_frame, const char **output_names, uint32_t nb_output, AVFrame *out_frame)
#define av_freep(p)
DNNModel * ff_dnn_load_model_native(const char *model_filename, const char *options, void *userdata)