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 "libavutil/mem.h"
30 
32 {
33  DNNModule *dnn_module;
34 
35  dnn_module = av_malloc(sizeof(DNNModule));
36  if(!dnn_module){
37  return NULL;
38  }
39 
40  switch(backend_type){
41  case DNN_NATIVE:
42  dnn_module->load_model = &ff_dnn_load_model_native;
44  dnn_module->free_model = &ff_dnn_free_model_native;
45  break;
46  case DNN_TF:
47  #if (CONFIG_LIBTENSORFLOW == 1)
48  dnn_module->load_model = &ff_dnn_load_model_tf;
50  dnn_module->free_model = &ff_dnn_free_model_tf;
51  #else
52  av_freep(&dnn_module);
53  return NULL;
54  #endif
55  break;
56  default:
57  av_log(NULL, AV_LOG_ERROR, "Module backend_type is not native or tensorflow\n");
58  av_freep(&dnn_module);
59  return NULL;
60  }
61 
62  return dnn_module;
63 }
#define NULL
Definition: coverity.c:32
void(* free_model)(DNNModel **model)
Definition: dnn_interface.h:63
Memory handling functions.
DNN inference functions interface for native backend.
DNNModel * ff_dnn_load_model_tf(const char *model_filename)
DNNModel *(* load_model)(const char *model_filename)
Definition: dnn_interface.h:59
#define av_malloc(s)
DNN inference functions interface for TensorFlow backend.
DNNBackendType
Definition: dnn_interface.h:33
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
DNNReturnType ff_dnn_execute_model_native(const DNNModel *model, DNNData *outputs, uint32_t nb_output)
void ff_dnn_free_model_native(DNNModel **model)
DNNReturnType ff_dnn_execute_model_tf(const DNNModel *model, DNNData *outputs, uint32_t nb_output)
DNNModule * ff_get_dnn_module(DNNBackendType backend_type)
Definition: dnn_interface.c:31
DNNReturnType(* execute_model)(const DNNModel *model, DNNData *outputs, uint32_t nb_output)
Definition: dnn_interface.h:61
void ff_dnn_free_model_tf(DNNModel **model)
DNNModel * ff_dnn_load_model_native(const char *model_filename)
#define av_freep(p)