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
ff_get_dnn_module(DNNBackendType backend_type)32 DNNModule *ff_get_dnn_module(DNNBackendType backend_type)
33 {
34 DNNModule *dnn_module;
35
36 dnn_module = av_mallocz(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;
44 dnn_module->execute_model = &ff_dnn_execute_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;
50 dnn_module->execute_model = &ff_dnn_execute_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;
60 dnn_module->execute_model = &ff_dnn_execute_model_ov;
61 dnn_module->execute_model_async = &ff_dnn_execute_model_async_ov;
62 dnn_module->get_async_result = &ff_dnn_get_async_result_ov;
63 dnn_module->flush = &ff_dnn_flush_ov;
64 dnn_module->free_model = &ff_dnn_free_model_ov;
65 #else
66 av_freep(&dnn_module);
67 return NULL;
68 #endif
69 break;
70 default:
71 av_log(NULL, AV_LOG_ERROR, "Module backend_type is not native or tensorflow\n");
72 av_freep(&dnn_module);
73 return NULL;
74 }
75
76 return dnn_module;
77 }
78