/* * Copyright (c) 2018 Sergey Lavrushkin * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * Implements DNN module initialization with specified backend. */ #include "../dnn_interface.h"#include "dnn_backend_native.h"#include "dnn_backend_tf.h"#include "libavutil/mem.h" DNNModule *ff_get_dnn_module(DNNBackendType backend_type){    DNNModule *dnn_module;     dnn_module = av_malloc(sizeof(DNNModule));    if(!dnn_module){        return NULL;    }     switch(backend_type){    case DNN_NATIVE:        dnn_module->load_model = &ff_dnn_load_model_native;        dnn_module->execute_model = &ff_dnn_execute_model_native;        dnn_module->free_model = &ff_dnn_free_model_native;        break;    case DNN_TF:    #if (CONFIG_LIBTENSORFLOW == 1)        dnn_module->load_model = &ff_dnn_load_model_tf;        dnn_module->execute_model = &ff_dnn_execute_model_tf;        dnn_module->free_model = &ff_dnn_free_model_tf;    #else        av_freep(&dnn_module);        return NULL;    #endif        break;    default:        av_log(NULL, AV_LOG_ERROR, "Module backend_type is not native or tensorflow\n");        av_freep(&dnn_module);        return NULL;    }     return dnn_module;}