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ffmpeg-4.2.2/libavfilter/dnn_interface.c 1.89 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * 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;
  }