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3rdparty/opencv-4.5.4/modules/gapi/src/streaming/onevpl/source.cpp 1.66 KB
f4334277   Hu Chunming   提交3rdparty
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  // This file is part of OpenCV project.
  // It is subject to the license terms in the LICENSE file found in the top-level directory
  // of this distribution and at http://opencv.org/license.html.
  //
  // Copyright (C) 2021 Intel Corporation
  
  #include <opencv2/gapi/streaming/onevpl/source.hpp>
  
  #include "streaming/onevpl/source_priv.hpp"
  #include "streaming/onevpl/file_data_provider.hpp"
  namespace cv {
  namespace gapi {
  namespace wip {
  namespace onevpl {
  
  #ifdef HAVE_ONEVPL
  GSource::GSource(const std::string& filePath, const CfgParams& cfg_params) :
      GSource(std::unique_ptr<Priv>(new GSource::Priv(std::make_shared<FileDataProvider>(filePath),
                                                      cfg_params))) {
  
      if (filePath.empty()) {
          util::throw_error(std::logic_error("Cannot create 'GSource' on empty source file name"));
      }
  }
  
  GSource::GSource(std::shared_ptr<IDataProvider> source, const CfgParams& cfg_params) :
       GSource(std::unique_ptr<Priv>(new GSource::Priv(source, cfg_params))) {
  }
  #else
  GSource::GSource(const std::string&, const CfgParams&) {
      GAPI_Assert(false && "Unsupported: G-API compiled without `WITH_GAPI_ONEVPL=ON`");
  }
  
  GSource::GSource(std::shared_ptr<IDataProvider>, const CfgParams&) {
      GAPI_Assert(false && "Unsupported: G-API compiled without `WITH_GAPI_ONEVPL=ON`");
  }
  #endif
  
  GSource::GSource(std::unique_ptr<Priv>&& impl) :
      IStreamSource(),
      m_priv(std::move(impl)) {
  }
  
  GSource::~GSource() = default;
  
  bool GSource::pull(cv::gapi::wip::Data& data)
  {
      return m_priv->pull(data);
  }
  
  GMetaArg GSource::descr_of() const
  {
      return m_priv->descr_of();
  }
  } // namespace onevpl
  } // namespace wip
  } // namespace gapi
  } // namespace cv