点阵完成，加入opencv

3rdpart/OpenCV/include/opencv2/gapi/streaming/queue_source.hpp

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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) 2023 Intel Corporation
+
+#ifndef OPENCV_GAPI_STREAMING_QUEUE_SOURCE_HPP
+#define OPENCV_GAPI_STREAMING_QUEUE_SOURCE_HPP
+
+#include <memory>                      // shared_ptr
+#include <type_traits>                 // is_base_of
+
+#include <opencv2/gapi/garg.hpp>       // GRunArgs
+#include <opencv2/gapi/gmetaarg.hpp>   // GMetaArg + all descr_of
+#include <opencv2/gapi/streaming/source.hpp> // IStreamSource
+
+namespace cv {
+namespace gapi {
+namespace wip {
+struct Data; // fwd-declare to avoid circular? header dependencies
+
+class GAPI_EXPORTS QueueSourceBase: public cv::gapi::wip::IStreamSource {
+    class Priv;
+    std::shared_ptr<Priv> m_priv;
+    // FIXME: Need to understand how it works with IStreamSource's shared_from_this
+    // Can we avoid having too many shared_ptrs here?
+
+public:
+    explicit QueueSourceBase(const cv::GMetaArg &m);
+    void push(Data &&data);
+    virtual bool pull(Data &data) override;
+    virtual void halt() override;
+    virtual GMetaArg descr_of() const override;
+    virtual ~QueueSourceBase() = default;
+};
+
+/**
+ * @brief Queued streaming pipeline source.
+ *
+ */
+template<class T>
+class QueueSource final: public QueueSourceBase
+{
+public:
+    using Meta = decltype(cv::descr_of(T{}));
+    explicit QueueSource(Meta m) : QueueSourceBase(GMetaArg{m}) {
+    }
+    void push(T t) {
+        QueueSourceBase::push(Data{t});
+    }
+};
+
+class GAPI_EXPORTS QueueInput {
+    std::vector<std::shared_ptr<QueueSourceBase> > m_sources;
+
+public:
+    explicit QueueInput(const cv::GMetaArgs &args);
+
+    void push(cv::GRunArgs &&ins);
+    operator cv::GRunArgs();
+};
+
+} // namespace wip
+} // namespace gapi
+} // namespace cv
+
+#endif // OPENCV_GAPI_STREAMING_SOURCE_HPP