feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试 2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程 3.重整权利声明文件，重整代码工程，确保最小化侵权风险 Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
2022-05-10 09:54:44 +08:00
parent ecdd171c6f
commit 718c41634f
10018 changed files with 3593797 additions and 186748 deletions
--- a/3rdparty/opencv-4.5.4/modules/videoio/test/test_plugins.cpp
+++ b/3rdparty/opencv-4.5.4/modules/videoio/test/test_plugins.cpp
@ -0,0 +1,105 @@
+// 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.
+
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+enum VideoBackendMode
+{
+    MODE_CAMERA,
+    MODE_STREAM,
+    MODE_WRITER,
+};
+
+static
+void dumpBackendInfo(VideoCaptureAPIs backend, enum VideoBackendMode mode)
+{
+    std::string name;
+    try
+    {
+        name = videoio_registry::getBackendName(backend);
+    }
+    catch (const std::exception& e)
+    {
+        ADD_FAILURE() << "Can't query name of backend=" << backend << ": " << e.what();
+    }
+    catch (...)
+    {
+        ADD_FAILURE() << "Can't query name of backend=" << backend << ": unknown C++ exception";
+    }
+    bool isBuiltIn = true;
+    try
+    {
+        isBuiltIn = videoio_registry::isBackendBuiltIn(backend);
+    }
+    catch (const std::exception& e)
+    {
+        ADD_FAILURE() << "Failed isBackendBuiltIn(backend=" << backend << "): " << e.what();
+        cout << name << " - UNKNOWN TYPE" << endl;
+        return;
+    }
+    if (isBuiltIn)
+    {
+        cout << name << " - BUILTIN" << endl;
+        return;
+    }
+
+    std::string description = "NO_DESCRIPTION";
+    int version_ABI = 0;
+    int version_API = 0;
+    try
+    {
+        if (mode == MODE_CAMERA)
+            description = videoio_registry::getCameraBackendPluginVersion(backend, version_ABI, version_API);
+        else if (mode == MODE_STREAM)
+            description = videoio_registry::getStreamBackendPluginVersion(backend, version_ABI, version_API);
+        else if (mode == MODE_WRITER)
+            description = videoio_registry::getWriterBackendPluginVersion(backend, version_ABI, version_API);
+        else
+            CV_Error(Error::StsInternal, "");
+        cout << name << " - PLUGIN (" << description << ") ABI=" << version_ABI << " API=" << version_API << endl;
+        return;
+    }
+    catch (const cv::Exception& e)
+    {
+        if (e.code == Error::StsNotImplemented)
+        {
+            cout << name << " - PLUGIN - NOT LOADED" << endl;
+            return;
+        }
+        ADD_FAILURE() << "Failed getBackendPluginDescription(backend=" << backend << "): " << e.what();
+    }
+    catch (const std::exception& e)
+    {
+        ADD_FAILURE() << "Failed getBackendPluginDescription(backend=" << backend << "): " << e.what();
+    }
+    cout << name << " - PLUGIN (ERROR on quering information)" << endl;
+}
+
+TEST(VideoIO_Plugins, query)
+{
+    const std::vector<cv::VideoCaptureAPIs> camera_backends = cv::videoio_registry::getCameraBackends();
+    cout << "== Camera APIs (" << camera_backends.size() << "):" << endl;
+    for (auto backend : camera_backends)
+    {
+        dumpBackendInfo(backend, MODE_CAMERA);
+    }
+
+    const std::vector<cv::VideoCaptureAPIs> stream_backends = cv::videoio_registry::getStreamBackends();
+    cout << "== Stream capture APIs (" << stream_backends.size() << "):" << endl;
+    for (auto backend : stream_backends)
+    {
+        dumpBackendInfo(backend, MODE_STREAM);
+    }
+
+    const std::vector<cv::VideoCaptureAPIs> writer_backends = cv::videoio_registry::getWriterBackends();
+    cout << "== Writer APIs (" << writer_backends.size() << "):" << endl;
+    for (auto backend : writer_backends)
+    {
+        dumpBackendInfo(backend, MODE_WRITER);
+    }
+}
+
+}}