106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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enum VideoBackendMode
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{
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MODE_CAMERA,
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MODE_STREAM,
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MODE_WRITER,
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};
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static
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void dumpBackendInfo(VideoCaptureAPIs backend, enum VideoBackendMode mode)
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{
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std::string name;
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try
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{
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name = videoio_registry::getBackendName(backend);
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}
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catch (const std::exception& e)
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{
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ADD_FAILURE() << "Can't query name of backend=" << backend << ": " << e.what();
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}
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catch (...)
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{
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ADD_FAILURE() << "Can't query name of backend=" << backend << ": unknown C++ exception";
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}
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bool isBuiltIn = true;
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try
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{
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isBuiltIn = videoio_registry::isBackendBuiltIn(backend);
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}
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catch (const std::exception& e)
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{
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ADD_FAILURE() << "Failed isBackendBuiltIn(backend=" << backend << "): " << e.what();
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cout << name << " - UNKNOWN TYPE" << endl;
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return;
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}
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if (isBuiltIn)
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{
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cout << name << " - BUILTIN" << endl;
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return;
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}
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std::string description = "NO_DESCRIPTION";
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int version_ABI = 0;
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int version_API = 0;
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try
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{
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if (mode == MODE_CAMERA)
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description = videoio_registry::getCameraBackendPluginVersion(backend, version_ABI, version_API);
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else if (mode == MODE_STREAM)
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description = videoio_registry::getStreamBackendPluginVersion(backend, version_ABI, version_API);
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else if (mode == MODE_WRITER)
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description = videoio_registry::getWriterBackendPluginVersion(backend, version_ABI, version_API);
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else
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CV_Error(Error::StsInternal, "");
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cout << name << " - PLUGIN (" << description << ") ABI=" << version_ABI << " API=" << version_API << endl;
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return;
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}
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catch (const cv::Exception& e)
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{
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if (e.code == Error::StsNotImplemented)
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{
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cout << name << " - PLUGIN - NOT LOADED" << endl;
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return;
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}
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ADD_FAILURE() << "Failed getBackendPluginDescription(backend=" << backend << "): " << e.what();
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}
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catch (const std::exception& e)
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{
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ADD_FAILURE() << "Failed getBackendPluginDescription(backend=" << backend << "): " << e.what();
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}
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cout << name << " - PLUGIN (ERROR on quering information)" << endl;
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}
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TEST(VideoIO_Plugins, query)
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{
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const std::vector<cv::VideoCaptureAPIs> camera_backends = cv::videoio_registry::getCameraBackends();
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cout << "== Camera APIs (" << camera_backends.size() << "):" << endl;
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for (auto backend : camera_backends)
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{
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dumpBackendInfo(backend, MODE_CAMERA);
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}
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const std::vector<cv::VideoCaptureAPIs> stream_backends = cv::videoio_registry::getStreamBackends();
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cout << "== Stream capture APIs (" << stream_backends.size() << "):" << endl;
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for (auto backend : stream_backends)
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{
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dumpBackendInfo(backend, MODE_STREAM);
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}
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const std::vector<cv::VideoCaptureAPIs> writer_backends = cv::videoio_registry::getWriterBackends();
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cout << "== Writer APIs (" << writer_backends.size() << "):" << endl;
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for (auto backend : writer_backends)
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{
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dumpBackendInfo(backend, MODE_WRITER);
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}
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}
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}}
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