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Open Source Computer Vision Library
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105 lines
3.3 KiB
105 lines
3.3 KiB
// 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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