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OpenCV/バージョン

OpenCV 3.4.2

Top / OpenCV 3.4.2

videoio: backends priority list

• https://github.com/opencv/opencv/commit/cd9e43704e0082c0fdd4bdef2d2631daa531fe2e#diff-025219446785708058c4098c73ac3067

cv::videoio_registry

• cv::VideoBackendRegistry::getAvailableBackends_CaptureByFilename?
• cv::VideoBackendRegistry::getAvailableBackends_CaptureByIndex
• cv::VideoBackendRegistry::getAvailableBackends_Writer?

Enabled MSMF-based VideoIO by default

• WITH_MSMF:ON
• https://github.com/opencv/opencv/commit/628f04ae967fca2426471f45628a6b39f50cebd6