最終更新:2020-05-11 (月) 20:05:50 (136d)  

OpenCV/バックエンド
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OpenCV/modules/videoio/include/opencv2/videoio.hpp

クラス・関数

OpenCV/VideoCapture?

OpenCV/VideoWriter

モード

  • cv::BackendMode::MODE_CAPTURE_BY_INDEX?device index
    cv::BackendMode::MODE_CAPTURE_BY_FILENAME?filename or device path (v4l2)
    cv::BackendMode::MODE_WRITERwriter
    cv::BackendMode::MODE_CAPTURE_ALL?MODE_CAPTURE_BY_INDEX + MODE_CAPTURE_BY_FILENAME

一覧

主な変更点

OpenCV 4.1.0

OpenCV 4.0

OpenCV 3.4.4

  • WITH_VFWOFF (IF WIN32)(deprecated, consider using MSMF)

OpenCV 3.4.2

  • Enabled MSMF-based VideoIO by default
    WITH_MSMFON (IF WIN32)

OpenCV 3.3

OpenCV 3.2

OpenCV 3.1

OpenCV 2.3

  • FFmpeg bindings are now available for all Windows users via compiler- and configuration- and version-independent opencv_ffmpeg.dll (for 32-bit compilers) and opencv_ffmpeg_64.dll (for 64-bit compilers).

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