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cv::VideoWriter

VideoWriter::open

Top / VideoWriter::open

OpenCV 3.3で変更 (apiPreferenceが追加)

• bool VideoWriter::open(const String& filename, int _fourcc, double fps, Size frameSize, bool isColor)
• bool VideoWriter::open(const String& filename, int apiPreference, int _fourcc, double fps, Size frameSize, bool isColor)

呼び出し

OpenCV 4.1

• Dynamically loaded videoio backends (FFmpeg, GStreamer)
  • https://github.com/opencv/opencv/pull/13677

• cv::VideoBackendRegistry::getAvailableBackends_Writer?
• cv::IBackend::createWriter?

OpenCV 3.4.2～OpenCV 4.0

• cv::VideoBackendRegistry::getAvailableBackends_Writer?
• VideoWriter_create

OpenCV 3.3～OpenCV 3.4.1

• IVideoWriter_create
  • VideoWriter_IntelMFX::create?
  • createMotionJpegWriter?
• cvCreateVideoWriterWithPreference

OpenCV 3.0～OpenCV 3.2

• IVideoWriter_create
  • createMotionJpegWriter?
• cvCreateVideoWriter

OpenCV 2.0～OpenCV 2.4.13

• cvCreateVideoWriter

関連

• VideoCapture::open