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VideoCaptureRetrieve Method (OutputArray, Int32)

Decodes and returns the grabbed video frame. The method decodes and returns the just grabbed frame. If no frames has been grabbed (camera has been disconnected, or there are no more frames in video file), the method returns false and the function returns an empty image (with %cv::Mat, test it with Mat::empty()).

Namespace:  OpenCvSharp
Assembly:  OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0
Syntax
public bool Retrieve(
	OutputArray image,
	int flag = 0
)

Parameters

image
Type: OpenCvSharpOutputArray
the video frame is returned here. If no frames has been grabbed the image will be empty.
flag (Optional)
Type: SystemInt32
it could be a frame index or a driver specific flag

Return Value

Type: Boolean

[Missing <returns> documentation for "M:OpenCvSharp.VideoCapture.Retrieve(OpenCvSharp.OutputArray,System.Int32)"]

See Also