VideoCaptureOpen Method (String, VideoCaptureAPIs)

public bool Open(
	string fileName,
	VideoCaptureAPIs apiPreference = VideoCaptureAPIs.ANY
)

Public Function Open ( 
	fileName As String,
	Optional apiPreference As VideoCaptureAPIs = VideoCaptureAPIs.ANY
) As Boolean

public:
bool Open(
	String^ fileName, 
	VideoCaptureAPIs apiPreference = VideoCaptureAPIs::ANY
)

member Open : 
        fileName : string * 
        ?apiPreference : VideoCaptureAPIs 
(* Defaults:
        let _apiPreference = defaultArg apiPreference VideoCaptureAPIs.ANY
*)
-> bool 

Parameters

fileName

Type: SystemString
it can be: - name of video file (eg. `video.avi`) - or image sequence (eg. `img_%02d.jpg`, which will read samples like `img_00.jpg, img_01.jpg, img_02.jpg, ...`) - or URL of video stream (eg. `protocol://host:port/script_name?script_params|auth`). Note that each video stream or IP camera feed has its own URL scheme. Please refer to the documentation of source stream to know the right URL.

apiPreference (Optional)

Type: OpenCvSharpVideoCaptureAPIs
apiPreference preferred Capture API backends to use. Can be used to enforce a specific reader implementation if multiple are available: e.g. cv::CAP_FFMPEG or cv::CAP_IMAGES or cv::CAP_DSHOW.

Return Value

Reference