C# Class ZBar.Video

Mid-level video source abstraction. captures images from a video device

Inheritance: IDisposable

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Méthodes publiques

Méthode	Description
Close ( ) : void	Close the video device
Dispose ( ) : void	Release resources held by this object
NextFrame ( ) : Image	Retrieve next captured image This method blocks untill an image have been captured.
Open ( string device ) : void	Open and probe a video device.
RequestSize ( uint width, uint height ) : void	Request a other output image size The request may be adjusted or completely ignored by the driver.
Video ( ) : System	Create a video instance

Méthodes protégées

Méthode	Description
Dispose ( bool disposing ) : void	Dispose this object This boolean disposing parameter here ensures that objects with a finalizer is not disposed, this is method is invoked from the finalizer. Do overwrite, and call, this method in base classes if you use any unmanaged resources.

Private Methods

Méthode	Description
zbar_video_create ( ) : IntPtr
zbar_video_destroy ( IntPtr video ) : void
zbar_video_enable ( IntPtr video, int enable ) : int
zbar_video_get_fd ( IntPtr video ) : int
zbar_video_get_height ( IntPtr video ) : int
zbar_video_get_width ( IntPtr video ) : int
zbar_video_init ( IntPtr video, uint format ) : int
zbar_video_next_image ( IntPtr video ) : IntPtr
zbar_video_open ( IntPtr video, string device ) : int
zbar_video_request_interface ( IntPtr video, int version ) : int
zbar_video_request_iomode ( IntPtr video, int iomode ) : int
zbar_video_request_size ( IntPtr video, uint width, uint height ) : int

Method Details

Close() public méthode

Close the video device

public Close ( ) : void
Résultat	void

Dispose() public méthode

Release resources held by this object

public Dispose ( ) : void
Résultat	void

Dispose() protected méthode

Dispose this object

This boolean disposing parameter here ensures that objects with a finalizer is not disposed, this is method is invoked from the finalizer. Do overwrite, and call, this method in base classes if you use any unmanaged resources.

protected Dispose ( bool disposing ) : void
disposing	bool	/// A False if called from the finalizer, True if called from Dispose. ///
Résultat	void

NextFrame() public méthode

Retrieve next captured image

This method blocks untill an image have been captured.

public NextFrame ( ) : Image
Résultat	Image

Open() public méthode

Open and probe a video device.

public Open ( string device ) : void
device	string	/// The device specified by platform specific unique name (v4l device node path in *nix eg "/dev/video", DirectShow DevicePath property in windows). ///
Résultat	void

RequestSize() public méthode

Request a other output image size

The request may be adjusted or completely ignored by the driver.

public RequestSize ( uint width, uint height ) : void
width	uint	/// Desired output width ///
height	uint	/// Desired output height ///
Résultat	void

Video() public méthode

Create a video instance

public Video ( ) : System
Résultat	System