snapshot

package

v0.0.0-...-934acc1 Latest Latest Go to latest Published: Sep 15, 2021 License: MIT Imports: 3 Imported by: 0

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snapshot extracts image frames from a video stream.

This section is empty.

This section is empty.

func Match(fs webcam.FrameSize, w, h int) bool

Return true if frame size can accomodate request.

type Snapper struct {
	Timeout uint32
	Buffers uint32
	// contains filtered or unexported fields
}

func NewSnapper() *Snapper

NewSnapper creates a new Snapper.

func (c *Snapper) Close()

Close releases all current frames and shuts down the webcam.

func (c *Snapper) GetControl(id webcam.ControlID) (int32, error)

GetControl returns the current value of a camera control.

func (c *Snapper) Open(device string, format frame.FourCC, w, h int) (ret error)

Open initialises the webcam ready for use, and begins streaming.

func (c *Snapper) SetControl(id webcam.ControlID, value int32) error

SetControl sets the selected camera control.

func (c *Snapper) Snap() (frame.Frame, error)

Snap returns one frame from the camera.