capture

Documentation

Index

• type ExtractRequest
• type ExtractResponse
• type Middleware
  • func InstrumentingMiddleware(extracts, overlays metrics.Counter) Middleware
  • func LoggingMiddleware(logger log.Logger) Middleware
• type OverlayImageRequest
• type Service
  • func NewService(logger log.Logger, extracts, overlays metrics.Counter) Service
• type VideoCaptureService
  • func New() VideoCaptureService
  • func (s VideoCaptureService) AddOverlay(request OverlayImageRequest) (ExtractResponse, error)
  • func (s VideoCaptureService) Extract(ctx context.Context, request ExtractRequest) (ExtractResponse, error)

Types

type ExtractRequest

type ExtractRequest struct {
	Video  []byte
	Name   string
	Time   int64
	Width  int32
	Height int32
}

type ExtractResponse

type ExtractResponse struct {
	Data []byte
}

type Middleware

type Middleware func(Service) Service

Middleware describes a service (as opposed to endpoint) middleware.

func InstrumentingMiddleware

func InstrumentingMiddleware(extracts, overlays metrics.Counter) Middleware

InstrumentingMiddleware returns a service middleware that instruments the number of integers summed and characters concatenated over the lifetime of the service.

func LoggingMiddleware

func LoggingMiddleware(logger log.Logger) Middleware

LoggingMiddleware takes a logger as a dependency and returns a ServiceMiddleware.

type OverlayImageRequest

type OverlayImageRequest struct {
	Original []byte
	Overlay  []byte
	X, Y     int32
}

type Service

type Service interface {
	Extract(context.Context, ExtractRequest) (ExtractResponse, error)
	AddOverlay(request OverlayImageRequest) (ExtractResponse, error)
}

func NewService

func NewService(logger log.Logger, extracts, overlays metrics.Counter) Service

type VideoCaptureService

type VideoCaptureService struct {
}

VideoCaptureService expose funcions for video.

func New

func New() VideoCaptureService

func (VideoCaptureService) AddOverlay

func (s VideoCaptureService) AddOverlay(request OverlayImageRequest) (ExtractResponse, error)

func (VideoCaptureService) Extract

func (s VideoCaptureService) Extract(ctx context.Context, request ExtractRequest) (ExtractResponse, error)

Extract extract an image from a video.