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Documentation

Index

• func FirstFrame(path string, maxw, maxh int, s ScalerAlgorithm) (image.Image, error)
• func FirstFrameJPEG(path string, maxw, maxh int, s ScalerAlgorithm) ([]byte, error)
• type ScalerAlgorithm
• type Size
  • func ProbeSize(path string) (*Size, error)

Functions

func FirstFrame

func FirstFrame(path string, maxw, maxh int, s ScalerAlgorithm) (image.Image, error)

FirstFrame gets the roughly-resized first frame.

func FirstFrameJPEG

func FirstFrameJPEG(path string, maxw, maxh int, s ScalerAlgorithm) ([]byte, error)

FirstFrameJPEG gets the roughly-resized first frame in raw JPEG bytes.

Types

type ScalerAlgorithm

type ScalerAlgorithm string

const (
	// LanczosScaler is a decently fast, sharp and smooth rescaler algorithm.
	LanczosScaler ScalerAlgorithm = "lanczos"
	// NeighborScaler is a rough but very fast rescaler algorithm.
	NeighborScaler ScalerAlgorithm = "neighbor"
)

type Size

type Size struct {
	Width  int
	Height int
}

func ProbeSize

func ProbeSize(path string) (*Size, error)