filter

Documentation

Index

• type Expr
• type Filter
• type Filters
  • func (filters Filters) Params() (params []string)
  • func (filters Filters) String() string
• type MultiFilter
  • func ASplit(n int) *MultiFilter
  • func Split(n int) *MultiFilter
  • func (s *MultiFilter) Name(_ stream.PosFrom) string
  • func (s *MultiFilter) S(i int) stream.Streamer
  • func (s *MultiFilter) String() string
  • func (s *MultiFilter) Use(streams ...stream.Streamer) *MultiFilter
• type Numb
• type SingleFilter
  • func ADelay(delays float32) *SingleFilter
  • func AMix(inputs int32) *SingleFilter
  • func ANullSrc(duration float32) *SingleFilter
  • func ASetPTS(expr string) *SingleFilter
  • func ATempo[T constraints.Integer | constraints.Float | string](expr T) *SingleFilter
  • func Chromakey(color string, similarity, blend float32) *SingleFilter
  • func Color(c string, w, h int32, d float32) *SingleFilter
  • func Crop[T Expr](x, y, w, h T) *SingleFilter
  • func Delogo[T Numb](x, y, w, h T) *SingleFilter
  • func Delogo_Old(x, y, w, h int32) *SingleFilter
  • func FPS[N, D constraints.Integer | constraints.Float](fps *math.Rational[N, D]) *SingleFilter
  • func Loudnorm(i, tp int32) *SingleFilter
  • func Overlay[T Expr](dx, dy T) *SingleFilter
  • func OverlayWithEnable[T Expr](dx, dy T, enable string) *SingleFilter
  • func OverlayWithTime[T Expr](dx, dy T, t float32) *SingleFilter
  • func Scale[T Expr](w, h T) *SingleFilter
  • func Select(expr string) *SingleFilter
  • func SetPTS(expr string) *SingleFilter
  • func Tile(xlen, ylen int32) *SingleFilter
  • func Trim(s, e float32) *SingleFilter
  • func (s *SingleFilter) Name(_ stream.PosFrom) string
  • func (s *SingleFilter) S() stream.Streamer
  • func (s *SingleFilter) String() string
  • func (s *SingleFilter) Use(streams ...stream.Streamer) *SingleFilter

Types

type Expr

type Expr interface {
	Numb | ~string
}

type Filter

type Filter interface {
	stream.Streamer
	String() string
}

type Filters

type Filters []Filter

func (Filters) Params

func (filters Filters) Params() (params []string)

func (Filters) String

func (filters Filters) String() string

type MultiFilter

type MultiFilter struct {
	// contains filtered or unexported fields
}

多输出滤镜

func ASplit

func ASplit(n int) *MultiFilter

音频流复制成多份

func Split

func Split(n int) *MultiFilter

视频流复制成多份

func (*MultiFilter) Name

func (s *MultiFilter) Name(_ stream.PosFrom) string

func (*MultiFilter) S

func (s *MultiFilter) S(i int) stream.Streamer

选择一个

func (*MultiFilter) String

func (s *MultiFilter) String() string

func (*MultiFilter) Use

func (s *MultiFilter) Use(streams ...stream.Streamer) *MultiFilter

type Numb

type Numb interface {
	~int32 | ~int
}

type SingleFilter

type SingleFilter struct {
	// contains filtered or unexported fields
}

单输出滤镜

func ADelay

func ADelay(delays float32) *SingleFilter

func AMix

func AMix(inputs int32) *SingleFilter

func ANullSrc

func ANullSrc(duration float32) *SingleFilter

func ASetPTS

func ASetPTS(expr string) *SingleFilter

音频帧显示时间戳

func ATempo

func ATempo[T constraints.Integer | constraints.Float | string](expr T) *SingleFilter

音频倍速

func Chromakey

func Chromakey(color string, similarity, blend float32) *SingleFilter

绿幕抠像

func Color

func Color(c string, w, h int32, d float32) *SingleFilter

创建一个底版

func Crop

func Crop[T Expr](x, y, w, h T) *SingleFilter

裁切

func Delogo

func Delogo[T Numb](x, y, w, h T) *SingleFilter

遮标

func Delogo_Old

func Delogo_Old(x, y, w, h int32) *SingleFilter

Deprecated: 擦除logo

func FPS

func FPS[N, D constraints.Integer | constraints.Float](fps *math.Rational[N, D]) *SingleFilter

func Loudnorm

func Loudnorm(i, tp int32) *SingleFilter

func Overlay

func Overlay[T Expr](dx, dy T) *SingleFilter

一个图像覆盖另一个图像

func OverlayWithEnable

func OverlayWithEnable[T Expr](dx, dy T, enable string) *SingleFilter

一个图像覆盖另一个图像（可激活某一时间段）

func OverlayWithTime

func OverlayWithTime[T Expr](dx, dy T, t float32) *SingleFilter

func Scale

func Scale[T Expr](w, h T) *SingleFilter

缩放

func Select

func Select(expr string) *SingleFilter

func SetPTS

func SetPTS(expr string) *SingleFilter

视频帧显示时间戳

func Tile

func Tile(xlen, ylen int32) *SingleFilter

func Trim

func Trim(s, e float32) *SingleFilter

截取某一时间段

func (*SingleFilter) Name

func (s *SingleFilter) Name(_ stream.PosFrom) string

func (*SingleFilter) S

func (s *SingleFilter) S() stream.Streamer

func (*SingleFilter) String

func (s *SingleFilter) String() string

func (*SingleFilter) Use

func (s *SingleFilter) Use(streams ...stream.Streamer) *SingleFilter