Class EmbedSubtitlesClip

嵌入式字幕，将字幕（目前仅支持 SRT 格式）嵌入视频画面中

Example

const es = new EmbedSubtitlesClip(srtSubtitleStr, {
  videoWidth: 1280,
  videoHeight: 720,
  fontFamily: 'Noto Sans SC',
  color: 'white',
});

Implements

IClip

Index

Constructors

constructor

Properties

#ctx #cvs #lastVF #lineHeight #linePadding #meta #opts #subtitles ready

Accessors

Methods

#renderTxt #wrapText clone destroy split tick

Constructors

constructor

new EmbedSubtitlesClip(content, opts): EmbedSubtitlesClip
Parameters
- content: string | SubtitleStruct[]
- opts: IEmbedSubtitlesOpts
Returns EmbedSubtitlesClip
- Defined in av-cliper/src/clips/embed-subtitles-clip.ts:98

Properties

`Private` #ctx

#ctx: OffscreenCanvasRenderingContext2D

`Private` #cvs

#cvs: OffscreenCanvas

`Private` #lastVF

#lastVF: null | VideoFrame = null

`Private` #lineHeight

#lineHeight: number = 0

`Private` #linePadding

#linePadding: number = 0

`Private` #meta

#meta: {
    duration: number;
    height: number;
    width: number;
} = ...

Type declaration

duration: number
height: number
width: number

`Private` #opts

#opts: Required<IEmbedSubtitlesOpts> = ...

`Private` #subtitles

#subtitles: SubtitleStruct[] = []

ready

ready: Promise<IClipMeta>

当素材准备完成，ready 会切换到 resolved 状态

Accessors

Methods

`Private` #renderTxt

#renderTxt(txt): void
Parameters
- txt: string
Returns void
- Defined in av-cliper/src/clips/embed-subtitles-clip.ts:197

`Private` #wrapText

#wrapText(text, maxWidth): string[]
Parameters
- text: string
- maxWidth: number
Returns string[]
- Defined in av-cliper/src/clips/embed-subtitles-clip.ts:139

tick

tick(time): Promise<{
state: "success" | "done";
video?: VideoFrame;
}>
Parameters
- time: number
Returns Promise<{
state: "success" | "done";
video?: VideoFrame;
}>
See
IClip.tick
Implementation of IClip.tick
- Defined in av-cliper/src/clips/embed-subtitles-clip.ts:279

Class EmbedSubtitlesClip

Example

Implements

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns EmbedSubtitlesClip

Properties

Private #ctx

Private #cvs

Private #lastVF

Private #lineHeight

Private #linePadding

Private #meta

Type declaration

duration: number

height: number

width: number

Private #opts

Private #subtitles

ready

Accessors

meta

Returns { duration: number; height: number; width: number; }

duration: number

height: number

width: number

Methods

Private #renderTxt

Parameters

Returns void

Private #wrapText

Parameters

Returns string[]

clone

Returns Promise<EmbedSubtitlesClip>

See

destroy

Returns void

See

split

Parameters

Returns Promise<[EmbedSubtitlesClip, EmbedSubtitlesClip]>

See

tick

Parameters

Returns Promise<{ state: "success" | "done"; video?: VideoFrame; }>

See

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`Private` #ctx

`Private` #cvs

`Private` #lastVF

`Private` #lineHeight

`Private` #linePadding

`Private` #meta

`Private` #opts

`Private` #subtitles

Returns {
duration: number;
height: number;
width: number;
}

`Private` #renderTxt

`Private` #wrapText

Returns Promise<{
state: "success" | "done";
video?: VideoFrame;
}>