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| <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { Readable } from 'node:stream' |
| |
| import { protocolRegexp } from './utils/regexp' |
| |
| export type InputSource = string | Readable |
| |
| export type InputOptions = { |
| source: InputSource |
| format?: string |
| fps?: 'native' | number |
| seek?: string | number |
| loop?: boolean |
| customArgs?: string[] |
| } |
| |
| export type InputDefinition = InputOptions | InputSource |
| |
| export class FfmpegInput implements InputOptions { |
| source: InputSource |
| format?: string |
| fps?: 'native' | number |
| seek?: string | number |
| loop?: boolean |
| customArgs: string[] |
| |
| constructor(options: InputDefinition) { |
| if (typeof options === 'string' || options instanceof Readable) { |
| options = { source: options } |
| } |
| |
| this.source = options.source |
| this.format = options.format |
| this.fps = options.fps |
| this.seek = options.seek |
| this.loop = options.loop |
| this.customArgs = options.customArgs || [] |
| } |
| |
| get isStream(): boolean { |
| return this.source instanceof Readable |
| } |
| |
| get isLocalFile(): boolean { |
| if (this.source instanceof Readable || this.format === 'lavfi') { |
| return false |
| } else { |
| let protocol = this.source.match(protocolRegexp) |
| return !protocol || protocol[1] === 'file' |
| } |
| } |
| |
| #getSourceString(): string { |
| if (typeof this.source === 'string') { |
| return this.source |
| } else { |
| return 'pipe:0' |
| } |
| } |
| |
| #getOptions(): string[] { |
| let options: string[] = [] |
| |
| if (this.format) { |
| options.push('-f', this.format) |
| } |
| |
| if (this.fps === 'native') { |
| options.push('-re') |
| } else if (this.fps) { |
| options.push('-r', this.fps.toString()) |
| } |
| |
| if (this.seek) { |
| options.push('-ss', this.seek.toString()) |
| } |
| |
| if (this.loop) { |
| options.push('-loop', '1') |
| } |
| |
| return options |
| } |
| |
| getFfmpegArguments(): string[] { |
| return [ |
| ...this.#getOptions(), |
| ...this.customArgs, |
| '-i', |
| this.#getSourceString() |
| ] |
| } |
| } |
| </pre></td></tr></table></pre> |
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| at 2023-11-17T09:02:42.005Z |
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