PeerTube/shared/ffmpeg/ffmpeg-images.ts

60 lines
1.4 KiB
TypeScript

import { FFmpegCommandWrapper, FFmpegCommandWrapperOptions } from './ffmpeg-command-wrapper'
export class FFmpegImage {
private readonly commandWrapper: FFmpegCommandWrapper
constructor (options: FFmpegCommandWrapperOptions) {
this.commandWrapper = new FFmpegCommandWrapper(options)
}
convertWebPToJPG (options: {
path: string
destination: string
}): Promise<void> {
const { path, destination } = options
this.commandWrapper.buildCommand(path)
.output(destination)
return this.commandWrapper.runCommand({ silent: true })
}
processGIF (options: {
path: string
destination: string
newSize: { width: number, height: number }
}): Promise<void> {
const { path, destination, newSize } = options
this.commandWrapper.buildCommand(path)
.fps(20)
.size(`${newSize.width}x${newSize.height}`)
.output(destination)
return this.commandWrapper.runCommand()
}
async generateThumbnailFromVideo (options: {
fromPath: string
folder: string
imageName: string
}) {
const { fromPath, folder, imageName } = options
const pendingImageName = 'pending-' + imageName
const thumbnailOptions = {
filename: pendingImageName,
count: 1,
folder
}
return new Promise<string>((res, rej) => {
this.commandWrapper.buildCommand(fromPath)
.on('error', rej)
.on('end', () => res(imageName))
.thumbnail(thumbnailOptions)
})
}
}