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karin-plugin-ffmpegrender

v0.0.3

Published

karin plugin template

Readme

karin-plugin-ffmpegrender

基于 ffmpeg 的 Karin 图片渲染器(渲染 ID:ffmpeg),通过 *.ffrender.json 描述图层合成并输出图片 base64。

功能

  • 图片渲染:本地图片 / http 图片 → base64
  • 轻量排版:图片 + 文字(drawtext)+ 简单布局
  • 模板渲染:支持 renderTpldata 注入),模板渲染后会生成到 @karinjs/temp/html/...

依赖

  • 需要可用的 ffmpeg(PATH 或配置 ffmpegPath
  • 如需文字渲染,建议配置 ffmpegFontFile(或使用自动探测的系统字体)

配置

文件:@karinjs/karin-plugin-ffmpegrender/config/config.json

{
  "ffmpegPath": "",
  "ffmpegFontFile": "",
  "ffmpegTimeoutMs": 30000,
  "ffmpegLogCommand": false
}

Demo 指令

  • #ffmpeg渲染:基础示例(resources/template/ffmpeg.ffrender.json
  • #ffmpeg排版:图片 + 文字 + 简易排版(resources/template/ffmpeg.card.ffrender.json

代码调用

const img = await render.render({
  file: '/abs/path/to/template.ffrender.json',
  type: 'png',
  data: { file: '/abs/path/to/bg.png' }
}, 'ffmpeg')

更多说明见:docs/ffmpeg-renderer.md