hls.js 是做什么的？
HLS.js 是一个 JavaScript 库，支持通过 MSE 在浏览器中播放 HLS 流。
HLS.js 是一个 JavaScript 库，支持通过 MSE 在浏览器中播放 HLS 流。
HLS.js 是一个用 JavaScript 编写的开源库，专为在浏览器中通过 Media Source Extensions (MSE) 播放 HTTP Live Streaming (HLS) 视频流而设计。它允许开发者在不依赖原生 HLS 支持的浏览器（如桌面版 Chrome、Firefox 和 Safari）中提供高质量的视频播放体验。该库支持多种 HLS 版本和特性，包括自适应比特率切换、清晰度选择、实时流和 VOD 支持。HLS.js 广泛适用于视频平台、直播应用和内容分发系统，通过简单的 API 集成即可在 Web 应用中实现强大的视频播放功能。其活跃的社区和持续的维护确保了与现代浏览器和 HLS 规范的兼容性。
npx skills add video-dev/hls.jsHLS.js 是一个 JavaScript 库，支持通过 MSE 在浏览器中播放 HLS 流。
Extract frames or short clips from videos using ffmpeg.
Summarize or transcribe URLs, YouTube/videos, podcasts, articles, transcripts, PDFs, and local files.
Use when testing, fixing, or extending the OpenClaw Control UI GUI with Vitest + Playwright end-to-end checks, mocked Gateway WebSocket flows, mocked dashboard runs, screenshots/videos, or agent-verifiable browser proof.
Obra superpowers agent skills.
See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio...
End-to-end marketing campaign planning and execution. Covers audience research, positioning, campaign angle definition, landing page copy, email sequences, social posts, ad copy, short-form video scripts, and content calendars. Use as the orchestration layer for multi-channel product launches. Use when planning or executing a multi-channel product launch, or producing landing page, email, social, or ad copy.