Video Processing

Guide for using FFmpeg - a comprehensive multimedia framework for video/audio encoding, conversion, streaming, and filtering. Use when processing media files, converting formats, extracting audio, creating streams, applying filters, or optimizing video/audio quality.

Use when creating After Effects compositions, Premiere Pro motion, video titles, explainer videos, or broadcast motion graphics.

Automated video translation tool. Use when the user wants to translate English videos to Chinese (subtitles and/or dubbed audio). Supports generating SRT subtitles, AI voiceover dubbing, and merging them into the final video.

Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from YouTube. Also use when user wants to transcribe or get captions/subtitles from a YouTube video.

Download and transcribe videos from YouTube, Bilibili, TikTok and 1000+ platforms. Use when user requests video download, transcription (转录/字幕提取), or converting video to text/markdown. Supports quality selection, audio extraction, playlist downloads, cookie-based authentication, and AI-powered transcription via SiliconFlow API (免费转录).

Audio, video, and voice components for Composable Svelte. Use when implementing audio players, video embeds, or voice input. Covers AudioPlayer (Web Audio API), VideoEmbed (YouTube/Vimeo/Twitch), and VoiceInput (MediaRecorder) from @composable-svelte/media package.

Transform one piece of content into platform-optimized assets across LinkedIn, Twitter/X, Instagram, TikTok, and YouTube. Use when someone has existing content (blog post, newsletter, podcast, video) and wants to maximize distribution. Covers format specs, hook formulas, algorithm signals, and creator-tested patterns for each platform. Triggers on: repurpose this, turn this into social posts, atomize this content, create social content from, LinkedIn post from this, thread from this. Outputs platform-specific content ready to publish.

Run pytest test suite for the video processing pipeline with coverage analysis. Use when the user wants to run tests, check test coverage, validate code quality, or verify pipeline functionality.

Эксперт по видео-маркетингу. Используй для YouTube стратегий, видео-контента, Reels/TikTok и video SEO.

批量下载 B 站 UP 最近 N 条视频到 imports，并用 video_pipeline 生成证据包（适合 worker panes 并行跑）。

Generative UI implementation patterns for AI SDK RSC including server-side streaming components, dynamic UI generation, and client-server coordination. Use when implementing generative UI, building AI SDK RSC, creating streaming components, or when user mentions generative UI, React Server Components, dynamic UI, AI-generated interfaces, or server-side streaming.

This skill analyzes a git repository (local or remote) and automatically creates a professional 30-second explainer video featuring:

MiniMax API via curl. Use this skill for Chinese LLM chat, text-to-speech, and AI video generation.

裁剪视频片段，支持压缩、音频控制等选项。Use when user wants to 剪辑视频, 裁剪视频, 截取视频, 视频剪切, 切视频, trim video, cut video, clip video, extract video segment.

Find and evaluate AI tutorial videos for the curriculum. Use when searching for new videos, evaluating video quality, or updating the curriculum with better content.

Test iOS apps using AXe CLI for accessibility auditing, UI automation, and simulator control. Use when testing iOS Simulator apps, automating UI interactions, recording test videos, or auditing accessibility labels and VoiceOver support.

Download videos, audio, playlists, and channels from YouTube and 1000+ websites using yt-dlp. Supports quality selection, format conversion, subtitle download, playlist filtering, metadata extraction, thumbnail download, and batch operations. Use when downloading YouTube videos in any quality (4K, 8K, HDR), extracting audio as MP3/M4A/FLAC, downloading entire playlists/channels, getting subtitles in multiple languages, converting to specific formats, downloading live streams, archiving content, or batch processing multiple URLs. Optimized for reliability with automatic retries, rate limiting, and error handling.

Guide for advanced Next.js App Router patterns including Route Handlers, Parallel Routes, Intercepting Routes, Server Actions, error boundaries, draft mode, and streaming with Suspense. CRITICAL for server actions (action.ts, actions.ts files, 'use server' directive), setting cookies from client components, and form handling. Use when requirements involve server actions, form submissions, cookies, mutations, API routes, `route.ts`, parallel routes, intercepting routes, or streaming. Essential for separating server actions from client components.

Expert in managing YouTube content using YouTube Data API v3 and yt-dlp. **Use this skill whenever the user mentions 'YouTube', 'video download', 'playlist', 'YouTube videos', 'download from YouTube', or requests to list playlists, search videos, download videos, manage playlists, or any YouTube-related operations.** Handles authentication via OAuth, listing playlists (including Watch Later and Liked Videos), getting playlist items, downloading videos with yt-dlp, searching videos, getting video details, creating/deleting playlists, and adding/removing videos from playlists. (project, gitignored)

Standardized camera movement vocabulary for Veo 3 video generation. Use when creating video prompts that require specific camera movements, cinematography terminology, or when validating camera movement specifications. Provides authoritative reference for 50+ camera movements (Dolly, Arc, Crane, FPV Drone, Whip Pan, etc.) to ensure consistent, production-ready terminology.