video-understand

Extract visual frames and audio transcripts from local video files.

21|9|Updated Jun 22, 2026
One-click install
npx skills add https://github.com/47thtechcorner/RayCodes_OpenMontage --skill video-understand-47thtechcorner
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: video-understand
Source: https://github.com/47thtechcorner/RayCodes_OpenMontage/tree/main/openmontage_engine/.agents/skills/video-understand
Command: npx skills add https://github.com/47thtechcorner/RayCodes_OpenMontage --skill video-understand-47thtechcorner

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires ffmpeg, openai-whisper, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This skill solves the challenge of analyzing video content and generating transcripts without relying on expensive or privacy-invasive cloud-based AI APIs.

Core Features & Use Cases

  • Local Frame Extraction: Automatically captures key frames or scene changes from video files using FFmpeg.
  • Offline Transcription: Converts video audio to text using local Whisper models.
  • Use Case: Use this to quickly index a large library of local video files, generating searchable transcripts and visual summaries for archival or content creation workflows.

Quick Start

Run the video-understand skill on your local file named presentation.mp4 to extract frames and generate a full transcript.

Frequently Asked Questions about video-understand

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I extract frames and transcribe video audio offline?

To extract frames and transcribe video offline, use FFmpeg for visual frame extraction and openai-whisper for local audio transcription. This approach processes local video files entirely on your machine without relying on cloud APIs.

Do I need FFmpeg and openai-whisper to perform local video analysis?

Yes, local video analysis requires FFmpeg and FFprobe for scene detection and frame extraction, alongside the openai-whisper Python package to convert video audio into text transcripts.

Can I extract keyframes and detect scene changes from local video files?

Yes, you can extract keyframes and detect scene changes from local video files. The process uses FFmpeg and FFprobe to automatically sample visual frames based on scene changes or specific time intervals.

What is the best way to generate searchable transcripts for a local video library?

The best way to generate searchable transcripts for a local video library is using offline transcription. Running local Whisper models converts video audio to text, enabling indexing and archival workflows without cloud dependencies.

Does offline video transcription work without uploading files to a cloud API?

Yes, offline video transcription works entirely without uploading files to a cloud API. It uses local Whisper models on your machine, ensuring privacy while processing media and generating text transcripts.