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ck:media-processing

Process media files with FFmpeg, ImageMagick, and RMBG CLI.

Updated Jan 11, 2026
Search Tags:#image#video#media#audio#ffmpeg#imagemagick#rmbg
One-click install
npx skills add https://github.com/felix-howard/ella --skill ck-media-processing-felix-howard
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ck:media-processing
Source: https://github.com/felix-howard/ella/tree/main/.opencode/skills/media-processing
Command: npx skills add https://github.com/felix-howard/ella --skill ck-media-processing-felix-howard

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines media manipulation tasks by providing a unified interface for common video, audio, and image processing operations, saving you time and effort.

Core Features & Use Cases

  • Format Conversion: Convert between various media formats (e.g., MP4 to WebM, JPG to PNG).
  • Image Editing: Resize, crop, apply filters, and remove backgrounds from images.
  • Video Processing: Encode, re-encode, extract audio, and generate thumbnails.
  • Batch Operations: Process multiple files efficiently using shell scripts or Python utilities.
  • Use Case: Convert a batch of HEIC photos to JPG, resize them for web use, and remove the background from product images.

Quick Start

Use the ck:media-processing skill to convert the video 'input.mov' to 'output.mp4' using the web preset.

Frequently Asked Questions about ck:media-processing

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

FAQPage Schema
How do I convert video formats like MOV to MP4 using FFmpeg?▼

Convert video formats by applying FFmpeg encoding presets to transform input MOV files into optimized MP4 outputs. The skill streamlines this process through a unified interface for common video manipulation operations.

Can I remove the background from product images in a batch?▼

Yes, remove backgrounds from product images using the integrated RMBG CLI tool. You can batch process multiple files efficiently by running shell scripts or Python utilities to apply AI-powered background removal.

Do I need to install FFmpeg and ImageMagick before processing media?▼

Yes, you must install FFmpeg, ImageMagick, and rmbg-cli on your system before processing media. These CLI tools are required dependencies for executing video encoding, image editing, and background removal operations.

What is the best way to resize images and convert HEIC photos to JPG?▼

Resize images and convert HEIC photos to JPG by utilizing ImageMagick's format conversion and editing functions. This approach allows you to simultaneously apply filters and prepare images for web use.

How do I extract audio and generate thumbnails from a video file?▼

Extract audio and generate thumbnails from video files by executing FFmpeg commands for demuxing and frame extraction. The skill provides a unified interface to handle these video processing tasks efficiently.

Does this media processing approach work for both audio and video encoding?▼

Yes, this approach works for both audio and video encoding by leveraging FFmpeg's comprehensive codec support. It handles format conversion, re-encoding, and media manipulation across video, audio, and image files.

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