Video Comparer
Description
A professional video comparison tool that analyzes compression quality and generates interactive HTML reports. Compare original vs compressed videos with detailed metrics (PSNR, SSIM) and frame-by-frame visual comparisons.
Installation
Installs to ~/.claude/skills/video-comparer/
git clone --depth 1 https://github.com/daymade/claude-code-skills /tmp/claude-code-skills \
&& mkdir -p ~/.claude/skills \
&& cp -r /tmp/claude-code-skills/video-comparer ~/.claude/skills/video-comparer Clones the whole repository, because a skill folder can carry scripts and resources beside its SKILL.md.
Repository README
This is the README for daymade/claude-code-skills, shared by 5 entries
in this directory. It describes the repository, not this entry specifically.
Video Comparer
A professional video comparison tool that analyzes compression quality and generates interactive HTML reports. Compare original vs compressed videos with detailed metrics (PSNR, SSIM) and frame-by-frame visual comparisons.
Features
🎯 Video Analysis
- Metadata Extraction: Codec, resolution, frame rate, bitrate, duration, file size
- Quality Metrics: PSNR (Peak Signal-to-Noise Ratio) and SSIM (Structural Similarity Index)
- Compression Analysis: Size and bitrate reduction percentages
🖼️ Interactive Comparison
- Three Viewing Modes:
- Slider Mode: Interactive before/after slider using img-comparison-slider
- Side-by-Side Mode: Simultaneous display of both frames
- Grid Mode: Compact 2-column layout
- Zoom Controls: 50%-200% zoom with real image dimension scaling
- Responsive Design: Works on desktop, tablet, and mobile
🔒 Security & Reliability
- Path Validation: Prevents directory traversal attacks
- Command Injection Prevention: No shell=True in subprocess calls
- Resource Limits: File size and timeout restrictions
- Comprehensive Error Handling: User-friendly error messages
Quick Start
Prerequisites
- Python 3.8+ (for type hints and modern features)
- FFmpeg (required for video analysis)
# macOS
brew install ffmpeg
# Ubuntu/Debian
sudo apt install ffmpeg
# Windows
# Download from https://ffmpeg.org/download.htmlBasic Usage
# Navigate to the skill directory
cd /path/to/video-comparer
# Compare two videos
python3 scripts/compare.py original.mp4 compressed.mp4
# Open the generated report
open comparison.html # macOS
# or
xdg-open comparison.html # Linux
# or
start comparison.html # WindowsCommand Line Options
python3 scripts/compare.py [options]
Arguments:
original Path to original video file
compressed Path to compressed video file
Options:
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