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This skill should be used when comparing two videos to analyze compression results or quality differences. Generates interactive HTML reports with quality metrics (PSNR, SSIM) and frame-by-frame visual comparisons.
Passed 16 of 21 test cases with the skill, and 7 of 21 without it.
and 9 more in the full report
12 fixed5 passed either way3 still failing2 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
When running video compression visual checks without passing explicit sampling rate flags, how frequently in time are frame snapshots extracted by default for the HTML viewer?
| Checked | Without skill | With skill |
|---|---|---|
| States that the default frame extraction interval is 5 seconds | Missed | Passed |
The instructions your model reads when the skill loads.
Compare two videos and generate an interactive HTML report analyzing compression results. The script extracts video metadata, calculates quality metrics (PSNR, SSIM), and creates frame-by-frame visual comparisons with three viewing modes: slider, side-by-side, and grid.
Use this skill when:
python3 scripts/compare.py original.mp4 compressed.mp4
Generates comparison.html with:
# Custom output file
python3 scripts/compare.py original.mp4 compressed.mp4 -o report.html
# Custom frame interval (larger = fewer frames, faster processing)
python3 scripts/compare.py original.mp4 compressed.mp4 --interval 10
# Batch comparison
for original in originals/*.mp4; do
compressed="compressed/$(basename "$original")"
output="reports/$(basename "$original" .mp4).html"
test cases passed, vs 7 / 21 without
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