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style(figma-skill): format verify-motion.mjs

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Vance Ingalls
2026-07-09 00:59:11 -07:00
co-authored by Claude Fable 5
parent 3d59dcc694
commit 666b84d7bb
2 changed files with 55 additions and 10 deletions
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skills-manifest.json
+1 -1
View File
@@ -10,7 +10,7 @@
"files": 18
},
"figma": {
"hash": "3172ad95070aaecc",
"hash": "431580ce359639f5",
"files": 2
},
"general-video": {
skills/figma/scripts/verify-motion.mjs
+54 -9
View File
@@ -44,7 +44,15 @@ const minMotion = Number(arg("min-motion-psnr", "15"));
const ffprobe = (file) =>
Number(
execFileSync("ffprobe", ["-v", "error", "-show_entries", "format=duration", "-of", "csv=p=0", file])
execFileSync("ffprobe", [
"-v",
"error",
"-show_entries",
"format=duration",
"-of",
"csv=p=0",
file,
])
.toString()
.trim(),
);
@@ -52,14 +60,30 @@ const refDur = ffprobe(reference);
const renderDur = ffprobe(render);
const end = Math.min(refDur, renderDur) - interval - 0.01;
const dims = execFileSync("ffprobe", ["-v", "error", "-select_streams", "v", "-show_entries", "stream=width,height", "-of", "csv=p=0", reference])
.toString().trim().split(",").map(Number);
const dims = execFileSync("ffprobe", [
"-v",
"error",
"-select_streams",
"v",
"-show_entries",
"stream=width,height",
"-of",
"csv=p=0",
reference,
])
.toString()
.trim()
.split(",")
.map(Number);
const [rw, rh] = dims;
let cropFilter = "";
if (crop) {
const m = crop.match(/^(\d+)x(\d+)\+(\d+)\+(\d+)$/);
if (!m) { console.error("bad --crop, expected WxH+X+Y"); process.exit(2); }
if (!m) {
console.error("bad --crop, expected WxH+X+Y");
process.exit(2);
}
cropFilter = `crop=${m[1]}:${m[2]}:${m[3]}:${m[4]},`;
}
@@ -70,10 +94,23 @@ const frame = (src, t, vf, dst) => {
execFileSync("ffmpeg", args.concat(dst));
};
const diff = (a, b, dst) =>
execFileSync("ffmpeg", ["-y", "-v", "error", "-i", a, "-i", b, "-filter_complex", "blend=all_mode=difference", dst]);
execFileSync("ffmpeg", [
"-y",
"-v",
"error",
"-i",
a,
"-i",
b,
"-filter_complex",
"blend=all_mode=difference",
dst,
]);
const psnr = (a, b) => {
// spawnSync with array args (no shell): psnr stats land on stderr
const r = spawnSync("ffmpeg", ["-i", a, "-i", b, "-lavfi", "psnr", "-f", "null", "-"], { encoding: "utf8" });
const r = spawnSync("ffmpeg", ["-i", a, "-i", b, "-lavfi", "psnr", "-f", "null", "-"], {
encoding: "utf8",
});
const m = (r.stderr || "").match(/average:([\d.]+|inf)/);
return m ? (m[1] === "inf" ? 99 : Number(m[1])) : NaN;
};
@@ -88,7 +125,11 @@ for (let t = 0; t <= end; t = Math.round((t + interval) * 1000) / 1000) {
frame(render, t1, renderVf, join(dir, "ob.png"));
diff(join(dir, "ra.png"), join(dir, "rb.png"), join(dir, "rd.png"));
diff(join(dir, "oa.png"), join(dir, "ob.png"), join(dir, "od.png"));
results.push({ t, motion: psnr(join(dir, "rd.png"), join(dir, "od.png")), abs: psnr(join(dir, "rb.png"), join(dir, "ob.png")) });
results.push({
t,
motion: psnr(join(dir, "rd.png"), join(dir, "od.png")),
abs: psnr(join(dir, "rb.png"), join(dir, "ob.png")),
});
}
rmSync(dir, { recursive: true, force: true });
@@ -98,9 +139,13 @@ for (const r of results)
console.log(
`window ${r.t.toFixed(2)}s→${(r.t + interval).toFixed(2)}s motion-psnr=${r.motion.toFixed(2)}dB (abs=${r.abs.toFixed(1)}dB)${r.motion < minMotion ? " <-- BELOW THRESHOLD" : ""}`,
);
console.log(`\nwindows=${results.length} min-motion=${min.toFixed(2)}dB mean-motion=${mean.toFixed(2)}dB threshold=${minMotion}dB`);
console.log(
`\nwindows=${results.length} min-motion=${min.toFixed(2)}dB mean-motion=${mean.toFixed(2)}dB threshold=${minMotion}dB`,
);
if (min < minMotion) {
console.log("VERDICT: FAIL — choreography diverges from the Figma export (check timings, invented keyframes, durations)");
console.log(
"VERDICT: FAIL — choreography diverges from the Figma export (check timings, invented keyframes, durations)",
);
process.exit(1);
}
console.log("VERDICT: PASS — motion matches the Figma export within the static-fidelity ceiling");