30 lines
415 B
JavaScript
30 lines
415 B
JavaScript
let heights = [
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120,
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180,
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240,
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360,
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480,
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720,
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1080,
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1440,
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2160
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];
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let base = 480;
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let bitrate = 1000;
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let exponent = 0.85;
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function area(h) {
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let w = Math.round(h * 16 / 9);
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return w * h;
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}
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function rate(h) {
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let ratio = area(h) / area(base);
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return Math.round(bitrate * (ratio ** exponent));
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}
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for (let h of heights) {
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console.log(`${h}: ${rate(h)}`);
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}
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