mirror of
https://github.com/zhw2590582/ArtPlayer.git
synced 2026-10-08 19:06:15 -08:00
49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
import assert from 'node:assert/strict'
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import { execFileSync } from 'node:child_process'
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import fs from 'node:fs'
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import path from 'node:path'
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import process from 'node:process'
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import { hash } from '../refactor/scripts/releases.mjs'
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const output = path.resolve(process.argv[2] || 'refactor/.cache/auto-thumbnail-fixture')
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assert(!fs.existsSync(output), 'Use a new directory; never overwrite frozen media')
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const ffmpeg = process.env.ARTPLAYER_FFMPEG || 'ffmpeg'
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const version = execFileSync(ffmpeg, ['-version'], { encoding: 'utf8' }).split(/\r?\n/)[0]
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fs.mkdirSync(output, { recursive: true })
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const segments = [['purple', '0.033333333'], ['red', '1.966666667'], ['black', '2'], ['blue', '2'], ['yellow', '2']]
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const args = [
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'-hide_banner',
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'-loglevel',
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'error',
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'-n',
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...segments.flatMap(([color, duration]) => ['-f', 'lavfi', '-i', `color=c=${color}:s=320x180:r=30:d=${duration}`]),
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'-filter_complex',
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'[0:v][1:v][2:v][3:v][4:v]concat=n=5:v=1:a=0[v]',
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'-map',
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'[v]',
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'-c:v',
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'libx264',
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'-pix_fmt',
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'yuv420p',
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'-g',
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'30',
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'-movflags',
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'+faststart',
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'auto-thumbnail-timeline.mp4',
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]
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execFileSync(ffmpeg, args, { cwd: output, stdio: 'pipe', timeout: 120000 })
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const bytes = fs.readFileSync(path.join(output, 'auto-thumbnail-timeline.mp4'))
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fs.writeFileSync(path.join(output, 'manifest.json'), `${JSON.stringify({
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kind: 'generated-auto-thumbnail-timeline',
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version,
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args,
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width: 320,
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height: 180,
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fps: 30,
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duration: 8,
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segments,
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purpose: 'Unique purple first frame, then red/black/blue/yellow timeline; distinguish missing transparent pixels, legitimate black frames and stale first frames.',
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file: { name: 'auto-thumbnail-timeline.mp4', bytes: bytes.length, sha256: hash(bytes) },
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}, null, 2)}\n`)
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console.log(`Generated auto-thumbnail timeline in ${output}`)
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