mirror of
https://github.com/zhw2590582/ArtPlayer.git
synced 2026-10-08 10:56:15 -08:00
42 lines
2.8 KiB
JavaScript
42 lines
2.8 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 { fileURLToPath } from 'node:url'
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import { hash } from '../refactor/scripts/releases.mjs'
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const root = fileURLToPath(new URL('../', import.meta.url))
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const output = path.resolve(root, process.argv[2] || 'test/browser/media/dash')
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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 args = [
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['-hide_banner', '-loglevel', 'error', '-n'],
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['-f', 'lavfi', '-i', 'testsrc2=size=160x90:rate=24'],
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['-f', 'lavfi', '-i', 'testsrc2=size=320x180:rate=24'],
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['-f', 'lavfi', '-i', 'sine=frequency=440:sample_rate=48000'],
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['-f', 'lavfi', '-i', 'sine=frequency=880:sample_rate=48000'],
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['-t', '12', '-map', '0:v', '-map', '1:v', '-map', '2:a', '-map', '3:a'],
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['-c:v', 'libx264', '-pix_fmt', 'yuv420p', '-profile:v', 'baseline', '-level:v', '3.0'],
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['-b:v:0', '150k', '-b:v:1', '350k', '-g', '48', '-keyint_min', '48', '-sc_threshold', '0'],
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['-c:a', 'aac', '-b:a', '48k', '-ac', '2', '-metadata:s:a:0', 'language=en', '-metadata:s:a:1', 'language=fr'],
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['-f', 'dash', '-seg_duration', '2', '-use_template', '1', '-use_timeline', '1'],
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['-adaptation_sets', 'id=0,streams=0,1 id=1,streams=2 id=2,streams=3'],
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['-init_seg_name', 'init-$RepresentationID$.m4s', '-media_seg_name', 'chunk-$RepresentationID$-$Number%05d$.m4s', 'master.mpd'],
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].flat()
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execFileSync(ffmpeg, args, { cwd: output, stdio: 'pipe', timeout: 120000 })
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const master = fs.readFileSync(path.join(output, 'master.mpd'), 'utf8')
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const audioSets = /<AdaptationSet\b[^>]+contentType="audio"[\s\S]*?<\/AdaptationSet>/g
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assert.equal([...master.matchAll(audioSets)].length, 2)
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const videoOnly = master.replace(audioSets, '')
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assert(!videoOnly.includes('contentType="audio"'))
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fs.writeFileSync(path.join(output, 'video-only.mpd'), videoOnly)
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const single = videoOnly.replace(/<Representation\b[^>]+id="1"[\s\S]*?<\/Representation>/, '')
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assert.equal([...single.matchAll(/<Representation\b/g)].length, 1)
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fs.writeFileSync(path.join(output, 'single.mpd'), single)
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const files = Object.fromEntries(fs.readdirSync(output).sort().map(name => [name, { sha256: hash(fs.readFileSync(path.join(output, name))), bytes: fs.statSync(path.join(output, name)).size }]))
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fs.writeFileSync(path.join(output, 'manifest.json'), `${JSON.stringify({ kind: 'generated-dash-media', version, duration: 12, videoHeights: [90, 180], audio: [{ lang: 'en', frequency: 440 }, { lang: 'fr', frequency: 880 }], commands: [args], files }, null, 2)}\n`)
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console.log(`Generated ${Object.keys(files).length} DASH files in ${output}`)
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