PeerTube/shared/extra-utils/videos/live.ts

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/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
import { expect } from 'chai'
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import * as ffmpeg from 'fluent-ffmpeg'
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import { pathExists, readdir } from 'fs-extra'
import { join } from 'path'
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import { buildAbsoluteFixturePath, wait } from '../miscs'
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import { ServerInfo } from '../server/servers'
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function sendRTMPStream (rtmpBaseUrl: string, streamKey: string, fixtureName = 'video_short.mp4') {
const fixture = buildAbsoluteFixturePath(fixtureName)
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const command = ffmpeg(fixture)
command.inputOption('-stream_loop -1')
command.inputOption('-re')
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command.outputOption('-c:v libx264')
command.outputOption('-g 50')
command.outputOption('-keyint_min 2')
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command.outputOption('-r 60')
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command.outputOption('-f flv')
const rtmpUrl = rtmpBaseUrl + '/' + streamKey
command.output(rtmpUrl)
command.on('error', err => {
if (err?.message?.includes('Exiting normally')) return
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if (process.env.DEBUG) console.error(err)
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})
if (process.env.DEBUG) {
command.on('stderr', data => console.log(data))
}
command.run()
return command
}
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function waitFfmpegUntilError (command: ffmpeg.FfmpegCommand, successAfterMS = 10000) {
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return new Promise<void>((res, rej) => {
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command.on('error', err => {
return rej(err)
})
setTimeout(() => {
res()
}, successAfterMS)
})
}
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async function testFfmpegStreamError (command: ffmpeg.FfmpegCommand, shouldHaveError: boolean) {
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let error: Error
try {
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await waitFfmpegUntilError(command, 35000)
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} catch (err) {
error = err
}
await stopFfmpeg(command)
if (shouldHaveError && !error) throw new Error('Ffmpeg did not have an error')
if (!shouldHaveError && error) throw error
}
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async function stopFfmpeg (command: ffmpeg.FfmpegCommand) {
command.kill('SIGINT')
await wait(500)
}
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async function waitUntilLivePublishedOnAllServers (servers: ServerInfo[], videoId: string) {
for (const server of servers) {
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await server.live.waitUntilPublished({ videoId })
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}
}
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async function checkLiveCleanup (server: ServerInfo, videoUUID: string, resolutions: number[] = []) {
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const basePath = server.servers.buildDirectory('streaming-playlists')
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const hlsPath = join(basePath, 'hls', videoUUID)
if (resolutions.length === 0) {
const result = await pathExists(hlsPath)
expect(result).to.be.false
return
}
const files = await readdir(hlsPath)
// fragmented file and playlist per resolution + master playlist + segments sha256 json file
expect(files).to.have.lengthOf(resolutions.length * 2 + 2)
for (const resolution of resolutions) {
expect(files).to.contain(`${videoUUID}-${resolution}-fragmented.mp4`)
expect(files).to.contain(`${resolution}.m3u8`)
}
expect(files).to.contain('master.m3u8')
expect(files).to.contain('segments-sha256.json')
}
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export {
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sendRTMPStream,
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waitFfmpegUntilError,
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testFfmpegStreamError,
stopFfmpeg,
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waitUntilLivePublishedOnAllServers,
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checkLiveCleanup
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}