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peertube/server/lib/jobs/transcoding-job-scheduler/video-file-optimizer-handler.ts
2017-12-19 10:53:16 +01:00

86 lines
2.8 KiB
TypeScript

import * as Bluebird from 'bluebird'
import { computeResolutionsToTranscode, logger } from '../../../helpers'
import { sequelizeTypescript } from '../../../initializers'
import { VideoModel } from '../../../models/video/video'
import { shareVideoByServer } from '../../activitypub'
import { sendCreateVideo } from '../../activitypub/send'
import { JobScheduler } from '../job-scheduler'
import { TranscodingJobPayload } from './transcoding-job-scheduler'
async function process (data: TranscodingJobPayload, jobId: number) {
const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(data.videoUUID)
// No video, maybe deleted?
if (!video) {
logger.info('Do not process job %d, video does not exist.', jobId, { videoUUID: video.uuid })
return undefined
}
await video.optimizeOriginalVideofile()
return video
}
function onError (err: Error, jobId: number) {
logger.error('Error when optimized video file in job %d.', jobId, err)
return Promise.resolve()
}
async function onSuccess (jobId: number, video: VideoModel, jobScheduler: JobScheduler<TranscodingJobPayload, VideoModel>) {
if (video === undefined) return undefined
logger.info('Job %d is a success.', jobId)
// Maybe the video changed in database, refresh it
const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
// Video does not exist anymore
if (!videoDatabase) return undefined
// Now we'll add the video's meta data to our followers
await sendCreateVideo(video, undefined)
// TODO: share by channel
await shareVideoByServer(video, undefined)
const originalFileHeight = await videoDatabase.getOriginalFileHeight()
// Create transcoding jobs if there are enabled resolutions
const resolutionsEnabled = computeResolutionsToTranscode(originalFileHeight)
logger.info(
'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, originalFileHeight,
{ resolutions: resolutionsEnabled }
)
if (resolutionsEnabled.length !== 0) {
try {
await sequelizeTypescript.transaction(async t => {
const tasks: Bluebird<any>[] = []
for (const resolution of resolutionsEnabled) {
const dataInput = {
videoUUID: videoDatabase.uuid,
resolution
}
const p = jobScheduler.createJob(t, 'videoFileTranscoder', dataInput)
tasks.push(p)
}
await Promise.all(tasks)
})
logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
} catch (err) {
logger.warn('Cannot transcode the video.', err)
}
} else {
logger.info('No transcoding jobs created for video %s (no resolutions enabled).')
return undefined
}
}
// ---------------------------------------------------------------------------
export {
process,
onError,
onSuccess
}