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import { computeOutputFPS } from '@server/helpers/ffmpeg'
import { logger, loggerTagsFactory } from '@server/helpers/logger'
import { CONFIG } from '@server/initializers/config'
import { DEFAULT_AUDIO_RESOLUTION, VIDEO_TRANSCODING_FPS } from '@server/initializers/constants'
import { Hooks } from '@server/lib/plugins/hooks'
import { VODAudioMergeTranscodingJobHandler, VODHLSTranscodingJobHandler, VODWebVideoTranscodingJobHandler } from '@server/lib/runners'
import { VideoPathManager } from '@server/lib/video-path-manager'
import { MUserId, MVideoFile, MVideoFullLight, MVideoWithFileThumbnail } from '@server/types/models'
import { MRunnerJob } from '@server/types/models/runners'
import { ffprobePromise, getVideoStreamDimensionsInfo, getVideoStreamFPS, hasAudioStream, isAudioFile } from '@shared/ffmpeg'
import { computeResolutionsToTranscode } from '../../transcoding-resolutions'
import { AbstractJobBuilder } from './abstract-job-builder'
/**
*
* Class to build transcoding job in the local job queue
*
*/
const lTags = loggerTagsFactory('transcoding')
export class TranscodingRunnerJobBuilder extends AbstractJobBuilder {
async createOptimizeOrMergeAudioJobs (options: {
video: MVideoFullLight
videoFile: MVideoFile
isNewVideo: boolean
user: MUserId
}) {
const { video, videoFile, isNewVideo, user } = options
const mutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
try {
await VideoPathManager.Instance.makeAvailableVideoFile(videoFile.withVideoOrPlaylist(video), async videoFilePath => {
const probe = await ffprobePromise(videoFilePath)
const { resolution } = await getVideoStreamDimensionsInfo(videoFilePath, probe)
const hasAudio = await hasAudioStream(videoFilePath, probe)
const inputFPS = videoFile.isAudio()
? VIDEO_TRANSCODING_FPS.AUDIO_MERGE // The first transcoding job will transcode to this FPS value
: await getVideoStreamFPS(videoFilePath, probe)
const maxResolution = await isAudioFile(videoFilePath, probe)
? DEFAULT_AUDIO_RESOLUTION
: resolution
const fps = computeOutputFPS({ inputFPS, resolution: maxResolution })
const priority = await this.getTranscodingJobPriority({ user, fallback: 0 })
const mainRunnerJob = videoFile.isAudio()
? await new VODAudioMergeTranscodingJobHandler().create({ video, resolution: maxResolution, fps, isNewVideo, priority })
: await new VODWebVideoTranscodingJobHandler().create({ video, resolution: maxResolution, fps, isNewVideo, priority })
if (CONFIG.TRANSCODING.HLS.ENABLED === true) {
await new VODHLSTranscodingJobHandler().create({
video,
deleteWebVideoFiles: CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false,
resolution: maxResolution,
fps,
isNewVideo,
dependsOnRunnerJob: mainRunnerJob,
priority: await this.getTranscodingJobPriority({ user, fallback: 0 })
})
}
await this.buildLowerResolutionJobPayloads({
video,
inputVideoResolution: maxResolution,
inputVideoFPS: inputFPS,
hasAudio,
isNewVideo,
mainRunnerJob,
user
})
})
} finally {
mutexReleaser()
}
}
// ---------------------------------------------------------------------------
async createTranscodingJobs (options: {
transcodingType: 'hls' | 'webtorrent'
video: MVideoFullLight
resolutions: number[]
isNewVideo: boolean
user: MUserId | null
}) {
const { video, transcodingType, resolutions, isNewVideo, user } = options
const maxResolution = Math.max(...resolutions)
const { fps: inputFPS } = await video.probeMaxQualityFile()
const maxFPS = computeOutputFPS({ inputFPS, resolution: maxResolution })
const priority = await this.getTranscodingJobPriority({ user, fallback: 0 })
const childrenResolutions = resolutions.filter(r => r !== maxResolution)
logger.info('Manually creating transcoding jobs for %s.', transcodingType, { childrenResolutions, maxResolution })
// Process the last resolution before the other ones to prevent concurrency issue
// Because low resolutions use the biggest one as ffmpeg input
const mainJob = transcodingType === 'hls'
// eslint-disable-next-line max-len
? await new VODHLSTranscodingJobHandler().create({ video, resolution: maxResolution, fps: maxFPS, isNewVideo, deleteWebVideoFiles: false, priority })
: await new VODWebVideoTranscodingJobHandler().create({ video, resolution: maxResolution, fps: maxFPS, isNewVideo, priority })
for (const resolution of childrenResolutions) {
const dependsOnRunnerJob = mainJob
const fps = computeOutputFPS({ inputFPS, resolution: maxResolution })
if (transcodingType === 'hls') {
await new VODHLSTranscodingJobHandler().create({
video,
resolution,
fps,
isNewVideo,
deleteWebVideoFiles: false,
dependsOnRunnerJob,
priority: await this.getTranscodingJobPriority({ user, fallback: 0 })
})
continue
}
if (transcodingType === 'webtorrent') {
await new VODWebVideoTranscodingJobHandler().create({
video,
resolution,
fps,
isNewVideo,
dependsOnRunnerJob,
priority: await this.getTranscodingJobPriority({ user, fallback: 0 })
})
continue
}
throw new Error('Unknown transcoding type')
}
}
private async buildLowerResolutionJobPayloads (options: {
mainRunnerJob: MRunnerJob
video: MVideoWithFileThumbnail
inputVideoResolution: number
inputVideoFPS: number
hasAudio: boolean
isNewVideo: boolean
user: MUserId
}) {
const { video, inputVideoResolution, inputVideoFPS, isNewVideo, hasAudio, mainRunnerJob, user } = options
// Create transcoding jobs if there are enabled resolutions
const resolutionsEnabled = await Hooks.wrapObject(
computeResolutionsToTranscode({ input: inputVideoResolution, type: 'vod', includeInput: false, strictLower: true, hasAudio }),
'filter:transcoding.auto.resolutions-to-transcode.result',
options
)
logger.debug('Lower resolutions build for %s.', video.uuid, { resolutionsEnabled, ...lTags(video.uuid) })
for (const resolution of resolutionsEnabled) {
const fps = computeOutputFPS({ inputFPS: inputVideoFPS, resolution })
if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED) {
await new VODWebVideoTranscodingJobHandler().create({
video,
resolution,
fps,
isNewVideo,
dependsOnRunnerJob: mainRunnerJob,
priority: await this.getTranscodingJobPriority({ user, fallback: 0 })
})
}
if (CONFIG.TRANSCODING.HLS.ENABLED) {
await new VODHLSTranscodingJobHandler().create({
video,
resolution,
fps,
isNewVideo,
deleteWebVideoFiles: false,
dependsOnRunnerJob: mainRunnerJob,
priority: await this.getTranscodingJobPriority({ user, fallback: 0 })
})
}
}
}
}
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