PeerTube/server/core/lib/video-file.ts

154 lines
4.5 KiB
TypeScript

import { FfprobeData } from 'fluent-ffmpeg'
import { VideoFileMetadata, VideoResolution } from '@peertube/peertube-models'
import { logger } from '@server/helpers/logger.js'
import { VideoFileModel } from '@server/models/video/video-file.js'
import { MVideoWithAllFiles } from '@server/types/models/index.js'
import { getFileSize, getLowercaseExtension } from '@peertube/peertube-node-utils'
import { ffprobePromise, getVideoStreamDimensionsInfo, getVideoStreamFPS, isAudioFile } from '@peertube/peertube-ffmpeg'
import { lTags } from './object-storage/shared/index.js'
import { generateHLSVideoFilename, generateWebVideoFilename } from './paths.js'
import { VideoPathManager } from './video-path-manager.js'
import { MIMETYPES } from '@server/initializers/constants.js'
async function buildNewFile (options: {
path: string
mode: 'web-video' | 'hls'
ffprobe?: FfprobeData
}) {
const { path, mode, ffprobe: probeArg } = options
const probe = probeArg ?? await ffprobePromise(path)
const size = await getFileSize(path)
const videoFile = new VideoFileModel({
extname: getLowercaseExtension(path),
size,
metadata: await buildFileMetadata(path, probe)
})
if (await isAudioFile(path, probe)) {
videoFile.resolution = VideoResolution.H_NOVIDEO
} else {
videoFile.fps = await getVideoStreamFPS(path, probe)
videoFile.resolution = (await getVideoStreamDimensionsInfo(path, probe)).resolution
}
videoFile.filename = mode === 'web-video'
? generateWebVideoFilename(videoFile.resolution, videoFile.extname)
: generateHLSVideoFilename(videoFile.resolution)
return videoFile
}
// ---------------------------------------------------------------------------
async function removeHLSPlaylist (video: MVideoWithAllFiles) {
const hls = video.getHLSPlaylist()
if (!hls) return
const videoFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
try {
await video.removeStreamingPlaylistFiles(hls)
await hls.destroy()
video.VideoStreamingPlaylists = video.VideoStreamingPlaylists.filter(p => p.id !== hls.id)
} finally {
videoFileMutexReleaser()
}
}
async function removeHLSFile (video: MVideoWithAllFiles, fileToDeleteId: number) {
logger.info('Deleting HLS file %d of %s.', fileToDeleteId, video.url, lTags(video.uuid))
const hls = video.getHLSPlaylist()
const files = hls.VideoFiles
if (files.length === 1) {
await removeHLSPlaylist(video)
return undefined
}
const videoFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
try {
const toDelete = files.find(f => f.id === fileToDeleteId)
await video.removeStreamingPlaylistVideoFile(video.getHLSPlaylist(), toDelete)
await toDelete.destroy()
hls.VideoFiles = hls.VideoFiles.filter(f => f.id !== toDelete.id)
} finally {
videoFileMutexReleaser()
}
return hls
}
// ---------------------------------------------------------------------------
async function removeAllWebVideoFiles (video: MVideoWithAllFiles) {
const videoFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
try {
for (const file of video.VideoFiles) {
await video.removeWebVideoFile(file)
await file.destroy()
}
video.VideoFiles = []
} finally {
videoFileMutexReleaser()
}
return video
}
async function removeWebVideoFile (video: MVideoWithAllFiles, fileToDeleteId: number) {
const files = video.VideoFiles
if (files.length === 1) {
return removeAllWebVideoFiles(video)
}
const videoFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid)
try {
const toDelete = files.find(f => f.id === fileToDeleteId)
await video.removeWebVideoFile(toDelete)
await toDelete.destroy()
video.VideoFiles = files.filter(f => f.id !== toDelete.id)
} finally {
videoFileMutexReleaser()
}
return video
}
// ---------------------------------------------------------------------------
async function buildFileMetadata (path: string, existingProbe?: FfprobeData) {
const metadata = existingProbe || await ffprobePromise(path)
return new VideoFileMetadata(metadata)
}
function getVideoFileMimeType (extname: string, isAudio: boolean) {
return isAudio && extname === '.mp4' // We use .mp4 even for audio file only
? MIMETYPES.AUDIO.EXT_MIMETYPE['.m4a']
: MIMETYPES.VIDEO.EXT_MIMETYPE[extname]
}
// ---------------------------------------------------------------------------
export {
buildNewFile,
removeHLSPlaylist,
removeHLSFile,
removeAllWebVideoFiles,
removeWebVideoFile,
buildFileMetadata,
getVideoFileMimeType
}