mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-28 17:49:06 +01:00
282 lines
11 KiB
JavaScript
282 lines
11 KiB
JavaScript
const Path = require('path')
|
|
|
|
const AudioFile = require('../objects/files/AudioFile')
|
|
const VideoFile = require('../objects/files/VideoFile')
|
|
|
|
const prober = require('../utils/prober')
|
|
const Logger = require('../Logger')
|
|
const { LogLevel } = require('../utils/constants')
|
|
|
|
class MediaFileScanner {
|
|
constructor() { }
|
|
|
|
getTrackAndDiscNumberFromFilename(mediaMetadataFromScan, audioLibraryFile) {
|
|
const { title, author, series, publishedYear } = mediaMetadataFromScan
|
|
const { filename, path } = audioLibraryFile.metadata
|
|
var partbasename = Path.basename(filename, Path.extname(filename))
|
|
|
|
// Remove title, author, series, and publishedYear from filename if there
|
|
if (title) partbasename = partbasename.replace(title, '')
|
|
if (author) partbasename = partbasename.replace(author, '')
|
|
if (series) partbasename = partbasename.replace(series, '')
|
|
if (publishedYear) partbasename = partbasename.replace(publishedYear)
|
|
|
|
// Look for disc number
|
|
var discNumber = null
|
|
var discMatch = partbasename.match(/\b(disc|cd) ?(\d\d?)\b/i)
|
|
if (discMatch && discMatch.length > 2 && discMatch[2]) {
|
|
if (!isNaN(discMatch[2])) {
|
|
discNumber = Number(discMatch[2])
|
|
}
|
|
|
|
// Remove disc number from filename
|
|
partbasename = partbasename.replace(/\b(disc|cd) ?(\d\d?)\b/i, '')
|
|
}
|
|
|
|
// Look for disc number in folder path e.g. /Book Title/CD01/audiofile.mp3
|
|
var pathdir = Path.dirname(path).split('/').pop()
|
|
if (pathdir && /^cd\d{1,3}$/i.test(pathdir)) {
|
|
var discFromFolder = Number(pathdir.replace(/cd/i, ''))
|
|
if (!isNaN(discFromFolder) && discFromFolder !== null) discNumber = discFromFolder
|
|
}
|
|
|
|
var numbersinpath = partbasename.match(/\d{1,4}/g)
|
|
var trackNumber = numbersinpath && numbersinpath.length ? parseInt(numbersinpath[0]) : null
|
|
return {
|
|
trackNumber,
|
|
discNumber
|
|
}
|
|
}
|
|
|
|
getAverageScanDurationMs(results) {
|
|
if (!results.length) return 0
|
|
var total = 0
|
|
for (let i = 0; i < results.length; i++) total += results[i].elapsed
|
|
return Math.floor(total / results.length)
|
|
}
|
|
|
|
async scan(mediaType, libraryFile, mediaMetadataFromScan, verbose = false) {
|
|
var probeStart = Date.now()
|
|
var probeData = await prober.probe(libraryFile.metadata.path, verbose)
|
|
if (probeData.error) {
|
|
Logger.error(`[MediaFileScanner] ${probeData.error} : "${libraryFile.metadata.path}"`)
|
|
return null
|
|
}
|
|
|
|
if (mediaType === 'video') {
|
|
if (!probeData.videoStream) {
|
|
Logger.error('[MediaFileScanner] Invalid video file no video stream')
|
|
return null
|
|
}
|
|
|
|
var videoFile = new VideoFile()
|
|
videoFile.setDataFromProbe(libraryFile, probeData)
|
|
|
|
return {
|
|
videoFile,
|
|
elapsed: Date.now() - probeStart
|
|
}
|
|
} else {
|
|
if (!probeData.audioStream) {
|
|
Logger.error('[MediaFileScanner] Invalid audio file no audio stream')
|
|
return null
|
|
}
|
|
|
|
var audioFile = new AudioFile()
|
|
audioFile.trackNumFromMeta = probeData.trackNumber
|
|
audioFile.discNumFromMeta = probeData.discNumber
|
|
if (mediaType === 'book') {
|
|
const { trackNumber, discNumber } = this.getTrackAndDiscNumberFromFilename(mediaMetadataFromScan, libraryFile)
|
|
audioFile.trackNumFromFilename = trackNumber
|
|
audioFile.discNumFromFilename = discNumber
|
|
}
|
|
audioFile.setDataFromProbe(libraryFile, probeData)
|
|
|
|
return {
|
|
audioFile,
|
|
elapsed: Date.now() - probeStart
|
|
}
|
|
}
|
|
}
|
|
|
|
// Returns array of { MediaFile, elapsed, averageScanDuration } from audio file scan objects
|
|
async executeMediaFileScans(mediaType, mediaLibraryFiles, scanData) {
|
|
var mediaMetadataFromScan = scanData.media.metadata || null
|
|
var proms = []
|
|
for (let i = 0; i < mediaLibraryFiles.length; i++) {
|
|
proms.push(this.scan(mediaType, mediaLibraryFiles[i], mediaMetadataFromScan))
|
|
}
|
|
var scanStart = Date.now()
|
|
var results = await Promise.all(proms).then((scanResults) => scanResults.filter(sr => sr))
|
|
return {
|
|
audioFiles: results.filter(r => r.audioFile).map(r => r.audioFile),
|
|
videoFiles: results.filter(r => r.videoFile).map(r => r.videoFile),
|
|
elapsed: Date.now() - scanStart,
|
|
averageScanDuration: this.getAverageScanDurationMs(results)
|
|
}
|
|
}
|
|
|
|
isSequential(nums) {
|
|
if (!nums || !nums.length) return false
|
|
if (nums.length === 1) return true
|
|
var prev = nums[0]
|
|
for (let i = 1; i < nums.length; i++) {
|
|
if (nums[i] - prev > 1) return false
|
|
prev = nums[i]
|
|
}
|
|
return true
|
|
}
|
|
|
|
removeDupes(nums) {
|
|
if (!nums || !nums.length) return []
|
|
if (nums.length === 1) return nums
|
|
|
|
var nodupes = [nums[0]]
|
|
nums.forEach((num) => {
|
|
if (num > nodupes[nodupes.length - 1]) nodupes.push(num)
|
|
})
|
|
return nodupes
|
|
}
|
|
|
|
runSmartTrackOrder(libraryItem, audioFiles) {
|
|
var discsFromFilename = []
|
|
var tracksFromFilename = []
|
|
var discsFromMeta = []
|
|
var tracksFromMeta = []
|
|
|
|
audioFiles.forEach((af) => {
|
|
if (af.discNumFromFilename !== null) discsFromFilename.push(af.discNumFromFilename)
|
|
if (af.discNumFromMeta !== null) discsFromMeta.push(af.discNumFromMeta)
|
|
if (af.trackNumFromFilename !== null) tracksFromFilename.push(af.trackNumFromFilename)
|
|
if (af.trackNumFromMeta !== null) tracksFromMeta.push(af.trackNumFromMeta)
|
|
af.validateTrackIndex() // Sets error if no valid track number
|
|
})
|
|
discsFromFilename.sort((a, b) => a - b)
|
|
discsFromMeta.sort((a, b) => a - b)
|
|
tracksFromFilename.sort((a, b) => a - b)
|
|
tracksFromMeta.sort((a, b) => a - b)
|
|
|
|
var discKey = null
|
|
if (discsFromMeta.length === audioFiles.length && this.isSequential(discsFromMeta)) {
|
|
discKey = 'discNumFromMeta'
|
|
} else if (discsFromFilename.length === audioFiles.length && this.isSequential(discsFromFilename)) {
|
|
discKey = 'discNumFromFilename'
|
|
}
|
|
|
|
var trackKey = null
|
|
tracksFromFilename = this.removeDupes(tracksFromFilename)
|
|
tracksFromMeta = this.removeDupes(tracksFromMeta)
|
|
if (tracksFromFilename.length > tracksFromMeta.length) {
|
|
trackKey = 'trackNumFromFilename'
|
|
} else {
|
|
trackKey = 'trackNumFromMeta'
|
|
}
|
|
|
|
if (discKey !== null) {
|
|
Logger.debug(`[MediaFileScanner] Smart track order for "${libraryItem.media.metadata.title}" using disc key ${discKey} and track key ${trackKey}`)
|
|
audioFiles.sort((a, b) => {
|
|
let Dx = a[discKey] - b[discKey]
|
|
if (Dx === 0) Dx = a[trackKey] - b[trackKey]
|
|
return Dx
|
|
})
|
|
} else {
|
|
Logger.debug(`[MediaFileScanner] Smart track order for "${libraryItem.media.metadata.title}" using track key ${trackKey}`)
|
|
audioFiles.sort((a, b) => a[trackKey] - b[trackKey])
|
|
}
|
|
|
|
for (let i = 0; i < audioFiles.length; i++) {
|
|
audioFiles[i].index = i + 1
|
|
var existingAF = libraryItem.media.findFileWithInode(audioFiles[i].ino)
|
|
if (existingAF) {
|
|
if (existingAF.updateFromScan) existingAF.updateFromScan(audioFiles[i])
|
|
} else {
|
|
libraryItem.media.addAudioFile(audioFiles[i])
|
|
}
|
|
}
|
|
}
|
|
|
|
async scanMediaFiles(mediaLibraryFiles, scanData, libraryItem, preferAudioMetadata, preferOverdriveMediaMarker, libraryScan = null) {
|
|
var hasUpdated = false
|
|
|
|
var mediaScanResult = await this.executeMediaFileScans(libraryItem.mediaType, mediaLibraryFiles, scanData)
|
|
if (libraryItem.mediaType === 'video') {
|
|
if (mediaScanResult.videoFiles.length) {
|
|
// TODO: Check for updates etc
|
|
hasUpdated = true
|
|
libraryItem.media.setVideoFile(mediaScanResult.videoFiles[0])
|
|
}
|
|
} else if (mediaScanResult.audioFiles.length) {
|
|
if (libraryScan) {
|
|
libraryScan.addLog(LogLevel.DEBUG, `Library Item "${scanData.path}" Audio file scan took ${mediaScanResult.elapsed}ms for ${mediaScanResult.audioFiles.length} with average time of ${mediaScanResult.averageScanDuration}ms`)
|
|
Logger.debug(`Library Item "${scanData.path}" Audio file scan took ${mediaScanResult.elapsed}ms for ${mediaScanResult.audioFiles.length} with average time of ${mediaScanResult.averageScanDuration}ms`)
|
|
}
|
|
|
|
var newAudioFiles = mediaScanResult.audioFiles.filter(af => {
|
|
return !libraryItem.media.findFileWithInode(af.ino)
|
|
})
|
|
|
|
// Book: Adding audio files to book media
|
|
if (libraryItem.mediaType === 'book') {
|
|
var mediaScanFileInodes = mediaScanResult.audioFiles.map(af => af.ino)
|
|
// Filter for existing valid track audio files not included in the audio files scanned
|
|
var existingAudioFiles = libraryItem.media.audioFiles.filter(af => af.isValidTrack && !mediaScanFileInodes.includes(af.ino))
|
|
|
|
if (newAudioFiles.length) {
|
|
// Single Track Audiobooks
|
|
if (mediaScanFileInodes.length + existingAudioFiles.length === 1) {
|
|
var af = mediaScanResult.audioFiles[0]
|
|
af.index = 1
|
|
libraryItem.media.addAudioFile(af)
|
|
hasUpdated = true
|
|
} else {
|
|
var allAudioFiles = existingAudioFiles.concat(mediaScanResult.audioFiles)
|
|
this.runSmartTrackOrder(libraryItem, allAudioFiles)
|
|
hasUpdated = true
|
|
}
|
|
} else {
|
|
// Only update metadata not index
|
|
mediaScanResult.audioFiles.forEach((af) => {
|
|
var existingAF = libraryItem.media.findFileWithInode(af.ino)
|
|
if (existingAF) {
|
|
af.index = existingAF.index
|
|
if (existingAF.updateFromScan && existingAF.updateFromScan(af)) {
|
|
hasUpdated = true
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
// Set book details from audio file ID3 tags, optional prefer
|
|
if (libraryItem.media.setMetadataFromAudioFile(preferAudioMetadata)) {
|
|
hasUpdated = true
|
|
}
|
|
|
|
if (hasUpdated) {
|
|
libraryItem.media.rebuildTracks(preferOverdriveMediaMarker)
|
|
}
|
|
} else { // Podcast Media Type
|
|
var existingAudioFiles = mediaScanResult.audioFiles.filter(af => libraryItem.media.findFileWithInode(af.ino))
|
|
|
|
if (newAudioFiles.length) {
|
|
var newIndex = libraryItem.media.episodes.length + 1
|
|
newAudioFiles.forEach((newAudioFile) => {
|
|
libraryItem.media.addNewEpisodeFromAudioFile(newAudioFile, newIndex++)
|
|
})
|
|
libraryItem.media.reorderEpisodes()
|
|
hasUpdated = true
|
|
}
|
|
|
|
// Update audio file metadata for audio files already there
|
|
existingAudioFiles.forEach((af) => {
|
|
var peAudioFile = libraryItem.media.findFileWithInode(af.ino)
|
|
if (peAudioFile.updateFromScan && peAudioFile.updateFromScan(af)) {
|
|
hasUpdated = true
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
return hasUpdated
|
|
}
|
|
}
|
|
module.exports = new MediaFileScanner() |