Update:Audiobook merge to set metadata with tone and replace m4b in library item #594

This commit is contained in:
advplyr 2022-09-26 18:07:31 -05:00
parent b7bdaac163
commit f36a5eae6d
6 changed files with 187 additions and 163 deletions

View file

@ -4,10 +4,11 @@ const fs = require('../libs/fsExtra')
const workerThreads = require('worker_threads')
const Logger = require('../Logger')
const Download = require('../objects/Download')
const AbManagerTask = require('../objects/AbManagerTask')
const filePerms = require('../utils/filePerms')
const { getId } = require('../utils/index')
const { writeConcatFile, writeMetadataFile } = require('../utils/ffmpegHelpers')
const { writeConcatFile } = require('../utils/ffmpegHelpers')
const toneHelpers = require('../utils/toneHelpers')
const { getFileSize } = require('../utils/fileUtils')
class AbMergeManager {
@ -18,8 +19,8 @@ class AbMergeManager {
this.downloadDirPath = Path.join(global.MetadataPath, 'downloads')
this.downloadDirPathExist = false
this.pendingDownloads = []
this.downloads = []
this.pendingTasks = []
this.tasks = []
}
async ensureDownloadDirPath() { // Creates download path if necessary and sets owner and permissions
@ -38,14 +39,14 @@ class AbMergeManager {
this.downloadDirPathExist = true
}
getDownload(downloadId) {
return this.downloads.find(d => d.id === downloadId)
getTask(taskId) {
return this.tasks.find(d => d.id === taskId)
}
removeDownloadById(downloadId) {
var download = this.getDownload(downloadId)
if (download) {
this.removeDownload(download)
removeTaskById(taskId) {
var task = this.getTask(taskId)
if (task) {
this.removeTask(task)
}
}
@ -68,46 +69,46 @@ class AbMergeManager {
}
async startAudiobookMerge(user, libraryItem) {
var downloadId = getId('abmerge')
var dlpath = Path.join(this.downloadDirPath, downloadId)
Logger.info(`Start audiobook merge for ${libraryItem.id} - DownloadId: ${downloadId} - ${dlpath}`)
var taskId = getId('abmerge')
var dlpath = Path.join(this.downloadDirPath, taskId)
Logger.info(`Start audiobook merge for ${libraryItem.id} - TaskId: ${taskId} - ${dlpath}`)
var audiobookDirname = Path.basename(libraryItem.path)
var filename = audiobookDirname + '.m4b'
var downloadData = {
id: downloadId,
var taskData = {
id: taskId,
libraryItemId: libraryItem.id,
type: 'abmerge',
dirpath: dlpath,
path: Path.join(dlpath, filename),
filename,
ext: '.m4b',
userId: user.id
userId: user.id,
libraryItemPath: libraryItem.path,
originalTrackPaths: libraryItem.media.tracks.map(t => t.metadata.path)
}
var download = new Download()
download.setData(downloadData)
download.setTimeoutTimer(this.downloadTimedOut.bind(this))
var abManagerTask = new AbManagerTask()
abManagerTask.setData(taskData)
abManagerTask.setTimeoutTimer(this.downloadTimedOut.bind(this))
try {
await fs.mkdir(download.dirpath)
await fs.mkdir(abManagerTask.dirpath)
} catch (error) {
Logger.error(`[AbMergeManager] Failed to make directory ${download.dirpath}`)
Logger.error(`[AbMergeManager] Failed to make directory ${abManagerTask.dirpath}`)
Logger.debug(`[AbMergeManager] Make directory error: ${error}`)
var downloadJson = download.toJSON()
this.clientEmitter(user.id, 'abmerge_failed', downloadJson)
var taskJson = abManagerTask.toJSON()
this.clientEmitter(user.id, 'abmerge_failed', taskJson)
return
}
this.clientEmitter(user.id, 'abmerge_started', download.toJSON())
this.runAudiobookMerge(libraryItem, download)
this.clientEmitter(user.id, 'abmerge_started', abManagerTask.toJSON())
this.runAudiobookMerge(libraryItem, abManagerTask)
}
async runAudiobookMerge(libraryItem, download) {
async runAudiobookMerge(libraryItem, abManagerTask) {
// If changing audio file type then encoding is needed
var audioTracks = libraryItem.media.tracks
var audioRequiresEncode = audioTracks[0].metadata.ext !== download.ext
var audioRequiresEncode = audioTracks[0].metadata.ext !== abManagerTask.ext
var shouldIncludeCover = libraryItem.media.coverPath
var firstTrackIsM4b = audioTracks[0].metadata.ext.toLowerCase() === '.m4b'
var isOneTrack = audioTracks.length === 1
@ -115,7 +116,7 @@ class AbMergeManager {
const ffmpegInputs = []
if (!isOneTrack) {
var concatFilePath = Path.join(download.dirpath, 'files.txt')
var concatFilePath = Path.join(abManagerTask.dirpath, 'files.txt')
console.log('Write files.txt', concatFilePath)
await writeConcatFile(audioTracks, concatFilePath)
ffmpegInputs.push({
@ -138,8 +139,8 @@ class AbMergeManager {
'-map 0:a',
'-acodec aac',
'-ac 2',
'-b:a 64k',
'-movflags use_metadata_tags'
'-b:a 64k'
// '-movflags use_metadata_tags'
])
} else {
ffmpegOptions.push('-max_muxing_queue_size 1000')
@ -150,34 +151,33 @@ class AbMergeManager {
ffmpegOptions.push('-c:a copy')
}
}
if (download.ext === '.m4b') {
if (abManagerTask.ext === '.m4b') {
ffmpegOutputOptions.push('-f mp4')
}
// Create ffmetadata file
var metadataFilePath = Path.join(download.dirpath, 'metadata.txt')
await writeMetadataFile(libraryItem, metadataFilePath)
ffmpegInputs.push({
input: metadataFilePath
})
ffmpegOptions.push('-map_metadata 1')
// Embed cover art
if (shouldIncludeCover) {
var coverPath = libraryItem.media.coverPath.replace(/\\/g, '/')
ffmpegInputs.push({
input: coverPath,
options: ['-f image2pipe']
})
ffmpegOptions.push('-c:v copy')
ffmpegOptions.push('-map 2:v')
var chaptersFilePath = null
if (libraryItem.media.chapters.length) {
chaptersFilePath = Path.join(abManagerTask.dirpath, 'chapters.txt')
try {
await toneHelpers.writeToneChaptersFile(libraryItem.media.chapters, chaptersFilePath)
} catch (error) {
Logger.error(`[AbMergeManager] Write chapters.txt failed`, error)
chaptersFilePath = null
}
}
const toneMetadataObject = toneHelpers.getToneMetadataObject(libraryItem, chaptersFilePath)
toneMetadataObject.TrackNumber = 1
abManagerTask.toneMetadataObject = toneMetadataObject
Logger.debug(`[AbMergeManager] Book "${libraryItem.media.metadata.title}" tone metadata object=`, toneMetadataObject)
var workerData = {
inputs: ffmpegInputs,
options: ffmpegOptions,
outputOptions: ffmpegOutputOptions,
output: download.path,
output: abManagerTask.path,
}
var worker = null
@ -186,19 +186,19 @@ class AbMergeManager {
worker = new workerThreads.Worker(workerPath, { workerData })
} catch (error) {
Logger.error(`[AbMergeManager] Start worker thread failed`, error)
if (download.userId) {
var downloadJson = download.toJSON()
this.clientEmitter(download.userId, 'abmerge_failed', downloadJson)
if (abManagerTask.userId) {
var taskJson = abManagerTask.toJSON()
this.clientEmitter(abManagerTask.userId, 'abmerge_failed', taskJson)
}
this.removeDownload(download)
this.removeTask(abManagerTask)
return
}
worker.on('message', (message) => {
if (message != null && typeof message === 'object') {
if (message.type === 'RESULT') {
if (!download.isTimedOut) {
this.sendResult(download, message)
if (!abManagerTask.isTimedOut) {
this.sendResult(abManagerTask, message)
}
} else if (message.type === 'FFMPEG') {
if (Logger[message.level]) {
@ -209,78 +209,114 @@ class AbMergeManager {
Logger.error('Invalid worker message', message)
}
})
this.pendingDownloads.push({
id: download.id,
download,
this.pendingTasks.push({
id: abManagerTask.id,
abManagerTask,
worker
})
}
async sendResult(download, result) {
download.clearTimeoutTimer()
async sendResult(abManagerTask, result) {
abManagerTask.clearTimeoutTimer()
// Remove pending download
this.pendingDownloads = this.pendingDownloads.filter(d => d.id !== download.id)
// Remove pending task
this.pendingTasks = this.pendingTasks.filter(d => d.id !== abManagerTask.id)
if (result.isKilled) {
if (download.userId) {
this.clientEmitter(download.userId, 'abmerge_killed', download.toJSON())
if (abManagerTask.userId) {
this.clientEmitter(abManagerTask.userId, 'abmerge_killed', abManagerTask.toJSON())
}
return
}
if (!result.success) {
if (download.userId) {
this.clientEmitter(download.userId, 'abmerge_failed', download.toJSON())
if (abManagerTask.userId) {
this.clientEmitter(abManagerTask.userId, 'abmerge_failed', abManagerTask.toJSON())
}
this.removeDownload(download)
this.removeTask(abManagerTask)
return
}
// Write metadata to merged file
const success = await toneHelpers.tagAudioFile(abManagerTask.path, abManagerTask.toneMetadataObject)
if (!success) {
Logger.error(`[AbMergeManager] Failed to write metadata to file "${abManagerTask.path}"`)
if (abManagerTask.userId) {
this.clientEmitter(abManagerTask.userId, 'abmerge_failed', abManagerTask.toJSON())
}
this.removeTask(abManagerTask)
return
}
// Move library item tracks to cache
const itemCacheDir = Path.join(global.MetadataPath, `cache/items/${abManagerTask.libraryItemId}`)
await fs.ensureDir(itemCacheDir)
for (const trackPath of abManagerTask.originalTrackPaths) {
const trackFilename = Path.basename(trackPath)
const moveToPath = Path.join(itemCacheDir, trackFilename)
Logger.debug(`[AbMergeManager] Backing up original track "${trackPath}" to ${moveToPath}`)
await fs.move(trackPath, moveToPath, { overwrite: true }).catch((err) => {
Logger.error(`[AbMergeManager] Failed to move track "${trackPath}" to "${moveToPath}"`, err)
})
}
// Set file permissions and ownership
await filePerms.setDefault(download.path)
await filePerms.setDefault(abManagerTask.path)
await filePerms.setDefault(itemCacheDir)
var filesize = await getFileSize(download.path)
download.setComplete(filesize)
if (download.userId) {
this.clientEmitter(download.userId, 'abmerge_ready', download.toJSON())
// Move merged file to library item
const moveToPath = Path.join(abManagerTask.libraryItemPath, abManagerTask.filename)
Logger.debug(`[AbMergeManager] Moving merged audiobook to library item at "${moveToPath}"`)
const moveSuccess = await fs.move(abManagerTask.path, moveToPath, { overwrite: true }).then(() => true).catch((err) => {
Logger.error(`[AbMergeManager] Failed to move merged audiobook from "${abManagerTask.path}" to "${moveToPath}"`, err)
return false
})
if (!moveSuccess) {
// TODO: Revert cached og files?
}
download.setExpirationTimer(this.downloadExpired.bind(this))
this.downloads.push(download)
Logger.info(`[AbMergeManager] Download Ready ${download.id}`)
var filesize = await getFileSize(abManagerTask.path)
abManagerTask.setComplete(filesize)
if (abManagerTask.userId) {
this.clientEmitter(abManagerTask.userId, 'abmerge_ready', abManagerTask.toJSON())
}
// abManagerTask.setExpirationTimer(this.downloadExpired.bind(this))
// this.tasks.push(abManagerTask)
await this.removeTask(abManagerTask)
Logger.info(`[AbMergeManager] Ab task finished ${abManagerTask.id}`)
}
async downloadExpired(download) {
Logger.info(`[AbMergeManager] Download ${download.id} expired`)
// async downloadExpired(abManagerTask) {
// Logger.info(`[AbMergeManager] Download ${abManagerTask.id} expired`)
if (download.userId) {
this.clientEmitter(download.userId, 'abmerge_expired', download.toJSON())
// if (abManagerTask.userId) {
// this.clientEmitter(abManagerTask.userId, 'abmerge_expired', abManagerTask.toJSON())
// }
// this.removeTask(abManagerTask)
// }
async downloadTimedOut(abManagerTask) {
Logger.info(`[AbMergeManager] Download ${abManagerTask.id} timed out (${abManagerTask.timeoutTimeMs}ms)`)
if (abManagerTask.userId) {
var taskJson = abManagerTask.toJSON()
taskJson.isTimedOut = true
this.clientEmitter(abManagerTask.userId, 'abmerge_failed', taskJson)
}
this.removeDownload(download)
this.removeTask(abManagerTask)
}
async downloadTimedOut(download) {
Logger.info(`[AbMergeManager] Download ${download.id} timed out (${download.timeoutTimeMs}ms)`)
async removeTask(abManagerTask) {
Logger.info('[AbMergeManager] Removing task ' + abManagerTask.id)
if (download.userId) {
var downloadJson = download.toJSON()
downloadJson.isTimedOut = true
this.clientEmitter(download.userId, 'abmerge_failed', downloadJson)
}
this.removeDownload(download)
}
abManagerTask.clearTimeoutTimer()
// abManagerTask.clearExpirationTimer()
async removeDownload(download) {
Logger.info('[AbMergeManager] Removing download ' + download.id)
download.clearTimeoutTimer()
download.clearExpirationTimer()
var pendingDl = this.pendingDownloads.find(d => d.id === download.id)
var pendingDl = this.pendingTasks.find(d => d.id === abManagerTask.id)
if (pendingDl) {
this.pendingDownloads = this.pendingDownloads.filter(d => d.id !== download.id)
this.pendingTasks = this.pendingTasks.filter(d => d.id !== abManagerTask.id)
Logger.warn(`[AbMergeManager] Removing download in progress - stopping worker`)
if (pendingDl.worker) {
try {
@ -291,12 +327,12 @@ class AbMergeManager {
}
}
await fs.remove(download.dirpath).then(() => {
Logger.info('[AbMergeManager] Deleted download', download.dirpath)
await fs.remove(abManagerTask.dirpath).then(() => {
Logger.info('[AbMergeManager] Deleted download', abManagerTask.dirpath)
}).catch((err) => {
Logger.error('[AbMergeManager] Failed to delete download', err)
})
this.downloads = this.downloads.filter(d => d.id !== download.id)
this.tasks = this.tasks.filter(d => d.id !== abManagerTask.id)
}
}
module.exports = AbMergeManager