logLevel as server setting, logger config page, re-scan audiobook option, fix embedded cover extraction, flac and mobi support, fix series bookshelf not wrapping

Dockerfile

@@ -11,7 +11,6 @@ RUN npm run generate
 ### STAGE 2: Build server ###
 FROM node:12-alpine
 ENV NODE_ENV=production
-ENV LOG_LEVEL=INFO
 COPY --from=build /client/dist /client/dist
 COPY --from=ffmpeg / /
 COPY index.js index.js

client/components/AudioPlayer.vue

@@ -440,7 +440,7 @@ export default {
         })
 
         this.hlsInstance.on(Hls.Events.ERROR, (e, data) => {
-          console.error('[HLS] Error', data.type, data.details)
+          console.error('[HLS] Error', data.type, data.details, data)
           if (data.details === Hls.ErrorDetails.BUFFER_STALLED_ERROR) {
             console.error('[HLS] BUFFER STALLED ERROR')
           }

client/components/app/BookShelf.vue

@@ -102,7 +102,8 @@ export default {
       return 16 * this.sizeMultiplier
     },
     bookWidth() {
-      return this.bookCoverWidth + this.paddingX * 2
+      var _width = this.bookCoverWidth + this.paddingX * 2
+      return this.showGroups ? _width * 1.6 : _width
     },
     isSelectionMode() {
       return this.$store.getters['getNumAudiobooksSelected']
@@ -161,6 +162,7 @@ export default {
     setBookshelfEntities() {
       this.wrapperClientWidth = this.$refs.wrapper.clientWidth
       var width = Math.max(0, this.wrapperClientWidth - this.rowPaddingX * 2)
+
       var booksPerRow = Math.floor(width / this.bookWidth)
 
       var entities = this.entities

client/components/modals/edit-tabs/Details.vue

@@ -56,10 +56,14 @@
         <div class="flex px-4">
           <ui-btn v-if="userCanDelete" color="error" type="button" small @click.stop.prevent="deleteAudiobook">Remove</ui-btn>
 
-          <ui-tooltip text="(Root User Only) Save a NFO metadata file in your audiobooks directory" class="mx-4">
+          <ui-tooltip text="(Root User Only) Save a NFO metadata file in your audiobooks directory" direction="bottom" class="ml-4">
             <ui-btn v-if="isRootUser" :loading="savingMetadata" color="bg" type="button" class="h-full" small @click.stop.prevent="saveMetadata">Save Metadata</ui-btn>
           </ui-tooltip>
 
+          <ui-tooltip text="(Root User Only) Rescan audiobook including metadata" direction="bottom" class="ml-4">
+            <ui-btn v-if="isRootUser" :loading="rescanning" color="bg" type="button" class="h-full" small @click.stop.prevent="rescan">Re-Scan</ui-btn>
+          </ui-tooltip>
+
           <div class="flex-grow" />
           <ui-btn type="submit">Submit</ui-btn>
         </div>
@@ -93,7 +97,8 @@ export default {
       newTags: [],
       resettingProgress: false,
       isScrollable: false,
-      savingMetadata: false
+      savingMetadata: false,
+      rescanning: false
     }
   },
   watch: {
@@ -136,6 +141,23 @@ export default {
     }
   },
   methods: {
+    audiobookScanComplete(result) {
+      this.rescanning = false
+      if (!result) {
+        this.$toast.error(`Re-Scan Failed for "${this.title}"`)
+      } else if (result === 'UPDATED') {
+        this.$toast.success(`Re-Scan complete audiobook was updated`)
+      } else if (result === 'UPTODATE') {
+        this.$toast.success(`Re-Scan complete audiobook was up to date`)
+      } else if (result === 'REMOVED') {
+        this.$toast.error(`Re-Scan complete audiobook was removed`)
+      }
+    },
+    rescan() {
+      this.rescanning = true
+      this.$root.socket.once('audiobook_scan_complete', this.audiobookScanComplete)
+      this.$root.socket.emit('scan_audiobook', this.audiobookId)
+    },
     saveMetadataComplete(result) {
       this.savingMetadata = false
       if (result.error) {

client/components/ui/Dropdown.vue

@@ -0,0 +1,72 @@
+<template>
+  <div class="relative w-44" v-click-outside="clickOutside">
+    <p class="text-sm text-opacity-75 mb-1">{{ label }}</p>
+    <button type="button" class="relative w-full bg-fg border border-gray-500 rounded shadow-sm pl-3 pr-10 py-2 text-left focus:outline-none sm:text-sm cursor-pointer" aria-haspopup="listbox" aria-expanded="true" @click.stop.prevent="showMenu = !showMenu">
+      <span class="flex items-center">
+        <span class="block truncate">{{ selectedText }}</span>
+      </span>
+      <span class="ml-3 absolute inset-y-0 right-0 flex items-center pr-2 pointer-events-none">
+        <span class="material-icons text-gray-100">chevron_down</span>
+      </span>
+    </button>
+
+    <transition name="menu">
+      <ul v-show="showMenu" class="absolute z-10 -mt-px w-full bg-primary border border-black-200 shadow-lg max-h-56 rounded-b-md py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" tabindex="-1" role="listbox" aria-activedescendant="listbox-option-3">
+        <template v-for="item in items">
+          <li :key="item.value" class="text-gray-100 select-none relative py-2 cursor-pointer hover:bg-black-400" id="listbox-option-0" role="option" @click="clickedOption(item.value)">
+            <div class="flex items-center">
+              <span class="font-normal ml-3 block truncate font-sans">{{ item.text }}</span>
+            </div>
+          </li>
+        </template>
+      </ul>
+    </transition>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    value: [String, Number],
+    label: {
+      type: String,
+      default: ''
+    },
+    items: {
+      type: Array,
+      default: () => []
+    }
+  },
+  data() {
+    return {
+      showMenu: false
+    }
+  },
+  computed: {
+    selected: {
+      get() {
+        return this.value
+      },
+      set(val) {
+        this.$emit('input', val)
+      }
+    },
+    selectedItem() {
+      return this.items.find((i) => i.value === this.selected)
+    },
+    selectedText() {
+      return this.selectedItem ? this.selectedItem.text : ''
+    }
+  },
+  methods: {
+    clickOutside() {
+      this.showMenu = false
+    },
+    clickedOption(itemValue) {
+      this.selected = itemValue
+      this.showMenu = false
+    }
+  },
+  mounted() {}
+}
+</script>

client/layouts/default.vue

@@ -127,21 +127,6 @@ export default {
         this.$store.commit('setScanProgress', progress)
       }
     },
-    saveMetadataComplete(result) {
-      if (result.error) {
-        this.$toast.error(result.error)
-      } else if (result.audiobookId) {
-        var { savedPath } = result
-        if (!savedPath) {
-          this.$toast.error(`Failed to save metadata file (${result.audiobookId})`)
-        } else {
-          this.$toast.success(`Metadata file saved (${result.audiobookId})`)
-        }
-      } else {
-        var { success, failed } = result
-        this.$toast.success(`Metadata save complete\n${success} Succeeded\n${failed} Failed`)
-      }
-    },
     userUpdated(user) {
       if (this.$store.state.user.user.id === user.id) {
         this.$store.commit('user/setUser', user)
@@ -205,6 +190,9 @@ export default {
       download.status = this.$constants.DownloadStatus.EXPIRED
       this.$store.commit('downloads/addUpdateDownload', download)
     },
+    logEvtReceived(payload) {
+      this.$store.commit('logs/logEvt', payload)
+    },
     initializeSocket() {
       this.socket = this.$nuxtSocket({
         name: process.env.NODE_ENV === 'development' ? 'dev' : 'prod',
@@ -245,7 +233,6 @@ export default {
       this.socket.on('scan_start', this.scanStart)
       this.socket.on('scan_complete', this.scanComplete)
       this.socket.on('scan_progress', this.scanProgress)
-      // this.socket.on('save_metadata_complete', this.saveMetadataComplete)
 
       // Download Listeners
       this.socket.on('download_started', this.downloadStarted)
@@ -253,6 +240,8 @@ export default {
       this.socket.on('download_failed', this.downloadFailed)
       this.socket.on('download_killed', this.downloadKilled)
       this.socket.on('download_expired', this.downloadExpired)
+
+      this.socket.on('log', this.logEvtReceived)
     },
     showUpdateToast(versionData) {
       var ignoreVersion = localStorage.getItem('ignoreVersion')

client/middleware/routed.js

@@ -6,8 +6,13 @@ export default function (context) {
 
     if (route.name === 'login' || from.name === 'login') return
 
-    if (route.name === 'config' || route.name === 'upload' || route.name === 'account' || route.name.startsWith('audiobook-id')) {
+    if (!route.name) {
-      if (from.name !== route.name && from.name !== 'audiobook-id-edit' && from.name !== 'config' && from.name !== 'upload' && from.name !== 'account') {
+      console.warn('No Route name', route)
+      return
+    }
+
+    if (route.name.startsWith('config') || route.name === 'upload' || route.name === 'account' || route.name.startsWith('audiobook-id')) {
+      if (from.name !== route.name && from.name !== 'audiobook-id-edit' && from.name !== 'config' && from.name !== 'config-log' && from.name !== 'upload' && from.name !== 'account') {
         var _history = [...store.state.routeHistory]
         if (!_history.length || _history[_history.length - 1] !== from.fullPath) {
           _history.push(from.fullPath)

client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "audiobookshelf-client",
-  "version": "1.2.9",
+  "version": "1.3.1",
   "description": "Audiobook manager and player",
   "main": "index.js",
   "scripts": {

client/pages/config/index.vue

@@ -34,8 +34,10 @@
           </tr>
         </table>
       </div>
+
       <div class="h-0.5 bg-primary bg-opacity-50 w-full" />
-      <div class="py-4 mb-8">
+
+      <div class="py-4 mb-4">
         <p class="text-2xl">Scanner</p>
         <div class="flex items-start py-2">
           <div class="py-2">
@@ -65,6 +67,8 @@
 
       <div class="flex items-center py-4">
         <ui-btn color="bg" small :padding-x="4" :loading="isResettingAudiobooks" @click="resetAudiobooks">Reset All Audiobooks</ui-btn>
+        <div class="flex-grow" />
+        <ui-btn to="/config/log">View Logger</ui-btn>
       </div>
 
       <div class="h-0.5 bg-primary bg-opacity-50 w-full" />
@@ -134,6 +138,9 @@ export default {
       var payload = {
         scannerParseSubtitle: val
       }
+      this.updateServerSettings(payload)
+    },
+    updateServerSettings(payload) {
       this.$store
         .dispatch('updateServerSettings', payload)
         .then((success) => {
@@ -175,6 +182,7 @@ export default {
           .then(() => {
             this.isResettingAudiobooks = false
             this.$toast.success('Successfully reset audiobooks')
+            location.reload()
           })
           .catch((error) => {
             console.error('failed to reset audiobooks', error)

client/pages/config/log.vue

@@ -0,0 +1,136 @@
+<template>
+  <div id="page-wrapper" class="page p-6 overflow-y-auto" :class="streamAudiobook ? 'streaming' : ''">
+    <div class="w-full max-w-4xl mx-auto">
+      <div class="mb-4 flex items-center justify-between">
+        <p class="text-2xl">Logger</p>
+
+        <ui-dropdown v-model="newServerSettings.logLevel" label="Server Log Level" :items="logLevelItems" @input="logLevelUpdated" />
+      </div>
+
+      <div class="relative">
+        <div ref="container" class="relative w-full h-full bg-primary border-bg overflow-x-hidden overflow-y-auto text-red shadow-inner rounded-md" style="max-height: 550px; min-height: 550px">
+          <template v-for="(log, index) in logs">
+            <div :key="index" class="flex flex-nowrap px-2 py-1 items-start text-sm bg-opacity-10" :class="`bg-${logColors[log.level]}`">
+              <p class="text-gray-400 w-40 font-mono">{{ log.timestamp.split('.')[0].split('T').join(' ') }}</p>
+              <p class="font-semibold w-12 text-right" :class="`text-${logColors[log.level]}`">{{ log.levelName }}</p>
+              <p class="px-4 logmessage">{{ log.message }}</p>
+            </div>
+          </template>
+        </div>
+
+        <div v-if="!logs.length" class="absolute top-0 left-0 w-full h-full flex flex-col items-center justify-center text-center">
+          <p class="text-xl text-gray-200 mb-2">No Logs</p>
+          <p class="text-base text-gray-400">Log listening starts when you login</p>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  asyncData({ store, redirect }) {
+    if (!store.getters['user/getIsRoot']) {
+      redirect('/?error=unauthorized')
+    }
+  },
+  data() {
+    return {
+      newServerSettings: {},
+      logColors: ['yellow-200', 'gray-400', 'info', 'warning', 'error', 'red-800', 'blue-400'],
+      logLevels: [
+        {
+          value: 1,
+          text: 'Debug'
+        },
+        {
+          value: 2,
+          text: 'Info'
+        },
+        {
+          value: 3,
+          text: 'Warn'
+        }
+      ]
+    }
+  },
+  watch: {
+    serverSettings(newVal, oldVal) {
+      if (newVal && !oldVal) {
+        this.newServerSettings = { ...this.serverSettings }
+      }
+    },
+    logs() {
+      this.updateScroll()
+    }
+  },
+  computed: {
+    logLevelItems() {
+      if (process.env.NODE_ENV === 'production') return this.logLevels
+      this.logLevels.unshift({ text: 'Trace', value: 0 })
+      return this.logLevels
+    },
+    logs() {
+      return this.$store.state.logs.logs.filter((log) => {
+        return log.level >= this.newServerSettings.logLevel
+      })
+    },
+    serverSettings() {
+      return this.$store.state.serverSettings
+    },
+    streamAudiobook() {
+      return this.$store.state.streamAudiobook
+    }
+  },
+  methods: {
+    updateScroll() {
+      if (this.$refs.container) {
+        this.$refs.container.scrollTop = this.$refs.container.scrollHeight - this.$refs.container.clientHeight
+      }
+    },
+    logLevelUpdated(val) {
+      var payload = {
+        logLevel: Number(val)
+      }
+      this.updateServerSettings(payload)
+
+      this.$store.dispatch('logs/setLogListener', this.newServerSettings.logLevel)
+      this.$nextTick(this.updateScroll)
+    },
+    updateServerSettings(payload) {
+      this.$store
+        .dispatch('updateServerSettings', payload)
+        .then((success) => {
+          console.log('Updated Server Settings', success)
+        })
+        .catch((error) => {
+          console.error('Failed to update server settings', error)
+        })
+    },
+    init(attempts = 0) {
+      if (!this.$root.socket) {
+        if (attempts > 10) {
+          return console.error('Failed to setup socket listeners')
+        }
+        setTimeout(() => {
+          this.init(++attempts)
+        }, 250)
+        return
+      }
+      this.newServerSettings = this.serverSettings ? { ...this.serverSettings } : {}
+    }
+  },
+  updated() {
+    this.$nextTick(this.updateScroll)
+  },
+  mounted() {
+    this.init()
+  }
+}
+</script>
+
+<style scoped>
+.logmessage {
+  width: calc(100% - 208px);
+}
+</style>

client/store/logs.js

@@ -0,0 +1,31 @@
+export const state = () => ({
+  isListening: false,
+  logs: []
+})
+
+export const getters = {
+
+}
+
+export const actions = {
+  setLogListener({ state, commit, dispatch }) {
+    dispatch('$nuxtSocket/emit', {
+      label: 'main',
+      evt: 'set_log_listener',
+      msg: 0
+    }, { root: true })
+    commit('setIsListening', true)
+  }
+}
+
+export const mutations = {
+  setIsListening(state, val) {
+    state.isListening = val
+  },
+  logEvt(state, payload) {
+    state.logs.push(payload)
+    if (state.logs.length > 500) {
+      state.logs = state.logs.slice(50)
+    }
+  }
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "audiobookshelf",
-  "version": "1.2.9",
+  "version": "1.3.1",
   "description": "Self-hosted audiobook server for managing and playing audiobooks",
   "main": "index.js",
   "scripts": {

server/HlsController.js

@@ -21,7 +21,7 @@ class HlsController {
   }
 
   parseSegmentFilename(filename) {
-    var basename = Path.basename(filename, '.ts')
+    var basename = Path.basename(filename, Path.extname(filename))
     var num_part = basename.split('-')[1]
     return Number(num_part)
   }
@@ -41,7 +41,7 @@ class HlsController {
       Logger.warn('File path does not exist', fullFilePath)
 
       var fileExt = Path.extname(req.params.file)
-      if (fileExt === '.ts') {
+      if (fileExt === '.ts' || fileExt === '.m4s') {
         var segNum = this.parseSegmentFilename(req.params.file)
         var stream = this.streamManager.getStream(streamId)
         if (!stream) {
@@ -66,6 +66,7 @@ class HlsController {
         }
       }
     }
+
     // Logger.info('Sending file', fullFilePath)
     res.sendFile(fullFilePath)
   }

server/Logger.js

@@ -1,55 +1,110 @@
-const LOG_LEVEL = {
+const { LogLevel } = require('./utils/constants')
-  TRACE: 0,
-  DEBUG: 1,
-  INFO: 2,
-  WARN: 3,
-  ERROR: 4,
-  FATAL: 5
-}
 
 class Logger {
   constructor() {
-    let env_log_level = process.env.LOG_LEVEL || 'TRACE'
+    this.logLevel = process.env.NODE_ENV === 'production' ? LogLevel.INFO : LogLevel.TRACE
-    this.LogLevel = LOG_LEVEL[env_log_level] || LOG_LEVEL.TRACE
+    this.socketListeners = []
-    this.info(`Log Level: ${this.LogLevel}`)
   }
 
   get timestamp() {
     return (new Date()).toISOString()
   }
 
+  get levelString() {
+    for (const key in LogLevel) {
+      if (LogLevel[key] === this.logLevel) {
+        return key
+      }
+    }
+    return 'UNKNOWN'
+  }
+
+  getLogLevelString(level) {
+    for (const key in LogLevel) {
+      if (LogLevel[key] === level) {
+        return key
+      }
+    }
+    return 'UNKNOWN'
+  }
+
+  addSocketListener(socket, level) {
+    var index = this.socketListeners.findIndex(s => s.id === socket.id)
+    if (index >= 0) {
+      this.socketListeners.splice(index, 1, {
+        id: socket.id,
+        socket,
+        level
+      })
+    } else {
+      this.socketListeners.push({
+        id: socket.id,
+        socket,
+        level
+      })
+    }
+  }
+
+  removeSocketListener(socketId) {
+    this.socketListeners = this.socketListeners.filter(s => s.id !== socketId)
+  }
+
+  logToSockets(level, args) {
+    this.socketListeners.forEach((socketListener) => {
+      if (socketListener.level <= level) {
+        socketListener.socket.emit('log', {
+          timestamp: this.timestamp,
+          message: args.join(' '),
+          levelName: this.getLogLevelString(level),
+          level
+        })
+      }
+    })
+  }
+
+  setLogLevel(level) {
+    this.logLevel = level
+    this.debug(`Set Log Level to ${this.levelString}`)
+  }
+
   trace(...args) {
-    if (this.LogLevel > LOG_LEVEL.TRACE) return
+    if (this.logLevel > LogLevel.TRACE) return
     console.trace(`[${this.timestamp}] TRACE:`, ...args)
+    this.logToSockets(LogLevel.TRACE, args)
   }
 
   debug(...args) {
-    if (this.LogLevel > LOG_LEVEL.DEBUG) return
+    if (this.logLevel > LogLevel.DEBUG) return
     console.debug(`[${this.timestamp}] DEBUG:`, ...args)
+    this.logToSockets(LogLevel.DEBUG, args)
   }
 
   info(...args) {
-    if (this.LogLevel > LOG_LEVEL.INFO) return
+    if (this.logLevel > LogLevel.INFO) return
     console.info(`[${this.timestamp}]  INFO:`, ...args)
-  }
+    this.logToSockets(LogLevel.INFO, args)
-
-  note(...args) {
-    if (this.LogLevel > LOG_LEVEL.INFO) return
-    console.log(`[${this.timestamp}] NOTE:`, ...args)
   }
 
   warn(...args) {
-    if (this.LogLevel > LOG_LEVEL.WARN) return
+    if (this.logLevel > LogLevel.WARN) return
     console.warn(`[${this.timestamp}]  WARN:`, ...args)
+    this.logToSockets(LogLevel.WARN, args)
   }
 
   error(...args) {
-    if (this.LogLevel > LOG_LEVEL.ERROR) return
+    if (this.logLevel > LogLevel.ERROR) return
     console.error(`[${this.timestamp}] ERROR:`, ...args)
+    this.logToSockets(LogLevel.ERROR, args)
   }
 
   fatal(...args) {
     console.error(`[${this.timestamp}] FATAL:`, ...args)
+    this.logToSockets(LogLevel.FATAL, args)
+  }
+
+  note(...args) {
+    console.log(`[${this.timestamp}] NOTE:`, ...args)
+    this.logToSockets(LogLevel.NOTE, args)
   }
 }
 module.exports = new Logger()

server/Scanner.js

@@ -60,11 +60,19 @@ class Scanner {
     return audiobookDataAudioFiles.filter(abdFile => !!abdFile.ino)
   }
 
-  async scanAudiobookData(audiobookData) {
+  async scanAudiobookData(audiobookData, forceAudioFileScan = false) {
     var existingAudiobook = this.audiobooks.find(a => a.ino === audiobookData.ino)
     // Logger.debug(`[Scanner] Scanning "${audiobookData.title}" (${audiobookData.ino}) - ${!!existingAudiobook ? 'Exists' : 'New'}`)
 
     if (existingAudiobook) {
+
+      // TEMP: Check if is older audiobook and needs force rescan
+      if (!forceAudioFileScan && existingAudiobook.checkNeedsAudioFileRescan()) {
+        Logger.info(`[Scanner] Re-Scanning all audio files for "${existingAudiobook.title}" (last scan <= 1.3.0)`)
+        forceAudioFileScan = true
+      }
+
+
       // REMOVE: No valid audio files
       // TODO: Label as incomplete, do not actually delete
       if (!audiobookData.audioFiles.length) {
@@ -94,7 +102,6 @@ class Scanner {
         removedAudioTracks.forEach((at) => existingAudiobook.removeAudioTrack(at))
       }
 
-
       // Check for new audio files and sync existing audio files
       var newAudioFiles = []
       var hasUpdatedAudioFiles = false
@@ -113,13 +120,35 @@ class Scanner {
           }
         }
       })
+
+      // Rescan audio file metadata
+      if (forceAudioFileScan) {
+        Logger.info(`[Scanner] Rescanning ${existingAudiobook.audioFiles.length} audio files for "${existingAudiobook.title}"`)
+        var numAudioFilesUpdated = await audioFileScanner.rescanAudioFiles(existingAudiobook)
+        if (numAudioFilesUpdated > 0) {
+          Logger.info(`[Scanner] Rescan complete, ${numAudioFilesUpdated} audio files were updated for "${existingAudiobook.title}"`)
+          hasUpdatedAudioFiles = true
+
+          // Use embedded cover art if audiobook has no cover
+          if (existingAudiobook.hasEmbeddedCoverArt && !existingAudiobook.cover) {
+            var outputCoverDirs = this.getCoverDirectory(existingAudiobook)
+            var relativeDir = await existingAudiobook.saveEmbeddedCoverArt(outputCoverDirs.fullPath, outputCoverDirs.relPath)
+            if (relativeDir) {
+              Logger.debug(`[Scanner] Saved embedded cover art "${relativeDir}"`)
+            }
+          }
+        } else {
+          Logger.info(`[Scanner] Rescan complete, audio files were up to date for "${existingAudiobook.title}"`)
+        }
+      }
+
+      // Scan and add new audio files found and set tracks
       if (newAudioFiles.length) {
         Logger.info(`[Scanner] ${newAudioFiles.length} new audio files were found for audiobook "${existingAudiobook.title}"`)
-        // Scan new audio files found - sets tracks
         await audioFileScanner.scanAudioFiles(existingAudiobook, newAudioFiles)
       }
 
-      // REMOVE: No valid audio tracks
+      // If after a scan no valid audio tracks remain
       // TODO: Label as incomplete, do not actually delete
       if (!existingAudiobook.tracks.length) {
         Logger.error(`[Scanner] "${existingAudiobook.title}" has no valid tracks after update - removing audiobook`)
@@ -131,12 +160,14 @@ class Scanner {
 
       var hasUpdates = removedAudioFiles.length || removedAudioTracks.length || newAudioFiles.length || hasUpdatedAudioFiles
 
+      // Check that audio tracks are in sequential order with no gaps
       if (existingAudiobook.checkUpdateMissingParts()) {
         Logger.info(`[Scanner] "${existingAudiobook.title}" missing parts updated`)
         hasUpdates = true
       }
 
-      var otherFilesUpdated = await existingAudiobook.syncOtherFiles(audiobookData.otherFiles)
+      // Sync other files (all files that are not audio files)
+      var otherFilesUpdated = await existingAudiobook.syncOtherFiles(audiobookData.otherFiles, forceAudioFileScan)
       if (otherFilesUpdated) {
         hasUpdates = true
       }
@@ -202,7 +233,7 @@ class Scanner {
     return ScanResult.ADDED
   }
 
-  async scan() {
+  async scan(forceAudioFileScan = false) {
     // TODO: This temporary fix from pre-release should be removed soon, "checkUpdateInos"
     // TEMP - update ino for each audiobook
     if (this.audiobooks.length) {
@@ -258,8 +289,7 @@ class Scanner {
 
     // Check for new and updated audiobooks
     for (let i = 0; i < audiobookDataFound.length; i++) {
-      var audiobookData = audiobookDataFound[i]
+      var result = await this.scanAudiobookData(audiobookDataFound[i], forceAudioFileScan)
-      var result = await this.scanAudiobookData(audiobookData)
       if (result === ScanResult.ADDED) scanResults.added++
       if (result === ScanResult.REMOVED) scanResults.removed++
       if (result === ScanResult.UPDATED) scanResults.updated++
@@ -283,14 +313,24 @@ class Scanner {
     return scanResults
   }
 
-  async scanAudiobook(audiobookPath) {
+  async scanAudiobookById(audiobookId) {
+    const audiobook = this.db.audiobooks.find(ab => ab.id === audiobookId)
+    if (!audiobook) {
+      Logger.error(`[Scanner] Scan audiobook by id not found ${audiobookId}`)
+      return ScanResult.NOTHING
+    }
+    Logger.info(`[Scanner] Scanning Audiobook "${audiobook.title}"`)
+    return this.scanAudiobook(audiobook.fullPath, true)
+  }
+
+  async scanAudiobook(audiobookPath, forceAudioFileScan = false) {
     Logger.debug('[Scanner] scanAudiobook', audiobookPath)
     var audiobookData = await getAudiobookFileData(this.AudiobookPath, audiobookPath, this.db.serverSettings)
     if (!audiobookData) {
       return ScanResult.NOTHING
     }
     audiobookData.ino = await getIno(audiobookData.fullPath)
-    return this.scanAudiobookData(audiobookData)
+    return this.scanAudiobookData(audiobookData, forceAudioFileScan)
   }
 
   // Files were modified in this directory, check it out

server/Server.js

@@ -6,6 +6,8 @@ const fs = require('fs-extra')
 const fileUpload = require('express-fileupload')
 const rateLimit = require('express-rate-limit')
 
+const { ScanResult } = require('./utils/constants')
+
 const Auth = require('./Auth')
 const Watcher = require('./Watcher')
 const Scanner = require('./Scanner')
@@ -82,20 +84,31 @@ class Server {
   async filesChanged(files) {
     Logger.info('[Server]', files.length, 'Files Changed')
     var result = await this.scanner.filesChanged(files)
-    Logger.info('[Server] Files changed result', result)
+    Logger.debug('[Server] Files changed result', result)
   }
 
-  async scan() {
+  async scan(forceAudioFileScan = false) {
     Logger.info('[Server] Starting Scan')
     this.isScanning = true
     this.isInitialized = true
     this.emitter('scan_start', 'files')
-    var results = await this.scanner.scan()
+    var results = await this.scanner.scan(forceAudioFileScan)
     this.isScanning = false
     this.emitter('scan_complete', { scanType: 'files', results })
     Logger.info('[Server] Scan complete')
   }
 
+  async scanAudiobook(socket, audiobookId) {
+    var result = await this.scanner.scanAudiobookById(audiobookId)
+    var scanResultName = ''
+    for (const key in ScanResult) {
+      if (ScanResult[key] === result) {
+        scanResultName = key
+      }
+    }
+    socket.emit('audiobook_scan_complete', scanResultName)
+  }
+
   async scanCovers() {
     Logger.info('[Server] Start cover scan')
     this.isScanningCovers = true
@@ -287,6 +300,7 @@ class Server {
       socket.on('scan', this.scan.bind(this))
       socket.on('scan_covers', this.scanCovers.bind(this))
       socket.on('cancel_scan', this.cancelScan.bind(this))
+      socket.on('scan_audiobook', (audiobookId) => this.scanAudiobook(socket, audiobookId))
       socket.on('save_metadata', (audiobookId) => this.saveMetadata(socket, audiobookId))
 
       // Streaming
@@ -300,11 +314,15 @@ class Server {
       socket.on('download', (payload) => this.downloadManager.downloadSocketRequest(socket, payload))
       socket.on('remove_download', (downloadId) => this.downloadManager.removeSocketRequest(socket, downloadId))
 
+      socket.on('set_log_listener', (level) => Logger.addSocketListener(socket, level))
+
       socket.on('test', () => {
         socket.emit('test_received', socket.id)
       })
 
       socket.on('disconnect', () => {
+        Logger.removeSocketListener(socket.id)
+
         var _client = this.clients[socket.id]
         if (!_client) {
           Logger.warn('[SOCKET] Socket disconnect, no client ' + socket.id)
@@ -368,6 +386,11 @@ class Server {
       stream: client.stream || null
     }
     client.socket.emit('init', initialPayload)
+
+    // Setup log listener for root user
+    if (user.type === 'root') {
+      Logger.addSocketListener(socket, this.db.serverSettings.logLevel || 0)
+    }
   }
 
   async stop() {

server/objects/AudioFile.js

@@ -1,3 +1,4 @@
+const Logger = require('../Logger')
 const AudioFileMetadata = require('./AudioFileMetadata')
 
 class AudioFile {
@@ -33,6 +34,9 @@ class AudioFile {
     this.exclude = false
     this.error = null
 
+    // TEMP: For forcing rescan
+    this.isOldAudioFile = false
+
     if (data) {
       this.construct(data)
     }
@@ -58,6 +62,7 @@ class AudioFile {
       size: this.size,
       bitRate: this.bitRate,
       language: this.language,
+      codec: this.codec,
       timeBase: this.timeBase,
       channels: this.channels,
       channelLayout: this.channelLayout,
@@ -88,7 +93,7 @@ class AudioFile {
     this.size = data.size
     this.bitRate = data.bitRate
     this.language = data.language
-    this.codec = data.codec
+    this.codec = data.codec || null
     this.timeBase = data.timeBase
     this.channels = data.channels
     this.channelLayout = data.channelLayout
@@ -98,15 +103,11 @@ class AudioFile {
     // Old version of AudioFile used `tagAlbum` etc.
     var isOldVersion = Object.keys(data).find(key => key.startsWith('tag'))
     if (isOldVersion) {
+      this.isOldAudioFile = true
       this.metadata = new AudioFileMetadata(data)
     } else {
       this.metadata = new AudioFileMetadata(data.metadata || {})
     }
-    // this.tagAlbum = data.tagAlbum
-    // this.tagArtist = data.tagArtist
-    // this.tagGenre = data.tagGenre
-    // this.tagTitle = data.tagTitle
-    // this.tagTrack = data.tagTrack
   }
 
   setData(data) {
@@ -131,7 +132,7 @@ class AudioFile {
     this.size = data.size
     this.bitRate = data.bit_rate || null
     this.language = data.language
-    this.codec = data.codec
+    this.codec = data.codec || null
     this.timeBase = data.time_base
     this.channels = data.channels
     this.channelLayout = data.channel_layout
@@ -142,10 +143,74 @@ class AudioFile {
     this.metadata.setData(data)
   }
 
+  syncChapters(updatedChapters) {
+    if (this.chapters.length !== updatedChapters.length) {
+      this.chapters = updatedChapters.map(ch => ({ ...ch }))
+      return true
+    } else if (updatedChapters.length === 0) {
+      if (this.chapters.length > 0) {
+        this.chapters = []
+        return true
+      }
+      return false
+    }
+
+    var hasUpdates = false
+    for (let i = 0; i < updatedChapters.length; i++) {
+      if (JSON.stringify(updatedChapters[i]) !== JSON.stringify(this.chapters[i])) {
+        hasUpdates = true
+      }
+    }
+    if (hasUpdates) {
+      this.chapters = updatedChapters.map(ch => ({ ...ch }))
+    }
+    return hasUpdates
+  }
+
+  // Called from audioFileScanner.js with scanData
+  updateMetadata(data) {
+    if (!this.metadata) this.metadata = new AudioFileMetadata()
+
+    var dataMap = {
+      format: data.format,
+      duration: data.duration,
+      size: data.size,
+      bitRate: data.bit_rate || null,
+      language: data.language,
+      codec: data.codec || null,
+      timeBase: data.time_base,
+      channels: data.channels,
+      channelLayout: data.channel_layout,
+      chapters: data.chapters || [],
+      embeddedCoverArt: data.embedded_cover_art || null
+    }
+
+    var hasUpdates = false
+    for (const key in dataMap) {
+      if (key === 'chapters') {
+        var chaptersUpdated = this.syncChapters(dataMap.chapters)
+        if (chaptersUpdated) {
+          hasUpdates = true
+        }
+      } else if (dataMap[key] !== this[key]) {
+        // Logger.debug(`[AudioFile] "${key}" from ${this[key]} => ${dataMap[key]}`)
+        this[key] = dataMap[key]
+        hasUpdates = true
+      }
+    }
+
+    if (this.metadata.updateData(data)) {
+      hasUpdates = true
+    }
+
+    return hasUpdates
+  }
+
   clone() {
     return new AudioFile(this.toJSON())
   }
 
+  // If the file or parent directory was renamed it is synced here
   syncFile(newFile) {
     var hasUpdates = false
     var keysToSync = ['path', 'fullPath', 'ext', 'filename']

server/objects/AudioFileMetadata.js

@@ -65,5 +65,33 @@ class AudioFileMetadata {
     this.tagEncoder = payload.file_tag_encoder || null
     this.tagEncodedBy = payload.file_tag_encodedby || null
   }
+
+  updateData(payload) {
+    const dataMap = {
+      tagAlbum: payload.file_tag_album || null,
+      tagArtist: payload.file_tag_artist || null,
+      tagGenre: payload.file_tag_genre || null,
+      tagTitle: payload.file_tag_title || null,
+      tagTrack: payload.file_tag_track || null,
+      tagSubtitle: payload.file_tag_subtitle || null,
+      tagAlbumArtist: payload.file_tag_albumartist || null,
+      tagDate: payload.file_tag_date || null,
+      tagComposer: payload.file_tag_composer || null,
+      tagPublisher: payload.file_tag_publisher || null,
+      tagComment: payload.file_tag_comment || null,
+      tagDescription: payload.file_tag_description || null,
+      tagEncoder: payload.file_tag_encoder || null,
+      tagEncodedBy: payload.file_tag_encodedby || null
+    }
+
+    var hasUpdates = false
+    for (const key in dataMap) {
+      if (dataMap[key] !== this[key]) {
+        this[key] = dataMap[key]
+        hasUpdates = true
+      }
+    }
+    return hasUpdates
+  }
 }
 module.exports = AudioFileMetadata

server/objects/AudioTrack.js

@@ -20,13 +20,6 @@ class AudioTrack {
     this.channels = null
     this.channelLayout = null
 
-    // Storing tags in audio track is unnecessary, tags are stored on audio file
-    // this.tagAlbum = null
-    // this.tagArtist = null
-    // this.tagGenre = null
-    // this.tagTitle = null
-    // this.tagTrack = null
-
     if (audioTrack) {
       this.construct(audioTrack)
     }
@@ -50,12 +43,6 @@ class AudioTrack {
     this.timeBase = audioTrack.timeBase
     this.channels = audioTrack.channels
     this.channelLayout = audioTrack.channelLayout
-
-    // this.tagAlbum = audioTrack.tagAlbum
-    // this.tagArtist = audioTrack.tagArtist
-    // this.tagGenre = audioTrack.tagGenre
-    // this.tagTitle = audioTrack.tagTitle
-    // this.tagTrack = audioTrack.tagTrack
   }
 
   get name() {
@@ -78,11 +65,6 @@ class AudioTrack {
       timeBase: this.timeBase,
       channels: this.channels,
       channelLayout: this.channelLayout,
-      // tagAlbum: this.tagAlbum,
-      // tagArtist: this.tagArtist,
-      // tagGenre: this.tagGenre,
-      // tagTitle: this.tagTitle,
-      // tagTrack: this.tagTrack
     }
   }
 
@@ -104,12 +86,18 @@ class AudioTrack {
     this.timeBase = probeData.timeBase
     this.channels = probeData.channels
     this.channelLayout = probeData.channelLayout
+  }
 
-    // this.tagAlbum = probeData.file_tag_album || null
+  syncMetadata(audioFile) {
-    // this.tagArtist = probeData.file_tag_artist || null
+    var hasUpdates = false
-    // this.tagGenre = probeData.file_tag_genre || null
+    var keysToSync = ['format', 'duration', 'size', 'bitRate', 'language', 'codec', 'timeBase', 'channels', 'channelLayout']
-    // this.tagTitle = probeData.file_tag_title || null
+    keysToSync.forEach((key) => {
-    // this.tagTrack = probeData.file_tag_track || null
+      if (audioFile[key] !== undefined && audioFile[key] !== this[key]) {
+        hasUpdates = true
+        this[key] = audioFile[key]
+      }
+    })
+    return hasUpdates
   }
 
   syncFile(newFile) {

server/objects/Audiobook.js

@@ -205,15 +205,22 @@ class Audiobook {
   // this function checks all files and sets the inode
   async checkUpdateInos() {
     var hasUpdates = false
+
+    // Audiobook folder needs inode
     if (!this.ino) {
       this.ino = await getIno(this.fullPath)
       hasUpdates = true
     }
+
+    // Check audio files have an inode
     for (let i = 0; i < this.audioFiles.length; i++) {
       var af = this.audioFiles[i]
       var at = this.tracks.find(t => t.ino === af.ino)
       if (!at) {
         at = this.tracks.find(t => comparePaths(t.path, af.path))
+        if (!at && !af.exclude) {
+          Logger.warn(`[Audiobook] No matching track for audio file "${af.filename}"`)
+        }
       }
       if (!af.ino || af.ino === this.ino) {
         af.ino = await getIno(af.fullPath)
@@ -229,6 +236,7 @@ class Audiobook {
         hasUpdates = true
       }
     }
+
     for (let i = 0; i < this.tracks.length; i++) {
       var at = this.tracks[i]
       if (!at.ino) {
@@ -252,6 +260,7 @@ class Audiobook {
         }
       }
     }
+
     for (let i = 0; i < this.otherFiles.length; i++) {
       var file = this.otherFiles[i]
       if (!file.ino || file.ino === this.ino) {
@@ -267,6 +276,11 @@ class Audiobook {
     return hasUpdates
   }
 
+  // Scans in v1.3.0 or lower will need to rescan audiofiles to pickup metadata and embedded cover
+  checkNeedsAudioFileRescan() {
+    return !!(this.audioFiles || []).find(af => af.isOldAudioFile || af.codec === null)
+  }
+
   setData(data) {
     this.id = (Math.trunc(Math.random() * 1000) + Date.now()).toString(36)
     this.ino = data.ino || null
@@ -409,19 +423,22 @@ class Audiobook {
   }
 
   // On scan check other files found with other files saved
-  async syncOtherFiles(newOtherFiles) {
+  async syncOtherFiles(newOtherFiles, forceRescan = false) {
     var hasUpdates = false
 
     var currOtherFileNum = this.otherFiles.length
 
+    var alreadyHadDescTxt = this.otherFiles.find(of => of.filename === 'desc.txt')
+
     var newOtherFilePaths = newOtherFiles.map(f => f.path)
     this.otherFiles = this.otherFiles.filter(f => newOtherFilePaths.includes(f.path))
 
     // Some files are not there anymore and filtered out
     if (currOtherFileNum !== this.otherFiles.length) hasUpdates = true
 
+    // If desc.txt is new or forcing rescan then read it and update description if empty
     var descriptionTxt = newOtherFiles.find(file => file.filename === 'desc.txt')
-    if (descriptionTxt) {
+    if (descriptionTxt && (!alreadyHadDescTxt || forceRescan)) {
       var newDescription = await readTextFile(descriptionTxt.fullPath)
       if (newDescription) {
         Logger.debug(`[Audiobook] Sync Other File desc.txt: ${newDescription}`)

server/objects/ServerSettings.js

@@ -1,4 +1,5 @@
 const { CoverDestination } = require('../utils/constants')
+const Logger = require('../Logger')
 
 class ServerSettings {
   constructor(settings) {
@@ -11,6 +12,7 @@ class ServerSettings {
     this.saveMetadataFile = false
     this.rateLimitLoginRequests = 10
     this.rateLimitLoginWindow = 10 * 60 * 1000 // 10 Minutes
+    this.logLevel = Logger.logLevel
 
     if (settings) {
       this.construct(settings)
@@ -25,6 +27,11 @@ class ServerSettings {
     this.saveMetadataFile = !!settings.saveMetadataFile
     this.rateLimitLoginRequests = !isNaN(settings.rateLimitLoginRequests) ? Number(settings.rateLimitLoginRequests) : 10
     this.rateLimitLoginWindow = !isNaN(settings.rateLimitLoginWindow) ? Number(settings.rateLimitLoginWindow) : 10 * 60 * 1000 // 10 Minutes
+    this.logLevel = settings.logLevel || Logger.logLevel
+
+    if (this.logLevel !== Logger.logLevel) {
+      Logger.setLogLevel(this.logLevel)
+    }
   }
 
   toJSON() {
@@ -36,7 +43,8 @@ class ServerSettings {
       coverDestination: this.coverDestination,
       saveMetadataFile: !!this.saveMetadataFile,
       rateLimitLoginRequests: this.rateLimitLoginRequests,
-      rateLimitLoginWindow: this.rateLimitLoginWindow
+      rateLimitLoginWindow: this.rateLimitLoginWindow,
+      logLevel: this.logLevel
     }
   }
 
@@ -44,6 +52,9 @@ class ServerSettings {
     var hasUpdates = false
     for (const key in payload) {
       if (this[key] !== payload[key]) {
+        if (key === 'logLevel') {
+          Logger.setLogLevel(payload[key])
+        }
         this[key] = payload[key]
         hasUpdates = true
       }

server/objects/Stream.js

@@ -16,7 +16,6 @@ class Stream extends EventEmitter {
     this.audiobook = audiobook
 
     this.segmentLength = 6
-    this.segmentBasename = 'output-%d.ts'
     this.streamPath = Path.join(streamPath, this.id)
     this.concatFilesPath = Path.join(this.streamPath, 'files.txt')
     this.playlistPath = Path.join(this.streamPath, 'output.m3u8')
@@ -51,6 +50,16 @@ class Stream extends EventEmitter {
     return this.audiobook.totalDuration
   }
 
+  get hlsSegmentType() {
+    var hasFlac = this.tracks.find(t => t.ext.toLowerCase() === '.flac')
+    return hasFlac ? 'fmp4' : 'mpegts'
+  }
+
+  get segmentBasename() {
+    if (this.hlsSegmentType === 'fmp4') return 'output-%d.m4s'
+    return 'output-%d.ts'
+  }
+
   get segmentStartNumber() {
     if (!this.startTime) return 0
     return Math.floor(this.startTime / this.segmentLength)
@@ -98,7 +107,7 @@ class Stream extends EventEmitter {
     var userAudiobook = clientUserAudiobooks[this.audiobookId] || null
     if (userAudiobook) {
       var timeRemaining = this.totalDuration - userAudiobook.currentTime
-      Logger.info('[STREAM] User has progress for audiobook', userAudiobook, `Time Remaining: ${timeRemaining}s`)
+      Logger.info('[STREAM] User has progress for audiobook', userAudiobook.progress, `Time Remaining: ${timeRemaining}s`)
       if (timeRemaining > 15) {
         this.startTime = userAudiobook.currentTime
         this.clientCurrentTime = this.startTime
@@ -133,7 +142,7 @@ class Stream extends EventEmitter {
 
   async generatePlaylist() {
     fs.ensureDirSync(this.streamPath)
-    await hlsPlaylistGenerator(this.playlistPath, 'output', this.totalDuration, this.segmentLength)
+    await hlsPlaylistGenerator(this.playlistPath, 'output', this.totalDuration, this.segmentLength, this.hlsSegmentType)
     return this.clientPlaylistUri
   }
 
@@ -142,7 +151,7 @@ class Stream extends EventEmitter {
       var files = await fs.readdir(this.streamPath)
       files.forEach((file) => {
         var extname = Path.extname(file)
-        if (extname === '.ts') {
+        if (extname === '.ts' || extname === '.m4s') {
           var basename = Path.basename(file, extname)
           var num_part = basename.split('-')[1]
           var part_num = Number(num_part)
@@ -238,24 +247,31 @@ class Stream extends EventEmitter {
     }
 
     const logLevel = process.env.NODE_ENV === 'production' ? 'error' : 'warning'
+    const audioCodec = this.hlsSegmentType === 'fmp4' ? 'aac' : 'copy'
     this.ffmpeg.addOption([
       `-loglevel ${logLevel}`,
       '-map 0:a',
-      '-c:a copy'
+      `-c:a ${audioCodec}`
     ])
-    this.ffmpeg.addOption([
+    const hlsOptions = [
       '-f hls',
       "-copyts",
       "-avoid_negative_ts disabled",
       "-max_delay 5000000",
       "-max_muxing_queue_size 2048",
       `-hls_time 6`,
-      "-hls_segment_type mpegts",
+      `-hls_segment_type ${this.hlsSegmentType}`,
       `-start_number ${this.segmentStartNumber}`,
       "-hls_playlist_type vod",
       "-hls_list_size 0",
       "-hls_allow_cache 0"
-    ])
+    ]
+    if (this.hlsSegmentType === 'fmp4') {
+      hlsOptions.push('-strict -2')
+      var fmp4InitFilename = Path.join(this.streamPath, 'init.mp4')
+      hlsOptions.push(`-hls_fmp4_init_filename ${fmp4InitFilename}`)
+    }
+    this.ffmpeg.addOption(hlsOptions)
     var segmentFilename = Path.join(this.streamPath, this.segmentBasename)
     this.ffmpeg.addOption(`-hls_segment_filename ${segmentFilename}`)
     this.ffmpeg.output(this.finalPlaylistPath)

server/utils/audioFileScanner.js

@@ -83,6 +83,9 @@ function getTrackNumberFromFilename(title, author, series, publishYear, filename
   if (series) partbasename = partbasename.replace(series, '')
   if (publishYear) partbasename = partbasename.replace(publishYear)
 
+  // Remove eg. "disc 1" from path
+  partbasename = partbasename.replace(/ disc \d\d? /i, '')
+
   var numbersinpath = partbasename.match(/\d+/g)
   if (!numbersinpath) return null
 
@@ -95,9 +98,11 @@ async function scanAudioFiles(audiobook, newAudioFiles) {
     Logger.error('[AudioFileScanner] Scan Audio Files no new files', audiobook.title)
     return
   }
+
   var tracks = []
   var numDuplicateTracks = 0
   var numInvalidTracks = 0
+
   for (let i = 0; i < newAudioFiles.length; i++) {
     var audioFile = newAudioFiles[i]
     var scanData = await scan(audioFile.fullPath)
@@ -109,6 +114,7 @@ async function scanAudioFiles(audiobook, newAudioFiles) {
 
     var trackNumFromMeta = getTrackNumberFromMeta(scanData)
     var book = audiobook.book || {}
+
     var trackNumFromFilename = getTrackNumberFromFilename(book.title, book.author, book.series, book.publishYear, audioFile.filename)
 
     var audioFileObj = {
@@ -182,4 +188,47 @@ async function scanAudioFiles(audiobook, newAudioFiles) {
     audiobook.tracks.sort((a, b) => a.index - b.index)
   }
 }
-module.exports.scanAudioFiles = scanAudioFiles
+module.exports.scanAudioFiles = scanAudioFiles
+
+
+async function rescanAudioFiles(audiobook) {
+
+  var audioFiles = audiobook.audioFiles
+  var updates = 0
+
+  for (let i = 0; i < audioFiles.length; i++) {
+    var audioFile = audioFiles[i]
+    var scanData = await scan(audioFile.fullPath)
+    if (!scanData || scanData.error) {
+      Logger.error('[AudioFileScanner] Scan failed for', audioFile.path)
+      // audiobook.invalidAudioFiles.push(parts[i])
+      continue;
+    }
+    var hasUpdates = audioFile.updateMetadata(scanData)
+    if (hasUpdates) {
+      // Sync audio track with audio file
+      var matchingAudioTrack = audiobook.tracks.find(t => t.ino === audioFile.ino)
+      if (matchingAudioTrack) {
+        matchingAudioTrack.syncMetadata(audioFile)
+      } else if (!audioFile.exclude) { // If audio file is not excluded then it should have an audio track
+
+        // Fallback to checking path
+        matchingAudioTrack = audiobook.tracks.find(t => t.path === audioFile.path)
+        if (matchingAudioTrack) {
+          Logger.warn(`[AudioFileScanner] Audio File mismatch ino with audio track "${audioFile.filename}"`)
+          matchingAudioTrack.ino = audioFile.ino
+          matchingAudioTrack.syncMetadata(audioFile)
+        } else {
+          Logger.error(`[AudioFileScanner] Audio File has no matching Track ${audioFile.filename} for "${audiobook.title}"`)
+
+          // Exclude audio file to prevent further errors
+          // audioFile.exclude = true
+        }
+      }
+      updates++
+    }
+  }
+
+  return updates
+}
+module.exports.rescanAudioFiles = rescanAudioFiles

server/utils/constants.js

@@ -9,4 +9,14 @@ module.exports.ScanResult = {
 module.exports.CoverDestination = {
   METADATA: 0,
   AUDIOBOOK: 1
+}
+
+module.exports.LogLevel = {
+  TRACE: 0,
+  DEBUG: 1,
+  INFO: 2,
+  WARN: 3,
+  ERROR: 4,
+  FATAL: 5,
+  NOTE: 6
 }

server/utils/ffmpegHelpers.js

@@ -75,7 +75,7 @@ async function extractCoverArt(filepath, outputpath) {
 
   return new Promise((resolve) => {
     var ffmpeg = Ffmpeg(filepath)
-    ffmpeg.addOption(['-map 0:v'])
+    ffmpeg.addOption(['-map 0:v', '-frames:v 1'])
     ffmpeg.output(outputpath)
 
     ffmpeg.on('start', (cmd) => {

server/utils/hlsPlaylistGenerator.js

@@ -1,6 +1,8 @@
 const fs = require('fs-extra')
 
-function getPlaylistStr(segmentName, duration, segmentLength) {
+function getPlaylistStr(segmentName, duration, segmentLength, hlsSegmentType) {
+  var ext = hlsSegmentType === 'fmp4' ? 'm4s' : 'ts'
+
   var lines = [
     '#EXTM3U',
     '#EXT-X-VERSION:3',
@@ -9,22 +11,25 @@ function getPlaylistStr(segmentName, duration, segmentLength) {
     '#EXT-X-MEDIA-SEQUENCE:0',
     '#EXT-X-PLAYLIST-TYPE:VOD'
   ]
+  if (hlsSegmentType === 'fmp4') {
+    lines.push('#EXT-X-MAP:URI="init.mp4"')
+  }
   var numSegments = Math.floor(duration / segmentLength)
   var lastSegment = duration - (numSegments * segmentLength)
   for (let i = 0; i < numSegments; i++) {
     lines.push(`#EXTINF:6,`)
-    lines.push(`${segmentName}-${i}.ts`)
+    lines.push(`${segmentName}-${i}.${ext}`)
   }
   if (lastSegment > 0) {
     lines.push(`#EXTINF:${lastSegment},`)
-    lines.push(`${segmentName}-${numSegments}.ts`)
+    lines.push(`${segmentName}-${numSegments}.${ext}`)
   }
   lines.push('#EXT-X-ENDLIST')
   return lines.join('\n')
 }
 
-function generatePlaylist(outputPath, segmentName, duration, segmentLength) {
+function generatePlaylist(outputPath, segmentName, duration, segmentLength, hlsSegmentType) {
-  var playlistStr = getPlaylistStr(segmentName, duration, segmentLength)
+  var playlistStr = getPlaylistStr(segmentName, duration, segmentLength, hlsSegmentType)
   return fs.writeFile(outputPath, playlistStr)
 }
 module.exports = generatePlaylist

server/utils/prober.js

@@ -137,7 +137,6 @@ function parseChapters(chapters) {
 
 function parseTags(format) {
   if (!format.tags) {
-    Logger.debug('No Tags')
     return {}
   }
   // Logger.debug('Tags', format.tags)

server/utils/scandir.js

@@ -3,10 +3,10 @@ const dir = require('node-dir')
 const Logger = require('../Logger')
 const { getIno } = require('./index')
 
-const AUDIO_FORMATS = ['m4b', 'mp3', 'm4a']
+const AUDIO_FORMATS = ['m4b', 'mp3', 'm4a', 'flac']
 const INFO_FORMATS = ['nfo']
 const IMAGE_FORMATS = ['png', 'jpg', 'jpeg', 'webp']
-const EBOOK_FORMATS = ['epub', 'pdf']
+const EBOOK_FORMATS = ['epub', 'pdf', 'mobi']
 
 function getPaths(path) {
   return new Promise((resolve) => {