Add audio format information to play screen.

Extended album information with release lebel if available.
Make use of music-metadata module (musicmetadata appears to be no longer maintained)

package.json

@@ -30,8 +30,9 @@
     "languagedetect": "^1.1.1",
     "location-history": "^1.0.0",
     "material-ui": "^0.17.0",
+    "mime": "^2.0.1",
     "mkdirp": "^0.5.1",
-    "musicmetadata": "^2.0.2",
+    "music-metadata": "^0.8.4",
     "network-address": "^1.1.0",
     "parse-torrent": "^5.7.3",
     "prettier-bytes": "^1.0.1",

src/renderer/pages/player-page.js

@@ -206,23 +206,42 @@ function renderOverlay (state) {
 function renderAudioMetadata (state) {
   const fileSummary = state.getPlayingFileSummary()
   if (!fileSummary.audioInfo) return
-  const info = fileSummary.audioInfo
+  const common = fileSummary.audioInfo.common
 
   // Get audio track info
-  let title = info.title
+  let title = common.title
   if (!title) {
     title = fileSummary.name
   }
-  let artist = info.artist && info.artist[0]
-  let album = info.album
-  if (album && info.year && !album.includes(info.year)) {
-    album += ' (' + info.year + ')'
+  let artist = common.albumartist || common.artist ||
+    (common.artists && common.artists.filter(function (a) { return a }).join(', ')) || '(Unknown Artist)'
+  let album = common.album
+  if (album && common.year && !album.includes(common.year)) {
+    album += ' (' + common.year + ')'
+    if (common.label) {
+      album += ', ' + common.label
+    }
   }
   let track
-  if (info.track && info.track.no && info.track.of) {
-    track = info.track.no + ' of ' + info.track.of
+  if (common.track && common.track.no && common.track.of) {
+    track = common.track.no + ' of ' + common.track.of
   }
 
+  let format = []
+  if (fileSummary.audioInfo.format.dataformat) {
+    format.push(fileSummary.audioInfo.format.dataformat)
+  }
+  if (fileSummary.audioInfo.format.bitrate) {
+    format.push(fileSummary.audioInfo.format.bitrate / 1000 + ' kbps')
+  }
+  if (fileSummary.audioInfo.format.sampleRate) {
+    format.push(fileSummary.audioInfo.format.sampleRate / 1000 + ' kHz')
+  }
+  if (fileSummary.audioInfo.format.bitsPerSample) {
+    format.push(fileSummary.audioInfo.format.bitsPerSample + ' bit')
+  }
+  format = format.join(', ')
+
   // Show a small info box in the middle of the screen with title/album/etc
   const elems = []
   if (artist) {
@@ -247,6 +266,14 @@ function renderAudioMetadata (state) {
     ))
   }
 
+  if (format) {
+    elems.push((
+      <div key='format' className='audio-format'>
+        <label>Format</label>{format}
+      </div>
+  ))
+  }
+
   // Align the title with the other info, if available. Otherwise, center title
   const emptyLabel = (<label />)
   elems.unshift((

src/renderer/webtorrent.js

@@ -7,8 +7,9 @@ const deepEqual = require('deep-equal')
 const defaultAnnounceList = require('create-torrent').announceList
 const electron = require('electron')
 const fs = require('fs')
+const mime = require('mime')
 const mkdirp = require('mkdirp')
-const musicmetadata = require('musicmetadata')
+const mm = require('music-metadata')
 const networkAddress = require('network-address')
 const path = require('path')
 const WebTorrent = require('webtorrent')
@@ -334,15 +335,16 @@ function stopServer () {
   server = null
 }
 
+console.log('Initializing...')
+
 function getAudioMetadata (infoHash, index) {
   const torrent = client.get(infoHash)
   const file = torrent.files[index]
-  musicmetadata(file.createReadStream(), function (err, info) {
-    if (err) return console.log('error getting audio metadata for ' + infoHash + ':' + index, err)
-    const { artist, album, albumartist, title, year, track, disk, genre } = info
-    const importantInfo = { artist, album, albumartist, title, year, track, disk, genre }
-    console.log('got audio metadata for %s: %o', file.name, importantInfo)
-    ipc.send('wt-audio-metadata', infoHash, index, importantInfo)
+  mm.parseStream(file.createReadStream(), mime.getType(file.name), {native: false, skipCovers: true}).then(function (metadata) {
+    console.log('got audio metadata for %s: %o', file.name, metadata)
+    ipc.send('wt-audio-metadata', infoHash, index, metadata)
+  }).catch(function (err) {
+    return console.log('error getting audio metadata for ' + infoHash + ':' + index, err)
   })
 }