New data model play media entity, PlaybackSessionManager

server/objects/files/AudioTrack.js

@@ -0,0 +1,42 @@
+const Path = require('path')
+
+class AudioTrack {
+  constructor() {
+    this.index = null
+    this.startOffset = null
+    this.duration = null
+    this.title = null
+    this.contentUrl = null
+    this.mimeType = null
+  }
+
+  toJSON() {
+    return {
+      index: this.index,
+      startOffset: this.startOffset,
+      duration: this.duration,
+      title: this.title,
+      contentUrl: this.contentUrl,
+      mimeType: this.mimeType
+    }
+  }
+
+  setData(itemId, audioFile, startOffset) {
+    this.index = audioFile.index
+    this.startOffset = startOffset
+    this.duration = audioFile.duration
+    this.title = audioFile.metadata.filename || ''
+    this.contentUrl = Path.join(`/s/item/${itemId}`, audioFile.metadata.relPath)
+    this.mimeType = audioFile.mimeType
+  }
+
+  setFromStream(title, duration, contentUrl) {
+    this.index = 1
+    this.startOffset = 0
+    this.duration = duration
+    this.title = title
+    this.contentUrl = contentUrl
+    this.mimeType = 'application/vnd.apple.mpegurl'
+  }
+}
+module.exports = AudioTrack