Add sampleRate and profile extraction for audio files

- Extract sampleRate and profile from audio streams in ffprobe output
- Store sampleRate and profile in AudioFile objects
- Expose sampleRate and profile through API endpoints
- Add JSDoc documentation for new fields

server/models/Book.js

@@ -61,6 +61,8 @@ const libraryItemsBookFilters = require('../utils/queries/libraryItemsBookFilter
  * @property {string} timeBase
  * @property {number} channels
  * @property {string} channelLayout
+ * @property {number} sampleRate
+ * @property {string} profile
  * @property {ChapterObject[]} chapters
  * @property {Object} metaTags
  * @property {string} mimeType

server/objects/files/AudioFile.js

@@ -24,6 +24,8 @@ class AudioFile {
     this.timeBase = null
     this.channels = null
     this.channelLayout = null
+    this.sampleRate = null
+    this.profile = null
     this.chapters = []
     this.embeddedCoverArt = null
 
@@ -62,6 +64,8 @@ class AudioFile {
       timeBase: this.timeBase,
       channels: this.channels,
       channelLayout: this.channelLayout,
+      sampleRate: this.sampleRate,
+      profile: this.profile,
       chapters: this.chapters,
       embeddedCoverArt: this.embeddedCoverArt,
       metaTags: this.metaTags?.toJSON() || {},
@@ -94,6 +98,8 @@ class AudioFile {
     this.timeBase = data.timeBase
     this.channels = data.channels
     this.channelLayout = data.channelLayout
+    this.sampleRate = data.sampleRate
+    this.profile = data.profile
     this.chapters = data.chapters
     this.embeddedCoverArt = data.embeddedCoverArt || null
 
@@ -130,6 +136,8 @@ class AudioFile {
     this.timeBase = probeData.timeBase
     this.channels = probeData.channels
     this.channelLayout = probeData.channelLayout
+    this.sampleRate = probeData.sampleRate
+    this.profile = probeData.profile
     this.chapters = probeData.chapters || []
     this.metaTags = probeData.audioMetaTags
     this.embeddedCoverArt = probeData.embeddedCoverArt
@@ -137,7 +145,7 @@ class AudioFile {
 
   syncChapters(updatedChapters) {
     if (this.chapters.length !== updatedChapters.length) {
-      this.chapters = updatedChapters.map(ch => ({ ...ch }))
+      this.chapters = updatedChapters.map((ch) => ({ ...ch }))
       return true
     } else if (updatedChapters.length === 0) {
       if (this.chapters.length > 0) {
@@ -154,7 +162,7 @@ class AudioFile {
       }
     }
     if (hasUpdates) {
-      this.chapters = updatedChapters.map(ch => ({ ...ch }))
+      this.chapters = updatedChapters.map((ch) => ({ ...ch }))
     }
     return hasUpdates
   }
@@ -164,8 +172,8 @@ class AudioFile {
   }
 
   /**
-   * 
+   *
-   * @param {AudioFile} scannedAudioFile 
+   * @param {AudioFile} scannedAudioFile
    * @returns {boolean} true if updates were made
    */
   updateFromScan(scannedAudioFile) {
@@ -196,4 +204,4 @@ class AudioFile {
     return hasUpdated
   }
 }
-module.exports = AudioFile
+module.exports = AudioFile

server/scanner/MediaProbeData.js

@@ -17,6 +17,7 @@ class MediaProbeData {
     this.channelLayout = null
     this.channels = null
     this.sampleRate = null
+    this.profile = null
     this.chapters = []
 
     this.audioMetaTags = null
@@ -58,6 +59,7 @@ class MediaProbeData {
     this.channelLayout = this.audioStream.channel_layout
     this.channels = this.audioStream.channels
     this.sampleRate = this.audioStream.sample_rate
+    this.profile = this.audioStream.profile
     this.chapters = data.chapters || []
 
     this.audioMetaTags = new AudioMetaTags()

server/utils/prober.js

@@ -114,6 +114,7 @@ function parseMediaStreamInfo(stream, all_streams, total_bit_rate) {
     info.channels = stream.channels || null
     info.sample_rate = tryGrabSampleRate(stream)
     info.channel_layout = tryGrabChannelLayout(stream)
+    info.profile = stream.profile || null
   }
 
   return info