Album gain

src/components/playback/playbackmanager.js

@@ -2723,6 +2723,12 @@ class PlaybackManager {
                                     });
                                 });
                             } else {
+                                if (item.AlbumId != null) {
+                                    return apiClient.getItem(apiClient.getCurrentUserId(), item.AlbumId).then(function(result) {
+                                        mediaSource.albumLUFS = result.LUFS;
+                                        return mediaSource;
+                                    });
+                                }
                                 return mediaSource;
                             }
                         } else {

src/components/playbackSettings/playbackSettings.js

@@ -173,7 +173,7 @@ function loadForm(context, user, userSettings, apiClient) {
     context.querySelector('.chkPlayDefaultAudioTrack').checked = user.Configuration.PlayDefaultAudioTrack || false;
     context.querySelector('.chkPreferFmp4HlsContainer').checked = userSettings.preferFmp4HlsContainer();
     context.querySelector('.chkEnableCinemaMode').checked = userSettings.enableCinemaMode();
-    context.querySelector('.chkEnableAudioNormalization').checked = userSettings.enableAudioNormalization();
+    context.querySelector('#selectAudioNormalization').value = userSettings.selectAudioNormalization();
     context.querySelector('.chkEnableNextVideoOverlay').checked = userSettings.enableNextVideoInfoOverlay();
     context.querySelector('.chkRememberAudioSelections').checked = user.Configuration.RememberAudioSelections || false;
     context.querySelector('.chkRememberSubtitleSelections').checked = user.Configuration.RememberSubtitleSelections || false;
@@ -218,7 +218,7 @@ function saveUser(context, user, userSettingsInstance, apiClient) {
     user.Configuration.EnableNextEpisodeAutoPlay = context.querySelector('.chkEpisodeAutoPlay').checked;
     userSettingsInstance.preferFmp4HlsContainer(context.querySelector('.chkPreferFmp4HlsContainer').checked);
     userSettingsInstance.enableCinemaMode(context.querySelector('.chkEnableCinemaMode').checked);
-    userSettingsInstance.enableAudioNormalization(context.querySelector('.chkEnableAudioNormalization').checked);
+    userSettingsInstance.selectAudioNormalization(context.querySelector('#selectAudioNormalization').value);
     userSettingsInstance.enableNextVideoInfoOverlay(context.querySelector('.chkEnableNextVideoOverlay').checked);
     user.Configuration.RememberAudioSelections = context.querySelector('.chkRememberAudioSelections').checked;
     user.Configuration.RememberSubtitleSelections = context.querySelector('.chkRememberSubtitleSelections').checked;

src/components/playbackSettings/playbackSettings.template.html

@@ -72,12 +72,13 @@ <h2 class="sectionTitle">
             ${TabAdvanced}
         </h2>
 
-        <div class="checkboxContainer checkboxContainer-withDescription">
-            <label>
-                <input type="checkbox" is="emby-checkbox" class="chkEnableAudioNormalization" />
-                <span>${EnableAudioNormalization}</span>
-            </label>
-            <div class="fieldDescription checkboxFieldDescription">${EnableAudioNormalizationHelp}</div>
+        <div class="selectContainer">
+            <select is="emby-select" id="selectAudioNormalization" label="${LabelSelectAudioNormalization}">
+                <option value="Off">${Off}</option>
+                <option value="TrackGain">${LabelTrackGain}</option>
+                <option value="AlbumGain">${LabelAlbumGain}</option>
+            </select>
+            <div class="fieldDescription">${SelectAudioNormalizationHelp}</div>
         </div>
 
         <div class="checkboxContainer checkboxContainer-withDescription">

src/plugins/htmlAudioPlayer/plugin.js

@@ -112,9 +112,14 @@ class HtmlAudioPlayer {
             let val = options.url;
             console.debug('playing url: ' + val);
             import('../../scripts/settings/userSettings').then((userSettings) => {
-                if (userSettings.enableAudioNormalization() && options.item.LUFS != null) {
+                if (userSettings.selectAudioNormalization() == 'TrackGain' && options.item.LUFS != null) {
                     const dbGain = -18 - options.item.LUFS;
                     self.gainNode.gain.value = Math.pow(10, (dbGain / 20));
+                    console.debug('[HtmlAudioPlayer] Using track gain');
+                } else if (userSettings.selectAudioNormalization() == 'AlbumGain' && options.mediaSource.albumLUFS != null) {
+                    const dbGain = -18 - options.mediaSource.albumLUFS;
+                    self.gainNode.gain.value = Math.pow(10, (dbGain / 20));
+                    console.debug('[HtmlAudioPlayer] Using album gain');
                 } else {
                     self.gainNode.gain.value = 1;
                 }

src/scripts/settings/userSettings.js

@@ -158,15 +158,15 @@ export class UserSettings {
 
     /**
      * Get or set 'Enable Audio Normalization' state.
-     * @param {boolean|undefined} val - Flag to enable 'Enable Audio Normalization' or undefined.
-     * @return {boolean} 'Enable Audio Normalization' state.
+     * @param {string|undefined} val - Flag to enable 'Enable Audio Normalization' or undefined.
+     * @return {string} 'Enable Audio Normalization' state.
      */
-    enableAudioNormalization(val) {
+    selectAudioNormalization(val) {
         if (val !== undefined) {
-            return this.set('enableAudioNormalization', val.toString(), false);
+            return this.set('selectAudioNormalization', val, false);
         }
 
-        return toBoolean(this.get('enableAudioNormalization', false), true);
+        return this.get('selectAudioNormalization', false) || 'TrackGain';
     }
 
     /**
@@ -636,7 +636,7 @@ export const serverConfig = currentSettings.serverConfig.bind(currentSettings);
 export const allowedAudioChannels = currentSettings.allowedAudioChannels.bind(currentSettings);
 export const preferFmp4HlsContainer = currentSettings.preferFmp4HlsContainer.bind(currentSettings);
 export const enableCinemaMode = currentSettings.enableCinemaMode.bind(currentSettings);
-export const enableAudioNormalization = currentSettings.enableAudioNormalization.bind(currentSettings);
+export const selectAudioNormalization = currentSettings.selectAudioNormalization.bind(currentSettings);
 export const enableNextVideoInfoOverlay = currentSettings.enableNextVideoInfoOverlay.bind(currentSettings);
 export const enableVideoRemainingTime = currentSettings.enableVideoRemainingTime.bind(currentSettings);
 export const enableThemeSongs = currentSettings.enableThemeSongs.bind(currentSettings);

src/strings/en-us.json

@@ -138,7 +138,7 @@
     "ChannelNumber": "Channel number",
     "Channels": "Channels",
     "CinemaModeConfigurationHelp": "Cinema mode brings the theater experience straight to your living room with the ability to play trailers and custom intros before the main feature.",
-    "EnableAudioNormalizationHelp": "Audio normalization will add a constant gain to keep the average at a desired level (-18dB).",
+    "SelectAudioNormalizationHelp": "Track gain - adjusts the volume of each track so they playback with the same loudness. Album gain - adjusts the volume of all the tracks in an album only, keeping the album's dynamic range.",
     "ClearQueue": "Clear queue",
     "ClientSettings": "Client Settings",
     "Collections": "Collections",
@@ -226,7 +226,6 @@
     "EnableBlurHash": "Enable blurred placeholders for images",
     "EnableBlurHashHelp": "Images that are still being loaded will be displayed with a unique placeholder.",
     "EnableCinemaMode": "Cinema mode",
-    "EnableAudioNormalization": "Audio Normalization",
     "EnableColorCodedBackgrounds": "Color coded backgrounds",
     "EnableDecodingColorDepth10Hevc": "Enable 10-bit hardware decoding for HEVC",
     "EnableDecodingColorDepth10Vp9": "Enable 10-bit hardware decoding for VP9",
@@ -549,6 +548,7 @@
     "LabelAlbumArtMaxResHelp": "Maximum resolution of album art exposed via the 'upnp:albumArtURI' property.",
     "LabelAlbumArtMaxWidth": "Album art max width",
     "LabelAlbumArtPN": "Album art PN",
+    "LabelAlbumGain": "Album Gain",
     "LabelAllowedRemoteAddresses": "Remote IP address filter",
     "LabelAllowedRemoteAddressesMode": "Remote IP address filter mode",
     "LabelAllowHWTranscoding": "Allow hardware transcoding",
@@ -561,6 +561,7 @@
     "LabelAudioChannels": "Audio channels",
     "LabelAudioCodec": "Audio codec",
     "LabelAudioLanguagePreference": "Preferred audio language",
+    "LabelSelectAudioNormalization": "Audio Normalization",
     "LabelAudioSampleRate": "Audio sample rate",
     "LabelAuthProvider": "Authentication Provider",
     "LabelAutomaticallyAddToCollection": "Automatically add to collection",
@@ -1635,6 +1636,7 @@
     "LabelPlaybackInfo": "Playback Info",
     "LabelAudioInfo": "Audio Info",
     "LabelVideoInfo": "Video Info",
+    "LabelTrackGain": "Track Gain",
     "LabelTranscodingInfo": "Transcoding Info",
     "LabelDirectStreamingInfo": "Direct Streaming Info",
     "LabelRemuxingInfo": "Remuxing Info",