New: Option to disable cover art embed in files

Fixes #2488

frontend/src/Settings/Metadata/MetadataProvider/MetadataProvider.js

@@ -61,6 +61,23 @@ function MetadataProvider(props) {
                 />
               </FormGroup>
 
+              {
+                settings.writeAudioTags.value !== 'no' &&
+                  <FormGroup>
+                    <FormLabel>
+                      {translate('EmbedCoverArtInAudioFiles')}
+                    </FormLabel>
+
+                    <FormInputGroup
+                      type={inputTypes.CHECK}
+                      name="embedCoverArt"
+                      helpText={translate('EmbedCoverArtHelpText')}
+                      onChange={onInputChange}
+                      {...settings.embedCoverArt}
+                    />
+                  </FormGroup>
+              }
+
               <FormGroup>
                 <FormLabel>
                   {translate('ScrubExistingTags')}

src/Lidarr.Api.V1/Config/MetadataProviderConfigResource.cs

@@ -8,6 +8,7 @@ namespace Lidarr.Api.V1.Config
         public string MetadataSource { get; set; }
         public WriteAudioTagsType WriteAudioTags { get; set; }
         public bool ScrubAudioTags { get; set; }
+        public bool EmbedCoverArt { get; set; }
     }
 
     public static class MetadataProviderConfigResourceMapper
@@ -19,6 +20,7 @@ namespace Lidarr.Api.V1.Config
                 MetadataSource = model.MetadataSource,
                 WriteAudioTags = model.WriteAudioTags,
                 ScrubAudioTags = model.ScrubAudioTags,
+                EmbedCoverArt = model.EmbedCoverArt,
             };
         }
     }

src/NzbDrone.Core.Test/MediaFiles/AudioTagServiceFixture.cs

@@ -65,6 +65,10 @@ namespace NzbDrone.Core.Test.MediaFiles.AudioTagServiceFixture
                 .Setup(x => x.WriteAudioTags)
                 .Returns(WriteAudioTagsType.Sync);
 
+            Mocker.GetMock<IConfigService>()
+                .Setup(x => x.EmbedCoverArt)
+                .Returns(true);
+
             var imageFile = Path.Combine(_testdir, "nin.png");
             var imageSize = _diskProvider.GetFileSize(imageFile);
 

src/NzbDrone.Core/Configuration/ConfigService.cs

@@ -283,6 +283,13 @@ namespace NzbDrone.Core.Configuration
             set { SetValue("ScrubAudioTags", value); }
         }
 
+        public bool EmbedCoverArt
+        {
+            get { return GetValueBoolean("EmbedCoverArt", true); }
+
+            set { SetValue("EmbedCoverArt", value); }
+        }
+
         public int FirstDayOfWeek
         {
             get { return GetValueInt("FirstDayOfWeek", (int)CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek); }

src/NzbDrone.Core/Configuration/IConfigService.cs

@@ -76,6 +76,7 @@ namespace NzbDrone.Core.Configuration
         string MetadataSource { get; set; }
         WriteAudioTagsType WriteAudioTags { get; set; }
         bool ScrubAudioTags { get; set; }
+        bool EmbedCoverArt { get; set; }
 
         // Forms Auth
         string RijndaelPassphrase { get; }

src/NzbDrone.Core/Localization/Core/en.json

@@ -402,6 +402,8 @@
   "EditSelectedDownloadClients": "Edit Selected Download Clients",
   "EditSelectedImportLists": "Edit Selected Import Lists",
   "EditSelectedIndexers": "Edit Selected Indexers",
+  "EmbedCoverArtInAudioFiles": "Embed Cover Art In Audio Files",
+  "EmbedCoverArtHelpText": "Embed Lidarr album art into audio files when writing tags",
   "Enable": "Enable",
   "EnableAutomaticAdd": "Enable Automatic Add",
   "EnableAutomaticAddHelpText": "Add artist/albums to {appName} when syncs are performed via the UI or by {appName}",

src/NzbDrone.Core/MediaFiles/AudioTagService.cs

@@ -80,9 +80,12 @@ namespace NzbDrone.Core.MediaFiles
             var albumartist = album.Artist.Value;
             var artist = track.ArtistMetadata.Value;
 
-            var cover = album.Images.FirstOrDefault(x => x.CoverType == MediaCoverTypes.Cover);
             string imageFile = null;
             long imageSize = 0;
+
+            if (_configService.EmbedCoverArt)
+            {
+                var cover = album.Images.FirstOrDefault(x => x.CoverType == MediaCoverTypes.Cover);
                 if (cover != null)
                 {
                     imageFile = _mediaCoverService.GetCoverPath(album.Id, MediaCoverEntity.Album, cover.CoverType, cover.Extension, null);
@@ -97,6 +100,7 @@ namespace NzbDrone.Core.MediaFiles
                         imageFile = null;
                     }
                 }
+            }
 
             return new AudioTag
             {