Audio file metadata and thumbnails

2025-05-31 21:06:34 -04:00
parent 13e2f6b5bb
commit c4e0b0ff46
44 changed files with 3490 additions and 661 deletions
@@ -0,0 +1,77 @@
+/*
+ *   Copyright (c) 2025 Robin E. R. Davies
+ *   All rights reserved.
+
+ *   Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   of this software and associated documentation files (the "Software"), to deal
+ *   in the Software without restriction, including without limitation the rights
+ *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   copies of the Software, and to permit persons to whom the Software is
+ *   furnished to do so, subject to the following conditions:
+ 
+ *   The above copyright notice and this permission notice shall be included in all
+ *   copies or substantial portions of the Software.
+ 
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *   SOFTWARE.
+ */
+
+import { PiPedalModel } from "./PiPedalModel";
+
+export class ThumbnailType {
+    static Unknown = 0;
+    static Embedded = 1; // embedded in the file
+    static Folder = 2;   // from a albumArt.jpg or similar
+    static None = 3;      // Use default thumbnail.
+};
+
+
+export default class AudioFileMetadata {
+    //AudioFileMetadata&operator=(const AudioFileMetadata&) = default;
+    deserialize(o: any) {
+        this.fileName = o.fileName;
+        this.lastModified = o.lastModified;
+        this.title = o.title;
+        this.track = o.track;
+        this.album = o.album;
+        this.duration = o.duration;
+        this.thumbnailType = o.thumbnailType;
+        this.thumbnailFile = o.thumbnailFile;
+        this.thumbnailLastModified = o.thumbnailLastModified;
+
+        return this;
+    }
+    fileName: string = "";
+    lastModified: number = 0;
+    title: string = "";
+    track: number = 0;
+    album: string = "";
+    duration: number = 0;
+    thumbnailType: ThumbnailType = new ThumbnailType();
+    thumbnailFile = "";
+    thumbnailLastModified = 0;
+}
+
+export function getAlbumArtUri(model: PiPedalModel, metadata: AudioFileMetadata | undefined, path: string): string {
+    let coverArtUri: string;
+    if (!metadata) {
+        return "/img/missing_thumbnail.jpg";
+    }
+    if (metadata.thumbnailType === ThumbnailType.None) {
+        return "/img/missing_thumbnail.jpg";
+    
+    } else {
+        coverArtUri = model.varServerUrl + "Thumbnail"
+            + "?path=" + encodeURIComponent(path)
+            + "&t=" + metadata.thumbnailLastModified
+            + "&w=240&h=240"
+            ;
+        return coverArtUri;
+    }
+
+}