removing metadata from webp #558

src/backend/model/fileprocessing/PhotoProcessing.ts

@@ -100,7 +100,8 @@ export class PhotoProcessing {
         width: person.sampleRegion.box.width + margin.x,
         height: person.sampleRegion.box.height + margin.y,
       },
-      qualityPriority: Config.Server.Media.Thumbnail.qualityPriority,
+      useLanczos3: Config.Server.Media.Thumbnail.useLanczos3,
+      quality: Config.Server.Media.Thumbnail.quality,
     } as RendererInput;
     input.cut.width = Math.min(
       input.cut.width,
@@ -121,7 +122,7 @@ export class PhotoProcessing {
     return path.join(
       ProjectPath.TranscodedFolder,
       ProjectPath.getRelativePathToImages(path.dirname(mediaPath)),
-      file + '_' + size + '.webp'
+      file + '_' + size + 'q' + Config.Server.Media.Thumbnail.quality + '.webp'
     );
   }
 
@@ -235,7 +236,8 @@ export class PhotoProcessing {
       size,
       outPath,
       makeSquare,
-      qualityPriority: Config.Server.Media.Thumbnail.qualityPriority,
+      useLanczos3: Config.Server.Media.Thumbnail.useLanczos3,
+      quality: Config.Server.Media.Thumbnail.quality,
     } as RendererInput;
 
     const outDir = path.dirname(input.outPath);

src/backend/model/threading/PhotoWorker.ts

@@ -44,7 +44,8 @@ export interface RendererInput {
   size: number;
   makeSquare: boolean;
   outPath: string;
-  qualityPriority: boolean;
+  quality: number;
+  useLanczos3: boolean;
   cut?: {
     left: number;
     top: number;
@@ -137,7 +138,7 @@ export class ImageRendererFactory {
       const metadata: Metadata = await image.metadata();
 
       const kernel =
-        input.qualityPriority === true
+        input.useLanczos3 === true
           ? sharp.kernel.lanczos3
           : sharp.kernel.nearest;
 
@@ -161,7 +162,7 @@ export class ImageRendererFactory {
           fit: 'cover',
         });
       }
-      await image.withMetadata().webp({effort: 6, quality: 60}).toFile(input.outPath);
+      await image.webp({effort: 6, quality: input.quality}).toFile(input.outPath);
     };
   }
 }

src/common/config/private/PrivateConfig.ts

@@ -142,8 +142,10 @@ export class ServerDataBaseConfig {
 
 @SubConfigClass()
 export class ServerThumbnailConfig {
-  @ConfigProperty({description: 'if true, photos will have better quality.'})
-  qualityPriority: boolean = true;
+  @ConfigProperty({description: 'if true, \'lanczos3\' will used to scale photos, otherwise faster but lowe quality \'nearest\'.'})
+  useLanczos3: boolean = true;
+  @ConfigProperty({description: 'Thumbnail image quality', max: 100, min: 1, type: 'unsignedInt'})
+  quality = 80;
   @ConfigProperty({type: 'ratio'})
   personFaceMargin: number = 0.6; // in ration [0-1]
 }