fix(server): wrong image dimensions for RAW files (RAF, CR2) (also fixes face preview)

e2e/src/api/specs/asset.e2e-spec.ts

@@ -1148,6 +1148,78 @@ describe('/asset', () => {
           },
         },
       },
+      {
+        input: 'formats/raw/Canon/PowerShot_G12.CR2',
+        expected: {
+          type: AssetTypeEnum.Image,
+          originalFileName: 'PowerShot_G12.CR2',
+          fileCreatedAt: '2015-12-27T09:55:40.000Z',
+          exifInfo: {
+            make: 'Canon',
+            model: 'Canon PowerShot G12',
+            exifImageHeight: 2736,
+            exifImageWidth: 3648,
+            exposureTime: '1/1000',
+            fNumber: 4,
+            focalLength: 18.098,
+            iso: 80,
+            lensModel: null,
+            fileSizeInByte: 11_113_617,
+            dateTimeOriginal: '2015-12-27T09:55:40.000Z',
+            latitude: null,
+            longitude: null,
+            orientation: '1',
+          },
+        },
+      },
+      {
+        input: 'formats/raw/Fujifilm/X100V_compressed.RAF',
+        expected: {
+          type: AssetTypeEnum.Image,
+          originalFileName: 'X100V_compressed.RAF',
+          fileCreatedAt: '2024-10-12T21:01:01.000Z',
+          exifInfo: {
+            make: 'FUJIFILM',
+            model: 'X100V',
+            exifImageHeight: 4160,
+            exifImageWidth: 6240,
+            exposureTime: '1/4000',
+            fNumber: 16,
+            focalLength: 23,
+            iso: 160,
+            lensModel: null,
+            fileSizeInByte: 13_551_312,
+            dateTimeOriginal: '2024-10-12T21:01:01.000Z',
+            latitude: null,
+            longitude: null,
+            orientation: '6',
+          },
+        },
+      },
+      {
+        input: 'formats/raw/Ricoh/GR3/Ricoh_GR3-450.DNG',
+        expected: {
+          type: AssetTypeEnum.Image,
+          originalFileName: 'Ricoh_GR3-450.DNG',
+          fileCreatedAt: '2024-06-08T13:48:39.000Z',
+          exifInfo: {
+            dateTimeOriginal: '2024-06-08T13:48:39.000Z',
+            exifImageHeight: 4064,
+            exifImageWidth: 6112,
+            exposureTime: '1/400',
+            fNumber: 5,
+            fileSizeInByte: 31_175_472,
+            focalLength: 18.3,
+            iso: 100,
+            latitude: 36.613_24,
+            lensModel: 'GR LENS 18.3mm F2.8',
+            longitude: -121.897_85,
+            make: 'RICOH IMAGING COMPANY, LTD.',
+            model: 'RICOH GR III',
+            orientation: '1',
+          },
+        },
+      },
     ];
 
     it(`should upload and generate a thumbnail for different file types`, async () => {

server/src/services/metadata.service.ts

@@ -187,6 +187,8 @@ export class MetadataService extends BaseService {
     const { dateTimeOriginal, localDateTime, timeZone, modifyDate } = this.getDates(asset, exifTags);
     const { latitude, longitude, country, state, city } = await this.getGeo(exifTags, reverseGeocoding);
 
+    const { width, height } = this.getImageDimensions(exifTags);
+
     const exifData: Partial<ExifEntity> = {
       assetId: asset.id,
 
@@ -204,8 +206,8 @@ export class MetadataService extends BaseService {
 
       // image/file
       fileSizeInByte: stats.size,
-      exifImageHeight: validate(exifTags.ImageHeight),
-      exifImageWidth: validate(exifTags.ImageWidth),
+      exifImageHeight: validate(height),
+      exifImageWidth: validate(width),
       orientation: validate(exifTags.Orientation)?.toString() ?? null,
       projectionType: exifTags.ProjectionType ? String(exifTags.ProjectionType).toUpperCase() : null,
       bitsPerSample: this.getBitsPerSample(exifTags),
@@ -333,6 +335,19 @@ export class MetadataService extends BaseService {
     return JobStatus.SUCCESS;
   }
 
+  private getImageDimensions(exifTags: ImmichTags): { width?: number; height?: number } {
+    /*
+     * The "true" values for width and height are a bit hidden, depending on the camera model and file format.
+     * For RAW images in the CR2 or RAF format, the "ImageSize" value seems to be correct,
+     * but ImageWidth and ImageHeight are not correct (they contain the dimensions of the preview image).
+     */
+    let [width, height] = exifTags.ImageSize?.split('x').map((dim) => Number.parseInt(dim) || undefined) || [];
+    if (!width || !height) {
+      [width, height] = [exifTags.ImageWidth, exifTags.ImageHeight];
+    }
+    return { width, height };
+  }
+
   private async getExifTags(asset: AssetEntity): Promise<ImmichTags> {
     const mediaTags = await this.metadataRepository.readTags(asset.originalPath);
     const sidecarTags = asset.sidecarPath ? await this.metadataRepository.readTags(asset.sidecarPath) : {};