diff --git a/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java b/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
index 6d46ef9a14..49120d80e4 100644
--- a/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
+++ b/libraries/common/src/main/java/androidx/media3/common/MimeTypes.java
@@ -166,6 +166,7 @@ public final class MimeTypes {
   @UnstableApi public static final String IMAGE_HEIF = BASE_TYPE_IMAGE + "/heif";
   @UnstableApi public static final String IMAGE_BMP = BASE_TYPE_IMAGE + "/bmp";
   @UnstableApi public static final String IMAGE_WEBP = BASE_TYPE_IMAGE + "/webp";
+  @UnstableApi public static final String IMAGE_RAW = BASE_TYPE_IMAGE + "/raw";
 
   /**
    * A non-standard codec string for E-AC3-JOC. Use of this constant allows for disambiguation
diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/ImageAssetLoader.java b/libraries/transformer/src/main/java/androidx/media3/transformer/ImageAssetLoader.java
index f85f72a1e3..183b245163 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/ImageAssetLoader.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/ImageAssetLoader.java
@@ -84,8 +84,6 @@ public final class ImageAssetLoader implements AssetLoader {
     }
   }
 
-  public static final String MIME_TYPE_IMAGE_ALL = MimeTypes.BASE_TYPE_IMAGE + "/*";
-
   private static final int QUEUE_BITMAP_INTERVAL_MS = 10;
 
   private final EditedMediaItem editedMediaItem;
@@ -136,7 +134,7 @@ public final class ImageAssetLoader implements AssetLoader {
                 new Format.Builder()
                     .setHeight(bitmap.getHeight())
                     .setWidth(bitmap.getWidth())
-                    .setSampleMimeType(MIME_TYPE_IMAGE_ALL)
+                    .setSampleMimeType(MimeTypes.IMAGE_RAW)
                     .setColorInfo(ColorInfo.SRGB_BT709_FULL)
                     .build();
             Format outputFormat =