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Fix setImage latency in mobile-fitting-room: resize garment images to max 1024px #12

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Fix setImage latency in mobile-fitting-room: resize garment images to max 1024px #12

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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ await rtClient.setImage(garmentBlob, {
});
```

Call `setImage()` again at any time to switch garments - no need to reconnect.
Call `setImage()` again at any time to switch garments - no need to reconnect. For fast switching, resize garment images to a max of 1024px before sending; large images (>1024px) significantly increase switch latency.

---

Expand All @@ -107,7 +107,7 @@ The ideal setup is a **clean garment image** paired with a **descriptive prompt*

- **Clean garment images work best** - just the clothing item, no person wearing it
- **White or clean backgrounds** are ideal
- **At least 512x512 pixels** - the model reproduces what it sees, so clear garment = better results
- **512–1024px on the long edge** - the model reproduces what it sees, so clear garment = better results. Images larger than 1024px add latency without improving quality; always resize before calling `setImage()`.
- If your source image shows a person wearing the garment, consider using an image editing model to extract just the clothing item

**Prompt structure:**
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6 changes: 3 additions & 3 deletions examples/mobile-fitting-room/app/page.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ import { useDecartRealtime } from "@/hooks/useDecartRealtime";
import { useHandGesture } from "@/hooks/useHandGesture";
import { useFittingQueue } from "@/hooks/useFittingQueue";
import { useFittingRotation } from "@/hooks/useFittingRotation";
import { urlToImageBlob } from "@/lib/image-utils";
import { urlToImageBlob, resizeImageBlob } from "@/lib/image-utils";
import { PRODUCTS } from "@/lib/products";
import type { Product } from "@/lib/products";
import { ShoppingView } from "@/components/ShoppingView";
Expand All @@ -33,7 +33,7 @@ export default function FittingRoomPage() {
if (!clientRef.current) return;
setProcessingStatus("Applying...");
try {
const blob = await urlToImageBlob(product.image);
const blob = await urlToImageBlob(product.image).then(resizeImageBlob);
await clientRef.current.setImage(blob, {
prompt: product.prompt,
enhance: false,
Expand Down Expand Up @@ -86,7 +86,7 @@ export default function FittingRoomPage() {
const [cameraStream, token, firstBlob] = await Promise.all([
stream ?? startCamera(),
fetchToken(),
urlToImageBlob(queue[0].image).catch(() => undefined),
urlToImageBlob(queue[0].image).then(resizeImageBlob).catch(() => undefined),
]);

if (cameraStream && token) {
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