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Error: Argument "x" passed to 'conv2d' must be a Tensor or TensorLike, but got 'tensor'  #7056

@zbagdzevicius

Description

@zbagdzevicius
  • Have I written custom code (as opposed to using a stock example script provided in TensorFlow.js): no
  • OS Platform for development: Windows 10, RN expo SDK
  • Mobile device: Android 10, Huawei P30 pro
  • TensorFlow.js installed from: npm
  • TensorFlow.js version: ^4.0.0
  • Tensorflow.js react-native version: ^0.8.0

Describe the current behavior
on android, type of images.next().value is 'Tensor', not Tensor or TensorLike. It results in error " Error: Argument "x" passed to 'conv2d' must be a Tensor or TensorLike, but got 'tensor' "

Describe the expected behavior
should work the same as on iOS

Problem happens only with Hermes JS engine

Standalone code to reproduce the issue

import { dispose, Tensor3D } from "@tensorflow/tfjs";
import { cameraWithTensors } from "@tensorflow/tfjs-react-native";

export const ExampleComponent = () => {
  const handleCameraStream = useCallback(
    (images: IterableIterator<Tensor3D>) => {
      const loop = async () => {
          const tensor = images.next().value;
          detectGesture(tensor); // error happens here, model predict is called inside and specified error occurs
    },
    [isGestureDetectionReady]
  );
  return 
      <TensorCamera
            type={CameraType.front}
            cameraTextureHeight={640}
            cameraTextureWidth={640}
            resizeHeight={640}
            resizeWidth={640}
            onReady={handleCameraStream}
            autorender={true}
          />
}
<TensorCamera
      type={CameraType.front}
      autoFocus={false}
      pictureSize={pictureSize}
      style={{
        position: "absolute",
        left: 50,
        top: 100,
        width: 120,
        height: 120,
        zIndex: 1,
        borderWidth: 1,
        borderColor: "black",
        borderRadius: 0,
      }}
      cameraTextureHeight={640}
      cameraTextureWidth={640}
      resizeHeight={640}
      resizeWidth={640}
      zoom={0}
      onReady={handleCameraStream}
      autorender={true}
    />

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