# ==============================================================================
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# loading.py    The OpenLane-V2 Dataset Authors    Apache License, Version 2.0
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# Copyright (c) 2023 The OpenLane-v2 Dataset Authors. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# ==============================================================================

import mmcv
import numpy as np
from mmdet3d.datasets.pipelines import LoadMultiViewImageFromFiles
from mmdet.datasets import PIPELINES


@PIPELINES.register_module()
class CustomLoadMultiViewImageFromFiles(LoadMultiViewImageFromFiles):

    def __call__(self, results):
        filename = results['img_paths']
        img = [mmcv.imread(name, self.color_type) for name in filename]
        if self.to_float32:
            img = [i.astype(np.float32) for i in img]
        results['img'] = img
        results['img_shape'] = [i.shape for i in results['img']]
        return results
