feat: add bmp extension support to default_video_operator#1466
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Adds 'bmp' to the supported image extensions in UnifiedDataset.default_video_operator so that BMP files can be loaded by the same LoadImage + ImageCropAndResize path as JPG/PNG/WebP. Fixes modelscope#1456
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Summary
bmpto the supported image extensions inUnifiedDataset.default_video_operatorso that BMP image datasets can be used for training/processing alongside JPG/PNG/WebP.Motivation
Issue #1456 reports that BMP files are not accepted by the dataset loader even though
LoadImage(PIL-backed) handles them natively. The fix is to include"bmp"in the extension tuple routed to theLoadImage >> ImageCropAndResize >> ToListpipeline — identical behavior to the other still-image formats.Closes #1456
Test plan
Image.openalready supports.bmp, soLoadImagedoes not need any change