Support uncompressed float32 images

schoolpost / PiDNG

Create Adobe DNG RAW files using Python. Works with any Bayer RAW Data including native support for Raspberry Pi cameras.

MIT License

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Support uncompressed float32 images #77

Closed DmitriyKorchemkin closed 1 year ago

DmitriyKorchemkin commented 1 year ago

DNG 1.4 supports floating-point images.

This might be useful for saving post-processing (HDR, etc) results.

According to DNG spec a different algorithm (deflate) should be used for floating-point data, thus a runtime error is raised if compression is requested for floating-point data.