V4L2_PIX_FMT_GREY ('GREY')
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## Name

`V4L2_PIX_FMT_GREY` — Grey-scale image

## Description

This is a grey-scale image. It is really a degenerate Y'CbCr format which simply contains no Cb or Cr data.

Example 2.10. `V4L2_PIX_FMT_GREY` 4 × 4 pixel image

Byte Order. Each cell is one byte.

start + 0: | Y'00 | Y'01 | Y'02 | Y'03
start + 4: | Y'10 | Y'11 | Y'12 | Y'13
start + 8: | Y'20 | Y'21 | Y'22 | Y'23
start + 12: | Y'30 | Y'31 | Y'32 | Y'33

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