1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 3.. _V4L2-PIX-FMT-Y12I: 4 5************************** 6V4L2_PIX_FMT_Y12I ('Y12I') 7************************** 8 9Interleaved grey-scale image, e.g. from a stereo-pair 10 11 12Description 13=========== 14 15This is a grey-scale image with a depth of 12 bits per pixel, but with 16pixels from 2 sources interleaved and bit-packed. Each pixel is stored 17in a 24-bit word in the little-endian order. On a little-endian machine 18these pixels can be deinterlaced using 19 20.. code-block:: c 21 22 __u8 *buf; 23 left0 = 0xfff & *(__u16 *)buf; 24 right0 = *(__u16 *)(buf + 1) >> 4; 25 26**Bit-packed representation.** 27pixels cross the byte boundary and have a ratio of 3 bytes for each 28interleaved pixel. 29 30.. flat-table:: 31 :header-rows: 0 32 :stub-columns: 0 33 34 * - Y'\ :sub:`0left[7:0]` 35 - Y'\ :sub:`0right[3:0]`\ Y'\ :sub:`0left[11:8]` 36 - Y'\ :sub:`0right[11:4]` 37