projects / mirror_ubuntu-zesty-kernel.git / blame
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|---|---|---|
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1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _V4L2-PIX-FMT-SRGGB12: | |
| 9aff73d2 MCC |
4 | .. _v4l2-pix-fmt-sbggr12: |
| 5 | .. _v4l2-pix-fmt-sgbrg12: | |
| 6 | .. _v4l2-pix-fmt-sgrbg12: | |
| 7 | ||
| 5377d91f MH |
8 | |
| 9 | *************************************************************************************************************************** | |
| 10 | V4L2_PIX_FMT_SRGGB12 ('RG12'), V4L2_PIX_FMT_SGRBG12 ('BA12'), V4L2_PIX_FMT_SGBRG12 ('GB12'), V4L2_PIX_FMT_SBGGR12 ('BG12'), | |
| 11 | *************************************************************************************************************************** | |
| 12 | ||
| 5377d91f MH |
13 | |
| 14 | V4L2_PIX_FMT_SGRBG12 | |
| 15 | V4L2_PIX_FMT_SGBRG12 | |
| 16 | V4L2_PIX_FMT_SBGGR12 | |
| 17 | 12-bit Bayer formats expanded to 16 bits | |
| 18 | ||
| 19 | ||
| 20 | Description | |
| 21 | =========== | |
| 22 | ||
| 23 | These four pixel formats are raw sRGB / Bayer formats with 12 bits per | |
| 24 | colour. Each colour component is stored in a 16-bit word, with 4 unused | |
| 25 | high bits filled with zeros. Each n-pixel row contains n/2 green samples | |
| 26 | and n/2 blue or red samples, with alternating red and blue rows. Bytes | |
| 27 | are stored in memory in little endian order. They are conventionally | |
| 28 | described as GRGR... BGBG..., RGRG... GBGB..., etc. Below is an example | |
| 5bbced12 | 29 | of a small V4L2_PIX_FMT_SBGGR12 image: |
| 5377d91f | 30 | |
| 056d2ee6 | 31 | **Byte Order.** |
| 88646d37 SA |
32 | Each cell is one byte, the 4 most significant bits in the high bytes are |
| 33 | 0. | |
| 5377d91f MH |
34 | |
| 35 | ||
| 36 | ||
| 5bd4bb78 | 37 | |
| 5377d91f MH |
38 | .. flat-table:: |
| 39 | :header-rows: 0 | |
| 40 | :stub-columns: 0 | |
| 5377d91f | 41 | |
| c2b66caf LP |
42 | * - start + 0: |
| 43 | - B\ :sub:`00low` | |
| 44 | - B\ :sub:`00high` | |
| 45 | - G\ :sub:`01low` | |
| 46 | - G\ :sub:`01high` | |
| 47 | - B\ :sub:`02low` | |
| 48 | - B\ :sub:`02high` | |
| 49 | - G\ :sub:`03low` | |
| 50 | - G\ :sub:`03high` | |
| 51 | * - start + 8: | |
| 52 | - G\ :sub:`10low` | |
| 53 | - G\ :sub:`10high` | |
| 54 | - R\ :sub:`11low` | |
| 55 | - R\ :sub:`11high` | |
| 56 | - G\ :sub:`12low` | |
| 57 | - G\ :sub:`12high` | |
| 58 | - R\ :sub:`13low` | |
| 59 | - R\ :sub:`13high` | |
| 60 | * - start + 16: | |
| 61 | - B\ :sub:`20low` | |
| 62 | - B\ :sub:`20high` | |
| 63 | - G\ :sub:`21low` | |
| 64 | - G\ :sub:`21high` | |
| 65 | - B\ :sub:`22low` | |
| 66 | - B\ :sub:`22high` | |
| 67 | - G\ :sub:`23low` | |
| 68 | - G\ :sub:`23high` | |
| 69 | * - start + 24: | |
| 70 | - G\ :sub:`30low` | |
| 71 | - G\ :sub:`30high` | |
| 72 | - R\ :sub:`31low` | |
| 73 | - R\ :sub:`31high` | |
| 74 | - G\ :sub:`32low` | |
| 75 | - G\ :sub:`32high` | |
| 76 | - R\ :sub:`33low` | |
| 77 | - R\ :sub:`33high` |