| .. -*- coding: utf-8; mode: rst -*- |
| |
| .. _V4L2-PIX-FMT-YUV444M: |
| .. _v4l2-pix-fmt-yvu444m: |
| |
| ************************************************************ |
| V4L2_PIX_FMT_YUV444M ('YM24'), V4L2_PIX_FMT_YVU444M ('YM42') |
| ************************************************************ |
| |
| |
| V4L2_PIX_FMT_YVU444M |
| Planar formats with full horizontal resolution, also known as YUV and |
| YVU 4:4:4 |
| |
| |
| Description |
| =========== |
| |
| This is a multi-planar format, as opposed to a packed format. The three |
| components are separated into three sub-images or planes. |
| |
| The Y plane is first. The Y plane has one byte per pixel. For |
| ``V4L2_PIX_FMT_YUV444M`` the Cb data constitutes the second plane which |
| is the same width and height as the Y plane (and as the image). The Cr |
| data, just like the Cb plane, is in the third plane. |
| |
| ``V4L2_PIX_FMT_YVU444M`` is the same except the Cr data is stored in the |
| second plane and the Cb data in the third plane. |
| |
| If the Y plane has pad bytes after each row, then the Cb and Cr planes |
| have the same number of pad bytes after their rows. |
| |
| ``V4L2_PIX_FMT_YUV444M`` and ``V4L2_PIX_FMT_YUV444M`` are intended to be |
| used only in drivers and applications that support the multi-planar API, |
| described in :ref:`planar-apis`. |
| |
| **Byte Order.** |
| Each cell is one byte. |
| |
| |
| .. flat-table:: |
| :header-rows: 0 |
| :stub-columns: 0 |
| |
| * - start0 + 0: |
| - Y'\ :sub:`00` |
| - Y'\ :sub:`01` |
| - Y'\ :sub:`02` |
| - Y'\ :sub:`03` |
| * - start0 + 4: |
| - Y'\ :sub:`10` |
| - Y'\ :sub:`11` |
| - Y'\ :sub:`12` |
| - Y'\ :sub:`13` |
| * - start0 + 8: |
| - Y'\ :sub:`20` |
| - Y'\ :sub:`21` |
| - Y'\ :sub:`22` |
| - Y'\ :sub:`23` |
| * - start0 + 12: |
| - Y'\ :sub:`30` |
| - Y'\ :sub:`31` |
| - Y'\ :sub:`32` |
| - Y'\ :sub:`33` |
| * - |
| * - start1 + 0: |
| - Cb\ :sub:`00` |
| - Cb\ :sub:`01` |
| - Cb\ :sub:`02` |
| - Cb\ :sub:`03` |
| * - start1 + 4: |
| - Cb\ :sub:`10` |
| - Cb\ :sub:`11` |
| - Cb\ :sub:`12` |
| - Cb\ :sub:`13` |
| * - start1 + 8: |
| - Cb\ :sub:`20` |
| - Cb\ :sub:`21` |
| - Cb\ :sub:`22` |
| - Cb\ :sub:`23` |
| * - start1 + 12: |
| - Cb\ :sub:`20` |
| - Cb\ :sub:`21` |
| - Cb\ :sub:`32` |
| - Cb\ :sub:`33` |
| * - |
| * - start2 + 0: |
| - Cr\ :sub:`00` |
| - Cr\ :sub:`01` |
| - Cr\ :sub:`02` |
| - Cr\ :sub:`03` |
| * - start2 + 4: |
| - Cr\ :sub:`10` |
| - Cr\ :sub:`11` |
| - Cr\ :sub:`12` |
| - Cr\ :sub:`13` |
| * - start2 + 8: |
| - Cr\ :sub:`20` |
| - Cr\ :sub:`21` |
| - Cr\ :sub:`22` |
| - Cr\ :sub:`23` |
| * - start2 + 12: |
| - Cr\ :sub:`30` |
| - Cr\ :sub:`31` |
| - Cr\ :sub:`32` |
| - Cr\ :sub:`33` |
| |
| |
| **Color Sample Location..** |
| |
| |
| |
| .. flat-table:: |
| :header-rows: 0 |
| :stub-columns: 0 |
| |
| * - |
| - 0 |
| - 1 |
| - 2 |
| - 3 |
| * - 0 |
| - YC |
| - YC |
| - YC |
| - YC |
| * - 1 |
| - YC |
| - YC |
| - YC |
| - YC |
| * - 2 |
| - YC |
| - YC |
| - YC |
| - YC |
| * - 3 |
| - YC |
| - YC |
| - YC |
| - YC |
