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diff --git a/Documentation/userspace-api/media/v4l/pixfmt-y41p.rst b/Documentation/userspace-api/media/v4l/pixfmt-y41p.rst new file mode 100644 index 000000000..d14cedf8f --- /dev/null +++ b/Documentation/userspace-api/media/v4l/pixfmt-y41p.rst @@ -0,0 +1,151 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _V4L2-PIX-FMT-Y41P: + +************************** +V4L2_PIX_FMT_Y41P ('Y41P') +************************** + + +Format with ΒΌ horizontal chroma resolution, also known as YUV 4:1:1 + + +Description +=========== + +In this format each 12 bytes is eight pixels. In the twelve bytes are +two CbCr pairs and eight Y's. The first CbCr pair goes with the first +four Y's, and the second CbCr pair goes with the other four Y's. The Cb +and Cr components have one fourth the horizontal resolution of the Y +component. + +Do not confuse this format with +:ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>`. Y41P is derived +from "YUV 4:1:1 *packed*", while YUV411P stands for "YUV 4:1:1 +*planar*". + +**Byte Order.** +Each cell is one byte. + + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - start + 0: + - Cb\ :sub:`00` + - Y'\ :sub:`00` + - Cr\ :sub:`00` + - Y'\ :sub:`01` + - Cb\ :sub:`01` + - Y'\ :sub:`02` + - Cr\ :sub:`01` + - Y'\ :sub:`03` + - Y'\ :sub:`04` + - Y'\ :sub:`05` + - Y'\ :sub:`06` + - Y'\ :sub:`07` + * - start + 12: + - Cb\ :sub:`10` + - Y'\ :sub:`10` + - Cr\ :sub:`10` + - Y'\ :sub:`11` + - Cb\ :sub:`11` + - Y'\ :sub:`12` + - Cr\ :sub:`11` + - Y'\ :sub:`13` + - Y'\ :sub:`14` + - Y'\ :sub:`15` + - Y'\ :sub:`16` + - Y'\ :sub:`17` + * - start + 24: + - Cb\ :sub:`20` + - Y'\ :sub:`20` + - Cr\ :sub:`20` + - Y'\ :sub:`21` + - Cb\ :sub:`21` + - Y'\ :sub:`22` + - Cr\ :sub:`21` + - Y'\ :sub:`23` + - Y'\ :sub:`24` + - Y'\ :sub:`25` + - Y'\ :sub:`26` + - Y'\ :sub:`27` + * - start + 36: + - Cb\ :sub:`30` + - Y'\ :sub:`30` + - Cr\ :sub:`30` + - Y'\ :sub:`31` + - Cb\ :sub:`31` + - Y'\ :sub:`32` + - Cr\ :sub:`31` + - Y'\ :sub:`33` + - Y'\ :sub:`34` + - Y'\ :sub:`35` + - Y'\ :sub:`36` + - Y'\ :sub:`37` + + +**Color Sample Location:** + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - + - 0 + - 1 + - + - 2 + - 3 + - 4 + - 5 + - + - 6 + - 7 + * - 0 + - Y + - Y + - C + - Y + - Y + - Y + - Y + - C + - Y + - Y + * - 1 + - Y + - Y + - C + - Y + - Y + - Y + - Y + - C + - Y + - Y + * - 2 + - Y + - Y + - C + - Y + - Y + - Y + - Y + - C + - Y + - Y + * - 3 + - Y + - Y + - C + - Y + - Y + - Y + - Y + - C + - Y + - Y |