1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun.. _V4L2-PIX-FMT-YVU410: 4*4882a593Smuzhiyun.. _v4l2-pix-fmt-yuv410: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun********************************************************** 7*4882a593SmuzhiyunV4L2_PIX_FMT_YVU410 ('YVU9'), V4L2_PIX_FMT_YUV410 ('YUV9') 8*4882a593Smuzhiyun********************************************************** 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunV4L2_PIX_FMT_YUV410 12*4882a593SmuzhiyunPlanar formats with ¼ horizontal and vertical chroma resolution, also 13*4882a593Smuzhiyunknown as YUV 4:1:0 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunDescription 17*4882a593Smuzhiyun=========== 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunThese are planar formats, as opposed to a packed format. The three 20*4882a593Smuzhiyuncomponents are separated into three sub-images or planes. The Y plane is 21*4882a593Smuzhiyunfirst. The Y plane has one byte per pixel. For ``V4L2_PIX_FMT_YVU410``, 22*4882a593Smuzhiyunthe Cr plane immediately follows the Y plane in memory. The Cr plane is 23*4882a593Smuzhiyun¼ the width and ¼ the height of the Y plane (and of the image). Each Cr 24*4882a593Smuzhiyunbelongs to 16 pixels, a four-by-four square of the image. Following the 25*4882a593SmuzhiyunCr plane is the Cb plane, just like the Cr plane. 26*4882a593Smuzhiyun``V4L2_PIX_FMT_YUV410`` is the same, except the Cb plane comes first, 27*4882a593Smuzhiyunthen the Cr plane. 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunIf the Y plane has pad bytes after each row, then the Cr and Cb planes 30*4882a593Smuzhiyunhave ¼ as many pad bytes after their rows. In other words, four Cx rows 31*4882a593Smuzhiyun(including padding) are exactly as long as one Y row (including 32*4882a593Smuzhiyunpadding). 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun**Byte Order.** 35*4882a593SmuzhiyunEach cell is one byte. 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun.. flat-table:: 41*4882a593Smuzhiyun :header-rows: 0 42*4882a593Smuzhiyun :stub-columns: 0 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun * - start + 0: 45*4882a593Smuzhiyun - Y'\ :sub:`00` 46*4882a593Smuzhiyun - Y'\ :sub:`01` 47*4882a593Smuzhiyun - Y'\ :sub:`02` 48*4882a593Smuzhiyun - Y'\ :sub:`03` 49*4882a593Smuzhiyun * - start + 4: 50*4882a593Smuzhiyun - Y'\ :sub:`10` 51*4882a593Smuzhiyun - Y'\ :sub:`11` 52*4882a593Smuzhiyun - Y'\ :sub:`12` 53*4882a593Smuzhiyun - Y'\ :sub:`13` 54*4882a593Smuzhiyun * - start + 8: 55*4882a593Smuzhiyun - Y'\ :sub:`20` 56*4882a593Smuzhiyun - Y'\ :sub:`21` 57*4882a593Smuzhiyun - Y'\ :sub:`22` 58*4882a593Smuzhiyun - Y'\ :sub:`23` 59*4882a593Smuzhiyun * - start + 12: 60*4882a593Smuzhiyun - Y'\ :sub:`30` 61*4882a593Smuzhiyun - Y'\ :sub:`31` 62*4882a593Smuzhiyun - Y'\ :sub:`32` 63*4882a593Smuzhiyun - Y'\ :sub:`33` 64*4882a593Smuzhiyun * - start + 16: 65*4882a593Smuzhiyun - Cr\ :sub:`00` 66*4882a593Smuzhiyun * - start + 17: 67*4882a593Smuzhiyun - Cb\ :sub:`00` 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun**Color Sample Location:** 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun.. flat-table:: 75*4882a593Smuzhiyun :header-rows: 0 76*4882a593Smuzhiyun :stub-columns: 0 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun * - 79*4882a593Smuzhiyun - 0 80*4882a593Smuzhiyun - 81*4882a593Smuzhiyun - 1 82*4882a593Smuzhiyun - 83*4882a593Smuzhiyun - 2 84*4882a593Smuzhiyun - 85*4882a593Smuzhiyun - 3 86*4882a593Smuzhiyun * - 0 87*4882a593Smuzhiyun - Y 88*4882a593Smuzhiyun - 89*4882a593Smuzhiyun - Y 90*4882a593Smuzhiyun - 91*4882a593Smuzhiyun - Y 92*4882a593Smuzhiyun - 93*4882a593Smuzhiyun - Y 94*4882a593Smuzhiyun * - 95*4882a593Smuzhiyun * - 1 96*4882a593Smuzhiyun - Y 97*4882a593Smuzhiyun - 98*4882a593Smuzhiyun - Y 99*4882a593Smuzhiyun - 100*4882a593Smuzhiyun - Y 101*4882a593Smuzhiyun - 102*4882a593Smuzhiyun - Y 103*4882a593Smuzhiyun * - 104*4882a593Smuzhiyun - 105*4882a593Smuzhiyun - 106*4882a593Smuzhiyun - 107*4882a593Smuzhiyun - C 108*4882a593Smuzhiyun - 109*4882a593Smuzhiyun - 110*4882a593Smuzhiyun - 111*4882a593Smuzhiyun * - 2 112*4882a593Smuzhiyun - Y 113*4882a593Smuzhiyun - 114*4882a593Smuzhiyun - Y 115*4882a593Smuzhiyun - 116*4882a593Smuzhiyun - Y 117*4882a593Smuzhiyun - 118*4882a593Smuzhiyun - Y 119*4882a593Smuzhiyun * - 120*4882a593Smuzhiyun * - 3 121*4882a593Smuzhiyun - Y 122*4882a593Smuzhiyun - 123*4882a593Smuzhiyun - Y 124*4882a593Smuzhiyun - 125*4882a593Smuzhiyun - Y 126*4882a593Smuzhiyun - 127*4882a593Smuzhiyun - Y 128