1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun.. _yuv-formats: 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun*********** 6*4882a593SmuzhiyunYUV Formats 7*4882a593Smuzhiyun*********** 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunYUV is the format native to TV broadcast and composite video signals. It 10*4882a593Smuzhiyunseparates the brightness information (Y) from the color information (U 11*4882a593Smuzhiyunand V or Cb and Cr). The color information consists of red and blue 12*4882a593Smuzhiyun*color difference* signals, this way the green component can be 13*4882a593Smuzhiyunreconstructed by subtracting from the brightness component. See 14*4882a593Smuzhiyun:ref:`colorspaces` for conversion examples. YUV was chosen because 15*4882a593Smuzhiyunearly television would only transmit brightness information. To add 16*4882a593Smuzhiyuncolor in a way compatible with existing receivers a new signal carrier 17*4882a593Smuzhiyunwas added to transmit the color difference signals. Secondary in the YUV 18*4882a593Smuzhiyunformat the U and V components usually have lower resolution than the Y 19*4882a593Smuzhiyuncomponent. This is an analog video compression technique taking 20*4882a593Smuzhiyunadvantage of a property of the human visual system, being more sensitive 21*4882a593Smuzhiyunto brightness information. 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun.. toctree:: 25*4882a593Smuzhiyun :maxdepth: 1 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun pixfmt-packed-yuv 28*4882a593Smuzhiyun pixfmt-grey 29*4882a593Smuzhiyun pixfmt-y10 30*4882a593Smuzhiyun pixfmt-y12 31*4882a593Smuzhiyun pixfmt-y14 32*4882a593Smuzhiyun pixfmt-y10b 33*4882a593Smuzhiyun pixfmt-y10p 34*4882a593Smuzhiyun pixfmt-y16 35*4882a593Smuzhiyun pixfmt-y16-be 36*4882a593Smuzhiyun pixfmt-y8i 37*4882a593Smuzhiyun pixfmt-y12i 38*4882a593Smuzhiyun pixfmt-uv8 39*4882a593Smuzhiyun pixfmt-yuyv 40*4882a593Smuzhiyun pixfmt-uyvy 41*4882a593Smuzhiyun pixfmt-yvyu 42*4882a593Smuzhiyun pixfmt-vyuy 43*4882a593Smuzhiyun pixfmt-y41p 44*4882a593Smuzhiyun pixfmt-yuv420 45*4882a593Smuzhiyun pixfmt-yuv420m 46*4882a593Smuzhiyun pixfmt-yuv422m 47*4882a593Smuzhiyun pixfmt-yuv444m 48*4882a593Smuzhiyun pixfmt-yuv410 49*4882a593Smuzhiyun pixfmt-yuv422p 50*4882a593Smuzhiyun pixfmt-yuv411p 51*4882a593Smuzhiyun pixfmt-nv12 52*4882a593Smuzhiyun pixfmt-nv12m 53*4882a593Smuzhiyun pixfmt-nv12mt 54*4882a593Smuzhiyun pixfmt-nv16 55*4882a593Smuzhiyun pixfmt-nv16m 56*4882a593Smuzhiyun pixfmt-nv24 57*4882a593Smuzhiyun pixfmt-m420 58