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/linux/Documentation/userspace-api/media/v4l/
H A Dpixfmt-yuv-planar.rst15 Cb and Cr components interleaved.
17 - Fully planar formats use three planes to store the Y, Cb and Cr components
37 components in the second plane. The Cb and Cr components are interleaved in the
38 chroma plane, with Cb and Cr always stored in pairs. The chroma order is
73 - Cb, Cr
80 - Cr, Cb
87 - Cb, Cr
94 - Cr, Cb
101 - Cb, Cr
110 - Cb, Cr
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H A Dpixfmt-packed-yuv.rst10 Similarly to the packed RGB formats, the packed YUV formats store the Y, Cb and
17 - 'Y', 'Cb' and 'Cr' denote bits of the luma, blue chroma (also known as
27 full triplet of Y, Cb and Cr values.
30 component. They are named based on the order of the Y, Cb and Cr components as
34 Cb\ :sub:`5-0` Cr\ :sub:`4-0`], and stored in memory in two bytes,
35 [Cb\ :sub:`2-0` Cr\ :sub:`4-0`] followed by [Y'\ :sub:`4-0` Cb\ :sub:`5-3`].
81 - Cb\ :sub:`3`
82 - Cb\ :sub:`2`
83 - Cb\ :sub:`1`
84 - Cb\ :sub:`0`
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H A Dpixfmt-uv8.rst30 - Cb\ :sub:`00`
32 - Cb\ :sub:`01`
35 - Cb\ :sub:`10`
37 - Cb\ :sub:`11`
40 - Cb\ :sub:`20`
42 - Cb\ :sub:`21`
45 - Cb\ :sub:`30`
47 - Cb\ :sub:`31`
H A Dpixfmt-m420.rst24 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`,
49 - Cb\ :sub:`00`
51 - Cb\ :sub:`01`
64 - Cb\ :sub:`10`
66 - Cb\ :sub:`11`
H A Dcolorspaces-details.rst67 The luminance (Y') and color difference (Cb and Cr) are obtained with
74 Cb = -0.1687R' - 0.3313G' + 0.5B'
78 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
143 The luminance (Y') and color difference (Cb and Cr) are obtained with
150 Cb = -0.1146R' - 0.3854G' + 0.5B'
154 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
169 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
176 Cb = \frac{224}{256} * (-0.1146R' - 0.3854G' + 0.5B')
182 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
189 Cb = \frac{224}{256} * (-0.1687R' - 0.3313G' + 0.5B')
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H A Dext-ctrls-jpeg.rst31 how Cb and Cr components are downsampled after converting an input
41 - No chroma subsampling, each pixel has Y, Cr and Cb values.
43 - Horizontally subsample Cr, Cb components by a factor of 2.
45 - Subsample Cr, Cb components horizontally and vertically by 2.
47 - Horizontally subsample Cr, Cb components by a factor of 4.
49 - Subsample Cr, Cb components horizontally by 4 and vertically by 2.
H A Dmetafmt-vsp1-hgo.rst68 - B/Cb/V max [7:0]
70 - B/Cb/V min [7:0]
76 - :cspan:`4` B/Cb/V sum [31:0]
90 - :cspan:`4` B/Cb/V bin 0 [31:0]
94 - :cspan:`4` B/Cb/V bin 63 [31:0]
H A Dcolorspaces-defs.rst170 0x00 and 0xff values). Cb and Cr are mapped from [-0.5…0.5] to
175 is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to
H A Dyuv-formats.rst12 and V or Cb and Cr). The color information consists of red and blue
H A Dcontrol.rst248 - The Cb and Cr chroma components are replaced by fixed coefficients
263 Determines the Cb and Cr coefficients for ``V4L2_COLORFX_SET_CBCR``
265 interpreted as Cr component, bits [15:8] as Cb component and bits
H A Dcolorspaces.rst133 range with Y' using [16…235] and Cb and Cr using [16…240].
H A Dvidioc-g-fbuf.rst171 ``width`` field for the other planes. For example the Cb and Cr
H A Dpixfmt-v4l2.rst83 ``width`` field for the other planes. For example the Cb and Cr
H A Dext-ctrls-codec-stateless.rst301 Expected list order is Intra Y, Intra Cb, Intra Cr, Inter Y,
302 Inter Cb, Inter Cr. The values on each scaling list are
307 Expected list order is Intra Y, Inter Y, Intra Cb, Inter Cb,
889 - Set if the Cb plane is uncompressed.
2258 - Specifies the offsets to the luma quantization parameter Cb.
H A Dext-ctrls-codec.rst698 * - Cb chrominance
/linux/Documentation/gpu/
H A Dafbc.rst22 corresponds to a color channel (i.e. R, G, B, X, A, Y, Cb, Cr).
56 * Component 1: Cb(8, 2x1 subsampled)
97 * Component 1: Cb(8, 2x1 subsampled)
108 * Component 0: Cb(8, 2x1 subsampled)
167 * Component 1: Cb(8)
174 * Component 1: Cb(10)
181 * Component 1: Cb(8, 2x1 subsampled)
189 * Component 0: Cb(8, 2x1 subsampled)
196 * Component 1: Cb(10, 2x1 subsampled)
204 * Component 0: Cb(10, 2x1 subsampled)
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/linux/Documentation/fb/
H A Dpxafb.rst112 bpp = 16 -- for YUV422 planar (1 pixel = 1 Y + 1/2 Cb + 1/2 Cr)
114 bpp = 12 -- for YUV420 planar (1 pixel = 1 Y + 1/4 Cb + 1/4 Cr)
/linux/drivers/staging/media/av7110/
H A Dav7110_hw.c917 u16 Y, Cr, Cb; in RGB2YUV() local
924 Cb = u / 16; in RGB2YUV()
927 return Cr | (Cb << 16) | (Y << 8); in RGB2YUV()
/linux/Documentation/userspace-api/
H A Ddma-buf-alloc-exchange.rst51 more color channels values, e.g. R, G and B, or Y, Cb and Cr. May also