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/linux-6.12.1/Documentation/userspace-api/media/v4l/
Dpixfmt-yuv-planar.rst14 Cb and Cr components interleaved.
16 - Fully planar formats use three planes to store the Y, Cb and Cr components
36 components in the second plane. The Cb and Cr components are interleaved in the
37 chroma plane, with Cb and Cr always stored in pairs. The chroma order is
72 - Cb, Cr
79 - Cr, Cb
86 - Cb, Cr
93 - Cr, Cb
100 - Cb, Cr
109 - Cb, Cr
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Dpixfmt-packed-yuv.rst9 Similarly to the packed RGB formats, the packed YUV formats store the Y, Cb and
16 - 'Y', 'Cb' and 'Cr' denote bits of the luma, blue chroma (also known as
26 full triplet of Y, Cb and Cr values.
29 component. They are named based on the order of the Y, Cb and Cr components as
33 Cb\ :sub:`5-0` Cr\ :sub:`4-0`], and stored in memory in two bytes,
34 [Cb\ :sub:`2-0` Cr\ :sub:`4-0`] followed by [Y'\ :sub:`4-0` Cb\ :sub:`5-3`].
80 - Cb\ :sub:`3`
81 - Cb\ :sub:`2`
82 - Cb\ :sub:`1`
83 - Cb\ :sub:`0`
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Dpixfmt-uv8.rst29 - Cb\ :sub:`00`
31 - Cb\ :sub:`01`
34 - Cb\ :sub:`10`
36 - Cb\ :sub:`11`
39 - Cb\ :sub:`20`
41 - Cb\ :sub:`21`
44 - Cb\ :sub:`30`
46 - Cb\ :sub:`31`
Dcolorspaces-details.rst66 The luminance (Y') and color difference (Cb and Cr) are obtained with
73 Cb = -0.1687R' - 0.3313G' + 0.5B'
77 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
142 The luminance (Y') and color difference (Cb and Cr) are obtained with
149 Cb = -0.1146R' - 0.3854G' + 0.5B'
153 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
168 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
175 Cb = \frac{224}{256} * (-0.1146R' - 0.3854G' + 0.5B')
181 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
188 Cb = \frac{224}{256} * (-0.1687R' - 0.3313G' + 0.5B')
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Dpixfmt-m420.rst23 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`,
48 - Cb\ :sub:`00`
50 - Cb\ :sub:`01`
63 - Cb\ :sub:`10`
65 - Cb\ :sub:`11`
Dext-ctrls-jpeg.rst30 how Cb and Cr components are downsampled after converting an input
40 - No chroma subsampling, each pixel has Y, Cr and Cb values.
42 - Horizontally subsample Cr, Cb components by a factor of 2.
44 - Subsample Cr, Cb components horizontally and vertically by 2.
46 - Horizontally subsample Cr, Cb components by a factor of 4.
48 - Subsample Cr, Cb components horizontally by 4 and vertically by 2.
Dmetafmt-vsp1-hgo.rst67 - B/Cb/V max [7:0]
69 - B/Cb/V min [7:0]
75 - :cspan:`4` B/Cb/V sum [31:0]
89 - :cspan:`4` B/Cb/V bin 0 [31:0]
93 - :cspan:`4` B/Cb/V bin 63 [31:0]
Dcolorspaces-defs.rst169 0x00 and 0xff values). Cb and Cr are mapped from [-0.5…0.5] to
174 is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to
Dyuv-formats.rst11 and V or Cb and Cr). The color information consists of red and blue
Dcontrol.rst247 - The Cb and Cr chroma components are replaced by fixed coefficients
262 Determines the Cb and Cr coefficients for ``V4L2_COLORFX_SET_CBCR``
264 interpreted as Cr component, bits [15:8] as Cb component and bits
Dcolorspaces.rst132 range with Y' using [16…235] and Cb and Cr using [16…240].
Dpixfmt-v4l2.rst82 ``width`` field for the other planes. For example the Cb and Cr
Dvidioc-g-fbuf.rst171 ``width`` field for the other planes. For example the Cb and Cr
Dext-ctrls-codec-stateless.rst300 Expected list order is Intra Y, Intra Cb, Intra Cr, Inter Y,
301 Inter Cb, Inter Cr. The values on each scaling list are
306 Expected list order is Intra Y, Inter Y, Intra Cb, Inter Cb,
888 - Set if the Cb plane is uncompressed.
2257 - Specifies the offsets to the luma quantization parameter Cb.
Dext-ctrls-codec.rst697 * - Cb chrominance
/linux-6.12.1/Documentation/gpu/
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-6.12.1/Documentation/fb/
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-6.12.1/Documentation/devicetree/bindings/media/i2c/
Dtda1997x.txt7 - YUV444 8bit per color (24 bits total): Y[11:4] Cr[11:4] Cb[11:4]
17 - YUV444 12bit per color (36 bits total): Y[11:0] Cb[11:0] Cr[11:0]
/linux-6.12.1/drivers/staging/media/av7110/
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-6.12.1/Documentation/userspace-api/
Ddma-buf-alloc-exchange.rst51 more color channels values, e.g. R, G and B, or Y, Cb and Cr. May also