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/Linux-v5.4/Documentation/media/uapi/v4l/
Dpixfmt-packed-yuv.rst19 Similar to the packed RGB formats these formats store the Y, Cb and Cr
95 - Cr\ :sub:`3`
96 - Cr\ :sub:`2`
97 - Cr\ :sub:`1`
98 - Cr\ :sub:`0`
119 - Cr\ :sub:`4`
120 - Cr\ :sub:`3`
121 - Cr\ :sub:`2`
122 - Cr\ :sub:`1`
123 - Cr\ :sub:`0`
[all …]
Dpixfmt-nv24.rst32 per pixel, with each Cb and Cr sample stored in one byte.
33 ``V4L2_PIX_FMT_NV42`` is the same except that the Cb and Cr samples are
34 swapped, the CrCb plane starts with a Cr sample.
69 - Cr\ :sub:`00`
71 - Cr\ :sub:`01`
73 - Cr\ :sub:`02`
75 - Cr\ :sub:`03`
78 - Cr\ :sub:`10`
80 - Cr\ :sub:`11`
82 - Cr\ :sub:`12`
[all …]
Dpixfmt-yuv444m.rst31 is the same width and height as the Y plane (and as the image). The Cr
34 ``V4L2_PIX_FMT_YVU444M`` is the same except the Cr data is stored in the
37 If the Y plane has pad bytes after each row, then the Cb and Cr planes
95 - Cr\ :sub:`00`
96 - Cr\ :sub:`01`
97 - Cr\ :sub:`02`
98 - Cr\ :sub:`03`
100 - Cr\ :sub:`10`
101 - Cr\ :sub:`11`
102 - Cr\ :sub:`12`
[all …]
Dpixfmt-uyvy.rst25 Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr
26 belong to both pixels. As you can see, the Cr and Cb components have
40 - Cr\ :sub:`00`
44 - Cr\ :sub:`01`
49 - Cr\ :sub:`10`
53 - Cr\ :sub:`11`
58 - Cr\ :sub:`20`
62 - Cr\ :sub:`21`
67 - Cr\ :sub:`30`
71 - Cr\ :sub:`31`
Dpixfmt-yvyu.rst25 Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr
26 belong to both pixels. As you can see, the Cr and Cb components have
39 - Cr\ :sub:`00`
43 - Cr\ :sub:`01`
48 - Cr\ :sub:`10`
52 - Cr\ :sub:`11`
57 - Cr\ :sub:`20`
61 - Cr\ :sub:`21`
66 - Cr\ :sub:`30`
70 - Cr\ :sub:`31`
Dpixfmt-vyuy.rst25 Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr
26 belong to both pixels. As you can see, the Cr and Cb components have
38 - Cr\ :sub:`00`
42 - Cr\ :sub:`01`
47 - Cr\ :sub:`10`
51 - Cr\ :sub:`11`
56 - Cr\ :sub:`20`
60 - Cr\ :sub:`21`
65 - Cr\ :sub:`30`
69 - Cr\ :sub:`31`
Dpixfmt-yuyv.rst25 Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr
26 belong to both pixels. As you can see, the Cr and Cb components have
44 - Cr\ :sub:`00`
48 - Cr\ :sub:`01`
53 - Cr\ :sub:`10`
57 - Cr\ :sub:`11`
62 - Cr\ :sub:`20`
66 - Cr\ :sub:`21`
71 - Cr\ :sub:`30`
75 - Cr\ :sub:`31`
Dpixfmt-uv8.rst37 - Cr\ :sub:`00`
39 - Cr\ :sub:`01`
42 - Cr\ :sub:`10`
44 - Cr\ :sub:`11`
47 - Cr\ :sub:`20`
49 - Cr\ :sub:`21`
52 - Cr\ :sub:`30`
54 - Cr\ :sub:`31`
Dpixfmt-yuv420.rst29 ``V4L2_PIX_FMT_YVU420``, the Cr plane immediately follows the Y plane in
30 memory. The Cr plane is half the width and half the height of the Y
31 plane (and of the image). Each Cr belongs to four pixels, a two-by-two
32 square of the image. For example, Cr\ :sub:`0` belongs to Y'\ :sub:`00`,
33 Y'\ :sub:`01`, Y'\ :sub:`10`, and Y'\ :sub:`11`. Following the Cr plane
34 is the Cb plane, just like the Cr plane. ``V4L2_PIX_FMT_YUV420`` is the
35 same except the Cb plane comes first, then the Cr plane.
37 If the Y plane has pad bytes after each row, then the Cr and Cb planes
73 - Cr\ :sub:`00`
74 - Cr\ :sub:`01`
[all …]
Dpixfmt-nv16.rst32 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`.
33 ``V4L2_PIX_FMT_NV61`` is the same except the Cb and Cr bytes are
34 swapped, the CrCb plane starts with a Cr byte.
69 - Cr\ :sub:`00`
71 - Cr\ :sub:`01`
74 - Cr\ :sub:`10`
76 - Cr\ :sub:`11`
79 - Cr\ :sub:`20`
81 - Cr\ :sub:`21`
84 - Cr\ :sub:`30`
[all …]
Dpixfmt-nv16m.rst34 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`.
36 Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte.
73 - Cr\ :sub:`00`
75 - Cr\ :sub:`02`
78 - Cr\ :sub:`10`
80 - Cr\ :sub:`12`
83 - Cr\ :sub:`20`
85 - Cr\ :sub:`22`
88 - Cr\ :sub:`30`
90 - Cr\ :sub:`32`
Dpixfmt-yuv422m.rst33 Y'\ :sub:`01`. The Cr data, just like the Cb plane, is in the third
36 ``V4L2_PIX_FMT_YVU422M`` is the same except the Cr data is stored in the
39 If the Y plane has pad bytes after each row, then the Cb and Cr planes
93 - Cr\ :sub:`00`
94 - Cr\ :sub:`01`
96 - Cr\ :sub:`10`
97 - Cr\ :sub:`11`
99 - Cr\ :sub:`20`
100 - Cr\ :sub:`21`
102 - Cr\ :sub:`30`
[all …]
Dpixfmt-yuv422p.rst30 Y'\ :sub:`01`. Following the Cb plane is the Cr plane, just like the Cb
33 If the Y plane has pad bytes after each row, then the Cr and Cb planes
81 - Cr\ :sub:`00`
82 - Cr\ :sub:`01`
84 - Cr\ :sub:`10`
85 - Cr\ :sub:`11`
87 - Cr\ :sub:`20`
88 - Cr\ :sub:`21`
90 - Cr\ :sub:`30`
91 - Cr\ :sub:`31`
Dpixfmt-y41p.rst26 and Cr components have one fourth the horizontal resolution of the Y
47 - Cr\ :sub:`00`
51 - Cr\ :sub:`01`
60 - Cr\ :sub:`10`
64 - Cr\ :sub:`11`
73 - Cr\ :sub:`20`
77 - Cr\ :sub:`21`
86 - Cr\ :sub:`30`
90 - Cr\ :sub:`31`
Dpixfmt-yuv410.rst29 the Cr plane immediately follows the Y plane in memory. The Cr plane is
30 ¼ the width and ¼ the height of the Y plane (and of the image). Each Cr
32 Cr plane is the Cb plane, just like the Cr plane.
34 then the Cr plane.
36 If the Y plane has pad bytes after each row, then the Cr and Cb planes
72 - Cr\ :sub:`00`
Dpixfmt-nv12.rst33 For example, Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`,
35 the same except the Cb and Cr bytes are swapped, the CrCb plane starts
36 with a Cr byte.
71 - Cr\ :sub:`00`
73 - Cr\ :sub:`01`
76 - Cr\ :sub:`10`
78 - Cr\ :sub:`11`
Dpixfmt-yuv420m.rst34 Y'\ :sub:`10`, and Y'\ :sub:`11`. The Cr data, just like the Cb plane,
37 ``V4L2_PIX_FMT_YVU420M`` is the same except the Cr data is stored in the
40 If the Y plane has pad bytes after each row, then the Cb and Cr planes
88 - Cr\ :sub:`00`
89 - Cr\ :sub:`01`
91 - Cr\ :sub:`10`
92 - Cr\ :sub:`11`
Dcolorspaces-details.rst77 The luminance (Y') and color difference (Cb and Cr) are obtained with
86 Cr = 0.5R' - 0.4187G' - 0.0813B'
88 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
157 The luminance (Y') and color difference (Cb and Cr) are obtained with
166 Cr = 0.5R' - 0.4542G' - 0.0458B'
168 Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
183 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
192 Cr = \frac{224}{256} * (0.5R' - 0.4542G' - 0.0458B')
196 that are outside the range [0…1]. The resulting Y', Cb and Cr values are
205 Cr = \frac{224}{256} * (0.5R' - 0.4187G' - 0.0813B')
[all …]
Dpixfmt-nv12m.rst37 four pixels. For example, Cb\ :sub:`0`/Cr\ :sub:`0` belongs to
43 except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr
83 - Cr\ :sub:`00`
85 - Cr\ :sub:`01`
88 - Cr\ :sub:`10`
90 - Cr\ :sub:`11`
Dpixfmt-yuv411p.rst31 Y'\ :sub:`02` and Y'\ :sub:`03`. Following the Cb plane is the Cr plane,
34 If the Y plane has pad bytes after each row, then the Cr and Cb planes
76 - Cr\ :sub:`00`
78 - Cr\ :sub:`10`
80 - Cr\ :sub:`20`
82 - Cr\ :sub:`30`
Dpixfmt-m420.rst30 Cb\ :sub:`0`/Cr\ :sub:`0` belongs to Y'\ :sub:`00`, Y'\ :sub:`01`,
56 - Cr\ :sub:`00`
58 - Cr\ :sub:`01`
71 - Cr\ :sub:`10`
73 - Cr\ :sub:`11`
Dext-ctrls-jpeg.rst37 how Cb and Cr components are downsampled after converting an input
47 - No chroma subsampling, each pixel has Y, Cr and Cb values.
49 - Horizontally subsample Cr, Cb components by a factor of 2.
51 - Subsample Cr, Cb components horizontally and vertically by 2.
53 - Horizontally subsample Cr, Cb components by a factor of 4.
55 - Subsample Cr, Cb components horizontally by 4 and vertically by 2.
Dpixfmt-meta-vsp1-hgo.rst64 - R/Cr/H max [7:0]
66 - R/Cr/H min [7:0]
78 - :cspan:`4` R/Cr/H sum [31:0]
84 - :cspan:`4` R/Cr/H bin 0 [31:0]
88 - :cspan:`4` R/Cr/H bin 63 [31:0]
/Linux-v5.4/Documentation/gpu/
Dafbc.rst22 corresponds to a color channel (i.e. R, G, B, X, A, Y, Cb, Cr).
57 * Component 2: Cr(8, 2x1 subsampled)
98 * Component 2: Cr(8, 2x1 subsampled)
109 * Component 1: Cr(8, 2x1 subsampled)
168 * Component 2: Cr(8)
175 * Component 2: Cr(10)
182 * Component 2: Cr(8, 2x1 subsampled)
190 * Component 1: Cr(8, 2x1 subsampled)
197 * Component 2: Cr(10, 2x1 subsampled)
205 * Component 1: Cr(10, 2x1 subsampled)
[all …]
/Linux-v5.4/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)
123 with minimum bits per pixel, e.g. for YUV420, Cr component

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