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5377d91f MH |
1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _V4L2-PIX-FMT-YUYV: | |
4 | ||
5 | ************************** | |
6 | V4L2_PIX_FMT_YUYV ('YUYV') | |
7 | ************************** | |
8 | ||
9 | *man V4L2_PIX_FMT_YUYV(2)* | |
10 | ||
11 | Packed format with ½ horizontal chroma resolution, also known as YUV | |
12 | 4:2:2 | |
13 | ||
14 | ||
15 | Description | |
16 | =========== | |
17 | ||
18 | In this format each four bytes is two pixels. Each four bytes is two | |
19 | Y's, a Cb and a Cr. Each Y goes to one of the pixels, and the Cb and Cr | |
20 | belong to both pixels. As you can see, the Cr and Cb components have | |
21 | half the horizontal resolution of the Y component. ``V4L2_PIX_FMT_YUYV`` | |
22 | is known in the Windows environment as YUY2. | |
23 | ||
056d2ee6 | 24 | **Byte Order.** |
5377d91f MH |
25 | Each cell is one byte. |
26 | ||
27 | ||
28 | ||
29 | .. flat-table:: | |
30 | :header-rows: 0 | |
31 | :stub-columns: 0 | |
32 | :widths: 2 1 1 1 1 1 1 1 1 | |
33 | ||
34 | ||
35 | - .. row 1 | |
36 | ||
37 | - start + 0: | |
38 | ||
39 | - Y'\ :sub:`00` | |
40 | ||
41 | - Cb\ :sub:`00` | |
42 | ||
43 | - Y'\ :sub:`01` | |
44 | ||
45 | - Cr\ :sub:`00` | |
46 | ||
47 | - Y'\ :sub:`02` | |
48 | ||
49 | - Cb\ :sub:`01` | |
50 | ||
51 | - Y'\ :sub:`03` | |
52 | ||
53 | - Cr\ :sub:`01` | |
54 | ||
55 | - .. row 2 | |
56 | ||
57 | - start + 8: | |
58 | ||
59 | - Y'\ :sub:`10` | |
60 | ||
61 | - Cb\ :sub:`10` | |
62 | ||
63 | - Y'\ :sub:`11` | |
64 | ||
65 | - Cr\ :sub:`10` | |
66 | ||
67 | - Y'\ :sub:`12` | |
68 | ||
69 | - Cb\ :sub:`11` | |
70 | ||
71 | - Y'\ :sub:`13` | |
72 | ||
73 | - Cr\ :sub:`11` | |
74 | ||
75 | - .. row 3 | |
76 | ||
77 | - start + 16: | |
78 | ||
79 | - Y'\ :sub:`20` | |
80 | ||
81 | - Cb\ :sub:`20` | |
82 | ||
83 | - Y'\ :sub:`21` | |
84 | ||
85 | - Cr\ :sub:`20` | |
86 | ||
87 | - Y'\ :sub:`22` | |
88 | ||
89 | - Cb\ :sub:`21` | |
90 | ||
91 | - Y'\ :sub:`23` | |
92 | ||
93 | - Cr\ :sub:`21` | |
94 | ||
95 | - .. row 4 | |
96 | ||
97 | - start + 24: | |
98 | ||
99 | - Y'\ :sub:`30` | |
100 | ||
101 | - Cb\ :sub:`30` | |
102 | ||
103 | - Y'\ :sub:`31` | |
104 | ||
105 | - Cr\ :sub:`30` | |
106 | ||
107 | - Y'\ :sub:`32` | |
108 | ||
109 | - Cb\ :sub:`31` | |
110 | ||
111 | - Y'\ :sub:`33` | |
112 | ||
113 | - Cr\ :sub:`31` | |
114 | ||
115 | ||
116 | **Color Sample Location..** | |
117 | ||
118 | ||
119 | ||
120 | .. flat-table:: | |
121 | :header-rows: 0 | |
122 | :stub-columns: 0 | |
123 | ||
124 | ||
125 | - .. row 1 | |
126 | ||
0579e6e3 | 127 | - |
5377d91f MH |
128 | - 0 |
129 | ||
0579e6e3 | 130 | - |
5377d91f MH |
131 | - 1 |
132 | ||
0579e6e3 | 133 | - |
5377d91f MH |
134 | - 2 |
135 | ||
0579e6e3 | 136 | - |
5377d91f MH |
137 | - 3 |
138 | ||
139 | - .. row 2 | |
140 | ||
141 | - 0 | |
142 | ||
143 | - Y | |
144 | ||
145 | - C | |
146 | ||
147 | - Y | |
148 | ||
0579e6e3 | 149 | - |
5377d91f MH |
150 | - Y |
151 | ||
152 | - C | |
153 | ||
154 | - Y | |
155 | ||
156 | - .. row 3 | |
157 | ||
158 | - 1 | |
159 | ||
160 | - Y | |
161 | ||
162 | - C | |
163 | ||
164 | - Y | |
165 | ||
0579e6e3 | 166 | - |
5377d91f MH |
167 | - Y |
168 | ||
169 | - C | |
170 | ||
171 | - Y | |
172 | ||
173 | - .. row 4 | |
174 | ||
175 | - 2 | |
176 | ||
177 | - Y | |
178 | ||
179 | - C | |
180 | ||
181 | - Y | |
182 | ||
0579e6e3 | 183 | - |
5377d91f MH |
184 | - Y |
185 | ||
186 | - C | |
187 | ||
188 | - Y | |
189 | ||
190 | - .. row 5 | |
191 | ||
192 | - 3 | |
193 | ||
194 | - Y | |
195 | ||
196 | - C | |
197 | ||
198 | - Y | |
199 | ||
0579e6e3 | 200 | - |
5377d91f MH |
201 | - Y |
202 | ||
203 | - C | |
204 | ||
205 | - Y |