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5377d91f MH |
1 | .. -*- coding: utf-8; mode: rst -*- |
2 | ||
3 | .. _V4L2-PIX-FMT-Y41P: | |
4 | ||
5 | ************************** | |
6 | V4L2_PIX_FMT_Y41P ('Y41P') | |
7 | ************************** | |
8 | ||
5377d91f MH |
9 | |
10 | Format with ΒΌ horizontal chroma resolution, also known as YUV 4:1:1 | |
11 | ||
12 | ||
13 | Description | |
14 | =========== | |
15 | ||
16 | In this format each 12 bytes is eight pixels. In the twelve bytes are | |
17 | two CbCr pairs and eight Y's. The first CbCr pair goes with the first | |
18 | four Y's, and the second CbCr pair goes with the other four Y's. The Cb | |
19 | and Cr components have one fourth the horizontal resolution of the Y | |
20 | component. | |
21 | ||
22 | Do not confuse this format with | |
23 | :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>`. Y41P is derived | |
24 | from "YUV 4:1:1 *packed*", while YUV411P stands for "YUV 4:1:1 | |
25 | *planar*". | |
26 | ||
27 | **Byte Order.** | |
5377d91f MH |
28 | Each cell is one byte. |
29 | ||
30 | ||
31 | ||
5bd4bb78 | 32 | |
5377d91f MH |
33 | .. flat-table:: |
34 | :header-rows: 0 | |
35 | :stub-columns: 0 | |
5377d91f MH |
36 | |
37 | ||
38 | - .. row 1 | |
39 | ||
40 | - start + 0: | |
41 | ||
42 | - Cb\ :sub:`00` | |
43 | ||
44 | - Y'\ :sub:`00` | |
45 | ||
46 | - Cr\ :sub:`00` | |
47 | ||
48 | - Y'\ :sub:`01` | |
49 | ||
50 | - Cb\ :sub:`01` | |
51 | ||
52 | - Y'\ :sub:`02` | |
53 | ||
54 | - Cr\ :sub:`01` | |
55 | ||
56 | - Y'\ :sub:`03` | |
57 | ||
58 | - Y'\ :sub:`04` | |
59 | ||
60 | - Y'\ :sub:`05` | |
61 | ||
62 | - Y'\ :sub:`06` | |
63 | ||
64 | - Y'\ :sub:`07` | |
65 | ||
66 | - .. row 2 | |
67 | ||
68 | - start + 12: | |
69 | ||
70 | - Cb\ :sub:`10` | |
71 | ||
72 | - Y'\ :sub:`10` | |
73 | ||
74 | - Cr\ :sub:`10` | |
75 | ||
76 | - Y'\ :sub:`11` | |
77 | ||
78 | - Cb\ :sub:`11` | |
79 | ||
80 | - Y'\ :sub:`12` | |
81 | ||
82 | - Cr\ :sub:`11` | |
83 | ||
84 | - Y'\ :sub:`13` | |
85 | ||
86 | - Y'\ :sub:`14` | |
87 | ||
88 | - Y'\ :sub:`15` | |
89 | ||
90 | - Y'\ :sub:`16` | |
91 | ||
92 | - Y'\ :sub:`17` | |
93 | ||
94 | - .. row 3 | |
95 | ||
96 | - start + 24: | |
97 | ||
98 | - Cb\ :sub:`20` | |
99 | ||
100 | - Y'\ :sub:`20` | |
101 | ||
102 | - Cr\ :sub:`20` | |
103 | ||
104 | - Y'\ :sub:`21` | |
105 | ||
106 | - Cb\ :sub:`21` | |
107 | ||
108 | - Y'\ :sub:`22` | |
109 | ||
110 | - Cr\ :sub:`21` | |
111 | ||
112 | - Y'\ :sub:`23` | |
113 | ||
114 | - Y'\ :sub:`24` | |
115 | ||
116 | - Y'\ :sub:`25` | |
117 | ||
118 | - Y'\ :sub:`26` | |
119 | ||
120 | - Y'\ :sub:`27` | |
121 | ||
122 | - .. row 4 | |
123 | ||
124 | - start + 36: | |
125 | ||
126 | - Cb\ :sub:`30` | |
127 | ||
128 | - Y'\ :sub:`30` | |
129 | ||
130 | - Cr\ :sub:`30` | |
131 | ||
132 | - Y'\ :sub:`31` | |
133 | ||
134 | - Cb\ :sub:`31` | |
135 | ||
136 | - Y'\ :sub:`32` | |
137 | ||
138 | - Cr\ :sub:`31` | |
139 | ||
140 | - Y'\ :sub:`33` | |
141 | ||
142 | - Y'\ :sub:`34` | |
143 | ||
144 | - Y'\ :sub:`35` | |
145 | ||
146 | - Y'\ :sub:`36` | |
147 | ||
148 | - Y'\ :sub:`37` | |
149 | ||
150 | ||
151 | **Color Sample Location..** | |
152 | ||
5377d91f MH |
153 | .. flat-table:: |
154 | :header-rows: 0 | |
155 | :stub-columns: 0 | |
156 | ||
157 | ||
158 | - .. row 1 | |
159 | ||
0579e6e3 | 160 | - |
5377d91f MH |
161 | - 0 |
162 | ||
5377d91f MH |
163 | - 1 |
164 | ||
0579e6e3 | 165 | - |
5377d91f MH |
166 | - 2 |
167 | ||
5377d91f MH |
168 | - 3 |
169 | ||
5377d91f MH |
170 | - 4 |
171 | ||
5377d91f MH |
172 | - 5 |
173 | ||
0579e6e3 | 174 | - |
5377d91f MH |
175 | - 6 |
176 | ||
5377d91f MH |
177 | - 7 |
178 | ||
179 | - .. row 2 | |
180 | ||
181 | - 0 | |
182 | ||
183 | - Y | |
184 | ||
5377d91f MH |
185 | - Y |
186 | ||
187 | - C | |
188 | ||
189 | - Y | |
190 | ||
5377d91f MH |
191 | - Y |
192 | ||
5377d91f MH |
193 | - Y |
194 | ||
5377d91f MH |
195 | - Y |
196 | ||
197 | - C | |
198 | ||
199 | - Y | |
200 | ||
5377d91f MH |
201 | - Y |
202 | ||
203 | - .. row 3 | |
204 | ||
205 | - 1 | |
206 | ||
207 | - Y | |
208 | ||
5377d91f MH |
209 | - Y |
210 | ||
211 | - C | |
212 | ||
213 | - Y | |
214 | ||
5377d91f MH |
215 | - Y |
216 | ||
5377d91f MH |
217 | - Y |
218 | ||
5377d91f MH |
219 | - Y |
220 | ||
221 | - C | |
222 | ||
223 | - Y | |
224 | ||
5377d91f MH |
225 | - Y |
226 | ||
227 | - .. row 4 | |
228 | ||
229 | - 2 | |
230 | ||
231 | - Y | |
232 | ||
5377d91f MH |
233 | - Y |
234 | ||
235 | - C | |
236 | ||
237 | - Y | |
238 | ||
5377d91f MH |
239 | - Y |
240 | ||
5377d91f MH |
241 | - Y |
242 | ||
5377d91f MH |
243 | - Y |
244 | ||
245 | - C | |
246 | ||
247 | - Y | |
248 | ||
5377d91f MH |
249 | - Y |
250 | ||
251 | - .. row 5 | |
252 | ||
253 | - 3 | |
254 | ||
255 | - Y | |
256 | ||
5377d91f MH |
257 | - Y |
258 | ||
259 | - C | |
260 | ||
261 | - Y | |
262 | ||
5377d91f MH |
263 | - Y |
264 | ||
5377d91f MH |
265 | - Y |
266 | ||
5377d91f MH |
267 | - Y |
268 | ||
269 | - C | |
270 | ||
271 | - Y | |
272 | ||
5377d91f | 273 | - Y |