1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 2
3 .. _packed-yuv: 3 .. _packed-yuv:
4 4
5 ****************** 5 ******************
6 Packed YUV formats 6 Packed YUV formats
7 ****************** 7 ******************
8 8
9 Similarly to the packed RGB formats, the packe 9 Similarly to the packed RGB formats, the packed YUV formats store the Y, Cb and
10 Cr components consecutively in memory. They ma 10 Cr components consecutively in memory. They may apply subsampling to the chroma
11 components and thus differ in how they interla 11 components and thus differ in how they interlave the three components.
12 12
13 .. note:: 13 .. note::
14 14
15 - In all the tables that follow, bit 7 is t 15 - In all the tables that follow, bit 7 is the most significant bit in a byte.
16 - 'Y', 'Cb' and 'Cr' denote bits of the lum 16 - 'Y', 'Cb' and 'Cr' denote bits of the luma, blue chroma (also known as
17 'U') and red chroma (also known as 'V') c 17 'U') and red chroma (also known as 'V') components respectively. 'A'
18 denotes bits of the alpha component (if s 18 denotes bits of the alpha component (if supported by the format), and 'X'
19 denotes padding bits. 19 denotes padding bits.
20 20
21 21
22 4:4:4 Subsampling 22 4:4:4 Subsampling
23 ================= 23 =================
24 24
25 These formats do not subsample the chroma comp 25 These formats do not subsample the chroma components and store each pixels as a
26 full triplet of Y, Cb and Cr values. 26 full triplet of Y, Cb and Cr values.
27 27
28 The next table lists the packed YUV 4:4:4 form 28 The next table lists the packed YUV 4:4:4 formats with less than 8 bits per
29 component. They are named based on the order o 29 component. They are named based on the order of the Y, Cb and Cr components as
30 seen in a 16-bit word, which is then stored in 30 seen in a 16-bit word, which is then stored in memory in little endian byte
31 order, and on the number of bits for each comp 31 order, and on the number of bits for each component. For instance the YUV565
32 format stores a pixel in a 16-bit word [15:0] 32 format stores a pixel in a 16-bit word [15:0] laid out at as [Y'\ :sub:`4-0`
33 Cb\ :sub:`5-0` Cr\ :sub:`4-0`], and stored in 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 34 [Cb\ :sub:`2-0` Cr\ :sub:`4-0`] followed by [Y'\ :sub:`4-0` Cb\ :sub:`5-3`].
35 35
36 .. raw:: latex 36 .. raw:: latex
37 37
38 \begingroup 38 \begingroup
39 \scriptsize 39 \scriptsize
40 \setlength{\tabcolsep}{2pt} 40 \setlength{\tabcolsep}{2pt}
41 41
42 .. tabularcolumns:: |p{3.5cm}|p{0.96cm}|p{0.52 42 .. tabularcolumns:: |p{3.5cm}|p{0.96cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|p{0.52cm}|
43 43
44 .. flat-table:: Packed YUV 4:4:4 Image Formats 44 .. flat-table:: Packed YUV 4:4:4 Image Formats (less than 8bpc)
45 :header-rows: 2 45 :header-rows: 2
46 :stub-columns: 0 46 :stub-columns: 0
47 47
48 * - Identifier 48 * - Identifier
49 - Code 49 - Code
50 50
51 - :cspan:`7` Byte 0 in memory 51 - :cspan:`7` Byte 0 in memory
52 52
53 - :cspan:`7` Byte 1 53 - :cspan:`7` Byte 1
54 54
55 * - 55 * -
56 - 56 -
57 - 7 57 - 7
58 - 6 58 - 6
59 - 5 59 - 5
60 - 4 60 - 4
61 - 3 61 - 3
62 - 2 62 - 2
63 - 1 63 - 1
64 - 0 64 - 0
65 65
66 - 7 66 - 7
67 - 6 67 - 6
68 - 5 68 - 5
69 - 4 69 - 4
70 - 3 70 - 3
71 - 2 71 - 2
72 - 1 72 - 1
73 - 0 73 - 0
74 74
75 * .. _V4L2-PIX-FMT-YUV444: 75 * .. _V4L2-PIX-FMT-YUV444:
76 76
77 - ``V4L2_PIX_FMT_YUV444`` 77 - ``V4L2_PIX_FMT_YUV444``
78 - 'Y444' 78 - 'Y444'
79 79
80 - Cb\ :sub:`3` 80 - Cb\ :sub:`3`
81 - Cb\ :sub:`2` 81 - Cb\ :sub:`2`
82 - Cb\ :sub:`1` 82 - Cb\ :sub:`1`
83 - Cb\ :sub:`0` 83 - Cb\ :sub:`0`
84 - Cr\ :sub:`3` 84 - Cr\ :sub:`3`
85 - Cr\ :sub:`2` 85 - Cr\ :sub:`2`
86 - Cr\ :sub:`1` 86 - Cr\ :sub:`1`
87 - Cr\ :sub:`0` 87 - Cr\ :sub:`0`
88 88
89 - a\ :sub:`3` 89 - a\ :sub:`3`
90 - a\ :sub:`2` 90 - a\ :sub:`2`
91 - a\ :sub:`1` 91 - a\ :sub:`1`
92 - a\ :sub:`0` 92 - a\ :sub:`0`
93 - Y'\ :sub:`3` 93 - Y'\ :sub:`3`
94 - Y'\ :sub:`2` 94 - Y'\ :sub:`2`
95 - Y'\ :sub:`1` 95 - Y'\ :sub:`1`
96 - Y'\ :sub:`0` 96 - Y'\ :sub:`0`
97 97
98 * .. _V4L2-PIX-FMT-YUV555: 98 * .. _V4L2-PIX-FMT-YUV555:
99 99
100 - ``V4L2_PIX_FMT_YUV555`` 100 - ``V4L2_PIX_FMT_YUV555``
101 - 'YUVO' 101 - 'YUVO'
102 102
103 - Cb\ :sub:`2` 103 - Cb\ :sub:`2`
104 - Cb\ :sub:`1` 104 - Cb\ :sub:`1`
105 - Cb\ :sub:`0` 105 - Cb\ :sub:`0`
106 - Cr\ :sub:`4` 106 - Cr\ :sub:`4`
107 - Cr\ :sub:`3` 107 - Cr\ :sub:`3`
108 - Cr\ :sub:`2` 108 - Cr\ :sub:`2`
109 - Cr\ :sub:`1` 109 - Cr\ :sub:`1`
110 - Cr\ :sub:`0` 110 - Cr\ :sub:`0`
111 111
112 - a 112 - a
113 - Y'\ :sub:`4` 113 - Y'\ :sub:`4`
114 - Y'\ :sub:`3` 114 - Y'\ :sub:`3`
115 - Y'\ :sub:`2` 115 - Y'\ :sub:`2`
116 - Y'\ :sub:`1` 116 - Y'\ :sub:`1`
117 - Y'\ :sub:`0` 117 - Y'\ :sub:`0`
118 - Cb\ :sub:`4` 118 - Cb\ :sub:`4`
119 - Cb\ :sub:`3` 119 - Cb\ :sub:`3`
120 120
121 * .. _V4L2-PIX-FMT-YUV565: 121 * .. _V4L2-PIX-FMT-YUV565:
122 122
123 - ``V4L2_PIX_FMT_YUV565`` 123 - ``V4L2_PIX_FMT_YUV565``
124 - 'YUVP' 124 - 'YUVP'
125 125
126 - Cb\ :sub:`2` 126 - Cb\ :sub:`2`
127 - Cb\ :sub:`1` 127 - Cb\ :sub:`1`
128 - Cb\ :sub:`0` 128 - Cb\ :sub:`0`
129 - Cr\ :sub:`4` 129 - Cr\ :sub:`4`
130 - Cr\ :sub:`3` 130 - Cr\ :sub:`3`
131 - Cr\ :sub:`2` 131 - Cr\ :sub:`2`
132 - Cr\ :sub:`1` 132 - Cr\ :sub:`1`
133 - Cr\ :sub:`0` 133 - Cr\ :sub:`0`
134 134
135 - Y'\ :sub:`4` 135 - Y'\ :sub:`4`
136 - Y'\ :sub:`3` 136 - Y'\ :sub:`3`
137 - Y'\ :sub:`2` 137 - Y'\ :sub:`2`
138 - Y'\ :sub:`1` 138 - Y'\ :sub:`1`
139 - Y'\ :sub:`0` 139 - Y'\ :sub:`0`
140 - Cb\ :sub:`5` 140 - Cb\ :sub:`5`
141 - Cb\ :sub:`4` 141 - Cb\ :sub:`4`
142 - Cb\ :sub:`3` 142 - Cb\ :sub:`3`
143 143
144 .. raw:: latex 144 .. raw:: latex
145 145
146 \endgroup 146 \endgroup
147 147
148 .. note:: 148 .. note::
149 149
150 For the YUV444 and YUV555 formats, the val 150 For the YUV444 and YUV555 formats, the value of alpha bits is undefined
151 when reading from the driver, ignored when 151 when reading from the driver, ignored when writing to the driver, except
152 when alpha blending has been negotiated fo 152 when alpha blending has been negotiated for a :ref:`Video Overlay
153 <overlay>` or :ref:`Video Output Overlay < 153 <overlay>` or :ref:`Video Output Overlay <osd>`.
154 154
155 155
156 The next table lists the packed YUV 4:4:4 form 156 The next table lists the packed YUV 4:4:4 formats with 8 bits per component.
157 They are named based on the order of the Y, Cb 157 They are named based on the order of the Y, Cb and Cr components as stored in
158 memory, and on the total number of bits per pi 158 memory, and on the total number of bits per pixel. For instance, the VUYX32
159 format stores a pixel with Cr\ :sub:`7-0` in t 159 format stores a pixel with Cr\ :sub:`7-0` in the first byte, Cb\ :sub:`7-0` in
160 the second byte and Y'\ :sub:`7-0` in the thir 160 the second byte and Y'\ :sub:`7-0` in the third byte.
161 161
162 .. flat-table:: Packed YUV Image Formats (8bpc 162 .. flat-table:: Packed YUV Image Formats (8bpc)
163 :header-rows: 1 163 :header-rows: 1
164 :stub-columns: 0 164 :stub-columns: 0
165 165
166 * - Identifier 166 * - Identifier
167 - Code 167 - Code
168 - Byte 0 168 - Byte 0
169 - Byte 1 169 - Byte 1
170 - Byte 2 170 - Byte 2
171 - Byte 3 171 - Byte 3
172 172
173 * .. _V4L2-PIX-FMT-YUV32: 173 * .. _V4L2-PIX-FMT-YUV32:
174 174
175 - ``V4L2_PIX_FMT_YUV32`` 175 - ``V4L2_PIX_FMT_YUV32``
176 - 'YUV4' 176 - 'YUV4'
177 177
178 - A\ :sub:`7-0` 178 - A\ :sub:`7-0`
179 - Y'\ :sub:`7-0` 179 - Y'\ :sub:`7-0`
180 - Cb\ :sub:`7-0` 180 - Cb\ :sub:`7-0`
181 - Cr\ :sub:`7-0` 181 - Cr\ :sub:`7-0`
182 182
183 * .. _V4L2-PIX-FMT-AYUV32: 183 * .. _V4L2-PIX-FMT-AYUV32:
184 184
185 - ``V4L2_PIX_FMT_AYUV32`` 185 - ``V4L2_PIX_FMT_AYUV32``
186 - 'AYUV' 186 - 'AYUV'
187 187
188 - A\ :sub:`7-0` 188 - A\ :sub:`7-0`
189 - Y'\ :sub:`7-0` 189 - Y'\ :sub:`7-0`
190 - Cb\ :sub:`7-0` 190 - Cb\ :sub:`7-0`
191 - Cr\ :sub:`7-0` 191 - Cr\ :sub:`7-0`
192 192
193 * .. _V4L2-PIX-FMT-XYUV32: 193 * .. _V4L2-PIX-FMT-XYUV32:
194 194
195 - ``V4L2_PIX_FMT_XYUV32`` 195 - ``V4L2_PIX_FMT_XYUV32``
196 - 'XYUV' 196 - 'XYUV'
197 197
198 - X\ :sub:`7-0` 198 - X\ :sub:`7-0`
199 - Y'\ :sub:`7-0` 199 - Y'\ :sub:`7-0`
200 - Cb\ :sub:`7-0` 200 - Cb\ :sub:`7-0`
201 - Cr\ :sub:`7-0` 201 - Cr\ :sub:`7-0`
202 202
203 * .. _V4L2-PIX-FMT-VUYA32: 203 * .. _V4L2-PIX-FMT-VUYA32:
204 204
205 - ``V4L2_PIX_FMT_VUYA32`` 205 - ``V4L2_PIX_FMT_VUYA32``
206 - 'VUYA' 206 - 'VUYA'
207 207
208 - Cr\ :sub:`7-0` 208 - Cr\ :sub:`7-0`
209 - Cb\ :sub:`7-0` 209 - Cb\ :sub:`7-0`
210 - Y'\ :sub:`7-0` 210 - Y'\ :sub:`7-0`
211 - A\ :sub:`7-0` 211 - A\ :sub:`7-0`
212 212
213 * .. _V4L2-PIX-FMT-VUYX32: 213 * .. _V4L2-PIX-FMT-VUYX32:
214 214
215 - ``V4L2_PIX_FMT_VUYX32`` 215 - ``V4L2_PIX_FMT_VUYX32``
216 - 'VUYX' 216 - 'VUYX'
217 217
218 - Cr\ :sub:`7-0` 218 - Cr\ :sub:`7-0`
219 - Cb\ :sub:`7-0` 219 - Cb\ :sub:`7-0`
220 - Y'\ :sub:`7-0` 220 - Y'\ :sub:`7-0`
221 - X\ :sub:`7-0` 221 - X\ :sub:`7-0`
222 222
223 * .. _V4L2-PIX-FMT-YUVA32: 223 * .. _V4L2-PIX-FMT-YUVA32:
224 224
225 - ``V4L2_PIX_FMT_YUVA32`` 225 - ``V4L2_PIX_FMT_YUVA32``
226 - 'YUVA' 226 - 'YUVA'
227 227
228 - Y'\ :sub:`7-0` 228 - Y'\ :sub:`7-0`
229 - Cb\ :sub:`7-0` 229 - Cb\ :sub:`7-0`
230 - Cr\ :sub:`7-0` 230 - Cr\ :sub:`7-0`
231 - A\ :sub:`7-0` 231 - A\ :sub:`7-0`
232 232
233 * .. _V4L2-PIX-FMT-YUVX32: 233 * .. _V4L2-PIX-FMT-YUVX32:
234 234
235 - ``V4L2_PIX_FMT_YUVX32`` 235 - ``V4L2_PIX_FMT_YUVX32``
236 - 'YUVX' 236 - 'YUVX'
237 237
238 - Y'\ :sub:`7-0` 238 - Y'\ :sub:`7-0`
239 - Cb\ :sub:`7-0` 239 - Cb\ :sub:`7-0`
240 - Cr\ :sub:`7-0` 240 - Cr\ :sub:`7-0`
241 - X\ :sub:`7-0` 241 - X\ :sub:`7-0`
242 242
243 * .. _V4L2-PIX-FMT-YUV24: 243 * .. _V4L2-PIX-FMT-YUV24:
244 244
245 - ``V4L2_PIX_FMT_YUV24`` 245 - ``V4L2_PIX_FMT_YUV24``
246 - 'YUV3' 246 - 'YUV3'
247 247
248 - Y'\ :sub:`7-0` 248 - Y'\ :sub:`7-0`
249 - Cb\ :sub:`7-0` 249 - Cb\ :sub:`7-0`
250 - Cr\ :sub:`7-0` 250 - Cr\ :sub:`7-0`
251 - -\ 251 - -\
252 252
253 .. note:: 253 .. note::
254 254
255 - The alpha component is expected to conta 255 - The alpha component is expected to contain a meaningful value that can be
256 used by drivers and applications. 256 used by drivers and applications.
257 - The padding bits contain undefined value 257 - The padding bits contain undefined values that must be ignored by all
258 applications and drivers. 258 applications and drivers.
259 259
260 The next table lists the packed YUV 4:4:4 form 260 The next table lists the packed YUV 4:4:4 formats with 12 bits per component.
261 Expand the bits per component to 16 bits, data 261 Expand the bits per component to 16 bits, data in the high bits, zeros in the low bits,
262 arranged in little endian order, storing 1 pix 262 arranged in little endian order, storing 1 pixel in 6 bytes.
263 263
264 .. flat-table:: Packed YUV 4:4:4 Image Formats 264 .. flat-table:: Packed YUV 4:4:4 Image Formats (12bpc)
265 :header-rows: 1 265 :header-rows: 1
266 :stub-columns: 0 266 :stub-columns: 0
267 267
268 * - Identifier 268 * - Identifier
269 - Code 269 - Code
270 - Byte 1-0 270 - Byte 1-0
271 - Byte 3-2 271 - Byte 3-2
272 - Byte 5-4 272 - Byte 5-4
273 - Byte 7-6 273 - Byte 7-6
274 - Byte 9-8 274 - Byte 9-8
275 - Byte 11-10 275 - Byte 11-10
276 276
277 * .. _V4L2-PIX-FMT-YUV48-12: 277 * .. _V4L2-PIX-FMT-YUV48-12:
278 278
279 - ``V4L2_PIX_FMT_YUV48_12`` 279 - ``V4L2_PIX_FMT_YUV48_12``
280 - 'Y312' 280 - 'Y312'
281 281
282 - Y'\ :sub:`0` 282 - Y'\ :sub:`0`
283 - Cb\ :sub:`0` 283 - Cb\ :sub:`0`
284 - Cr\ :sub:`0` 284 - Cr\ :sub:`0`
285 - Y'\ :sub:`1` 285 - Y'\ :sub:`1`
286 - Cb\ :sub:`1` 286 - Cb\ :sub:`1`
287 - Cr\ :sub:`1` 287 - Cr\ :sub:`1`
288 288
289 4:2:2 Subsampling 289 4:2:2 Subsampling
290 ================= 290 =================
291 291
292 These formats, commonly referred to as YUYV or 292 These formats, commonly referred to as YUYV or YUY2, subsample the chroma
293 components horizontally by 2, storing 2 pixels 293 components horizontally by 2, storing 2 pixels in a container. The container
294 is 32-bits for 8-bit formats, and 64-bits for 294 is 32-bits for 8-bit formats, and 64-bits for 10+-bit formats.
295 295
296 The packed YUYV formats with more than 8 bits 296 The packed YUYV formats with more than 8 bits per component are stored as four
297 16-bit little-endian words. Each word's most s 297 16-bit little-endian words. Each word's most significant bits contain one
298 component, and the least significant bits are 298 component, and the least significant bits are zero padding.
299 299
300 .. raw:: latex 300 .. raw:: latex
301 301
302 \footnotesize 302 \footnotesize
303 303
304 .. tabularcolumns:: |p{3.4cm}|p{1.2cm}|p{0.8cm 304 .. tabularcolumns:: |p{3.4cm}|p{1.2cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|
305 305
306 .. flat-table:: Packed YUV 4:2:2 Formats in 32 306 .. flat-table:: Packed YUV 4:2:2 Formats in 32-bit container
307 :header-rows: 1 307 :header-rows: 1
308 :stub-columns: 0 308 :stub-columns: 0
309 309
310 * - Identifier 310 * - Identifier
311 - Code 311 - Code
312 - Byte 0 312 - Byte 0
313 - Byte 1 313 - Byte 1
314 - Byte 2 314 - Byte 2
315 - Byte 3 315 - Byte 3
316 - Byte 4 316 - Byte 4
317 - Byte 5 317 - Byte 5
318 - Byte 6 318 - Byte 6
319 - Byte 7 319 - Byte 7
320 * .. _V4L2-PIX-FMT-UYVY: 320 * .. _V4L2-PIX-FMT-UYVY:
321 321
322 - ``V4L2_PIX_FMT_UYVY`` 322 - ``V4L2_PIX_FMT_UYVY``
323 - 'UYVY' 323 - 'UYVY'
324 324
325 - Cb\ :sub:`0` 325 - Cb\ :sub:`0`
326 - Y'\ :sub:`0` 326 - Y'\ :sub:`0`
327 - Cr\ :sub:`0` 327 - Cr\ :sub:`0`
328 - Y'\ :sub:`1` 328 - Y'\ :sub:`1`
329 - Cb\ :sub:`2` 329 - Cb\ :sub:`2`
330 - Y'\ :sub:`2` 330 - Y'\ :sub:`2`
331 - Cr\ :sub:`2` 331 - Cr\ :sub:`2`
332 - Y'\ :sub:`3` 332 - Y'\ :sub:`3`
333 * .. _V4L2-PIX-FMT-VYUY: 333 * .. _V4L2-PIX-FMT-VYUY:
334 334
335 - ``V4L2_PIX_FMT_VYUY`` 335 - ``V4L2_PIX_FMT_VYUY``
336 - 'VYUY' 336 - 'VYUY'
337 337
338 - Cr\ :sub:`0` 338 - Cr\ :sub:`0`
339 - Y'\ :sub:`0` 339 - Y'\ :sub:`0`
340 - Cb\ :sub:`0` 340 - Cb\ :sub:`0`
341 - Y'\ :sub:`1` 341 - Y'\ :sub:`1`
342 - Cr\ :sub:`2` 342 - Cr\ :sub:`2`
343 - Y'\ :sub:`2` 343 - Y'\ :sub:`2`
344 - Cb\ :sub:`2` 344 - Cb\ :sub:`2`
345 - Y'\ :sub:`3` 345 - Y'\ :sub:`3`
346 * .. _V4L2-PIX-FMT-YUYV: 346 * .. _V4L2-PIX-FMT-YUYV:
347 347
348 - ``V4L2_PIX_FMT_YUYV`` 348 - ``V4L2_PIX_FMT_YUYV``
349 - 'YUYV' 349 - 'YUYV'
350 350
351 - Y'\ :sub:`0` 351 - Y'\ :sub:`0`
352 - Cb\ :sub:`0` 352 - Cb\ :sub:`0`
353 - Y'\ :sub:`1` 353 - Y'\ :sub:`1`
354 - Cr\ :sub:`0` 354 - Cr\ :sub:`0`
355 - Y'\ :sub:`2` 355 - Y'\ :sub:`2`
356 - Cb\ :sub:`2` 356 - Cb\ :sub:`2`
357 - Y'\ :sub:`3` 357 - Y'\ :sub:`3`
358 - Cr\ :sub:`2` 358 - Cr\ :sub:`2`
359 * .. _V4L2-PIX-FMT-YVYU: 359 * .. _V4L2-PIX-FMT-YVYU:
360 360
361 - ``V4L2_PIX_FMT_YVYU`` 361 - ``V4L2_PIX_FMT_YVYU``
362 - 'YVYU' 362 - 'YVYU'
363 363
364 - Y'\ :sub:`0` 364 - Y'\ :sub:`0`
365 - Cr\ :sub:`0` 365 - Cr\ :sub:`0`
366 - Y'\ :sub:`1` 366 - Y'\ :sub:`1`
367 - Cb\ :sub:`0` 367 - Cb\ :sub:`0`
368 - Y'\ :sub:`2` 368 - Y'\ :sub:`2`
369 - Cr\ :sub:`2` 369 - Cr\ :sub:`2`
370 - Y'\ :sub:`3` 370 - Y'\ :sub:`3`
371 - Cb\ :sub:`2` 371 - Cb\ :sub:`2`
372 372
373 .. tabularcolumns:: |p{3.4cm}|p{1.2cm}|p{0.8cm 373 .. tabularcolumns:: |p{3.4cm}|p{1.2cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|p{0.8cm}|
374 374
375 .. flat-table:: Packed YUV 4:2:2 Formats in 64 375 .. flat-table:: Packed YUV 4:2:2 Formats in 64-bit container
376 :header-rows: 1 376 :header-rows: 1
377 :stub-columns: 0 377 :stub-columns: 0
378 378
379 * - Identifier 379 * - Identifier
380 - Code 380 - Code
381 - Word 0 381 - Word 0
382 - Word 1 382 - Word 1
383 - Word 2 383 - Word 2
384 - Word 3 384 - Word 3
385 * .. _V4L2-PIX-FMT-Y210: 385 * .. _V4L2-PIX-FMT-Y210:
386 386
387 - ``V4L2_PIX_FMT_Y210`` 387 - ``V4L2_PIX_FMT_Y210``
388 - 'Y210' 388 - 'Y210'
389 389
390 - Y'\ :sub:`0` (bits 15-6) 390 - Y'\ :sub:`0` (bits 15-6)
391 - Cb\ :sub:`0` (bits 15-6) 391 - Cb\ :sub:`0` (bits 15-6)
392 - Y'\ :sub:`1` (bits 15-6) 392 - Y'\ :sub:`1` (bits 15-6)
393 - Cr\ :sub:`0` (bits 15-6) 393 - Cr\ :sub:`0` (bits 15-6)
394 * .. _V4L2-PIX-FMT-Y212: 394 * .. _V4L2-PIX-FMT-Y212:
395 395
396 - ``V4L2_PIX_FMT_Y212`` 396 - ``V4L2_PIX_FMT_Y212``
397 - 'Y212' 397 - 'Y212'
398 398
399 - Y'\ :sub:`0` (bits 15-4) 399 - Y'\ :sub:`0` (bits 15-4)
400 - Cb\ :sub:`0` (bits 15-4) 400 - Cb\ :sub:`0` (bits 15-4)
401 - Y'\ :sub:`1` (bits 15-4) 401 - Y'\ :sub:`1` (bits 15-4)
402 - Cr\ :sub:`0` (bits 15-4) 402 - Cr\ :sub:`0` (bits 15-4)
403 * .. _V4L2-PIX-FMT-Y216: 403 * .. _V4L2-PIX-FMT-Y216:
404 404
405 - ``V4L2_PIX_FMT_Y216`` 405 - ``V4L2_PIX_FMT_Y216``
406 - 'Y216' 406 - 'Y216'
407 407
408 - Y'\ :sub:`0` (bits 15-0) 408 - Y'\ :sub:`0` (bits 15-0)
409 - Cb\ :sub:`0` (bits 15-0) 409 - Cb\ :sub:`0` (bits 15-0)
410 - Y'\ :sub:`1` (bits 15-0) 410 - Y'\ :sub:`1` (bits 15-0)
411 - Cr\ :sub:`0` (bits 15-0) 411 - Cr\ :sub:`0` (bits 15-0)
412 412
413 .. raw:: latex 413 .. raw:: latex
414 414
415 \normalsize 415 \normalsize
416 416
417 **Color Sample Location:** 417 **Color Sample Location:**
418 Chroma samples are :ref:`interstitially sited< 418 Chroma samples are :ref:`interstitially sited<yuv-chroma-centered>`
419 horizontally. 419 horizontally.
420 420
421 421
422 4:1:1 Subsampling 422 4:1:1 Subsampling
423 ================= 423 =================
424 424
425 This format subsamples the chroma components h 425 This format subsamples the chroma components horizontally by 4, storing 8
426 pixels in 12 bytes. 426 pixels in 12 bytes.
427 427
428 .. raw:: latex 428 .. raw:: latex
429 429
430 \scriptsize 430 \scriptsize
431 431
432 .. tabularcolumns:: |p{2.9cm}|p{0.8cm}|p{0.5cm 432 .. tabularcolumns:: |p{2.9cm}|p{0.8cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|
433 433
434 .. flat-table:: Packed YUV 4:1:1 Formats 434 .. flat-table:: Packed YUV 4:1:1 Formats
435 :header-rows: 1 435 :header-rows: 1
436 :stub-columns: 0 436 :stub-columns: 0
437 437
438 * - Identifier 438 * - Identifier
439 - Code 439 - Code
440 - Byte 0 440 - Byte 0
441 - Byte 1 441 - Byte 1
442 - Byte 2 442 - Byte 2
443 - Byte 3 443 - Byte 3
444 - Byte 4 444 - Byte 4
445 - Byte 5 445 - Byte 5
446 - Byte 6 446 - Byte 6
447 - Byte 7 447 - Byte 7
448 - Byte 8 448 - Byte 8
449 - Byte 9 449 - Byte 9
450 - Byte 10 450 - Byte 10
451 - Byte 11 451 - Byte 11
452 * .. _V4L2-PIX-FMT-Y41P: 452 * .. _V4L2-PIX-FMT-Y41P:
453 453
454 - ``V4L2_PIX_FMT_Y41P`` 454 - ``V4L2_PIX_FMT_Y41P``
455 - 'Y41P' 455 - 'Y41P'
456 456
457 - Cb\ :sub:`0` 457 - Cb\ :sub:`0`
458 - Y'\ :sub:`0` 458 - Y'\ :sub:`0`
459 - Cr\ :sub:`0` 459 - Cr\ :sub:`0`
460 - Y'\ :sub:`1` 460 - Y'\ :sub:`1`
461 - Cb\ :sub:`4` 461 - Cb\ :sub:`4`
462 - Y'\ :sub:`2` 462 - Y'\ :sub:`2`
463 - Cr\ :sub:`4` 463 - Cr\ :sub:`4`
464 - Y'\ :sub:`3` 464 - Y'\ :sub:`3`
465 - Y'\ :sub:`4` 465 - Y'\ :sub:`4`
466 - Y'\ :sub:`5` 466 - Y'\ :sub:`5`
467 - Y'\ :sub:`6` 467 - Y'\ :sub:`6`
468 - Y'\ :sub:`7` 468 - Y'\ :sub:`7`
469 469
470 .. raw:: latex 470 .. raw:: latex
471 471
472 \normalsize 472 \normalsize
473 473
474 .. note:: 474 .. note::
475 475
476 Do not confuse ``V4L2_PIX_FMT_Y41P`` with 476 Do not confuse ``V4L2_PIX_FMT_Y41P`` with
477 :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-Y 477 :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>`. Y41P is derived from
478 "YUV 4:1:1 **packed**", while YUV411P stan 478 "YUV 4:1:1 **packed**", while YUV411P stands for "YUV 4:1:1 **planar**".
479 479
480 **Color Sample Location:** 480 **Color Sample Location:**
481 Chroma samples are :ref:`interstitially sited< 481 Chroma samples are :ref:`interstitially sited<yuv-chroma-centered>`
482 horizontally. 482 horizontally.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.