linux-headers (unknown)
1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3 * Video for Linux Two header file
4 *
5 * Copyright (C) 1999-2012 the contributors
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in
27 * the documentation and/or other materials provided with the
28 * distribution.
29 * 3. The names of its contributors may not be used to endorse or promote
30 * products derived from this software without specific prior written
31 * permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 *
45 * Header file for v4l or V4L2 drivers and applications
46 * with public API.
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
49 *
50 * See https://linuxtv.org for more info
51 *
52 * Author: Bill Dirks <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
55 * et al.
56 */
57 #ifndef __LINUX_VIDEODEV2_H
58 #define __LINUX_VIDEODEV2_H
59
60 #include <sys/time.h>
61
62 #include <linux/ioctl.h>
63 #include <linux/types.h>
64 #include <linux/v4l2-common.h>
65 #include <linux/v4l2-controls.h>
66
67 /*
68 * Common stuff for both V4L1 and V4L2
69 * Moved from videodev.h
70 */
71 #define VIDEO_MAX_FRAME 32
72 #define VIDEO_MAX_PLANES 8
73
74 /*
75 * M I S C E L L A N E O U S
76 */
77
78 /* Four-character-code (FOURCC) */
79 #define v4l2_fourcc(a, b, c, d)\
80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
81 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
82
83 /*
84 * E N U M S
85 */
86 enum v4l2_field {
87 V4L2_FIELD_ANY = 0, /* driver can choose from none,
88 top, bottom, interlaced
89 depending on whatever it thinks
90 is approximate ... */
91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
92 V4L2_FIELD_TOP = 2, /* top field only */
93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
96 buffer, top-bottom order */
97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
99 separate buffers */
100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
101 first and the top field is
102 transmitted first */
103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
104 first and the bottom field is
105 transmitted first */
106 };
107 #define V4L2_FIELD_HAS_TOP(field) \
108 ((field) == V4L2_FIELD_TOP ||\
109 (field) == V4L2_FIELD_INTERLACED ||\
110 (field) == V4L2_FIELD_INTERLACED_TB ||\
111 (field) == V4L2_FIELD_INTERLACED_BT ||\
112 (field) == V4L2_FIELD_SEQ_TB ||\
113 (field) == V4L2_FIELD_SEQ_BT)
114 #define V4L2_FIELD_HAS_BOTTOM(field) \
115 ((field) == V4L2_FIELD_BOTTOM ||\
116 (field) == V4L2_FIELD_INTERLACED ||\
117 (field) == V4L2_FIELD_INTERLACED_TB ||\
118 (field) == V4L2_FIELD_INTERLACED_BT ||\
119 (field) == V4L2_FIELD_SEQ_TB ||\
120 (field) == V4L2_FIELD_SEQ_BT)
121 #define V4L2_FIELD_HAS_BOTH(field) \
122 ((field) == V4L2_FIELD_INTERLACED ||\
123 (field) == V4L2_FIELD_INTERLACED_TB ||\
124 (field) == V4L2_FIELD_INTERLACED_BT ||\
125 (field) == V4L2_FIELD_SEQ_TB ||\
126 (field) == V4L2_FIELD_SEQ_BT)
127 #define V4L2_FIELD_HAS_T_OR_B(field) \
128 ((field) == V4L2_FIELD_BOTTOM ||\
129 (field) == V4L2_FIELD_TOP ||\
130 (field) == V4L2_FIELD_ALTERNATE)
131 #define V4L2_FIELD_IS_INTERLACED(field) \
132 ((field) == V4L2_FIELD_INTERLACED ||\
133 (field) == V4L2_FIELD_INTERLACED_TB ||\
134 (field) == V4L2_FIELD_INTERLACED_BT)
135 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
136 ((field) == V4L2_FIELD_SEQ_TB ||\
137 (field) == V4L2_FIELD_SEQ_BT)
138
139 enum v4l2_buf_type {
140 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
141 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
142 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
143 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
144 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
145 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
146 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
147 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
148 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
150 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
151 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
152 V4L2_BUF_TYPE_META_CAPTURE = 13,
153 V4L2_BUF_TYPE_META_OUTPUT = 14,
154 /* Deprecated, do not use */
155 V4L2_BUF_TYPE_PRIVATE = 0x80,
156 };
157
158 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
159 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
161
162 #define V4L2_TYPE_IS_OUTPUT(type) \
163 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
164 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
165 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
167 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
168 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
169 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
171
172 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
173
174 enum v4l2_tuner_type {
175 V4L2_TUNER_RADIO = 1,
176 V4L2_TUNER_ANALOG_TV = 2,
177 V4L2_TUNER_DIGITAL_TV = 3,
178 V4L2_TUNER_SDR = 4,
179 V4L2_TUNER_RF = 5,
180 };
181
182 /* Deprecated, do not use */
183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
184
185 enum v4l2_memory {
186 V4L2_MEMORY_MMAP = 1,
187 V4L2_MEMORY_USERPTR = 2,
188 V4L2_MEMORY_OVERLAY = 3,
189 V4L2_MEMORY_DMABUF = 4,
190 };
191
192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
193 enum v4l2_colorspace {
194 /*
195 * Default colorspace, i.e. let the driver figure it out.
196 * Can only be used with video capture.
197 */
198 V4L2_COLORSPACE_DEFAULT = 0,
199
200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
201 V4L2_COLORSPACE_SMPTE170M = 1,
202
203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
204 V4L2_COLORSPACE_SMPTE240M = 2,
205
206 /* Rec.709: used for HDTV */
207 V4L2_COLORSPACE_REC709 = 3,
208
209 /*
210 * Deprecated, do not use. No driver will ever return this. This was
211 * based on a misunderstanding of the bt878 datasheet.
212 */
213 V4L2_COLORSPACE_BT878 = 4,
214
215 /*
216 * NTSC 1953 colorspace. This only makes sense when dealing with
217 * really, really old NTSC recordings. Superseded by SMPTE 170M.
218 */
219 V4L2_COLORSPACE_470_SYSTEM_M = 5,
220
221 /*
222 * EBU Tech 3213 PAL/SECAM colorspace.
223 */
224 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
225
226 /*
227 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
228 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
229 */
230 V4L2_COLORSPACE_JPEG = 7,
231
232 /* For RGB colorspaces such as produces by most webcams. */
233 V4L2_COLORSPACE_SRGB = 8,
234
235 /* opRGB colorspace */
236 V4L2_COLORSPACE_OPRGB = 9,
237
238 /* BT.2020 colorspace, used for UHDTV. */
239 V4L2_COLORSPACE_BT2020 = 10,
240
241 /* Raw colorspace: for RAW unprocessed images */
242 V4L2_COLORSPACE_RAW = 11,
243
244 /* DCI-P3 colorspace, used by cinema projectors */
245 V4L2_COLORSPACE_DCI_P3 = 12,
246
247 };
248
249 /*
250 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
251 * This depends on whether this is a SDTV image (use SMPTE 170M), an
252 * HDTV image (use Rec. 709), or something else (use sRGB).
253 */
254 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
255 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
256 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
257
258 enum v4l2_xfer_func {
259 /*
260 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
261 * for the various colorspaces:
262 *
263 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
264 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
265 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
266 *
267 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
268 *
269 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
270 *
271 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
272 *
273 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
274 *
275 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
276 */
277 V4L2_XFER_FUNC_DEFAULT = 0,
278 V4L2_XFER_FUNC_709 = 1,
279 V4L2_XFER_FUNC_SRGB = 2,
280 V4L2_XFER_FUNC_OPRGB = 3,
281 V4L2_XFER_FUNC_SMPTE240M = 4,
282 V4L2_XFER_FUNC_NONE = 5,
283 V4L2_XFER_FUNC_DCI_P3 = 6,
284 V4L2_XFER_FUNC_SMPTE2084 = 7,
285 };
286
287 /*
288 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
289 * This depends on the colorspace.
290 */
291 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
292 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
293 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
294 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
295 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
296 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
297 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
298
299 enum v4l2_ycbcr_encoding {
300 /*
301 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
302 * various colorspaces:
303 *
304 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
305 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
306 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
307 *
308 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
309 *
310 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
311 *
312 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
313 */
314 V4L2_YCBCR_ENC_DEFAULT = 0,
315
316 /* ITU-R 601 -- SDTV */
317 V4L2_YCBCR_ENC_601 = 1,
318
319 /* Rec. 709 -- HDTV */
320 V4L2_YCBCR_ENC_709 = 2,
321
322 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
323 V4L2_YCBCR_ENC_XV601 = 3,
324
325 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
326 V4L2_YCBCR_ENC_XV709 = 4,
327
328 /*
329 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
330 * originally due to a misunderstanding of the sYCC standard. It should
331 * not be used, instead use V4L2_YCBCR_ENC_601.
332 */
333 V4L2_YCBCR_ENC_SYCC = 5,
334
335 /* BT.2020 Non-constant Luminance Y'CbCr */
336 V4L2_YCBCR_ENC_BT2020 = 6,
337
338 /* BT.2020 Constant Luminance Y'CbcCrc */
339 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
340
341 /* SMPTE 240M -- Obsolete HDTV */
342 V4L2_YCBCR_ENC_SMPTE240M = 8,
343 };
344
345 /*
346 * enum v4l2_hsv_encoding values should not collide with the ones from
347 * enum v4l2_ycbcr_encoding.
348 */
349 enum v4l2_hsv_encoding {
350
351 /* Hue mapped to 0 - 179 */
352 V4L2_HSV_ENC_180 = 128,
353
354 /* Hue mapped to 0-255 */
355 V4L2_HSV_ENC_256 = 129,
356 };
357
358 /*
359 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
360 * This depends on the colorspace.
361 */
362 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
363 (((colsp) == V4L2_COLORSPACE_REC709 || \
364 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
365 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
366 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
367 V4L2_YCBCR_ENC_601)))
368
369 enum v4l2_quantization {
370 /*
371 * The default for R'G'B' quantization is always full range.
372 * For Y'CbCr the quantization is always limited range, except
373 * for COLORSPACE_JPEG: this is full range.
374 */
375 V4L2_QUANTIZATION_DEFAULT = 0,
376 V4L2_QUANTIZATION_FULL_RANGE = 1,
377 V4L2_QUANTIZATION_LIM_RANGE = 2,
378 };
379
380 /*
381 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
382 * This depends on whether the image is RGB or not, the colorspace.
383 * The Y'CbCr encoding is not used anymore, but is still there for backwards
384 * compatibility.
385 */
386 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
387 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
388 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
389
390 /*
391 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
392 *
393 * WARNING: Please don't use these deprecated defines in your code, as
394 * there is a chance we have to remove them in the future.
395 */
396 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
397 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
398
399 enum v4l2_priority {
400 V4L2_PRIORITY_UNSET = 0, /* not initialized */
401 V4L2_PRIORITY_BACKGROUND = 1,
402 V4L2_PRIORITY_INTERACTIVE = 2,
403 V4L2_PRIORITY_RECORD = 3,
404 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
405 };
406
407 struct v4l2_rect {
408 __s32 left;
409 __s32 top;
410 __u32 width;
411 __u32 height;
412 };
413
414 struct v4l2_fract {
415 __u32 numerator;
416 __u32 denominator;
417 };
418
419 struct v4l2_area {
420 __u32 width;
421 __u32 height;
422 };
423
424 /**
425 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
426 *
427 * @driver: name of the driver module (e.g. "bttv")
428 * @card: name of the card (e.g. "Hauppauge WinTV")
429 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
430 * @version: KERNEL_VERSION
431 * @capabilities: capabilities of the physical device as a whole
432 * @device_caps: capabilities accessed via this particular device (node)
433 * @reserved: reserved fields for future extensions
434 */
435 struct v4l2_capability {
436 __u8 driver[16];
437 __u8 card[32];
438 __u8 bus_info[32];
439 __u32 version;
440 __u32 capabilities;
441 __u32 device_caps;
442 __u32 reserved[3];
443 };
444
445 /* Values for 'capabilities' field */
446 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
447 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
448 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
449 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
450 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
451 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
452 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
453 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
454 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
455 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
456 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
457
458 /* Is a video capture device that supports multiplanar formats */
459 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
460 /* Is a video output device that supports multiplanar formats */
461 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
462 /* Is a video mem-to-mem device that supports multiplanar formats */
463 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
464 /* Is a video mem-to-mem device */
465 #define V4L2_CAP_VIDEO_M2M 0x00008000
466
467 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
468 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
469 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
470 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
471
472 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
473 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
474 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
475 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
476
477 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
478 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
479 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
480
481 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
482
483 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
484
485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
486
487 /*
488 * V I D E O I M A G E F O R M A T
489 */
490 struct v4l2_pix_format {
491 __u32 width;
492 __u32 height;
493 __u32 pixelformat;
494 __u32 field; /* enum v4l2_field */
495 __u32 bytesperline; /* for padding, zero if unused */
496 __u32 sizeimage;
497 __u32 colorspace; /* enum v4l2_colorspace */
498 __u32 priv; /* private data, depends on pixelformat */
499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
500 union {
501 /* enum v4l2_ycbcr_encoding */
502 __u32 ycbcr_enc;
503 /* enum v4l2_hsv_encoding */
504 __u32 hsv_enc;
505 };
506 __u32 quantization; /* enum v4l2_quantization */
507 __u32 xfer_func; /* enum v4l2_xfer_func */
508 };
509
510 /* Pixel format FOURCC depth Description */
511
512 /* RGB formats (1 or 2 bytes per pixel) */
513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
517 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
518 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
519 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
520 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
521 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
522 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
523 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
524 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
525 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
526 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
527 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
528 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
529 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
530 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
531 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
532 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
533 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
534 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
535 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
536 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
537
538 /* RGB formats (3 or 4 bytes per pixel) */
539 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
540 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
541 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
542 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
543 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
544 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
545 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
546 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
547 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
548 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
549 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
550 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
551 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
552 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
553 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
554 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
555
556 /* RGB formats (6 or 8 bytes per pixel) */
557 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
558 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
559
560 /* Grey formats */
561 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
562 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
563 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
564 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
565 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
566 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
567 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
568 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
569 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
570
571 /* Grey bit-packed formats */
572 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
573 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
574 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
575
576 /* Palette formats */
577 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
578
579 /* Chrominance formats */
580 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
581
582 /* Luminance+Chrominance formats */
583 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
584 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
585 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
586 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
587 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
588 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
589 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
590 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
591 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
592 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
593 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
594 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
595 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
596 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
597 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
598 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
599 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
600 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
601 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
602
603 /*
604 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
605 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
606 */
607 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
608 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
609 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
610
611 /* two planes -- one Y, one Cr + Cb interleaved */
612 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
613 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
614 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
615 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
616 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
617 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
618 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
619 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
620
621 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
622 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
623 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
624 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
625 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
626 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
627
628 /* three planes - Y Cb, Cr */
629 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
630 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
631 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
632 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
633 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
634 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
635
636 /* three non contiguous planes - Y, Cb, Cr */
637 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
638 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
639 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
640 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
641 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
642 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
643
644 /* Tiled YUV formats */
645 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
646 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
647 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
648 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
649 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
650 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
651
652 /* Tiled YUV formats, non contiguous planes */
653 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
654 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
655 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
656 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
657
658 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
659 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
660 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
661 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
662 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
663 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
664 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
665 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
666 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
667 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
668 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
669 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
670 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
671 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
672 /* 10bit raw bayer a-law compressed to 8 bits */
673 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
674 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
675 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
676 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
677 /* 10bit raw bayer DPCM compressed to 8 bits */
678 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
679 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
680 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
681 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
682 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
683 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
684 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
685 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
686 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
687 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
688 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
689 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
690 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
691 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
692 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
693 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
694 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
695 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
696 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
697 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
698 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
699 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
700 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
701 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
702 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
703 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
704
705 /* HSV formats */
706 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
707 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
708
709 /* compressed formats */
710 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
711 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
712 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
713 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
714 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
715 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
716 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
717 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
718 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
719 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
720 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
721 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
722 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
723 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
724 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
725 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
726 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
727 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
728 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
729 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
730 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
731 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
732 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
733 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
734 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
735 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
736 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
737
738 /* Vendor-specific formats */
739 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
740 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
741 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
742 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
743 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
744 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
745 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
746 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
747 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
748 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
749 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
750 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
751 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
752 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
753 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
754 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
755 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
756 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
757 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
758 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
759 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
760 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
761 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
762 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
763 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
764 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
765 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
766 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
767 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
768 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
769 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
770 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
771 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
772 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
773 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
774 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
775 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
776
777 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
778 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
779 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
780 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
781 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
782
783 /* SDR formats - used only for Software Defined Radio devices */
784 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
785 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
786 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
787 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
788 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
789 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
790 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
791 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
792
793 /* Touch formats - used for Touch devices */
794 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
795 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
796 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
797 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
798
799 /* Meta-data formats */
800 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
801 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
802 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
803 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
804 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
805
806 /* Vendor specific - used for RK_ISP1 camera sub-system */
807 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
808 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
809
810 /* priv field value to indicates that subsequent fields are valid. */
811 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
812
813 /* Flags */
814 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
815 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
816
817 /*
818 * F O R M A T E N U M E R A T I O N
819 */
820 struct v4l2_fmtdesc {
821 __u32 index; /* Format number */
822 __u32 type; /* enum v4l2_buf_type */
823 __u32 flags;
824 __u8 description[32]; /* Description string */
825 __u32 pixelformat; /* Format fourcc */
826 __u32 mbus_code; /* Media bus code */
827 __u32 reserved[3];
828 };
829
830 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
831 #define V4L2_FMT_FLAG_EMULATED 0x0002
832 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
833 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
834 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
835 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
836 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
837 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
838 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
839 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
840
841 /* Frame Size and frame rate enumeration */
842 /*
843 * F R A M E S I Z E E N U M E R A T I O N
844 */
845 enum v4l2_frmsizetypes {
846 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
847 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
848 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
849 };
850
851 struct v4l2_frmsize_discrete {
852 __u32 width; /* Frame width [pixel] */
853 __u32 height; /* Frame height [pixel] */
854 };
855
856 struct v4l2_frmsize_stepwise {
857 __u32 min_width; /* Minimum frame width [pixel] */
858 __u32 max_width; /* Maximum frame width [pixel] */
859 __u32 step_width; /* Frame width step size [pixel] */
860 __u32 min_height; /* Minimum frame height [pixel] */
861 __u32 max_height; /* Maximum frame height [pixel] */
862 __u32 step_height; /* Frame height step size [pixel] */
863 };
864
865 struct v4l2_frmsizeenum {
866 __u32 index; /* Frame size number */
867 __u32 pixel_format; /* Pixel format */
868 __u32 type; /* Frame size type the device supports. */
869
870 union { /* Frame size */
871 struct v4l2_frmsize_discrete discrete;
872 struct v4l2_frmsize_stepwise stepwise;
873 };
874
875 __u32 reserved[2]; /* Reserved space for future use */
876 };
877
878 /*
879 * F R A M E R A T E E N U M E R A T I O N
880 */
881 enum v4l2_frmivaltypes {
882 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
883 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
884 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
885 };
886
887 struct v4l2_frmival_stepwise {
888 struct v4l2_fract min; /* Minimum frame interval [s] */
889 struct v4l2_fract max; /* Maximum frame interval [s] */
890 struct v4l2_fract step; /* Frame interval step size [s] */
891 };
892
893 struct v4l2_frmivalenum {
894 __u32 index; /* Frame format index */
895 __u32 pixel_format; /* Pixel format */
896 __u32 width; /* Frame width */
897 __u32 height; /* Frame height */
898 __u32 type; /* Frame interval type the device supports. */
899
900 union { /* Frame interval */
901 struct v4l2_fract discrete;
902 struct v4l2_frmival_stepwise stepwise;
903 };
904
905 __u32 reserved[2]; /* Reserved space for future use */
906 };
907
908 /*
909 * T I M E C O D E
910 */
911 struct v4l2_timecode {
912 __u32 type;
913 __u32 flags;
914 __u8 frames;
915 __u8 seconds;
916 __u8 minutes;
917 __u8 hours;
918 __u8 userbits[4];
919 };
920
921 /* Type */
922 #define V4L2_TC_TYPE_24FPS 1
923 #define V4L2_TC_TYPE_25FPS 2
924 #define V4L2_TC_TYPE_30FPS 3
925 #define V4L2_TC_TYPE_50FPS 4
926 #define V4L2_TC_TYPE_60FPS 5
927
928 /* Flags */
929 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
930 #define V4L2_TC_FLAG_COLORFRAME 0x0002
931 #define V4L2_TC_USERBITS_field 0x000C
932 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
933 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
934 /* The above is based on SMPTE timecodes */
935
936 struct v4l2_jpegcompression {
937 int quality;
938
939 int APPn; /* Number of APP segment to be written,
940 * must be 0..15 */
941 int APP_len; /* Length of data in JPEG APPn segment */
942 char APP_data[60]; /* Data in the JPEG APPn segment. */
943
944 int COM_len; /* Length of data in JPEG COM segment */
945 char COM_data[60]; /* Data in JPEG COM segment */
946
947 __u32 jpeg_markers; /* Which markers should go into the JPEG
948 * output. Unless you exactly know what
949 * you do, leave them untouched.
950 * Including less markers will make the
951 * resulting code smaller, but there will
952 * be fewer applications which can read it.
953 * The presence of the APP and COM marker
954 * is influenced by APP_len and COM_len
955 * ONLY, not by this property! */
956
957 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
958 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
959 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
960 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
961 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
962 * always use APP0 */
963 };
964
965 /*
966 * M E M O R Y - M A P P I N G B U F F E R S
967 */
968
969
970 struct v4l2_requestbuffers {
971 __u32 count;
972 __u32 type; /* enum v4l2_buf_type */
973 __u32 memory; /* enum v4l2_memory */
974 __u32 capabilities;
975 __u8 flags;
976 __u8 reserved[3];
977 };
978
979 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
980
981 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
982 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
983 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
984 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
985 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
986 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
987 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
988 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
989
990 /**
991 * struct v4l2_plane - plane info for multi-planar buffers
992 * @bytesused: number of bytes occupied by data in the plane (payload)
993 * @length: size of this plane (NOT the payload) in bytes
994 * @mem_offset: when memory in the associated struct v4l2_buffer is
995 * V4L2_MEMORY_MMAP, equals the offset from the start of
996 * the device memory for this plane (or is a "cookie" that
997 * should be passed to mmap() called on the video node)
998 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
999 * pointing to this plane
1000 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1001 * descriptor associated with this plane
1002 * @m: union of @mem_offset, @userptr and @fd
1003 * @data_offset: offset in the plane to the start of data; usually 0,
1004 * unless there is a header in front of the data
1005 * @reserved: drivers and applications must zero this array
1006 *
1007 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1008 * with two planes can have one plane for Y, and another for interleaved CbCr
1009 * components. Each plane can reside in a separate memory buffer, or even in
1010 * a completely separate memory node (e.g. in embedded devices).
1011 */
1012 struct v4l2_plane {
1013 __u32 bytesused;
1014 __u32 length;
1015 union {
1016 __u32 mem_offset;
1017 unsigned long userptr;
1018 __s32 fd;
1019 } m;
1020 __u32 data_offset;
1021 __u32 reserved[11];
1022 };
1023
1024 /**
1025 * struct v4l2_buffer - video buffer info
1026 * @index: id number of the buffer
1027 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1028 * multiplanar buffers);
1029 * @bytesused: number of bytes occupied by data in the buffer (payload);
1030 * unused (set to 0) for multiplanar buffers
1031 * @flags: buffer informational flags
1032 * @field: enum v4l2_field; field order of the image in the buffer
1033 * @timestamp: frame timestamp
1034 * @timecode: frame timecode
1035 * @sequence: sequence count of this frame
1036 * @memory: enum v4l2_memory; the method, in which the actual video data is
1037 * passed
1038 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1039 * offset from the start of the device memory for this plane,
1040 * (or a "cookie" that should be passed to mmap() as offset)
1041 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1042 * a userspace pointer pointing to this buffer
1043 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1044 * a userspace file descriptor associated with this buffer
1045 * @planes: for multiplanar buffers; userspace pointer to the array of plane
1046 * info structs for this buffer
1047 * @m: union of @offset, @userptr, @planes and @fd
1048 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1049 * buffers (when type != *_MPLANE); number of elements in the
1050 * planes array for multi-plane buffers
1051 * @reserved2: drivers and applications must zero this field
1052 * @request_fd: fd of the request that this buffer should use
1053 * @reserved: for backwards compatibility with applications that do not know
1054 * about @request_fd
1055 *
1056 * Contains data exchanged by application and driver using one of the Streaming
1057 * I/O methods.
1058 */
1059 struct v4l2_buffer {
1060 __u32 index;
1061 __u32 type;
1062 __u32 bytesused;
1063 __u32 flags;
1064 __u32 field;
1065 struct timeval timestamp;
1066 struct v4l2_timecode timecode;
1067 __u32 sequence;
1068
1069 /* memory location */
1070 __u32 memory;
1071 union {
1072 __u32 offset;
1073 unsigned long userptr;
1074 struct v4l2_plane *planes;
1075 __s32 fd;
1076 } m;
1077 __u32 length;
1078 __u32 reserved2;
1079 union {
1080 __s32 request_fd;
1081 __u32 reserved;
1082 };
1083 };
1084
1085 /**
1086 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1087 * @tv: pointer to the timeval variable to be converted
1088 *
1089 * Returns the scalar nanosecond representation of the timeval
1090 * parameter.
1091 */
1092 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1093 {
1094 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1095 }
1096
1097 /* Flags for 'flags' field */
1098 /* Buffer is mapped (flag) */
1099 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1100 /* Buffer is queued for processing */
1101 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1102 /* Buffer is ready */
1103 #define V4L2_BUF_FLAG_DONE 0x00000004
1104 /* Image is a keyframe (I-frame) */
1105 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1106 /* Image is a P-frame */
1107 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1108 /* Image is a B-frame */
1109 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1110 /* Buffer is ready, but the data contained within is corrupted. */
1111 #define V4L2_BUF_FLAG_ERROR 0x00000040
1112 /* Buffer is added to an unqueued request */
1113 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1114 /* timecode field is valid */
1115 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1116 /* Don't return the capture buffer until OUTPUT timestamp changes */
1117 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1118 /* Buffer is prepared for queuing */
1119 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1120 /* Cache handling flags */
1121 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1122 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1123 /* Timestamp type */
1124 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1125 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1126 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1127 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1128 /* Timestamp sources. */
1129 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1130 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1131 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1132 /* mem2mem encoder/decoder */
1133 #define V4L2_BUF_FLAG_LAST 0x00100000
1134 /* request_fd is valid */
1135 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1136
1137 /**
1138 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1139 *
1140 * @index: id number of the buffer
1141 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1142 * multiplanar buffers);
1143 * @plane: index of the plane to be exported, 0 for single plane queues
1144 * @flags: flags for newly created file, currently only O_CLOEXEC is
1145 * supported, refer to manual of open syscall for more details
1146 * @fd: file descriptor associated with DMABUF (set by driver)
1147 * @reserved: drivers and applications must zero this array
1148 *
1149 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1150 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1151 * (identical to the cookie used to mmap() the buffer to userspace). All
1152 * reserved fields must be set to zero. The field reserved0 is expected to
1153 * become a structure 'type' allowing an alternative layout of the structure
1154 * content. Therefore this field should not be used for any other extensions.
1155 */
1156 struct v4l2_exportbuffer {
1157 __u32 type; /* enum v4l2_buf_type */
1158 __u32 index;
1159 __u32 plane;
1160 __u32 flags;
1161 __s32 fd;
1162 __u32 reserved[11];
1163 };
1164
1165 /*
1166 * O V E R L A Y P R E V I E W
1167 */
1168 struct v4l2_framebuffer {
1169 __u32 capability;
1170 __u32 flags;
1171 /* FIXME: in theory we should pass something like PCI device + memory
1172 * region + offset instead of some physical address */
1173 void *base;
1174 struct {
1175 __u32 width;
1176 __u32 height;
1177 __u32 pixelformat;
1178 __u32 field; /* enum v4l2_field */
1179 __u32 bytesperline; /* for padding, zero if unused */
1180 __u32 sizeimage;
1181 __u32 colorspace; /* enum v4l2_colorspace */
1182 __u32 priv; /* reserved field, set to 0 */
1183 } fmt;
1184 };
1185 /* Flags for the 'capability' field. Read only */
1186 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1187 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1188 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1189 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1190 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1191 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1192 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1193 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1194 /* Flags for the 'flags' field. */
1195 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1196 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1197 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1198 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1199 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1200 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1201 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1202
1203 struct v4l2_clip {
1204 struct v4l2_rect c;
1205 struct v4l2_clip *next;
1206 };
1207
1208 struct v4l2_window {
1209 struct v4l2_rect w;
1210 __u32 field; /* enum v4l2_field */
1211 __u32 chromakey;
1212 struct v4l2_clip *clips;
1213 __u32 clipcount;
1214 void *bitmap;
1215 __u8 global_alpha;
1216 };
1217
1218 /*
1219 * C A P T U R E P A R A M E T E R S
1220 */
1221 struct v4l2_captureparm {
1222 __u32 capability; /* Supported modes */
1223 __u32 capturemode; /* Current mode */
1224 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1225 __u32 extendedmode; /* Driver-specific extensions */
1226 __u32 readbuffers; /* # of buffers for read */
1227 __u32 reserved[4];
1228 };
1229
1230 /* Flags for 'capability' and 'capturemode' fields */
1231 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1232 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1233
1234 struct v4l2_outputparm {
1235 __u32 capability; /* Supported modes */
1236 __u32 outputmode; /* Current mode */
1237 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1238 __u32 extendedmode; /* Driver-specific extensions */
1239 __u32 writebuffers; /* # of buffers for write */
1240 __u32 reserved[4];
1241 };
1242
1243 /*
1244 * I N P U T I M A G E C R O P P I N G
1245 */
1246 struct v4l2_cropcap {
1247 __u32 type; /* enum v4l2_buf_type */
1248 struct v4l2_rect bounds;
1249 struct v4l2_rect defrect;
1250 struct v4l2_fract pixelaspect;
1251 };
1252
1253 struct v4l2_crop {
1254 __u32 type; /* enum v4l2_buf_type */
1255 struct v4l2_rect c;
1256 };
1257
1258 /**
1259 * struct v4l2_selection - selection info
1260 * @type: buffer type (do not use *_MPLANE types)
1261 * @target: Selection target, used to choose one of possible rectangles;
1262 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1263 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1264 * @r: coordinates of selection window
1265 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1266 *
1267 * Hardware may use multiple helper windows to process a video stream.
1268 * The structure is used to exchange this selection areas between
1269 * an application and a driver.
1270 */
1271 struct v4l2_selection {
1272 __u32 type;
1273 __u32 target;
1274 __u32 flags;
1275 struct v4l2_rect r;
1276 __u32 reserved[9];
1277 };
1278
1279
1280 /*
1281 * A N A L O G V I D E O S T A N D A R D
1282 */
1283
1284 typedef __u64 v4l2_std_id;
1285
1286 /*
1287 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1288 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1289 */
1290 /* one bit for each */
1291 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1292 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1293 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1294 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1295 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1296 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1297 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1298 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1299
1300 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1301 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1302 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1303 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1304
1305 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1306 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1307 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1308 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1309
1310 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1311 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1312 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1313 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1314 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1315 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1316 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1317 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1318
1319 /* ATSC/HDTV */
1320 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1321 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1322
1323 /* FIXME:
1324 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1325 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1326 this value to 32 bits.
1327 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1328 it should work fine. However, if needed to add more than two standards,
1329 v4l2-common.c should be fixed.
1330 */
1331
1332 /*
1333 * Some macros to merge video standards in order to make live easier for the
1334 * drivers and V4L2 applications
1335 */
1336
1337 /*
1338 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1339 * Missing here.
1340 */
1341 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1342 V4L2_STD_NTSC_M_JP |\
1343 V4L2_STD_NTSC_M_KR)
1344 /* Secam macros */
1345 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1346 V4L2_STD_SECAM_K |\
1347 V4L2_STD_SECAM_K1)
1348 /* All Secam Standards */
1349 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1350 V4L2_STD_SECAM_G |\
1351 V4L2_STD_SECAM_H |\
1352 V4L2_STD_SECAM_DK |\
1353 V4L2_STD_SECAM_L |\
1354 V4L2_STD_SECAM_LC)
1355 /* PAL macros */
1356 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1357 V4L2_STD_PAL_B1 |\
1358 V4L2_STD_PAL_G)
1359 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1360 V4L2_STD_PAL_D1 |\
1361 V4L2_STD_PAL_K)
1362 /*
1363 * "Common" PAL - This macro is there to be compatible with the old
1364 * V4L1 concept of "PAL": /BGDKHI.
1365 * Several PAL standards are missing here: /M, /N and /Nc
1366 */
1367 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1368 V4L2_STD_PAL_DK |\
1369 V4L2_STD_PAL_H |\
1370 V4L2_STD_PAL_I)
1371 /* Chroma "agnostic" standards */
1372 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1373 V4L2_STD_PAL_B1 |\
1374 V4L2_STD_SECAM_B)
1375 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1376 V4L2_STD_SECAM_G)
1377 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1378 V4L2_STD_SECAM_H)
1379 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1380 V4L2_STD_SECAM_LC)
1381 #define V4L2_STD_GH (V4L2_STD_G |\
1382 V4L2_STD_H)
1383 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1384 V4L2_STD_SECAM_DK)
1385 #define V4L2_STD_BG (V4L2_STD_B |\
1386 V4L2_STD_G)
1387 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1388 V4L2_STD_PAL_N |\
1389 V4L2_STD_PAL_Nc |\
1390 V4L2_STD_NTSC)
1391
1392 /* Standards where MTS/BTSC stereo could be found */
1393 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1394 V4L2_STD_PAL_M |\
1395 V4L2_STD_PAL_N |\
1396 V4L2_STD_PAL_Nc)
1397
1398 /* Standards for Countries with 60Hz Line frequency */
1399 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1400 V4L2_STD_PAL_60 |\
1401 V4L2_STD_NTSC |\
1402 V4L2_STD_NTSC_443)
1403 /* Standards for Countries with 50Hz Line frequency */
1404 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1405 V4L2_STD_PAL_N |\
1406 V4L2_STD_PAL_Nc |\
1407 V4L2_STD_SECAM)
1408
1409 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1410 V4L2_STD_ATSC_16_VSB)
1411 /* Macros with none and all analog standards */
1412 #define V4L2_STD_UNKNOWN 0
1413 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1414 V4L2_STD_625_50)
1415
1416 struct v4l2_standard {
1417 __u32 index;
1418 v4l2_std_id id;
1419 __u8 name[24];
1420 struct v4l2_fract frameperiod; /* Frames, not fields */
1421 __u32 framelines;
1422 __u32 reserved[4];
1423 };
1424
1425 /*
1426 * D V B T T I M I N G S
1427 */
1428
1429 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1430 * @width: total width of the active video in pixels
1431 * @height: total height of the active video in lines
1432 * @interlaced: Interlaced or progressive
1433 * @polarities: Positive or negative polarities
1434 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1435 * @hfrontporch:Horizontal front porch in pixels
1436 * @hsync: Horizontal Sync length in pixels
1437 * @hbackporch: Horizontal back porch in pixels
1438 * @vfrontporch:Vertical front porch in lines
1439 * @vsync: Vertical Sync length in lines
1440 * @vbackporch: Vertical back porch in lines
1441 * @il_vfrontporch:Vertical front porch for the even field
1442 * (aka field 2) of interlaced field formats
1443 * @il_vsync: Vertical Sync length for the even field
1444 * (aka field 2) of interlaced field formats
1445 * @il_vbackporch:Vertical back porch for the even field
1446 * (aka field 2) of interlaced field formats
1447 * @standards: Standards the timing belongs to
1448 * @flags: Flags
1449 * @picture_aspect: The picture aspect ratio (hor/vert).
1450 * @cea861_vic: VIC code as per the CEA-861 standard.
1451 * @hdmi_vic: VIC code as per the HDMI standard.
1452 * @reserved: Reserved fields, must be zeroed.
1453 *
1454 * A note regarding vertical interlaced timings: height refers to the total
1455 * height of the active video frame (= two fields). The blanking timings refer
1456 * to the blanking of each field. So the height of the total frame is
1457 * calculated as follows:
1458 *
1459 * tot_height = height + vfrontporch + vsync + vbackporch +
1460 * il_vfrontporch + il_vsync + il_vbackporch
1461 *
1462 * The active height of each field is height / 2.
1463 */
1464 struct v4l2_bt_timings {
1465 __u32 width;
1466 __u32 height;
1467 __u32 interlaced;
1468 __u32 polarities;
1469 __u64 pixelclock;
1470 __u32 hfrontporch;
1471 __u32 hsync;
1472 __u32 hbackporch;
1473 __u32 vfrontporch;
1474 __u32 vsync;
1475 __u32 vbackporch;
1476 __u32 il_vfrontporch;
1477 __u32 il_vsync;
1478 __u32 il_vbackporch;
1479 __u32 standards;
1480 __u32 flags;
1481 struct v4l2_fract picture_aspect;
1482 __u8 cea861_vic;
1483 __u8 hdmi_vic;
1484 __u8 reserved[46];
1485 } __attribute__ ((packed));
1486
1487 /* Interlaced or progressive format */
1488 #define V4L2_DV_PROGRESSIVE 0
1489 #define V4L2_DV_INTERLACED 1
1490
1491 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1492 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1493 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1494
1495 /* Timings standards */
1496 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1497 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1498 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1499 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1500 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1501
1502 /* Flags */
1503
1504 /*
1505 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1506 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1507 * intervals are reduced, allowing a higher resolution over the same
1508 * bandwidth. This is a read-only flag.
1509 */
1510 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1511 /*
1512 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1513 * of six. These formats can be optionally played at 1 / 1.001 speed.
1514 * This is a read-only flag.
1515 */
1516 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1517 /*
1518 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1519 * by receivers.
1520 * If the framerate of the format is a multiple of six, then the pixelclock
1521 * used to set up the transmitter is divided by 1.001 to make it compatible
1522 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1523 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1524 * such frequencies, then the flag will also be cleared.
1525 */
1526 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1527 /*
1528 * Specific to interlaced formats: if set, then field 1 is really one half-line
1529 * longer and field 2 is really one half-line shorter, so each field has
1530 * exactly the same number of half-lines. Whether half-lines can be detected
1531 * or used depends on the hardware.
1532 */
1533 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1534 /*
1535 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1536 * differ from other formats (commonly called IT formats) in that if RGB
1537 * encoding is used then by default the RGB values use limited range (i.e.
1538 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1539 * except for the 640x480 format are CE formats.
1540 */
1541 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1542 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1543 * total height. For these formats, if this flag is set, the first
1544 * field has the extra line. If not, it is the second field.
1545 */
1546 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1547 /*
1548 * If set, then the picture_aspect field is valid. Otherwise assume that the
1549 * pixels are square, so the picture aspect ratio is the same as the width to
1550 * height ratio.
1551 */
1552 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1553 /*
1554 * If set, then the cea861_vic field is valid and contains the Video
1555 * Identification Code as per the CEA-861 standard.
1556 */
1557 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1558 /*
1559 * If set, then the hdmi_vic field is valid and contains the Video
1560 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1561 * InfoFrame).
1562 */
1563 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1564 /*
1565 * CEA-861 specific: only valid for video receivers.
1566 * If set, then HW can detect the difference between regular FPS and
1567 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1568 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1569 */
1570 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1571
1572 /* A few useful defines to calculate the total blanking and frame sizes */
1573 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1574 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1575 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1576 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1577 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1578 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1579 ((bt)->interlaced ? \
1580 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1581 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1582 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1583
1584 /** struct v4l2_dv_timings - DV timings
1585 * @type: the type of the timings
1586 * @bt: BT656/1120 timings
1587 */
1588 struct v4l2_dv_timings {
1589 __u32 type;
1590 union {
1591 struct v4l2_bt_timings bt;
1592 __u32 reserved[32];
1593 };
1594 } __attribute__ ((packed));
1595
1596 /* Values for the type field */
1597 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1598
1599
1600 /** struct v4l2_enum_dv_timings - DV timings enumeration
1601 * @index: enumeration index
1602 * @pad: the pad number for which to enumerate timings (used with
1603 * v4l-subdev nodes only)
1604 * @reserved: must be zeroed
1605 * @timings: the timings for the given index
1606 */
1607 struct v4l2_enum_dv_timings {
1608 __u32 index;
1609 __u32 pad;
1610 __u32 reserved[2];
1611 struct v4l2_dv_timings timings;
1612 };
1613
1614 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1615 * @min_width: width in pixels
1616 * @max_width: width in pixels
1617 * @min_height: height in lines
1618 * @max_height: height in lines
1619 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1620 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1621 * @standards: Supported standards
1622 * @capabilities: Supported capabilities
1623 * @reserved: Must be zeroed
1624 */
1625 struct v4l2_bt_timings_cap {
1626 __u32 min_width;
1627 __u32 max_width;
1628 __u32 min_height;
1629 __u32 max_height;
1630 __u64 min_pixelclock;
1631 __u64 max_pixelclock;
1632 __u32 standards;
1633 __u32 capabilities;
1634 __u32 reserved[16];
1635 } __attribute__ ((packed));
1636
1637 /* Supports interlaced formats */
1638 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1639 /* Supports progressive formats */
1640 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1641 /* Supports CVT/GTF reduced blanking */
1642 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1643 /* Supports custom formats */
1644 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1645
1646 /** struct v4l2_dv_timings_cap - DV timings capabilities
1647 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1648 * @pad: the pad number for which to query capabilities (used with
1649 * v4l-subdev nodes only)
1650 * @bt: the BT656/1120 timings capabilities
1651 */
1652 struct v4l2_dv_timings_cap {
1653 __u32 type;
1654 __u32 pad;
1655 __u32 reserved[2];
1656 union {
1657 struct v4l2_bt_timings_cap bt;
1658 __u32 raw_data[32];
1659 };
1660 };
1661
1662
1663 /*
1664 * V I D E O I N P U T S
1665 */
1666 struct v4l2_input {
1667 __u32 index; /* Which input */
1668 __u8 name[32]; /* Label */
1669 __u32 type; /* Type of input */
1670 __u32 audioset; /* Associated audios (bitfield) */
1671 __u32 tuner; /* enum v4l2_tuner_type */
1672 v4l2_std_id std;
1673 __u32 status;
1674 __u32 capabilities;
1675 __u32 reserved[3];
1676 };
1677
1678 /* Values for the 'type' field */
1679 #define V4L2_INPUT_TYPE_TUNER 1
1680 #define V4L2_INPUT_TYPE_CAMERA 2
1681 #define V4L2_INPUT_TYPE_TOUCH 3
1682
1683 /* field 'status' - general */
1684 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1685 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1686 #define V4L2_IN_ST_NO_COLOR 0x00000004
1687
1688 /* field 'status' - sensor orientation */
1689 /* If sensor is mounted upside down set both bits */
1690 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1691 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1692
1693 /* field 'status' - analog */
1694 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1695 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1696 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1697 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1698
1699 /* field 'status' - digital */
1700 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1701 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1702 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1703
1704 /* field 'status' - VCR and set-top box */
1705 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1706 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1707 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1708
1709 /* capabilities flags */
1710 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1711 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1712 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1713 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1714
1715 /*
1716 * V I D E O O U T P U T S
1717 */
1718 struct v4l2_output {
1719 __u32 index; /* Which output */
1720 __u8 name[32]; /* Label */
1721 __u32 type; /* Type of output */
1722 __u32 audioset; /* Associated audios (bitfield) */
1723 __u32 modulator; /* Associated modulator */
1724 v4l2_std_id std;
1725 __u32 capabilities;
1726 __u32 reserved[3];
1727 };
1728 /* Values for the 'type' field */
1729 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1730 #define V4L2_OUTPUT_TYPE_ANALOG 2
1731 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1732
1733 /* capabilities flags */
1734 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1735 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1736 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1737 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1738
1739 /*
1740 * C O N T R O L S
1741 */
1742 struct v4l2_control {
1743 __u32 id;
1744 __s32 value;
1745 };
1746
1747 struct v4l2_ext_control {
1748 __u32 id;
1749 __u32 size;
1750 __u32 reserved2[1];
1751 union {
1752 __s32 value;
1753 __s64 value64;
1754 char *string;
1755 __u8 *p_u8;
1756 __u16 *p_u16;
1757 __u32 *p_u32;
1758 __u32 *p_s32;
1759 __u32 *p_s64;
1760 struct v4l2_area *p_area;
1761 struct v4l2_ctrl_h264_sps *p_h264_sps;
1762 struct v4l2_ctrl_h264_pps *p_h264_pps;
1763 struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
1764 struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
1765 struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
1766 struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
1767 struct v4l2_ctrl_fwht_params *p_fwht_params;
1768 struct v4l2_ctrl_vp8_frame *p_vp8_frame;
1769 struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence;
1770 struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
1771 struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation;
1772 struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs;
1773 struct v4l2_ctrl_vp9_frame *p_vp9_frame;
1774 struct v4l2_ctrl_hevc_sps *p_hevc_sps;
1775 struct v4l2_ctrl_hevc_pps *p_hevc_pps;
1776 struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
1777 struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix;
1778 struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
1779 void *ptr;
1780 };
1781 } __attribute__ ((packed));
1782
1783 struct v4l2_ext_controls {
1784 union {
1785 __u32 ctrl_class;
1786 __u32 which;
1787 };
1788 __u32 count;
1789 __u32 error_idx;
1790 __s32 request_fd;
1791 __u32 reserved[1];
1792 struct v4l2_ext_control *controls;
1793 };
1794
1795 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1796 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1797 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1798 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1799 #define V4L2_CTRL_MAX_DIMS (4)
1800 #define V4L2_CTRL_WHICH_CUR_VAL 0
1801 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1802 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1803
1804 enum v4l2_ctrl_type {
1805 V4L2_CTRL_TYPE_INTEGER = 1,
1806 V4L2_CTRL_TYPE_BOOLEAN = 2,
1807 V4L2_CTRL_TYPE_MENU = 3,
1808 V4L2_CTRL_TYPE_BUTTON = 4,
1809 V4L2_CTRL_TYPE_INTEGER64 = 5,
1810 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1811 V4L2_CTRL_TYPE_STRING = 7,
1812 V4L2_CTRL_TYPE_BITMASK = 8,
1813 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1814
1815 /* Compound types are >= 0x0100 */
1816 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1817 V4L2_CTRL_TYPE_U8 = 0x0100,
1818 V4L2_CTRL_TYPE_U16 = 0x0101,
1819 V4L2_CTRL_TYPE_U32 = 0x0102,
1820 V4L2_CTRL_TYPE_AREA = 0x0106,
1821
1822 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1823 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1824
1825 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1826 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1827 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1828 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1829 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1830 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1831
1832 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1833
1834 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1835
1836 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1837 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1838 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1839
1840 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1841 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1842
1843 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1844 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1845 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1846 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1847 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1848 };
1849
1850 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1851 struct v4l2_queryctrl {
1852 __u32 id;
1853 __u32 type; /* enum v4l2_ctrl_type */
1854 __u8 name[32]; /* Whatever */
1855 __s32 minimum; /* Note signedness */
1856 __s32 maximum;
1857 __s32 step;
1858 __s32 default_value;
1859 __u32 flags;
1860 __u32 reserved[2];
1861 };
1862
1863 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1864 struct v4l2_query_ext_ctrl {
1865 __u32 id;
1866 __u32 type;
1867 char name[32];
1868 __s64 minimum;
1869 __s64 maximum;
1870 __u64 step;
1871 __s64 default_value;
1872 __u32 flags;
1873 __u32 elem_size;
1874 __u32 elems;
1875 __u32 nr_of_dims;
1876 __u32 dims[V4L2_CTRL_MAX_DIMS];
1877 __u32 reserved[32];
1878 };
1879
1880 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1881 struct v4l2_querymenu {
1882 __u32 id;
1883 __u32 index;
1884 union {
1885 __u8 name[32]; /* Whatever */
1886 __s64 value;
1887 };
1888 __u32 reserved;
1889 } __attribute__ ((packed));
1890
1891 /* Control flags */
1892 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1893 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1894 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1895 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1896 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1897 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1898 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1899 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1900 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1901 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1902 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1903 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1904
1905 /* Query flags, to be ORed with the control ID */
1906 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1907 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1908
1909 /* User-class control IDs defined by V4L2 */
1910 #define V4L2_CID_MAX_CTRLS 1024
1911 /* IDs reserved for driver specific controls */
1912 #define V4L2_CID_PRIVATE_BASE 0x08000000
1913
1914
1915 /*
1916 * T U N I N G
1917 */
1918 struct v4l2_tuner {
1919 __u32 index;
1920 __u8 name[32];
1921 __u32 type; /* enum v4l2_tuner_type */
1922 __u32 capability;
1923 __u32 rangelow;
1924 __u32 rangehigh;
1925 __u32 rxsubchans;
1926 __u32 audmode;
1927 __s32 signal;
1928 __s32 afc;
1929 __u32 reserved[4];
1930 };
1931
1932 struct v4l2_modulator {
1933 __u32 index;
1934 __u8 name[32];
1935 __u32 capability;
1936 __u32 rangelow;
1937 __u32 rangehigh;
1938 __u32 txsubchans;
1939 __u32 type; /* enum v4l2_tuner_type */
1940 __u32 reserved[3];
1941 };
1942
1943 /* Flags for the 'capability' field */
1944 #define V4L2_TUNER_CAP_LOW 0x0001
1945 #define V4L2_TUNER_CAP_NORM 0x0002
1946 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1947 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1948 #define V4L2_TUNER_CAP_STEREO 0x0010
1949 #define V4L2_TUNER_CAP_LANG2 0x0020
1950 #define V4L2_TUNER_CAP_SAP 0x0020
1951 #define V4L2_TUNER_CAP_LANG1 0x0040
1952 #define V4L2_TUNER_CAP_RDS 0x0080
1953 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1954 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1955 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1956 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1957 #define V4L2_TUNER_CAP_1HZ 0x1000
1958
1959 /* Flags for the 'rxsubchans' field */
1960 #define V4L2_TUNER_SUB_MONO 0x0001
1961 #define V4L2_TUNER_SUB_STEREO 0x0002
1962 #define V4L2_TUNER_SUB_LANG2 0x0004
1963 #define V4L2_TUNER_SUB_SAP 0x0004
1964 #define V4L2_TUNER_SUB_LANG1 0x0008
1965 #define V4L2_TUNER_SUB_RDS 0x0010
1966
1967 /* Values for the 'audmode' field */
1968 #define V4L2_TUNER_MODE_MONO 0x0000
1969 #define V4L2_TUNER_MODE_STEREO 0x0001
1970 #define V4L2_TUNER_MODE_LANG2 0x0002
1971 #define V4L2_TUNER_MODE_SAP 0x0002
1972 #define V4L2_TUNER_MODE_LANG1 0x0003
1973 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1974
1975 struct v4l2_frequency {
1976 __u32 tuner;
1977 __u32 type; /* enum v4l2_tuner_type */
1978 __u32 frequency;
1979 __u32 reserved[8];
1980 };
1981
1982 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1983 #define V4L2_BAND_MODULATION_FM (1 << 2)
1984 #define V4L2_BAND_MODULATION_AM (1 << 3)
1985
1986 struct v4l2_frequency_band {
1987 __u32 tuner;
1988 __u32 type; /* enum v4l2_tuner_type */
1989 __u32 index;
1990 __u32 capability;
1991 __u32 rangelow;
1992 __u32 rangehigh;
1993 __u32 modulation;
1994 __u32 reserved[9];
1995 };
1996
1997 struct v4l2_hw_freq_seek {
1998 __u32 tuner;
1999 __u32 type; /* enum v4l2_tuner_type */
2000 __u32 seek_upward;
2001 __u32 wrap_around;
2002 __u32 spacing;
2003 __u32 rangelow;
2004 __u32 rangehigh;
2005 __u32 reserved[5];
2006 };
2007
2008 /*
2009 * R D S
2010 */
2011
2012 struct v4l2_rds_data {
2013 __u8 lsb;
2014 __u8 msb;
2015 __u8 block;
2016 } __attribute__ ((packed));
2017
2018 #define V4L2_RDS_BLOCK_MSK 0x7
2019 #define V4L2_RDS_BLOCK_A 0
2020 #define V4L2_RDS_BLOCK_B 1
2021 #define V4L2_RDS_BLOCK_C 2
2022 #define V4L2_RDS_BLOCK_D 3
2023 #define V4L2_RDS_BLOCK_C_ALT 4
2024 #define V4L2_RDS_BLOCK_INVALID 7
2025
2026 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2027 #define V4L2_RDS_BLOCK_ERROR 0x80
2028
2029 /*
2030 * A U D I O
2031 */
2032 struct v4l2_audio {
2033 __u32 index;
2034 __u8 name[32];
2035 __u32 capability;
2036 __u32 mode;
2037 __u32 reserved[2];
2038 };
2039
2040 /* Flags for the 'capability' field */
2041 #define V4L2_AUDCAP_STEREO 0x00001
2042 #define V4L2_AUDCAP_AVL 0x00002
2043
2044 /* Flags for the 'mode' field */
2045 #define V4L2_AUDMODE_AVL 0x00001
2046
2047 struct v4l2_audioout {
2048 __u32 index;
2049 __u8 name[32];
2050 __u32 capability;
2051 __u32 mode;
2052 __u32 reserved[2];
2053 };
2054
2055 /*
2056 * M P E G S E R V I C E S
2057 */
2058 #if 1
2059 #define V4L2_ENC_IDX_FRAME_I (0)
2060 #define V4L2_ENC_IDX_FRAME_P (1)
2061 #define V4L2_ENC_IDX_FRAME_B (2)
2062 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2063
2064 struct v4l2_enc_idx_entry {
2065 __u64 offset;
2066 __u64 pts;
2067 __u32 length;
2068 __u32 flags;
2069 __u32 reserved[2];
2070 };
2071
2072 #define V4L2_ENC_IDX_ENTRIES (64)
2073 struct v4l2_enc_idx {
2074 __u32 entries;
2075 __u32 entries_cap;
2076 __u32 reserved[4];
2077 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2078 };
2079
2080
2081 #define V4L2_ENC_CMD_START (0)
2082 #define V4L2_ENC_CMD_STOP (1)
2083 #define V4L2_ENC_CMD_PAUSE (2)
2084 #define V4L2_ENC_CMD_RESUME (3)
2085
2086 /* Flags for V4L2_ENC_CMD_STOP */
2087 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2088
2089 struct v4l2_encoder_cmd {
2090 __u32 cmd;
2091 __u32 flags;
2092 union {
2093 struct {
2094 __u32 data[8];
2095 } raw;
2096 };
2097 };
2098
2099 /* Decoder commands */
2100 #define V4L2_DEC_CMD_START (0)
2101 #define V4L2_DEC_CMD_STOP (1)
2102 #define V4L2_DEC_CMD_PAUSE (2)
2103 #define V4L2_DEC_CMD_RESUME (3)
2104 #define V4L2_DEC_CMD_FLUSH (4)
2105
2106 /* Flags for V4L2_DEC_CMD_START */
2107 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2108
2109 /* Flags for V4L2_DEC_CMD_PAUSE */
2110 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2111
2112 /* Flags for V4L2_DEC_CMD_STOP */
2113 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2114 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2115
2116 /* Play format requirements (returned by the driver): */
2117
2118 /* The decoder has no special format requirements */
2119 #define V4L2_DEC_START_FMT_NONE (0)
2120 /* The decoder requires full GOPs */
2121 #define V4L2_DEC_START_FMT_GOP (1)
2122
2123 /* The structure must be zeroed before use by the application
2124 This ensures it can be extended safely in the future. */
2125 struct v4l2_decoder_cmd {
2126 __u32 cmd;
2127 __u32 flags;
2128 union {
2129 struct {
2130 __u64 pts;
2131 } stop;
2132
2133 struct {
2134 /* 0 or 1000 specifies normal speed,
2135 1 specifies forward single stepping,
2136 -1 specifies backward single stepping,
2137 >1: playback at speed/1000 of the normal speed,
2138 <-1: reverse playback at (-speed/1000) of the normal speed. */
2139 __s32 speed;
2140 __u32 format;
2141 } start;
2142
2143 struct {
2144 __u32 data[16];
2145 } raw;
2146 };
2147 };
2148 #endif
2149
2150
2151 /*
2152 * D A T A S E R V I C E S ( V B I )
2153 *
2154 * Data services API by Michael Schimek
2155 */
2156
2157 /* Raw VBI */
2158 struct v4l2_vbi_format {
2159 __u32 sampling_rate; /* in 1 Hz */
2160 __u32 offset;
2161 __u32 samples_per_line;
2162 __u32 sample_format; /* V4L2_PIX_FMT_* */
2163 __s32 start[2];
2164 __u32 count[2];
2165 __u32 flags; /* V4L2_VBI_* */
2166 __u32 reserved[2]; /* must be zero */
2167 };
2168
2169 /* VBI flags */
2170 #define V4L2_VBI_UNSYNC (1 << 0)
2171 #define V4L2_VBI_INTERLACED (1 << 1)
2172
2173 /* ITU-R start lines for each field */
2174 #define V4L2_VBI_ITU_525_F1_START (1)
2175 #define V4L2_VBI_ITU_525_F2_START (264)
2176 #define V4L2_VBI_ITU_625_F1_START (1)
2177 #define V4L2_VBI_ITU_625_F2_START (314)
2178
2179 /* Sliced VBI
2180 *
2181 * This implements is a proposal V4L2 API to allow SLICED VBI
2182 * required for some hardware encoders. It should change without
2183 * notice in the definitive implementation.
2184 */
2185
2186 struct v4l2_sliced_vbi_format {
2187 __u16 service_set;
2188 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2189 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2190 (equals frame lines 313-336 for 625 line video
2191 standards, 263-286 for 525 line standards) */
2192 __u16 service_lines[2][24];
2193 __u32 io_size;
2194 __u32 reserved[2]; /* must be zero */
2195 };
2196
2197 /* Teletext World System Teletext
2198 (WST), defined on ITU-R BT.653-2 */
2199 #define V4L2_SLICED_TELETEXT_B (0x0001)
2200 /* Video Program System, defined on ETS 300 231*/
2201 #define V4L2_SLICED_VPS (0x0400)
2202 /* Closed Caption, defined on EIA-608 */
2203 #define V4L2_SLICED_CAPTION_525 (0x1000)
2204 /* Wide Screen System, defined on ITU-R BT1119.1 */
2205 #define V4L2_SLICED_WSS_625 (0x4000)
2206
2207 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2208 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2209
2210 struct v4l2_sliced_vbi_cap {
2211 __u16 service_set;
2212 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2213 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2214 (equals frame lines 313-336 for 625 line video
2215 standards, 263-286 for 525 line standards) */
2216 __u16 service_lines[2][24];
2217 __u32 type; /* enum v4l2_buf_type */
2218 __u32 reserved[3]; /* must be 0 */
2219 };
2220
2221 struct v4l2_sliced_vbi_data {
2222 __u32 id;
2223 __u32 field; /* 0: first field, 1: second field */
2224 __u32 line; /* 1-23 */
2225 __u32 reserved; /* must be 0 */
2226 __u8 data[48];
2227 };
2228
2229 /*
2230 * Sliced VBI data inserted into MPEG Streams
2231 */
2232
2233 /*
2234 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2235 *
2236 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2237 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2238 * data
2239 *
2240 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2241 * definitions are not included here. See the MPEG-2 specifications for details
2242 * on these headers.
2243 */
2244
2245 /* Line type IDs */
2246 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2247 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2248 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2249 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2250
2251 struct v4l2_mpeg_vbi_itv0_line {
2252 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2253 __u8 data[42]; /* Sliced VBI data for the line */
2254 } __attribute__ ((packed));
2255
2256 struct v4l2_mpeg_vbi_itv0 {
2257 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2258 struct v4l2_mpeg_vbi_itv0_line line[35];
2259 } __attribute__ ((packed));
2260
2261 struct v4l2_mpeg_vbi_ITV0 {
2262 struct v4l2_mpeg_vbi_itv0_line line[36];
2263 } __attribute__ ((packed));
2264
2265 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2266 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2267
2268 struct v4l2_mpeg_vbi_fmt_ivtv {
2269 __u8 magic[4];
2270 union {
2271 struct v4l2_mpeg_vbi_itv0 itv0;
2272 struct v4l2_mpeg_vbi_ITV0 ITV0;
2273 };
2274 } __attribute__ ((packed));
2275
2276 /*
2277 * A G G R E G A T E S T R U C T U R E S
2278 */
2279
2280 /**
2281 * struct v4l2_plane_pix_format - additional, per-plane format definition
2282 * @sizeimage: maximum size in bytes required for data, for which
2283 * this plane will be used
2284 * @bytesperline: distance in bytes between the leftmost pixels in two
2285 * adjacent lines
2286 * @reserved: drivers and applications must zero this array
2287 */
2288 struct v4l2_plane_pix_format {
2289 __u32 sizeimage;
2290 __u32 bytesperline;
2291 __u16 reserved[6];
2292 } __attribute__ ((packed));
2293
2294 /**
2295 * struct v4l2_pix_format_mplane - multiplanar format definition
2296 * @width: image width in pixels
2297 * @height: image height in pixels
2298 * @pixelformat: little endian four character code (fourcc)
2299 * @field: enum v4l2_field; field order (for interlaced video)
2300 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2301 * @plane_fmt: per-plane information
2302 * @num_planes: number of planes for this format
2303 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2304 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2305 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2306 * @quantization: enum v4l2_quantization, colorspace quantization
2307 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2308 * @reserved: drivers and applications must zero this array
2309 */
2310 struct v4l2_pix_format_mplane {
2311 __u32 width;
2312 __u32 height;
2313 __u32 pixelformat;
2314 __u32 field;
2315 __u32 colorspace;
2316
2317 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2318 __u8 num_planes;
2319 __u8 flags;
2320 union {
2321 __u8 ycbcr_enc;
2322 __u8 hsv_enc;
2323 };
2324 __u8 quantization;
2325 __u8 xfer_func;
2326 __u8 reserved[7];
2327 } __attribute__ ((packed));
2328
2329 /**
2330 * struct v4l2_sdr_format - SDR format definition
2331 * @pixelformat: little endian four character code (fourcc)
2332 * @buffersize: maximum size in bytes required for data
2333 * @reserved: drivers and applications must zero this array
2334 */
2335 struct v4l2_sdr_format {
2336 __u32 pixelformat;
2337 __u32 buffersize;
2338 __u8 reserved[24];
2339 } __attribute__ ((packed));
2340
2341 /**
2342 * struct v4l2_meta_format - metadata format definition
2343 * @dataformat: little endian four character code (fourcc)
2344 * @buffersize: maximum size in bytes required for data
2345 */
2346 struct v4l2_meta_format {
2347 __u32 dataformat;
2348 __u32 buffersize;
2349 } __attribute__ ((packed));
2350
2351 /**
2352 * struct v4l2_format - stream data format
2353 * @type: enum v4l2_buf_type; type of the data stream
2354 * @pix: definition of an image format
2355 * @pix_mp: definition of a multiplanar image format
2356 * @win: definition of an overlaid image
2357 * @vbi: raw VBI capture or output parameters
2358 * @sliced: sliced VBI capture or output parameters
2359 * @raw_data: placeholder for future extensions and custom formats
2360 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2361 * and @raw_data
2362 */
2363 struct v4l2_format {
2364 __u32 type;
2365 union {
2366 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2367 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2368 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2369 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2370 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2371 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2372 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2373 __u8 raw_data[200]; /* user-defined */
2374 } fmt;
2375 };
2376
2377 /* Stream type-dependent parameters
2378 */
2379 struct v4l2_streamparm {
2380 __u32 type; /* enum v4l2_buf_type */
2381 union {
2382 struct v4l2_captureparm capture;
2383 struct v4l2_outputparm output;
2384 __u8 raw_data[200]; /* user-defined */
2385 } parm;
2386 };
2387
2388 /*
2389 * E V E N T S
2390 */
2391
2392 #define V4L2_EVENT_ALL 0
2393 #define V4L2_EVENT_VSYNC 1
2394 #define V4L2_EVENT_EOS 2
2395 #define V4L2_EVENT_CTRL 3
2396 #define V4L2_EVENT_FRAME_SYNC 4
2397 #define V4L2_EVENT_SOURCE_CHANGE 5
2398 #define V4L2_EVENT_MOTION_DET 6
2399 #define V4L2_EVENT_PRIVATE_START 0x08000000
2400
2401 /* Payload for V4L2_EVENT_VSYNC */
2402 struct v4l2_event_vsync {
2403 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2404 __u8 field;
2405 } __attribute__ ((packed));
2406
2407 /* Payload for V4L2_EVENT_CTRL */
2408 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2409 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2410 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2411 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2412
2413 struct v4l2_event_ctrl {
2414 __u32 changes;
2415 __u32 type;
2416 union {
2417 __s32 value;
2418 __s64 value64;
2419 };
2420 __u32 flags;
2421 __s32 minimum;
2422 __s32 maximum;
2423 __s32 step;
2424 __s32 default_value;
2425 };
2426
2427 struct v4l2_event_frame_sync {
2428 __u32 frame_sequence;
2429 };
2430
2431 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2432
2433 struct v4l2_event_src_change {
2434 __u32 changes;
2435 };
2436
2437 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2438
2439 /**
2440 * struct v4l2_event_motion_det - motion detection event
2441 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2442 * frame_sequence field is valid.
2443 * @frame_sequence: the frame sequence number associated with this event.
2444 * @region_mask: which regions detected motion.
2445 */
2446 struct v4l2_event_motion_det {
2447 __u32 flags;
2448 __u32 frame_sequence;
2449 __u32 region_mask;
2450 };
2451
2452 struct v4l2_event {
2453 __u32 type;
2454 union {
2455 struct v4l2_event_vsync vsync;
2456 struct v4l2_event_ctrl ctrl;
2457 struct v4l2_event_frame_sync frame_sync;
2458 struct v4l2_event_src_change src_change;
2459 struct v4l2_event_motion_det motion_det;
2460 __u8 data[64];
2461 } u;
2462 __u32 pending;
2463 __u32 sequence;
2464 struct timespec timestamp;
2465 __u32 id;
2466 __u32 reserved[8];
2467 };
2468
2469 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2470 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2471
2472 struct v4l2_event_subscription {
2473 __u32 type;
2474 __u32 id;
2475 __u32 flags;
2476 __u32 reserved[5];
2477 };
2478
2479 /*
2480 * A D V A N C E D D E B U G G I N G
2481 *
2482 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2483 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2484 */
2485
2486 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2487
2488 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2489 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2490
2491 /* The following four defines are no longer in use */
2492 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2493 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2494 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2495 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2496
2497 struct v4l2_dbg_match {
2498 __u32 type; /* Match type */
2499 union { /* Match this chip, meaning determined by type */
2500 __u32 addr;
2501 char name[32];
2502 };
2503 } __attribute__ ((packed));
2504
2505 struct v4l2_dbg_register {
2506 struct v4l2_dbg_match match;
2507 __u32 size; /* register size in bytes */
2508 __u64 reg;
2509 __u64 val;
2510 } __attribute__ ((packed));
2511
2512 #define V4L2_CHIP_FL_READABLE (1 << 0)
2513 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2514
2515 /* VIDIOC_DBG_G_CHIP_INFO */
2516 struct v4l2_dbg_chip_info {
2517 struct v4l2_dbg_match match;
2518 char name[32];
2519 __u32 flags;
2520 __u32 reserved[32];
2521 } __attribute__ ((packed));
2522
2523 /**
2524 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2525 * @index: on return, index of the first created buffer
2526 * @count: entry: number of requested buffers,
2527 * return: number of created buffers
2528 * @memory: enum v4l2_memory; buffer memory type
2529 * @format: frame format, for which buffers are requested
2530 * @capabilities: capabilities of this buffer type.
2531 * @flags: additional buffer management attributes (ignored unless the
2532 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2533 * and configured for MMAP streaming I/O).
2534 * @reserved: future extensions
2535 */
2536 struct v4l2_create_buffers {
2537 __u32 index;
2538 __u32 count;
2539 __u32 memory;
2540 struct v4l2_format format;
2541 __u32 capabilities;
2542 __u32 flags;
2543 __u32 reserved[6];
2544 };
2545
2546 /*
2547 * I O C T L C O D E S F O R V I D E O D E V I C E S
2548 *
2549 */
2550 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2551 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2552 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2553 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2554 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2555 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2556 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2557 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2558 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2559 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2560 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2561 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2562 #define VIDIOC_STREAMON _IOW('V', 18, int)
2563 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2564 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2565 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2566 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2567 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2568 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2569 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2570 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2571 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2572 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2573 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2574 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2575 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2576 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2577 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2578 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2579 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2580 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2581 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2582 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2583 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2584 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2585 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2586 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2587 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2588 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2589 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2590 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2591 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2592 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2593 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2594 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2595 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2596 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2597 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2598 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2599 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2600 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2601 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2602 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2603 #define VIDIOC_LOG_STATUS _IO('V', 70)
2604 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2605 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2606 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2607 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2608 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2609 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2610 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2611 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2612
2613 /*
2614 * Experimental, meant for debugging, testing and internal use.
2615 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2616 * You must be root to use these ioctls. Never use these in applications!
2617 */
2618 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2619 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2620
2621 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2622 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2623 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2624 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2625 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2626 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2627 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2628 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2629 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2630 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2631 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2632 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2633 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2634 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2635 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2636 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2637
2638 /*
2639 * Experimental, meant for debugging, testing and internal use.
2640 * Never use this in applications!
2641 */
2642 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2643
2644 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2645
2646 /* Reminder: when adding new ioctls please add support for them to
2647 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2648
2649 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2650
2651 /* Deprecated definitions kept for backwards compatibility */
2652 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2653 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2654 /*
2655 * This capability was never implemented, anyone using this cap should drop it
2656 * from their code.
2657 */
2658 #define V4L2_CAP_ASYNCIO 0x02000000
2659
2660 #endif /* __LINUX_VIDEODEV2_H */
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