1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
3 * Video for Linux Two header file
5 * Copyright (C) 1999-2012 the contributors
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.
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.
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
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21 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
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33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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.
45 * Header file for v4l or V4L2 drivers and applications
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
50 * See https://linuxtv.org for more info
57 #ifndef _UAPI__LINUX_VIDEODEV2_H
58 #define _UAPI__LINUX_VIDEODEV2_H
63 #include <linux/compiler.h>
64 #include <linux/ioctl.h>
65 #include <linux/types.h>
66 #include <linux/v4l2-common.h>
67 #include <linux/v4l2-controls.h>
70 * Common stuff for both V4L1 and V4L2
71 * Moved from videodev.h
73 #define VIDEO_MAX_FRAME 32
74 #define VIDEO_MAX_PLANES 8
77 * M I S C E L L A N E O U S
80 /* Four-character-code (FOURCC) */
81 #define v4l2_fourcc(a, b, c, d)\
82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
89 V4L2_FIELD_ANY = 0, /* driver can choose from none,
90 top, bottom, interlaced
91 depending on whatever it thinks
93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
94 V4L2_FIELD_TOP = 2, /* top field only */
95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
98 buffer, top-bottom order */
99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 first and the top field is
105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 first and the bottom field is
109 #define V4L2_FIELD_HAS_TOP(field) \
110 ((field) == V4L2_FIELD_TOP ||\
111 (field) == V4L2_FIELD_INTERLACED ||\
112 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 (field) == V4L2_FIELD_SEQ_TB ||\
115 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field) \
117 ((field) == V4L2_FIELD_BOTTOM ||\
118 (field) == V4L2_FIELD_INTERLACED ||\
119 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 (field) == V4L2_FIELD_SEQ_TB ||\
122 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field) \
124 ((field) == V4L2_FIELD_INTERLACED ||\
125 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 (field) == V4L2_FIELD_SEQ_TB ||\
128 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field) \
130 ((field) == V4L2_FIELD_BOTTOM ||\
131 (field) == V4L2_FIELD_TOP ||\
132 (field) == V4L2_FIELD_ALTERNATE)
133 #define V4L2_FIELD_IS_INTERLACED(field) \
134 ((field) == V4L2_FIELD_INTERLACED ||\
135 (field) == V4L2_FIELD_INTERLACED_TB ||\
136 (field) == V4L2_FIELD_INTERLACED_BT)
137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
138 ((field) == V4L2_FIELD_SEQ_TB ||\
139 (field) == V4L2_FIELD_SEQ_BT)
142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
145 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
146 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
152 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
153 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
154 V4L2_BUF_TYPE_META_CAPTURE = 13,
155 V4L2_BUF_TYPE_META_OUTPUT = 14,
156 /* Deprecated, do not use */
157 V4L2_BUF_TYPE_PRIVATE = 0x80,
160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
164 #define V4L2_TYPE_IS_OUTPUT(type) \
165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
176 enum v4l2_tuner_type {
177 V4L2_TUNER_RADIO = 1,
178 V4L2_TUNER_ANALOG_TV = 2,
179 V4L2_TUNER_DIGITAL_TV = 3,
184 /* Deprecated, do not use */
185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
188 V4L2_MEMORY_MMAP = 1,
189 V4L2_MEMORY_USERPTR = 2,
190 V4L2_MEMORY_OVERLAY = 3,
191 V4L2_MEMORY_DMABUF = 4,
194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
195 enum v4l2_colorspace {
197 * Default colorspace, i.e. let the driver figure it out.
198 * Can only be used with video capture.
200 V4L2_COLORSPACE_DEFAULT = 0,
202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
203 V4L2_COLORSPACE_SMPTE170M = 1,
205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
206 V4L2_COLORSPACE_SMPTE240M = 2,
208 /* Rec.709: used for HDTV */
209 V4L2_COLORSPACE_REC709 = 3,
212 * Deprecated, do not use. No driver will ever return this. This was
213 * based on a misunderstanding of the bt878 datasheet.
215 V4L2_COLORSPACE_BT878 = 4,
218 * NTSC 1953 colorspace. This only makes sense when dealing with
219 * really, really old NTSC recordings. Superseded by SMPTE 170M.
221 V4L2_COLORSPACE_470_SYSTEM_M = 5,
224 * EBU Tech 3213 PAL/SECAM colorspace.
226 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
232 V4L2_COLORSPACE_JPEG = 7,
234 /* For RGB colorspaces such as produces by most webcams. */
235 V4L2_COLORSPACE_SRGB = 8,
237 /* opRGB colorspace */
238 V4L2_COLORSPACE_OPRGB = 9,
240 /* BT.2020 colorspace, used for UHDTV. */
241 V4L2_COLORSPACE_BT2020 = 10,
243 /* Raw colorspace: for RAW unprocessed images */
244 V4L2_COLORSPACE_RAW = 11,
246 /* DCI-P3 colorspace, used by cinema projectors */
247 V4L2_COLORSPACE_DCI_P3 = 12,
251 * Largest supported colorspace value, assigned by the compiler, used
252 * by the framework to check for invalid values.
254 V4L2_COLORSPACE_LAST,
259 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
260 * This depends on whether this is a SDTV image (use SMPTE 170M), an
261 * HDTV image (use Rec. 709), or something else (use sRGB).
263 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
264 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
265 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
267 enum v4l2_xfer_func {
269 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
270 * for the various colorspaces:
272 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
273 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
274 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
276 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
278 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
280 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
282 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
284 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
286 V4L2_XFER_FUNC_DEFAULT = 0,
287 V4L2_XFER_FUNC_709 = 1,
288 V4L2_XFER_FUNC_SRGB = 2,
289 V4L2_XFER_FUNC_OPRGB = 3,
290 V4L2_XFER_FUNC_SMPTE240M = 4,
291 V4L2_XFER_FUNC_NONE = 5,
292 V4L2_XFER_FUNC_DCI_P3 = 6,
293 V4L2_XFER_FUNC_SMPTE2084 = 7,
296 * Largest supported transfer function value, assigned by the compiler,
297 * used by the framework to check for invalid values.
304 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
305 * This depends on the colorspace.
307 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
308 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
309 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
310 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
311 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
312 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
313 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
315 enum v4l2_ycbcr_encoding {
317 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
318 * various colorspaces:
320 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
321 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
322 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
324 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
326 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
328 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
330 V4L2_YCBCR_ENC_DEFAULT = 0,
332 /* ITU-R 601 -- SDTV */
333 V4L2_YCBCR_ENC_601 = 1,
335 /* Rec. 709 -- HDTV */
336 V4L2_YCBCR_ENC_709 = 2,
338 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
339 V4L2_YCBCR_ENC_XV601 = 3,
341 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
342 V4L2_YCBCR_ENC_XV709 = 4,
346 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
347 * originally due to a misunderstanding of the sYCC standard. It should
348 * not be used, instead use V4L2_YCBCR_ENC_601.
350 V4L2_YCBCR_ENC_SYCC = 5,
353 /* BT.2020 Non-constant Luminance Y'CbCr */
354 V4L2_YCBCR_ENC_BT2020 = 6,
356 /* BT.2020 Constant Luminance Y'CbcCrc */
357 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
359 /* SMPTE 240M -- Obsolete HDTV */
360 V4L2_YCBCR_ENC_SMPTE240M = 8,
363 * Largest supported encoding value, assigned by the compiler, used by
364 * the framework to check for invalid values.
371 * enum v4l2_hsv_encoding values should not collide with the ones from
372 * enum v4l2_ycbcr_encoding.
374 enum v4l2_hsv_encoding {
376 /* Hue mapped to 0 - 179 */
377 V4L2_HSV_ENC_180 = 128,
379 /* Hue mapped to 0-255 */
380 V4L2_HSV_ENC_256 = 129,
384 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
385 * This depends on the colorspace.
387 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
388 (((colsp) == V4L2_COLORSPACE_REC709 || \
389 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
390 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
391 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
392 V4L2_YCBCR_ENC_601)))
394 enum v4l2_quantization {
396 * The default for R'G'B' quantization is always full range.
397 * For Y'CbCr the quantization is always limited range, except
398 * for COLORSPACE_JPEG: this is full range.
400 V4L2_QUANTIZATION_DEFAULT = 0,
401 V4L2_QUANTIZATION_FULL_RANGE = 1,
402 V4L2_QUANTIZATION_LIM_RANGE = 2,
406 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
407 * This depends on whether the image is RGB or not, the colorspace.
408 * The Y'CbCr encoding is not used anymore, but is still there for backwards
411 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
412 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
413 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
416 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
418 * WARNING: Please don't use these deprecated defines in your code, as
419 * there is a chance we have to remove them in the future.
422 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
423 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
427 V4L2_PRIORITY_UNSET = 0, /* not initialized */
428 V4L2_PRIORITY_BACKGROUND = 1,
429 V4L2_PRIORITY_INTERACTIVE = 2,
430 V4L2_PRIORITY_RECORD = 3,
431 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
452 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
454 * @driver: name of the driver module (e.g. "bttv")
455 * @card: name of the card (e.g. "Hauppauge WinTV")
456 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
457 * @version: KERNEL_VERSION
458 * @capabilities: capabilities of the physical device as a whole
459 * @device_caps: capabilities accessed via this particular device (node)
460 * @reserved: reserved fields for future extensions
462 struct v4l2_capability {
472 /* Values for 'capabilities' field */
473 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
474 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
475 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
476 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
477 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
478 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
479 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
480 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
481 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
482 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
483 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
485 /* Is a video capture device that supports multiplanar formats */
486 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
487 /* Is a video output device that supports multiplanar formats */
488 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
489 /* Is a video mem-to-mem device that supports multiplanar formats */
490 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
491 /* Is a video mem-to-mem device */
492 #define V4L2_CAP_VIDEO_M2M 0x00008000
494 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
495 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
496 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
497 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
499 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
500 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
501 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
502 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
504 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
505 #define V4L2_CAP_EDID 0x02000000 /* Is an EDID-only device */
506 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
507 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
509 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
511 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
513 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
516 * V I D E O I M A G E F O R M A T
518 struct v4l2_pix_format {
522 __u32 field; /* enum v4l2_field */
523 __u32 bytesperline; /* for padding, zero if unused */
525 __u32 colorspace; /* enum v4l2_colorspace */
526 __u32 priv; /* private data, depends on pixelformat */
527 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
529 /* enum v4l2_ycbcr_encoding */
531 /* enum v4l2_hsv_encoding */
534 __u32 quantization; /* enum v4l2_quantization */
535 __u32 xfer_func; /* enum v4l2_xfer_func */
538 /* Pixel format FOURCC depth Description */
540 /* RGB formats (1 or 2 bytes per pixel) */
541 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
542 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
543 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
544 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
545 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
546 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
547 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
548 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
549 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
550 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
551 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
552 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
553 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
554 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
555 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
556 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
557 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
558 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
559 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
560 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
561 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
562 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
563 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
564 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
566 /* RGB formats (3 or 4 bytes per pixel) */
567 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
568 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
569 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
570 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
571 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
572 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
573 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
574 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
575 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
576 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
577 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
578 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
579 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
580 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
581 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
582 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
584 /* RGB formats (6 or 8 bytes per pixel) */
585 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
586 #define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */
587 #define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */
588 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
591 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
592 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
593 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
594 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
595 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
596 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
597 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
598 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
599 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
601 /* Grey bit-packed formats */
602 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
603 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
604 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
605 #define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
606 #define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
608 /* Palette formats */
609 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
611 /* Chrominance formats */
612 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
614 /* Luminance+Chrominance formats */
615 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
616 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
617 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
618 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
619 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
620 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
621 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
622 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
623 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
624 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
625 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
626 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
627 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
628 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
629 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
630 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
631 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
632 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
633 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
636 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
637 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
639 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
640 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
641 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
643 /* two planes -- one Y, one Cr + Cb interleaved */
644 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
645 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
646 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
647 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
648 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
649 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
650 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
651 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
653 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
654 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
655 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
656 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
657 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
658 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
660 /* three planes - Y Cb, Cr */
661 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
662 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
663 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
664 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
665 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
666 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
668 /* three non contiguous planes - Y, Cb, Cr */
669 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
670 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
671 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
672 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
673 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
674 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
676 /* Tiled YUV formats */
677 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
678 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
679 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
680 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
681 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
682 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
683 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
685 /* Tiled YUV formats, non contiguous planes */
686 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
687 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
688 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
689 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
691 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
692 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
693 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
694 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
695 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
696 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
697 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
698 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
699 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
700 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
701 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
702 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
703 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
704 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
705 /* 10bit raw bayer a-law compressed to 8 bits */
706 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
707 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
708 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
709 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
710 /* 10bit raw bayer DPCM compressed to 8 bits */
711 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
712 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
713 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
714 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
715 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
716 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
717 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
718 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
719 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
720 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
721 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
722 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
723 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
724 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
725 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
726 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
727 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
728 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
729 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
730 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
731 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
732 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
733 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
734 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
735 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
736 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
739 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
740 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
742 /* compressed formats */
743 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
744 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
745 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
746 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
747 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
748 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
749 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
750 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
751 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
752 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
753 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
754 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
755 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
756 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
757 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
758 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
759 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
760 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
761 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
762 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
763 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
764 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
765 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
766 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
767 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
768 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
769 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
770 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
772 /* Vendor-specific formats */
773 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
774 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
775 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
776 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
777 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
778 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
779 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
780 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
781 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
782 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
783 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
784 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
785 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
786 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
787 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
788 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
789 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
790 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
791 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
792 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
793 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
794 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
795 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
796 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
797 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
798 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
799 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
800 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
801 #define V4L2_PIX_FMT_Y16I v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
802 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
803 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
804 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
805 #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
806 #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
807 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
808 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
809 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
810 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
811 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
812 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
813 #define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
815 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
816 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
817 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
818 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
819 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
821 /* Raspberry Pi PiSP compressed formats. */
822 #define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
823 #define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
824 #define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
825 #define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
826 #define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
827 #define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
828 #define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
829 #define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
830 #define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
831 #define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
833 /* SDR formats - used only for Software Defined Radio devices */
834 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
835 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
836 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
837 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
838 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
839 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
840 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
841 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
843 /* Touch formats - used for Touch devices */
844 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
845 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
846 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
847 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
849 /* Meta-data formats */
850 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
851 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
852 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
853 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
854 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
856 /* Vendor specific - used for RK_ISP1 camera sub-system */
857 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
858 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
859 #define V4L2_META_FMT_RK_ISP1_EXT_PARAMS v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */
861 /* Vendor specific - used for RaspberryPi PiSP */
862 #define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
863 #define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
864 #define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
868 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
871 #define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */
872 #define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */
873 #define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */
874 #define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */
875 #define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */
876 #define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */
877 #define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */
880 /* priv field value to indicates that subsequent fields are valid. */
881 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
884 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
885 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
888 * F O R M A T E N U M E R A T I O N
890 struct v4l2_fmtdesc {
891 __u32 index; /* Format number */
892 __u32 type; /* enum v4l2_buf_type */
894 __u8 description[32]; /* Description string */
895 __u32 pixelformat; /* Format fourcc */
896 __u32 mbus_code; /* Media bus code */
900 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
901 #define V4L2_FMT_FLAG_EMULATED 0x0002
902 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
903 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
904 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
905 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
906 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
907 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
908 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
909 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
910 #define V4L2_FMT_FLAG_META_LINE_BASED 0x0200
912 /* Format description flag, to be ORed with the index */
913 #define V4L2_FMTDESC_FLAG_ENUM_ALL 0x80000000
915 /* Frame Size and frame rate enumeration */
917 * F R A M E S I Z E E N U M E R A T I O N
919 enum v4l2_frmsizetypes {
920 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
921 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
922 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
925 struct v4l2_frmsize_discrete {
926 __u32 width; /* Frame width [pixel] */
927 __u32 height; /* Frame height [pixel] */
930 struct v4l2_frmsize_stepwise {
931 __u32 min_width; /* Minimum frame width [pixel] */
932 __u32 max_width; /* Maximum frame width [pixel] */
933 __u32 step_width; /* Frame width step size [pixel] */
934 __u32 min_height; /* Minimum frame height [pixel] */
935 __u32 max_height; /* Maximum frame height [pixel] */
936 __u32 step_height; /* Frame height step size [pixel] */
939 struct v4l2_frmsizeenum {
940 __u32 index; /* Frame size number */
941 __u32 pixel_format; /* Pixel format */
942 __u32 type; /* Frame size type the device supports. */
944 union { /* Frame size */
945 struct v4l2_frmsize_discrete discrete;
946 struct v4l2_frmsize_stepwise stepwise;
949 __u32 reserved[2]; /* Reserved space for future use */
953 * F R A M E R A T E E N U M E R A T I O N
955 enum v4l2_frmivaltypes {
956 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
957 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
958 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
961 struct v4l2_frmival_stepwise {
962 struct v4l2_fract min; /* Minimum frame interval [s] */
963 struct v4l2_fract max; /* Maximum frame interval [s] */
964 struct v4l2_fract step; /* Frame interval step size [s] */
967 struct v4l2_frmivalenum {
968 __u32 index; /* Frame format index */
969 __u32 pixel_format; /* Pixel format */
970 __u32 width; /* Frame width */
971 __u32 height; /* Frame height */
972 __u32 type; /* Frame interval type the device supports. */
974 union { /* Frame interval */
975 struct v4l2_fract discrete;
976 struct v4l2_frmival_stepwise stepwise;
979 __u32 reserved[2]; /* Reserved space for future use */
985 struct v4l2_timecode {
996 #define V4L2_TC_TYPE_24FPS 1
997 #define V4L2_TC_TYPE_25FPS 2
998 #define V4L2_TC_TYPE_30FPS 3
999 #define V4L2_TC_TYPE_50FPS 4
1000 #define V4L2_TC_TYPE_60FPS 5
1003 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
1004 #define V4L2_TC_FLAG_COLORFRAME 0x0002
1005 #define V4L2_TC_USERBITS_field 0x000C
1006 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
1007 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
1008 /* The above is based on SMPTE timecodes */
1010 struct v4l2_jpegcompression {
1013 int APPn; /* Number of APP segment to be written,
1015 int APP_len; /* Length of data in JPEG APPn segment */
1016 char APP_data[60]; /* Data in the JPEG APPn segment. */
1018 int COM_len; /* Length of data in JPEG COM segment */
1019 char COM_data[60]; /* Data in JPEG COM segment */
1021 __u32 jpeg_markers; /* Which markers should go into the JPEG
1022 * output. Unless you exactly know what
1023 * you do, leave them untouched.
1024 * Including less markers will make the
1025 * resulting code smaller, but there will
1026 * be fewer applications which can read it.
1027 * The presence of the APP and COM marker
1028 * is influenced by APP_len and COM_len
1029 * ONLY, not by this property! */
1031 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
1032 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
1033 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
1034 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
1035 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
1036 * always use APP0 */
1040 * M E M O R Y - M A P P I N G B U F F E R S
1045 * This corresponds to the user space version of timeval
1046 * for 64-bit time_t. sparc64 is different from everyone
1047 * else, using the microseconds in the wrong half of the
1048 * second 64-bit word.
1050 struct __kernel_v4l2_timeval {
1052 #if defined(__sparc__) && defined(__arch64__)
1061 struct v4l2_requestbuffers {
1063 __u32 type; /* enum v4l2_buf_type */
1064 __u32 memory; /* enum v4l2_memory */
1070 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1072 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1073 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1074 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1075 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1076 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1077 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1078 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1079 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1080 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
1081 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8)
1084 * struct v4l2_plane - plane info for multi-planar buffers
1085 * @bytesused: number of bytes occupied by data in the plane (payload)
1086 * @length: size of this plane (NOT the payload) in bytes
1087 * @m.mem_offset: when memory in the associated struct v4l2_buffer is
1088 * V4L2_MEMORY_MMAP, equals the offset from the start of
1089 * the device memory for this plane (or is a "cookie" that
1090 * should be passed to mmap() called on the video node)
1091 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1092 * pointing to this plane
1093 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1094 * descriptor associated with this plane
1095 * @m: union of @mem_offset, @userptr and @fd
1096 * @data_offset: offset in the plane to the start of data; usually 0,
1097 * unless there is a header in front of the data
1098 * @reserved: drivers and applications must zero this array
1100 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1101 * with two planes can have one plane for Y, and another for interleaved CbCr
1102 * components. Each plane can reside in a separate memory buffer, or even in
1103 * a completely separate memory node (e.g. in embedded devices).
1110 unsigned long userptr;
1118 * struct v4l2_buffer - video buffer info
1119 * @index: id number of the buffer
1120 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1121 * multiplanar buffers);
1122 * @bytesused: number of bytes occupied by data in the buffer (payload);
1123 * unused (set to 0) for multiplanar buffers
1124 * @flags: buffer informational flags
1125 * @field: enum v4l2_field; field order of the image in the buffer
1126 * @timestamp: frame timestamp
1127 * @timecode: frame timecode
1128 * @sequence: sequence count of this frame
1129 * @memory: enum v4l2_memory; the method, in which the actual video data is
1131 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1132 * offset from the start of the device memory for this plane,
1133 * (or a "cookie" that should be passed to mmap() as offset)
1134 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1135 * a userspace pointer pointing to this buffer
1136 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1137 * a userspace file descriptor associated with this buffer
1138 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane
1139 * info structs for this buffer
1140 * @m: union of @offset, @userptr, @planes and @fd
1141 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1142 * buffers (when type != *_MPLANE); number of elements in the
1143 * planes array for multi-plane buffers
1144 * @reserved2: drivers and applications must zero this field
1145 * @request_fd: fd of the request that this buffer should use
1146 * @reserved: for backwards compatibility with applications that do not know
1149 * Contains data exchanged by application and driver using one of the Streaming
1152 struct v4l2_buffer {
1159 struct __kernel_v4l2_timeval timestamp;
1161 struct timeval timestamp;
1163 struct v4l2_timecode timecode;
1166 /* memory location */
1170 unsigned long userptr;
1171 struct v4l2_plane *planes;
1184 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1185 * @tv: pointer to the timeval variable to be converted
1187 * Returns the scalar nanosecond representation of the timeval
1190 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1192 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1196 /* Flags for 'flags' field */
1197 /* Buffer is mapped (flag) */
1198 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1199 /* Buffer is queued for processing */
1200 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1201 /* Buffer is ready */
1202 #define V4L2_BUF_FLAG_DONE 0x00000004
1203 /* Image is a keyframe (I-frame) */
1204 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1205 /* Image is a P-frame */
1206 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1207 /* Image is a B-frame */
1208 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1209 /* Buffer is ready, but the data contained within is corrupted. */
1210 #define V4L2_BUF_FLAG_ERROR 0x00000040
1211 /* Buffer is added to an unqueued request */
1212 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1213 /* timecode field is valid */
1214 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1215 /* Don't return the capture buffer until OUTPUT timestamp changes */
1216 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1217 /* Buffer is prepared for queuing */
1218 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1219 /* Cache handling flags */
1220 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1221 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1222 /* Timestamp type */
1223 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1224 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1225 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1226 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1227 /* Timestamp sources. */
1228 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1229 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1230 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1231 /* mem2mem encoder/decoder */
1232 #define V4L2_BUF_FLAG_LAST 0x00100000
1233 /* request_fd is valid */
1234 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1237 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1239 * @index: id number of the buffer
1240 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1241 * multiplanar buffers);
1242 * @plane: index of the plane to be exported, 0 for single plane queues
1243 * @flags: flags for newly created file, currently only O_CLOEXEC is
1244 * supported, refer to manual of open syscall for more details
1245 * @fd: file descriptor associated with DMABUF (set by driver)
1246 * @reserved: drivers and applications must zero this array
1248 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1249 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1250 * (identical to the cookie used to mmap() the buffer to userspace). All
1251 * reserved fields must be set to zero. The field reserved0 is expected to
1252 * become a structure 'type' allowing an alternative layout of the structure
1253 * content. Therefore this field should not be used for any other extensions.
1255 struct v4l2_exportbuffer {
1256 __u32 type; /* enum v4l2_buf_type */
1265 * O V E R L A Y P R E V I E W
1267 struct v4l2_framebuffer {
1270 /* FIXME: in theory we should pass something like PCI device + memory
1271 * region + offset instead of some physical address */
1277 __u32 field; /* enum v4l2_field */
1278 __u32 bytesperline; /* for padding, zero if unused */
1280 __u32 colorspace; /* enum v4l2_colorspace */
1281 __u32 priv; /* reserved field, set to 0 */
1284 /* Flags for the 'capability' field. Read only */
1285 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1286 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1288 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1289 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1291 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1292 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1293 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1294 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1295 /* Flags for the 'flags' field. */
1296 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1297 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1298 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1299 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1300 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1301 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1302 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1306 struct v4l2_clip __user *next;
1309 struct v4l2_window {
1311 __u32 field; /* enum v4l2_field */
1313 struct v4l2_clip *clips;
1315 void __user *bitmap;
1320 * C A P T U R E P A R A M E T E R S
1322 struct v4l2_captureparm {
1323 __u32 capability; /* Supported modes */
1324 __u32 capturemode; /* Current mode */
1325 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1326 __u32 extendedmode; /* Driver-specific extensions */
1327 __u32 readbuffers; /* # of buffers for read */
1331 /* Flags for 'capability' and 'capturemode' fields */
1332 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1333 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1335 struct v4l2_outputparm {
1336 __u32 capability; /* Supported modes */
1337 __u32 outputmode; /* Current mode */
1338 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1339 __u32 extendedmode; /* Driver-specific extensions */
1340 __u32 writebuffers; /* # of buffers for write */
1345 * I N P U T I M A G E C R O P P I N G
1347 struct v4l2_cropcap {
1348 __u32 type; /* enum v4l2_buf_type */
1349 struct v4l2_rect bounds;
1350 struct v4l2_rect defrect;
1351 struct v4l2_fract pixelaspect;
1355 __u32 type; /* enum v4l2_buf_type */
1360 * struct v4l2_selection - selection info
1361 * @type: buffer type (do not use *_MPLANE types)
1362 * @target: Selection target, used to choose one of possible rectangles;
1363 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1364 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1365 * @r: coordinates of selection window
1366 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1368 * Hardware may use multiple helper windows to process a video stream.
1369 * The structure is used to exchange this selection areas between
1370 * an application and a driver.
1372 struct v4l2_selection {
1382 * A N A L O G V I D E O S T A N D A R D
1385 typedef __u64 v4l2_std_id;
1388 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1389 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1391 /* one bit for each */
1392 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1393 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1394 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1395 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1396 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1397 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1398 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1399 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1401 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1402 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1403 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1404 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1406 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1407 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1408 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1409 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1411 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1412 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1413 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1414 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1415 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1416 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1417 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1418 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1421 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1422 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1425 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1426 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1427 this value to 32 bits.
1428 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1429 it should work fine. However, if needed to add more than two standards,
1430 v4l2-common.c should be fixed.
1434 * Some macros to merge video standards in order to make live easier for the
1435 * drivers and V4L2 applications
1439 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1442 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1443 V4L2_STD_NTSC_M_JP |\
1446 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1449 /* All Secam Standards */
1450 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1453 V4L2_STD_SECAM_DK |\
1457 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1460 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1464 * "Common" PAL - This macro is there to be compatible with the old
1465 * V4L1 concept of "PAL": /BGDKHI.
1466 * Several PAL standards are missing here: /M, /N and /Nc
1468 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1472 /* Chroma "agnostic" standards */
1473 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1476 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1478 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1480 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1482 #define V4L2_STD_GH (V4L2_STD_G |\
1484 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1486 #define V4L2_STD_BG (V4L2_STD_B |\
1488 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1493 /* Standards where MTS/BTSC stereo could be found */
1494 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1499 /* Standards for Countries with 60Hz Line frequency */
1500 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1504 /* Standards for Countries with 50Hz Line frequency */
1505 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1510 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1511 V4L2_STD_ATSC_16_VSB)
1512 /* Macros with none and all analog standards */
1513 #define V4L2_STD_UNKNOWN 0
1514 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1517 struct v4l2_standard {
1521 struct v4l2_fract frameperiod; /* Frames, not fields */
1527 * D V B T T I M I N G S
1530 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1531 * @width: total width of the active video in pixels
1532 * @height: total height of the active video in lines
1533 * @interlaced: Interlaced or progressive
1534 * @polarities: Positive or negative polarities
1535 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1536 * @hfrontporch:Horizontal front porch in pixels
1537 * @hsync: Horizontal Sync length in pixels
1538 * @hbackporch: Horizontal back porch in pixels
1539 * @vfrontporch:Vertical front porch in lines
1540 * @vsync: Vertical Sync length in lines
1541 * @vbackporch: Vertical back porch in lines
1542 * @il_vfrontporch:Vertical front porch for the even field
1543 * (aka field 2) of interlaced field formats
1544 * @il_vsync: Vertical Sync length for the even field
1545 * (aka field 2) of interlaced field formats
1546 * @il_vbackporch:Vertical back porch for the even field
1547 * (aka field 2) of interlaced field formats
1548 * @standards: Standards the timing belongs to
1550 * @picture_aspect: The picture aspect ratio (hor/vert).
1551 * @cea861_vic: VIC code as per the CEA-861 standard.
1552 * @hdmi_vic: VIC code as per the HDMI standard.
1553 * @reserved: Reserved fields, must be zeroed.
1555 * A note regarding vertical interlaced timings: height refers to the total
1556 * height of the active video frame (= two fields). The blanking timings refer
1557 * to the blanking of each field. So the height of the total frame is
1558 * calculated as follows:
1560 * tot_height = height + vfrontporch + vsync + vbackporch +
1561 * il_vfrontporch + il_vsync + il_vbackporch
1563 * The active height of each field is height / 2.
1565 struct v4l2_bt_timings {
1577 __u32 il_vfrontporch;
1579 __u32 il_vbackporch;
1582 struct v4l2_fract picture_aspect;
1586 } __attribute__ ((packed));
1588 /* Interlaced or progressive format */
1589 #define V4L2_DV_PROGRESSIVE 0
1590 #define V4L2_DV_INTERLACED 1
1592 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1593 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1594 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1596 /* Timings standards */
1597 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1598 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1599 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1600 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1601 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1606 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1607 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1608 * intervals are reduced, allowing a higher resolution over the same
1609 * bandwidth. This is a read-only flag.
1611 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1613 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1614 * of six. These formats can be optionally played at 1 / 1.001 speed.
1615 * This is a read-only flag.
1617 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1619 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1621 * If the framerate of the format is a multiple of six, then the pixelclock
1622 * used to set up the transmitter is divided by 1.001 to make it compatible
1623 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1624 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1625 * such frequencies, then the flag will also be cleared.
1627 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1629 * Specific to interlaced formats: if set, then field 1 is really one half-line
1630 * longer and field 2 is really one half-line shorter, so each field has
1631 * exactly the same number of half-lines. Whether half-lines can be detected
1632 * or used depends on the hardware.
1634 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1636 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1637 * differ from other formats (commonly called IT formats) in that if RGB
1638 * encoding is used then by default the RGB values use limited range (i.e.
1639 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1640 * except for the 640x480 format are CE formats.
1642 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1643 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1644 * total height. For these formats, if this flag is set, the first
1645 * field has the extra line. If not, it is the second field.
1647 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1649 * If set, then the picture_aspect field is valid. Otherwise assume that the
1650 * pixels are square, so the picture aspect ratio is the same as the width to
1653 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1655 * If set, then the cea861_vic field is valid and contains the Video
1656 * Identification Code as per the CEA-861 standard.
1658 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1660 * If set, then the hdmi_vic field is valid and contains the Video
1661 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1664 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1666 * CEA-861 specific: only valid for video receivers.
1667 * If set, then HW can detect the difference between regular FPS and
1668 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1669 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1671 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1673 /* A few useful defines to calculate the total blanking and frame sizes */
1674 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1675 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1676 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1677 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1678 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1679 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1680 ((bt)->interlaced ? \
1681 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1682 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1683 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1685 /** struct v4l2_dv_timings - DV timings
1686 * @type: the type of the timings
1687 * @bt: BT656/1120 timings
1689 struct v4l2_dv_timings {
1692 struct v4l2_bt_timings bt;
1695 } __attribute__ ((packed));
1697 /* Values for the type field */
1698 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1701 /** struct v4l2_enum_dv_timings - DV timings enumeration
1702 * @index: enumeration index
1703 * @pad: the pad number for which to enumerate timings (used with
1704 * v4l-subdev nodes only)
1705 * @reserved: must be zeroed
1706 * @timings: the timings for the given index
1708 struct v4l2_enum_dv_timings {
1712 struct v4l2_dv_timings timings;
1715 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1716 * @min_width: width in pixels
1717 * @max_width: width in pixels
1718 * @min_height: height in lines
1719 * @max_height: height in lines
1720 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1721 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1722 * @standards: Supported standards
1723 * @capabilities: Supported capabilities
1724 * @reserved: Must be zeroed
1726 struct v4l2_bt_timings_cap {
1731 __u64 min_pixelclock;
1732 __u64 max_pixelclock;
1736 } __attribute__ ((packed));
1738 /* Supports interlaced formats */
1739 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1740 /* Supports progressive formats */
1741 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1742 /* Supports CVT/GTF reduced blanking */
1743 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1744 /* Supports custom formats */
1745 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1747 /** struct v4l2_dv_timings_cap - DV timings capabilities
1748 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1749 * @pad: the pad number for which to query capabilities (used with
1750 * v4l-subdev nodes only)
1751 * @bt: the BT656/1120 timings capabilities
1753 struct v4l2_dv_timings_cap {
1758 struct v4l2_bt_timings_cap bt;
1765 * V I D E O I N P U T S
1768 __u32 index; /* Which input */
1769 __u8 name[32]; /* Label */
1770 __u32 type; /* Type of input */
1771 __u32 audioset; /* Associated audios (bitfield) */
1772 __u32 tuner; /* Tuner index */
1779 /* Values for the 'type' field */
1780 #define V4L2_INPUT_TYPE_TUNER 1
1781 #define V4L2_INPUT_TYPE_CAMERA 2
1782 #define V4L2_INPUT_TYPE_TOUCH 3
1784 /* field 'status' - general */
1785 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1786 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1787 #define V4L2_IN_ST_NO_COLOR 0x00000004
1789 /* field 'status' - sensor orientation */
1790 /* If sensor is mounted upside down set both bits */
1791 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1792 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1794 /* field 'status' - analog */
1795 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1796 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1797 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1798 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1800 /* field 'status' - digital */
1801 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1802 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1803 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1805 /* field 'status' - VCR and set-top box */
1806 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1807 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1808 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1810 /* capabilities flags */
1811 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1812 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1813 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1814 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1817 * V I D E O O U T P U T S
1819 struct v4l2_output {
1820 __u32 index; /* Which output */
1821 __u8 name[32]; /* Label */
1822 __u32 type; /* Type of output */
1823 __u32 audioset; /* Associated audios (bitfield) */
1824 __u32 modulator; /* Associated modulator */
1829 /* Values for the 'type' field */
1830 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1831 #define V4L2_OUTPUT_TYPE_ANALOG 2
1832 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1834 /* capabilities flags */
1835 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1836 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1837 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1838 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1843 struct v4l2_control {
1848 struct v4l2_ext_control {
1855 char __user *string;
1857 __u16 __user *p_u16;
1858 __u32 __user *p_u32;
1859 __s32 __user *p_s32;
1860 __s64 __user *p_s64;
1861 struct v4l2_area __user *p_area;
1862 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1863 struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1864 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1865 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1866 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1867 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1868 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1869 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1870 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1871 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1872 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1873 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1874 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1875 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1876 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1877 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1878 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1879 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1880 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence;
1881 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry;
1882 struct v4l2_ctrl_av1_frame __user *p_av1_frame;
1883 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain;
1884 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;
1885 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display;
1887 } __attribute__ ((packed));
1888 } __attribute__ ((packed));
1890 struct v4l2_ext_controls {
1901 struct v4l2_ext_control *controls;
1904 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1906 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1908 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1909 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1910 #define V4L2_CTRL_MAX_DIMS (4)
1911 #define V4L2_CTRL_WHICH_CUR_VAL 0
1912 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1913 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1915 enum v4l2_ctrl_type {
1916 V4L2_CTRL_TYPE_INTEGER = 1,
1917 V4L2_CTRL_TYPE_BOOLEAN = 2,
1918 V4L2_CTRL_TYPE_MENU = 3,
1919 V4L2_CTRL_TYPE_BUTTON = 4,
1920 V4L2_CTRL_TYPE_INTEGER64 = 5,
1921 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1922 V4L2_CTRL_TYPE_STRING = 7,
1923 V4L2_CTRL_TYPE_BITMASK = 8,
1924 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1926 /* Compound types are >= 0x0100 */
1927 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1928 V4L2_CTRL_TYPE_U8 = 0x0100,
1929 V4L2_CTRL_TYPE_U16 = 0x0101,
1930 V4L2_CTRL_TYPE_U32 = 0x0102,
1931 V4L2_CTRL_TYPE_AREA = 0x0106,
1933 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1934 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1936 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1937 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1938 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1939 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1940 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1941 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1943 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1945 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1947 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1948 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1949 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1951 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1952 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1954 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1955 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1956 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1957 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1958 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1960 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280,
1961 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1962 V4L2_CTRL_TYPE_AV1_FRAME = 0x282,
1963 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283,
1966 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1967 struct v4l2_queryctrl {
1969 __u32 type; /* enum v4l2_ctrl_type */
1970 __u8 name[32]; /* Whatever */
1971 __s32 minimum; /* Note signedness */
1974 __s32 default_value;
1979 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1980 struct v4l2_query_ext_ctrl {
1987 __s64 default_value;
1992 __u32 dims[V4L2_CTRL_MAX_DIMS];
1996 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1997 struct v4l2_querymenu {
2001 __u8 name[32]; /* Whatever */
2005 } __attribute__ ((packed));
2008 #define V4L2_CTRL_FLAG_DISABLED 0x0001
2009 #define V4L2_CTRL_FLAG_GRABBED 0x0002
2010 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
2011 #define V4L2_CTRL_FLAG_UPDATE 0x0008
2012 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
2013 #define V4L2_CTRL_FLAG_SLIDER 0x0020
2014 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
2015 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
2016 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
2017 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
2018 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
2019 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
2021 /* Query flags, to be ORed with the control ID */
2022 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
2023 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
2025 /* User-class control IDs defined by V4L2 */
2026 #define V4L2_CID_MAX_CTRLS 1024
2027 /* IDs reserved for driver specific controls */
2028 #define V4L2_CID_PRIVATE_BASE 0x08000000
2037 __u32 type; /* enum v4l2_tuner_type */
2048 struct v4l2_modulator {
2055 __u32 type; /* enum v4l2_tuner_type */
2059 /* Flags for the 'capability' field */
2060 #define V4L2_TUNER_CAP_LOW 0x0001
2061 #define V4L2_TUNER_CAP_NORM 0x0002
2062 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
2063 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
2064 #define V4L2_TUNER_CAP_STEREO 0x0010
2065 #define V4L2_TUNER_CAP_LANG2 0x0020
2066 #define V4L2_TUNER_CAP_SAP 0x0020
2067 #define V4L2_TUNER_CAP_LANG1 0x0040
2068 #define V4L2_TUNER_CAP_RDS 0x0080
2069 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
2070 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
2071 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
2072 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
2073 #define V4L2_TUNER_CAP_1HZ 0x1000
2075 /* Flags for the 'rxsubchans' field */
2076 #define V4L2_TUNER_SUB_MONO 0x0001
2077 #define V4L2_TUNER_SUB_STEREO 0x0002
2078 #define V4L2_TUNER_SUB_LANG2 0x0004
2079 #define V4L2_TUNER_SUB_SAP 0x0004
2080 #define V4L2_TUNER_SUB_LANG1 0x0008
2081 #define V4L2_TUNER_SUB_RDS 0x0010
2083 /* Values for the 'audmode' field */
2084 #define V4L2_TUNER_MODE_MONO 0x0000
2085 #define V4L2_TUNER_MODE_STEREO 0x0001
2086 #define V4L2_TUNER_MODE_LANG2 0x0002
2087 #define V4L2_TUNER_MODE_SAP 0x0002
2088 #define V4L2_TUNER_MODE_LANG1 0x0003
2089 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2091 struct v4l2_frequency {
2093 __u32 type; /* enum v4l2_tuner_type */
2098 #define V4L2_BAND_MODULATION_VSB (1 << 1)
2099 #define V4L2_BAND_MODULATION_FM (1 << 2)
2100 #define V4L2_BAND_MODULATION_AM (1 << 3)
2102 struct v4l2_frequency_band {
2104 __u32 type; /* enum v4l2_tuner_type */
2113 struct v4l2_hw_freq_seek {
2115 __u32 type; /* enum v4l2_tuner_type */
2128 struct v4l2_rds_data {
2132 } __attribute__ ((packed));
2134 #define V4L2_RDS_BLOCK_MSK 0x7
2135 #define V4L2_RDS_BLOCK_A 0
2136 #define V4L2_RDS_BLOCK_B 1
2137 #define V4L2_RDS_BLOCK_C 2
2138 #define V4L2_RDS_BLOCK_D 3
2139 #define V4L2_RDS_BLOCK_C_ALT 4
2140 #define V4L2_RDS_BLOCK_INVALID 7
2142 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2143 #define V4L2_RDS_BLOCK_ERROR 0x80
2156 /* Flags for the 'capability' field */
2157 #define V4L2_AUDCAP_STEREO 0x00001
2158 #define V4L2_AUDCAP_AVL 0x00002
2160 /* Flags for the 'mode' field */
2161 #define V4L2_AUDMODE_AVL 0x00001
2163 struct v4l2_audioout {
2172 * M P E G S E R V I C E S
2175 #define V4L2_ENC_IDX_FRAME_I (0)
2176 #define V4L2_ENC_IDX_FRAME_P (1)
2177 #define V4L2_ENC_IDX_FRAME_B (2)
2178 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2180 struct v4l2_enc_idx_entry {
2188 #define V4L2_ENC_IDX_ENTRIES (64)
2189 struct v4l2_enc_idx {
2193 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2197 #define V4L2_ENC_CMD_START (0)
2198 #define V4L2_ENC_CMD_STOP (1)
2199 #define V4L2_ENC_CMD_PAUSE (2)
2200 #define V4L2_ENC_CMD_RESUME (3)
2202 /* Flags for V4L2_ENC_CMD_STOP */
2203 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2205 struct v4l2_encoder_cmd {
2215 /* Decoder commands */
2216 #define V4L2_DEC_CMD_START (0)
2217 #define V4L2_DEC_CMD_STOP (1)
2218 #define V4L2_DEC_CMD_PAUSE (2)
2219 #define V4L2_DEC_CMD_RESUME (3)
2220 #define V4L2_DEC_CMD_FLUSH (4)
2222 /* Flags for V4L2_DEC_CMD_START */
2223 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2225 /* Flags for V4L2_DEC_CMD_PAUSE */
2226 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2228 /* Flags for V4L2_DEC_CMD_STOP */
2229 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2230 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2232 /* Play format requirements (returned by the driver): */
2234 /* The decoder has no special format requirements */
2235 #define V4L2_DEC_START_FMT_NONE (0)
2236 /* The decoder requires full GOPs */
2237 #define V4L2_DEC_START_FMT_GOP (1)
2239 /* The structure must be zeroed before use by the application
2240 This ensures it can be extended safely in the future. */
2241 struct v4l2_decoder_cmd {
2250 /* 0 or 1000 specifies normal speed,
2251 1 specifies forward single stepping,
2252 -1 specifies backward single stepping,
2253 >1: playback at speed/1000 of the normal speed,
2254 <-1: reverse playback at (-speed/1000) of the normal speed. */
2268 * D A T A S E R V I C E S ( V B I )
2270 * Data services API by Michael Schimek
2274 struct v4l2_vbi_format {
2275 __u32 sampling_rate; /* in 1 Hz */
2277 __u32 samples_per_line;
2278 __u32 sample_format; /* V4L2_PIX_FMT_* */
2281 __u32 flags; /* V4L2_VBI_* */
2282 __u32 reserved[2]; /* must be zero */
2286 #define V4L2_VBI_UNSYNC (1 << 0)
2287 #define V4L2_VBI_INTERLACED (1 << 1)
2289 /* ITU-R start lines for each field */
2290 #define V4L2_VBI_ITU_525_F1_START (1)
2291 #define V4L2_VBI_ITU_525_F2_START (264)
2292 #define V4L2_VBI_ITU_625_F1_START (1)
2293 #define V4L2_VBI_ITU_625_F2_START (314)
2297 * This implements is a proposal V4L2 API to allow SLICED VBI
2298 * required for some hardware encoders. It should change without
2299 * notice in the definitive implementation.
2302 struct v4l2_sliced_vbi_format {
2304 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2305 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2306 (equals frame lines 313-336 for 625 line video
2307 standards, 263-286 for 525 line standards) */
2308 __u16 service_lines[2][24];
2310 __u32 reserved[2]; /* must be zero */
2313 /* Teletext World System Teletext
2314 (WST), defined on ITU-R BT.653-2 */
2315 #define V4L2_SLICED_TELETEXT_B (0x0001)
2316 /* Video Program System, defined on ETS 300 231*/
2317 #define V4L2_SLICED_VPS (0x0400)
2318 /* Closed Caption, defined on EIA-608 */
2319 #define V4L2_SLICED_CAPTION_525 (0x1000)
2320 /* Wide Screen System, defined on ITU-R BT1119.1 */
2321 #define V4L2_SLICED_WSS_625 (0x4000)
2323 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2324 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2326 struct v4l2_sliced_vbi_cap {
2328 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2329 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2330 (equals frame lines 313-336 for 625 line video
2331 standards, 263-286 for 525 line standards) */
2332 __u16 service_lines[2][24];
2333 __u32 type; /* enum v4l2_buf_type */
2334 __u32 reserved[3]; /* must be 0 */
2337 struct v4l2_sliced_vbi_data {
2339 __u32 field; /* 0: first field, 1: second field */
2340 __u32 line; /* 1-23 */
2341 __u32 reserved; /* must be 0 */
2346 * Sliced VBI data inserted into MPEG Streams
2350 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2352 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2353 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2356 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2357 * definitions are not included here. See the MPEG-2 specifications for details
2362 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2363 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2364 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2365 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2367 struct v4l2_mpeg_vbi_itv0_line {
2368 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2369 __u8 data[42]; /* Sliced VBI data for the line */
2370 } __attribute__ ((packed));
2372 struct v4l2_mpeg_vbi_itv0 {
2373 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2374 struct v4l2_mpeg_vbi_itv0_line line[35];
2375 } __attribute__ ((packed));
2377 struct v4l2_mpeg_vbi_ITV0 {
2378 struct v4l2_mpeg_vbi_itv0_line line[36];
2379 } __attribute__ ((packed));
2381 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2382 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2384 struct v4l2_mpeg_vbi_fmt_ivtv {
2387 struct v4l2_mpeg_vbi_itv0 itv0;
2388 struct v4l2_mpeg_vbi_ITV0 ITV0;
2390 } __attribute__ ((packed));
2393 * A G G R E G A T E S T R U C T U R E S
2397 * struct v4l2_plane_pix_format - additional, per-plane format definition
2398 * @sizeimage: maximum size in bytes required for data, for which
2399 * this plane will be used
2400 * @bytesperline: distance in bytes between the leftmost pixels in two
2402 * @reserved: drivers and applications must zero this array
2404 struct v4l2_plane_pix_format {
2408 } __attribute__ ((packed));
2411 * struct v4l2_pix_format_mplane - multiplanar format definition
2412 * @width: image width in pixels
2413 * @height: image height in pixels
2414 * @pixelformat: little endian four character code (fourcc)
2415 * @field: enum v4l2_field; field order (for interlaced video)
2416 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2417 * @plane_fmt: per-plane information
2418 * @num_planes: number of planes for this format
2419 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2420 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2421 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2422 * @quantization: enum v4l2_quantization, colorspace quantization
2423 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2424 * @reserved: drivers and applications must zero this array
2426 struct v4l2_pix_format_mplane {
2433 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2443 } __attribute__ ((packed));
2446 * struct v4l2_sdr_format - SDR format definition
2447 * @pixelformat: little endian four character code (fourcc)
2448 * @buffersize: maximum size in bytes required for data
2449 * @reserved: drivers and applications must zero this array
2451 struct v4l2_sdr_format {
2455 } __attribute__ ((packed));
2458 * struct v4l2_meta_format - metadata format definition
2459 * @dataformat: little endian four character code (fourcc)
2460 * @buffersize: maximum size in bytes required for data
2461 * @width: number of data units of data per line (valid for line
2462 * based formats only, see format documentation)
2463 * @height: number of lines of data per buffer (valid for line based
2465 * @bytesperline: offset between the beginnings of two adjacent lines in
2466 * bytes (valid for line based formats only)
2468 struct v4l2_meta_format {
2474 } __attribute__ ((packed));
2477 * struct v4l2_format - stream data format
2478 * @type: enum v4l2_buf_type; type of the data stream
2479 * @fmt.pix: definition of an image format
2480 * @fmt.pix_mp: definition of a multiplanar image format
2481 * @fmt.win: definition of an overlaid image
2482 * @fmt.vbi: raw VBI capture or output parameters
2483 * @fmt.sliced: sliced VBI capture or output parameters
2484 * @fmt.raw_data: placeholder for future extensions and custom formats
2485 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2486 * @meta and @raw_data
2488 struct v4l2_format {
2491 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2492 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2493 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2494 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2495 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2496 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2497 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2498 __u8 raw_data[200]; /* user-defined */
2502 /* Stream type-dependent parameters
2504 struct v4l2_streamparm {
2505 __u32 type; /* enum v4l2_buf_type */
2507 struct v4l2_captureparm capture;
2508 struct v4l2_outputparm output;
2509 __u8 raw_data[200]; /* user-defined */
2517 #define V4L2_EVENT_ALL 0
2518 #define V4L2_EVENT_VSYNC 1
2519 #define V4L2_EVENT_EOS 2
2520 #define V4L2_EVENT_CTRL 3
2521 #define V4L2_EVENT_FRAME_SYNC 4
2522 #define V4L2_EVENT_SOURCE_CHANGE 5
2523 #define V4L2_EVENT_MOTION_DET 6
2524 #define V4L2_EVENT_PRIVATE_START 0x08000000
2526 /* Payload for V4L2_EVENT_VSYNC */
2527 struct v4l2_event_vsync {
2528 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2530 } __attribute__ ((packed));
2532 /* Payload for V4L2_EVENT_CTRL */
2533 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2534 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2535 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2536 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2538 struct v4l2_event_ctrl {
2549 __s32 default_value;
2552 struct v4l2_event_frame_sync {
2553 __u32 frame_sequence;
2556 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2558 struct v4l2_event_src_change {
2562 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2565 * struct v4l2_event_motion_det - motion detection event
2566 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2567 * frame_sequence field is valid.
2568 * @frame_sequence: the frame sequence number associated with this event.
2569 * @region_mask: which regions detected motion.
2571 struct v4l2_event_motion_det {
2573 __u32 frame_sequence;
2580 struct v4l2_event_vsync vsync;
2581 struct v4l2_event_ctrl ctrl;
2582 struct v4l2_event_frame_sync frame_sync;
2583 struct v4l2_event_src_change src_change;
2584 struct v4l2_event_motion_det motion_det;
2590 struct __kernel_timespec timestamp;
2592 struct timespec timestamp;
2598 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2599 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2601 struct v4l2_event_subscription {
2609 * A D V A N C E D D E B U G G I N G
2611 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2612 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2615 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2617 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2618 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2620 /* The following four defines are no longer in use */
2621 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2622 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2623 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2624 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2626 struct v4l2_dbg_match {
2627 __u32 type; /* Match type */
2628 union { /* Match this chip, meaning determined by type */
2632 } __attribute__ ((packed));
2634 struct v4l2_dbg_register {
2635 struct v4l2_dbg_match match;
2636 __u32 size; /* register size in bytes */
2639 } __attribute__ ((packed));
2641 #define V4L2_CHIP_FL_READABLE (1 << 0)
2642 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2644 /* VIDIOC_DBG_G_CHIP_INFO */
2645 struct v4l2_dbg_chip_info {
2646 struct v4l2_dbg_match match;
2650 } __attribute__ ((packed));
2653 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2654 * @index: on return, index of the first created buffer
2655 * @count: entry: number of requested buffers,
2656 * return: number of created buffers
2657 * @memory: enum v4l2_memory; buffer memory type
2658 * @format: frame format, for which buffers are requested
2659 * @capabilities: capabilities of this buffer type.
2660 * @flags: additional buffer management attributes (ignored unless the
2661 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2662 * and configured for MMAP streaming I/O).
2663 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2664 * this field indicate the maximum possible number of buffers
2666 * @reserved: future extensions
2668 struct v4l2_create_buffers {
2672 struct v4l2_format format;
2675 __u32 max_num_buffers;
2680 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2681 * @index: the first buffer to be removed
2682 * @count: number of buffers to removed
2683 * @type: enum v4l2_buf_type
2684 * @reserved: future extensions
2686 struct v4l2_remove_buffers {
2694 * 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
2697 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2698 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2699 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2700 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2701 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2702 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2703 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2704 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2705 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2706 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2707 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2708 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2709 #define VIDIOC_STREAMON _IOW('V', 18, int)
2710 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2711 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2712 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2713 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2714 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2715 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2716 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2717 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2718 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2719 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2720 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2721 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2722 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2723 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2724 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2725 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2726 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2727 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2728 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2729 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2730 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2731 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2732 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2733 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2734 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2735 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2736 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2737 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2738 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2739 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2740 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2741 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2742 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2743 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2744 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2745 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2746 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2747 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2748 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2749 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2750 #define VIDIOC_LOG_STATUS _IO('V', 70)
2751 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2752 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2753 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2754 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2755 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2756 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2757 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2758 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2761 * Experimental, meant for debugging, testing and internal use.
2762 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2763 * You must be root to use these ioctls. Never use these in applications!
2765 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2766 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2768 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2769 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2770 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2771 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2772 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2773 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2774 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2775 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2776 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2777 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2778 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2779 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2780 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2781 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2782 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2783 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2786 * Experimental, meant for debugging, testing and internal use.
2787 * Never use this in applications!
2789 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2791 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2792 #define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers)
2795 /* Reminder: when adding new ioctls please add support for them to
2796 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2798 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2800 /* Deprecated definitions kept for backwards compatibility */
2802 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2803 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2805 * This capability was never implemented, anyone using this cap should drop it
2808 #define V4L2_CAP_ASYNCIO 0x02000000
2811 #endif /* _UAPI__LINUX_VIDEODEV2_H */
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