2 * Video for Linux Two header file
4 * Copyright (C) 1999-2012 the contributors
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 * Alternatively you can redistribute this file under the terms of the
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20 * modification, are permitted provided that the following conditions
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44 * Header file for v4l or V4L2 drivers and applications
46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
47 * no #if __KERNEL tests are allowed here
49 * See http://linuxtv.org for more info
51 * Author: Bill Dirks <bill@thedirks.org>
53 * Hans Verkuil <hverkuil@xs4all.nl>
56 #ifndef _UAPI__LINUX_VIDEODEV2_H
57 #define _UAPI__LINUX_VIDEODEV2_H
62 #include <linux/compiler.h>
63 #include <linux/ioctl.h>
64 #include <linux/types.h>
65 #include <linux/v4l2-common.h>
66 #include <linux/v4l2-controls.h>
69 * Common stuff for both V4L1 and V4L2
70 * Moved from videodev.h
72 #define VIDEO_MAX_FRAME 32
73 #define VIDEO_MAX_PLANES 8
76 * M I S C E L L A N E O U S
79 /* Four-character-code (FOURCC) */
80 #define v4l2_fourcc(a, b, c, d)\
81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
82 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
88 V4L2_FIELD_ANY = 0, /* driver can choose from none,
89 top, bottom, interlaced
90 depending on whatever it thinks
92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
93 V4L2_FIELD_TOP = 2, /* top field only */
94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
97 buffer, top-bottom order */
98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
102 first and the top field is
104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
105 first and the bottom field is
108 #define V4L2_FIELD_HAS_TOP(field) \
109 ((field) == V4L2_FIELD_TOP ||\
110 (field) == V4L2_FIELD_INTERLACED ||\
111 (field) == V4L2_FIELD_INTERLACED_TB ||\
112 (field) == V4L2_FIELD_INTERLACED_BT ||\
113 (field) == V4L2_FIELD_SEQ_TB ||\
114 (field) == V4L2_FIELD_SEQ_BT)
115 #define V4L2_FIELD_HAS_BOTTOM(field) \
116 ((field) == V4L2_FIELD_BOTTOM ||\
117 (field) == V4L2_FIELD_INTERLACED ||\
118 (field) == V4L2_FIELD_INTERLACED_TB ||\
119 (field) == V4L2_FIELD_INTERLACED_BT ||\
120 (field) == V4L2_FIELD_SEQ_TB ||\
121 (field) == V4L2_FIELD_SEQ_BT)
122 #define V4L2_FIELD_HAS_BOTH(field) \
123 ((field) == V4L2_FIELD_INTERLACED ||\
124 (field) == V4L2_FIELD_INTERLACED_TB ||\
125 (field) == V4L2_FIELD_INTERLACED_BT ||\
126 (field) == V4L2_FIELD_SEQ_TB ||\
127 (field) == V4L2_FIELD_SEQ_BT)
128 #define V4L2_FIELD_HAS_T_OR_B(field) \
129 ((field) == V4L2_FIELD_BOTTOM ||\
130 (field) == V4L2_FIELD_TOP ||\
131 (field) == V4L2_FIELD_ALTERNATE)
134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
137 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
138 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
143 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
145 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
146 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
147 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
148 /* Deprecated, do not use */
149 V4L2_BUF_TYPE_PRIVATE = 0x80,
152 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
153 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
154 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
156 #define V4L2_TYPE_IS_OUTPUT(type) \
157 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
159 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
161 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
162 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
164 enum v4l2_tuner_type {
165 V4L2_TUNER_RADIO = 1,
166 V4L2_TUNER_ANALOG_TV = 2,
167 V4L2_TUNER_DIGITAL_TV = 3,
173 V4L2_MEMORY_MMAP = 1,
174 V4L2_MEMORY_USERPTR = 2,
175 V4L2_MEMORY_OVERLAY = 3,
176 V4L2_MEMORY_DMABUF = 4,
179 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
180 enum v4l2_colorspace {
182 * Default colorspace, i.e. let the driver figure it out.
183 * Can only be used with video capture.
185 V4L2_COLORSPACE_DEFAULT = 0,
187 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
188 V4L2_COLORSPACE_SMPTE170M = 1,
190 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
191 V4L2_COLORSPACE_SMPTE240M = 2,
193 /* Rec.709: used for HDTV */
194 V4L2_COLORSPACE_REC709 = 3,
197 * Deprecated, do not use. No driver will ever return this. This was
198 * based on a misunderstanding of the bt878 datasheet.
200 V4L2_COLORSPACE_BT878 = 4,
203 * NTSC 1953 colorspace. This only makes sense when dealing with
204 * really, really old NTSC recordings. Superseded by SMPTE 170M.
206 V4L2_COLORSPACE_470_SYSTEM_M = 5,
209 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
210 * dealing with really old PAL/SECAM recordings. Superseded by
213 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
216 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
217 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
219 V4L2_COLORSPACE_JPEG = 7,
221 /* For RGB colorspaces such as produces by most webcams. */
222 V4L2_COLORSPACE_SRGB = 8,
224 /* AdobeRGB colorspace */
225 V4L2_COLORSPACE_ADOBERGB = 9,
227 /* BT.2020 colorspace, used for UHDTV. */
228 V4L2_COLORSPACE_BT2020 = 10,
230 /* Raw colorspace: for RAW unprocessed images */
231 V4L2_COLORSPACE_RAW = 11,
235 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
236 * This depends on whether this is a SDTV image (use SMPTE 170M), an
237 * HDTV image (use Rec. 709), or something else (use sRGB).
239 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
240 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
241 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
243 enum v4l2_xfer_func {
245 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
246 * for the various colorspaces:
248 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
249 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
250 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
252 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
254 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
256 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
258 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
260 V4L2_XFER_FUNC_DEFAULT = 0,
261 V4L2_XFER_FUNC_709 = 1,
262 V4L2_XFER_FUNC_SRGB = 2,
263 V4L2_XFER_FUNC_ADOBERGB = 3,
264 V4L2_XFER_FUNC_SMPTE240M = 4,
265 V4L2_XFER_FUNC_NONE = 5,
269 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
270 * This depends on the colorspace.
272 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
273 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
274 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
275 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
276 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
277 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))
279 enum v4l2_ycbcr_encoding {
281 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
282 * various colorspaces:
284 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
285 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and
286 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
288 * V4L2_COLORSPACE_REC709: V4L2_YCBCR_ENC_709
290 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC
292 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
294 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
296 V4L2_YCBCR_ENC_DEFAULT = 0,
298 /* ITU-R 601 -- SDTV */
299 V4L2_YCBCR_ENC_601 = 1,
301 /* Rec. 709 -- HDTV */
302 V4L2_YCBCR_ENC_709 = 2,
304 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
305 V4L2_YCBCR_ENC_XV601 = 3,
307 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
308 V4L2_YCBCR_ENC_XV709 = 4,
310 /* sYCC (Y'CbCr encoding of sRGB) */
311 V4L2_YCBCR_ENC_SYCC = 5,
313 /* BT.2020 Non-constant Luminance Y'CbCr */
314 V4L2_YCBCR_ENC_BT2020 = 6,
316 /* BT.2020 Constant Luminance Y'CbcCrc */
317 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
319 /* SMPTE 240M -- Obsolete HDTV */
320 V4L2_YCBCR_ENC_SMPTE240M = 8,
324 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
325 * This depends on the colorspace.
327 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
328 ((colsp) == V4L2_COLORSPACE_REC709 ? V4L2_YCBCR_ENC_709 : \
329 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
330 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
331 V4L2_YCBCR_ENC_601)))
333 enum v4l2_quantization {
335 * The default for R'G'B' quantization is always full range, except
336 * for the BT2020 colorspace. For Y'CbCr the quantization is always
337 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709:
338 * those are full range.
340 V4L2_QUANTIZATION_DEFAULT = 0,
341 V4L2_QUANTIZATION_FULL_RANGE = 1,
342 V4L2_QUANTIZATION_LIM_RANGE = 2,
346 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
347 * This depends on whether the image is RGB or not, the colorspace and the
350 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \
351 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \
352 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
353 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
354 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
357 V4L2_PRIORITY_UNSET = 0, /* not initialized */
358 V4L2_PRIORITY_BACKGROUND = 1,
359 V4L2_PRIORITY_INTERACTIVE = 2,
360 V4L2_PRIORITY_RECORD = 3,
361 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
377 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
379 * @driver: name of the driver module (e.g. "bttv")
380 * @card: name of the card (e.g. "Hauppauge WinTV")
381 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
382 * @version: KERNEL_VERSION
383 * @capabilities: capabilities of the physical device as a whole
384 * @device_caps: capabilities accessed via this particular device (node)
385 * @reserved: reserved fields for future extensions
387 struct v4l2_capability {
397 /* Values for 'capabilities' field */
398 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
399 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
400 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
401 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
402 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
403 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
404 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
405 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
406 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
407 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
408 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
410 /* Is a video capture device that supports multiplanar formats */
411 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
412 /* Is a video output device that supports multiplanar formats */
413 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
414 /* Is a video mem-to-mem device that supports multiplanar formats */
415 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
416 /* Is a video mem-to-mem device */
417 #define V4L2_CAP_VIDEO_M2M 0x00008000
419 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
420 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
421 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
422 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
424 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
425 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
427 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
428 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
429 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
431 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
434 * V I D E O I M A G E F O R M A T
436 struct v4l2_pix_format {
440 __u32 field; /* enum v4l2_field */
441 __u32 bytesperline; /* for padding, zero if unused */
443 __u32 colorspace; /* enum v4l2_colorspace */
444 __u32 priv; /* private data, depends on pixelformat */
445 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
446 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */
447 __u32 quantization; /* enum v4l2_quantization */
448 __u32 xfer_func; /* enum v4l2_xfer_func */
451 /* Pixel format FOURCC depth Description */
454 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
455 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
456 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
457 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
458 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
459 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
460 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
461 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
462 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
463 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
464 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
465 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
466 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
467 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
468 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
469 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
470 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
471 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
472 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
473 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
474 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
477 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
478 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
479 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
480 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
481 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
482 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
483 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
485 /* Grey bit-packed formats */
486 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
488 /* Palette formats */
489 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
491 /* Chrominance formats */
492 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
494 /* Luminance+Chrominance formats */
495 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
496 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
497 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
498 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
499 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
500 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
501 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
502 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
503 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */
504 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
505 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
506 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
507 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
508 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
509 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
510 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
511 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
512 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
513 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
515 /* two planes -- one Y, one Cr + Cb interleaved */
516 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
517 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
518 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
519 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
520 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
521 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
523 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
524 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
525 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
526 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
527 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
528 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
529 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
531 /* three non contiguous planes - Y, Cb, Cr */
532 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
533 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
535 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
536 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
537 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
538 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
539 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
540 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
541 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
542 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
543 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
544 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
545 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
546 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
547 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
548 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
549 /* 10bit raw bayer a-law compressed to 8 bits */
550 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
551 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
552 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
553 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
554 /* 10bit raw bayer DPCM compressed to 8 bits */
555 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
556 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
557 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
558 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
559 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
560 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
561 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
562 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
563 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
565 /* compressed formats */
566 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
567 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
568 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
569 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
570 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
571 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
572 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
573 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
574 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
575 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
576 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
577 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
578 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
579 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
580 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
582 /* Vendor-specific formats */
583 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
584 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
585 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
586 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
587 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
588 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
589 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
590 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
591 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
592 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
593 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
594 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
595 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
596 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
597 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
598 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
599 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
600 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
601 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
602 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
603 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
604 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
605 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
606 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
607 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
608 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
610 /* SDR formats - used only for Software Defined Radio devices */
611 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
612 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
613 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
614 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
615 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
617 /* priv field value to indicates that subsequent fields are valid. */
618 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
621 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
624 * F O R M A T E N U M E R A T I O N
626 struct v4l2_fmtdesc {
627 __u32 index; /* Format number */
628 __u32 type; /* enum v4l2_buf_type */
630 __u8 description[32]; /* Description string */
631 __u32 pixelformat; /* Format fourcc */
635 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
636 #define V4L2_FMT_FLAG_EMULATED 0x0002
639 /* Experimental Frame Size and frame rate enumeration */
641 * F R A M E S I Z E E N U M E R A T I O N
643 enum v4l2_frmsizetypes {
644 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
645 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
646 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
649 struct v4l2_frmsize_discrete {
650 __u32 width; /* Frame width [pixel] */
651 __u32 height; /* Frame height [pixel] */
654 struct v4l2_frmsize_stepwise {
655 __u32 min_width; /* Minimum frame width [pixel] */
656 __u32 max_width; /* Maximum frame width [pixel] */
657 __u32 step_width; /* Frame width step size [pixel] */
658 __u32 min_height; /* Minimum frame height [pixel] */
659 __u32 max_height; /* Maximum frame height [pixel] */
660 __u32 step_height; /* Frame height step size [pixel] */
663 struct v4l2_frmsizeenum {
664 __u32 index; /* Frame size number */
665 __u32 pixel_format; /* Pixel format */
666 __u32 type; /* Frame size type the device supports. */
668 union { /* Frame size */
669 struct v4l2_frmsize_discrete discrete;
670 struct v4l2_frmsize_stepwise stepwise;
673 __u32 reserved[2]; /* Reserved space for future use */
677 * F R A M E R A T E E N U M E R A T I O N
679 enum v4l2_frmivaltypes {
680 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
681 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
682 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
685 struct v4l2_frmival_stepwise {
686 struct v4l2_fract min; /* Minimum frame interval [s] */
687 struct v4l2_fract max; /* Maximum frame interval [s] */
688 struct v4l2_fract step; /* Frame interval step size [s] */
691 struct v4l2_frmivalenum {
692 __u32 index; /* Frame format index */
693 __u32 pixel_format; /* Pixel format */
694 __u32 width; /* Frame width */
695 __u32 height; /* Frame height */
696 __u32 type; /* Frame interval type the device supports. */
698 union { /* Frame interval */
699 struct v4l2_fract discrete;
700 struct v4l2_frmival_stepwise stepwise;
703 __u32 reserved[2]; /* Reserved space for future use */
710 struct v4l2_timecode {
721 #define V4L2_TC_TYPE_24FPS 1
722 #define V4L2_TC_TYPE_25FPS 2
723 #define V4L2_TC_TYPE_30FPS 3
724 #define V4L2_TC_TYPE_50FPS 4
725 #define V4L2_TC_TYPE_60FPS 5
728 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
729 #define V4L2_TC_FLAG_COLORFRAME 0x0002
730 #define V4L2_TC_USERBITS_field 0x000C
731 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
732 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
733 /* The above is based on SMPTE timecodes */
735 struct v4l2_jpegcompression {
738 int APPn; /* Number of APP segment to be written,
740 int APP_len; /* Length of data in JPEG APPn segment */
741 char APP_data[60]; /* Data in the JPEG APPn segment. */
743 int COM_len; /* Length of data in JPEG COM segment */
744 char COM_data[60]; /* Data in JPEG COM segment */
746 __u32 jpeg_markers; /* Which markers should go into the JPEG
747 * output. Unless you exactly know what
748 * you do, leave them untouched.
749 * Including less markers will make the
750 * resulting code smaller, but there will
751 * be fewer applications which can read it.
752 * The presence of the APP and COM marker
753 * is influenced by APP_len and COM_len
754 * ONLY, not by this property! */
756 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
757 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
758 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
759 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
760 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
765 * M E M O R Y - M A P P I N G B U F F E R S
767 struct v4l2_requestbuffers {
769 __u32 type; /* enum v4l2_buf_type */
770 __u32 memory; /* enum v4l2_memory */
775 * struct v4l2_plane - plane info for multi-planar buffers
776 * @bytesused: number of bytes occupied by data in the plane (payload)
777 * @length: size of this plane (NOT the payload) in bytes
778 * @mem_offset: when memory in the associated struct v4l2_buffer is
779 * V4L2_MEMORY_MMAP, equals the offset from the start of
780 * the device memory for this plane (or is a "cookie" that
781 * should be passed to mmap() called on the video node)
782 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
783 * pointing to this plane
784 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
785 * descriptor associated with this plane
786 * @data_offset: offset in the plane to the start of data; usually 0,
787 * unless there is a header in front of the data
789 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
790 * with two planes can have one plane for Y, and another for interleaved CbCr
791 * components. Each plane can reside in a separate memory buffer, or even in
792 * a completely separate memory node (e.g. in embedded devices).
799 unsigned long userptr;
807 * struct v4l2_buffer - video buffer info
808 * @index: id number of the buffer
809 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
810 * multiplanar buffers);
811 * @bytesused: number of bytes occupied by data in the buffer (payload);
812 * unused (set to 0) for multiplanar buffers
813 * @flags: buffer informational flags
814 * @field: enum v4l2_field; field order of the image in the buffer
815 * @timestamp: frame timestamp
816 * @timecode: frame timecode
817 * @sequence: sequence count of this frame
818 * @memory: enum v4l2_memory; the method, in which the actual video data is
820 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
821 * offset from the start of the device memory for this plane,
822 * (or a "cookie" that should be passed to mmap() as offset)
823 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
824 * a userspace pointer pointing to this buffer
825 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
826 * a userspace file descriptor associated with this buffer
827 * @planes: for multiplanar buffers; userspace pointer to the array of plane
828 * info structs for this buffer
829 * @length: size in bytes of the buffer (NOT its payload) for single-plane
830 * buffers (when type != *_MPLANE); number of elements in the
831 * planes array for multi-plane buffers
833 * Contains data exchanged by application and driver using one of the Streaming
842 struct timeval timestamp;
843 struct v4l2_timecode timecode;
846 /* memory location */
850 unsigned long userptr;
851 struct v4l2_plane *planes;
859 /* Flags for 'flags' field */
860 /* Buffer is mapped (flag) */
861 #define V4L2_BUF_FLAG_MAPPED 0x00000001
862 /* Buffer is queued for processing */
863 #define V4L2_BUF_FLAG_QUEUED 0x00000002
864 /* Buffer is ready */
865 #define V4L2_BUF_FLAG_DONE 0x00000004
866 /* Image is a keyframe (I-frame) */
867 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
868 /* Image is a P-frame */
869 #define V4L2_BUF_FLAG_PFRAME 0x00000010
870 /* Image is a B-frame */
871 #define V4L2_BUF_FLAG_BFRAME 0x00000020
872 /* Buffer is ready, but the data contained within is corrupted. */
873 #define V4L2_BUF_FLAG_ERROR 0x00000040
874 /* timecode field is valid */
875 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
876 /* Buffer is prepared for queuing */
877 #define V4L2_BUF_FLAG_PREPARED 0x00000400
878 /* Cache handling flags */
879 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
880 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
882 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
883 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
884 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
885 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
886 /* Timestamp sources. */
887 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
888 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
889 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
890 /* mem2mem encoder/decoder */
891 #define V4L2_BUF_FLAG_LAST 0x00100000
894 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
896 * @index: id number of the buffer
897 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
898 * multiplanar buffers);
899 * @plane: index of the plane to be exported, 0 for single plane queues
900 * @flags: flags for newly created file, currently only O_CLOEXEC is
901 * supported, refer to manual of open syscall for more details
902 * @fd: file descriptor associated with DMABUF (set by driver)
904 * Contains data used for exporting a video buffer as DMABUF file descriptor.
905 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
906 * (identical to the cookie used to mmap() the buffer to userspace). All
907 * reserved fields must be set to zero. The field reserved0 is expected to
908 * become a structure 'type' allowing an alternative layout of the structure
909 * content. Therefore this field should not be used for any other extensions.
911 struct v4l2_exportbuffer {
912 __u32 type; /* enum v4l2_buf_type */
921 * O V E R L A Y P R E V I E W
923 struct v4l2_framebuffer {
926 /* FIXME: in theory we should pass something like PCI device + memory
927 * region + offset instead of some physical address */
933 __u32 field; /* enum v4l2_field */
934 __u32 bytesperline; /* for padding, zero if unused */
936 __u32 colorspace; /* enum v4l2_colorspace */
937 __u32 priv; /* reserved field, set to 0 */
940 /* Flags for the 'capability' field. Read only */
941 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
942 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
943 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
944 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
945 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
946 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
947 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
948 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
949 /* Flags for the 'flags' field. */
950 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
951 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
952 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
953 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
954 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
955 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
956 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
960 struct v4l2_clip __user *next;
965 __u32 field; /* enum v4l2_field */
967 struct v4l2_clip __user *clips;
974 * C A P T U R E P A R A M E T E R S
976 struct v4l2_captureparm {
977 __u32 capability; /* Supported modes */
978 __u32 capturemode; /* Current mode */
979 struct v4l2_fract timeperframe; /* Time per frame in seconds */
980 __u32 extendedmode; /* Driver-specific extensions */
981 __u32 readbuffers; /* # of buffers for read */
985 /* Flags for 'capability' and 'capturemode' fields */
986 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
987 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
989 struct v4l2_outputparm {
990 __u32 capability; /* Supported modes */
991 __u32 outputmode; /* Current mode */
992 struct v4l2_fract timeperframe; /* Time per frame in seconds */
993 __u32 extendedmode; /* Driver-specific extensions */
994 __u32 writebuffers; /* # of buffers for write */
999 * I N P U T I M A G E C R O P P I N G
1001 struct v4l2_cropcap {
1002 __u32 type; /* enum v4l2_buf_type */
1003 struct v4l2_rect bounds;
1004 struct v4l2_rect defrect;
1005 struct v4l2_fract pixelaspect;
1009 __u32 type; /* enum v4l2_buf_type */
1014 * struct v4l2_selection - selection info
1015 * @type: buffer type (do not use *_MPLANE types)
1016 * @target: Selection target, used to choose one of possible rectangles;
1017 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1018 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1019 * @r: coordinates of selection window
1020 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1022 * Hardware may use multiple helper windows to process a video stream.
1023 * The structure is used to exchange this selection areas between
1024 * an application and a driver.
1026 struct v4l2_selection {
1036 * A N A L O G V I D E O S T A N D A R D
1039 typedef __u64 v4l2_std_id;
1041 /* one bit for each */
1042 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1043 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1044 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1045 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1046 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1047 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1048 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1049 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1051 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1052 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1053 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1054 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1056 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1057 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1058 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1059 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1061 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1062 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1063 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1064 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1065 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1066 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1067 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1068 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1071 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1072 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1075 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1076 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1077 this value to 32 bits.
1078 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1079 it should work fine. However, if needed to add more than two standards,
1080 v4l2-common.c should be fixed.
1084 * Some macros to merge video standards in order to make live easier for the
1085 * drivers and V4L2 applications
1089 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1092 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1093 V4L2_STD_NTSC_M_JP |\
1096 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1099 /* All Secam Standards */
1100 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1103 V4L2_STD_SECAM_DK |\
1107 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1110 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1114 * "Common" PAL - This macro is there to be compatible with the old
1115 * V4L1 concept of "PAL": /BGDKHI.
1116 * Several PAL standards are missing here: /M, /N and /Nc
1118 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1122 /* Chroma "agnostic" standards */
1123 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1126 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1128 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1130 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1132 #define V4L2_STD_GH (V4L2_STD_G |\
1134 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1136 #define V4L2_STD_BG (V4L2_STD_B |\
1138 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1143 /* Standards where MTS/BTSC stereo could be found */
1144 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1149 /* Standards for Countries with 60Hz Line frequency */
1150 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1154 /* Standards for Countries with 50Hz Line frequency */
1155 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1160 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1161 V4L2_STD_ATSC_16_VSB)
1162 /* Macros with none and all analog standards */
1163 #define V4L2_STD_UNKNOWN 0
1164 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1167 struct v4l2_standard {
1171 struct v4l2_fract frameperiod; /* Frames, not fields */
1177 * D V B T T I M I N G S
1180 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1181 * @width: total width of the active video in pixels
1182 * @height: total height of the active video in lines
1183 * @interlaced: Interlaced or progressive
1184 * @polarities: Positive or negative polarities
1185 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1186 * @hfrontporch:Horizontal front porch in pixels
1187 * @hsync: Horizontal Sync length in pixels
1188 * @hbackporch: Horizontal back porch in pixels
1189 * @vfrontporch:Vertical front porch in lines
1190 * @vsync: Vertical Sync length in lines
1191 * @vbackporch: Vertical back porch in lines
1192 * @il_vfrontporch:Vertical front porch for the even field
1193 * (aka field 2) of interlaced field formats
1194 * @il_vsync: Vertical Sync length for the even field
1195 * (aka field 2) of interlaced field formats
1196 * @il_vbackporch:Vertical back porch for the even field
1197 * (aka field 2) of interlaced field formats
1198 * @standards: Standards the timing belongs to
1200 * @reserved: Reserved fields, must be zeroed.
1202 * A note regarding vertical interlaced timings: height refers to the total
1203 * height of the active video frame (= two fields). The blanking timings refer
1204 * to the blanking of each field. So the height of the total frame is
1205 * calculated as follows:
1207 * tot_height = height + vfrontporch + vsync + vbackporch +
1208 * il_vfrontporch + il_vsync + il_vbackporch
1210 * The active height of each field is height / 2.
1212 struct v4l2_bt_timings {
1224 __u32 il_vfrontporch;
1226 __u32 il_vbackporch;
1230 } __attribute__ ((packed));
1232 /* Interlaced or progressive format */
1233 #define V4L2_DV_PROGRESSIVE 0
1234 #define V4L2_DV_INTERLACED 1
1236 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1237 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1238 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1240 /* Timings standards */
1241 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1242 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1243 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1244 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1248 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1249 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1250 intervals are reduced, allowing a higher resolution over the same
1251 bandwidth. This is a read-only flag. */
1252 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1253 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1254 of six. These formats can be optionally played at 1 / 1.001 speed.
1255 This is a read-only flag. */
1256 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1257 /* CEA-861 specific: only valid for video transmitters, the flag is cleared
1259 If the framerate of the format is a multiple of six, then the pixelclock
1260 used to set up the transmitter is divided by 1.001 to make it compatible
1261 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1262 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1263 such frequencies, then the flag will also be cleared. */
1264 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1265 /* Specific to interlaced formats: if set, then field 1 is really one half-line
1266 longer and field 2 is really one half-line shorter, so each field has
1267 exactly the same number of half-lines. Whether half-lines can be detected
1268 or used depends on the hardware. */
1269 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1270 /* If set, then this is a Consumer Electronics (CE) video format. Such formats
1271 * differ from other formats (commonly called IT formats) in that if RGB
1272 * encoding is used then by default the RGB values use limited range (i.e.
1273 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1274 * except for the 640x480 format are CE formats. */
1275 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1277 /* A few useful defines to calculate the total blanking and frame sizes */
1278 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1279 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1280 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1281 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1282 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1283 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1284 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1285 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1286 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1288 /** struct v4l2_dv_timings - DV timings
1289 * @type: the type of the timings
1290 * @bt: BT656/1120 timings
1292 struct v4l2_dv_timings {
1295 struct v4l2_bt_timings bt;
1298 } __attribute__ ((packed));
1300 /* Values for the type field */
1301 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1304 /** struct v4l2_enum_dv_timings - DV timings enumeration
1305 * @index: enumeration index
1306 * @pad: the pad number for which to enumerate timings (used with
1307 * v4l-subdev nodes only)
1308 * @reserved: must be zeroed
1309 * @timings: the timings for the given index
1311 struct v4l2_enum_dv_timings {
1315 struct v4l2_dv_timings timings;
1318 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1319 * @min_width: width in pixels
1320 * @max_width: width in pixels
1321 * @min_height: height in lines
1322 * @max_height: height in lines
1323 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1324 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1325 * @standards: Supported standards
1326 * @capabilities: Supported capabilities
1327 * @reserved: Must be zeroed
1329 struct v4l2_bt_timings_cap {
1334 __u64 min_pixelclock;
1335 __u64 max_pixelclock;
1339 } __attribute__ ((packed));
1341 /* Supports interlaced formats */
1342 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1343 /* Supports progressive formats */
1344 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1345 /* Supports CVT/GTF reduced blanking */
1346 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1347 /* Supports custom formats */
1348 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1350 /** struct v4l2_dv_timings_cap - DV timings capabilities
1351 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1352 * @pad: the pad number for which to query capabilities (used with
1353 * v4l-subdev nodes only)
1354 * @bt: the BT656/1120 timings capabilities
1356 struct v4l2_dv_timings_cap {
1361 struct v4l2_bt_timings_cap bt;
1368 * V I D E O I N P U T S
1371 __u32 index; /* Which input */
1372 __u8 name[32]; /* Label */
1373 __u32 type; /* Type of input */
1374 __u32 audioset; /* Associated audios (bitfield) */
1375 __u32 tuner; /* enum v4l2_tuner_type */
1382 /* Values for the 'type' field */
1383 #define V4L2_INPUT_TYPE_TUNER 1
1384 #define V4L2_INPUT_TYPE_CAMERA 2
1386 /* field 'status' - general */
1387 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1388 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1389 #define V4L2_IN_ST_NO_COLOR 0x00000004
1391 /* field 'status' - sensor orientation */
1392 /* If sensor is mounted upside down set both bits */
1393 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1394 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1396 /* field 'status' - analog */
1397 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1398 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1400 /* field 'status' - digital */
1401 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1402 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1403 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1405 /* field 'status' - VCR and set-top box */
1406 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1407 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1408 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1410 /* capabilities flags */
1411 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1412 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1413 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1414 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1417 * V I D E O O U T P U T S
1419 struct v4l2_output {
1420 __u32 index; /* Which output */
1421 __u8 name[32]; /* Label */
1422 __u32 type; /* Type of output */
1423 __u32 audioset; /* Associated audios (bitfield) */
1424 __u32 modulator; /* Associated modulator */
1429 /* Values for the 'type' field */
1430 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1431 #define V4L2_OUTPUT_TYPE_ANALOG 2
1432 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1434 /* capabilities flags */
1435 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1436 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1437 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1438 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1443 struct v4l2_control {
1448 struct v4l2_ext_control {
1455 char __user *string;
1457 __u16 __user *p_u16;
1458 __u32 __user *p_u32;
1461 } __attribute__ ((packed));
1463 struct v4l2_ext_controls {
1468 struct v4l2_ext_control *controls;
1471 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1472 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1473 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1474 #define V4L2_CTRL_MAX_DIMS (4)
1476 enum v4l2_ctrl_type {
1477 V4L2_CTRL_TYPE_INTEGER = 1,
1478 V4L2_CTRL_TYPE_BOOLEAN = 2,
1479 V4L2_CTRL_TYPE_MENU = 3,
1480 V4L2_CTRL_TYPE_BUTTON = 4,
1481 V4L2_CTRL_TYPE_INTEGER64 = 5,
1482 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1483 V4L2_CTRL_TYPE_STRING = 7,
1484 V4L2_CTRL_TYPE_BITMASK = 8,
1485 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1487 /* Compound types are >= 0x0100 */
1488 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1489 V4L2_CTRL_TYPE_U8 = 0x0100,
1490 V4L2_CTRL_TYPE_U16 = 0x0101,
1491 V4L2_CTRL_TYPE_U32 = 0x0102,
1494 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1495 struct v4l2_queryctrl {
1497 __u32 type; /* enum v4l2_ctrl_type */
1498 __u8 name[32]; /* Whatever */
1499 __s32 minimum; /* Note signedness */
1502 __s32 default_value;
1507 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1508 struct v4l2_query_ext_ctrl {
1515 __s64 default_value;
1520 __u32 dims[V4L2_CTRL_MAX_DIMS];
1524 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1525 struct v4l2_querymenu {
1529 __u8 name[32]; /* Whatever */
1533 } __attribute__ ((packed));
1536 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1537 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1538 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1539 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1540 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1541 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1542 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1543 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1544 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1545 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1547 /* Query flags, to be ORed with the control ID */
1548 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1549 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1551 /* User-class control IDs defined by V4L2 */
1552 #define V4L2_CID_MAX_CTRLS 1024
1553 /* IDs reserved for driver specific controls */
1554 #define V4L2_CID_PRIVATE_BASE 0x08000000
1563 __u32 type; /* enum v4l2_tuner_type */
1574 struct v4l2_modulator {
1584 /* Flags for the 'capability' field */
1585 #define V4L2_TUNER_CAP_LOW 0x0001
1586 #define V4L2_TUNER_CAP_NORM 0x0002
1587 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1588 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1589 #define V4L2_TUNER_CAP_STEREO 0x0010
1590 #define V4L2_TUNER_CAP_LANG2 0x0020
1591 #define V4L2_TUNER_CAP_SAP 0x0020
1592 #define V4L2_TUNER_CAP_LANG1 0x0040
1593 #define V4L2_TUNER_CAP_RDS 0x0080
1594 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1595 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1596 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1597 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1598 #define V4L2_TUNER_CAP_1HZ 0x1000
1600 /* Flags for the 'rxsubchans' field */
1601 #define V4L2_TUNER_SUB_MONO 0x0001
1602 #define V4L2_TUNER_SUB_STEREO 0x0002
1603 #define V4L2_TUNER_SUB_LANG2 0x0004
1604 #define V4L2_TUNER_SUB_SAP 0x0004
1605 #define V4L2_TUNER_SUB_LANG1 0x0008
1606 #define V4L2_TUNER_SUB_RDS 0x0010
1608 /* Values for the 'audmode' field */
1609 #define V4L2_TUNER_MODE_MONO 0x0000
1610 #define V4L2_TUNER_MODE_STEREO 0x0001
1611 #define V4L2_TUNER_MODE_LANG2 0x0002
1612 #define V4L2_TUNER_MODE_SAP 0x0002
1613 #define V4L2_TUNER_MODE_LANG1 0x0003
1614 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1616 struct v4l2_frequency {
1618 __u32 type; /* enum v4l2_tuner_type */
1623 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1624 #define V4L2_BAND_MODULATION_FM (1 << 2)
1625 #define V4L2_BAND_MODULATION_AM (1 << 3)
1627 struct v4l2_frequency_band {
1629 __u32 type; /* enum v4l2_tuner_type */
1638 struct v4l2_hw_freq_seek {
1640 __u32 type; /* enum v4l2_tuner_type */
1653 struct v4l2_rds_data {
1657 } __attribute__ ((packed));
1659 #define V4L2_RDS_BLOCK_MSK 0x7
1660 #define V4L2_RDS_BLOCK_A 0
1661 #define V4L2_RDS_BLOCK_B 1
1662 #define V4L2_RDS_BLOCK_C 2
1663 #define V4L2_RDS_BLOCK_D 3
1664 #define V4L2_RDS_BLOCK_C_ALT 4
1665 #define V4L2_RDS_BLOCK_INVALID 7
1667 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1668 #define V4L2_RDS_BLOCK_ERROR 0x80
1681 /* Flags for the 'capability' field */
1682 #define V4L2_AUDCAP_STEREO 0x00001
1683 #define V4L2_AUDCAP_AVL 0x00002
1685 /* Flags for the 'mode' field */
1686 #define V4L2_AUDMODE_AVL 0x00001
1688 struct v4l2_audioout {
1697 * M P E G S E R V I C E S
1699 * NOTE: EXPERIMENTAL API
1702 #define V4L2_ENC_IDX_FRAME_I (0)
1703 #define V4L2_ENC_IDX_FRAME_P (1)
1704 #define V4L2_ENC_IDX_FRAME_B (2)
1705 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1707 struct v4l2_enc_idx_entry {
1715 #define V4L2_ENC_IDX_ENTRIES (64)
1716 struct v4l2_enc_idx {
1720 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1724 #define V4L2_ENC_CMD_START (0)
1725 #define V4L2_ENC_CMD_STOP (1)
1726 #define V4L2_ENC_CMD_PAUSE (2)
1727 #define V4L2_ENC_CMD_RESUME (3)
1729 /* Flags for V4L2_ENC_CMD_STOP */
1730 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1732 struct v4l2_encoder_cmd {
1742 /* Decoder commands */
1743 #define V4L2_DEC_CMD_START (0)
1744 #define V4L2_DEC_CMD_STOP (1)
1745 #define V4L2_DEC_CMD_PAUSE (2)
1746 #define V4L2_DEC_CMD_RESUME (3)
1748 /* Flags for V4L2_DEC_CMD_START */
1749 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1751 /* Flags for V4L2_DEC_CMD_PAUSE */
1752 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1754 /* Flags for V4L2_DEC_CMD_STOP */
1755 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1756 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1758 /* Play format requirements (returned by the driver): */
1760 /* The decoder has no special format requirements */
1761 #define V4L2_DEC_START_FMT_NONE (0)
1762 /* The decoder requires full GOPs */
1763 #define V4L2_DEC_START_FMT_GOP (1)
1765 /* The structure must be zeroed before use by the application
1766 This ensures it can be extended safely in the future. */
1767 struct v4l2_decoder_cmd {
1776 /* 0 or 1000 specifies normal speed,
1777 1 specifies forward single stepping,
1778 -1 specifies backward single stepping,
1779 >1: playback at speed/1000 of the normal speed,
1780 <-1: reverse playback at (-speed/1000) of the normal speed. */
1794 * D A T A S E R V I C E S ( V B I )
1796 * Data services API by Michael Schimek
1800 struct v4l2_vbi_format {
1801 __u32 sampling_rate; /* in 1 Hz */
1803 __u32 samples_per_line;
1804 __u32 sample_format; /* V4L2_PIX_FMT_* */
1807 __u32 flags; /* V4L2_VBI_* */
1808 __u32 reserved[2]; /* must be zero */
1812 #define V4L2_VBI_UNSYNC (1 << 0)
1813 #define V4L2_VBI_INTERLACED (1 << 1)
1815 /* ITU-R start lines for each field */
1816 #define V4L2_VBI_ITU_525_F1_START (1)
1817 #define V4L2_VBI_ITU_525_F2_START (264)
1818 #define V4L2_VBI_ITU_625_F1_START (1)
1819 #define V4L2_VBI_ITU_625_F2_START (314)
1823 * This implements is a proposal V4L2 API to allow SLICED VBI
1824 * required for some hardware encoders. It should change without
1825 * notice in the definitive implementation.
1828 struct v4l2_sliced_vbi_format {
1830 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1831 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1832 (equals frame lines 313-336 for 625 line video
1833 standards, 263-286 for 525 line standards) */
1834 __u16 service_lines[2][24];
1836 __u32 reserved[2]; /* must be zero */
1839 /* Teletext World System Teletext
1840 (WST), defined on ITU-R BT.653-2 */
1841 #define V4L2_SLICED_TELETEXT_B (0x0001)
1842 /* Video Program System, defined on ETS 300 231*/
1843 #define V4L2_SLICED_VPS (0x0400)
1844 /* Closed Caption, defined on EIA-608 */
1845 #define V4L2_SLICED_CAPTION_525 (0x1000)
1846 /* Wide Screen System, defined on ITU-R BT1119.1 */
1847 #define V4L2_SLICED_WSS_625 (0x4000)
1849 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
1850 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1852 struct v4l2_sliced_vbi_cap {
1854 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1855 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1856 (equals frame lines 313-336 for 625 line video
1857 standards, 263-286 for 525 line standards) */
1858 __u16 service_lines[2][24];
1859 __u32 type; /* enum v4l2_buf_type */
1860 __u32 reserved[3]; /* must be 0 */
1863 struct v4l2_sliced_vbi_data {
1865 __u32 field; /* 0: first field, 1: second field */
1866 __u32 line; /* 1-23 */
1867 __u32 reserved; /* must be 0 */
1872 * Sliced VBI data inserted into MPEG Streams
1876 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1878 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1879 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1882 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1883 * definitions are not included here. See the MPEG-2 specifications for details
1888 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
1889 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
1890 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
1891 #define V4L2_MPEG_VBI_IVTV_VPS (7)
1893 struct v4l2_mpeg_vbi_itv0_line {
1894 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
1895 __u8 data[42]; /* Sliced VBI data for the line */
1896 } __attribute__ ((packed));
1898 struct v4l2_mpeg_vbi_itv0 {
1899 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1900 struct v4l2_mpeg_vbi_itv0_line line[35];
1901 } __attribute__ ((packed));
1903 struct v4l2_mpeg_vbi_ITV0 {
1904 struct v4l2_mpeg_vbi_itv0_line line[36];
1905 } __attribute__ ((packed));
1907 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
1908 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
1910 struct v4l2_mpeg_vbi_fmt_ivtv {
1913 struct v4l2_mpeg_vbi_itv0 itv0;
1914 struct v4l2_mpeg_vbi_ITV0 ITV0;
1916 } __attribute__ ((packed));
1919 * A G G R E G A T E S T R U C T U R E S
1923 * struct v4l2_plane_pix_format - additional, per-plane format definition
1924 * @sizeimage: maximum size in bytes required for data, for which
1925 * this plane will be used
1926 * @bytesperline: distance in bytes between the leftmost pixels in two
1929 struct v4l2_plane_pix_format {
1933 } __attribute__ ((packed));
1936 * struct v4l2_pix_format_mplane - multiplanar format definition
1937 * @width: image width in pixels
1938 * @height: image height in pixels
1939 * @pixelformat: little endian four character code (fourcc)
1940 * @field: enum v4l2_field; field order (for interlaced video)
1941 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
1942 * @plane_fmt: per-plane information
1943 * @num_planes: number of planes for this format
1944 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
1945 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
1946 * @quantization: enum v4l2_quantization, colorspace quantization
1947 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
1949 struct v4l2_pix_format_mplane {
1956 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
1963 } __attribute__ ((packed));
1966 * struct v4l2_sdr_format - SDR format definition
1967 * @pixelformat: little endian four character code (fourcc)
1968 * @buffersize: maximum size in bytes required for data
1970 struct v4l2_sdr_format {
1974 } __attribute__ ((packed));
1977 * struct v4l2_format - stream data format
1978 * @type: enum v4l2_buf_type; type of the data stream
1979 * @pix: definition of an image format
1980 * @pix_mp: definition of a multiplanar image format
1981 * @win: definition of an overlaid image
1982 * @vbi: raw VBI capture or output parameters
1983 * @sliced: sliced VBI capture or output parameters
1984 * @raw_data: placeholder for future extensions and custom formats
1986 struct v4l2_format {
1989 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1990 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1991 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1992 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
1993 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1994 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
1995 __u8 raw_data[200]; /* user-defined */
1999 /* Stream type-dependent parameters
2001 struct v4l2_streamparm {
2002 __u32 type; /* enum v4l2_buf_type */
2004 struct v4l2_captureparm capture;
2005 struct v4l2_outputparm output;
2006 __u8 raw_data[200]; /* user-defined */
2014 #define V4L2_EVENT_ALL 0
2015 #define V4L2_EVENT_VSYNC 1
2016 #define V4L2_EVENT_EOS 2
2017 #define V4L2_EVENT_CTRL 3
2018 #define V4L2_EVENT_FRAME_SYNC 4
2019 #define V4L2_EVENT_SOURCE_CHANGE 5
2020 #define V4L2_EVENT_MOTION_DET 6
2021 #define V4L2_EVENT_PRIVATE_START 0x08000000
2023 /* Payload for V4L2_EVENT_VSYNC */
2024 struct v4l2_event_vsync {
2025 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2027 } __attribute__ ((packed));
2029 /* Payload for V4L2_EVENT_CTRL */
2030 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2031 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2032 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2034 struct v4l2_event_ctrl {
2045 __s32 default_value;
2048 struct v4l2_event_frame_sync {
2049 __u32 frame_sequence;
2052 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2054 struct v4l2_event_src_change {
2058 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2061 * struct v4l2_event_motion_det - motion detection event
2062 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2063 * frame_sequence field is valid.
2064 * @frame_sequence: the frame sequence number associated with this event.
2065 * @region_mask: which regions detected motion.
2067 struct v4l2_event_motion_det {
2069 __u32 frame_sequence;
2076 struct v4l2_event_vsync vsync;
2077 struct v4l2_event_ctrl ctrl;
2078 struct v4l2_event_frame_sync frame_sync;
2079 struct v4l2_event_src_change src_change;
2080 struct v4l2_event_motion_det motion_det;
2085 struct timespec timestamp;
2090 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2091 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2093 struct v4l2_event_subscription {
2101 * A D V A N C E D D E B U G G I N G
2103 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2104 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2107 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2109 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2110 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2112 /* The following four defines are no longer in use */
2113 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2114 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2115 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2116 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2118 struct v4l2_dbg_match {
2119 __u32 type; /* Match type */
2120 union { /* Match this chip, meaning determined by type */
2124 } __attribute__ ((packed));
2126 struct v4l2_dbg_register {
2127 struct v4l2_dbg_match match;
2128 __u32 size; /* register size in bytes */
2131 } __attribute__ ((packed));
2133 #define V4L2_CHIP_FL_READABLE (1 << 0)
2134 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2136 /* VIDIOC_DBG_G_CHIP_INFO */
2137 struct v4l2_dbg_chip_info {
2138 struct v4l2_dbg_match match;
2142 } __attribute__ ((packed));
2145 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2146 * @index: on return, index of the first created buffer
2147 * @count: entry: number of requested buffers,
2148 * return: number of created buffers
2149 * @memory: enum v4l2_memory; buffer memory type
2150 * @format: frame format, for which buffers are requested
2151 * @reserved: future extensions
2153 struct v4l2_create_buffers {
2157 struct v4l2_format format;
2162 * 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
2165 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2166 #define VIDIOC_RESERVED _IO('V', 1)
2167 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2168 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2169 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2170 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2171 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2172 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2173 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2174 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2175 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2176 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2177 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2178 #define VIDIOC_STREAMON _IOW('V', 18, int)
2179 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2180 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2181 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2182 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2183 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2184 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2185 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2186 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2187 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2188 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2189 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2190 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2191 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2192 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2193 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2194 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2195 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2196 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2197 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2198 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2199 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2200 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2201 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2202 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2203 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2204 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2205 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2206 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2207 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2208 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2209 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2210 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2211 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2212 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2213 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2214 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2215 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2216 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2217 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2218 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2219 #define VIDIOC_LOG_STATUS _IO('V', 70)
2220 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2221 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2222 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2223 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2224 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2225 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2226 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2227 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2229 /* Experimental, meant for debugging, testing and internal use.
2230 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2231 You must be root to use these ioctls. Never use these in applications! */
2232 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2233 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2235 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2237 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2238 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2239 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2240 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2241 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2243 /* Experimental, the below two ioctls may change over the next couple of kernel
2245 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2246 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2248 /* Experimental selection API */
2249 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2250 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2252 /* Experimental, these two ioctls may change over the next couple of kernel
2254 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2255 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2257 /* Experimental, these three ioctls may change over the next couple of kernel
2259 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2260 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2261 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2263 /* Experimental, this ioctl may change over the next couple of kernel
2265 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2267 /* Experimental, meant for debugging, testing and internal use.
2268 Never use these in applications! */
2269 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2271 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2273 /* Reminder: when adding new ioctls please add support for them to
2274 drivers/media/video/v4l2-compat-ioctl32.c as well! */
2276 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2278 #endif /* _UAPI__LINUX_VIDEODEV2_H */
projects / karo-tx-linux.git / blob