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
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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 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
149 /* Deprecated, do not use */
150 V4L2_BUF_TYPE_PRIVATE = 0x80,
153 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
154 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
157 #define V4L2_TYPE_IS_OUTPUT(type) \
158 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
160 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
161 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
162 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
163 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
164 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
166 enum v4l2_tuner_type {
167 V4L2_TUNER_RADIO = 1,
168 V4L2_TUNER_ANALOG_TV = 2,
169 V4L2_TUNER_DIGITAL_TV = 3,
174 /* Deprecated, do not use */
175 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
178 V4L2_MEMORY_MMAP = 1,
179 V4L2_MEMORY_USERPTR = 2,
180 V4L2_MEMORY_OVERLAY = 3,
181 V4L2_MEMORY_DMABUF = 4,
184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
185 enum v4l2_colorspace {
187 * Default colorspace, i.e. let the driver figure it out.
188 * Can only be used with video capture.
190 V4L2_COLORSPACE_DEFAULT = 0,
192 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
193 V4L2_COLORSPACE_SMPTE170M = 1,
195 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
196 V4L2_COLORSPACE_SMPTE240M = 2,
198 /* Rec.709: used for HDTV */
199 V4L2_COLORSPACE_REC709 = 3,
202 * Deprecated, do not use. No driver will ever return this. This was
203 * based on a misunderstanding of the bt878 datasheet.
205 V4L2_COLORSPACE_BT878 = 4,
208 * NTSC 1953 colorspace. This only makes sense when dealing with
209 * really, really old NTSC recordings. Superseded by SMPTE 170M.
211 V4L2_COLORSPACE_470_SYSTEM_M = 5,
214 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
215 * dealing with really old PAL/SECAM recordings. Superseded by
218 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
221 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
222 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
224 V4L2_COLORSPACE_JPEG = 7,
226 /* For RGB colorspaces such as produces by most webcams. */
227 V4L2_COLORSPACE_SRGB = 8,
229 /* AdobeRGB colorspace */
230 V4L2_COLORSPACE_ADOBERGB = 9,
232 /* BT.2020 colorspace, used for UHDTV. */
233 V4L2_COLORSPACE_BT2020 = 10,
235 /* Raw colorspace: for RAW unprocessed images */
236 V4L2_COLORSPACE_RAW = 11,
238 /* DCI-P3 colorspace, used by cinema projectors */
239 V4L2_COLORSPACE_DCI_P3 = 12,
243 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
244 * This depends on whether this is a SDTV image (use SMPTE 170M), an
245 * HDTV image (use Rec. 709), or something else (use sRGB).
247 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
248 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
249 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
251 enum v4l2_xfer_func {
253 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
254 * for the various colorspaces:
256 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
257 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
258 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
260 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
262 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
264 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
266 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
268 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
270 V4L2_XFER_FUNC_DEFAULT = 0,
271 V4L2_XFER_FUNC_709 = 1,
272 V4L2_XFER_FUNC_SRGB = 2,
273 V4L2_XFER_FUNC_ADOBERGB = 3,
274 V4L2_XFER_FUNC_SMPTE240M = 4,
275 V4L2_XFER_FUNC_NONE = 5,
276 V4L2_XFER_FUNC_DCI_P3 = 6,
277 V4L2_XFER_FUNC_SMPTE2084 = 7,
281 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
282 * This depends on the colorspace.
284 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
285 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
286 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
287 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
288 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
289 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
290 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
292 enum v4l2_ycbcr_encoding {
294 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
295 * various colorspaces:
297 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
298 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and
299 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
301 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
303 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC
305 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
307 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
309 V4L2_YCBCR_ENC_DEFAULT = 0,
311 /* ITU-R 601 -- SDTV */
312 V4L2_YCBCR_ENC_601 = 1,
314 /* Rec. 709 -- HDTV */
315 V4L2_YCBCR_ENC_709 = 2,
317 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
318 V4L2_YCBCR_ENC_XV601 = 3,
320 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
321 V4L2_YCBCR_ENC_XV709 = 4,
323 /* sYCC (Y'CbCr encoding of sRGB) */
324 V4L2_YCBCR_ENC_SYCC = 5,
326 /* BT.2020 Non-constant Luminance Y'CbCr */
327 V4L2_YCBCR_ENC_BT2020 = 6,
329 /* BT.2020 Constant Luminance Y'CbcCrc */
330 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
332 /* SMPTE 240M -- Obsolete HDTV */
333 V4L2_YCBCR_ENC_SMPTE240M = 8,
337 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
338 * This depends on the colorspace.
340 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
341 (((colsp) == V4L2_COLORSPACE_REC709 || \
342 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
343 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
344 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
345 V4L2_YCBCR_ENC_601)))
347 enum v4l2_quantization {
349 * The default for R'G'B' quantization is always full range, except
350 * for the BT2020 colorspace. For Y'CbCr the quantization is always
351 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709:
352 * those are full range.
354 V4L2_QUANTIZATION_DEFAULT = 0,
355 V4L2_QUANTIZATION_FULL_RANGE = 1,
356 V4L2_QUANTIZATION_LIM_RANGE = 2,
360 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
361 * This depends on whether the image is RGB or not, the colorspace and the
364 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \
365 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \
366 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
367 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
368 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
371 V4L2_PRIORITY_UNSET = 0, /* not initialized */
372 V4L2_PRIORITY_BACKGROUND = 1,
373 V4L2_PRIORITY_INTERACTIVE = 2,
374 V4L2_PRIORITY_RECORD = 3,
375 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
391 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
393 * @driver: name of the driver module (e.g. "bttv")
394 * @card: name of the card (e.g. "Hauppauge WinTV")
395 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
396 * @version: KERNEL_VERSION
397 * @capabilities: capabilities of the physical device as a whole
398 * @device_caps: capabilities accessed via this particular device (node)
399 * @reserved: reserved fields for future extensions
401 struct v4l2_capability {
411 /* Values for 'capabilities' field */
412 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
413 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
414 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
415 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
416 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
417 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
418 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
419 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
420 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
421 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
422 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
424 /* Is a video capture device that supports multiplanar formats */
425 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
426 /* Is a video output device that supports multiplanar formats */
427 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
428 /* Is a video mem-to-mem device that supports multiplanar formats */
429 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
430 /* Is a video mem-to-mem device */
431 #define V4L2_CAP_VIDEO_M2M 0x00008000
433 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
434 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
435 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
436 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
438 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
439 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
440 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
442 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
443 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
444 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
446 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
449 * V I D E O I M A G E F O R M A T
451 struct v4l2_pix_format {
455 __u32 field; /* enum v4l2_field */
456 __u32 bytesperline; /* for padding, zero if unused */
458 __u32 colorspace; /* enum v4l2_colorspace */
459 __u32 priv; /* private data, depends on pixelformat */
460 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
461 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */
462 __u32 quantization; /* enum v4l2_quantization */
463 __u32 xfer_func; /* enum v4l2_xfer_func */
466 /* Pixel format FOURCC depth Description */
469 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
470 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
471 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
472 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
473 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
474 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
475 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
476 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
477 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
478 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
479 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
480 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
481 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
482 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
483 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
484 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
485 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
486 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
487 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
488 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
489 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
492 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
493 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
494 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
495 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
496 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
497 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
498 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
500 /* Grey bit-packed formats */
501 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
503 /* Palette formats */
504 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
506 /* Chrominance formats */
507 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
509 /* Luminance+Chrominance formats */
510 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
511 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
512 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
513 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
514 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
515 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
516 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
517 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
518 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */
519 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
520 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
521 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
522 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
523 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
524 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
525 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
526 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
527 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
528 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
530 /* two planes -- one Y, one Cr + Cb interleaved */
531 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
532 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
533 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
534 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
535 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
536 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
538 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
539 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
540 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
541 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
542 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
543 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
544 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
546 /* three non contiguous planes - Y, Cb, Cr */
547 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
548 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
550 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
551 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
552 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
553 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
554 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
555 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
556 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
557 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
558 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
559 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
560 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
561 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
562 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
563 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
564 /* 10bit raw bayer a-law compressed to 8 bits */
565 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
566 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
567 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
568 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
569 /* 10bit raw bayer DPCM compressed to 8 bits */
570 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
571 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
572 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
573 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
574 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
575 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
576 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
577 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
578 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
580 /* compressed formats */
581 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
582 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
583 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
584 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
585 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
586 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
587 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
588 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
589 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
590 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
591 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
592 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
593 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
594 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
595 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
596 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
597 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frames */
599 /* Vendor-specific formats */
600 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
601 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
602 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
603 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
604 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
605 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
606 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
607 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
608 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
609 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
610 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
611 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
612 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
613 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
614 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
615 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
616 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
617 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
618 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
619 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
620 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
621 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
622 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
623 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
624 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
625 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
626 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
627 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
628 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
630 /* SDR formats - used only for Software Defined Radio devices */
631 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
632 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
633 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
634 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
635 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
637 /* priv field value to indicates that subsequent fields are valid. */
638 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
641 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
644 * F O R M A T E N U M E R A T I O N
646 struct v4l2_fmtdesc {
647 __u32 index; /* Format number */
648 __u32 type; /* enum v4l2_buf_type */
650 __u8 description[32]; /* Description string */
651 __u32 pixelformat; /* Format fourcc */
655 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
656 #define V4L2_FMT_FLAG_EMULATED 0x0002
659 /* Experimental Frame Size and frame rate enumeration */
661 * F R A M E S I Z E E N U M E R A T I O N
663 enum v4l2_frmsizetypes {
664 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
665 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
666 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
669 struct v4l2_frmsize_discrete {
670 __u32 width; /* Frame width [pixel] */
671 __u32 height; /* Frame height [pixel] */
674 struct v4l2_frmsize_stepwise {
675 __u32 min_width; /* Minimum frame width [pixel] */
676 __u32 max_width; /* Maximum frame width [pixel] */
677 __u32 step_width; /* Frame width step size [pixel] */
678 __u32 min_height; /* Minimum frame height [pixel] */
679 __u32 max_height; /* Maximum frame height [pixel] */
680 __u32 step_height; /* Frame height step size [pixel] */
683 struct v4l2_frmsizeenum {
684 __u32 index; /* Frame size number */
685 __u32 pixel_format; /* Pixel format */
686 __u32 type; /* Frame size type the device supports. */
688 union { /* Frame size */
689 struct v4l2_frmsize_discrete discrete;
690 struct v4l2_frmsize_stepwise stepwise;
693 __u32 reserved[2]; /* Reserved space for future use */
697 * F R A M E R A T E E N U M E R A T I O N
699 enum v4l2_frmivaltypes {
700 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
701 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
702 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
705 struct v4l2_frmival_stepwise {
706 struct v4l2_fract min; /* Minimum frame interval [s] */
707 struct v4l2_fract max; /* Maximum frame interval [s] */
708 struct v4l2_fract step; /* Frame interval step size [s] */
711 struct v4l2_frmivalenum {
712 __u32 index; /* Frame format index */
713 __u32 pixel_format; /* Pixel format */
714 __u32 width; /* Frame width */
715 __u32 height; /* Frame height */
716 __u32 type; /* Frame interval type the device supports. */
718 union { /* Frame interval */
719 struct v4l2_fract discrete;
720 struct v4l2_frmival_stepwise stepwise;
723 __u32 reserved[2]; /* Reserved space for future use */
730 struct v4l2_timecode {
741 #define V4L2_TC_TYPE_24FPS 1
742 #define V4L2_TC_TYPE_25FPS 2
743 #define V4L2_TC_TYPE_30FPS 3
744 #define V4L2_TC_TYPE_50FPS 4
745 #define V4L2_TC_TYPE_60FPS 5
748 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
749 #define V4L2_TC_FLAG_COLORFRAME 0x0002
750 #define V4L2_TC_USERBITS_field 0x000C
751 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
752 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
753 /* The above is based on SMPTE timecodes */
755 struct v4l2_jpegcompression {
758 int APPn; /* Number of APP segment to be written,
760 int APP_len; /* Length of data in JPEG APPn segment */
761 char APP_data[60]; /* Data in the JPEG APPn segment. */
763 int COM_len; /* Length of data in JPEG COM segment */
764 char COM_data[60]; /* Data in JPEG COM segment */
766 __u32 jpeg_markers; /* Which markers should go into the JPEG
767 * output. Unless you exactly know what
768 * you do, leave them untouched.
769 * Including less markers will make the
770 * resulting code smaller, but there will
771 * be fewer applications which can read it.
772 * The presence of the APP and COM marker
773 * is influenced by APP_len and COM_len
774 * ONLY, not by this property! */
776 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
777 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
778 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
779 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
780 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
785 * M E M O R Y - M A P P I N G B U F F E R S
787 struct v4l2_requestbuffers {
789 __u32 type; /* enum v4l2_buf_type */
790 __u32 memory; /* enum v4l2_memory */
795 * struct v4l2_plane - plane info for multi-planar buffers
796 * @bytesused: number of bytes occupied by data in the plane (payload)
797 * @length: size of this plane (NOT the payload) in bytes
798 * @mem_offset: when memory in the associated struct v4l2_buffer is
799 * V4L2_MEMORY_MMAP, equals the offset from the start of
800 * the device memory for this plane (or is a "cookie" that
801 * should be passed to mmap() called on the video node)
802 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
803 * pointing to this plane
804 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
805 * descriptor associated with this plane
806 * @data_offset: offset in the plane to the start of data; usually 0,
807 * unless there is a header in front of the data
809 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
810 * with two planes can have one plane for Y, and another for interleaved CbCr
811 * components. Each plane can reside in a separate memory buffer, or even in
812 * a completely separate memory node (e.g. in embedded devices).
819 unsigned long userptr;
827 * struct v4l2_buffer - video buffer info
828 * @index: id number of the buffer
829 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
830 * multiplanar buffers);
831 * @bytesused: number of bytes occupied by data in the buffer (payload);
832 * unused (set to 0) for multiplanar buffers
833 * @flags: buffer informational flags
834 * @field: enum v4l2_field; field order of the image in the buffer
835 * @timestamp: frame timestamp
836 * @timecode: frame timecode
837 * @sequence: sequence count of this frame
838 * @memory: enum v4l2_memory; the method, in which the actual video data is
840 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
841 * offset from the start of the device memory for this plane,
842 * (or a "cookie" that should be passed to mmap() as offset)
843 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
844 * a userspace pointer pointing to this buffer
845 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
846 * a userspace file descriptor associated with this buffer
847 * @planes: for multiplanar buffers; userspace pointer to the array of plane
848 * info structs for this buffer
849 * @length: size in bytes of the buffer (NOT its payload) for single-plane
850 * buffers (when type != *_MPLANE); number of elements in the
851 * planes array for multi-plane buffers
852 * @config_store: this buffer should use this configuration store
854 * Contains data exchanged by application and driver using one of the Streaming
863 struct timeval timestamp;
864 struct v4l2_timecode timecode;
867 /* memory location */
871 unsigned long userptr;
872 struct v4l2_plane *planes;
880 /* Flags for 'flags' field */
881 /* Buffer is mapped (flag) */
882 #define V4L2_BUF_FLAG_MAPPED 0x00000001
883 /* Buffer is queued for processing */
884 #define V4L2_BUF_FLAG_QUEUED 0x00000002
885 /* Buffer is ready */
886 #define V4L2_BUF_FLAG_DONE 0x00000004
887 /* Image is a keyframe (I-frame) */
888 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
889 /* Image is a P-frame */
890 #define V4L2_BUF_FLAG_PFRAME 0x00000010
891 /* Image is a B-frame */
892 #define V4L2_BUF_FLAG_BFRAME 0x00000020
893 /* Buffer is ready, but the data contained within is corrupted. */
894 #define V4L2_BUF_FLAG_ERROR 0x00000040
895 /* timecode field is valid */
896 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
897 /* Buffer is prepared for queuing */
898 #define V4L2_BUF_FLAG_PREPARED 0x00000400
899 /* Cache handling flags */
900 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
901 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
903 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
904 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
905 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
906 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
907 /* Timestamp sources. */
908 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
909 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
910 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
911 /* mem2mem encoder/decoder */
912 #define V4L2_BUF_FLAG_LAST 0x00100000
915 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
917 * @index: id number of the buffer
918 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
919 * multiplanar buffers);
920 * @plane: index of the plane to be exported, 0 for single plane queues
921 * @flags: flags for newly created file, currently only O_CLOEXEC is
922 * supported, refer to manual of open syscall for more details
923 * @fd: file descriptor associated with DMABUF (set by driver)
925 * Contains data used for exporting a video buffer as DMABUF file descriptor.
926 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
927 * (identical to the cookie used to mmap() the buffer to userspace). All
928 * reserved fields must be set to zero. The field reserved0 is expected to
929 * become a structure 'type' allowing an alternative layout of the structure
930 * content. Therefore this field should not be used for any other extensions.
932 struct v4l2_exportbuffer {
933 __u32 type; /* enum v4l2_buf_type */
942 * O V E R L A Y P R E V I E W
944 struct v4l2_framebuffer {
947 /* FIXME: in theory we should pass something like PCI device + memory
948 * region + offset instead of some physical address */
954 __u32 field; /* enum v4l2_field */
955 __u32 bytesperline; /* for padding, zero if unused */
957 __u32 colorspace; /* enum v4l2_colorspace */
958 __u32 priv; /* reserved field, set to 0 */
961 /* Flags for the 'capability' field. Read only */
962 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
963 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
964 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
965 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
966 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
967 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
968 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
969 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
970 /* Flags for the 'flags' field. */
971 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
972 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
973 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
974 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
975 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
976 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
977 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
981 struct v4l2_clip __user *next;
986 __u32 field; /* enum v4l2_field */
988 struct v4l2_clip __user *clips;
995 * C A P T U R E P A R A M E T E R S
997 struct v4l2_captureparm {
998 __u32 capability; /* Supported modes */
999 __u32 capturemode; /* Current mode */
1000 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1001 __u32 extendedmode; /* Driver-specific extensions */
1002 __u32 readbuffers; /* # of buffers for read */
1006 /* Flags for 'capability' and 'capturemode' fields */
1007 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1008 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1010 struct v4l2_outputparm {
1011 __u32 capability; /* Supported modes */
1012 __u32 outputmode; /* Current mode */
1013 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1014 __u32 extendedmode; /* Driver-specific extensions */
1015 __u32 writebuffers; /* # of buffers for write */
1020 * I N P U T I M A G E C R O P P I N G
1022 struct v4l2_cropcap {
1023 __u32 type; /* enum v4l2_buf_type */
1024 struct v4l2_rect bounds;
1025 struct v4l2_rect defrect;
1026 struct v4l2_fract pixelaspect;
1030 __u32 type; /* enum v4l2_buf_type */
1035 * struct v4l2_selection - selection info
1036 * @type: buffer type (do not use *_MPLANE types)
1037 * @target: Selection target, used to choose one of possible rectangles;
1038 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1039 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1040 * @r: coordinates of selection window
1041 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1043 * Hardware may use multiple helper windows to process a video stream.
1044 * The structure is used to exchange this selection areas between
1045 * an application and a driver.
1047 struct v4l2_selection {
1057 * A N A L O G V I D E O S T A N D A R D
1060 typedef __u64 v4l2_std_id;
1062 /* one bit for each */
1063 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1064 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1065 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1066 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1067 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1068 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1069 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1070 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1072 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1073 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1074 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1075 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1077 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1078 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1079 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1080 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1082 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1083 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1084 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1085 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1086 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1087 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1088 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1089 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1092 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1093 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1096 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1097 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1098 this value to 32 bits.
1099 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1100 it should work fine. However, if needed to add more than two standards,
1101 v4l2-common.c should be fixed.
1105 * Some macros to merge video standards in order to make live easier for the
1106 * drivers and V4L2 applications
1110 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1113 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1114 V4L2_STD_NTSC_M_JP |\
1117 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1120 /* All Secam Standards */
1121 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1124 V4L2_STD_SECAM_DK |\
1128 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1131 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1135 * "Common" PAL - This macro is there to be compatible with the old
1136 * V4L1 concept of "PAL": /BGDKHI.
1137 * Several PAL standards are missing here: /M, /N and /Nc
1139 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1143 /* Chroma "agnostic" standards */
1144 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1147 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1149 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1151 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1153 #define V4L2_STD_GH (V4L2_STD_G |\
1155 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1157 #define V4L2_STD_BG (V4L2_STD_B |\
1159 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1164 /* Standards where MTS/BTSC stereo could be found */
1165 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1170 /* Standards for Countries with 60Hz Line frequency */
1171 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1175 /* Standards for Countries with 50Hz Line frequency */
1176 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1181 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1182 V4L2_STD_ATSC_16_VSB)
1183 /* Macros with none and all analog standards */
1184 #define V4L2_STD_UNKNOWN 0
1185 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1188 struct v4l2_standard {
1192 struct v4l2_fract frameperiod; /* Frames, not fields */
1198 * D V B T T I M I N G S
1201 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1202 * @width: total width of the active video in pixels
1203 * @height: total height of the active video in lines
1204 * @interlaced: Interlaced or progressive
1205 * @polarities: Positive or negative polarities
1206 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1207 * @hfrontporch:Horizontal front porch in pixels
1208 * @hsync: Horizontal Sync length in pixels
1209 * @hbackporch: Horizontal back porch in pixels
1210 * @vfrontporch:Vertical front porch in lines
1211 * @vsync: Vertical Sync length in lines
1212 * @vbackporch: Vertical back porch in lines
1213 * @il_vfrontporch:Vertical front porch for the even field
1214 * (aka field 2) of interlaced field formats
1215 * @il_vsync: Vertical Sync length for the even field
1216 * (aka field 2) of interlaced field formats
1217 * @il_vbackporch:Vertical back porch for the even field
1218 * (aka field 2) of interlaced field formats
1219 * @standards: Standards the timing belongs to
1221 * @reserved: Reserved fields, must be zeroed.
1223 * A note regarding vertical interlaced timings: height refers to the total
1224 * height of the active video frame (= two fields). The blanking timings refer
1225 * to the blanking of each field. So the height of the total frame is
1226 * calculated as follows:
1228 * tot_height = height + vfrontporch + vsync + vbackporch +
1229 * il_vfrontporch + il_vsync + il_vbackporch
1231 * The active height of each field is height / 2.
1233 struct v4l2_bt_timings {
1245 __u32 il_vfrontporch;
1247 __u32 il_vbackporch;
1251 } __attribute__ ((packed));
1253 /* Interlaced or progressive format */
1254 #define V4L2_DV_PROGRESSIVE 0
1255 #define V4L2_DV_INTERLACED 1
1257 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1258 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1259 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1261 /* Timings standards */
1262 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1263 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1264 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1265 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1269 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1270 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1271 intervals are reduced, allowing a higher resolution over the same
1272 bandwidth. This is a read-only flag. */
1273 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1274 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1275 of six. These formats can be optionally played at 1 / 1.001 speed.
1276 This is a read-only flag. */
1277 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1278 /* CEA-861 specific: only valid for video transmitters, the flag is cleared
1280 If the framerate of the format is a multiple of six, then the pixelclock
1281 used to set up the transmitter is divided by 1.001 to make it compatible
1282 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1283 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1284 such frequencies, then the flag will also be cleared. */
1285 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1286 /* Specific to interlaced formats: if set, then field 1 is really one half-line
1287 longer and field 2 is really one half-line shorter, so each field has
1288 exactly the same number of half-lines. Whether half-lines can be detected
1289 or used depends on the hardware. */
1290 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1291 /* If set, then this is a Consumer Electronics (CE) video format. Such formats
1292 * differ from other formats (commonly called IT formats) in that if RGB
1293 * encoding is used then by default the RGB values use limited range (i.e.
1294 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1295 * except for the 640x480 format are CE formats. */
1296 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1298 /* A few useful defines to calculate the total blanking and frame sizes */
1299 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1300 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1301 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1302 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1303 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1304 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1305 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1306 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1307 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1309 /** struct v4l2_dv_timings - DV timings
1310 * @type: the type of the timings
1311 * @bt: BT656/1120 timings
1313 struct v4l2_dv_timings {
1316 struct v4l2_bt_timings bt;
1319 } __attribute__ ((packed));
1321 /* Values for the type field */
1322 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1325 /** struct v4l2_enum_dv_timings - DV timings enumeration
1326 * @index: enumeration index
1327 * @pad: the pad number for which to enumerate timings (used with
1328 * v4l-subdev nodes only)
1329 * @reserved: must be zeroed
1330 * @timings: the timings for the given index
1332 struct v4l2_enum_dv_timings {
1336 struct v4l2_dv_timings timings;
1339 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1340 * @min_width: width in pixels
1341 * @max_width: width in pixels
1342 * @min_height: height in lines
1343 * @max_height: height in lines
1344 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1345 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1346 * @standards: Supported standards
1347 * @capabilities: Supported capabilities
1348 * @reserved: Must be zeroed
1350 struct v4l2_bt_timings_cap {
1355 __u64 min_pixelclock;
1356 __u64 max_pixelclock;
1360 } __attribute__ ((packed));
1362 /* Supports interlaced formats */
1363 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1364 /* Supports progressive formats */
1365 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1366 /* Supports CVT/GTF reduced blanking */
1367 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1368 /* Supports custom formats */
1369 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1371 /** struct v4l2_dv_timings_cap - DV timings capabilities
1372 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1373 * @pad: the pad number for which to query capabilities (used with
1374 * v4l-subdev nodes only)
1375 * @bt: the BT656/1120 timings capabilities
1377 struct v4l2_dv_timings_cap {
1382 struct v4l2_bt_timings_cap bt;
1389 * V I D E O I N P U T S
1392 __u32 index; /* Which input */
1393 __u8 name[32]; /* Label */
1394 __u32 type; /* Type of input */
1395 __u32 audioset; /* Associated audios (bitfield) */
1396 __u32 tuner; /* enum v4l2_tuner_type */
1403 /* Values for the 'type' field */
1404 #define V4L2_INPUT_TYPE_TUNER 1
1405 #define V4L2_INPUT_TYPE_CAMERA 2
1407 /* field 'status' - general */
1408 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1409 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1410 #define V4L2_IN_ST_NO_COLOR 0x00000004
1412 /* field 'status' - sensor orientation */
1413 /* If sensor is mounted upside down set both bits */
1414 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1415 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1417 /* field 'status' - analog */
1418 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1419 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1421 /* field 'status' - digital */
1422 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1423 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1424 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1426 /* field 'status' - VCR and set-top box */
1427 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1428 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1429 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1431 /* capabilities flags */
1432 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1433 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1434 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1435 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1438 * V I D E O O U T P U T S
1440 struct v4l2_output {
1441 __u32 index; /* Which output */
1442 __u8 name[32]; /* Label */
1443 __u32 type; /* Type of output */
1444 __u32 audioset; /* Associated audios (bitfield) */
1445 __u32 modulator; /* Associated modulator */
1450 /* Values for the 'type' field */
1451 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1452 #define V4L2_OUTPUT_TYPE_ANALOG 2
1453 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1455 /* capabilities flags */
1456 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1457 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1458 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1459 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1464 struct v4l2_control {
1469 struct v4l2_ext_control {
1476 char __user *string;
1478 __u16 __user *p_u16;
1479 __u32 __user *p_u32;
1480 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1481 struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1482 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scal_mtrx;
1483 struct v4l2_ctrl_h264_slice_param __user *p_h264_slice_param;
1484 struct v4l2_ctrl_h264_decode_param __user *p_h264_decode_param;
1485 struct v4l2_ctrl_vp8_frame_hdr __user *p_vp8_frame_hdr;
1488 } __attribute__ ((packed));
1490 struct v4l2_ext_controls {
1501 struct v4l2_ext_control *controls;
1504 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1506 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1508 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1509 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1510 #define V4L2_CTRL_MAX_DIMS (4)
1511 #define V4L2_CTRL_WHICH_CUR_VAL 0
1512 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1514 enum v4l2_ctrl_type {
1515 V4L2_CTRL_TYPE_INTEGER = 1,
1516 V4L2_CTRL_TYPE_BOOLEAN = 2,
1517 V4L2_CTRL_TYPE_MENU = 3,
1518 V4L2_CTRL_TYPE_BUTTON = 4,
1519 V4L2_CTRL_TYPE_INTEGER64 = 5,
1520 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1521 V4L2_CTRL_TYPE_STRING = 7,
1522 V4L2_CTRL_TYPE_BITMASK = 8,
1523 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1525 /* Compound types are >= 0x0100 */
1526 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1527 V4L2_CTRL_TYPE_U8 = 0x0100,
1528 V4L2_CTRL_TYPE_U16 = 0x0101,
1529 V4L2_CTRL_TYPE_U32 = 0x0102,
1530 V4L2_CTRL_TYPE_H264_SPS = 0x0103,
1531 V4L2_CTRL_TYPE_H264_PPS = 0x0104,
1532 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0105,
1533 V4L2_CTRL_TYPE_H264_SLICE_PARAM = 0x0106,
1534 V4L2_CTRL_TYPE_H264_DECODE_PARAM = 0x0107,
1535 V4L2_CTRL_TYPE_VP8_FRAME_HDR = 0x108,
1537 V4L2_CTRL_TYPE_PRIVATE = 0xffff,
1540 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1541 struct v4l2_queryctrl {
1543 __u32 type; /* enum v4l2_ctrl_type */
1544 __u8 name[32]; /* Whatever */
1545 __s32 minimum; /* Note signedness */
1548 __s32 default_value;
1553 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1554 struct v4l2_query_ext_ctrl {
1561 __s64 default_value;
1566 __u32 dims[V4L2_CTRL_MAX_DIMS];
1570 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1571 struct v4l2_querymenu {
1575 __u8 name[32]; /* Whatever */
1579 } __attribute__ ((packed));
1582 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1583 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1584 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1585 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1586 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1587 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1588 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1589 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1590 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1591 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1592 #define V4L2_CTRL_FLAG_CAN_STORE 0x0400
1594 /* Query flags, to be ORed with the control ID */
1595 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1596 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1598 /* User-class control IDs defined by V4L2 */
1599 #define V4L2_CID_MAX_CTRLS 1024
1600 /* IDs reserved for driver specific controls */
1601 #define V4L2_CID_PRIVATE_BASE 0x08000000
1610 __u32 type; /* enum v4l2_tuner_type */
1621 struct v4l2_modulator {
1628 __u32 type; /* enum v4l2_tuner_type */
1632 /* Flags for the 'capability' field */
1633 #define V4L2_TUNER_CAP_LOW 0x0001
1634 #define V4L2_TUNER_CAP_NORM 0x0002
1635 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1636 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1637 #define V4L2_TUNER_CAP_STEREO 0x0010
1638 #define V4L2_TUNER_CAP_LANG2 0x0020
1639 #define V4L2_TUNER_CAP_SAP 0x0020
1640 #define V4L2_TUNER_CAP_LANG1 0x0040
1641 #define V4L2_TUNER_CAP_RDS 0x0080
1642 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1643 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1644 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1645 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1646 #define V4L2_TUNER_CAP_1HZ 0x1000
1648 /* Flags for the 'rxsubchans' field */
1649 #define V4L2_TUNER_SUB_MONO 0x0001
1650 #define V4L2_TUNER_SUB_STEREO 0x0002
1651 #define V4L2_TUNER_SUB_LANG2 0x0004
1652 #define V4L2_TUNER_SUB_SAP 0x0004
1653 #define V4L2_TUNER_SUB_LANG1 0x0008
1654 #define V4L2_TUNER_SUB_RDS 0x0010
1656 /* Values for the 'audmode' field */
1657 #define V4L2_TUNER_MODE_MONO 0x0000
1658 #define V4L2_TUNER_MODE_STEREO 0x0001
1659 #define V4L2_TUNER_MODE_LANG2 0x0002
1660 #define V4L2_TUNER_MODE_SAP 0x0002
1661 #define V4L2_TUNER_MODE_LANG1 0x0003
1662 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1664 struct v4l2_frequency {
1666 __u32 type; /* enum v4l2_tuner_type */
1671 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1672 #define V4L2_BAND_MODULATION_FM (1 << 2)
1673 #define V4L2_BAND_MODULATION_AM (1 << 3)
1675 struct v4l2_frequency_band {
1677 __u32 type; /* enum v4l2_tuner_type */
1686 struct v4l2_hw_freq_seek {
1688 __u32 type; /* enum v4l2_tuner_type */
1701 struct v4l2_rds_data {
1705 } __attribute__ ((packed));
1707 #define V4L2_RDS_BLOCK_MSK 0x7
1708 #define V4L2_RDS_BLOCK_A 0
1709 #define V4L2_RDS_BLOCK_B 1
1710 #define V4L2_RDS_BLOCK_C 2
1711 #define V4L2_RDS_BLOCK_D 3
1712 #define V4L2_RDS_BLOCK_C_ALT 4
1713 #define V4L2_RDS_BLOCK_INVALID 7
1715 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1716 #define V4L2_RDS_BLOCK_ERROR 0x80
1729 /* Flags for the 'capability' field */
1730 #define V4L2_AUDCAP_STEREO 0x00001
1731 #define V4L2_AUDCAP_AVL 0x00002
1733 /* Flags for the 'mode' field */
1734 #define V4L2_AUDMODE_AVL 0x00001
1736 struct v4l2_audioout {
1745 * M P E G S E R V I C E S
1747 * NOTE: EXPERIMENTAL API
1750 #define V4L2_ENC_IDX_FRAME_I (0)
1751 #define V4L2_ENC_IDX_FRAME_P (1)
1752 #define V4L2_ENC_IDX_FRAME_B (2)
1753 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1755 struct v4l2_enc_idx_entry {
1763 #define V4L2_ENC_IDX_ENTRIES (64)
1764 struct v4l2_enc_idx {
1768 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1772 #define V4L2_ENC_CMD_START (0)
1773 #define V4L2_ENC_CMD_STOP (1)
1774 #define V4L2_ENC_CMD_PAUSE (2)
1775 #define V4L2_ENC_CMD_RESUME (3)
1777 /* Flags for V4L2_ENC_CMD_STOP */
1778 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1780 struct v4l2_encoder_cmd {
1790 /* Decoder commands */
1791 #define V4L2_DEC_CMD_START (0)
1792 #define V4L2_DEC_CMD_STOP (1)
1793 #define V4L2_DEC_CMD_PAUSE (2)
1794 #define V4L2_DEC_CMD_RESUME (3)
1796 /* Flags for V4L2_DEC_CMD_START */
1797 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1799 /* Flags for V4L2_DEC_CMD_PAUSE */
1800 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1802 /* Flags for V4L2_DEC_CMD_STOP */
1803 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1804 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1806 /* Play format requirements (returned by the driver): */
1808 /* The decoder has no special format requirements */
1809 #define V4L2_DEC_START_FMT_NONE (0)
1810 /* The decoder requires full GOPs */
1811 #define V4L2_DEC_START_FMT_GOP (1)
1813 /* The structure must be zeroed before use by the application
1814 This ensures it can be extended safely in the future. */
1815 struct v4l2_decoder_cmd {
1824 /* 0 or 1000 specifies normal speed,
1825 1 specifies forward single stepping,
1826 -1 specifies backward single stepping,
1827 >1: playback at speed/1000 of the normal speed,
1828 <-1: reverse playback at (-speed/1000) of the normal speed. */
1842 * D A T A S E R V I C E S ( V B I )
1844 * Data services API by Michael Schimek
1848 struct v4l2_vbi_format {
1849 __u32 sampling_rate; /* in 1 Hz */
1851 __u32 samples_per_line;
1852 __u32 sample_format; /* V4L2_PIX_FMT_* */
1855 __u32 flags; /* V4L2_VBI_* */
1856 __u32 reserved[2]; /* must be zero */
1860 #define V4L2_VBI_UNSYNC (1 << 0)
1861 #define V4L2_VBI_INTERLACED (1 << 1)
1863 /* ITU-R start lines for each field */
1864 #define V4L2_VBI_ITU_525_F1_START (1)
1865 #define V4L2_VBI_ITU_525_F2_START (264)
1866 #define V4L2_VBI_ITU_625_F1_START (1)
1867 #define V4L2_VBI_ITU_625_F2_START (314)
1871 * This implements is a proposal V4L2 API to allow SLICED VBI
1872 * required for some hardware encoders. It should change without
1873 * notice in the definitive implementation.
1876 struct v4l2_sliced_vbi_format {
1878 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1879 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1880 (equals frame lines 313-336 for 625 line video
1881 standards, 263-286 for 525 line standards) */
1882 __u16 service_lines[2][24];
1884 __u32 reserved[2]; /* must be zero */
1887 /* Teletext World System Teletext
1888 (WST), defined on ITU-R BT.653-2 */
1889 #define V4L2_SLICED_TELETEXT_B (0x0001)
1890 /* Video Program System, defined on ETS 300 231*/
1891 #define V4L2_SLICED_VPS (0x0400)
1892 /* Closed Caption, defined on EIA-608 */
1893 #define V4L2_SLICED_CAPTION_525 (0x1000)
1894 /* Wide Screen System, defined on ITU-R BT1119.1 */
1895 #define V4L2_SLICED_WSS_625 (0x4000)
1897 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
1898 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1900 struct v4l2_sliced_vbi_cap {
1902 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1903 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1904 (equals frame lines 313-336 for 625 line video
1905 standards, 263-286 for 525 line standards) */
1906 __u16 service_lines[2][24];
1907 __u32 type; /* enum v4l2_buf_type */
1908 __u32 reserved[3]; /* must be 0 */
1911 struct v4l2_sliced_vbi_data {
1913 __u32 field; /* 0: first field, 1: second field */
1914 __u32 line; /* 1-23 */
1915 __u32 reserved; /* must be 0 */
1920 * Sliced VBI data inserted into MPEG Streams
1924 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1926 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1927 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1930 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1931 * definitions are not included here. See the MPEG-2 specifications for details
1936 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
1937 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
1938 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
1939 #define V4L2_MPEG_VBI_IVTV_VPS (7)
1941 struct v4l2_mpeg_vbi_itv0_line {
1942 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
1943 __u8 data[42]; /* Sliced VBI data for the line */
1944 } __attribute__ ((packed));
1946 struct v4l2_mpeg_vbi_itv0 {
1947 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1948 struct v4l2_mpeg_vbi_itv0_line line[35];
1949 } __attribute__ ((packed));
1951 struct v4l2_mpeg_vbi_ITV0 {
1952 struct v4l2_mpeg_vbi_itv0_line line[36];
1953 } __attribute__ ((packed));
1955 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
1956 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
1958 struct v4l2_mpeg_vbi_fmt_ivtv {
1961 struct v4l2_mpeg_vbi_itv0 itv0;
1962 struct v4l2_mpeg_vbi_ITV0 ITV0;
1964 } __attribute__ ((packed));
1967 * A G G R E G A T E S T R U C T U R E S
1971 * struct v4l2_plane_pix_format - additional, per-plane format definition
1972 * @sizeimage: maximum size in bytes required for data, for which
1973 * this plane will be used
1974 * @bytesperline: distance in bytes between the leftmost pixels in two
1977 struct v4l2_plane_pix_format {
1981 } __attribute__ ((packed));
1984 * struct v4l2_pix_format_mplane - multiplanar format definition
1985 * @width: image width in pixels
1986 * @height: image height in pixels
1987 * @pixelformat: little endian four character code (fourcc)
1988 * @field: enum v4l2_field; field order (for interlaced video)
1989 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
1990 * @plane_fmt: per-plane information
1991 * @num_planes: number of planes for this format
1992 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
1993 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
1994 * @quantization: enum v4l2_quantization, colorspace quantization
1995 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
1997 struct v4l2_pix_format_mplane {
2004 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2011 } __attribute__ ((packed));
2014 * struct v4l2_sdr_format - SDR format definition
2015 * @pixelformat: little endian four character code (fourcc)
2016 * @buffersize: maximum size in bytes required for data
2018 struct v4l2_sdr_format {
2022 } __attribute__ ((packed));
2025 * struct v4l2_format - stream data format
2026 * @type: enum v4l2_buf_type; type of the data stream
2027 * @pix: definition of an image format
2028 * @pix_mp: definition of a multiplanar image format
2029 * @win: definition of an overlaid image
2030 * @vbi: raw VBI capture or output parameters
2031 * @sliced: sliced VBI capture or output parameters
2032 * @raw_data: placeholder for future extensions and custom formats
2034 struct v4l2_format {
2037 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2038 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2039 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2040 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2041 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2042 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2043 __u8 raw_data[200]; /* user-defined */
2047 /* Stream type-dependent parameters
2049 struct v4l2_streamparm {
2050 __u32 type; /* enum v4l2_buf_type */
2052 struct v4l2_captureparm capture;
2053 struct v4l2_outputparm output;
2054 __u8 raw_data[200]; /* user-defined */
2062 #define V4L2_EVENT_ALL 0
2063 #define V4L2_EVENT_VSYNC 1
2064 #define V4L2_EVENT_EOS 2
2065 #define V4L2_EVENT_CTRL 3
2066 #define V4L2_EVENT_FRAME_SYNC 4
2067 #define V4L2_EVENT_SOURCE_CHANGE 5
2068 #define V4L2_EVENT_MOTION_DET 6
2069 #define V4L2_EVENT_PRIVATE_START 0x08000000
2071 /* Payload for V4L2_EVENT_VSYNC */
2072 struct v4l2_event_vsync {
2073 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2075 } __attribute__ ((packed));
2077 /* Payload for V4L2_EVENT_CTRL */
2078 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2079 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2080 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2082 struct v4l2_event_ctrl {
2093 __s32 default_value;
2096 struct v4l2_event_frame_sync {
2097 __u32 frame_sequence;
2100 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2102 struct v4l2_event_src_change {
2106 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2109 * struct v4l2_event_motion_det - motion detection event
2110 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2111 * frame_sequence field is valid.
2112 * @frame_sequence: the frame sequence number associated with this event.
2113 * @region_mask: which regions detected motion.
2115 struct v4l2_event_motion_det {
2117 __u32 frame_sequence;
2124 struct v4l2_event_vsync vsync;
2125 struct v4l2_event_ctrl ctrl;
2126 struct v4l2_event_frame_sync frame_sync;
2127 struct v4l2_event_src_change src_change;
2128 struct v4l2_event_motion_det motion_det;
2133 struct timespec timestamp;
2138 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2139 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2141 struct v4l2_event_subscription {
2149 * A D V A N C E D D E B U G G I N G
2151 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2152 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2155 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2157 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2158 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2160 /* The following four defines are no longer in use */
2161 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2162 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2163 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2164 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2166 struct v4l2_dbg_match {
2167 __u32 type; /* Match type */
2168 union { /* Match this chip, meaning determined by type */
2172 } __attribute__ ((packed));
2174 struct v4l2_dbg_register {
2175 struct v4l2_dbg_match match;
2176 __u32 size; /* register size in bytes */
2179 } __attribute__ ((packed));
2181 #define V4L2_CHIP_FL_READABLE (1 << 0)
2182 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2184 /* VIDIOC_DBG_G_CHIP_INFO */
2185 struct v4l2_dbg_chip_info {
2186 struct v4l2_dbg_match match;
2190 } __attribute__ ((packed));
2193 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2194 * @index: on return, index of the first created buffer
2195 * @count: entry: number of requested buffers,
2196 * return: number of created buffers
2197 * @memory: enum v4l2_memory; buffer memory type
2198 * @format: frame format, for which buffers are requested
2199 * @reserved: future extensions
2201 struct v4l2_create_buffers {
2205 struct v4l2_format format;
2210 * 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
2213 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2214 #define VIDIOC_RESERVED _IO('V', 1)
2215 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2216 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2217 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2218 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2219 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2220 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2221 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2222 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2223 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2224 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2225 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2226 #define VIDIOC_STREAMON _IOW('V', 18, int)
2227 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2228 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2229 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2230 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2231 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2232 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2233 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2234 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2235 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2236 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2237 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2238 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2239 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2240 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2241 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2242 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2243 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2244 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2245 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2246 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2247 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2248 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2249 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2250 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2251 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2252 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2253 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2254 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2255 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2256 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2257 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2258 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2259 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2260 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2261 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2262 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2263 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2264 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2265 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2266 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2267 #define VIDIOC_LOG_STATUS _IO('V', 70)
2268 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2269 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2270 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2271 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2272 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2273 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2274 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2275 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2277 /* Experimental, meant for debugging, testing and internal use.
2278 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2279 You must be root to use these ioctls. Never use these in applications! */
2280 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2281 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2283 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2285 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2286 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2287 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2288 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2289 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2291 /* Experimental, the below two ioctls may change over the next couple of kernel
2293 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2294 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2296 /* Experimental selection API */
2297 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2298 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2300 /* Experimental, these two ioctls may change over the next couple of kernel
2302 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2303 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2305 /* Experimental, these three ioctls may change over the next couple of kernel
2307 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2308 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2309 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2311 /* Experimental, this ioctl may change over the next couple of kernel
2313 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2315 /* Experimental, meant for debugging, testing and internal use.
2316 Never use these in applications! */
2317 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2319 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2321 /* Reminder: when adding new ioctls please add support for them to
2322 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2324 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2326 #endif /* _UAPI__LINUX_VIDEODEV2_H */