videodev2.h 90 KB

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  1. /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
  2. /*
  3. * Video for Linux Two header file
  4. *
  5. * Copyright (C) 1999-2012 the contributors
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * Alternatively you can redistribute this file under the terms of the
  18. * BSD license as stated below:
  19. *
  20. * Redistribution and use in source and binary forms, with or without
  21. * modification, are permitted provided that the following conditions
  22. * are met:
  23. * 1. Redistributions of source code must retain the above copyright
  24. * notice, this list of conditions and the following disclaimer.
  25. * 2. Redistributions in binary form must reproduce the above copyright
  26. * notice, this list of conditions and the following disclaimer in
  27. * the documentation and/or other materials provided with the
  28. * distribution.
  29. * 3. The names of its contributors may not be used to endorse or promote
  30. * products derived from this software without specific prior written
  31. * permission.
  32. *
  33. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  36. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  38. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  39. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  40. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  41. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  42. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  43. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44. *
  45. * Header file for v4l or V4L2 drivers and applications
  46. * with public API.
  47. * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  48. * no #if __KERNEL tests are allowed here
  49. *
  50. * See https://linuxtv.org for more info
  51. *
  52. * Author: Bill Dirks <bill@thedirks.org>
  53. * Justin Schoeman
  54. * Hans Verkuil <hverkuil@xs4all.nl>
  55. * et al.
  56. */
  57. #ifndef _UAPI__LINUX_VIDEODEV2_H
  58. #define _UAPI__LINUX_VIDEODEV2_H
  59. #ifndef __KERNEL__
  60. #include <sys/time.h>
  61. #endif
  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>
  67. /*
  68. * Common stuff for both V4L1 and V4L2
  69. * Moved from videodev.h
  70. */
  71. #define VIDEO_MAX_FRAME 64
  72. #define VIDEO_MAX_PLANES 8
  73. /*
  74. * M I S C E L L A N E O U S
  75. */
  76. /* Four-character-code (FOURCC) */
  77. #define v4l2_fourcc(a, b, c, d)\
  78. ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  79. #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
  80. /*
  81. * E N U M S
  82. */
  83. enum v4l2_field {
  84. V4L2_FIELD_ANY = 0, /* driver can choose from none,
  85. top, bottom, interlaced
  86. depending on whatever it thinks
  87. is approximate ... */
  88. V4L2_FIELD_NONE = 1, /* this device has no fields ... */
  89. V4L2_FIELD_TOP = 2, /* top field only */
  90. V4L2_FIELD_BOTTOM = 3, /* bottom field only */
  91. V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
  92. V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
  93. buffer, top-bottom order */
  94. V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
  95. V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
  96. separate buffers */
  97. V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  98. first and the top field is
  99. transmitted first */
  100. V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  101. first and the bottom field is
  102. transmitted first */
  103. };
  104. #define V4L2_FIELD_HAS_TOP(field) \
  105. ((field) == V4L2_FIELD_TOP ||\
  106. (field) == V4L2_FIELD_INTERLACED ||\
  107. (field) == V4L2_FIELD_INTERLACED_TB ||\
  108. (field) == V4L2_FIELD_INTERLACED_BT ||\
  109. (field) == V4L2_FIELD_SEQ_TB ||\
  110. (field) == V4L2_FIELD_SEQ_BT)
  111. #define V4L2_FIELD_HAS_BOTTOM(field) \
  112. ((field) == V4L2_FIELD_BOTTOM ||\
  113. (field) == V4L2_FIELD_INTERLACED ||\
  114. (field) == V4L2_FIELD_INTERLACED_TB ||\
  115. (field) == V4L2_FIELD_INTERLACED_BT ||\
  116. (field) == V4L2_FIELD_SEQ_TB ||\
  117. (field) == V4L2_FIELD_SEQ_BT)
  118. #define V4L2_FIELD_HAS_BOTH(field) \
  119. ((field) == V4L2_FIELD_INTERLACED ||\
  120. (field) == V4L2_FIELD_INTERLACED_TB ||\
  121. (field) == V4L2_FIELD_INTERLACED_BT ||\
  122. (field) == V4L2_FIELD_SEQ_TB ||\
  123. (field) == V4L2_FIELD_SEQ_BT)
  124. #define V4L2_FIELD_HAS_T_OR_B(field) \
  125. ((field) == V4L2_FIELD_BOTTOM ||\
  126. (field) == V4L2_FIELD_TOP ||\
  127. (field) == V4L2_FIELD_ALTERNATE)
  128. enum v4l2_buf_type {
  129. V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
  130. V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
  131. V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
  132. V4L2_BUF_TYPE_VBI_CAPTURE = 4,
  133. V4L2_BUF_TYPE_VBI_OUTPUT = 5,
  134. V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
  135. V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
  136. V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  137. V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
  138. V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
  139. V4L2_BUF_TYPE_SDR_CAPTURE = 11,
  140. V4L2_BUF_TYPE_SDR_OUTPUT = 12,
  141. V4L2_BUF_TYPE_META_CAPTURE = 13,
  142. V4L2_BUF_TYPE_META_OUTPUT = 14,
  143. /* Deprecated, do not use */
  144. V4L2_BUF_TYPE_PRIVATE = 0x80,
  145. };
  146. #define V4L2_TYPE_IS_MULTIPLANAR(type) \
  147. ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
  148. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
  149. #define V4L2_TYPE_IS_OUTPUT(type) \
  150. ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
  151. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
  152. || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
  153. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
  154. || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
  155. || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
  156. || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
  157. enum v4l2_tuner_type {
  158. V4L2_TUNER_RADIO = 1,
  159. V4L2_TUNER_ANALOG_TV = 2,
  160. V4L2_TUNER_DIGITAL_TV = 3,
  161. V4L2_TUNER_SDR = 4,
  162. V4L2_TUNER_RF = 5,
  163. };
  164. /* Deprecated, do not use */
  165. #define V4L2_TUNER_ADC V4L2_TUNER_SDR
  166. enum v4l2_memory {
  167. V4L2_MEMORY_MMAP = 1,
  168. V4L2_MEMORY_USERPTR = 2,
  169. V4L2_MEMORY_OVERLAY = 3,
  170. V4L2_MEMORY_DMABUF = 4,
  171. };
  172. /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  173. enum v4l2_colorspace {
  174. /*
  175. * Default colorspace, i.e. let the driver figure it out.
  176. * Can only be used with video capture.
  177. */
  178. V4L2_COLORSPACE_DEFAULT = 0,
  179. /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
  180. V4L2_COLORSPACE_SMPTE170M = 1,
  181. /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
  182. V4L2_COLORSPACE_SMPTE240M = 2,
  183. /* Rec.709: used for HDTV */
  184. V4L2_COLORSPACE_REC709 = 3,
  185. /*
  186. * Deprecated, do not use. No driver will ever return this. This was
  187. * based on a misunderstanding of the bt878 datasheet.
  188. */
  189. V4L2_COLORSPACE_BT878 = 4,
  190. /*
  191. * NTSC 1953 colorspace. This only makes sense when dealing with
  192. * really, really old NTSC recordings. Superseded by SMPTE 170M.
  193. */
  194. V4L2_COLORSPACE_470_SYSTEM_M = 5,
  195. /*
  196. * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
  197. * dealing with really old PAL/SECAM recordings. Superseded by
  198. * SMPTE 170M.
  199. */
  200. V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  201. /*
  202. * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
  203. * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
  204. */
  205. V4L2_COLORSPACE_JPEG = 7,
  206. /* For RGB colorspaces such as produces by most webcams. */
  207. V4L2_COLORSPACE_SRGB = 8,
  208. /* AdobeRGB colorspace */
  209. V4L2_COLORSPACE_ADOBERGB = 9,
  210. /* BT.2020 colorspace, used for UHDTV. */
  211. V4L2_COLORSPACE_BT2020 = 10,
  212. /* Raw colorspace: for RAW unprocessed images */
  213. V4L2_COLORSPACE_RAW = 11,
  214. /* DCI-P3 colorspace, used by cinema projectors */
  215. V4L2_COLORSPACE_DCI_P3 = 12,
  216. };
  217. /*
  218. * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
  219. * This depends on whether this is a SDTV image (use SMPTE 170M), an
  220. * HDTV image (use Rec. 709), or something else (use sRGB).
  221. */
  222. #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
  223. ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
  224. ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
  225. enum v4l2_xfer_func {
  226. /*
  227. * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
  228. * for the various colorspaces:
  229. *
  230. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  231. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
  232. * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
  233. *
  234. * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
  235. *
  236. * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
  237. *
  238. * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
  239. *
  240. * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
  241. *
  242. * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
  243. */
  244. V4L2_XFER_FUNC_DEFAULT = 0,
  245. V4L2_XFER_FUNC_709 = 1,
  246. V4L2_XFER_FUNC_SRGB = 2,
  247. V4L2_XFER_FUNC_ADOBERGB = 3,
  248. V4L2_XFER_FUNC_SMPTE240M = 4,
  249. V4L2_XFER_FUNC_NONE = 5,
  250. V4L2_XFER_FUNC_DCI_P3 = 6,
  251. V4L2_XFER_FUNC_SMPTE2084 = 7,
  252. };
  253. /*
  254. * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
  255. * This depends on the colorspace.
  256. */
  257. #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
  258. ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
  259. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
  260. ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
  261. ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
  262. ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
  263. V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
  264. enum v4l2_ycbcr_encoding {
  265. /*
  266. * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
  267. * various colorspaces:
  268. *
  269. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  270. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
  271. * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
  272. *
  273. * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
  274. *
  275. * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
  276. *
  277. * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
  278. */
  279. V4L2_YCBCR_ENC_DEFAULT = 0,
  280. /* ITU-R 601 -- SDTV */
  281. V4L2_YCBCR_ENC_601 = 1,
  282. /* Rec. 709 -- HDTV */
  283. V4L2_YCBCR_ENC_709 = 2,
  284. /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
  285. V4L2_YCBCR_ENC_XV601 = 3,
  286. /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
  287. V4L2_YCBCR_ENC_XV709 = 4,
  288. #ifndef __KERNEL__
  289. /*
  290. * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
  291. * originally due to a misunderstanding of the sYCC standard. It should
  292. * not be used, instead use V4L2_YCBCR_ENC_601.
  293. */
  294. V4L2_YCBCR_ENC_SYCC = 5,
  295. #endif
  296. /* BT.2020 Non-constant Luminance Y'CbCr */
  297. V4L2_YCBCR_ENC_BT2020 = 6,
  298. /* BT.2020 Constant Luminance Y'CbcCrc */
  299. V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
  300. /* SMPTE 240M -- Obsolete HDTV */
  301. V4L2_YCBCR_ENC_SMPTE240M = 8,
  302. };
  303. /*
  304. * enum v4l2_hsv_encoding values should not collide with the ones from
  305. * enum v4l2_ycbcr_encoding.
  306. */
  307. enum v4l2_hsv_encoding {
  308. /* Hue mapped to 0 - 179 */
  309. V4L2_HSV_ENC_180 = 128,
  310. /* Hue mapped to 0-255 */
  311. V4L2_HSV_ENC_256 = 129,
  312. };
  313. /*
  314. * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  315. * This depends on the colorspace.
  316. */
  317. #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
  318. (((colsp) == V4L2_COLORSPACE_REC709 || \
  319. (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
  320. ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
  321. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
  322. V4L2_YCBCR_ENC_601)))
  323. enum v4l2_quantization {
  324. /*
  325. * The default for R'G'B' quantization is always full range.
  326. * For Y'CbCr the quantization is always limited range, except
  327. * for COLORSPACE_JPEG: this is full range.
  328. */
  329. V4L2_QUANTIZATION_DEFAULT = 0,
  330. V4L2_QUANTIZATION_FULL_RANGE = 1,
  331. V4L2_QUANTIZATION_LIM_RANGE = 2,
  332. };
  333. /*
  334. * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
  335. * This depends on whether the image is RGB or not, the colorspace.
  336. * The Y'CbCr encoding is not used anymore, but is still there for backwards
  337. * compatibility.
  338. */
  339. #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
  340. (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
  341. V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
  342. enum v4l2_priority {
  343. V4L2_PRIORITY_UNSET = 0, /* not initialized */
  344. V4L2_PRIORITY_BACKGROUND = 1,
  345. V4L2_PRIORITY_INTERACTIVE = 2,
  346. V4L2_PRIORITY_RECORD = 3,
  347. V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
  348. };
  349. struct v4l2_rect {
  350. __s32 left;
  351. __s32 top;
  352. __u32 width;
  353. __u32 height;
  354. };
  355. struct v4l2_fract {
  356. __u32 numerator;
  357. __u32 denominator;
  358. };
  359. /**
  360. * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
  361. *
  362. * @driver: name of the driver module (e.g. "bttv")
  363. * @card: name of the card (e.g. "Hauppauge WinTV")
  364. * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
  365. * @version: KERNEL_VERSION
  366. * @capabilities: capabilities of the physical device as a whole
  367. * @device_caps: capabilities accessed via this particular device (node)
  368. * @reserved: reserved fields for future extensions
  369. */
  370. struct v4l2_capability {
  371. __u8 driver[16];
  372. __u8 card[32];
  373. __u8 bus_info[32];
  374. __u32 version;
  375. __u32 capabilities;
  376. __u32 device_caps;
  377. __u32 reserved[3];
  378. };
  379. /* Values for 'capabilities' field */
  380. #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
  381. #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
  382. #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
  383. #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
  384. #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
  385. #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
  386. #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
  387. #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
  388. #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
  389. #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
  390. #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
  391. /* Is a video capture device that supports multiplanar formats */
  392. #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
  393. /* Is a video output device that supports multiplanar formats */
  394. #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
  395. /* Is a video mem-to-mem device that supports multiplanar formats */
  396. #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
  397. /* Is a video mem-to-mem device */
  398. #define V4L2_CAP_VIDEO_M2M 0x00008000
  399. #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
  400. #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
  401. #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
  402. #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
  403. #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
  404. #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
  405. #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
  406. #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
  407. #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
  408. #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
  409. #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
  410. #define V4L2_CAP_META_OUTPUT 0x08000000 /* metadata output device*/
  411. #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
  412. #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
  413. /*
  414. * V I D E O I M A G E F O R M A T
  415. */
  416. struct v4l2_pix_format {
  417. __u32 width;
  418. __u32 height;
  419. __u32 pixelformat;
  420. __u32 field; /* enum v4l2_field */
  421. __u32 bytesperline; /* for padding, zero if unused */
  422. __u32 sizeimage;
  423. __u32 colorspace; /* enum v4l2_colorspace */
  424. __u32 priv; /* private data, depends on pixelformat */
  425. __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
  426. union {
  427. /* enum v4l2_ycbcr_encoding */
  428. __u32 ycbcr_enc;
  429. /* enum v4l2_hsv_encoding */
  430. __u32 hsv_enc;
  431. };
  432. __u32 quantization; /* enum v4l2_quantization */
  433. __u32 xfer_func; /* enum v4l2_xfer_func */
  434. };
  435. /* Pixel format FOURCC depth Description */
  436. /* RGB formats */
  437. #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
  438. #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
  439. #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
  440. #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
  441. #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
  442. #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
  443. #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
  444. #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
  445. #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
  446. #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
  447. #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
  448. #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
  449. #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
  450. #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
  451. #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
  452. #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
  453. #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
  454. #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
  455. #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
  456. #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
  457. #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
  458. /* 10-bit for RGB, 2-bit for A; 32-bit per-pixel; */
  459. #define V4L2_PIX_FMT_ARGB1010102 v4l2_fourcc('A', 'B', '3', '0')
  460. #define V4L2_PIX_FMT_ABGR1010102 v4l2_fourcc('A', 'R', '3', '0')
  461. #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0')
  462. #define V4L2_PIX_FMT_BGRA1010102 v4l2_fourcc('B', 'A', '3', '0')
  463. /* Grey formats */
  464. #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
  465. #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
  466. #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
  467. #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
  468. #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
  469. #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
  470. #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
  471. /* Grey bit-packed formats */
  472. #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
  473. /* Palette formats */
  474. #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
  475. /* Chrominance formats */
  476. #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
  477. /* Luminance+Chrominance formats */
  478. #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
  479. #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
  480. #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
  481. #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
  482. #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
  483. #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
  484. #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
  485. #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
  486. #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
  487. #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
  488. #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
  489. #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
  490. #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
  491. /* two planes -- one Y, one Cr + Cb interleaved */
  492. #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
  493. #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
  494. #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
  495. #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
  496. #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
  497. #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
  498. /* two non contiguous planes - one Y, one Cr + Cb interleaved */
  499. #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
  500. #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
  501. #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
  502. #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
  503. #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
  504. #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
  505. /* three planes - Y Cb, Cr */
  506. #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
  507. #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
  508. #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
  509. #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
  510. #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
  511. #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
  512. /* 10-bit; each pixel needs 2 bytes, and LSB 6-bit is not used */
  513. #define V4L2_PIX_FMT_P010M v4l2_fourcc('P', '0', '1', '0')
  514. /* three non contiguous planes - Y, Cb, Cr */
  515. #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
  516. #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
  517. #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
  518. #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
  519. #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
  520. #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
  521. /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
  522. #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
  523. #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
  524. #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
  525. #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
  526. #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
  527. #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
  528. #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
  529. #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
  530. /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
  531. #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
  532. #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
  533. #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
  534. #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
  535. /* 10bit raw bayer a-law compressed to 8 bits */
  536. #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
  537. #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
  538. #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
  539. #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
  540. /* 10bit raw bayer DPCM compressed to 8 bits */
  541. #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
  542. #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
  543. #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
  544. #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
  545. #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
  546. #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
  547. #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
  548. #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
  549. /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
  550. #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
  551. #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
  552. #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
  553. #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
  554. #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
  555. #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
  556. #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
  557. #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
  558. /* HSV formats */
  559. #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
  560. #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
  561. /* compressed formats */
  562. #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
  563. #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
  564. #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
  565. #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
  566. #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
  567. #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
  568. #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
  569. #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
  570. #define V4L2_PIX_FMT_H265 v4l2_fourcc('H', '2', '6', '5') /* H265 with start codes */
  571. #define V4L2_PIX_FMT_HEIF v4l2_fourcc('H', 'E', 'I', 'F') /* HEIF */
  572. #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
  573. #define V4L2_PIX_FMT_S263 v4l2_fourcc('S', '2', '6', '3') /* S263 */
  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_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* Divx */
  579. #define V4L2_PIX_FMT_DIVX3 v4l2_fourcc('D', 'I', 'V', '3') /* Divx3 */
  580. #define V4L2_PIX_FMT_DIVX4 v4l2_fourcc('D', 'I', 'V', '4') /* Divx4 */
  581. #define V4L2_PIX_FMT_DIVX5 v4l2_fourcc('D', 'I', 'V', '5') /* Divx5 */
  582. #define V4L2_PIX_FMT_DIVX6 v4l2_fourcc('D', 'I', 'V', '6') /* Divx6 */
  583. #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
  584. #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
  585. #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
  586. #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frames */
  587. #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
  588. #define V4L2_PIX_FMT_WMV1 v4l2_fourcc('W', 'M', 'V', '1') /* WMV7 */
  589. #define V4L2_PIX_FMT_WMV2 v4l2_fourcc('W', 'M', 'V', '2') /* WMV8 */
  590. #define V4L2_PIX_FMT_WMV3 v4l2_fourcc('W', 'M', 'V', '3') /* WMV9 */
  591. #define V4L2_PIX_FMT_WMVA v4l2_fourcc('W', 'M', 'V', 'A') /* WMVA */
  592. #define V4L2_PIX_FMT_WVC1 v4l2_fourcc('W', 'V', 'C', '1') /* VC1 */
  593. #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
  594. #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9/10 */
  595. #define V4L2_PIX_FMT_AV1 v4l2_fourcc('A', 'V', '1', '0') /* AV1 */
  596. /* Vendor-specific formats */
  597. #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
  598. #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
  599. #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
  600. #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
  601. #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
  602. #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
  603. #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
  604. #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
  605. #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
  606. #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
  607. #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
  608. #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
  609. #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
  610. #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
  611. #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
  612. #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
  613. #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
  614. #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
  615. #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
  616. #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
  617. #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
  618. #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
  619. #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
  620. #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
  621. #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
  622. #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
  623. #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
  624. #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
  625. #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
  626. #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
  627. #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
  628. /* Mediatek compressed block mode */
  629. #define V4L2_PIX_FMT_MT21 v4l2_fourcc('M', 'M', '2', '1')
  630. /* MTK 8-bit block mode, two non-contiguous planes */
  631. #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T')
  632. /* MTK 10-bit tile block mode, two non-contiguous planes */
  633. #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R')
  634. /* MTK 10-bit raster block mode, two non-contiguous planes */
  635. #define V4L2_PIX_FMT_MT21C10T v4l2_fourcc('M', 'T', 'C', 'T')
  636. /* MTK 10-bit tile compressed block mode, two non-contiguous planes */
  637. #define V4L2_PIX_FMT_MT21C10R v4l2_fourcc('M', 'T', 'C', 'R')
  638. /* MTK 10-bit raster compressed block mode, two non-contiguous planes */
  639. #define V4L2_PIX_FMT_MT21CS v4l2_fourcc('M', '2', 'C', 'S')
  640. /* MTK 8-bit compressed block mode, two contiguous planes */
  641. #define V4L2_PIX_FMT_MT21S v4l2_fourcc('M', '2', '1', 'S')
  642. /* MTK 8-bit block mode, two contiguous planes */
  643. #define V4L2_PIX_FMT_MT21S10T v4l2_fourcc('M', 'T', 'S', 'T')
  644. /* MTK 10-bit tile block mode, two contiguous planes */
  645. #define V4L2_PIX_FMT_MT21S10R v4l2_fourcc('M', 'T', 'S', 'R')
  646. /* MTK 10-bit raster block mode, two contiguous planes */
  647. #define V4L2_PIX_FMT_MT21CS10T v4l2_fourcc('M', 'C', 'S', 'T')
  648. /* MTK 10-bit tile compressed block mode, two contiguous planes */
  649. #define V4L2_PIX_FMT_MT21CS10R v4l2_fourcc('M', 'C', 'S', 'R')
  650. /* MTK 10-bit raster compressed block mode, two contiguous planes */
  651. #define V4L2_PIX_FMT_MT21CSA v4l2_fourcc('M', 'A', 'C', 'S')
  652. /* MTK 8-bit compressed block au offset mode, two contiguous planes */
  653. #define V4L2_PIX_FMT_MT21S10TJ v4l2_fourcc('M', 'J', 'S', 'T')
  654. /* MTK 10-bit tile block jump mode, two contiguous planes */
  655. #define V4L2_PIX_FMT_MT21S10RJ v4l2_fourcc('M', 'J', 'S', 'R')
  656. /* MTK 10-bit raster block jump mode, two contiguous planes */
  657. #define V4L2_PIX_FMT_MT21CS10TJ v4l2_fourcc('J', 'C', 'S', 'T')
  658. /* MTK 10-bit tile compressed block jump mode, two contiguous planes */
  659. #define V4L2_PIX_FMT_MT21CS10RJ v4l2_fourcc('J', 'C', 'S', 'R')
  660. /* MTK 10-bit raster compressed block jump mode, two cont. planes */
  661. #define V4L2_PIX_FMT_MT10S v4l2_fourcc('M', '1', '0', 'S')
  662. /* MTK 10-bit compressed mode, three contiguous planes */
  663. #define V4L2_PIX_FMT_MT10 v4l2_fourcc('M', 'T', '1', '0')
  664. /* MTK 10-bit compressed mode, three non-contiguous planes */
  665. #define V4L2_PIX_FMT_P010S v4l2_fourcc('P', '0', '1', 'S')
  666. /* 10-bit each pixel needs 2 bytes, LSB 6-bit is not used contiguous*/
  667. /* MTK 8-bit frame buffer compressed mode, single plane */
  668. #define V4L2_PIX_FMT_RGB32_AFBC v4l2_fourcc('M', 'C', 'R', '8')
  669. #define V4L2_PIX_FMT_BGR32_AFBC v4l2_fourcc('M', 'C', 'B', '8')
  670. /* MTK 10-bit frame buffer compressed mode, single plane */
  671. #define V4L2_PIX_FMT_RGBA1010102_AFBC v4l2_fourcc('M', 'C', 'R', 'X')
  672. #define V4L2_PIX_FMT_BGRA1010102_AFBC v4l2_fourcc('M', 'C', 'B', 'X')
  673. /* MTK 8-bit frame buffer compressed mode, two planes */
  674. #define V4L2_PIX_FMT_NV12_AFBC v4l2_fourcc('M', 'C', 'N', '8')
  675. /* MTK 10-bit frame buffer compressed mode, two planes */
  676. #define V4L2_PIX_FMT_NV12_10B_AFBC v4l2_fourcc('M', 'C', 'N', 'X')
  677. /* Vendor specific - Mediatek ISP compressed formats */
  678. #define V4L2_PIX_FMT_MTISP_B8 v4l2_fourcc('M', 'T', 'B', '8') /* 8 bit */
  679. /* SDR formats - used only for Software Defined Radio devices */
  680. #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
  681. #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
  682. #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
  683. #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
  684. #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
  685. #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
  686. #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
  687. #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
  688. /* Touch formats - used for Touch devices */
  689. #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
  690. #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
  691. #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
  692. #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
  693. /* Meta-data formats */
  694. #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
  695. #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
  696. #define V4L2_META_FMT_MTISP_PARAMS v4l2_fourcc('M', 'T', 'f', 'p')
  697. /* priv field value to indicates that subsequent fields are valid. */
  698. #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
  699. /* Flags */
  700. #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
  701. /*
  702. * F O R M A T E N U M E R A T I O N
  703. */
  704. struct v4l2_fmtdesc {
  705. __u32 index; /* Format number */
  706. __u32 type; /* enum v4l2_buf_type */
  707. __u32 flags;
  708. __u8 description[32]; /* Description string */
  709. __u32 pixelformat; /* Format fourcc */
  710. __u32 reserved[4];
  711. };
  712. #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  713. #define V4L2_FMT_FLAG_EMULATED 0x0002
  714. /* Frame Size and frame rate enumeration */
  715. /*
  716. * F R A M E S I Z E E N U M E R A T I O N
  717. */
  718. enum v4l2_frmsizetypes {
  719. V4L2_FRMSIZE_TYPE_DISCRETE = 1,
  720. V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
  721. V4L2_FRMSIZE_TYPE_STEPWISE = 3,
  722. };
  723. struct v4l2_frmsize_discrete {
  724. __u32 width; /* Frame width [pixel] */
  725. __u32 height; /* Frame height [pixel] */
  726. };
  727. struct v4l2_frmsize_stepwise {
  728. __u32 min_width; /* Minimum frame width [pixel] */
  729. __u32 max_width; /* Maximum frame width [pixel] */
  730. __u32 step_width; /* Frame width step size [pixel] */
  731. __u32 min_height; /* Minimum frame height [pixel] */
  732. __u32 max_height; /* Maximum frame height [pixel] */
  733. __u32 step_height; /* Frame height step size [pixel] */
  734. };
  735. struct v4l2_frmsizeenum {
  736. __u32 index; /* Frame size number */
  737. __u32 pixel_format; /* Pixel format */
  738. __u32 type; /* Frame size type the device supports. */
  739. union { /* Frame size */
  740. struct v4l2_frmsize_discrete discrete;
  741. struct v4l2_frmsize_stepwise stepwise;
  742. };
  743. __u32 reserved[2]; /* Reserved space for future use */
  744. };
  745. /*
  746. * F R A M E R A T E E N U M E R A T I O N
  747. */
  748. enum v4l2_frmivaltypes {
  749. V4L2_FRMIVAL_TYPE_DISCRETE = 1,
  750. V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
  751. V4L2_FRMIVAL_TYPE_STEPWISE = 3,
  752. };
  753. struct v4l2_frmival_stepwise {
  754. struct v4l2_fract min; /* Minimum frame interval [s] */
  755. struct v4l2_fract max; /* Maximum frame interval [s] */
  756. struct v4l2_fract step; /* Frame interval step size [s] */
  757. };
  758. struct v4l2_frmivalenum {
  759. __u32 index; /* Frame format index */
  760. __u32 pixel_format; /* Pixel format */
  761. __u32 width; /* Frame width */
  762. __u32 height; /* Frame height */
  763. __u32 type; /* Frame interval type the device supports. */
  764. union { /* Frame interval */
  765. struct v4l2_fract discrete;
  766. struct v4l2_frmival_stepwise stepwise;
  767. };
  768. __u32 reserved[2]; /* Reserved space for future use */
  769. };
  770. /*
  771. * T I M E C O D E
  772. */
  773. struct v4l2_timecode {
  774. __u32 type;
  775. __u32 flags;
  776. __u8 frames;
  777. __u8 seconds;
  778. __u8 minutes;
  779. __u8 hours;
  780. __u8 userbits[4];
  781. };
  782. /* Type */
  783. #define V4L2_TC_TYPE_24FPS 1
  784. #define V4L2_TC_TYPE_25FPS 2
  785. #define V4L2_TC_TYPE_30FPS 3
  786. #define V4L2_TC_TYPE_50FPS 4
  787. #define V4L2_TC_TYPE_60FPS 5
  788. /* Flags */
  789. #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
  790. #define V4L2_TC_FLAG_COLORFRAME 0x0002
  791. #define V4L2_TC_USERBITS_field 0x000C
  792. #define V4L2_TC_USERBITS_USERDEFINED 0x0000
  793. #define V4L2_TC_USERBITS_8BITCHARS 0x0008
  794. /* The above is based on SMPTE timecodes */
  795. struct v4l2_jpegcompression {
  796. int quality;
  797. int APPn; /* Number of APP segment to be written,
  798. * must be 0..15 */
  799. int APP_len; /* Length of data in JPEG APPn segment */
  800. char APP_data[60]; /* Data in the JPEG APPn segment. */
  801. int COM_len; /* Length of data in JPEG COM segment */
  802. char COM_data[60]; /* Data in JPEG COM segment */
  803. __u32 jpeg_markers; /* Which markers should go into the JPEG
  804. * output. Unless you exactly know what
  805. * you do, leave them untouched.
  806. * Including less markers will make the
  807. * resulting code smaller, but there will
  808. * be fewer applications which can read it.
  809. * The presence of the APP and COM marker
  810. * is influenced by APP_len and COM_len
  811. * ONLY, not by this property! */
  812. #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
  813. #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
  814. #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
  815. #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
  816. #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
  817. * always use APP0 */
  818. };
  819. /*
  820. * M E M O R Y - M A P P I N G B U F F E R S
  821. */
  822. struct v4l2_requestbuffers {
  823. __u32 count;
  824. __u32 type; /* enum v4l2_buf_type */
  825. __u32 memory; /* enum v4l2_memory */
  826. __u32 reserved[2];
  827. };
  828. /**
  829. * struct v4l2_plane - plane info for multi-planar buffers
  830. * @bytesused: number of bytes occupied by data in the plane (payload)
  831. * @length: size of this plane (NOT the payload) in bytes
  832. * @mem_offset: when memory in the associated struct v4l2_buffer is
  833. * V4L2_MEMORY_MMAP, equals the offset from the start of
  834. * the device memory for this plane (or is a "cookie" that
  835. * should be passed to mmap() called on the video node)
  836. * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
  837. * pointing to this plane
  838. * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
  839. * descriptor associated with this plane
  840. * @data_offset: offset in the plane to the start of data; usually 0,
  841. * unless there is a header in front of the data
  842. *
  843. * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
  844. * with two planes can have one plane for Y, and another for interleaved CbCr
  845. * components. Each plane can reside in a separate memory buffer, or even in
  846. * a completely separate memory node (e.g. in embedded devices).
  847. */
  848. struct v4l2_plane {
  849. __u32 bytesused;
  850. __u32 length;
  851. union {
  852. __u32 mem_offset;
  853. unsigned long userptr;
  854. __s32 fd;
  855. } m;
  856. __u32 data_offset;
  857. __u32 reserved[11];
  858. };
  859. /**
  860. * struct v4l2_buffer - video buffer info
  861. * @index: id number of the buffer
  862. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  863. * multiplanar buffers);
  864. * @bytesused: number of bytes occupied by data in the buffer (payload);
  865. * unused (set to 0) for multiplanar buffers
  866. * @flags: buffer informational flags
  867. * @field: enum v4l2_field; field order of the image in the buffer
  868. * @timestamp: frame timestamp
  869. * @timecode: frame timecode
  870. * @sequence: sequence count of this frame
  871. * @memory: enum v4l2_memory; the method, in which the actual video data is
  872. * passed
  873. * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
  874. * offset from the start of the device memory for this plane,
  875. * (or a "cookie" that should be passed to mmap() as offset)
  876. * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
  877. * a userspace pointer pointing to this buffer
  878. * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
  879. * a userspace file descriptor associated with this buffer
  880. * @planes: for multiplanar buffers; userspace pointer to the array of plane
  881. * info structs for this buffer
  882. * @length: size in bytes of the buffer (NOT its payload) for single-plane
  883. * buffers (when type != *_MPLANE); number of elements in the
  884. * planes array for multi-plane buffers
  885. *
  886. * Contains data exchanged by application and driver using one of the Streaming
  887. * I/O methods.
  888. */
  889. struct v4l2_buffer {
  890. __u32 index;
  891. __u32 type;
  892. __u32 bytesused;
  893. __u32 flags;
  894. __u32 field;
  895. struct timeval timestamp;
  896. struct v4l2_timecode timecode;
  897. __u32 sequence;
  898. /* memory location */
  899. __u32 memory;
  900. union {
  901. __u32 offset;
  902. unsigned long userptr;
  903. struct v4l2_plane *planes;
  904. __s32 fd;
  905. } m;
  906. __u32 length;
  907. __u32 reserved2;
  908. __u32 reserved;
  909. };
  910. /* Flags for 'flags' field */
  911. /* Buffer is mapped (flag) */
  912. #define V4L2_BUF_FLAG_MAPPED 0x00000001
  913. /* Buffer is queued for processing */
  914. #define V4L2_BUF_FLAG_QUEUED 0x00000002
  915. /* Buffer is ready */
  916. #define V4L2_BUF_FLAG_DONE 0x00000004
  917. /* Image is a keyframe (I-frame) */
  918. #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
  919. /* Image is a P-frame */
  920. #define V4L2_BUF_FLAG_PFRAME 0x00000010
  921. /* Image is a B-frame */
  922. #define V4L2_BUF_FLAG_BFRAME 0x00000020
  923. /* Buffer is ready, but the data contained within is corrupted. */
  924. /* Status related. This would be used in videobuf_status */
  925. #define V4L2_BUF_FLAG_ERROR 0x00000040
  926. /* Buffer is ready, but the data contained within is corrupted. */
  927. /* This would not be status-related usage*/
  928. #define V4L2_BUF_FLAG_CORRUPT 0x00000080
  929. /* timecode field is valid */
  930. #define V4L2_BUF_FLAG_TIMECODE 0x00000100
  931. /* Reference freed flags*/
  932. #define V4L2_BUF_FLAG_REF_FREED 0x00000200
  933. /* Buffer is prepared for queuing */
  934. #define V4L2_BUF_FLAG_PREPARED 0x00000400
  935. /* Cache handling flags */
  936. #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
  937. #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
  938. /* Crop changed flags*/
  939. #define V4L2_BUF_FLAG_CROP_CHANGED 0x00008000
  940. /* Timestamp type */
  941. #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
  942. #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
  943. #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
  944. #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
  945. /* Timestamp sources. */
  946. #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
  947. #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
  948. #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
  949. /* mem2mem encoder/decoder */
  950. #define V4L2_BUF_FLAG_LAST 0x00100000
  951. #define V4L2_BUF_FLAG_CSD 0x00200000
  952. #define V4L2_BUF_FLAG_ROI 0x00400000
  953. #define V4L2_BUF_FLAG_HDR_META 0x00800000
  954. /**
  955. * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
  956. *
  957. * @index: id number of the buffer
  958. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  959. * multiplanar buffers);
  960. * @plane: index of the plane to be exported, 0 for single plane queues
  961. * @flags: flags for newly created file, currently only O_CLOEXEC is
  962. * supported, refer to manual of open syscall for more details
  963. * @fd: file descriptor associated with DMABUF (set by driver)
  964. *
  965. * Contains data used for exporting a video buffer as DMABUF file descriptor.
  966. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
  967. * (identical to the cookie used to mmap() the buffer to userspace). All
  968. * reserved fields must be set to zero. The field reserved0 is expected to
  969. * become a structure 'type' allowing an alternative layout of the structure
  970. * content. Therefore this field should not be used for any other extensions.
  971. */
  972. struct v4l2_exportbuffer {
  973. __u32 type; /* enum v4l2_buf_type */
  974. __u32 index;
  975. __u32 plane;
  976. __u32 flags;
  977. __s32 fd;
  978. __u32 reserved[11];
  979. };
  980. /*
  981. * O V E R L A Y P R E V I E W
  982. */
  983. struct v4l2_framebuffer {
  984. __u32 capability;
  985. __u32 flags;
  986. /* FIXME: in theory we should pass something like PCI device + memory
  987. * region + offset instead of some physical address */
  988. void *base;
  989. struct {
  990. __u32 width;
  991. __u32 height;
  992. __u32 pixelformat;
  993. __u32 field; /* enum v4l2_field */
  994. __u32 bytesperline; /* for padding, zero if unused */
  995. __u32 sizeimage;
  996. __u32 colorspace; /* enum v4l2_colorspace */
  997. __u32 priv; /* reserved field, set to 0 */
  998. } fmt;
  999. };
  1000. /* Flags for the 'capability' field. Read only */
  1001. #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
  1002. #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
  1003. #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
  1004. #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
  1005. #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
  1006. #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
  1007. #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
  1008. #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
  1009. /* Flags for the 'flags' field. */
  1010. #define V4L2_FBUF_FLAG_PRIMARY 0x0001
  1011. #define V4L2_FBUF_FLAG_OVERLAY 0x0002
  1012. #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
  1013. #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
  1014. #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
  1015. #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
  1016. #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
  1017. struct v4l2_clip {
  1018. struct v4l2_rect c;
  1019. struct v4l2_clip __user *next;
  1020. };
  1021. struct v4l2_window {
  1022. struct v4l2_rect w;
  1023. __u32 field; /* enum v4l2_field */
  1024. __u32 chromakey;
  1025. struct v4l2_clip __user *clips;
  1026. __u32 clipcount;
  1027. void __user *bitmap;
  1028. __u8 global_alpha;
  1029. };
  1030. /*
  1031. * C A P T U R E P A R A M E T E R S
  1032. */
  1033. struct v4l2_captureparm {
  1034. __u32 capability; /* Supported modes */
  1035. __u32 capturemode; /* Current mode */
  1036. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  1037. __u32 extendedmode; /* Driver-specific extensions */
  1038. __u32 readbuffers; /* # of buffers for read */
  1039. __u32 reserved[4];
  1040. };
  1041. /* Flags for 'capability' and 'capturemode' fields */
  1042. #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
  1043. #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
  1044. struct v4l2_outputparm {
  1045. __u32 capability; /* Supported modes */
  1046. __u32 outputmode; /* Current mode */
  1047. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  1048. __u32 extendedmode; /* Driver-specific extensions */
  1049. __u32 writebuffers; /* # of buffers for write */
  1050. __u32 reserved[4];
  1051. };
  1052. /*
  1053. * I N P U T I M A G E C R O P P I N G
  1054. */
  1055. struct v4l2_cropcap {
  1056. __u32 type; /* enum v4l2_buf_type */
  1057. struct v4l2_rect bounds;
  1058. struct v4l2_rect defrect;
  1059. struct v4l2_fract pixelaspect;
  1060. };
  1061. struct v4l2_crop {
  1062. __u32 type; /* enum v4l2_buf_type */
  1063. struct v4l2_rect c;
  1064. };
  1065. /**
  1066. * struct v4l2_selection - selection info
  1067. * @type: buffer type (do not use *_MPLANE types)
  1068. * @target: Selection target, used to choose one of possible rectangles;
  1069. * defined in v4l2-common.h; V4L2_SEL_TGT_* .
  1070. * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  1071. * @r: coordinates of selection window
  1072. * @reserved: for future use, rounds structure size to 64 bytes, set to zero
  1073. *
  1074. * Hardware may use multiple helper windows to process a video stream.
  1075. * The structure is used to exchange this selection areas between
  1076. * an application and a driver.
  1077. */
  1078. struct v4l2_selection {
  1079. __u32 type;
  1080. __u32 target;
  1081. __u32 flags;
  1082. struct v4l2_rect r;
  1083. __u32 reserved[9];
  1084. };
  1085. /*
  1086. * A N A L O G V I D E O S T A N D A R D
  1087. */
  1088. typedef __u64 v4l2_std_id;
  1089. /* one bit for each */
  1090. #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
  1091. #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
  1092. #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
  1093. #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
  1094. #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
  1095. #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
  1096. #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
  1097. #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
  1098. #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
  1099. #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
  1100. #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
  1101. #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
  1102. #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
  1103. #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
  1104. #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
  1105. #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
  1106. #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
  1107. #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
  1108. #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
  1109. #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
  1110. #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
  1111. #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
  1112. #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
  1113. #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
  1114. /* ATSC/HDTV */
  1115. #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
  1116. #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
  1117. /* FIXME:
  1118. Although std_id is 64 bits, there is an issue on PPC32 architecture that
  1119. makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  1120. this value to 32 bits.
  1121. As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  1122. it should work fine. However, if needed to add more than two standards,
  1123. v4l2-common.c should be fixed.
  1124. */
  1125. /*
  1126. * Some macros to merge video standards in order to make live easier for the
  1127. * drivers and V4L2 applications
  1128. */
  1129. /*
  1130. * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
  1131. * Missing here.
  1132. */
  1133. #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
  1134. V4L2_STD_NTSC_M_JP |\
  1135. V4L2_STD_NTSC_M_KR)
  1136. /* Secam macros */
  1137. #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
  1138. V4L2_STD_SECAM_K |\
  1139. V4L2_STD_SECAM_K1)
  1140. /* All Secam Standards */
  1141. #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
  1142. V4L2_STD_SECAM_G |\
  1143. V4L2_STD_SECAM_H |\
  1144. V4L2_STD_SECAM_DK |\
  1145. V4L2_STD_SECAM_L |\
  1146. V4L2_STD_SECAM_LC)
  1147. /* PAL macros */
  1148. #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
  1149. V4L2_STD_PAL_B1 |\
  1150. V4L2_STD_PAL_G)
  1151. #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
  1152. V4L2_STD_PAL_D1 |\
  1153. V4L2_STD_PAL_K)
  1154. /*
  1155. * "Common" PAL - This macro is there to be compatible with the old
  1156. * V4L1 concept of "PAL": /BGDKHI.
  1157. * Several PAL standards are missing here: /M, /N and /Nc
  1158. */
  1159. #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
  1160. V4L2_STD_PAL_DK |\
  1161. V4L2_STD_PAL_H |\
  1162. V4L2_STD_PAL_I)
  1163. /* Chroma "agnostic" standards */
  1164. #define V4L2_STD_B (V4L2_STD_PAL_B |\
  1165. V4L2_STD_PAL_B1 |\
  1166. V4L2_STD_SECAM_B)
  1167. #define V4L2_STD_G (V4L2_STD_PAL_G |\
  1168. V4L2_STD_SECAM_G)
  1169. #define V4L2_STD_H (V4L2_STD_PAL_H |\
  1170. V4L2_STD_SECAM_H)
  1171. #define V4L2_STD_L (V4L2_STD_SECAM_L |\
  1172. V4L2_STD_SECAM_LC)
  1173. #define V4L2_STD_GH (V4L2_STD_G |\
  1174. V4L2_STD_H)
  1175. #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
  1176. V4L2_STD_SECAM_DK)
  1177. #define V4L2_STD_BG (V4L2_STD_B |\
  1178. V4L2_STD_G)
  1179. #define V4L2_STD_MN (V4L2_STD_PAL_M |\
  1180. V4L2_STD_PAL_N |\
  1181. V4L2_STD_PAL_Nc |\
  1182. V4L2_STD_NTSC)
  1183. /* Standards where MTS/BTSC stereo could be found */
  1184. #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
  1185. V4L2_STD_PAL_M |\
  1186. V4L2_STD_PAL_N |\
  1187. V4L2_STD_PAL_Nc)
  1188. /* Standards for Countries with 60Hz Line frequency */
  1189. #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
  1190. V4L2_STD_PAL_60 |\
  1191. V4L2_STD_NTSC |\
  1192. V4L2_STD_NTSC_443)
  1193. /* Standards for Countries with 50Hz Line frequency */
  1194. #define V4L2_STD_625_50 (V4L2_STD_PAL |\
  1195. V4L2_STD_PAL_N |\
  1196. V4L2_STD_PAL_Nc |\
  1197. V4L2_STD_SECAM)
  1198. #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
  1199. V4L2_STD_ATSC_16_VSB)
  1200. /* Macros with none and all analog standards */
  1201. #define V4L2_STD_UNKNOWN 0
  1202. #define V4L2_STD_ALL (V4L2_STD_525_60 |\
  1203. V4L2_STD_625_50)
  1204. struct v4l2_standard {
  1205. __u32 index;
  1206. v4l2_std_id id;
  1207. __u8 name[24];
  1208. struct v4l2_fract frameperiod; /* Frames, not fields */
  1209. __u32 framelines;
  1210. __u32 reserved[4];
  1211. };
  1212. /*
  1213. * D V B T T I M I N G S
  1214. */
  1215. /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
  1216. * @width: total width of the active video in pixels
  1217. * @height: total height of the active video in lines
  1218. * @interlaced: Interlaced or progressive
  1219. * @polarities: Positive or negative polarities
  1220. * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1221. * @hfrontporch:Horizontal front porch in pixels
  1222. * @hsync: Horizontal Sync length in pixels
  1223. * @hbackporch: Horizontal back porch in pixels
  1224. * @vfrontporch:Vertical front porch in lines
  1225. * @vsync: Vertical Sync length in lines
  1226. * @vbackporch: Vertical back porch in lines
  1227. * @il_vfrontporch:Vertical front porch for the even field
  1228. * (aka field 2) of interlaced field formats
  1229. * @il_vsync: Vertical Sync length for the even field
  1230. * (aka field 2) of interlaced field formats
  1231. * @il_vbackporch:Vertical back porch for the even field
  1232. * (aka field 2) of interlaced field formats
  1233. * @standards: Standards the timing belongs to
  1234. * @flags: Flags
  1235. * @picture_aspect: The picture aspect ratio (hor/vert).
  1236. * @cea861_vic: VIC code as per the CEA-861 standard.
  1237. * @hdmi_vic: VIC code as per the HDMI standard.
  1238. * @reserved: Reserved fields, must be zeroed.
  1239. *
  1240. * A note regarding vertical interlaced timings: height refers to the total
  1241. * height of the active video frame (= two fields). The blanking timings refer
  1242. * to the blanking of each field. So the height of the total frame is
  1243. * calculated as follows:
  1244. *
  1245. * tot_height = height + vfrontporch + vsync + vbackporch +
  1246. * il_vfrontporch + il_vsync + il_vbackporch
  1247. *
  1248. * The active height of each field is height / 2.
  1249. */
  1250. struct v4l2_bt_timings {
  1251. __u32 width;
  1252. __u32 height;
  1253. __u32 interlaced;
  1254. __u32 polarities;
  1255. __u64 pixelclock;
  1256. __u32 hfrontporch;
  1257. __u32 hsync;
  1258. __u32 hbackporch;
  1259. __u32 vfrontporch;
  1260. __u32 vsync;
  1261. __u32 vbackporch;
  1262. __u32 il_vfrontporch;
  1263. __u32 il_vsync;
  1264. __u32 il_vbackporch;
  1265. __u32 standards;
  1266. __u32 flags;
  1267. struct v4l2_fract picture_aspect;
  1268. __u8 cea861_vic;
  1269. __u8 hdmi_vic;
  1270. __u8 reserved[46];
  1271. } __attribute__ ((packed));
  1272. /* Interlaced or progressive format */
  1273. #define V4L2_DV_PROGRESSIVE 0
  1274. #define V4L2_DV_INTERLACED 1
  1275. /* Polarities. If bit is not set, it is assumed to be negative polarity */
  1276. #define V4L2_DV_VSYNC_POS_POL 0x00000001
  1277. #define V4L2_DV_HSYNC_POS_POL 0x00000002
  1278. /* Timings standards */
  1279. #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
  1280. #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
  1281. #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
  1282. #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
  1283. #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
  1284. /* Flags */
  1285. /*
  1286. * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
  1287. * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
  1288. * intervals are reduced, allowing a higher resolution over the same
  1289. * bandwidth. This is a read-only flag.
  1290. */
  1291. #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
  1292. /*
  1293. * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
  1294. * of six. These formats can be optionally played at 1 / 1.001 speed.
  1295. * This is a read-only flag.
  1296. */
  1297. #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
  1298. /*
  1299. * CEA-861 specific: only valid for video transmitters, the flag is cleared
  1300. * by receivers.
  1301. * If the framerate of the format is a multiple of six, then the pixelclock
  1302. * used to set up the transmitter is divided by 1.001 to make it compatible
  1303. * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
  1304. * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
  1305. * such frequencies, then the flag will also be cleared.
  1306. */
  1307. #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
  1308. /*
  1309. * Specific to interlaced formats: if set, then field 1 is really one half-line
  1310. * longer and field 2 is really one half-line shorter, so each field has
  1311. * exactly the same number of half-lines. Whether half-lines can be detected
  1312. * or used depends on the hardware.
  1313. */
  1314. #define V4L2_DV_FL_HALF_LINE (1 << 3)
  1315. /*
  1316. * If set, then this is a Consumer Electronics (CE) video format. Such formats
  1317. * differ from other formats (commonly called IT formats) in that if RGB
  1318. * encoding is used then by default the RGB values use limited range (i.e.
  1319. * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
  1320. * except for the 640x480 format are CE formats.
  1321. */
  1322. #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
  1323. /* Some formats like SMPTE-125M have an interlaced signal with a odd
  1324. * total height. For these formats, if this flag is set, the first
  1325. * field has the extra line. If not, it is the second field.
  1326. */
  1327. #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
  1328. /*
  1329. * If set, then the picture_aspect field is valid. Otherwise assume that the
  1330. * pixels are square, so the picture aspect ratio is the same as the width to
  1331. * height ratio.
  1332. */
  1333. #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
  1334. /*
  1335. * If set, then the cea861_vic field is valid and contains the Video
  1336. * Identification Code as per the CEA-861 standard.
  1337. */
  1338. #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
  1339. /*
  1340. * If set, then the hdmi_vic field is valid and contains the Video
  1341. * Identification Code as per the HDMI standard (HDMI Vendor Specific
  1342. * InfoFrame).
  1343. */
  1344. #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
  1345. /* A few useful defines to calculate the total blanking and frame sizes */
  1346. #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
  1347. ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
  1348. #define V4L2_DV_BT_FRAME_WIDTH(bt) \
  1349. ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
  1350. #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
  1351. ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
  1352. (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
  1353. #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
  1354. ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
  1355. /** struct v4l2_dv_timings - DV timings
  1356. * @type: the type of the timings
  1357. * @bt: BT656/1120 timings
  1358. */
  1359. struct v4l2_dv_timings {
  1360. __u32 type;
  1361. union {
  1362. struct v4l2_bt_timings bt;
  1363. __u32 reserved[32];
  1364. };
  1365. } __attribute__ ((packed));
  1366. /* Values for the type field */
  1367. #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
  1368. /** struct v4l2_enum_dv_timings - DV timings enumeration
  1369. * @index: enumeration index
  1370. * @pad: the pad number for which to enumerate timings (used with
  1371. * v4l-subdev nodes only)
  1372. * @reserved: must be zeroed
  1373. * @timings: the timings for the given index
  1374. */
  1375. struct v4l2_enum_dv_timings {
  1376. __u32 index;
  1377. __u32 pad;
  1378. __u32 reserved[2];
  1379. struct v4l2_dv_timings timings;
  1380. };
  1381. /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
  1382. * @min_width: width in pixels
  1383. * @max_width: width in pixels
  1384. * @min_height: height in lines
  1385. * @max_height: height in lines
  1386. * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1387. * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1388. * @standards: Supported standards
  1389. * @capabilities: Supported capabilities
  1390. * @reserved: Must be zeroed
  1391. */
  1392. struct v4l2_bt_timings_cap {
  1393. __u32 min_width;
  1394. __u32 max_width;
  1395. __u32 min_height;
  1396. __u32 max_height;
  1397. __u64 min_pixelclock;
  1398. __u64 max_pixelclock;
  1399. __u32 standards;
  1400. __u32 capabilities;
  1401. __u32 reserved[16];
  1402. } __attribute__ ((packed));
  1403. /* Supports interlaced formats */
  1404. #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
  1405. /* Supports progressive formats */
  1406. #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
  1407. /* Supports CVT/GTF reduced blanking */
  1408. #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
  1409. /* Supports custom formats */
  1410. #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
  1411. /** struct v4l2_dv_timings_cap - DV timings capabilities
  1412. * @type: the type of the timings (same as in struct v4l2_dv_timings)
  1413. * @pad: the pad number for which to query capabilities (used with
  1414. * v4l-subdev nodes only)
  1415. * @bt: the BT656/1120 timings capabilities
  1416. */
  1417. struct v4l2_dv_timings_cap {
  1418. __u32 type;
  1419. __u32 pad;
  1420. __u32 reserved[2];
  1421. union {
  1422. struct v4l2_bt_timings_cap bt;
  1423. __u32 raw_data[32];
  1424. };
  1425. };
  1426. /*
  1427. * V I D E O I N P U T S
  1428. */
  1429. struct v4l2_input {
  1430. __u32 index; /* Which input */
  1431. __u8 name[32]; /* Label */
  1432. __u32 type; /* Type of input */
  1433. __u32 audioset; /* Associated audios (bitfield) */
  1434. __u32 tuner; /* enum v4l2_tuner_type */
  1435. v4l2_std_id std;
  1436. __u32 status;
  1437. __u32 capabilities;
  1438. __u32 reserved[3];
  1439. };
  1440. /* Values for the 'type' field */
  1441. #define V4L2_INPUT_TYPE_TUNER 1
  1442. #define V4L2_INPUT_TYPE_CAMERA 2
  1443. #define V4L2_INPUT_TYPE_TOUCH 3
  1444. /* field 'status' - general */
  1445. #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
  1446. #define V4L2_IN_ST_NO_SIGNAL 0x00000002
  1447. #define V4L2_IN_ST_NO_COLOR 0x00000004
  1448. /* field 'status' - sensor orientation */
  1449. /* If sensor is mounted upside down set both bits */
  1450. #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
  1451. #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
  1452. /* field 'status' - analog */
  1453. #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
  1454. #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
  1455. #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
  1456. #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
  1457. /* field 'status' - digital */
  1458. #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
  1459. #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
  1460. #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
  1461. /* field 'status' - VCR and set-top box */
  1462. #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
  1463. #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
  1464. #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
  1465. /* capabilities flags */
  1466. #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1467. #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
  1468. #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
  1469. #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1470. /*
  1471. * V I D E O O U T P U T S
  1472. */
  1473. struct v4l2_output {
  1474. __u32 index; /* Which output */
  1475. __u8 name[32]; /* Label */
  1476. __u32 type; /* Type of output */
  1477. __u32 audioset; /* Associated audios (bitfield) */
  1478. __u32 modulator; /* Associated modulator */
  1479. v4l2_std_id std;
  1480. __u32 capabilities;
  1481. __u32 reserved[3];
  1482. };
  1483. /* Values for the 'type' field */
  1484. #define V4L2_OUTPUT_TYPE_MODULATOR 1
  1485. #define V4L2_OUTPUT_TYPE_ANALOG 2
  1486. #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
  1487. /* capabilities flags */
  1488. #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1489. #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
  1490. #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
  1491. #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1492. /*
  1493. * C O N T R O L S
  1494. */
  1495. struct v4l2_control {
  1496. __u32 id;
  1497. __s32 value;
  1498. };
  1499. struct v4l2_ext_control {
  1500. __u32 id;
  1501. __u32 size;
  1502. __u32 reserved2[1];
  1503. union {
  1504. __s32 value;
  1505. __s64 value64;
  1506. char __user *string;
  1507. __u8 __user *p_u8;
  1508. __u16 __user *p_u16;
  1509. __u32 __user *p_u32;
  1510. void __user *ptr;
  1511. };
  1512. } __attribute__ ((packed));
  1513. struct v4l2_ext_controls {
  1514. union {
  1515. #ifndef __KERNEL__
  1516. __u32 ctrl_class;
  1517. #endif
  1518. __u32 which;
  1519. };
  1520. __u32 count;
  1521. __u32 error_idx;
  1522. __u32 reserved[2];
  1523. struct v4l2_ext_control *controls;
  1524. };
  1525. #define V4L2_CTRL_ID_MASK (0x0fffffff)
  1526. #ifndef __KERNEL__
  1527. #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
  1528. #endif
  1529. #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
  1530. #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  1531. #define V4L2_CTRL_MAX_DIMS (4)
  1532. #define V4L2_CTRL_WHICH_CUR_VAL 0
  1533. #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
  1534. enum v4l2_ctrl_type {
  1535. V4L2_CTRL_TYPE_INTEGER = 1,
  1536. V4L2_CTRL_TYPE_BOOLEAN = 2,
  1537. V4L2_CTRL_TYPE_MENU = 3,
  1538. V4L2_CTRL_TYPE_BUTTON = 4,
  1539. V4L2_CTRL_TYPE_INTEGER64 = 5,
  1540. V4L2_CTRL_TYPE_CTRL_CLASS = 6,
  1541. V4L2_CTRL_TYPE_STRING = 7,
  1542. V4L2_CTRL_TYPE_BITMASK = 8,
  1543. V4L2_CTRL_TYPE_INTEGER_MENU = 9,
  1544. /* Compound types are >= 0x0100 */
  1545. V4L2_CTRL_COMPOUND_TYPES = 0x0100,
  1546. V4L2_CTRL_TYPE_U8 = 0x0100,
  1547. V4L2_CTRL_TYPE_U16 = 0x0101,
  1548. V4L2_CTRL_TYPE_U32 = 0x0102,
  1549. };
  1550. /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  1551. struct v4l2_queryctrl {
  1552. __u32 id;
  1553. __u32 type; /* enum v4l2_ctrl_type */
  1554. __u8 name[32]; /* Whatever */
  1555. __s32 minimum; /* Note signedness */
  1556. __s32 maximum;
  1557. __s32 step;
  1558. __s32 default_value;
  1559. __u32 flags;
  1560. __u32 reserved[2];
  1561. };
  1562. /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
  1563. struct v4l2_query_ext_ctrl {
  1564. __u32 id;
  1565. __u32 type;
  1566. char name[32];
  1567. __s64 minimum;
  1568. __s64 maximum;
  1569. __u64 step;
  1570. __s64 default_value;
  1571. __u32 flags;
  1572. __u32 elem_size;
  1573. __u32 elems;
  1574. __u32 nr_of_dims;
  1575. __u32 dims[V4L2_CTRL_MAX_DIMS];
  1576. __u32 reserved[32];
  1577. };
  1578. /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  1579. struct v4l2_querymenu {
  1580. __u32 id;
  1581. __u32 index;
  1582. union {
  1583. __u8 name[32]; /* Whatever */
  1584. __s64 value;
  1585. };
  1586. __u32 reserved;
  1587. } __attribute__ ((packed));
  1588. /* Control flags */
  1589. #define V4L2_CTRL_FLAG_DISABLED 0x0001
  1590. #define V4L2_CTRL_FLAG_GRABBED 0x0002
  1591. #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
  1592. #define V4L2_CTRL_FLAG_UPDATE 0x0008
  1593. #define V4L2_CTRL_FLAG_INACTIVE 0x0010
  1594. #define V4L2_CTRL_FLAG_SLIDER 0x0020
  1595. #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
  1596. #define V4L2_CTRL_FLAG_VOLATILE 0x0080
  1597. #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
  1598. #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
  1599. #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
  1600. /* Query flags, to be ORed with the control ID */
  1601. #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
  1602. #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
  1603. /* User-class control IDs defined by V4L2 */
  1604. #define V4L2_CID_MAX_CTRLS 1024
  1605. /* IDs reserved for driver specific controls */
  1606. #define V4L2_CID_PRIVATE_BASE 0x08000000
  1607. /*
  1608. * T U N I N G
  1609. */
  1610. struct v4l2_tuner {
  1611. __u32 index;
  1612. __u8 name[32];
  1613. __u32 type; /* enum v4l2_tuner_type */
  1614. __u32 capability;
  1615. __u32 rangelow;
  1616. __u32 rangehigh;
  1617. __u32 rxsubchans;
  1618. __u32 audmode;
  1619. __s32 signal;
  1620. __s32 afc;
  1621. __u32 reserved[4];
  1622. };
  1623. struct v4l2_modulator {
  1624. __u32 index;
  1625. __u8 name[32];
  1626. __u32 capability;
  1627. __u32 rangelow;
  1628. __u32 rangehigh;
  1629. __u32 txsubchans;
  1630. __u32 type; /* enum v4l2_tuner_type */
  1631. __u32 reserved[3];
  1632. };
  1633. /* Flags for the 'capability' field */
  1634. #define V4L2_TUNER_CAP_LOW 0x0001
  1635. #define V4L2_TUNER_CAP_NORM 0x0002
  1636. #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
  1637. #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
  1638. #define V4L2_TUNER_CAP_STEREO 0x0010
  1639. #define V4L2_TUNER_CAP_LANG2 0x0020
  1640. #define V4L2_TUNER_CAP_SAP 0x0020
  1641. #define V4L2_TUNER_CAP_LANG1 0x0040
  1642. #define V4L2_TUNER_CAP_RDS 0x0080
  1643. #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
  1644. #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
  1645. #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
  1646. #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
  1647. #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
  1655. /* Values for the 'audmode' field */
  1656. #define V4L2_TUNER_MODE_MONO 0x0000
  1657. #define V4L2_TUNER_MODE_STEREO 0x0001
  1658. #define V4L2_TUNER_MODE_LANG2 0x0002
  1659. #define V4L2_TUNER_MODE_SAP 0x0002
  1660. #define V4L2_TUNER_MODE_LANG1 0x0003
  1661. #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
  1662. struct v4l2_frequency {
  1663. __u32 tuner;
  1664. __u32 type; /* enum v4l2_tuner_type */
  1665. __u32 frequency;
  1666. __u32 reserved[8];
  1667. };
  1668. #define V4L2_BAND_MODULATION_VSB (1 << 1)
  1669. #define V4L2_BAND_MODULATION_FM (1 << 2)
  1670. #define V4L2_BAND_MODULATION_AM (1 << 3)
  1671. struct v4l2_frequency_band {
  1672. __u32 tuner;
  1673. __u32 type; /* enum v4l2_tuner_type */
  1674. __u32 index;
  1675. __u32 capability;
  1676. __u32 rangelow;
  1677. __u32 rangehigh;
  1678. __u32 modulation;
  1679. __u32 reserved[9];
  1680. };
  1681. struct v4l2_hw_freq_seek {
  1682. __u32 tuner;
  1683. __u32 type; /* enum v4l2_tuner_type */
  1684. __u32 seek_upward;
  1685. __u32 wrap_around;
  1686. __u32 spacing;
  1687. __u32 rangelow;
  1688. __u32 rangehigh;
  1689. __u32 reserved[5];
  1690. };
  1691. /*
  1692. * R D S
  1693. */
  1694. struct v4l2_rds_data {
  1695. __u8 lsb;
  1696. __u8 msb;
  1697. __u8 block;
  1698. } __attribute__ ((packed));
  1699. #define V4L2_RDS_BLOCK_MSK 0x7
  1700. #define V4L2_RDS_BLOCK_A 0
  1701. #define V4L2_RDS_BLOCK_B 1
  1702. #define V4L2_RDS_BLOCK_C 2
  1703. #define V4L2_RDS_BLOCK_D 3
  1704. #define V4L2_RDS_BLOCK_C_ALT 4
  1705. #define V4L2_RDS_BLOCK_INVALID 7
  1706. #define V4L2_RDS_BLOCK_CORRECTED 0x40
  1707. #define V4L2_RDS_BLOCK_ERROR 0x80
  1708. /*
  1709. * A U D I O
  1710. */
  1711. struct v4l2_audio {
  1712. __u32 index;
  1713. __u8 name[32];
  1714. __u32 capability;
  1715. __u32 mode;
  1716. __u32 reserved[2];
  1717. };
  1718. /* Flags for the 'capability' field */
  1719. #define V4L2_AUDCAP_STEREO 0x00001
  1720. #define V4L2_AUDCAP_AVL 0x00002
  1721. /* Flags for the 'mode' field */
  1722. #define V4L2_AUDMODE_AVL 0x00001
  1723. struct v4l2_audioout {
  1724. __u32 index;
  1725. __u8 name[32];
  1726. __u32 capability;
  1727. __u32 mode;
  1728. __u32 reserved[2];
  1729. };
  1730. /*
  1731. * M P E G S E R V I C E S
  1732. */
  1733. #if 1
  1734. #define V4L2_ENC_IDX_FRAME_I (0)
  1735. #define V4L2_ENC_IDX_FRAME_P (1)
  1736. #define V4L2_ENC_IDX_FRAME_B (2)
  1737. #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  1738. struct v4l2_enc_idx_entry {
  1739. __u64 offset;
  1740. __u64 pts;
  1741. __u32 length;
  1742. __u32 flags;
  1743. __u32 reserved[2];
  1744. };
  1745. #define V4L2_ENC_IDX_ENTRIES (64)
  1746. struct v4l2_enc_idx {
  1747. __u32 entries;
  1748. __u32 entries_cap;
  1749. __u32 reserved[4];
  1750. struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  1751. };
  1752. #define V4L2_ENC_CMD_START (0)
  1753. #define V4L2_ENC_CMD_STOP (1)
  1754. #define V4L2_ENC_CMD_PAUSE (2)
  1755. #define V4L2_ENC_CMD_RESUME (3)
  1756. /* Flags for V4L2_ENC_CMD_STOP */
  1757. #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
  1758. struct v4l2_encoder_cmd {
  1759. __u32 cmd;
  1760. __u32 flags;
  1761. union {
  1762. struct {
  1763. __u32 data[8];
  1764. } raw;
  1765. };
  1766. };
  1767. /* Decoder commands */
  1768. #define V4L2_DEC_CMD_START (0)
  1769. #define V4L2_DEC_CMD_STOP (1)
  1770. #define V4L2_DEC_CMD_PAUSE (2)
  1771. #define V4L2_DEC_CMD_RESUME (3)
  1772. /* Flags for V4L2_DEC_CMD_START */
  1773. #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
  1774. /* Flags for V4L2_DEC_CMD_PAUSE */
  1775. #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
  1776. /* Flags for V4L2_DEC_CMD_STOP */
  1777. #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
  1778. #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
  1779. /* Play format requirements (returned by the driver): */
  1780. /* The decoder has no special format requirements */
  1781. #define V4L2_DEC_START_FMT_NONE (0)
  1782. /* The decoder requires full GOPs */
  1783. #define V4L2_DEC_START_FMT_GOP (1)
  1784. /* The structure must be zeroed before use by the application
  1785. This ensures it can be extended safely in the future. */
  1786. struct v4l2_decoder_cmd {
  1787. __u32 cmd;
  1788. __u32 flags;
  1789. union {
  1790. struct {
  1791. __u64 pts;
  1792. } stop;
  1793. struct {
  1794. /* 0 or 1000 specifies normal speed,
  1795. 1 specifies forward single stepping,
  1796. -1 specifies backward single stepping,
  1797. >1: playback at speed/1000 of the normal speed,
  1798. <-1: reverse playback at (-speed/1000) of the normal speed. */
  1799. __s32 speed;
  1800. __u32 format;
  1801. } start;
  1802. struct {
  1803. __u32 data[16];
  1804. } raw;
  1805. };
  1806. };
  1807. #endif
  1808. /*
  1809. * D A T A S E R V I C E S ( V B I )
  1810. *
  1811. * Data services API by Michael Schimek
  1812. */
  1813. /* Raw VBI */
  1814. struct v4l2_vbi_format {
  1815. __u32 sampling_rate; /* in 1 Hz */
  1816. __u32 offset;
  1817. __u32 samples_per_line;
  1818. __u32 sample_format; /* V4L2_PIX_FMT_* */
  1819. __s32 start[2];
  1820. __u32 count[2];
  1821. __u32 flags; /* V4L2_VBI_* */
  1822. __u32 reserved[2]; /* must be zero */
  1823. };
  1824. /* VBI flags */
  1825. #define V4L2_VBI_UNSYNC (1 << 0)
  1826. #define V4L2_VBI_INTERLACED (1 << 1)
  1827. /* ITU-R start lines for each field */
  1828. #define V4L2_VBI_ITU_525_F1_START (1)
  1829. #define V4L2_VBI_ITU_525_F2_START (264)
  1830. #define V4L2_VBI_ITU_625_F1_START (1)
  1831. #define V4L2_VBI_ITU_625_F2_START (314)
  1832. /* Sliced VBI
  1833. *
  1834. * This implements is a proposal V4L2 API to allow SLICED VBI
  1835. * required for some hardware encoders. It should change without
  1836. * notice in the definitive implementation.
  1837. */
  1838. struct v4l2_sliced_vbi_format {
  1839. __u16 service_set;
  1840. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1841. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1842. (equals frame lines 313-336 for 625 line video
  1843. standards, 263-286 for 525 line standards) */
  1844. __u16 service_lines[2][24];
  1845. __u32 io_size;
  1846. __u32 reserved[2]; /* must be zero */
  1847. };
  1848. /* Teletext World System Teletext
  1849. (WST), defined on ITU-R BT.653-2 */
  1850. #define V4L2_SLICED_TELETEXT_B (0x0001)
  1851. /* Video Program System, defined on ETS 300 231*/
  1852. #define V4L2_SLICED_VPS (0x0400)
  1853. /* Closed Caption, defined on EIA-608 */
  1854. #define V4L2_SLICED_CAPTION_525 (0x1000)
  1855. /* Wide Screen System, defined on ITU-R BT1119.1 */
  1856. #define V4L2_SLICED_WSS_625 (0x4000)
  1857. #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
  1858. #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
  1859. struct v4l2_sliced_vbi_cap {
  1860. __u16 service_set;
  1861. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1862. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1863. (equals frame lines 313-336 for 625 line video
  1864. standards, 263-286 for 525 line standards) */
  1865. __u16 service_lines[2][24];
  1866. __u32 type; /* enum v4l2_buf_type */
  1867. __u32 reserved[3]; /* must be 0 */
  1868. };
  1869. struct v4l2_sliced_vbi_data {
  1870. __u32 id;
  1871. __u32 field; /* 0: first field, 1: second field */
  1872. __u32 line; /* 1-23 */
  1873. __u32 reserved; /* must be 0 */
  1874. __u8 data[48];
  1875. };
  1876. /*
  1877. * Sliced VBI data inserted into MPEG Streams
  1878. */
  1879. /*
  1880. * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
  1881. *
  1882. * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
  1883. * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
  1884. * data
  1885. *
  1886. * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
  1887. * definitions are not included here. See the MPEG-2 specifications for details
  1888. * on these headers.
  1889. */
  1890. /* Line type IDs */
  1891. #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
  1892. #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
  1893. #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
  1894. #define V4L2_MPEG_VBI_IVTV_VPS (7)
  1895. struct v4l2_mpeg_vbi_itv0_line {
  1896. __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
  1897. __u8 data[42]; /* Sliced VBI data for the line */
  1898. } __attribute__ ((packed));
  1899. struct v4l2_mpeg_vbi_itv0 {
  1900. __le32 linemask[2]; /* Bitmasks of VBI service lines present */
  1901. struct v4l2_mpeg_vbi_itv0_line line[35];
  1902. } __attribute__ ((packed));
  1903. struct v4l2_mpeg_vbi_ITV0 {
  1904. struct v4l2_mpeg_vbi_itv0_line line[36];
  1905. } __attribute__ ((packed));
  1906. #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
  1907. #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
  1908. struct v4l2_mpeg_vbi_fmt_ivtv {
  1909. __u8 magic[4];
  1910. union {
  1911. struct v4l2_mpeg_vbi_itv0 itv0;
  1912. struct v4l2_mpeg_vbi_ITV0 ITV0;
  1913. };
  1914. } __attribute__ ((packed));
  1915. /*
  1916. * A G G R E G A T E S T R U C T U R E S
  1917. */
  1918. /**
  1919. * struct v4l2_plane_pix_format - additional, per-plane format definition
  1920. * @sizeimage: maximum size in bytes required for data, for which
  1921. * this plane will be used
  1922. * @bytesperline: distance in bytes between the leftmost pixels in two
  1923. * adjacent lines
  1924. */
  1925. struct v4l2_plane_pix_format {
  1926. __u32 sizeimage;
  1927. __u32 bytesperline;
  1928. __u16 reserved[6];
  1929. } __attribute__ ((packed));
  1930. /**
  1931. * struct v4l2_pix_format_mplane - multiplanar format definition
  1932. * @width: image width in pixels
  1933. * @height: image height in pixels
  1934. * @pixelformat: little endian four character code (fourcc)
  1935. * @field: enum v4l2_field; field order (for interlaced video)
  1936. * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  1937. * @plane_fmt: per-plane information
  1938. * @num_planes: number of planes for this format
  1939. * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
  1940. * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  1941. * @quantization: enum v4l2_quantization, colorspace quantization
  1942. * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
  1943. */
  1944. struct v4l2_pix_format_mplane {
  1945. __u32 width;
  1946. __u32 height;
  1947. __u32 pixelformat;
  1948. __u32 field;
  1949. __u32 colorspace;
  1950. struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
  1951. __u8 num_planes;
  1952. __u8 flags;
  1953. union {
  1954. __u8 ycbcr_enc;
  1955. __u8 hsv_enc;
  1956. };
  1957. __u8 quantization;
  1958. __u8 xfer_func;
  1959. __u8 reserved[7];
  1960. } __attribute__ ((packed));
  1961. /**
  1962. * struct v4l2_sdr_format - SDR format definition
  1963. * @pixelformat: little endian four character code (fourcc)
  1964. * @buffersize: maximum size in bytes required for data
  1965. */
  1966. struct v4l2_sdr_format {
  1967. __u32 pixelformat;
  1968. __u32 buffersize;
  1969. __u8 reserved[24];
  1970. } __attribute__ ((packed));
  1971. /**
  1972. * struct v4l2_meta_format - metadata format definition
  1973. * @dataformat: little endian four character code (fourcc)
  1974. * @buffersize: maximum size in bytes required for data
  1975. */
  1976. struct v4l2_meta_format {
  1977. __u32 dataformat;
  1978. __u32 buffersize;
  1979. } __attribute__ ((packed));
  1980. /**
  1981. * struct v4l2_format - stream data format
  1982. * @type: enum v4l2_buf_type; type of the data stream
  1983. * @pix: definition of an image format
  1984. * @pix_mp: definition of a multiplanar image format
  1985. * @win: definition of an overlaid image
  1986. * @vbi: raw VBI capture or output parameters
  1987. * @sliced: sliced VBI capture or output parameters
  1988. * @raw_data: placeholder for future extensions and custom formats
  1989. */
  1990. struct v4l2_format {
  1991. __u32 type;
  1992. union {
  1993. struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
  1994. struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
  1995. struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
  1996. struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
  1997. struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
  1998. struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
  1999. struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
  2000. __u8 raw_data[200]; /* user-defined */
  2001. } fmt;
  2002. };
  2003. /* Stream type-dependent parameters
  2004. */
  2005. struct v4l2_streamparm {
  2006. __u32 type; /* enum v4l2_buf_type */
  2007. union {
  2008. struct v4l2_captureparm capture;
  2009. struct v4l2_outputparm output;
  2010. __u8 raw_data[200]; /* user-defined */
  2011. } parm;
  2012. };
  2013. /*
  2014. * E V E N T S
  2015. */
  2016. #define V4L2_EVENT_ALL 0
  2017. #define V4L2_EVENT_VSYNC 1
  2018. #define V4L2_EVENT_EOS 2
  2019. #define V4L2_EVENT_CTRL 3
  2020. #define V4L2_EVENT_FRAME_SYNC 4
  2021. #define V4L2_EVENT_SOURCE_CHANGE 5
  2022. #define V4L2_EVENT_MOTION_DET 6
  2023. #define V4L2_EVENT_PRIVATE_START 0x08000000
  2024. #define V4L2_EVENT_MTK_VCODEC_START (V4L2_EVENT_PRIVATE_START + 0x00002000)
  2025. #define V4L2_EVENT_MTK_VDEC_ERROR (V4L2_EVENT_MTK_VCODEC_START + 1)
  2026. #define V4L2_EVENT_MTK_VDEC_NOHEADER (V4L2_EVENT_MTK_VCODEC_START + 2)
  2027. #define V4L2_EVENT_MTK_VENC_ERROR (V4L2_EVENT_MTK_VCODEC_START + 3)
  2028. /* Payload for V4L2_EVENT_VSYNC */
  2029. struct v4l2_event_vsync {
  2030. /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
  2031. __u8 field;
  2032. } __attribute__ ((packed));
  2033. /* Payload for V4L2_EVENT_CTRL */
  2034. #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
  2035. #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
  2036. #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
  2037. struct v4l2_event_ctrl {
  2038. __u32 changes;
  2039. __u32 type;
  2040. union {
  2041. __s32 value;
  2042. __s64 value64;
  2043. };
  2044. __u32 flags;
  2045. __s32 minimum;
  2046. __s32 maximum;
  2047. __s32 step;
  2048. __s32 default_value;
  2049. };
  2050. struct v4l2_event_frame_sync {
  2051. __u32 frame_sequence;
  2052. };
  2053. #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
  2054. struct v4l2_event_src_change {
  2055. __u32 changes;
  2056. };
  2057. #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
  2058. /**
  2059. * struct v4l2_event_motion_det - motion detection event
  2060. * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
  2061. * frame_sequence field is valid.
  2062. * @frame_sequence: the frame sequence number associated with this event.
  2063. * @region_mask: which regions detected motion.
  2064. */
  2065. struct v4l2_event_motion_det {
  2066. __u32 flags;
  2067. __u32 frame_sequence;
  2068. __u32 region_mask;
  2069. };
  2070. struct v4l2_event {
  2071. __u32 type;
  2072. union {
  2073. struct v4l2_event_vsync vsync;
  2074. struct v4l2_event_ctrl ctrl;
  2075. struct v4l2_event_frame_sync frame_sync;
  2076. struct v4l2_event_src_change src_change;
  2077. struct v4l2_event_motion_det motion_det;
  2078. __u8 data[64];
  2079. } u;
  2080. __u32 pending;
  2081. __u32 sequence;
  2082. struct timespec timestamp;
  2083. __u32 id;
  2084. __u32 reserved[8];
  2085. };
  2086. #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
  2087. #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
  2088. struct v4l2_event_subscription {
  2089. __u32 type;
  2090. __u32 id;
  2091. __u32 flags;
  2092. __u32 reserved[5];
  2093. };
  2094. /*
  2095. * A D V A N C E D D E B U G G I N G
  2096. *
  2097. * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
  2098. * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
  2099. */
  2100. /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  2101. #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
  2102. #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
  2103. /* The following four defines are no longer in use */
  2104. #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
  2105. #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
  2106. #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
  2107. #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
  2108. struct v4l2_dbg_match {
  2109. __u32 type; /* Match type */
  2110. union { /* Match this chip, meaning determined by type */
  2111. __u32 addr;
  2112. char name[32];
  2113. };
  2114. } __attribute__ ((packed));
  2115. struct v4l2_dbg_register {
  2116. struct v4l2_dbg_match match;
  2117. __u32 size; /* register size in bytes */
  2118. __u64 reg;
  2119. __u64 val;
  2120. } __attribute__ ((packed));
  2121. #define V4L2_CHIP_FL_READABLE (1 << 0)
  2122. #define V4L2_CHIP_FL_WRITABLE (1 << 1)
  2123. /* VIDIOC_DBG_G_CHIP_INFO */
  2124. struct v4l2_dbg_chip_info {
  2125. struct v4l2_dbg_match match;
  2126. char name[32];
  2127. __u32 flags;
  2128. __u32 reserved[32];
  2129. } __attribute__ ((packed));
  2130. /**
  2131. * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
  2132. * @index: on return, index of the first created buffer
  2133. * @count: entry: number of requested buffers,
  2134. * return: number of created buffers
  2135. * @memory: enum v4l2_memory; buffer memory type
  2136. * @format: frame format, for which buffers are requested
  2137. * @reserved: future extensions
  2138. */
  2139. struct v4l2_create_buffers {
  2140. __u32 index;
  2141. __u32 count;
  2142. __u32 memory;
  2143. struct v4l2_format format;
  2144. __u32 reserved[8];
  2145. };
  2146. /*
  2147. * 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
  2148. *
  2149. */
  2150. #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
  2151. #define VIDIOC_RESERVED _IO('V', 1)
  2152. #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
  2153. #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
  2154. #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
  2155. #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
  2156. #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
  2157. #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
  2158. #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
  2159. #define VIDIOC_OVERLAY _IOW('V', 14, int)
  2160. #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
  2161. #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
  2162. #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
  2163. #define VIDIOC_STREAMON _IOW('V', 18, int)
  2164. #define VIDIOC_STREAMOFF _IOW('V', 19, int)
  2165. #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
  2166. #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
  2167. #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
  2168. #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
  2169. #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
  2170. #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
  2171. #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
  2172. #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
  2173. #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
  2174. #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
  2175. #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
  2176. #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
  2177. #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
  2178. #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
  2179. #define VIDIOC_G_INPUT _IOR('V', 38, int)
  2180. #define VIDIOC_S_INPUT _IOWR('V', 39, int)
  2181. #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
  2182. #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
  2183. #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
  2184. #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
  2185. #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
  2186. #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
  2187. #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
  2188. #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
  2189. #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
  2190. #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
  2191. #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
  2192. #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
  2193. #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
  2194. #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
  2195. #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
  2196. #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
  2197. #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
  2198. #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
  2199. #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
  2200. #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
  2201. #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
  2202. #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
  2203. #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
  2204. #define VIDIOC_LOG_STATUS _IO('V', 70)
  2205. #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
  2206. #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
  2207. #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
  2208. #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
  2209. #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
  2210. #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
  2211. #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
  2212. #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
  2213. /*
  2214. * Experimental, meant for debugging, testing and internal use.
  2215. * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
  2216. * You must be root to use these ioctls. Never use these in applications!
  2217. */
  2218. #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
  2219. #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
  2220. #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
  2221. #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
  2222. #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
  2223. #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
  2224. #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
  2225. #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
  2226. #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
  2227. #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
  2228. #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
  2229. #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
  2230. #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
  2231. #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
  2232. #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
  2233. #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
  2234. #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
  2235. #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
  2236. /*
  2237. * Experimental, meant for debugging, testing and internal use.
  2238. * Never use this in applications!
  2239. */
  2240. #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
  2241. #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
  2242. /* Reminder: when adding new ioctls please add support for them to
  2243. drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
  2244. #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
  2245. #endif /* _UAPI__LINUX_VIDEODEV2_H */