videodev2.h 50 KB

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  1. /*
  2. * Video for Linux Two header file
  3. *
  4. * Copyright (C) 1999-2007 the contributors
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * Alternatively you can redistribute this file under the terms of the
  17. * BSD license as stated below:
  18. *
  19. * Redistribution and use in source and binary forms, with or without
  20. * modification, are permitted provided that the following conditions
  21. * are met:
  22. * 1. Redistributions of source code must retain the above copyright
  23. * notice, this list of conditions and the following disclaimer.
  24. * 2. Redistributions in binary form must reproduce the above copyright
  25. * notice, this list of conditions and the following disclaimer in
  26. * the documentation and/or other materials provided with the
  27. * distribution.
  28. * 3. The names of its contributors may not be used to endorse or promote
  29. * products derived from this software without specific prior written
  30. * permission.
  31. *
  32. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  33. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  34. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  35. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  36. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  37. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  38. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  39. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  40. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  41. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  42. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  43. *
  44. * Header file for v4l or V4L2 drivers and applications
  45. * with public API.
  46. * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  47. * no #if __KERNEL tests are allowed here
  48. *
  49. * See http://linuxtv.org for more info
  50. *
  51. * Author: Bill Dirks <bill@thedirks.org>
  52. * Justin Schoeman
  53. * Hans Verkuil <hverkuil@xs4all.nl>
  54. * et al.
  55. */
  56. #ifndef __LINUX_VIDEODEV2_H
  57. #define __LINUX_VIDEODEV2_H
  58. #ifdef __KERNEL__
  59. #include <linux/time.h> /* need struct timeval */
  60. #include <linux/compiler.h> /* need __user */
  61. #else
  62. #define __user
  63. #include <sys/time.h>
  64. #endif
  65. #include <linux/ioctl.h>
  66. #include <linux/types.h>
  67. /*
  68. * Common stuff for both V4L1 and V4L2
  69. * Moved from videodev.h
  70. */
  71. #define VIDEO_MAX_FRAME 32
  72. #define VID_TYPE_CAPTURE 1 /* Can capture */
  73. #define VID_TYPE_TUNER 2 /* Can tune */
  74. #define VID_TYPE_TELETEXT 4 /* Does teletext */
  75. #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
  76. #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
  77. #define VID_TYPE_CLIPPING 32 /* Can clip */
  78. #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
  79. #define VID_TYPE_SCALES 128 /* Scalable */
  80. #define VID_TYPE_MONOCHROME 256 /* Monochrome only */
  81. #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
  82. #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
  83. #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
  84. #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
  85. #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
  86. /*
  87. * M I S C E L L A N E O U S
  88. */
  89. /* Four-character-code (FOURCC) */
  90. #define v4l2_fourcc(a,b,c,d)\
  91. (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
  92. /*
  93. * E N U M S
  94. */
  95. enum v4l2_field {
  96. V4L2_FIELD_ANY = 0, /* driver can choose from none,
  97. top, bottom, interlaced
  98. depending on whatever it thinks
  99. is approximate ... */
  100. V4L2_FIELD_NONE = 1, /* this device has no fields ... */
  101. V4L2_FIELD_TOP = 2, /* top field only */
  102. V4L2_FIELD_BOTTOM = 3, /* bottom field only */
  103. V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
  104. V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
  105. buffer, top-bottom order */
  106. V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
  107. V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
  108. separate buffers */
  109. V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  110. first and the top field is
  111. transmitted first */
  112. V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  113. first and the bottom field is
  114. transmitted first */
  115. };
  116. #define V4L2_FIELD_HAS_TOP(field) \
  117. ((field) == V4L2_FIELD_TOP ||\
  118. (field) == V4L2_FIELD_INTERLACED ||\
  119. (field) == V4L2_FIELD_INTERLACED_TB ||\
  120. (field) == V4L2_FIELD_INTERLACED_BT ||\
  121. (field) == V4L2_FIELD_SEQ_TB ||\
  122. (field) == V4L2_FIELD_SEQ_BT)
  123. #define V4L2_FIELD_HAS_BOTTOM(field) \
  124. ((field) == V4L2_FIELD_BOTTOM ||\
  125. (field) == V4L2_FIELD_INTERLACED ||\
  126. (field) == V4L2_FIELD_INTERLACED_TB ||\
  127. (field) == V4L2_FIELD_INTERLACED_BT ||\
  128. (field) == V4L2_FIELD_SEQ_TB ||\
  129. (field) == V4L2_FIELD_SEQ_BT)
  130. #define V4L2_FIELD_HAS_BOTH(field) \
  131. ((field) == V4L2_FIELD_INTERLACED ||\
  132. (field) == V4L2_FIELD_INTERLACED_TB ||\
  133. (field) == V4L2_FIELD_INTERLACED_BT ||\
  134. (field) == V4L2_FIELD_SEQ_TB ||\
  135. (field) == V4L2_FIELD_SEQ_BT)
  136. enum v4l2_buf_type {
  137. V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
  138. V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
  139. V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
  140. V4L2_BUF_TYPE_VBI_CAPTURE = 4,
  141. V4L2_BUF_TYPE_VBI_OUTPUT = 5,
  142. V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
  143. V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
  144. #if 1
  145. /* Experimental */
  146. V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  147. #endif
  148. V4L2_BUF_TYPE_PRIVATE = 0x80,
  149. };
  150. enum v4l2_ctrl_type {
  151. V4L2_CTRL_TYPE_INTEGER = 1,
  152. V4L2_CTRL_TYPE_BOOLEAN = 2,
  153. V4L2_CTRL_TYPE_MENU = 3,
  154. V4L2_CTRL_TYPE_BUTTON = 4,
  155. V4L2_CTRL_TYPE_INTEGER64 = 5,
  156. V4L2_CTRL_TYPE_CTRL_CLASS = 6,
  157. };
  158. enum v4l2_tuner_type {
  159. V4L2_TUNER_RADIO = 1,
  160. V4L2_TUNER_ANALOG_TV = 2,
  161. V4L2_TUNER_DIGITAL_TV = 3,
  162. };
  163. enum v4l2_memory {
  164. V4L2_MEMORY_MMAP = 1,
  165. V4L2_MEMORY_USERPTR = 2,
  166. V4L2_MEMORY_OVERLAY = 3,
  167. };
  168. /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  169. enum v4l2_colorspace {
  170. /* ITU-R 601 -- broadcast NTSC/PAL */
  171. V4L2_COLORSPACE_SMPTE170M = 1,
  172. /* 1125-Line (US) HDTV */
  173. V4L2_COLORSPACE_SMPTE240M = 2,
  174. /* HD and modern captures. */
  175. V4L2_COLORSPACE_REC709 = 3,
  176. /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
  177. V4L2_COLORSPACE_BT878 = 4,
  178. /* These should be useful. Assume 601 extents. */
  179. V4L2_COLORSPACE_470_SYSTEM_M = 5,
  180. V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  181. /* I know there will be cameras that send this. So, this is
  182. * unspecified chromaticities and full 0-255 on each of the
  183. * Y'CbCr components
  184. */
  185. V4L2_COLORSPACE_JPEG = 7,
  186. /* For RGB colourspaces, this is probably a good start. */
  187. V4L2_COLORSPACE_SRGB = 8,
  188. };
  189. enum v4l2_priority {
  190. V4L2_PRIORITY_UNSET = 0, /* not initialized */
  191. V4L2_PRIORITY_BACKGROUND = 1,
  192. V4L2_PRIORITY_INTERACTIVE = 2,
  193. V4L2_PRIORITY_RECORD = 3,
  194. V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
  195. };
  196. struct v4l2_rect {
  197. __s32 left;
  198. __s32 top;
  199. __s32 width;
  200. __s32 height;
  201. };
  202. struct v4l2_fract {
  203. __u32 numerator;
  204. __u32 denominator;
  205. };
  206. /*
  207. * D R I V E R C A P A B I L I T I E S
  208. */
  209. struct v4l2_capability
  210. {
  211. __u8 driver[16]; /* i.e. "bttv" */
  212. __u8 card[32]; /* i.e. "Hauppauge WinTV" */
  213. __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
  214. __u32 version; /* should use KERNEL_VERSION() */
  215. __u32 capabilities; /* Device capabilities */
  216. __u32 reserved[4];
  217. };
  218. /* Values for 'capabilities' field */
  219. #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
  220. #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
  221. #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
  222. #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
  223. #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
  224. #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
  225. #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
  226. #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
  227. #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
  228. #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
  229. #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
  230. #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
  231. #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
  232. #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
  233. #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
  234. #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
  235. /*
  236. * V I D E O I M A G E F O R M A T
  237. */
  238. struct v4l2_pix_format
  239. {
  240. __u32 width;
  241. __u32 height;
  242. __u32 pixelformat;
  243. enum v4l2_field field;
  244. __u32 bytesperline; /* for padding, zero if unused */
  245. __u32 sizeimage;
  246. enum v4l2_colorspace colorspace;
  247. __u32 priv; /* private data, depends on pixelformat */
  248. };
  249. /* Pixel format FOURCC depth Description */
  250. #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
  251. #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R','4','4','4') /* 16 xxxxrrrr ggggbbbb */
  252. #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
  253. #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
  254. #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
  255. #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
  256. #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
  257. #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
  258. #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
  259. #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
  260. #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
  261. #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y','1','6',' ') /* 16 Greyscale */
  262. #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P','A','L','8') /* 8 8-bit palette */
  263. #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
  264. #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
  265. #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
  266. #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
  267. #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
  268. #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
  269. #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
  270. #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y','4','4','4') /* 16 xxxxyyyy uuuuvvvv */
  271. #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y','U','V','O') /* 16 YUV-5-5-5 */
  272. #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y','U','V','P') /* 16 YUV-5-6-5 */
  273. #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y','U','V','4') /* 32 YUV-8-8-8-8 */
  274. /* two planes -- one Y, one Cr + Cb interleaved */
  275. #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
  276. #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
  277. /* The following formats are not defined in the V4L2 specification */
  278. #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
  279. #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
  280. #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
  281. #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
  282. #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H','M','1','2') /* 8 YUV 4:2:0 16x16 macroblocks */
  283. /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
  284. #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */
  285. #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G','B','R','G') /* 8 GBGB.. RGRG.. */
  286. #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B','Y','R','2') /* 16 BGBG.. GRGR.. */
  287. /* compressed formats */
  288. #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
  289. #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
  290. #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
  291. #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG-1/2/4 */
  292. /* Vendor-specific formats */
  293. #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
  294. #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
  295. #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */
  296. #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
  297. #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */
  298. #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S','5','0','1') /* YUYV per line */
  299. #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S','5','6','1') /* compressed GBRG bayer */
  300. #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P','2','0','7') /* compressed BGGR bayer */
  301. /*
  302. * F O R M A T E N U M E R A T I O N
  303. */
  304. struct v4l2_fmtdesc
  305. {
  306. __u32 index; /* Format number */
  307. enum v4l2_buf_type type; /* buffer type */
  308. __u32 flags;
  309. __u8 description[32]; /* Description string */
  310. __u32 pixelformat; /* Format fourcc */
  311. __u32 reserved[4];
  312. };
  313. #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  314. #if 1
  315. /* Experimental Frame Size and frame rate enumeration */
  316. /*
  317. * F R A M E S I Z E E N U M E R A T I O N
  318. */
  319. enum v4l2_frmsizetypes
  320. {
  321. V4L2_FRMSIZE_TYPE_DISCRETE = 1,
  322. V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
  323. V4L2_FRMSIZE_TYPE_STEPWISE = 3,
  324. };
  325. struct v4l2_frmsize_discrete
  326. {
  327. __u32 width; /* Frame width [pixel] */
  328. __u32 height; /* Frame height [pixel] */
  329. };
  330. struct v4l2_frmsize_stepwise
  331. {
  332. __u32 min_width; /* Minimum frame width [pixel] */
  333. __u32 max_width; /* Maximum frame width [pixel] */
  334. __u32 step_width; /* Frame width step size [pixel] */
  335. __u32 min_height; /* Minimum frame height [pixel] */
  336. __u32 max_height; /* Maximum frame height [pixel] */
  337. __u32 step_height; /* Frame height step size [pixel] */
  338. };
  339. struct v4l2_frmsizeenum
  340. {
  341. __u32 index; /* Frame size number */
  342. __u32 pixel_format; /* Pixel format */
  343. __u32 type; /* Frame size type the device supports. */
  344. union { /* Frame size */
  345. struct v4l2_frmsize_discrete discrete;
  346. struct v4l2_frmsize_stepwise stepwise;
  347. };
  348. __u32 reserved[2]; /* Reserved space for future use */
  349. };
  350. /*
  351. * F R A M E R A T E E N U M E R A T I O N
  352. */
  353. enum v4l2_frmivaltypes
  354. {
  355. V4L2_FRMIVAL_TYPE_DISCRETE = 1,
  356. V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
  357. V4L2_FRMIVAL_TYPE_STEPWISE = 3,
  358. };
  359. struct v4l2_frmival_stepwise
  360. {
  361. struct v4l2_fract min; /* Minimum frame interval [s] */
  362. struct v4l2_fract max; /* Maximum frame interval [s] */
  363. struct v4l2_fract step; /* Frame interval step size [s] */
  364. };
  365. struct v4l2_frmivalenum
  366. {
  367. __u32 index; /* Frame format index */
  368. __u32 pixel_format; /* Pixel format */
  369. __u32 width; /* Frame width */
  370. __u32 height; /* Frame height */
  371. __u32 type; /* Frame interval type the device supports. */
  372. union { /* Frame interval */
  373. struct v4l2_fract discrete;
  374. struct v4l2_frmival_stepwise stepwise;
  375. };
  376. __u32 reserved[2]; /* Reserved space for future use */
  377. };
  378. #endif
  379. /*
  380. * T I M E C O D E
  381. */
  382. struct v4l2_timecode
  383. {
  384. __u32 type;
  385. __u32 flags;
  386. __u8 frames;
  387. __u8 seconds;
  388. __u8 minutes;
  389. __u8 hours;
  390. __u8 userbits[4];
  391. };
  392. /* Type */
  393. #define V4L2_TC_TYPE_24FPS 1
  394. #define V4L2_TC_TYPE_25FPS 2
  395. #define V4L2_TC_TYPE_30FPS 3
  396. #define V4L2_TC_TYPE_50FPS 4
  397. #define V4L2_TC_TYPE_60FPS 5
  398. /* Flags */
  399. #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
  400. #define V4L2_TC_FLAG_COLORFRAME 0x0002
  401. #define V4L2_TC_USERBITS_field 0x000C
  402. #define V4L2_TC_USERBITS_USERDEFINED 0x0000
  403. #define V4L2_TC_USERBITS_8BITCHARS 0x0008
  404. /* The above is based on SMPTE timecodes */
  405. struct v4l2_jpegcompression
  406. {
  407. int quality;
  408. int APPn; /* Number of APP segment to be written,
  409. * must be 0..15 */
  410. int APP_len; /* Length of data in JPEG APPn segment */
  411. char APP_data[60]; /* Data in the JPEG APPn segment. */
  412. int COM_len; /* Length of data in JPEG COM segment */
  413. char COM_data[60]; /* Data in JPEG COM segment */
  414. __u32 jpeg_markers; /* Which markers should go into the JPEG
  415. * output. Unless you exactly know what
  416. * you do, leave them untouched.
  417. * Inluding less markers will make the
  418. * resulting code smaller, but there will
  419. * be fewer aplications which can read it.
  420. * The presence of the APP and COM marker
  421. * is influenced by APP_len and COM_len
  422. * ONLY, not by this property! */
  423. #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
  424. #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
  425. #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
  426. #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
  427. #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
  428. * allways use APP0 */
  429. };
  430. /*
  431. * M E M O R Y - M A P P I N G B U F F E R S
  432. */
  433. struct v4l2_requestbuffers
  434. {
  435. __u32 count;
  436. enum v4l2_buf_type type;
  437. enum v4l2_memory memory;
  438. __u32 reserved[2];
  439. };
  440. struct v4l2_buffer
  441. {
  442. __u32 index;
  443. enum v4l2_buf_type type;
  444. __u32 bytesused;
  445. __u32 flags;
  446. enum v4l2_field field;
  447. struct timeval timestamp;
  448. struct v4l2_timecode timecode;
  449. __u32 sequence;
  450. /* memory location */
  451. enum v4l2_memory memory;
  452. union {
  453. __u32 offset;
  454. unsigned long userptr;
  455. } m;
  456. __u32 length;
  457. __u32 input;
  458. __u32 reserved;
  459. };
  460. /* Flags for 'flags' field */
  461. #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
  462. #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
  463. #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
  464. #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
  465. #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
  466. #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
  467. #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
  468. #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
  469. /*
  470. * O V E R L A Y P R E V I E W
  471. */
  472. struct v4l2_framebuffer
  473. {
  474. __u32 capability;
  475. __u32 flags;
  476. /* FIXME: in theory we should pass something like PCI device + memory
  477. * region + offset instead of some physical address */
  478. void* base;
  479. struct v4l2_pix_format fmt;
  480. };
  481. /* Flags for the 'capability' field. Read only */
  482. #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
  483. #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
  484. #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
  485. #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
  486. #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
  487. #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
  488. #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
  489. /* Flags for the 'flags' field. */
  490. #define V4L2_FBUF_FLAG_PRIMARY 0x0001
  491. #define V4L2_FBUF_FLAG_OVERLAY 0x0002
  492. #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
  493. #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
  494. #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
  495. #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
  496. struct v4l2_clip
  497. {
  498. struct v4l2_rect c;
  499. struct v4l2_clip __user *next;
  500. };
  501. struct v4l2_window
  502. {
  503. struct v4l2_rect w;
  504. enum v4l2_field field;
  505. __u32 chromakey;
  506. struct v4l2_clip __user *clips;
  507. __u32 clipcount;
  508. void __user *bitmap;
  509. __u8 global_alpha;
  510. };
  511. /*
  512. * C A P T U R E P A R A M E T E R S
  513. */
  514. struct v4l2_captureparm
  515. {
  516. __u32 capability; /* Supported modes */
  517. __u32 capturemode; /* Current mode */
  518. struct v4l2_fract timeperframe; /* Time per frame in .1us units */
  519. __u32 extendedmode; /* Driver-specific extensions */
  520. __u32 readbuffers; /* # of buffers for read */
  521. __u32 reserved[4];
  522. };
  523. /* Flags for 'capability' and 'capturemode' fields */
  524. #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
  525. #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
  526. struct v4l2_outputparm
  527. {
  528. __u32 capability; /* Supported modes */
  529. __u32 outputmode; /* Current mode */
  530. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  531. __u32 extendedmode; /* Driver-specific extensions */
  532. __u32 writebuffers; /* # of buffers for write */
  533. __u32 reserved[4];
  534. };
  535. /*
  536. * I N P U T I M A G E C R O P P I N G
  537. */
  538. struct v4l2_cropcap {
  539. enum v4l2_buf_type type;
  540. struct v4l2_rect bounds;
  541. struct v4l2_rect defrect;
  542. struct v4l2_fract pixelaspect;
  543. };
  544. struct v4l2_crop {
  545. enum v4l2_buf_type type;
  546. struct v4l2_rect c;
  547. };
  548. /*
  549. * A N A L O G V I D E O S T A N D A R D
  550. */
  551. typedef __u64 v4l2_std_id;
  552. /* one bit for each */
  553. #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
  554. #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
  555. #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
  556. #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
  557. #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
  558. #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
  559. #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
  560. #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
  561. #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
  562. #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
  563. #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
  564. #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
  565. #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
  566. #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
  567. #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
  568. #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
  569. #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
  570. #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
  571. #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
  572. #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
  573. #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
  574. #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
  575. #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
  576. #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
  577. /* ATSC/HDTV */
  578. #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
  579. #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
  580. /* FIXME:
  581. Although std_id is 64 bits, there is an issue on PPC32 architecture that
  582. makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  583. this value to 32 bits.
  584. As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  585. it should work fine. However, if needed to add more than two standards,
  586. v4l2-common.c should be fixed.
  587. */
  588. /* some merged standards */
  589. #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
  590. #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
  591. #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
  592. #define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
  593. /* some common needed stuff */
  594. #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
  595. V4L2_STD_PAL_B1 |\
  596. V4L2_STD_PAL_G)
  597. #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
  598. V4L2_STD_PAL_D1 |\
  599. V4L2_STD_PAL_K)
  600. #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
  601. V4L2_STD_PAL_DK |\
  602. V4L2_STD_PAL_H |\
  603. V4L2_STD_PAL_I)
  604. #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
  605. V4L2_STD_NTSC_M_JP |\
  606. V4L2_STD_NTSC_M_KR)
  607. #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
  608. V4L2_STD_SECAM_K |\
  609. V4L2_STD_SECAM_K1)
  610. #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
  611. V4L2_STD_SECAM_G |\
  612. V4L2_STD_SECAM_H |\
  613. V4L2_STD_SECAM_DK |\
  614. V4L2_STD_SECAM_L |\
  615. V4L2_STD_SECAM_LC)
  616. #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
  617. V4L2_STD_PAL_60 |\
  618. V4L2_STD_NTSC |\
  619. V4L2_STD_NTSC_443)
  620. #define V4L2_STD_625_50 (V4L2_STD_PAL |\
  621. V4L2_STD_PAL_N |\
  622. V4L2_STD_PAL_Nc |\
  623. V4L2_STD_SECAM)
  624. #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
  625. V4L2_STD_ATSC_16_VSB)
  626. #define V4L2_STD_UNKNOWN 0
  627. #define V4L2_STD_ALL (V4L2_STD_525_60 |\
  628. V4L2_STD_625_50)
  629. struct v4l2_standard
  630. {
  631. __u32 index;
  632. v4l2_std_id id;
  633. __u8 name[24];
  634. struct v4l2_fract frameperiod; /* Frames, not fields */
  635. __u32 framelines;
  636. __u32 reserved[4];
  637. };
  638. /*
  639. * V I D E O I N P U T S
  640. */
  641. struct v4l2_input
  642. {
  643. __u32 index; /* Which input */
  644. __u8 name[32]; /* Label */
  645. __u32 type; /* Type of input */
  646. __u32 audioset; /* Associated audios (bitfield) */
  647. __u32 tuner; /* Associated tuner */
  648. v4l2_std_id std;
  649. __u32 status;
  650. __u32 reserved[4];
  651. };
  652. /* Values for the 'type' field */
  653. #define V4L2_INPUT_TYPE_TUNER 1
  654. #define V4L2_INPUT_TYPE_CAMERA 2
  655. /* field 'status' - general */
  656. #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
  657. #define V4L2_IN_ST_NO_SIGNAL 0x00000002
  658. #define V4L2_IN_ST_NO_COLOR 0x00000004
  659. /* field 'status' - analog */
  660. #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
  661. #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
  662. /* field 'status' - digital */
  663. #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
  664. #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
  665. #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
  666. /* field 'status' - VCR and set-top box */
  667. #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
  668. #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
  669. #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
  670. /*
  671. * V I D E O O U T P U T S
  672. */
  673. struct v4l2_output
  674. {
  675. __u32 index; /* Which output */
  676. __u8 name[32]; /* Label */
  677. __u32 type; /* Type of output */
  678. __u32 audioset; /* Associated audios (bitfield) */
  679. __u32 modulator; /* Associated modulator */
  680. v4l2_std_id std;
  681. __u32 reserved[4];
  682. };
  683. /* Values for the 'type' field */
  684. #define V4L2_OUTPUT_TYPE_MODULATOR 1
  685. #define V4L2_OUTPUT_TYPE_ANALOG 2
  686. #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
  687. /*
  688. * C O N T R O L S
  689. */
  690. struct v4l2_control
  691. {
  692. __u32 id;
  693. __s32 value;
  694. };
  695. struct v4l2_ext_control
  696. {
  697. __u32 id;
  698. __u32 reserved2[2];
  699. union {
  700. __s32 value;
  701. __s64 value64;
  702. void *reserved;
  703. };
  704. } __attribute__ ((packed));
  705. struct v4l2_ext_controls
  706. {
  707. __u32 ctrl_class;
  708. __u32 count;
  709. __u32 error_idx;
  710. __u32 reserved[2];
  711. struct v4l2_ext_control *controls;
  712. };
  713. /* Values for ctrl_class field */
  714. #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */
  715. #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */
  716. #define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */
  717. #define V4L2_CTRL_ID_MASK (0x0fffffff)
  718. #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
  719. #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  720. /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  721. struct v4l2_queryctrl
  722. {
  723. __u32 id;
  724. enum v4l2_ctrl_type type;
  725. __u8 name[32]; /* Whatever */
  726. __s32 minimum; /* Note signedness */
  727. __s32 maximum;
  728. __s32 step;
  729. __s32 default_value;
  730. __u32 flags;
  731. __u32 reserved[2];
  732. };
  733. /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  734. struct v4l2_querymenu
  735. {
  736. __u32 id;
  737. __u32 index;
  738. __u8 name[32]; /* Whatever */
  739. __u32 reserved;
  740. };
  741. /* Control flags */
  742. #define V4L2_CTRL_FLAG_DISABLED 0x0001
  743. #define V4L2_CTRL_FLAG_GRABBED 0x0002
  744. #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
  745. #define V4L2_CTRL_FLAG_UPDATE 0x0008
  746. #define V4L2_CTRL_FLAG_INACTIVE 0x0010
  747. #define V4L2_CTRL_FLAG_SLIDER 0x0020
  748. /* Query flag, to be ORed with the control ID */
  749. #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
  750. /* User-class control IDs defined by V4L2 */
  751. #define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900)
  752. #define V4L2_CID_USER_BASE V4L2_CID_BASE
  753. /* IDs reserved for driver specific controls */
  754. #define V4L2_CID_PRIVATE_BASE 0x08000000
  755. #define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1)
  756. #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
  757. #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
  758. #define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
  759. #define V4L2_CID_HUE (V4L2_CID_BASE+3)
  760. #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
  761. #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
  762. #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
  763. #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
  764. #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
  765. #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
  766. #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) /* Deprecated */
  767. #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
  768. #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
  769. #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
  770. #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
  771. #define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
  772. #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* Deprecated */
  773. #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
  774. #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
  775. #define V4L2_CID_GAIN (V4L2_CID_BASE+19)
  776. #define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
  777. #define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
  778. /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
  779. #define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
  780. #define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
  781. #define V4L2_CID_POWER_LINE_FREQUENCY (V4L2_CID_BASE+24)
  782. enum v4l2_power_line_frequency {
  783. V4L2_CID_POWER_LINE_FREQUENCY_DISABLED = 0,
  784. V4L2_CID_POWER_LINE_FREQUENCY_50HZ = 1,
  785. V4L2_CID_POWER_LINE_FREQUENCY_60HZ = 2,
  786. };
  787. #define V4L2_CID_HUE_AUTO (V4L2_CID_BASE+25)
  788. #define V4L2_CID_WHITE_BALANCE_TEMPERATURE (V4L2_CID_BASE+26)
  789. #define V4L2_CID_SHARPNESS (V4L2_CID_BASE+27)
  790. #define V4L2_CID_BACKLIGHT_COMPENSATION (V4L2_CID_BASE+28)
  791. #define V4L2_CID_CHROMA_AGC (V4L2_CID_BASE+29)
  792. #define V4L2_CID_COLOR_KILLER (V4L2_CID_BASE+30)
  793. /* last CID + 1 */
  794. #define V4L2_CID_LASTP1 (V4L2_CID_BASE+31)
  795. /* MPEG-class control IDs defined by V4L2 */
  796. #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
  797. #define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1)
  798. /* MPEG streams */
  799. #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0)
  800. enum v4l2_mpeg_stream_type {
  801. V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */
  802. V4L2_MPEG_STREAM_TYPE_MPEG2_TS = 1, /* MPEG-2 transport stream */
  803. V4L2_MPEG_STREAM_TYPE_MPEG1_SS = 2, /* MPEG-1 system stream */
  804. V4L2_MPEG_STREAM_TYPE_MPEG2_DVD = 3, /* MPEG-2 DVD-compatible stream */
  805. V4L2_MPEG_STREAM_TYPE_MPEG1_VCD = 4, /* MPEG-1 VCD-compatible stream */
  806. V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
  807. };
  808. #define V4L2_CID_MPEG_STREAM_PID_PMT (V4L2_CID_MPEG_BASE+1)
  809. #define V4L2_CID_MPEG_STREAM_PID_AUDIO (V4L2_CID_MPEG_BASE+2)
  810. #define V4L2_CID_MPEG_STREAM_PID_VIDEO (V4L2_CID_MPEG_BASE+3)
  811. #define V4L2_CID_MPEG_STREAM_PID_PCR (V4L2_CID_MPEG_BASE+4)
  812. #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (V4L2_CID_MPEG_BASE+5)
  813. #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (V4L2_CID_MPEG_BASE+6)
  814. #define V4L2_CID_MPEG_STREAM_VBI_FMT (V4L2_CID_MPEG_BASE+7)
  815. enum v4l2_mpeg_stream_vbi_fmt {
  816. V4L2_MPEG_STREAM_VBI_FMT_NONE = 0, /* No VBI in the MPEG stream */
  817. V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */
  818. };
  819. /* MPEG audio */
  820. #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100)
  821. enum v4l2_mpeg_audio_sampling_freq {
  822. V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
  823. V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
  824. V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
  825. };
  826. #define V4L2_CID_MPEG_AUDIO_ENCODING (V4L2_CID_MPEG_BASE+101)
  827. enum v4l2_mpeg_audio_encoding {
  828. V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
  829. V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
  830. V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
  831. };
  832. #define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102)
  833. enum v4l2_mpeg_audio_l1_bitrate {
  834. V4L2_MPEG_AUDIO_L1_BITRATE_32K = 0,
  835. V4L2_MPEG_AUDIO_L1_BITRATE_64K = 1,
  836. V4L2_MPEG_AUDIO_L1_BITRATE_96K = 2,
  837. V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
  838. V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
  839. V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
  840. V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
  841. V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
  842. V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
  843. V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
  844. V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
  845. V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
  846. V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
  847. V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
  848. };
  849. #define V4L2_CID_MPEG_AUDIO_L2_BITRATE (V4L2_CID_MPEG_BASE+103)
  850. enum v4l2_mpeg_audio_l2_bitrate {
  851. V4L2_MPEG_AUDIO_L2_BITRATE_32K = 0,
  852. V4L2_MPEG_AUDIO_L2_BITRATE_48K = 1,
  853. V4L2_MPEG_AUDIO_L2_BITRATE_56K = 2,
  854. V4L2_MPEG_AUDIO_L2_BITRATE_64K = 3,
  855. V4L2_MPEG_AUDIO_L2_BITRATE_80K = 4,
  856. V4L2_MPEG_AUDIO_L2_BITRATE_96K = 5,
  857. V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
  858. V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
  859. V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
  860. V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
  861. V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
  862. V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
  863. V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
  864. V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
  865. };
  866. #define V4L2_CID_MPEG_AUDIO_L3_BITRATE (V4L2_CID_MPEG_BASE+104)
  867. enum v4l2_mpeg_audio_l3_bitrate {
  868. V4L2_MPEG_AUDIO_L3_BITRATE_32K = 0,
  869. V4L2_MPEG_AUDIO_L3_BITRATE_40K = 1,
  870. V4L2_MPEG_AUDIO_L3_BITRATE_48K = 2,
  871. V4L2_MPEG_AUDIO_L3_BITRATE_56K = 3,
  872. V4L2_MPEG_AUDIO_L3_BITRATE_64K = 4,
  873. V4L2_MPEG_AUDIO_L3_BITRATE_80K = 5,
  874. V4L2_MPEG_AUDIO_L3_BITRATE_96K = 6,
  875. V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
  876. V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
  877. V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
  878. V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
  879. V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
  880. V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
  881. V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
  882. };
  883. #define V4L2_CID_MPEG_AUDIO_MODE (V4L2_CID_MPEG_BASE+105)
  884. enum v4l2_mpeg_audio_mode {
  885. V4L2_MPEG_AUDIO_MODE_STEREO = 0,
  886. V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
  887. V4L2_MPEG_AUDIO_MODE_DUAL = 2,
  888. V4L2_MPEG_AUDIO_MODE_MONO = 3,
  889. };
  890. #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION (V4L2_CID_MPEG_BASE+106)
  891. enum v4l2_mpeg_audio_mode_extension {
  892. V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4 = 0,
  893. V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8 = 1,
  894. V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
  895. V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
  896. };
  897. #define V4L2_CID_MPEG_AUDIO_EMPHASIS (V4L2_CID_MPEG_BASE+107)
  898. enum v4l2_mpeg_audio_emphasis {
  899. V4L2_MPEG_AUDIO_EMPHASIS_NONE = 0,
  900. V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
  901. V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17 = 2,
  902. };
  903. #define V4L2_CID_MPEG_AUDIO_CRC (V4L2_CID_MPEG_BASE+108)
  904. enum v4l2_mpeg_audio_crc {
  905. V4L2_MPEG_AUDIO_CRC_NONE = 0,
  906. V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
  907. };
  908. #define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109)
  909. /* MPEG video */
  910. #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200)
  911. enum v4l2_mpeg_video_encoding {
  912. V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0,
  913. V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1,
  914. };
  915. #define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201)
  916. enum v4l2_mpeg_video_aspect {
  917. V4L2_MPEG_VIDEO_ASPECT_1x1 = 0,
  918. V4L2_MPEG_VIDEO_ASPECT_4x3 = 1,
  919. V4L2_MPEG_VIDEO_ASPECT_16x9 = 2,
  920. V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
  921. };
  922. #define V4L2_CID_MPEG_VIDEO_B_FRAMES (V4L2_CID_MPEG_BASE+202)
  923. #define V4L2_CID_MPEG_VIDEO_GOP_SIZE (V4L2_CID_MPEG_BASE+203)
  924. #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (V4L2_CID_MPEG_BASE+204)
  925. #define V4L2_CID_MPEG_VIDEO_PULLDOWN (V4L2_CID_MPEG_BASE+205)
  926. #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE (V4L2_CID_MPEG_BASE+206)
  927. enum v4l2_mpeg_video_bitrate_mode {
  928. V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
  929. V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
  930. };
  931. #define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE+207)
  932. #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE+208)
  933. #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
  934. #define V4L2_CID_MPEG_VIDEO_MUTE (V4L2_CID_MPEG_BASE+210)
  935. #define V4L2_CID_MPEG_VIDEO_MUTE_YUV (V4L2_CID_MPEG_BASE+211)
  936. /* MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */
  937. #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)
  938. #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0)
  939. enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
  940. V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
  941. V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO = 1,
  942. };
  943. #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+1)
  944. #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+2)
  945. enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
  946. V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF = 0,
  947. V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
  948. V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT = 2,
  949. V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE = 3,
  950. V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
  951. };
  952. #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+3)
  953. enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
  954. V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF = 0,
  955. V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
  956. };
  957. #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+4)
  958. enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
  959. V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
  960. V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO = 1,
  961. };
  962. #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+5)
  963. #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+6)
  964. enum v4l2_mpeg_cx2341x_video_median_filter_type {
  965. V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF = 0,
  966. V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR = 1,
  967. V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT = 2,
  968. V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
  969. V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG = 4,
  970. };
  971. #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+7)
  972. #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+8)
  973. #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9)
  974. #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10)
  975. #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (V4L2_CID_MPEG_CX2341X_BASE+11)
  976. /* Camera class control IDs */
  977. #define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900)
  978. #define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1)
  979. #define V4L2_CID_EXPOSURE_AUTO (V4L2_CID_CAMERA_CLASS_BASE+1)
  980. enum v4l2_exposure_auto_type {
  981. V4L2_EXPOSURE_AUTO = 0,
  982. V4L2_EXPOSURE_MANUAL = 1,
  983. V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
  984. V4L2_EXPOSURE_APERTURE_PRIORITY = 3
  985. };
  986. #define V4L2_CID_EXPOSURE_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+2)
  987. #define V4L2_CID_EXPOSURE_AUTO_PRIORITY (V4L2_CID_CAMERA_CLASS_BASE+3)
  988. #define V4L2_CID_PAN_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+4)
  989. #define V4L2_CID_TILT_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+5)
  990. #define V4L2_CID_PAN_RESET (V4L2_CID_CAMERA_CLASS_BASE+6)
  991. #define V4L2_CID_TILT_RESET (V4L2_CID_CAMERA_CLASS_BASE+7)
  992. #define V4L2_CID_PAN_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+8)
  993. #define V4L2_CID_TILT_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+9)
  994. #define V4L2_CID_FOCUS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+10)
  995. #define V4L2_CID_FOCUS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+11)
  996. #define V4L2_CID_FOCUS_AUTO (V4L2_CID_CAMERA_CLASS_BASE+12)
  997. /*
  998. * T U N I N G
  999. */
  1000. struct v4l2_tuner
  1001. {
  1002. __u32 index;
  1003. __u8 name[32];
  1004. enum v4l2_tuner_type type;
  1005. __u32 capability;
  1006. __u32 rangelow;
  1007. __u32 rangehigh;
  1008. __u32 rxsubchans;
  1009. __u32 audmode;
  1010. __s32 signal;
  1011. __s32 afc;
  1012. __u32 reserved[4];
  1013. };
  1014. struct v4l2_modulator
  1015. {
  1016. __u32 index;
  1017. __u8 name[32];
  1018. __u32 capability;
  1019. __u32 rangelow;
  1020. __u32 rangehigh;
  1021. __u32 txsubchans;
  1022. __u32 reserved[4];
  1023. };
  1024. /* Flags for the 'capability' field */
  1025. #define V4L2_TUNER_CAP_LOW 0x0001
  1026. #define V4L2_TUNER_CAP_NORM 0x0002
  1027. #define V4L2_TUNER_CAP_STEREO 0x0010
  1028. #define V4L2_TUNER_CAP_LANG2 0x0020
  1029. #define V4L2_TUNER_CAP_SAP 0x0020
  1030. #define V4L2_TUNER_CAP_LANG1 0x0040
  1031. /* Flags for the 'rxsubchans' field */
  1032. #define V4L2_TUNER_SUB_MONO 0x0001
  1033. #define V4L2_TUNER_SUB_STEREO 0x0002
  1034. #define V4L2_TUNER_SUB_LANG2 0x0004
  1035. #define V4L2_TUNER_SUB_SAP 0x0004
  1036. #define V4L2_TUNER_SUB_LANG1 0x0008
  1037. /* Values for the 'audmode' field */
  1038. #define V4L2_TUNER_MODE_MONO 0x0000
  1039. #define V4L2_TUNER_MODE_STEREO 0x0001
  1040. #define V4L2_TUNER_MODE_LANG2 0x0002
  1041. #define V4L2_TUNER_MODE_SAP 0x0002
  1042. #define V4L2_TUNER_MODE_LANG1 0x0003
  1043. #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
  1044. struct v4l2_frequency
  1045. {
  1046. __u32 tuner;
  1047. enum v4l2_tuner_type type;
  1048. __u32 frequency;
  1049. __u32 reserved[8];
  1050. };
  1051. struct v4l2_hw_freq_seek {
  1052. __u32 tuner;
  1053. enum v4l2_tuner_type type;
  1054. __u32 seek_upward;
  1055. __u32 wrap_around;
  1056. __u32 reserved[8];
  1057. };
  1058. /*
  1059. * A U D I O
  1060. */
  1061. struct v4l2_audio
  1062. {
  1063. __u32 index;
  1064. __u8 name[32];
  1065. __u32 capability;
  1066. __u32 mode;
  1067. __u32 reserved[2];
  1068. };
  1069. /* Flags for the 'capability' field */
  1070. #define V4L2_AUDCAP_STEREO 0x00001
  1071. #define V4L2_AUDCAP_AVL 0x00002
  1072. /* Flags for the 'mode' field */
  1073. #define V4L2_AUDMODE_AVL 0x00001
  1074. struct v4l2_audioout
  1075. {
  1076. __u32 index;
  1077. __u8 name[32];
  1078. __u32 capability;
  1079. __u32 mode;
  1080. __u32 reserved[2];
  1081. };
  1082. /*
  1083. * M P E G S E R V I C E S
  1084. *
  1085. * NOTE: EXPERIMENTAL API
  1086. */
  1087. #if 1
  1088. #define V4L2_ENC_IDX_FRAME_I (0)
  1089. #define V4L2_ENC_IDX_FRAME_P (1)
  1090. #define V4L2_ENC_IDX_FRAME_B (2)
  1091. #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  1092. struct v4l2_enc_idx_entry {
  1093. __u64 offset;
  1094. __u64 pts;
  1095. __u32 length;
  1096. __u32 flags;
  1097. __u32 reserved[2];
  1098. };
  1099. #define V4L2_ENC_IDX_ENTRIES (64)
  1100. struct v4l2_enc_idx {
  1101. __u32 entries;
  1102. __u32 entries_cap;
  1103. __u32 reserved[4];
  1104. struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  1105. };
  1106. #define V4L2_ENC_CMD_START (0)
  1107. #define V4L2_ENC_CMD_STOP (1)
  1108. #define V4L2_ENC_CMD_PAUSE (2)
  1109. #define V4L2_ENC_CMD_RESUME (3)
  1110. /* Flags for V4L2_ENC_CMD_STOP */
  1111. #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
  1112. struct v4l2_encoder_cmd {
  1113. __u32 cmd;
  1114. __u32 flags;
  1115. union {
  1116. struct {
  1117. __u32 data[8];
  1118. } raw;
  1119. };
  1120. };
  1121. #endif
  1122. /*
  1123. * D A T A S E R V I C E S ( V B I )
  1124. *
  1125. * Data services API by Michael Schimek
  1126. */
  1127. /* Raw VBI */
  1128. struct v4l2_vbi_format
  1129. {
  1130. __u32 sampling_rate; /* in 1 Hz */
  1131. __u32 offset;
  1132. __u32 samples_per_line;
  1133. __u32 sample_format; /* V4L2_PIX_FMT_* */
  1134. __s32 start[2];
  1135. __u32 count[2];
  1136. __u32 flags; /* V4L2_VBI_* */
  1137. __u32 reserved[2]; /* must be zero */
  1138. };
  1139. /* VBI flags */
  1140. #define V4L2_VBI_UNSYNC (1<< 0)
  1141. #define V4L2_VBI_INTERLACED (1<< 1)
  1142. /* Sliced VBI
  1143. *
  1144. * This implements is a proposal V4L2 API to allow SLICED VBI
  1145. * required for some hardware encoders. It should change without
  1146. * notice in the definitive implementation.
  1147. */
  1148. struct v4l2_sliced_vbi_format
  1149. {
  1150. __u16 service_set;
  1151. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1152. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1153. (equals frame lines 313-336 for 625 line video
  1154. standards, 263-286 for 525 line standards) */
  1155. __u16 service_lines[2][24];
  1156. __u32 io_size;
  1157. __u32 reserved[2]; /* must be zero */
  1158. };
  1159. /* Teletext World System Teletext
  1160. (WST), defined on ITU-R BT.653-2 */
  1161. #define V4L2_SLICED_TELETEXT_B (0x0001)
  1162. /* Video Program System, defined on ETS 300 231*/
  1163. #define V4L2_SLICED_VPS (0x0400)
  1164. /* Closed Caption, defined on EIA-608 */
  1165. #define V4L2_SLICED_CAPTION_525 (0x1000)
  1166. /* Wide Screen System, defined on ITU-R BT1119.1 */
  1167. #define V4L2_SLICED_WSS_625 (0x4000)
  1168. #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
  1169. #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
  1170. struct v4l2_sliced_vbi_cap
  1171. {
  1172. __u16 service_set;
  1173. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1174. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1175. (equals frame lines 313-336 for 625 line video
  1176. standards, 263-286 for 525 line standards) */
  1177. __u16 service_lines[2][24];
  1178. enum v4l2_buf_type type;
  1179. __u32 reserved[3]; /* must be 0 */
  1180. };
  1181. struct v4l2_sliced_vbi_data
  1182. {
  1183. __u32 id;
  1184. __u32 field; /* 0: first field, 1: second field */
  1185. __u32 line; /* 1-23 */
  1186. __u32 reserved; /* must be 0 */
  1187. __u8 data[48];
  1188. };
  1189. /*
  1190. * A G G R E G A T E S T R U C T U R E S
  1191. */
  1192. /* Stream data format
  1193. */
  1194. struct v4l2_format
  1195. {
  1196. enum v4l2_buf_type type;
  1197. union
  1198. {
  1199. struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
  1200. struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
  1201. struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
  1202. struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
  1203. __u8 raw_data[200]; // user-defined
  1204. } fmt;
  1205. };
  1206. /* Stream type-dependent parameters
  1207. */
  1208. struct v4l2_streamparm
  1209. {
  1210. enum v4l2_buf_type type;
  1211. union
  1212. {
  1213. struct v4l2_captureparm capture;
  1214. struct v4l2_outputparm output;
  1215. __u8 raw_data[200]; /* user-defined */
  1216. } parm;
  1217. };
  1218. /*
  1219. * A D V A N C E D D E B U G G I N G
  1220. *
  1221. * NOTE: EXPERIMENTAL API
  1222. */
  1223. /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  1224. #define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */
  1225. #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver ID */
  1226. #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
  1227. struct v4l2_register {
  1228. __u32 match_type; /* Match type */
  1229. __u32 match_chip; /* Match this chip, meaning determined by match_type */
  1230. __u64 reg;
  1231. __u64 val;
  1232. };
  1233. /* VIDIOC_G_CHIP_IDENT */
  1234. struct v4l2_chip_ident {
  1235. __u32 match_type; /* Match type */
  1236. __u32 match_chip; /* Match this chip, meaning determined by match_type */
  1237. __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */
  1238. __u32 revision; /* chip revision, chip specific */
  1239. };
  1240. /*
  1241. * 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
  1242. *
  1243. */
  1244. #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
  1245. #define VIDIOC_RESERVED _IO ('V', 1)
  1246. #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
  1247. #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
  1248. #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
  1249. #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
  1250. #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
  1251. #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
  1252. #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
  1253. #define VIDIOC_OVERLAY _IOW ('V', 14, int)
  1254. #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
  1255. #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
  1256. #define VIDIOC_STREAMON _IOW ('V', 18, int)
  1257. #define VIDIOC_STREAMOFF _IOW ('V', 19, int)
  1258. #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
  1259. #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
  1260. #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
  1261. #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
  1262. #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
  1263. #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
  1264. #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
  1265. #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
  1266. #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
  1267. #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
  1268. #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
  1269. #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
  1270. #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
  1271. #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
  1272. #define VIDIOC_G_INPUT _IOR ('V', 38, int)
  1273. #define VIDIOC_S_INPUT _IOWR ('V', 39, int)
  1274. #define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
  1275. #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
  1276. #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
  1277. #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
  1278. #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
  1279. #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
  1280. #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
  1281. #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
  1282. #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
  1283. #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
  1284. #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
  1285. #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
  1286. #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
  1287. #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
  1288. #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
  1289. #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
  1290. #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
  1291. #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
  1292. #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
  1293. #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
  1294. #define VIDIOC_G_SLICED_VBI_CAP _IOWR ('V', 69, struct v4l2_sliced_vbi_cap)
  1295. #define VIDIOC_LOG_STATUS _IO ('V', 70)
  1296. #define VIDIOC_G_EXT_CTRLS _IOWR ('V', 71, struct v4l2_ext_controls)
  1297. #define VIDIOC_S_EXT_CTRLS _IOWR ('V', 72, struct v4l2_ext_controls)
  1298. #define VIDIOC_TRY_EXT_CTRLS _IOWR ('V', 73, struct v4l2_ext_controls)
  1299. #if 1
  1300. #define VIDIOC_ENUM_FRAMESIZES _IOWR ('V', 74, struct v4l2_frmsizeenum)
  1301. #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR ('V', 75, struct v4l2_frmivalenum)
  1302. #define VIDIOC_G_ENC_INDEX _IOR ('V', 76, struct v4l2_enc_idx)
  1303. #define VIDIOC_ENCODER_CMD _IOWR ('V', 77, struct v4l2_encoder_cmd)
  1304. #define VIDIOC_TRY_ENCODER_CMD _IOWR ('V', 78, struct v4l2_encoder_cmd)
  1305. /* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
  1306. #define VIDIOC_DBG_S_REGISTER _IOW ('V', 79, struct v4l2_register)
  1307. #define VIDIOC_DBG_G_REGISTER _IOWR ('V', 80, struct v4l2_register)
  1308. #define VIDIOC_G_CHIP_IDENT _IOWR ('V', 81, struct v4l2_chip_ident)
  1309. #endif
  1310. #define VIDIOC_S_HW_FREQ_SEEK _IOW ('V', 82, struct v4l2_hw_freq_seek)
  1311. #ifdef __OLD_VIDIOC_
  1312. /* for compatibility, will go away some day */
  1313. #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
  1314. #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
  1315. #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
  1316. #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
  1317. #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
  1318. #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
  1319. #endif
  1320. #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
  1321. #endif /* __LINUX_VIDEODEV2_H */
  1322. /*
  1323. * Local variables:
  1324. * c-basic-offset: 8
  1325. * End:
  1326. */