videodev2.h 82 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315231623172318231923202321232223232324232523262327232823292330233123322333233423352336233723382339234023412342234323442345234623472348234923502351235223532354235523562357235823592360236123622363236423652366236723682369237023712372
  1. /*
  2. * Video for Linux Two header file
  3. *
  4. * Copyright (C) 1999-2012 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 https://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. #include <sys/time.h>
  59. #include <linux/ioctl.h>
  60. #include <linux/types.h>
  61. #include <linux/v4l2-common.h>
  62. #include <linux/v4l2-controls.h>
  63. /*
  64. * Common stuff for both V4L1 and V4L2
  65. * Moved from videodev.h
  66. */
  67. #define VIDEO_MAX_FRAME 32
  68. #define VIDEO_MAX_PLANES 8
  69. /*
  70. * M I S C E L L A N E O U S
  71. */
  72. /* Four-character-code (FOURCC) */
  73. #define v4l2_fourcc(a, b, c, d)\
  74. ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  75. #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
  76. /*
  77. * E N U M S
  78. */
  79. enum v4l2_field {
  80. V4L2_FIELD_ANY = 0, /* driver can choose from none,
  81. top, bottom, interlaced
  82. depending on whatever it thinks
  83. is approximate ... */
  84. V4L2_FIELD_NONE = 1, /* this device has no fields ... */
  85. V4L2_FIELD_TOP = 2, /* top field only */
  86. V4L2_FIELD_BOTTOM = 3, /* bottom field only */
  87. V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
  88. V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
  89. buffer, top-bottom order */
  90. V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
  91. V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
  92. separate buffers */
  93. V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  94. first and the top field is
  95. transmitted first */
  96. V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  97. first and the bottom field is
  98. transmitted first */
  99. };
  100. #define V4L2_FIELD_HAS_TOP(field) \
  101. ((field) == V4L2_FIELD_TOP ||\
  102. (field) == V4L2_FIELD_INTERLACED ||\
  103. (field) == V4L2_FIELD_INTERLACED_TB ||\
  104. (field) == V4L2_FIELD_INTERLACED_BT ||\
  105. (field) == V4L2_FIELD_SEQ_TB ||\
  106. (field) == V4L2_FIELD_SEQ_BT)
  107. #define V4L2_FIELD_HAS_BOTTOM(field) \
  108. ((field) == V4L2_FIELD_BOTTOM ||\
  109. (field) == V4L2_FIELD_INTERLACED ||\
  110. (field) == V4L2_FIELD_INTERLACED_TB ||\
  111. (field) == V4L2_FIELD_INTERLACED_BT ||\
  112. (field) == V4L2_FIELD_SEQ_TB ||\
  113. (field) == V4L2_FIELD_SEQ_BT)
  114. #define V4L2_FIELD_HAS_BOTH(field) \
  115. ((field) == V4L2_FIELD_INTERLACED ||\
  116. (field) == V4L2_FIELD_INTERLACED_TB ||\
  117. (field) == V4L2_FIELD_INTERLACED_BT ||\
  118. (field) == V4L2_FIELD_SEQ_TB ||\
  119. (field) == V4L2_FIELD_SEQ_BT)
  120. #define V4L2_FIELD_HAS_T_OR_B(field) \
  121. ((field) == V4L2_FIELD_BOTTOM ||\
  122. (field) == V4L2_FIELD_TOP ||\
  123. (field) == V4L2_FIELD_ALTERNATE)
  124. enum v4l2_buf_type {
  125. V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
  126. V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
  127. V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
  128. V4L2_BUF_TYPE_VBI_CAPTURE = 4,
  129. V4L2_BUF_TYPE_VBI_OUTPUT = 5,
  130. V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
  131. V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
  132. V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  133. V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
  134. V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
  135. V4L2_BUF_TYPE_SDR_CAPTURE = 11,
  136. V4L2_BUF_TYPE_SDR_OUTPUT = 12,
  137. /* Deprecated, do not use */
  138. V4L2_BUF_TYPE_PRIVATE = 0x80,
  139. };
  140. #define V4L2_TYPE_IS_MULTIPLANAR(type) \
  141. ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
  142. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
  143. #define V4L2_TYPE_IS_OUTPUT(type) \
  144. ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
  145. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
  146. || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
  147. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
  148. || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
  149. || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
  150. || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
  151. enum v4l2_tuner_type {
  152. V4L2_TUNER_RADIO = 1,
  153. V4L2_TUNER_ANALOG_TV = 2,
  154. V4L2_TUNER_DIGITAL_TV = 3,
  155. V4L2_TUNER_SDR = 4,
  156. V4L2_TUNER_RF = 5,
  157. };
  158. /* Deprecated, do not use */
  159. #define V4L2_TUNER_ADC V4L2_TUNER_SDR
  160. enum v4l2_memory {
  161. V4L2_MEMORY_MMAP = 1,
  162. V4L2_MEMORY_USERPTR = 2,
  163. V4L2_MEMORY_OVERLAY = 3,
  164. V4L2_MEMORY_DMABUF = 4,
  165. };
  166. /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  167. enum v4l2_colorspace {
  168. /*
  169. * Default colorspace, i.e. let the driver figure it out.
  170. * Can only be used with video capture.
  171. */
  172. V4L2_COLORSPACE_DEFAULT = 0,
  173. /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
  174. V4L2_COLORSPACE_SMPTE170M = 1,
  175. /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
  176. V4L2_COLORSPACE_SMPTE240M = 2,
  177. /* Rec.709: used for HDTV */
  178. V4L2_COLORSPACE_REC709 = 3,
  179. /*
  180. * Deprecated, do not use. No driver will ever return this. This was
  181. * based on a misunderstanding of the bt878 datasheet.
  182. */
  183. V4L2_COLORSPACE_BT878 = 4,
  184. /*
  185. * NTSC 1953 colorspace. This only makes sense when dealing with
  186. * really, really old NTSC recordings. Superseded by SMPTE 170M.
  187. */
  188. V4L2_COLORSPACE_470_SYSTEM_M = 5,
  189. /*
  190. * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
  191. * dealing with really old PAL/SECAM recordings. Superseded by
  192. * SMPTE 170M.
  193. */
  194. V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  195. /*
  196. * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
  197. * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
  198. */
  199. V4L2_COLORSPACE_JPEG = 7,
  200. /* For RGB colorspaces such as produces by most webcams. */
  201. V4L2_COLORSPACE_SRGB = 8,
  202. /* AdobeRGB colorspace */
  203. V4L2_COLORSPACE_ADOBERGB = 9,
  204. /* BT.2020 colorspace, used for UHDTV. */
  205. V4L2_COLORSPACE_BT2020 = 10,
  206. /* Raw colorspace: for RAW unprocessed images */
  207. V4L2_COLORSPACE_RAW = 11,
  208. /* DCI-P3 colorspace, used by cinema projectors */
  209. V4L2_COLORSPACE_DCI_P3 = 12,
  210. };
  211. /*
  212. * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
  213. * This depends on whether this is a SDTV image (use SMPTE 170M), an
  214. * HDTV image (use Rec. 709), or something else (use sRGB).
  215. */
  216. #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
  217. ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
  218. ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
  219. enum v4l2_xfer_func {
  220. /*
  221. * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
  222. * for the various colorspaces:
  223. *
  224. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  225. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
  226. * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
  227. *
  228. * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
  229. *
  230. * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
  231. *
  232. * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
  233. *
  234. * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
  235. *
  236. * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
  237. */
  238. V4L2_XFER_FUNC_DEFAULT = 0,
  239. V4L2_XFER_FUNC_709 = 1,
  240. V4L2_XFER_FUNC_SRGB = 2,
  241. V4L2_XFER_FUNC_ADOBERGB = 3,
  242. V4L2_XFER_FUNC_SMPTE240M = 4,
  243. V4L2_XFER_FUNC_NONE = 5,
  244. V4L2_XFER_FUNC_DCI_P3 = 6,
  245. V4L2_XFER_FUNC_SMPTE2084 = 7,
  246. };
  247. /*
  248. * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
  249. * This depends on the colorspace.
  250. */
  251. #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
  252. ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
  253. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
  254. ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
  255. ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
  256. ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
  257. V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
  258. enum v4l2_ycbcr_encoding {
  259. /*
  260. * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
  261. * various colorspaces:
  262. *
  263. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  264. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
  265. * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
  266. *
  267. * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
  268. *
  269. * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
  270. *
  271. * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
  272. */
  273. V4L2_YCBCR_ENC_DEFAULT = 0,
  274. /* ITU-R 601 -- SDTV */
  275. V4L2_YCBCR_ENC_601 = 1,
  276. /* Rec. 709 -- HDTV */
  277. V4L2_YCBCR_ENC_709 = 2,
  278. /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
  279. V4L2_YCBCR_ENC_XV601 = 3,
  280. /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
  281. V4L2_YCBCR_ENC_XV709 = 4,
  282. /*
  283. * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
  284. * originally due to a misunderstanding of the sYCC standard. It should
  285. * not be used, instead use V4L2_YCBCR_ENC_601.
  286. */
  287. V4L2_YCBCR_ENC_SYCC = 5,
  288. /* BT.2020 Non-constant Luminance Y'CbCr */
  289. V4L2_YCBCR_ENC_BT2020 = 6,
  290. /* BT.2020 Constant Luminance Y'CbcCrc */
  291. V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
  292. /* SMPTE 240M -- Obsolete HDTV */
  293. V4L2_YCBCR_ENC_SMPTE240M = 8,
  294. };
  295. /*
  296. * enum v4l2_hsv_encoding values should not collide with the ones from
  297. * enum v4l2_ycbcr_encoding.
  298. */
  299. enum v4l2_hsv_encoding {
  300. /* Hue mapped to 0 - 179 */
  301. V4L2_HSV_ENC_180 = 128,
  302. /* Hue mapped to 0-255 */
  303. V4L2_HSV_ENC_256 = 129,
  304. };
  305. /*
  306. * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  307. * This depends on the colorspace.
  308. */
  309. #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
  310. (((colsp) == V4L2_COLORSPACE_REC709 || \
  311. (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
  312. ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
  313. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
  314. V4L2_YCBCR_ENC_601)))
  315. enum v4l2_quantization {
  316. /*
  317. * The default for R'G'B' quantization is always full range, except
  318. * for the BT2020 colorspace. For Y'CbCr the quantization is always
  319. * limited range, except for COLORSPACE_JPEG, XV601 or XV709: those
  320. * are full range.
  321. */
  322. V4L2_QUANTIZATION_DEFAULT = 0,
  323. V4L2_QUANTIZATION_FULL_RANGE = 1,
  324. V4L2_QUANTIZATION_LIM_RANGE = 2,
  325. };
  326. /*
  327. * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
  328. * This depends on whether the image is RGB or not, the colorspace and the
  329. * Y'CbCr encoding.
  330. */
  331. #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
  332. (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
  333. V4L2_QUANTIZATION_LIM_RANGE : \
  334. (((is_rgb_or_hsv) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \
  335. (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \
  336. V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
  337. enum v4l2_priority {
  338. V4L2_PRIORITY_UNSET = 0, /* not initialized */
  339. V4L2_PRIORITY_BACKGROUND = 1,
  340. V4L2_PRIORITY_INTERACTIVE = 2,
  341. V4L2_PRIORITY_RECORD = 3,
  342. V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
  343. };
  344. struct v4l2_rect {
  345. __s32 left;
  346. __s32 top;
  347. __u32 width;
  348. __u32 height;
  349. };
  350. struct v4l2_fract {
  351. __u32 numerator;
  352. __u32 denominator;
  353. };
  354. /**
  355. * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
  356. *
  357. * @driver: name of the driver module (e.g. "bttv")
  358. * @card: name of the card (e.g. "Hauppauge WinTV")
  359. * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
  360. * @version: KERNEL_VERSION
  361. * @capabilities: capabilities of the physical device as a whole
  362. * @device_caps: capabilities accessed via this particular device (node)
  363. * @reserved: reserved fields for future extensions
  364. */
  365. struct v4l2_capability {
  366. __u8 driver[16];
  367. __u8 card[32];
  368. __u8 bus_info[32];
  369. __u32 version;
  370. __u32 capabilities;
  371. __u32 device_caps;
  372. __u32 reserved[3];
  373. };
  374. /* Values for 'capabilities' field */
  375. #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
  376. #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
  377. #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
  378. #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
  379. #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
  380. #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
  381. #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
  382. #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
  383. #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
  384. #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
  385. #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
  386. /* Is a video capture device that supports multiplanar formats */
  387. #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
  388. /* Is a video output device that supports multiplanar formats */
  389. #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
  390. /* Is a video mem-to-mem device that supports multiplanar formats */
  391. #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
  392. /* Is a video mem-to-mem device */
  393. #define V4L2_CAP_VIDEO_M2M 0x00008000
  394. #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
  395. #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
  396. #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
  397. #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
  398. #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
  399. #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
  400. #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
  401. #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
  402. #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
  403. #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
  404. #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
  405. #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
  406. /*
  407. * V I D E O I M A G E F O R M A T
  408. */
  409. struct v4l2_pix_format {
  410. __u32 width;
  411. __u32 height;
  412. __u32 pixelformat;
  413. __u32 field; /* enum v4l2_field */
  414. __u32 bytesperline; /* for padding, zero if unused */
  415. __u32 sizeimage;
  416. __u32 colorspace; /* enum v4l2_colorspace */
  417. __u32 priv; /* private data, depends on pixelformat */
  418. __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
  419. union {
  420. /* enum v4l2_ycbcr_encoding */
  421. __u32 ycbcr_enc;
  422. /* enum v4l2_hsv_encoding */
  423. __u32 hsv_enc;
  424. };
  425. __u32 quantization; /* enum v4l2_quantization */
  426. __u32 xfer_func; /* enum v4l2_xfer_func */
  427. };
  428. /* Pixel format FOURCC depth Description */
  429. /* RGB formats */
  430. #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
  431. #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
  432. #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
  433. #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
  434. #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
  435. #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
  436. #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
  437. #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
  438. #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
  439. #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
  440. #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
  441. #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
  442. #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
  443. #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
  444. #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
  445. #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
  446. #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
  447. #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
  448. #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
  449. #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
  450. #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
  451. /* Grey formats */
  452. #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
  453. #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
  454. #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
  455. #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
  456. #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
  457. #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
  458. #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
  459. /* Grey bit-packed formats */
  460. #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
  461. /* Palette formats */
  462. #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
  463. /* Chrominance formats */
  464. #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
  465. /* Luminance+Chrominance formats */
  466. #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
  467. #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
  468. #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
  469. #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
  470. #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
  471. #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
  472. #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
  473. #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
  474. #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
  475. #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
  476. #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
  477. #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
  478. #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
  479. /* two planes -- one Y, one Cr + Cb interleaved */
  480. #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
  481. #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
  482. #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
  483. #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
  484. #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
  485. #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
  486. /* two non contiguous planes - one Y, one Cr + Cb interleaved */
  487. #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
  488. #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
  489. #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
  490. #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
  491. #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
  492. #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
  493. /* three planes - Y Cb, Cr */
  494. #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
  495. #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
  496. #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
  497. #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
  498. #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
  499. #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
  500. /* three non contiguous planes - Y, Cb, Cr */
  501. #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
  502. #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
  503. #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
  504. #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
  505. #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
  506. #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
  507. /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
  508. #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
  509. #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
  510. #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
  511. #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
  512. #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
  513. #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
  514. #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
  515. #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
  516. /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
  517. #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
  518. #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
  519. #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
  520. #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
  521. /* 10bit raw bayer a-law compressed to 8 bits */
  522. #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
  523. #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
  524. #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
  525. #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
  526. /* 10bit raw bayer DPCM compressed to 8 bits */
  527. #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
  528. #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
  529. #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
  530. #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
  531. #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
  532. #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
  533. #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
  534. #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
  535. #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
  536. #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
  537. #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
  538. #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
  539. /* HSV formats */
  540. #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
  541. #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
  542. /* compressed formats */
  543. #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
  544. #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
  545. #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
  546. #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
  547. #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
  548. #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
  549. #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
  550. #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
  551. #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
  552. #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
  553. #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
  554. #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
  555. #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
  556. #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
  557. #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
  558. #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
  559. /* Vendor-specific formats */
  560. #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
  561. #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
  562. #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
  563. #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
  564. #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
  565. #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
  566. #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
  567. #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
  568. #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
  569. #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
  570. #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
  571. #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
  572. #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
  573. #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
  574. #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
  575. #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
  576. #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
  577. #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
  578. #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
  579. #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
  580. #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
  581. #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
  582. #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
  583. #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
  584. #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
  585. #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
  586. #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
  587. #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
  588. #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
  589. #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
  590. /* SDR formats - used only for Software Defined Radio devices */
  591. #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
  592. #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
  593. #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
  594. #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
  595. #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
  596. /* Touch formats - used for Touch devices */
  597. #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
  598. #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
  599. #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
  600. #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
  601. /* priv field value to indicates that subsequent fields are valid. */
  602. #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
  603. /* Flags */
  604. #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
  605. /*
  606. * F O R M A T E N U M E R A T I O N
  607. */
  608. struct v4l2_fmtdesc {
  609. __u32 index; /* Format number */
  610. __u32 type; /* enum v4l2_buf_type */
  611. __u32 flags;
  612. __u8 description[32]; /* Description string */
  613. __u32 pixelformat; /* Format fourcc */
  614. __u32 reserved[4];
  615. };
  616. #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  617. #define V4L2_FMT_FLAG_EMULATED 0x0002
  618. /* Frame Size and frame rate enumeration */
  619. /*
  620. * F R A M E S I Z E E N U M E R A T I O N
  621. */
  622. enum v4l2_frmsizetypes {
  623. V4L2_FRMSIZE_TYPE_DISCRETE = 1,
  624. V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
  625. V4L2_FRMSIZE_TYPE_STEPWISE = 3,
  626. };
  627. struct v4l2_frmsize_discrete {
  628. __u32 width; /* Frame width [pixel] */
  629. __u32 height; /* Frame height [pixel] */
  630. };
  631. struct v4l2_frmsize_stepwise {
  632. __u32 min_width; /* Minimum frame width [pixel] */
  633. __u32 max_width; /* Maximum frame width [pixel] */
  634. __u32 step_width; /* Frame width step size [pixel] */
  635. __u32 min_height; /* Minimum frame height [pixel] */
  636. __u32 max_height; /* Maximum frame height [pixel] */
  637. __u32 step_height; /* Frame height step size [pixel] */
  638. };
  639. struct v4l2_frmsizeenum {
  640. __u32 index; /* Frame size number */
  641. __u32 pixel_format; /* Pixel format */
  642. __u32 type; /* Frame size type the device supports. */
  643. union { /* Frame size */
  644. struct v4l2_frmsize_discrete discrete;
  645. struct v4l2_frmsize_stepwise stepwise;
  646. };
  647. __u32 reserved[2]; /* Reserved space for future use */
  648. };
  649. /*
  650. * F R A M E R A T E E N U M E R A T I O N
  651. */
  652. enum v4l2_frmivaltypes {
  653. V4L2_FRMIVAL_TYPE_DISCRETE = 1,
  654. V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
  655. V4L2_FRMIVAL_TYPE_STEPWISE = 3,
  656. };
  657. struct v4l2_frmival_stepwise {
  658. struct v4l2_fract min; /* Minimum frame interval [s] */
  659. struct v4l2_fract max; /* Maximum frame interval [s] */
  660. struct v4l2_fract step; /* Frame interval step size [s] */
  661. };
  662. struct v4l2_frmivalenum {
  663. __u32 index; /* Frame format index */
  664. __u32 pixel_format; /* Pixel format */
  665. __u32 width; /* Frame width */
  666. __u32 height; /* Frame height */
  667. __u32 type; /* Frame interval type the device supports. */
  668. union { /* Frame interval */
  669. struct v4l2_fract discrete;
  670. struct v4l2_frmival_stepwise stepwise;
  671. };
  672. __u32 reserved[2]; /* Reserved space for future use */
  673. };
  674. /*
  675. * T I M E C O D E
  676. */
  677. struct v4l2_timecode {
  678. __u32 type;
  679. __u32 flags;
  680. __u8 frames;
  681. __u8 seconds;
  682. __u8 minutes;
  683. __u8 hours;
  684. __u8 userbits[4];
  685. };
  686. /* Type */
  687. #define V4L2_TC_TYPE_24FPS 1
  688. #define V4L2_TC_TYPE_25FPS 2
  689. #define V4L2_TC_TYPE_30FPS 3
  690. #define V4L2_TC_TYPE_50FPS 4
  691. #define V4L2_TC_TYPE_60FPS 5
  692. /* Flags */
  693. #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
  694. #define V4L2_TC_FLAG_COLORFRAME 0x0002
  695. #define V4L2_TC_USERBITS_field 0x000C
  696. #define V4L2_TC_USERBITS_USERDEFINED 0x0000
  697. #define V4L2_TC_USERBITS_8BITCHARS 0x0008
  698. /* The above is based on SMPTE timecodes */
  699. struct v4l2_jpegcompression {
  700. int quality;
  701. int APPn; /* Number of APP segment to be written,
  702. * must be 0..15 */
  703. int APP_len; /* Length of data in JPEG APPn segment */
  704. char APP_data[60]; /* Data in the JPEG APPn segment. */
  705. int COM_len; /* Length of data in JPEG COM segment */
  706. char COM_data[60]; /* Data in JPEG COM segment */
  707. __u32 jpeg_markers; /* Which markers should go into the JPEG
  708. * output. Unless you exactly know what
  709. * you do, leave them untouched.
  710. * Including less markers will make the
  711. * resulting code smaller, but there will
  712. * be fewer applications which can read it.
  713. * The presence of the APP and COM marker
  714. * is influenced by APP_len and COM_len
  715. * ONLY, not by this property! */
  716. #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
  717. #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
  718. #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
  719. #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
  720. #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
  721. * always use APP0 */
  722. };
  723. /*
  724. * M E M O R Y - M A P P I N G B U F F E R S
  725. */
  726. struct v4l2_requestbuffers {
  727. __u32 count;
  728. __u32 type; /* enum v4l2_buf_type */
  729. __u32 memory; /* enum v4l2_memory */
  730. __u32 reserved[2];
  731. };
  732. /**
  733. * struct v4l2_plane - plane info for multi-planar buffers
  734. * @bytesused: number of bytes occupied by data in the plane (payload)
  735. * @length: size of this plane (NOT the payload) in bytes
  736. * @mem_offset: when memory in the associated struct v4l2_buffer is
  737. * V4L2_MEMORY_MMAP, equals the offset from the start of
  738. * the device memory for this plane (or is a "cookie" that
  739. * should be passed to mmap() called on the video node)
  740. * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
  741. * pointing to this plane
  742. * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
  743. * descriptor associated with this plane
  744. * @data_offset: offset in the plane to the start of data; usually 0,
  745. * unless there is a header in front of the data
  746. *
  747. * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
  748. * with two planes can have one plane for Y, and another for interleaved CbCr
  749. * components. Each plane can reside in a separate memory buffer, or even in
  750. * a completely separate memory node (e.g. in embedded devices).
  751. */
  752. struct v4l2_plane {
  753. __u32 bytesused;
  754. __u32 length;
  755. union {
  756. __u32 mem_offset;
  757. unsigned long userptr;
  758. __s32 fd;
  759. } m;
  760. __u32 data_offset;
  761. __u32 reserved[11];
  762. };
  763. /**
  764. * struct v4l2_buffer - video buffer info
  765. * @index: id number of the buffer
  766. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  767. * multiplanar buffers);
  768. * @bytesused: number of bytes occupied by data in the buffer (payload);
  769. * unused (set to 0) for multiplanar buffers
  770. * @flags: buffer informational flags
  771. * @field: enum v4l2_field; field order of the image in the buffer
  772. * @timestamp: frame timestamp
  773. * @timecode: frame timecode
  774. * @sequence: sequence count of this frame
  775. * @memory: enum v4l2_memory; the method, in which the actual video data is
  776. * passed
  777. * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
  778. * offset from the start of the device memory for this plane,
  779. * (or a "cookie" that should be passed to mmap() as offset)
  780. * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
  781. * a userspace pointer pointing to this buffer
  782. * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
  783. * a userspace file descriptor associated with this buffer
  784. * @planes: for multiplanar buffers; userspace pointer to the array of plane
  785. * info structs for this buffer
  786. * @length: size in bytes of the buffer (NOT its payload) for single-plane
  787. * buffers (when type != *_MPLANE); number of elements in the
  788. * planes array for multi-plane buffers
  789. *
  790. * Contains data exchanged by application and driver using one of the Streaming
  791. * I/O methods.
  792. */
  793. struct v4l2_buffer {
  794. __u32 index;
  795. __u32 type;
  796. __u32 bytesused;
  797. __u32 flags;
  798. __u32 field;
  799. struct timeval timestamp;
  800. struct v4l2_timecode timecode;
  801. __u32 sequence;
  802. /* memory location */
  803. __u32 memory;
  804. union {
  805. __u32 offset;
  806. unsigned long userptr;
  807. struct v4l2_plane *planes;
  808. __s32 fd;
  809. } m;
  810. __u32 length;
  811. __u32 reserved2;
  812. __u32 reserved;
  813. };
  814. /* Flags for 'flags' field */
  815. /* Buffer is mapped (flag) */
  816. #define V4L2_BUF_FLAG_MAPPED 0x00000001
  817. /* Buffer is queued for processing */
  818. #define V4L2_BUF_FLAG_QUEUED 0x00000002
  819. /* Buffer is ready */
  820. #define V4L2_BUF_FLAG_DONE 0x00000004
  821. /* Image is a keyframe (I-frame) */
  822. #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
  823. /* Image is a P-frame */
  824. #define V4L2_BUF_FLAG_PFRAME 0x00000010
  825. /* Image is a B-frame */
  826. #define V4L2_BUF_FLAG_BFRAME 0x00000020
  827. /* Buffer is ready, but the data contained within is corrupted. */
  828. #define V4L2_BUF_FLAG_ERROR 0x00000040
  829. /* timecode field is valid */
  830. #define V4L2_BUF_FLAG_TIMECODE 0x00000100
  831. /* Buffer is prepared for queuing */
  832. #define V4L2_BUF_FLAG_PREPARED 0x00000400
  833. /* Cache handling flags */
  834. #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
  835. #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
  836. /* Timestamp type */
  837. #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
  838. #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
  839. #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
  840. #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
  841. /* Timestamp sources. */
  842. #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
  843. #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
  844. #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
  845. /* mem2mem encoder/decoder */
  846. #define V4L2_BUF_FLAG_LAST 0x00100000
  847. /**
  848. * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
  849. *
  850. * @index: id number of the buffer
  851. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  852. * multiplanar buffers);
  853. * @plane: index of the plane to be exported, 0 for single plane queues
  854. * @flags: flags for newly created file, currently only O_CLOEXEC is
  855. * supported, refer to manual of open syscall for more details
  856. * @fd: file descriptor associated with DMABUF (set by driver)
  857. *
  858. * Contains data used for exporting a video buffer as DMABUF file descriptor.
  859. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
  860. * (identical to the cookie used to mmap() the buffer to userspace). All
  861. * reserved fields must be set to zero. The field reserved0 is expected to
  862. * become a structure 'type' allowing an alternative layout of the structure
  863. * content. Therefore this field should not be used for any other extensions.
  864. */
  865. struct v4l2_exportbuffer {
  866. __u32 type; /* enum v4l2_buf_type */
  867. __u32 index;
  868. __u32 plane;
  869. __u32 flags;
  870. __s32 fd;
  871. __u32 reserved[11];
  872. };
  873. /*
  874. * O V E R L A Y P R E V I E W
  875. */
  876. struct v4l2_framebuffer {
  877. __u32 capability;
  878. __u32 flags;
  879. /* FIXME: in theory we should pass something like PCI device + memory
  880. * region + offset instead of some physical address */
  881. void *base;
  882. struct {
  883. __u32 width;
  884. __u32 height;
  885. __u32 pixelformat;
  886. __u32 field; /* enum v4l2_field */
  887. __u32 bytesperline; /* for padding, zero if unused */
  888. __u32 sizeimage;
  889. __u32 colorspace; /* enum v4l2_colorspace */
  890. __u32 priv; /* reserved field, set to 0 */
  891. } fmt;
  892. };
  893. /* Flags for the 'capability' field. Read only */
  894. #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
  895. #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
  896. #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
  897. #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
  898. #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
  899. #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
  900. #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
  901. #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
  902. /* Flags for the 'flags' field. */
  903. #define V4L2_FBUF_FLAG_PRIMARY 0x0001
  904. #define V4L2_FBUF_FLAG_OVERLAY 0x0002
  905. #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
  906. #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
  907. #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
  908. #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
  909. #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
  910. struct v4l2_clip {
  911. struct v4l2_rect c;
  912. struct v4l2_clip *next;
  913. };
  914. struct v4l2_window {
  915. struct v4l2_rect w;
  916. __u32 field; /* enum v4l2_field */
  917. __u32 chromakey;
  918. struct v4l2_clip *clips;
  919. __u32 clipcount;
  920. void *bitmap;
  921. __u8 global_alpha;
  922. };
  923. /*
  924. * C A P T U R E P A R A M E T E R S
  925. */
  926. struct v4l2_captureparm {
  927. __u32 capability; /* Supported modes */
  928. __u32 capturemode; /* Current mode */
  929. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  930. __u32 extendedmode; /* Driver-specific extensions */
  931. __u32 readbuffers; /* # of buffers for read */
  932. __u32 reserved[4];
  933. };
  934. /* Flags for 'capability' and 'capturemode' fields */
  935. #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
  936. #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
  937. struct v4l2_outputparm {
  938. __u32 capability; /* Supported modes */
  939. __u32 outputmode; /* Current mode */
  940. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  941. __u32 extendedmode; /* Driver-specific extensions */
  942. __u32 writebuffers; /* # of buffers for write */
  943. __u32 reserved[4];
  944. };
  945. /*
  946. * I N P U T I M A G E C R O P P I N G
  947. */
  948. struct v4l2_cropcap {
  949. __u32 type; /* enum v4l2_buf_type */
  950. struct v4l2_rect bounds;
  951. struct v4l2_rect defrect;
  952. struct v4l2_fract pixelaspect;
  953. };
  954. struct v4l2_crop {
  955. __u32 type; /* enum v4l2_buf_type */
  956. struct v4l2_rect c;
  957. };
  958. /**
  959. * struct v4l2_selection - selection info
  960. * @type: buffer type (do not use *_MPLANE types)
  961. * @target: Selection target, used to choose one of possible rectangles;
  962. * defined in v4l2-common.h; V4L2_SEL_TGT_* .
  963. * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  964. * @r: coordinates of selection window
  965. * @reserved: for future use, rounds structure size to 64 bytes, set to zero
  966. *
  967. * Hardware may use multiple helper windows to process a video stream.
  968. * The structure is used to exchange this selection areas between
  969. * an application and a driver.
  970. */
  971. struct v4l2_selection {
  972. __u32 type;
  973. __u32 target;
  974. __u32 flags;
  975. struct v4l2_rect r;
  976. __u32 reserved[9];
  977. };
  978. /*
  979. * A N A L O G V I D E O S T A N D A R D
  980. */
  981. typedef __u64 v4l2_std_id;
  982. /* one bit for each */
  983. #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
  984. #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
  985. #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
  986. #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
  987. #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
  988. #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
  989. #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
  990. #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
  991. #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
  992. #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
  993. #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
  994. #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
  995. #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
  996. #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
  997. #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
  998. #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
  999. #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
  1000. #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
  1001. #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
  1002. #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
  1003. #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
  1004. #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
  1005. #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
  1006. #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
  1007. /* ATSC/HDTV */
  1008. #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
  1009. #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
  1010. /* FIXME:
  1011. Although std_id is 64 bits, there is an issue on PPC32 architecture that
  1012. makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  1013. this value to 32 bits.
  1014. As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  1015. it should work fine. However, if needed to add more than two standards,
  1016. v4l2-common.c should be fixed.
  1017. */
  1018. /*
  1019. * Some macros to merge video standards in order to make live easier for the
  1020. * drivers and V4L2 applications
  1021. */
  1022. /*
  1023. * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
  1024. * Missing here.
  1025. */
  1026. #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
  1027. V4L2_STD_NTSC_M_JP |\
  1028. V4L2_STD_NTSC_M_KR)
  1029. /* Secam macros */
  1030. #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
  1031. V4L2_STD_SECAM_K |\
  1032. V4L2_STD_SECAM_K1)
  1033. /* All Secam Standards */
  1034. #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
  1035. V4L2_STD_SECAM_G |\
  1036. V4L2_STD_SECAM_H |\
  1037. V4L2_STD_SECAM_DK |\
  1038. V4L2_STD_SECAM_L |\
  1039. V4L2_STD_SECAM_LC)
  1040. /* PAL macros */
  1041. #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
  1042. V4L2_STD_PAL_B1 |\
  1043. V4L2_STD_PAL_G)
  1044. #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
  1045. V4L2_STD_PAL_D1 |\
  1046. V4L2_STD_PAL_K)
  1047. /*
  1048. * "Common" PAL - This macro is there to be compatible with the old
  1049. * V4L1 concept of "PAL": /BGDKHI.
  1050. * Several PAL standards are missing here: /M, /N and /Nc
  1051. */
  1052. #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
  1053. V4L2_STD_PAL_DK |\
  1054. V4L2_STD_PAL_H |\
  1055. V4L2_STD_PAL_I)
  1056. /* Chroma "agnostic" standards */
  1057. #define V4L2_STD_B (V4L2_STD_PAL_B |\
  1058. V4L2_STD_PAL_B1 |\
  1059. V4L2_STD_SECAM_B)
  1060. #define V4L2_STD_G (V4L2_STD_PAL_G |\
  1061. V4L2_STD_SECAM_G)
  1062. #define V4L2_STD_H (V4L2_STD_PAL_H |\
  1063. V4L2_STD_SECAM_H)
  1064. #define V4L2_STD_L (V4L2_STD_SECAM_L |\
  1065. V4L2_STD_SECAM_LC)
  1066. #define V4L2_STD_GH (V4L2_STD_G |\
  1067. V4L2_STD_H)
  1068. #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
  1069. V4L2_STD_SECAM_DK)
  1070. #define V4L2_STD_BG (V4L2_STD_B |\
  1071. V4L2_STD_G)
  1072. #define V4L2_STD_MN (V4L2_STD_PAL_M |\
  1073. V4L2_STD_PAL_N |\
  1074. V4L2_STD_PAL_Nc |\
  1075. V4L2_STD_NTSC)
  1076. /* Standards where MTS/BTSC stereo could be found */
  1077. #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
  1078. V4L2_STD_PAL_M |\
  1079. V4L2_STD_PAL_N |\
  1080. V4L2_STD_PAL_Nc)
  1081. /* Standards for Countries with 60Hz Line frequency */
  1082. #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
  1083. V4L2_STD_PAL_60 |\
  1084. V4L2_STD_NTSC |\
  1085. V4L2_STD_NTSC_443)
  1086. /* Standards for Countries with 50Hz Line frequency */
  1087. #define V4L2_STD_625_50 (V4L2_STD_PAL |\
  1088. V4L2_STD_PAL_N |\
  1089. V4L2_STD_PAL_Nc |\
  1090. V4L2_STD_SECAM)
  1091. #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
  1092. V4L2_STD_ATSC_16_VSB)
  1093. /* Macros with none and all analog standards */
  1094. #define V4L2_STD_UNKNOWN 0
  1095. #define V4L2_STD_ALL (V4L2_STD_525_60 |\
  1096. V4L2_STD_625_50)
  1097. struct v4l2_standard {
  1098. __u32 index;
  1099. v4l2_std_id id;
  1100. __u8 name[24];
  1101. struct v4l2_fract frameperiod; /* Frames, not fields */
  1102. __u32 framelines;
  1103. __u32 reserved[4];
  1104. };
  1105. /*
  1106. * D V B T T I M I N G S
  1107. */
  1108. /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
  1109. * @width: total width of the active video in pixels
  1110. * @height: total height of the active video in lines
  1111. * @interlaced: Interlaced or progressive
  1112. * @polarities: Positive or negative polarities
  1113. * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1114. * @hfrontporch:Horizontal front porch in pixels
  1115. * @hsync: Horizontal Sync length in pixels
  1116. * @hbackporch: Horizontal back porch in pixels
  1117. * @vfrontporch:Vertical front porch in lines
  1118. * @vsync: Vertical Sync length in lines
  1119. * @vbackporch: Vertical back porch in lines
  1120. * @il_vfrontporch:Vertical front porch for the even field
  1121. * (aka field 2) of interlaced field formats
  1122. * @il_vsync: Vertical Sync length for the even field
  1123. * (aka field 2) of interlaced field formats
  1124. * @il_vbackporch:Vertical back porch for the even field
  1125. * (aka field 2) of interlaced field formats
  1126. * @standards: Standards the timing belongs to
  1127. * @flags: Flags
  1128. * @picture_aspect: The picture aspect ratio (hor/vert).
  1129. * @cea861_vic: VIC code as per the CEA-861 standard.
  1130. * @hdmi_vic: VIC code as per the HDMI standard.
  1131. * @reserved: Reserved fields, must be zeroed.
  1132. *
  1133. * A note regarding vertical interlaced timings: height refers to the total
  1134. * height of the active video frame (= two fields). The blanking timings refer
  1135. * to the blanking of each field. So the height of the total frame is
  1136. * calculated as follows:
  1137. *
  1138. * tot_height = height + vfrontporch + vsync + vbackporch +
  1139. * il_vfrontporch + il_vsync + il_vbackporch
  1140. *
  1141. * The active height of each field is height / 2.
  1142. */
  1143. struct v4l2_bt_timings {
  1144. __u32 width;
  1145. __u32 height;
  1146. __u32 interlaced;
  1147. __u32 polarities;
  1148. __u64 pixelclock;
  1149. __u32 hfrontporch;
  1150. __u32 hsync;
  1151. __u32 hbackporch;
  1152. __u32 vfrontporch;
  1153. __u32 vsync;
  1154. __u32 vbackporch;
  1155. __u32 il_vfrontporch;
  1156. __u32 il_vsync;
  1157. __u32 il_vbackporch;
  1158. __u32 standards;
  1159. __u32 flags;
  1160. struct v4l2_fract picture_aspect;
  1161. __u8 cea861_vic;
  1162. __u8 hdmi_vic;
  1163. __u8 reserved[46];
  1164. } __attribute__ ((packed));
  1165. /* Interlaced or progressive format */
  1166. #define V4L2_DV_PROGRESSIVE 0
  1167. #define V4L2_DV_INTERLACED 1
  1168. /* Polarities. If bit is not set, it is assumed to be negative polarity */
  1169. #define V4L2_DV_VSYNC_POS_POL 0x00000001
  1170. #define V4L2_DV_HSYNC_POS_POL 0x00000002
  1171. /* Timings standards */
  1172. #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
  1173. #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
  1174. #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
  1175. #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
  1176. #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
  1177. /* Flags */
  1178. /*
  1179. * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
  1180. * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
  1181. * intervals are reduced, allowing a higher resolution over the same
  1182. * bandwidth. This is a read-only flag.
  1183. */
  1184. #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
  1185. /*
  1186. * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
  1187. * of six. These formats can be optionally played at 1 / 1.001 speed.
  1188. * This is a read-only flag.
  1189. */
  1190. #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
  1191. /*
  1192. * CEA-861 specific: only valid for video transmitters, the flag is cleared
  1193. * by receivers.
  1194. * If the framerate of the format is a multiple of six, then the pixelclock
  1195. * used to set up the transmitter is divided by 1.001 to make it compatible
  1196. * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
  1197. * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
  1198. * such frequencies, then the flag will also be cleared.
  1199. */
  1200. #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
  1201. /*
  1202. * Specific to interlaced formats: if set, then field 1 is really one half-line
  1203. * longer and field 2 is really one half-line shorter, so each field has
  1204. * exactly the same number of half-lines. Whether half-lines can be detected
  1205. * or used depends on the hardware.
  1206. */
  1207. #define V4L2_DV_FL_HALF_LINE (1 << 3)
  1208. /*
  1209. * If set, then this is a Consumer Electronics (CE) video format. Such formats
  1210. * differ from other formats (commonly called IT formats) in that if RGB
  1211. * encoding is used then by default the RGB values use limited range (i.e.
  1212. * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
  1213. * except for the 640x480 format are CE formats.
  1214. */
  1215. #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
  1216. /* Some formats like SMPTE-125M have an interlaced signal with a odd
  1217. * total height. For these formats, if this flag is set, the first
  1218. * field has the extra line. If not, it is the second field.
  1219. */
  1220. #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
  1221. /*
  1222. * If set, then the picture_aspect field is valid. Otherwise assume that the
  1223. * pixels are square, so the picture aspect ratio is the same as the width to
  1224. * height ratio.
  1225. */
  1226. #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
  1227. /*
  1228. * If set, then the cea861_vic field is valid and contains the Video
  1229. * Identification Code as per the CEA-861 standard.
  1230. */
  1231. #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
  1232. /*
  1233. * If set, then the hdmi_vic field is valid and contains the Video
  1234. * Identification Code as per the HDMI standard (HDMI Vendor Specific
  1235. * InfoFrame).
  1236. */
  1237. #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
  1238. /* A few useful defines to calculate the total blanking and frame sizes */
  1239. #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
  1240. ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
  1241. #define V4L2_DV_BT_FRAME_WIDTH(bt) \
  1242. ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
  1243. #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
  1244. ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
  1245. (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
  1246. #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
  1247. ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
  1248. /** struct v4l2_dv_timings - DV timings
  1249. * @type: the type of the timings
  1250. * @bt: BT656/1120 timings
  1251. */
  1252. struct v4l2_dv_timings {
  1253. __u32 type;
  1254. union {
  1255. struct v4l2_bt_timings bt;
  1256. __u32 reserved[32];
  1257. };
  1258. } __attribute__ ((packed));
  1259. /* Values for the type field */
  1260. #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
  1261. /** struct v4l2_enum_dv_timings - DV timings enumeration
  1262. * @index: enumeration index
  1263. * @pad: the pad number for which to enumerate timings (used with
  1264. * v4l-subdev nodes only)
  1265. * @reserved: must be zeroed
  1266. * @timings: the timings for the given index
  1267. */
  1268. struct v4l2_enum_dv_timings {
  1269. __u32 index;
  1270. __u32 pad;
  1271. __u32 reserved[2];
  1272. struct v4l2_dv_timings timings;
  1273. };
  1274. /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
  1275. * @min_width: width in pixels
  1276. * @max_width: width in pixels
  1277. * @min_height: height in lines
  1278. * @max_height: height in lines
  1279. * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1280. * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1281. * @standards: Supported standards
  1282. * @capabilities: Supported capabilities
  1283. * @reserved: Must be zeroed
  1284. */
  1285. struct v4l2_bt_timings_cap {
  1286. __u32 min_width;
  1287. __u32 max_width;
  1288. __u32 min_height;
  1289. __u32 max_height;
  1290. __u64 min_pixelclock;
  1291. __u64 max_pixelclock;
  1292. __u32 standards;
  1293. __u32 capabilities;
  1294. __u32 reserved[16];
  1295. } __attribute__ ((packed));
  1296. /* Supports interlaced formats */
  1297. #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
  1298. /* Supports progressive formats */
  1299. #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
  1300. /* Supports CVT/GTF reduced blanking */
  1301. #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
  1302. /* Supports custom formats */
  1303. #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
  1304. /** struct v4l2_dv_timings_cap - DV timings capabilities
  1305. * @type: the type of the timings (same as in struct v4l2_dv_timings)
  1306. * @pad: the pad number for which to query capabilities (used with
  1307. * v4l-subdev nodes only)
  1308. * @bt: the BT656/1120 timings capabilities
  1309. */
  1310. struct v4l2_dv_timings_cap {
  1311. __u32 type;
  1312. __u32 pad;
  1313. __u32 reserved[2];
  1314. union {
  1315. struct v4l2_bt_timings_cap bt;
  1316. __u32 raw_data[32];
  1317. };
  1318. };
  1319. /*
  1320. * V I D E O I N P U T S
  1321. */
  1322. struct v4l2_input {
  1323. __u32 index; /* Which input */
  1324. __u8 name[32]; /* Label */
  1325. __u32 type; /* Type of input */
  1326. __u32 audioset; /* Associated audios (bitfield) */
  1327. __u32 tuner; /* enum v4l2_tuner_type */
  1328. v4l2_std_id std;
  1329. __u32 status;
  1330. __u32 capabilities;
  1331. __u32 reserved[3];
  1332. };
  1333. /* Values for the 'type' field */
  1334. #define V4L2_INPUT_TYPE_TUNER 1
  1335. #define V4L2_INPUT_TYPE_CAMERA 2
  1336. #define V4L2_INPUT_TYPE_TOUCH 3
  1337. /* field 'status' - general */
  1338. #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
  1339. #define V4L2_IN_ST_NO_SIGNAL 0x00000002
  1340. #define V4L2_IN_ST_NO_COLOR 0x00000004
  1341. /* field 'status' - sensor orientation */
  1342. /* If sensor is mounted upside down set both bits */
  1343. #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
  1344. #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
  1345. /* field 'status' - analog */
  1346. #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
  1347. #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
  1348. #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
  1349. #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
  1350. /* field 'status' - digital */
  1351. #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
  1352. #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
  1353. #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
  1354. /* field 'status' - VCR and set-top box */
  1355. #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
  1356. #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
  1357. #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
  1358. /* capabilities flags */
  1359. #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1360. #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
  1361. #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
  1362. #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1363. /*
  1364. * V I D E O O U T P U T S
  1365. */
  1366. struct v4l2_output {
  1367. __u32 index; /* Which output */
  1368. __u8 name[32]; /* Label */
  1369. __u32 type; /* Type of output */
  1370. __u32 audioset; /* Associated audios (bitfield) */
  1371. __u32 modulator; /* Associated modulator */
  1372. v4l2_std_id std;
  1373. __u32 capabilities;
  1374. __u32 reserved[3];
  1375. };
  1376. /* Values for the 'type' field */
  1377. #define V4L2_OUTPUT_TYPE_MODULATOR 1
  1378. #define V4L2_OUTPUT_TYPE_ANALOG 2
  1379. #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
  1380. /* capabilities flags */
  1381. #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1382. #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
  1383. #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
  1384. #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1385. /*
  1386. * C O N T R O L S
  1387. */
  1388. struct v4l2_control {
  1389. __u32 id;
  1390. __s32 value;
  1391. };
  1392. struct v4l2_ext_control {
  1393. __u32 id;
  1394. __u32 size;
  1395. __u32 reserved2[1];
  1396. union {
  1397. __s32 value;
  1398. __s64 value64;
  1399. char *string;
  1400. __u8 *p_u8;
  1401. __u16 *p_u16;
  1402. __u32 *p_u32;
  1403. void *ptr;
  1404. };
  1405. } __attribute__ ((packed));
  1406. struct v4l2_ext_controls {
  1407. union {
  1408. __u32 ctrl_class;
  1409. __u32 which;
  1410. };
  1411. __u32 count;
  1412. __u32 error_idx;
  1413. __u32 reserved[2];
  1414. struct v4l2_ext_control *controls;
  1415. };
  1416. #define V4L2_CTRL_ID_MASK (0x0fffffff)
  1417. #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
  1418. #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
  1419. #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  1420. #define V4L2_CTRL_MAX_DIMS (4)
  1421. #define V4L2_CTRL_WHICH_CUR_VAL 0
  1422. #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
  1423. enum v4l2_ctrl_type {
  1424. V4L2_CTRL_TYPE_INTEGER = 1,
  1425. V4L2_CTRL_TYPE_BOOLEAN = 2,
  1426. V4L2_CTRL_TYPE_MENU = 3,
  1427. V4L2_CTRL_TYPE_BUTTON = 4,
  1428. V4L2_CTRL_TYPE_INTEGER64 = 5,
  1429. V4L2_CTRL_TYPE_CTRL_CLASS = 6,
  1430. V4L2_CTRL_TYPE_STRING = 7,
  1431. V4L2_CTRL_TYPE_BITMASK = 8,
  1432. V4L2_CTRL_TYPE_INTEGER_MENU = 9,
  1433. /* Compound types are >= 0x0100 */
  1434. V4L2_CTRL_COMPOUND_TYPES = 0x0100,
  1435. V4L2_CTRL_TYPE_U8 = 0x0100,
  1436. V4L2_CTRL_TYPE_U16 = 0x0101,
  1437. V4L2_CTRL_TYPE_U32 = 0x0102,
  1438. };
  1439. /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  1440. struct v4l2_queryctrl {
  1441. __u32 id;
  1442. __u32 type; /* enum v4l2_ctrl_type */
  1443. __u8 name[32]; /* Whatever */
  1444. __s32 minimum; /* Note signedness */
  1445. __s32 maximum;
  1446. __s32 step;
  1447. __s32 default_value;
  1448. __u32 flags;
  1449. __u32 reserved[2];
  1450. };
  1451. /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
  1452. struct v4l2_query_ext_ctrl {
  1453. __u32 id;
  1454. __u32 type;
  1455. char name[32];
  1456. __s64 minimum;
  1457. __s64 maximum;
  1458. __u64 step;
  1459. __s64 default_value;
  1460. __u32 flags;
  1461. __u32 elem_size;
  1462. __u32 elems;
  1463. __u32 nr_of_dims;
  1464. __u32 dims[V4L2_CTRL_MAX_DIMS];
  1465. __u32 reserved[32];
  1466. };
  1467. /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  1468. struct v4l2_querymenu {
  1469. __u32 id;
  1470. __u32 index;
  1471. union {
  1472. __u8 name[32]; /* Whatever */
  1473. __s64 value;
  1474. };
  1475. __u32 reserved;
  1476. } __attribute__ ((packed));
  1477. /* Control flags */
  1478. #define V4L2_CTRL_FLAG_DISABLED 0x0001
  1479. #define V4L2_CTRL_FLAG_GRABBED 0x0002
  1480. #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
  1481. #define V4L2_CTRL_FLAG_UPDATE 0x0008
  1482. #define V4L2_CTRL_FLAG_INACTIVE 0x0010
  1483. #define V4L2_CTRL_FLAG_SLIDER 0x0020
  1484. #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
  1485. #define V4L2_CTRL_FLAG_VOLATILE 0x0080
  1486. #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
  1487. #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
  1488. /* Query flags, to be ORed with the control ID */
  1489. #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
  1490. #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
  1491. /* User-class control IDs defined by V4L2 */
  1492. #define V4L2_CID_MAX_CTRLS 1024
  1493. /* IDs reserved for driver specific controls */
  1494. #define V4L2_CID_PRIVATE_BASE 0x08000000
  1495. /*
  1496. * T U N I N G
  1497. */
  1498. struct v4l2_tuner {
  1499. __u32 index;
  1500. __u8 name[32];
  1501. __u32 type; /* enum v4l2_tuner_type */
  1502. __u32 capability;
  1503. __u32 rangelow;
  1504. __u32 rangehigh;
  1505. __u32 rxsubchans;
  1506. __u32 audmode;
  1507. __s32 signal;
  1508. __s32 afc;
  1509. __u32 reserved[4];
  1510. };
  1511. struct v4l2_modulator {
  1512. __u32 index;
  1513. __u8 name[32];
  1514. __u32 capability;
  1515. __u32 rangelow;
  1516. __u32 rangehigh;
  1517. __u32 txsubchans;
  1518. __u32 type; /* enum v4l2_tuner_type */
  1519. __u32 reserved[3];
  1520. };
  1521. /* Flags for the 'capability' field */
  1522. #define V4L2_TUNER_CAP_LOW 0x0001
  1523. #define V4L2_TUNER_CAP_NORM 0x0002
  1524. #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
  1525. #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
  1526. #define V4L2_TUNER_CAP_STEREO 0x0010
  1527. #define V4L2_TUNER_CAP_LANG2 0x0020
  1528. #define V4L2_TUNER_CAP_SAP 0x0020
  1529. #define V4L2_TUNER_CAP_LANG1 0x0040
  1530. #define V4L2_TUNER_CAP_RDS 0x0080
  1531. #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
  1532. #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
  1533. #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
  1534. #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
  1535. #define V4L2_TUNER_CAP_1HZ 0x1000
  1536. /* Flags for the 'rxsubchans' field */
  1537. #define V4L2_TUNER_SUB_MONO 0x0001
  1538. #define V4L2_TUNER_SUB_STEREO 0x0002
  1539. #define V4L2_TUNER_SUB_LANG2 0x0004
  1540. #define V4L2_TUNER_SUB_SAP 0x0004
  1541. #define V4L2_TUNER_SUB_LANG1 0x0008
  1542. #define V4L2_TUNER_SUB_RDS 0x0010
  1543. /* Values for the 'audmode' field */
  1544. #define V4L2_TUNER_MODE_MONO 0x0000
  1545. #define V4L2_TUNER_MODE_STEREO 0x0001
  1546. #define V4L2_TUNER_MODE_LANG2 0x0002
  1547. #define V4L2_TUNER_MODE_SAP 0x0002
  1548. #define V4L2_TUNER_MODE_LANG1 0x0003
  1549. #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
  1550. struct v4l2_frequency {
  1551. __u32 tuner;
  1552. __u32 type; /* enum v4l2_tuner_type */
  1553. __u32 frequency;
  1554. __u32 reserved[8];
  1555. };
  1556. #define V4L2_BAND_MODULATION_VSB (1 << 1)
  1557. #define V4L2_BAND_MODULATION_FM (1 << 2)
  1558. #define V4L2_BAND_MODULATION_AM (1 << 3)
  1559. struct v4l2_frequency_band {
  1560. __u32 tuner;
  1561. __u32 type; /* enum v4l2_tuner_type */
  1562. __u32 index;
  1563. __u32 capability;
  1564. __u32 rangelow;
  1565. __u32 rangehigh;
  1566. __u32 modulation;
  1567. __u32 reserved[9];
  1568. };
  1569. struct v4l2_hw_freq_seek {
  1570. __u32 tuner;
  1571. __u32 type; /* enum v4l2_tuner_type */
  1572. __u32 seek_upward;
  1573. __u32 wrap_around;
  1574. __u32 spacing;
  1575. __u32 rangelow;
  1576. __u32 rangehigh;
  1577. __u32 reserved[5];
  1578. };
  1579. /*
  1580. * R D S
  1581. */
  1582. struct v4l2_rds_data {
  1583. __u8 lsb;
  1584. __u8 msb;
  1585. __u8 block;
  1586. } __attribute__ ((packed));
  1587. #define V4L2_RDS_BLOCK_MSK 0x7
  1588. #define V4L2_RDS_BLOCK_A 0
  1589. #define V4L2_RDS_BLOCK_B 1
  1590. #define V4L2_RDS_BLOCK_C 2
  1591. #define V4L2_RDS_BLOCK_D 3
  1592. #define V4L2_RDS_BLOCK_C_ALT 4
  1593. #define V4L2_RDS_BLOCK_INVALID 7
  1594. #define V4L2_RDS_BLOCK_CORRECTED 0x40
  1595. #define V4L2_RDS_BLOCK_ERROR 0x80
  1596. /*
  1597. * A U D I O
  1598. */
  1599. struct v4l2_audio {
  1600. __u32 index;
  1601. __u8 name[32];
  1602. __u32 capability;
  1603. __u32 mode;
  1604. __u32 reserved[2];
  1605. };
  1606. /* Flags for the 'capability' field */
  1607. #define V4L2_AUDCAP_STEREO 0x00001
  1608. #define V4L2_AUDCAP_AVL 0x00002
  1609. /* Flags for the 'mode' field */
  1610. #define V4L2_AUDMODE_AVL 0x00001
  1611. struct v4l2_audioout {
  1612. __u32 index;
  1613. __u8 name[32];
  1614. __u32 capability;
  1615. __u32 mode;
  1616. __u32 reserved[2];
  1617. };
  1618. /*
  1619. * M P E G S E R V I C E S
  1620. */
  1621. #if 1
  1622. #define V4L2_ENC_IDX_FRAME_I (0)
  1623. #define V4L2_ENC_IDX_FRAME_P (1)
  1624. #define V4L2_ENC_IDX_FRAME_B (2)
  1625. #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  1626. struct v4l2_enc_idx_entry {
  1627. __u64 offset;
  1628. __u64 pts;
  1629. __u32 length;
  1630. __u32 flags;
  1631. __u32 reserved[2];
  1632. };
  1633. #define V4L2_ENC_IDX_ENTRIES (64)
  1634. struct v4l2_enc_idx {
  1635. __u32 entries;
  1636. __u32 entries_cap;
  1637. __u32 reserved[4];
  1638. struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  1639. };
  1640. #define V4L2_ENC_CMD_START (0)
  1641. #define V4L2_ENC_CMD_STOP (1)
  1642. #define V4L2_ENC_CMD_PAUSE (2)
  1643. #define V4L2_ENC_CMD_RESUME (3)
  1644. /* Flags for V4L2_ENC_CMD_STOP */
  1645. #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
  1646. struct v4l2_encoder_cmd {
  1647. __u32 cmd;
  1648. __u32 flags;
  1649. union {
  1650. struct {
  1651. __u32 data[8];
  1652. } raw;
  1653. };
  1654. };
  1655. /* Decoder commands */
  1656. #define V4L2_DEC_CMD_START (0)
  1657. #define V4L2_DEC_CMD_STOP (1)
  1658. #define V4L2_DEC_CMD_PAUSE (2)
  1659. #define V4L2_DEC_CMD_RESUME (3)
  1660. /* Flags for V4L2_DEC_CMD_START */
  1661. #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
  1662. /* Flags for V4L2_DEC_CMD_PAUSE */
  1663. #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
  1664. /* Flags for V4L2_DEC_CMD_STOP */
  1665. #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
  1666. #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
  1667. /* Play format requirements (returned by the driver): */
  1668. /* The decoder has no special format requirements */
  1669. #define V4L2_DEC_START_FMT_NONE (0)
  1670. /* The decoder requires full GOPs */
  1671. #define V4L2_DEC_START_FMT_GOP (1)
  1672. /* The structure must be zeroed before use by the application
  1673. This ensures it can be extended safely in the future. */
  1674. struct v4l2_decoder_cmd {
  1675. __u32 cmd;
  1676. __u32 flags;
  1677. union {
  1678. struct {
  1679. __u64 pts;
  1680. } stop;
  1681. struct {
  1682. /* 0 or 1000 specifies normal speed,
  1683. 1 specifies forward single stepping,
  1684. -1 specifies backward single stepping,
  1685. >1: playback at speed/1000 of the normal speed,
  1686. <-1: reverse playback at (-speed/1000) of the normal speed. */
  1687. __s32 speed;
  1688. __u32 format;
  1689. } start;
  1690. struct {
  1691. __u32 data[16];
  1692. } raw;
  1693. };
  1694. };
  1695. #endif
  1696. /*
  1697. * D A T A S E R V I C E S ( V B I )
  1698. *
  1699. * Data services API by Michael Schimek
  1700. */
  1701. /* Raw VBI */
  1702. struct v4l2_vbi_format {
  1703. __u32 sampling_rate; /* in 1 Hz */
  1704. __u32 offset;
  1705. __u32 samples_per_line;
  1706. __u32 sample_format; /* V4L2_PIX_FMT_* */
  1707. __s32 start[2];
  1708. __u32 count[2];
  1709. __u32 flags; /* V4L2_VBI_* */
  1710. __u32 reserved[2]; /* must be zero */
  1711. };
  1712. /* VBI flags */
  1713. #define V4L2_VBI_UNSYNC (1 << 0)
  1714. #define V4L2_VBI_INTERLACED (1 << 1)
  1715. /* ITU-R start lines for each field */
  1716. #define V4L2_VBI_ITU_525_F1_START (1)
  1717. #define V4L2_VBI_ITU_525_F2_START (264)
  1718. #define V4L2_VBI_ITU_625_F1_START (1)
  1719. #define V4L2_VBI_ITU_625_F2_START (314)
  1720. /* Sliced VBI
  1721. *
  1722. * This implements is a proposal V4L2 API to allow SLICED VBI
  1723. * required for some hardware encoders. It should change without
  1724. * notice in the definitive implementation.
  1725. */
  1726. struct v4l2_sliced_vbi_format {
  1727. __u16 service_set;
  1728. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1729. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1730. (equals frame lines 313-336 for 625 line video
  1731. standards, 263-286 for 525 line standards) */
  1732. __u16 service_lines[2][24];
  1733. __u32 io_size;
  1734. __u32 reserved[2]; /* must be zero */
  1735. };
  1736. /* Teletext World System Teletext
  1737. (WST), defined on ITU-R BT.653-2 */
  1738. #define V4L2_SLICED_TELETEXT_B (0x0001)
  1739. /* Video Program System, defined on ETS 300 231*/
  1740. #define V4L2_SLICED_VPS (0x0400)
  1741. /* Closed Caption, defined on EIA-608 */
  1742. #define V4L2_SLICED_CAPTION_525 (0x1000)
  1743. /* Wide Screen System, defined on ITU-R BT1119.1 */
  1744. #define V4L2_SLICED_WSS_625 (0x4000)
  1745. #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
  1746. #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
  1747. struct v4l2_sliced_vbi_cap {
  1748. __u16 service_set;
  1749. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1750. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1751. (equals frame lines 313-336 for 625 line video
  1752. standards, 263-286 for 525 line standards) */
  1753. __u16 service_lines[2][24];
  1754. __u32 type; /* enum v4l2_buf_type */
  1755. __u32 reserved[3]; /* must be 0 */
  1756. };
  1757. struct v4l2_sliced_vbi_data {
  1758. __u32 id;
  1759. __u32 field; /* 0: first field, 1: second field */
  1760. __u32 line; /* 1-23 */
  1761. __u32 reserved; /* must be 0 */
  1762. __u8 data[48];
  1763. };
  1764. /*
  1765. * Sliced VBI data inserted into MPEG Streams
  1766. */
  1767. /*
  1768. * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
  1769. *
  1770. * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
  1771. * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
  1772. * data
  1773. *
  1774. * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
  1775. * definitions are not included here. See the MPEG-2 specifications for details
  1776. * on these headers.
  1777. */
  1778. /* Line type IDs */
  1779. #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
  1780. #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
  1781. #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
  1782. #define V4L2_MPEG_VBI_IVTV_VPS (7)
  1783. struct v4l2_mpeg_vbi_itv0_line {
  1784. __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
  1785. __u8 data[42]; /* Sliced VBI data for the line */
  1786. } __attribute__ ((packed));
  1787. struct v4l2_mpeg_vbi_itv0 {
  1788. __le32 linemask[2]; /* Bitmasks of VBI service lines present */
  1789. struct v4l2_mpeg_vbi_itv0_line line[35];
  1790. } __attribute__ ((packed));
  1791. struct v4l2_mpeg_vbi_ITV0 {
  1792. struct v4l2_mpeg_vbi_itv0_line line[36];
  1793. } __attribute__ ((packed));
  1794. #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
  1795. #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
  1796. struct v4l2_mpeg_vbi_fmt_ivtv {
  1797. __u8 magic[4];
  1798. union {
  1799. struct v4l2_mpeg_vbi_itv0 itv0;
  1800. struct v4l2_mpeg_vbi_ITV0 ITV0;
  1801. };
  1802. } __attribute__ ((packed));
  1803. /*
  1804. * A G G R E G A T E S T R U C T U R E S
  1805. */
  1806. /**
  1807. * struct v4l2_plane_pix_format - additional, per-plane format definition
  1808. * @sizeimage: maximum size in bytes required for data, for which
  1809. * this plane will be used
  1810. * @bytesperline: distance in bytes between the leftmost pixels in two
  1811. * adjacent lines
  1812. */
  1813. struct v4l2_plane_pix_format {
  1814. __u32 sizeimage;
  1815. __u32 bytesperline;
  1816. __u16 reserved[6];
  1817. } __attribute__ ((packed));
  1818. /**
  1819. * struct v4l2_pix_format_mplane - multiplanar format definition
  1820. * @width: image width in pixels
  1821. * @height: image height in pixels
  1822. * @pixelformat: little endian four character code (fourcc)
  1823. * @field: enum v4l2_field; field order (for interlaced video)
  1824. * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  1825. * @plane_fmt: per-plane information
  1826. * @num_planes: number of planes for this format
  1827. * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
  1828. * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  1829. * @quantization: enum v4l2_quantization, colorspace quantization
  1830. * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
  1831. */
  1832. struct v4l2_pix_format_mplane {
  1833. __u32 width;
  1834. __u32 height;
  1835. __u32 pixelformat;
  1836. __u32 field;
  1837. __u32 colorspace;
  1838. struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
  1839. __u8 num_planes;
  1840. __u8 flags;
  1841. union {
  1842. __u8 ycbcr_enc;
  1843. __u8 hsv_enc;
  1844. };
  1845. __u8 quantization;
  1846. __u8 xfer_func;
  1847. __u8 reserved[7];
  1848. } __attribute__ ((packed));
  1849. /**
  1850. * struct v4l2_sdr_format - SDR format definition
  1851. * @pixelformat: little endian four character code (fourcc)
  1852. * @buffersize: maximum size in bytes required for data
  1853. */
  1854. struct v4l2_sdr_format {
  1855. __u32 pixelformat;
  1856. __u32 buffersize;
  1857. __u8 reserved[24];
  1858. } __attribute__ ((packed));
  1859. /**
  1860. * struct v4l2_format - stream data format
  1861. * @type: enum v4l2_buf_type; type of the data stream
  1862. * @pix: definition of an image format
  1863. * @pix_mp: definition of a multiplanar image format
  1864. * @win: definition of an overlaid image
  1865. * @vbi: raw VBI capture or output parameters
  1866. * @sliced: sliced VBI capture or output parameters
  1867. * @raw_data: placeholder for future extensions and custom formats
  1868. */
  1869. struct v4l2_format {
  1870. __u32 type;
  1871. union {
  1872. struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
  1873. struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
  1874. struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
  1875. struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
  1876. struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
  1877. struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
  1878. __u8 raw_data[200]; /* user-defined */
  1879. } fmt;
  1880. };
  1881. /* Stream type-dependent parameters
  1882. */
  1883. struct v4l2_streamparm {
  1884. __u32 type; /* enum v4l2_buf_type */
  1885. union {
  1886. struct v4l2_captureparm capture;
  1887. struct v4l2_outputparm output;
  1888. __u8 raw_data[200]; /* user-defined */
  1889. } parm;
  1890. };
  1891. /*
  1892. * E V E N T S
  1893. */
  1894. #define V4L2_EVENT_ALL 0
  1895. #define V4L2_EVENT_VSYNC 1
  1896. #define V4L2_EVENT_EOS 2
  1897. #define V4L2_EVENT_CTRL 3
  1898. #define V4L2_EVENT_FRAME_SYNC 4
  1899. #define V4L2_EVENT_SOURCE_CHANGE 5
  1900. #define V4L2_EVENT_MOTION_DET 6
  1901. #define V4L2_EVENT_PRIVATE_START 0x08000000
  1902. /* Payload for V4L2_EVENT_VSYNC */
  1903. struct v4l2_event_vsync {
  1904. /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
  1905. __u8 field;
  1906. } __attribute__ ((packed));
  1907. /* Payload for V4L2_EVENT_CTRL */
  1908. #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
  1909. #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
  1910. #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
  1911. struct v4l2_event_ctrl {
  1912. __u32 changes;
  1913. __u32 type;
  1914. union {
  1915. __s32 value;
  1916. __s64 value64;
  1917. };
  1918. __u32 flags;
  1919. __s32 minimum;
  1920. __s32 maximum;
  1921. __s32 step;
  1922. __s32 default_value;
  1923. };
  1924. struct v4l2_event_frame_sync {
  1925. __u32 frame_sequence;
  1926. };
  1927. #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
  1928. struct v4l2_event_src_change {
  1929. __u32 changes;
  1930. };
  1931. #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
  1932. /**
  1933. * struct v4l2_event_motion_det - motion detection event
  1934. * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
  1935. * frame_sequence field is valid.
  1936. * @frame_sequence: the frame sequence number associated with this event.
  1937. * @region_mask: which regions detected motion.
  1938. */
  1939. struct v4l2_event_motion_det {
  1940. __u32 flags;
  1941. __u32 frame_sequence;
  1942. __u32 region_mask;
  1943. };
  1944. struct v4l2_event {
  1945. __u32 type;
  1946. union {
  1947. struct v4l2_event_vsync vsync;
  1948. struct v4l2_event_ctrl ctrl;
  1949. struct v4l2_event_frame_sync frame_sync;
  1950. struct v4l2_event_src_change src_change;
  1951. struct v4l2_event_motion_det motion_det;
  1952. __u8 data[64];
  1953. } u;
  1954. __u32 pending;
  1955. __u32 sequence;
  1956. struct timespec timestamp;
  1957. __u32 id;
  1958. __u32 reserved[8];
  1959. };
  1960. #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
  1961. #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
  1962. struct v4l2_event_subscription {
  1963. __u32 type;
  1964. __u32 id;
  1965. __u32 flags;
  1966. __u32 reserved[5];
  1967. };
  1968. /*
  1969. * A D V A N C E D D E B U G G I N G
  1970. *
  1971. * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
  1972. * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
  1973. */
  1974. /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  1975. #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
  1976. #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
  1977. /* The following four defines are no longer in use */
  1978. #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
  1979. #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
  1980. #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
  1981. #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
  1982. struct v4l2_dbg_match {
  1983. __u32 type; /* Match type */
  1984. union { /* Match this chip, meaning determined by type */
  1985. __u32 addr;
  1986. char name[32];
  1987. };
  1988. } __attribute__ ((packed));
  1989. struct v4l2_dbg_register {
  1990. struct v4l2_dbg_match match;
  1991. __u32 size; /* register size in bytes */
  1992. __u64 reg;
  1993. __u64 val;
  1994. } __attribute__ ((packed));
  1995. #define V4L2_CHIP_FL_READABLE (1 << 0)
  1996. #define V4L2_CHIP_FL_WRITABLE (1 << 1)
  1997. /* VIDIOC_DBG_G_CHIP_INFO */
  1998. struct v4l2_dbg_chip_info {
  1999. struct v4l2_dbg_match match;
  2000. char name[32];
  2001. __u32 flags;
  2002. __u32 reserved[32];
  2003. } __attribute__ ((packed));
  2004. /**
  2005. * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
  2006. * @index: on return, index of the first created buffer
  2007. * @count: entry: number of requested buffers,
  2008. * return: number of created buffers
  2009. * @memory: enum v4l2_memory; buffer memory type
  2010. * @format: frame format, for which buffers are requested
  2011. * @reserved: future extensions
  2012. */
  2013. struct v4l2_create_buffers {
  2014. __u32 index;
  2015. __u32 count;
  2016. __u32 memory;
  2017. struct v4l2_format format;
  2018. __u32 reserved[8];
  2019. };
  2020. /*
  2021. * 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
  2022. *
  2023. */
  2024. #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
  2025. #define VIDIOC_RESERVED _IO('V', 1)
  2026. #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
  2027. #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
  2028. #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
  2029. #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
  2030. #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
  2031. #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
  2032. #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
  2033. #define VIDIOC_OVERLAY _IOW('V', 14, int)
  2034. #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
  2035. #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
  2036. #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
  2037. #define VIDIOC_STREAMON _IOW('V', 18, int)
  2038. #define VIDIOC_STREAMOFF _IOW('V', 19, int)
  2039. #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
  2040. #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
  2041. #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
  2042. #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
  2043. #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
  2044. #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
  2045. #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
  2046. #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
  2047. #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
  2048. #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
  2049. #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
  2050. #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
  2051. #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
  2052. #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
  2053. #define VIDIOC_G_INPUT _IOR('V', 38, int)
  2054. #define VIDIOC_S_INPUT _IOWR('V', 39, int)
  2055. #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
  2056. #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
  2057. #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
  2058. #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
  2059. #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
  2060. #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
  2061. #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
  2062. #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
  2063. #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
  2064. #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
  2065. #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
  2066. #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
  2067. #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
  2068. #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
  2069. #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
  2070. #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
  2071. #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
  2072. #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
  2073. #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
  2074. #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
  2075. #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
  2076. #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
  2077. #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
  2078. #define VIDIOC_LOG_STATUS _IO('V', 70)
  2079. #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
  2080. #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
  2081. #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
  2082. #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
  2083. #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
  2084. #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
  2085. #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
  2086. #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
  2087. /*
  2088. * Experimental, meant for debugging, testing and internal use.
  2089. * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
  2090. * You must be root to use these ioctls. Never use these in applications!
  2091. */
  2092. #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
  2093. #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
  2094. #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
  2095. #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
  2096. #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
  2097. #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
  2098. #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
  2099. #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
  2100. #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
  2101. #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
  2102. #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
  2103. #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
  2104. #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
  2105. #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
  2106. #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
  2107. #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
  2108. #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
  2109. #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
  2110. /*
  2111. * Experimental, meant for debugging, testing and internal use.
  2112. * Never use this in applications!
  2113. */
  2114. #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
  2115. #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
  2116. /* Reminder: when adding new ioctls please add support for them to
  2117. drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
  2118. #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
  2119. #endif /* __LINUX_VIDEODEV2_H */