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 http://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <[email protected]> 52 * Justin Schoeman 53 * Hans Verkuil <[email protected]> 54 * et al. 55 */ 56 #ifndef _UAPI__LINUX_VIDEODEV2_H 57 #define _UAPI__LINUX_VIDEODEV2_H 58 59 #ifndef __KERNEL__ 60 #include <sys/time.h> 61 #endif 62 #include <linux/compiler.h> 63 #include <linux/ioctl.h> 64 #include <linux/types.h> 65 #include <linux/v4l2-common.h> 66 #include <linux/v4l2-controls.h> 67 68 /* 69 * Common stuff for both V4L1 and V4L2 70 * Moved from videodev.h 71 */ 72 #define VIDEO_MAX_FRAME 32 73 #define VIDEO_MAX_PLANES 8 74 75 /* 76 * M I S C E L L A N E O U S 77 */ 78 79 /* Four-character-code (FOURCC) */ 80 #define v4l2_fourcc(a, b, c, d)\ 81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 82 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 83 84 /* 85 * E N U M S 86 */ 87 enum v4l2_field { 88 V4L2_FIELD_ANY = 0, /* driver can choose from none, 89 top, bottom, interlaced 90 depending on whatever it thinks 91 is approximate ... */ 92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 93 V4L2_FIELD_TOP = 2, /* top field only */ 94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 97 buffer, top-bottom order */ 98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 100 separate buffers */ 101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 102 first and the top field is 103 transmitted first */ 104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 105 first and the bottom field is 106 transmitted first */ 107 }; 108 #define V4L2_FIELD_HAS_TOP(field) \ 109 ((field) == V4L2_FIELD_TOP ||\ 110 (field) == V4L2_FIELD_INTERLACED ||\ 111 (field) == V4L2_FIELD_INTERLACED_TB ||\ 112 (field) == V4L2_FIELD_INTERLACED_BT ||\ 113 (field) == V4L2_FIELD_SEQ_TB ||\ 114 (field) == V4L2_FIELD_SEQ_BT) 115 #define V4L2_FIELD_HAS_BOTTOM(field) \ 116 ((field) == V4L2_FIELD_BOTTOM ||\ 117 (field) == V4L2_FIELD_INTERLACED ||\ 118 (field) == V4L2_FIELD_INTERLACED_TB ||\ 119 (field) == V4L2_FIELD_INTERLACED_BT ||\ 120 (field) == V4L2_FIELD_SEQ_TB ||\ 121 (field) == V4L2_FIELD_SEQ_BT) 122 #define V4L2_FIELD_HAS_BOTH(field) \ 123 ((field) == V4L2_FIELD_INTERLACED ||\ 124 (field) == V4L2_FIELD_INTERLACED_TB ||\ 125 (field) == V4L2_FIELD_INTERLACED_BT ||\ 126 (field) == V4L2_FIELD_SEQ_TB ||\ 127 (field) == V4L2_FIELD_SEQ_BT) 128 #define V4L2_FIELD_HAS_T_OR_B(field) \ 129 ((field) == V4L2_FIELD_BOTTOM ||\ 130 (field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_ALTERNATE) 132 133 enum v4l2_buf_type { 134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 137 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 138 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 141 #if 1 142 /* Experimental */ 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 144 #endif 145 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 146 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 147 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 148 /* Deprecated, do not use */ 149 V4L2_BUF_TYPE_PRIVATE = 0x80, 150 }; 151 152 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 153 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 154 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 155 156 #define V4L2_TYPE_IS_OUTPUT(type) \ 157 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 162 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 163 164 enum v4l2_tuner_type { 165 V4L2_TUNER_RADIO = 1, 166 V4L2_TUNER_ANALOG_TV = 2, 167 V4L2_TUNER_DIGITAL_TV = 3, 168 V4L2_TUNER_ADC = 4, 169 V4L2_TUNER_RF = 5, 170 }; 171 172 enum v4l2_memory { 173 V4L2_MEMORY_MMAP = 1, 174 V4L2_MEMORY_USERPTR = 2, 175 V4L2_MEMORY_OVERLAY = 3, 176 V4L2_MEMORY_DMABUF = 4, 177 }; 178 179 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 180 enum v4l2_colorspace { 181 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 182 V4L2_COLORSPACE_SMPTE170M = 1, 183 184 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 185 V4L2_COLORSPACE_SMPTE240M = 2, 186 187 /* Rec.709: used for HDTV */ 188 V4L2_COLORSPACE_REC709 = 3, 189 190 /* 191 * Deprecated, do not use. No driver will ever return this. This was 192 * based on a misunderstanding of the bt878 datasheet. 193 */ 194 V4L2_COLORSPACE_BT878 = 4, 195 196 /* 197 * NTSC 1953 colorspace. This only makes sense when dealing with 198 * really, really old NTSC recordings. Superseded by SMPTE 170M. 199 */ 200 V4L2_COLORSPACE_470_SYSTEM_M = 5, 201 202 /* 203 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 204 * dealing with really old PAL/SECAM recordings. Superseded by 205 * SMPTE 170M. 206 */ 207 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 208 209 /* 210 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 211 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 212 */ 213 V4L2_COLORSPACE_JPEG = 7, 214 215 /* For RGB colorspaces such as produces by most webcams. */ 216 V4L2_COLORSPACE_SRGB = 8, 217 218 /* AdobeRGB colorspace */ 219 V4L2_COLORSPACE_ADOBERGB = 9, 220 221 /* BT.2020 colorspace, used for UHDTV. */ 222 V4L2_COLORSPACE_BT2020 = 10, 223 }; 224 225 enum v4l2_ycbcr_encoding { 226 /* 227 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 228 * various colorspaces: 229 * 230 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 231 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 232 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 233 * 234 * V4L2_COLORSPACE_REC709: V4L2_YCBCR_ENC_709 235 * 236 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 237 * 238 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 239 * 240 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 241 */ 242 V4L2_YCBCR_ENC_DEFAULT = 0, 243 244 /* ITU-R 601 -- SDTV */ 245 V4L2_YCBCR_ENC_601 = 1, 246 247 /* Rec. 709 -- HDTV */ 248 V4L2_YCBCR_ENC_709 = 2, 249 250 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 251 V4L2_YCBCR_ENC_XV601 = 3, 252 253 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 254 V4L2_YCBCR_ENC_XV709 = 4, 255 256 /* sYCC (Y'CbCr encoding of sRGB) */ 257 V4L2_YCBCR_ENC_SYCC = 5, 258 259 /* BT.2020 Non-constant Luminance Y'CbCr */ 260 V4L2_YCBCR_ENC_BT2020 = 6, 261 262 /* BT.2020 Constant Luminance Y'CbcCrc */ 263 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 264 265 /* SMPTE 240M -- Obsolete HDTV */ 266 V4L2_YCBCR_ENC_SMPTE240M = 8, 267 }; 268 269 enum v4l2_quantization { 270 /* 271 * The default for R'G'B' quantization is always full range. For 272 * Y'CbCr the quantization is always limited range, except for 273 * SYCC, XV601, XV709 or JPEG: those are full range. 274 */ 275 V4L2_QUANTIZATION_DEFAULT = 0, 276 V4L2_QUANTIZATION_FULL_RANGE = 1, 277 V4L2_QUANTIZATION_LIM_RANGE = 2, 278 }; 279 280 enum v4l2_priority { 281 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 282 V4L2_PRIORITY_BACKGROUND = 1, 283 V4L2_PRIORITY_INTERACTIVE = 2, 284 V4L2_PRIORITY_RECORD = 3, 285 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 286 }; 287 288 struct v4l2_rect { 289 __s32 left; 290 __s32 top; 291 __u32 width; 292 __u32 height; 293 }; 294 295 struct v4l2_fract { 296 __u32 numerator; 297 __u32 denominator; 298 }; 299 300 /** 301 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 302 * 303 * @driver: name of the driver module (e.g. "bttv") 304 * @card: name of the card (e.g. "Hauppauge WinTV") 305 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 306 * @version: KERNEL_VERSION 307 * @capabilities: capabilities of the physical device as a whole 308 * @device_caps: capabilities accessed via this particular device (node) 309 * @reserved: reserved fields for future extensions 310 */ 311 struct v4l2_capability { 312 __u8 driver[16]; 313 __u8 card[32]; 314 __u8 bus_info[32]; 315 __u32 version; 316 __u32 capabilities; 317 __u32 device_caps; 318 __u32 reserved[3]; 319 }; 320 321 /* Values for 'capabilities' field */ 322 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 323 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 324 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 325 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 326 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 327 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 328 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 329 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 330 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 331 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 332 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 333 334 /* Is a video capture device that supports multiplanar formats */ 335 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 336 /* Is a video output device that supports multiplanar formats */ 337 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 338 /* Is a video mem-to-mem device that supports multiplanar formats */ 339 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 340 /* Is a video mem-to-mem device */ 341 #define V4L2_CAP_VIDEO_M2M 0x00008000 342 343 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 344 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 345 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 346 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 347 348 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 349 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 350 351 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 352 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 353 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 354 355 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 356 357 /* 358 * V I D E O I M A G E F O R M A T 359 */ 360 struct v4l2_pix_format { 361 __u32 width; 362 __u32 height; 363 __u32 pixelformat; 364 __u32 field; /* enum v4l2_field */ 365 __u32 bytesperline; /* for padding, zero if unused */ 366 __u32 sizeimage; 367 __u32 colorspace; /* enum v4l2_colorspace */ 368 __u32 priv; /* private data, depends on pixelformat */ 369 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 370 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 371 __u32 quantization; /* enum v4l2_quantization */ 372 }; 373 374 /* Pixel format FOURCC depth Description */ 375 376 /* RGB formats */ 377 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 378 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 379 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 380 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 381 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 382 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 383 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 384 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 385 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 386 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 387 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 388 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 389 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 390 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 391 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 392 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 393 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 394 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 395 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 396 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 397 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 398 399 /* Grey formats */ 400 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 401 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 402 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 403 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 404 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 405 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 406 407 /* Grey bit-packed formats */ 408 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 409 410 /* Palette formats */ 411 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 412 413 /* Chrominance formats */ 414 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 415 416 /* Luminance+Chrominance formats */ 417 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 418 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 419 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 420 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 421 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 422 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 423 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 424 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 425 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 426 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 427 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 428 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 429 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 430 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 431 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 432 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 433 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 434 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 435 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 436 437 /* two planes -- one Y, one Cr + Cb interleaved */ 438 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 439 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 440 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 441 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 442 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 443 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 444 445 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 446 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 447 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 448 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 449 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 450 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 451 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 452 453 /* three non contiguous planes - Y, Cb, Cr */ 454 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 455 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 456 457 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 458 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 459 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 460 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 461 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 462 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 463 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 464 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 465 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 466 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 467 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 468 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 469 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 470 /* 10bit raw bayer a-law compressed to 8 bits */ 471 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 472 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 473 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 474 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 475 /* 10bit raw bayer DPCM compressed to 8 bits */ 476 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 477 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 478 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 479 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 480 /* 481 * 10bit raw bayer, expanded to 16 bits 482 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 483 */ 484 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 485 486 /* compressed formats */ 487 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 488 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 489 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 490 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 491 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 492 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 493 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 494 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 495 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 496 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 497 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 498 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 499 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 500 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 501 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 502 503 /* Vendor-specific formats */ 504 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 505 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 506 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 507 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 508 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 509 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 510 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 511 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 512 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 513 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 514 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 515 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 516 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 517 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 518 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 519 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 520 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 521 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 522 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 523 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 524 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 525 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 526 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 527 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 528 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 529 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 530 531 /* SDR formats - used only for Software Defined Radio devices */ 532 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 533 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 534 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 535 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 536 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 537 538 /* priv field value to indicates that subsequent fields are valid. */ 539 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 540 541 /* Flags */ 542 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 543 544 /* 545 * F O R M A T E N U M E R A T I O N 546 */ 547 struct v4l2_fmtdesc { 548 __u32 index; /* Format number */ 549 __u32 type; /* enum v4l2_buf_type */ 550 __u32 flags; 551 __u8 description[32]; /* Description string */ 552 __u32 pixelformat; /* Format fourcc */ 553 __u32 reserved[4]; 554 }; 555 556 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 557 #define V4L2_FMT_FLAG_EMULATED 0x0002 558 559 #if 1 560 /* Experimental Frame Size and frame rate enumeration */ 561 /* 562 * F R A M E S I Z E E N U M E R A T I O N 563 */ 564 enum v4l2_frmsizetypes { 565 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 566 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 567 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 568 }; 569 570 struct v4l2_frmsize_discrete { 571 __u32 width; /* Frame width [pixel] */ 572 __u32 height; /* Frame height [pixel] */ 573 }; 574 575 struct v4l2_frmsize_stepwise { 576 __u32 min_width; /* Minimum frame width [pixel] */ 577 __u32 max_width; /* Maximum frame width [pixel] */ 578 __u32 step_width; /* Frame width step size [pixel] */ 579 __u32 min_height; /* Minimum frame height [pixel] */ 580 __u32 max_height; /* Maximum frame height [pixel] */ 581 __u32 step_height; /* Frame height step size [pixel] */ 582 }; 583 584 struct v4l2_frmsizeenum { 585 __u32 index; /* Frame size number */ 586 __u32 pixel_format; /* Pixel format */ 587 __u32 type; /* Frame size type the device supports. */ 588 589 union { /* Frame size */ 590 struct v4l2_frmsize_discrete discrete; 591 struct v4l2_frmsize_stepwise stepwise; 592 }; 593 594 __u32 reserved[2]; /* Reserved space for future use */ 595 }; 596 597 /* 598 * F R A M E R A T E E N U M E R A T I O N 599 */ 600 enum v4l2_frmivaltypes { 601 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 602 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 603 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 604 }; 605 606 struct v4l2_frmival_stepwise { 607 struct v4l2_fract min; /* Minimum frame interval [s] */ 608 struct v4l2_fract max; /* Maximum frame interval [s] */ 609 struct v4l2_fract step; /* Frame interval step size [s] */ 610 }; 611 612 struct v4l2_frmivalenum { 613 __u32 index; /* Frame format index */ 614 __u32 pixel_format; /* Pixel format */ 615 __u32 width; /* Frame width */ 616 __u32 height; /* Frame height */ 617 __u32 type; /* Frame interval type the device supports. */ 618 619 union { /* Frame interval */ 620 struct v4l2_fract discrete; 621 struct v4l2_frmival_stepwise stepwise; 622 }; 623 624 __u32 reserved[2]; /* Reserved space for future use */ 625 }; 626 #endif 627 628 /* 629 * T I M E C O D E 630 */ 631 struct v4l2_timecode { 632 __u32 type; 633 __u32 flags; 634 __u8 frames; 635 __u8 seconds; 636 __u8 minutes; 637 __u8 hours; 638 __u8 userbits[4]; 639 }; 640 641 /* Type */ 642 #define V4L2_TC_TYPE_24FPS 1 643 #define V4L2_TC_TYPE_25FPS 2 644 #define V4L2_TC_TYPE_30FPS 3 645 #define V4L2_TC_TYPE_50FPS 4 646 #define V4L2_TC_TYPE_60FPS 5 647 648 /* Flags */ 649 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 650 #define V4L2_TC_FLAG_COLORFRAME 0x0002 651 #define V4L2_TC_USERBITS_field 0x000C 652 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 653 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 654 /* The above is based on SMPTE timecodes */ 655 656 struct v4l2_jpegcompression { 657 int quality; 658 659 int APPn; /* Number of APP segment to be written, 660 * must be 0..15 */ 661 int APP_len; /* Length of data in JPEG APPn segment */ 662 char APP_data[60]; /* Data in the JPEG APPn segment. */ 663 664 int COM_len; /* Length of data in JPEG COM segment */ 665 char COM_data[60]; /* Data in JPEG COM segment */ 666 667 __u32 jpeg_markers; /* Which markers should go into the JPEG 668 * output. Unless you exactly know what 669 * you do, leave them untouched. 670 * Including less markers will make the 671 * resulting code smaller, but there will 672 * be fewer applications which can read it. 673 * The presence of the APP and COM marker 674 * is influenced by APP_len and COM_len 675 * ONLY, not by this property! */ 676 677 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 678 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 679 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 680 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 681 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 682 * always use APP0 */ 683 }; 684 685 /* 686 * M E M O R Y - M A P P I N G B U F F E R S 687 */ 688 struct v4l2_requestbuffers { 689 __u32 count; 690 __u32 type; /* enum v4l2_buf_type */ 691 __u32 memory; /* enum v4l2_memory */ 692 __u32 reserved[2]; 693 }; 694 695 /** 696 * struct v4l2_plane - plane info for multi-planar buffers 697 * @bytesused: number of bytes occupied by data in the plane (payload) 698 * @length: size of this plane (NOT the payload) in bytes 699 * @mem_offset: when memory in the associated struct v4l2_buffer is 700 * V4L2_MEMORY_MMAP, equals the offset from the start of 701 * the device memory for this plane (or is a "cookie" that 702 * should be passed to mmap() called on the video node) 703 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 704 * pointing to this plane 705 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 706 * descriptor associated with this plane 707 * @data_offset: offset in the plane to the start of data; usually 0, 708 * unless there is a header in front of the data 709 * 710 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 711 * with two planes can have one plane for Y, and another for interleaved CbCr 712 * components. Each plane can reside in a separate memory buffer, or even in 713 * a completely separate memory node (e.g. in embedded devices). 714 */ 715 struct v4l2_plane { 716 __u32 bytesused; 717 __u32 length; 718 union { 719 __u32 mem_offset; 720 unsigned long userptr; 721 __s32 fd; 722 } m; 723 __u32 data_offset; 724 __u32 reserved[11]; 725 }; 726 727 /** 728 * struct v4l2_buffer - video buffer info 729 * @index: id number of the buffer 730 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 731 * multiplanar buffers); 732 * @bytesused: number of bytes occupied by data in the buffer (payload); 733 * unused (set to 0) for multiplanar buffers 734 * @flags: buffer informational flags 735 * @field: enum v4l2_field; field order of the image in the buffer 736 * @timestamp: frame timestamp 737 * @timecode: frame timecode 738 * @sequence: sequence count of this frame 739 * @memory: enum v4l2_memory; the method, in which the actual video data is 740 * passed 741 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 742 * offset from the start of the device memory for this plane, 743 * (or a "cookie" that should be passed to mmap() as offset) 744 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 745 * a userspace pointer pointing to this buffer 746 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 747 * a userspace file descriptor associated with this buffer 748 * @planes: for multiplanar buffers; userspace pointer to the array of plane 749 * info structs for this buffer 750 * @length: size in bytes of the buffer (NOT its payload) for single-plane 751 * buffers (when type != *_MPLANE); number of elements in the 752 * planes array for multi-plane buffers 753 * 754 * Contains data exchanged by application and driver using one of the Streaming 755 * I/O methods. 756 */ 757 struct v4l2_buffer { 758 __u32 index; 759 __u32 type; 760 __u32 bytesused; 761 __u32 flags; 762 __u32 field; 763 struct timeval timestamp; 764 struct v4l2_timecode timecode; 765 __u32 sequence; 766 767 /* memory location */ 768 __u32 memory; 769 union { 770 __u32 offset; 771 unsigned long userptr; 772 struct v4l2_plane *planes; 773 __s32 fd; 774 } m; 775 __u32 length; 776 __u32 reserved2; 777 __u32 reserved; 778 }; 779 780 /* Flags for 'flags' field */ 781 /* Buffer is mapped (flag) */ 782 #define V4L2_BUF_FLAG_MAPPED 0x00000001 783 /* Buffer is queued for processing */ 784 #define V4L2_BUF_FLAG_QUEUED 0x00000002 785 /* Buffer is ready */ 786 #define V4L2_BUF_FLAG_DONE 0x00000004 787 /* Image is a keyframe (I-frame) */ 788 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 789 /* Image is a P-frame */ 790 #define V4L2_BUF_FLAG_PFRAME 0x00000010 791 /* Image is a B-frame */ 792 #define V4L2_BUF_FLAG_BFRAME 0x00000020 793 /* Buffer is ready, but the data contained within is corrupted. */ 794 #define V4L2_BUF_FLAG_ERROR 0x00000040 795 /* timecode field is valid */ 796 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 797 /* Buffer is prepared for queuing */ 798 #define V4L2_BUF_FLAG_PREPARED 0x00000400 799 /* Cache handling flags */ 800 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 801 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 802 /* Timestamp type */ 803 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 804 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 805 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 806 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 807 /* Timestamp sources. */ 808 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 809 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 810 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 811 812 /** 813 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 814 * 815 * @index: id number of the buffer 816 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 817 * multiplanar buffers); 818 * @plane: index of the plane to be exported, 0 for single plane queues 819 * @flags: flags for newly created file, currently only O_CLOEXEC is 820 * supported, refer to manual of open syscall for more details 821 * @fd: file descriptor associated with DMABUF (set by driver) 822 * 823 * Contains data used for exporting a video buffer as DMABUF file descriptor. 824 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 825 * (identical to the cookie used to mmap() the buffer to userspace). All 826 * reserved fields must be set to zero. The field reserved0 is expected to 827 * become a structure 'type' allowing an alternative layout of the structure 828 * content. Therefore this field should not be used for any other extensions. 829 */ 830 struct v4l2_exportbuffer { 831 __u32 type; /* enum v4l2_buf_type */ 832 __u32 index; 833 __u32 plane; 834 __u32 flags; 835 __s32 fd; 836 __u32 reserved[11]; 837 }; 838 839 /* 840 * O V E R L A Y P R E V I E W 841 */ 842 struct v4l2_framebuffer { 843 __u32 capability; 844 __u32 flags; 845 /* FIXME: in theory we should pass something like PCI device + memory 846 * region + offset instead of some physical address */ 847 void *base; 848 struct { 849 __u32 width; 850 __u32 height; 851 __u32 pixelformat; 852 __u32 field; /* enum v4l2_field */ 853 __u32 bytesperline; /* for padding, zero if unused */ 854 __u32 sizeimage; 855 __u32 colorspace; /* enum v4l2_colorspace */ 856 __u32 priv; /* reserved field, set to 0 */ 857 } fmt; 858 }; 859 /* Flags for the 'capability' field. Read only */ 860 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 861 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 862 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 863 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 864 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 865 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 866 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 867 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 868 /* Flags for the 'flags' field. */ 869 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 870 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 871 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 872 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 873 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 874 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 875 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 876 877 struct v4l2_clip { 878 struct v4l2_rect c; 879 struct v4l2_clip __user *next; 880 }; 881 882 struct v4l2_window { 883 struct v4l2_rect w; 884 __u32 field; /* enum v4l2_field */ 885 __u32 chromakey; 886 struct v4l2_clip __user *clips; 887 __u32 clipcount; 888 void __user *bitmap; 889 __u8 global_alpha; 890 }; 891 892 /* 893 * C A P T U R E P A R A M E T E R S 894 */ 895 struct v4l2_captureparm { 896 __u32 capability; /* Supported modes */ 897 __u32 capturemode; /* Current mode */ 898 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 899 __u32 extendedmode; /* Driver-specific extensions */ 900 __u32 readbuffers; /* # of buffers for read */ 901 __u32 reserved[4]; 902 }; 903 904 /* Flags for 'capability' and 'capturemode' fields */ 905 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 906 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 907 908 struct v4l2_outputparm { 909 __u32 capability; /* Supported modes */ 910 __u32 outputmode; /* Current mode */ 911 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 912 __u32 extendedmode; /* Driver-specific extensions */ 913 __u32 writebuffers; /* # of buffers for write */ 914 __u32 reserved[4]; 915 }; 916 917 /* 918 * I N P U T I M A G E C R O P P I N G 919 */ 920 struct v4l2_cropcap { 921 __u32 type; /* enum v4l2_buf_type */ 922 struct v4l2_rect bounds; 923 struct v4l2_rect defrect; 924 struct v4l2_fract pixelaspect; 925 }; 926 927 struct v4l2_crop { 928 __u32 type; /* enum v4l2_buf_type */ 929 struct v4l2_rect c; 930 }; 931 932 /** 933 * struct v4l2_selection - selection info 934 * @type: buffer type (do not use *_MPLANE types) 935 * @target: Selection target, used to choose one of possible rectangles; 936 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 937 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 938 * @r: coordinates of selection window 939 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 940 * 941 * Hardware may use multiple helper windows to process a video stream. 942 * The structure is used to exchange this selection areas between 943 * an application and a driver. 944 */ 945 struct v4l2_selection { 946 __u32 type; 947 __u32 target; 948 __u32 flags; 949 struct v4l2_rect r; 950 __u32 reserved[9]; 951 }; 952 953 954 /* 955 * A N A L O G V I D E O S T A N D A R D 956 */ 957 958 typedef __u64 v4l2_std_id; 959 960 /* one bit for each */ 961 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 962 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 963 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 964 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 965 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 966 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 967 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 968 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 969 970 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 971 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 972 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 973 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 974 975 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 976 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 977 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 978 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 979 980 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 981 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 982 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 983 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 984 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 985 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 986 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 987 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 988 989 /* ATSC/HDTV */ 990 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 991 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 992 993 /* FIXME: 994 Although std_id is 64 bits, there is an issue on PPC32 architecture that 995 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 996 this value to 32 bits. 997 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 998 it should work fine. However, if needed to add more than two standards, 999 v4l2-common.c should be fixed. 1000 */ 1001 1002 /* 1003 * Some macros to merge video standards in order to make live easier for the 1004 * drivers and V4L2 applications 1005 */ 1006 1007 /* 1008 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1009 * Missing here. 1010 */ 1011 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1012 V4L2_STD_NTSC_M_JP |\ 1013 V4L2_STD_NTSC_M_KR) 1014 /* Secam macros */ 1015 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1016 V4L2_STD_SECAM_K |\ 1017 V4L2_STD_SECAM_K1) 1018 /* All Secam Standards */ 1019 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1020 V4L2_STD_SECAM_G |\ 1021 V4L2_STD_SECAM_H |\ 1022 V4L2_STD_SECAM_DK |\ 1023 V4L2_STD_SECAM_L |\ 1024 V4L2_STD_SECAM_LC) 1025 /* PAL macros */ 1026 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1027 V4L2_STD_PAL_B1 |\ 1028 V4L2_STD_PAL_G) 1029 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1030 V4L2_STD_PAL_D1 |\ 1031 V4L2_STD_PAL_K) 1032 /* 1033 * "Common" PAL - This macro is there to be compatible with the old 1034 * V4L1 concept of "PAL": /BGDKHI. 1035 * Several PAL standards are missing here: /M, /N and /Nc 1036 */ 1037 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1038 V4L2_STD_PAL_DK |\ 1039 V4L2_STD_PAL_H |\ 1040 V4L2_STD_PAL_I) 1041 /* Chroma "agnostic" standards */ 1042 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1043 V4L2_STD_PAL_B1 |\ 1044 V4L2_STD_SECAM_B) 1045 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1046 V4L2_STD_SECAM_G) 1047 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1048 V4L2_STD_SECAM_H) 1049 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1050 V4L2_STD_SECAM_LC) 1051 #define V4L2_STD_GH (V4L2_STD_G |\ 1052 V4L2_STD_H) 1053 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1054 V4L2_STD_SECAM_DK) 1055 #define V4L2_STD_BG (V4L2_STD_B |\ 1056 V4L2_STD_G) 1057 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1058 V4L2_STD_PAL_N |\ 1059 V4L2_STD_PAL_Nc |\ 1060 V4L2_STD_NTSC) 1061 1062 /* Standards where MTS/BTSC stereo could be found */ 1063 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1064 V4L2_STD_PAL_M |\ 1065 V4L2_STD_PAL_N |\ 1066 V4L2_STD_PAL_Nc) 1067 1068 /* Standards for Countries with 60Hz Line frequency */ 1069 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1070 V4L2_STD_PAL_60 |\ 1071 V4L2_STD_NTSC |\ 1072 V4L2_STD_NTSC_443) 1073 /* Standards for Countries with 50Hz Line frequency */ 1074 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1075 V4L2_STD_PAL_N |\ 1076 V4L2_STD_PAL_Nc |\ 1077 V4L2_STD_SECAM) 1078 1079 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1080 V4L2_STD_ATSC_16_VSB) 1081 /* Macros with none and all analog standards */ 1082 #define V4L2_STD_UNKNOWN 0 1083 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1084 V4L2_STD_625_50) 1085 1086 struct v4l2_standard { 1087 __u32 index; 1088 v4l2_std_id id; 1089 __u8 name[24]; 1090 struct v4l2_fract frameperiod; /* Frames, not fields */ 1091 __u32 framelines; 1092 __u32 reserved[4]; 1093 }; 1094 1095 /* 1096 * D V B T T I M I N G S 1097 */ 1098 1099 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1100 * @width: total width of the active video in pixels 1101 * @height: total height of the active video in lines 1102 * @interlaced: Interlaced or progressive 1103 * @polarities: Positive or negative polarities 1104 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1105 * @hfrontporch:Horizontal front porch in pixels 1106 * @hsync: Horizontal Sync length in pixels 1107 * @hbackporch: Horizontal back porch in pixels 1108 * @vfrontporch:Vertical front porch in lines 1109 * @vsync: Vertical Sync length in lines 1110 * @vbackporch: Vertical back porch in lines 1111 * @il_vfrontporch:Vertical front porch for the even field 1112 * (aka field 2) of interlaced field formats 1113 * @il_vsync: Vertical Sync length for the even field 1114 * (aka field 2) of interlaced field formats 1115 * @il_vbackporch:Vertical back porch for the even field 1116 * (aka field 2) of interlaced field formats 1117 * @standards: Standards the timing belongs to 1118 * @flags: Flags 1119 * @reserved: Reserved fields, must be zeroed. 1120 * 1121 * A note regarding vertical interlaced timings: height refers to the total 1122 * height of the active video frame (= two fields). The blanking timings refer 1123 * to the blanking of each field. So the height of the total frame is 1124 * calculated as follows: 1125 * 1126 * tot_height = height + vfrontporch + vsync + vbackporch + 1127 * il_vfrontporch + il_vsync + il_vbackporch 1128 * 1129 * The active height of each field is height / 2. 1130 */ 1131 struct v4l2_bt_timings { 1132 __u32 width; 1133 __u32 height; 1134 __u32 interlaced; 1135 __u32 polarities; 1136 __u64 pixelclock; 1137 __u32 hfrontporch; 1138 __u32 hsync; 1139 __u32 hbackporch; 1140 __u32 vfrontporch; 1141 __u32 vsync; 1142 __u32 vbackporch; 1143 __u32 il_vfrontporch; 1144 __u32 il_vsync; 1145 __u32 il_vbackporch; 1146 __u32 standards; 1147 __u32 flags; 1148 __u32 reserved[14]; 1149 } __attribute__ ((packed)); 1150 1151 /* Interlaced or progressive format */ 1152 #define V4L2_DV_PROGRESSIVE 0 1153 #define V4L2_DV_INTERLACED 1 1154 1155 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1156 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1157 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1158 1159 /* Timings standards */ 1160 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1161 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1162 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1163 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1164 1165 /* Flags */ 1166 1167 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1168 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1169 intervals are reduced, allowing a higher resolution over the same 1170 bandwidth. This is a read-only flag. */ 1171 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1172 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1173 of six. These formats can be optionally played at 1 / 1.001 speed. 1174 This is a read-only flag. */ 1175 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1176 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1177 by receivers. 1178 If the framerate of the format is a multiple of six, then the pixelclock 1179 used to set up the transmitter is divided by 1.001 to make it compatible 1180 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1181 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1182 such frequencies, then the flag will also be cleared. */ 1183 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1184 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1185 longer and field 2 is really one half-line shorter, so each field has 1186 exactly the same number of half-lines. Whether half-lines can be detected 1187 or used depends on the hardware. */ 1188 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1189 1190 /* A few useful defines to calculate the total blanking and frame sizes */ 1191 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1192 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1193 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1194 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1195 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1196 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1197 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1198 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1199 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1200 1201 /** struct v4l2_dv_timings - DV timings 1202 * @type: the type of the timings 1203 * @bt: BT656/1120 timings 1204 */ 1205 struct v4l2_dv_timings { 1206 __u32 type; 1207 union { 1208 struct v4l2_bt_timings bt; 1209 __u32 reserved[32]; 1210 }; 1211 } __attribute__ ((packed)); 1212 1213 /* Values for the type field */ 1214 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1215 1216 1217 /** struct v4l2_enum_dv_timings - DV timings enumeration 1218 * @index: enumeration index 1219 * @pad: the pad number for which to enumerate timings (used with 1220 * v4l-subdev nodes only) 1221 * @reserved: must be zeroed 1222 * @timings: the timings for the given index 1223 */ 1224 struct v4l2_enum_dv_timings { 1225 __u32 index; 1226 __u32 pad; 1227 __u32 reserved[2]; 1228 struct v4l2_dv_timings timings; 1229 }; 1230 1231 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1232 * @min_width: width in pixels 1233 * @max_width: width in pixels 1234 * @min_height: height in lines 1235 * @max_height: height in lines 1236 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1237 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1238 * @standards: Supported standards 1239 * @capabilities: Supported capabilities 1240 * @reserved: Must be zeroed 1241 */ 1242 struct v4l2_bt_timings_cap { 1243 __u32 min_width; 1244 __u32 max_width; 1245 __u32 min_height; 1246 __u32 max_height; 1247 __u64 min_pixelclock; 1248 __u64 max_pixelclock; 1249 __u32 standards; 1250 __u32 capabilities; 1251 __u32 reserved[16]; 1252 } __attribute__ ((packed)); 1253 1254 /* Supports interlaced formats */ 1255 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1256 /* Supports progressive formats */ 1257 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1258 /* Supports CVT/GTF reduced blanking */ 1259 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1260 /* Supports custom formats */ 1261 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1262 1263 /** struct v4l2_dv_timings_cap - DV timings capabilities 1264 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1265 * @pad: the pad number for which to query capabilities (used with 1266 * v4l-subdev nodes only) 1267 * @bt: the BT656/1120 timings capabilities 1268 */ 1269 struct v4l2_dv_timings_cap { 1270 __u32 type; 1271 __u32 pad; 1272 __u32 reserved[2]; 1273 union { 1274 struct v4l2_bt_timings_cap bt; 1275 __u32 raw_data[32]; 1276 }; 1277 }; 1278 1279 1280 /* 1281 * V I D E O I N P U T S 1282 */ 1283 struct v4l2_input { 1284 __u32 index; /* Which input */ 1285 __u8 name[32]; /* Label */ 1286 __u32 type; /* Type of input */ 1287 __u32 audioset; /* Associated audios (bitfield) */ 1288 __u32 tuner; /* enum v4l2_tuner_type */ 1289 v4l2_std_id std; 1290 __u32 status; 1291 __u32 capabilities; 1292 __u32 reserved[3]; 1293 }; 1294 1295 /* Values for the 'type' field */ 1296 #define V4L2_INPUT_TYPE_TUNER 1 1297 #define V4L2_INPUT_TYPE_CAMERA 2 1298 1299 /* field 'status' - general */ 1300 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1301 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1302 #define V4L2_IN_ST_NO_COLOR 0x00000004 1303 1304 /* field 'status' - sensor orientation */ 1305 /* If sensor is mounted upside down set both bits */ 1306 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1307 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1308 1309 /* field 'status' - analog */ 1310 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1311 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1312 1313 /* field 'status' - digital */ 1314 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1315 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1316 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1317 1318 /* field 'status' - VCR and set-top box */ 1319 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1320 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1321 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1322 1323 /* capabilities flags */ 1324 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1325 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1326 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1327 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1328 1329 /* 1330 * V I D E O O U T P U T S 1331 */ 1332 struct v4l2_output { 1333 __u32 index; /* Which output */ 1334 __u8 name[32]; /* Label */ 1335 __u32 type; /* Type of output */ 1336 __u32 audioset; /* Associated audios (bitfield) */ 1337 __u32 modulator; /* Associated modulator */ 1338 v4l2_std_id std; 1339 __u32 capabilities; 1340 __u32 reserved[3]; 1341 }; 1342 /* Values for the 'type' field */ 1343 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1344 #define V4L2_OUTPUT_TYPE_ANALOG 2 1345 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1346 1347 /* capabilities flags */ 1348 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1349 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1350 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1351 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1352 1353 /* 1354 * C O N T R O L S 1355 */ 1356 struct v4l2_control { 1357 __u32 id; 1358 __s32 value; 1359 }; 1360 1361 struct v4l2_ext_control { 1362 __u32 id; 1363 __u32 size; 1364 __u32 reserved2[1]; 1365 union { 1366 __s32 value; 1367 __s64 value64; 1368 char __user *string; 1369 __u8 __user *p_u8; 1370 __u16 __user *p_u16; 1371 __u32 __user *p_u32; 1372 void __user *ptr; 1373 }; 1374 } __attribute__ ((packed)); 1375 1376 struct v4l2_ext_controls { 1377 __u32 ctrl_class; 1378 __u32 count; 1379 __u32 error_idx; 1380 __u32 reserved[2]; 1381 struct v4l2_ext_control *controls; 1382 }; 1383 1384 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1385 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1386 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1387 #define V4L2_CTRL_MAX_DIMS (4) 1388 1389 enum v4l2_ctrl_type { 1390 V4L2_CTRL_TYPE_INTEGER = 1, 1391 V4L2_CTRL_TYPE_BOOLEAN = 2, 1392 V4L2_CTRL_TYPE_MENU = 3, 1393 V4L2_CTRL_TYPE_BUTTON = 4, 1394 V4L2_CTRL_TYPE_INTEGER64 = 5, 1395 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1396 V4L2_CTRL_TYPE_STRING = 7, 1397 V4L2_CTRL_TYPE_BITMASK = 8, 1398 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1399 1400 /* Compound types are >= 0x0100 */ 1401 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1402 V4L2_CTRL_TYPE_U8 = 0x0100, 1403 V4L2_CTRL_TYPE_U16 = 0x0101, 1404 V4L2_CTRL_TYPE_U32 = 0x0102, 1405 }; 1406 1407 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1408 struct v4l2_queryctrl { 1409 __u32 id; 1410 __u32 type; /* enum v4l2_ctrl_type */ 1411 __u8 name[32]; /* Whatever */ 1412 __s32 minimum; /* Note signedness */ 1413 __s32 maximum; 1414 __s32 step; 1415 __s32 default_value; 1416 __u32 flags; 1417 __u32 reserved[2]; 1418 }; 1419 1420 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1421 struct v4l2_query_ext_ctrl { 1422 __u32 id; 1423 __u32 type; 1424 char name[32]; 1425 __s64 minimum; 1426 __s64 maximum; 1427 __u64 step; 1428 __s64 default_value; 1429 __u32 flags; 1430 __u32 elem_size; 1431 __u32 elems; 1432 __u32 nr_of_dims; 1433 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1434 __u32 reserved[32]; 1435 }; 1436 1437 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1438 struct v4l2_querymenu { 1439 __u32 id; 1440 __u32 index; 1441 union { 1442 __u8 name[32]; /* Whatever */ 1443 __s64 value; 1444 }; 1445 __u32 reserved; 1446 } __attribute__ ((packed)); 1447 1448 /* Control flags */ 1449 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1450 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1451 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1452 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1453 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1454 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1455 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1456 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1457 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1458 1459 /* Query flags, to be ORed with the control ID */ 1460 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1461 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1462 1463 /* User-class control IDs defined by V4L2 */ 1464 #define V4L2_CID_MAX_CTRLS 1024 1465 /* IDs reserved for driver specific controls */ 1466 #define V4L2_CID_PRIVATE_BASE 0x08000000 1467 1468 1469 /* 1470 * T U N I N G 1471 */ 1472 struct v4l2_tuner { 1473 __u32 index; 1474 __u8 name[32]; 1475 __u32 type; /* enum v4l2_tuner_type */ 1476 __u32 capability; 1477 __u32 rangelow; 1478 __u32 rangehigh; 1479 __u32 rxsubchans; 1480 __u32 audmode; 1481 __s32 signal; 1482 __s32 afc; 1483 __u32 reserved[4]; 1484 }; 1485 1486 struct v4l2_modulator { 1487 __u32 index; 1488 __u8 name[32]; 1489 __u32 capability; 1490 __u32 rangelow; 1491 __u32 rangehigh; 1492 __u32 txsubchans; 1493 __u32 reserved[4]; 1494 }; 1495 1496 /* Flags for the 'capability' field */ 1497 #define V4L2_TUNER_CAP_LOW 0x0001 1498 #define V4L2_TUNER_CAP_NORM 0x0002 1499 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1500 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1501 #define V4L2_TUNER_CAP_STEREO 0x0010 1502 #define V4L2_TUNER_CAP_LANG2 0x0020 1503 #define V4L2_TUNER_CAP_SAP 0x0020 1504 #define V4L2_TUNER_CAP_LANG1 0x0040 1505 #define V4L2_TUNER_CAP_RDS 0x0080 1506 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1507 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1508 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1509 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1510 #define V4L2_TUNER_CAP_1HZ 0x1000 1511 1512 /* Flags for the 'rxsubchans' field */ 1513 #define V4L2_TUNER_SUB_MONO 0x0001 1514 #define V4L2_TUNER_SUB_STEREO 0x0002 1515 #define V4L2_TUNER_SUB_LANG2 0x0004 1516 #define V4L2_TUNER_SUB_SAP 0x0004 1517 #define V4L2_TUNER_SUB_LANG1 0x0008 1518 #define V4L2_TUNER_SUB_RDS 0x0010 1519 1520 /* Values for the 'audmode' field */ 1521 #define V4L2_TUNER_MODE_MONO 0x0000 1522 #define V4L2_TUNER_MODE_STEREO 0x0001 1523 #define V4L2_TUNER_MODE_LANG2 0x0002 1524 #define V4L2_TUNER_MODE_SAP 0x0002 1525 #define V4L2_TUNER_MODE_LANG1 0x0003 1526 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1527 1528 struct v4l2_frequency { 1529 __u32 tuner; 1530 __u32 type; /* enum v4l2_tuner_type */ 1531 __u32 frequency; 1532 __u32 reserved[8]; 1533 }; 1534 1535 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1536 #define V4L2_BAND_MODULATION_FM (1 << 2) 1537 #define V4L2_BAND_MODULATION_AM (1 << 3) 1538 1539 struct v4l2_frequency_band { 1540 __u32 tuner; 1541 __u32 type; /* enum v4l2_tuner_type */ 1542 __u32 index; 1543 __u32 capability; 1544 __u32 rangelow; 1545 __u32 rangehigh; 1546 __u32 modulation; 1547 __u32 reserved[9]; 1548 }; 1549 1550 struct v4l2_hw_freq_seek { 1551 __u32 tuner; 1552 __u32 type; /* enum v4l2_tuner_type */ 1553 __u32 seek_upward; 1554 __u32 wrap_around; 1555 __u32 spacing; 1556 __u32 rangelow; 1557 __u32 rangehigh; 1558 __u32 reserved[5]; 1559 }; 1560 1561 /* 1562 * R D S 1563 */ 1564 1565 struct v4l2_rds_data { 1566 __u8 lsb; 1567 __u8 msb; 1568 __u8 block; 1569 } __attribute__ ((packed)); 1570 1571 #define V4L2_RDS_BLOCK_MSK 0x7 1572 #define V4L2_RDS_BLOCK_A 0 1573 #define V4L2_RDS_BLOCK_B 1 1574 #define V4L2_RDS_BLOCK_C 2 1575 #define V4L2_RDS_BLOCK_D 3 1576 #define V4L2_RDS_BLOCK_C_ALT 4 1577 #define V4L2_RDS_BLOCK_INVALID 7 1578 1579 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1580 #define V4L2_RDS_BLOCK_ERROR 0x80 1581 1582 /* 1583 * A U D I O 1584 */ 1585 struct v4l2_audio { 1586 __u32 index; 1587 __u8 name[32]; 1588 __u32 capability; 1589 __u32 mode; 1590 __u32 reserved[2]; 1591 }; 1592 1593 /* Flags for the 'capability' field */ 1594 #define V4L2_AUDCAP_STEREO 0x00001 1595 #define V4L2_AUDCAP_AVL 0x00002 1596 1597 /* Flags for the 'mode' field */ 1598 #define V4L2_AUDMODE_AVL 0x00001 1599 1600 struct v4l2_audioout { 1601 __u32 index; 1602 __u8 name[32]; 1603 __u32 capability; 1604 __u32 mode; 1605 __u32 reserved[2]; 1606 }; 1607 1608 /* 1609 * M P E G S E R V I C E S 1610 * 1611 * NOTE: EXPERIMENTAL API 1612 */ 1613 #if 1 1614 #define V4L2_ENC_IDX_FRAME_I (0) 1615 #define V4L2_ENC_IDX_FRAME_P (1) 1616 #define V4L2_ENC_IDX_FRAME_B (2) 1617 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1618 1619 struct v4l2_enc_idx_entry { 1620 __u64 offset; 1621 __u64 pts; 1622 __u32 length; 1623 __u32 flags; 1624 __u32 reserved[2]; 1625 }; 1626 1627 #define V4L2_ENC_IDX_ENTRIES (64) 1628 struct v4l2_enc_idx { 1629 __u32 entries; 1630 __u32 entries_cap; 1631 __u32 reserved[4]; 1632 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1633 }; 1634 1635 1636 #define V4L2_ENC_CMD_START (0) 1637 #define V4L2_ENC_CMD_STOP (1) 1638 #define V4L2_ENC_CMD_PAUSE (2) 1639 #define V4L2_ENC_CMD_RESUME (3) 1640 1641 /* Flags for V4L2_ENC_CMD_STOP */ 1642 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1643 1644 struct v4l2_encoder_cmd { 1645 __u32 cmd; 1646 __u32 flags; 1647 union { 1648 struct { 1649 __u32 data[8]; 1650 } raw; 1651 }; 1652 }; 1653 1654 /* Decoder commands */ 1655 #define V4L2_DEC_CMD_START (0) 1656 #define V4L2_DEC_CMD_STOP (1) 1657 #define V4L2_DEC_CMD_PAUSE (2) 1658 #define V4L2_DEC_CMD_RESUME (3) 1659 1660 /* Flags for V4L2_DEC_CMD_START */ 1661 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1662 1663 /* Flags for V4L2_DEC_CMD_PAUSE */ 1664 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1665 1666 /* Flags for V4L2_DEC_CMD_STOP */ 1667 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1668 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1669 1670 /* Play format requirements (returned by the driver): */ 1671 1672 /* The decoder has no special format requirements */ 1673 #define V4L2_DEC_START_FMT_NONE (0) 1674 /* The decoder requires full GOPs */ 1675 #define V4L2_DEC_START_FMT_GOP (1) 1676 1677 /* The structure must be zeroed before use by the application 1678 This ensures it can be extended safely in the future. */ 1679 struct v4l2_decoder_cmd { 1680 __u32 cmd; 1681 __u32 flags; 1682 union { 1683 struct { 1684 __u64 pts; 1685 } stop; 1686 1687 struct { 1688 /* 0 or 1000 specifies normal speed, 1689 1 specifies forward single stepping, 1690 -1 specifies backward single stepping, 1691 >1: playback at speed/1000 of the normal speed, 1692 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1693 __s32 speed; 1694 __u32 format; 1695 } start; 1696 1697 struct { 1698 __u32 data[16]; 1699 } raw; 1700 }; 1701 }; 1702 #endif 1703 1704 1705 /* 1706 * D A T A S E R V I C E S ( V B I ) 1707 * 1708 * Data services API by Michael Schimek 1709 */ 1710 1711 /* Raw VBI */ 1712 struct v4l2_vbi_format { 1713 __u32 sampling_rate; /* in 1 Hz */ 1714 __u32 offset; 1715 __u32 samples_per_line; 1716 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1717 __s32 start[2]; 1718 __u32 count[2]; 1719 __u32 flags; /* V4L2_VBI_* */ 1720 __u32 reserved[2]; /* must be zero */ 1721 }; 1722 1723 /* VBI flags */ 1724 #define V4L2_VBI_UNSYNC (1 << 0) 1725 #define V4L2_VBI_INTERLACED (1 << 1) 1726 1727 /* ITU-R start lines for each field */ 1728 #define V4L2_VBI_ITU_525_F1_START (1) 1729 #define V4L2_VBI_ITU_525_F2_START (264) 1730 #define V4L2_VBI_ITU_625_F1_START (1) 1731 #define V4L2_VBI_ITU_625_F2_START (314) 1732 1733 /* Sliced VBI 1734 * 1735 * This implements is a proposal V4L2 API to allow SLICED VBI 1736 * required for some hardware encoders. It should change without 1737 * notice in the definitive implementation. 1738 */ 1739 1740 struct v4l2_sliced_vbi_format { 1741 __u16 service_set; 1742 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1743 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1744 (equals frame lines 313-336 for 625 line video 1745 standards, 263-286 for 525 line standards) */ 1746 __u16 service_lines[2][24]; 1747 __u32 io_size; 1748 __u32 reserved[2]; /* must be zero */ 1749 }; 1750 1751 /* Teletext World System Teletext 1752 (WST), defined on ITU-R BT.653-2 */ 1753 #define V4L2_SLICED_TELETEXT_B (0x0001) 1754 /* Video Program System, defined on ETS 300 231*/ 1755 #define V4L2_SLICED_VPS (0x0400) 1756 /* Closed Caption, defined on EIA-608 */ 1757 #define V4L2_SLICED_CAPTION_525 (0x1000) 1758 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1759 #define V4L2_SLICED_WSS_625 (0x4000) 1760 1761 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1762 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1763 1764 struct v4l2_sliced_vbi_cap { 1765 __u16 service_set; 1766 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1767 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1768 (equals frame lines 313-336 for 625 line video 1769 standards, 263-286 for 525 line standards) */ 1770 __u16 service_lines[2][24]; 1771 __u32 type; /* enum v4l2_buf_type */ 1772 __u32 reserved[3]; /* must be 0 */ 1773 }; 1774 1775 struct v4l2_sliced_vbi_data { 1776 __u32 id; 1777 __u32 field; /* 0: first field, 1: second field */ 1778 __u32 line; /* 1-23 */ 1779 __u32 reserved; /* must be 0 */ 1780 __u8 data[48]; 1781 }; 1782 1783 /* 1784 * Sliced VBI data inserted into MPEG Streams 1785 */ 1786 1787 /* 1788 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1789 * 1790 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1791 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1792 * data 1793 * 1794 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1795 * definitions are not included here. See the MPEG-2 specifications for details 1796 * on these headers. 1797 */ 1798 1799 /* Line type IDs */ 1800 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1801 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1802 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1803 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1804 1805 struct v4l2_mpeg_vbi_itv0_line { 1806 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1807 __u8 data[42]; /* Sliced VBI data for the line */ 1808 } __attribute__ ((packed)); 1809 1810 struct v4l2_mpeg_vbi_itv0 { 1811 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1812 struct v4l2_mpeg_vbi_itv0_line line[35]; 1813 } __attribute__ ((packed)); 1814 1815 struct v4l2_mpeg_vbi_ITV0 { 1816 struct v4l2_mpeg_vbi_itv0_line line[36]; 1817 } __attribute__ ((packed)); 1818 1819 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1820 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1821 1822 struct v4l2_mpeg_vbi_fmt_ivtv { 1823 __u8 magic[4]; 1824 union { 1825 struct v4l2_mpeg_vbi_itv0 itv0; 1826 struct v4l2_mpeg_vbi_ITV0 ITV0; 1827 }; 1828 } __attribute__ ((packed)); 1829 1830 /* 1831 * A G G R E G A T E S T R U C T U R E S 1832 */ 1833 1834 /** 1835 * struct v4l2_plane_pix_format - additional, per-plane format definition 1836 * @sizeimage: maximum size in bytes required for data, for which 1837 * this plane will be used 1838 * @bytesperline: distance in bytes between the leftmost pixels in two 1839 * adjacent lines 1840 */ 1841 struct v4l2_plane_pix_format { 1842 __u32 sizeimage; 1843 __u16 bytesperline; 1844 __u16 reserved[7]; 1845 } __attribute__ ((packed)); 1846 1847 /** 1848 * struct v4l2_pix_format_mplane - multiplanar format definition 1849 * @width: image width in pixels 1850 * @height: image height in pixels 1851 * @pixelformat: little endian four character code (fourcc) 1852 * @field: enum v4l2_field; field order (for interlaced video) 1853 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1854 * @plane_fmt: per-plane information 1855 * @num_planes: number of planes for this format 1856 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1857 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1858 * @quantization: enum v4l2_quantization, colorspace quantization 1859 */ 1860 struct v4l2_pix_format_mplane { 1861 __u32 width; 1862 __u32 height; 1863 __u32 pixelformat; 1864 __u32 field; 1865 __u32 colorspace; 1866 1867 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1868 __u8 num_planes; 1869 __u8 flags; 1870 __u8 ycbcr_enc; 1871 __u8 quantization; 1872 __u8 reserved[8]; 1873 } __attribute__ ((packed)); 1874 1875 /** 1876 * struct v4l2_sdr_format - SDR format definition 1877 * @pixelformat: little endian four character code (fourcc) 1878 * @buffersize: maximum size in bytes required for data 1879 */ 1880 struct v4l2_sdr_format { 1881 __u32 pixelformat; 1882 __u32 buffersize; 1883 __u8 reserved[24]; 1884 } __attribute__ ((packed)); 1885 1886 /** 1887 * struct v4l2_format - stream data format 1888 * @type: enum v4l2_buf_type; type of the data stream 1889 * @pix: definition of an image format 1890 * @pix_mp: definition of a multiplanar image format 1891 * @win: definition of an overlaid image 1892 * @vbi: raw VBI capture or output parameters 1893 * @sliced: sliced VBI capture or output parameters 1894 * @raw_data: placeholder for future extensions and custom formats 1895 */ 1896 struct v4l2_format { 1897 __u32 type; 1898 union { 1899 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1900 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1901 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1902 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1903 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1904 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1905 __u8 raw_data[200]; /* user-defined */ 1906 } fmt; 1907 }; 1908 1909 /* Stream type-dependent parameters 1910 */ 1911 struct v4l2_streamparm { 1912 __u32 type; /* enum v4l2_buf_type */ 1913 union { 1914 struct v4l2_captureparm capture; 1915 struct v4l2_outputparm output; 1916 __u8 raw_data[200]; /* user-defined */ 1917 } parm; 1918 }; 1919 1920 /* 1921 * E V E N T S 1922 */ 1923 1924 #define V4L2_EVENT_ALL 0 1925 #define V4L2_EVENT_VSYNC 1 1926 #define V4L2_EVENT_EOS 2 1927 #define V4L2_EVENT_CTRL 3 1928 #define V4L2_EVENT_FRAME_SYNC 4 1929 #define V4L2_EVENT_SOURCE_CHANGE 5 1930 #define V4L2_EVENT_MOTION_DET 6 1931 #define V4L2_EVENT_PRIVATE_START 0x08000000 1932 1933 /* Payload for V4L2_EVENT_VSYNC */ 1934 struct v4l2_event_vsync { 1935 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1936 __u8 field; 1937 } __attribute__ ((packed)); 1938 1939 /* Payload for V4L2_EVENT_CTRL */ 1940 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1941 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1942 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1943 1944 struct v4l2_event_ctrl { 1945 __u32 changes; 1946 __u32 type; 1947 union { 1948 __s32 value; 1949 __s64 value64; 1950 }; 1951 __u32 flags; 1952 __s32 minimum; 1953 __s32 maximum; 1954 __s32 step; 1955 __s32 default_value; 1956 }; 1957 1958 struct v4l2_event_frame_sync { 1959 __u32 frame_sequence; 1960 }; 1961 1962 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1963 1964 struct v4l2_event_src_change { 1965 __u32 changes; 1966 }; 1967 1968 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1969 1970 /** 1971 * struct v4l2_event_motion_det - motion detection event 1972 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1973 * frame_sequence field is valid. 1974 * @frame_sequence: the frame sequence number associated with this event. 1975 * @region_mask: which regions detected motion. 1976 */ 1977 struct v4l2_event_motion_det { 1978 __u32 flags; 1979 __u32 frame_sequence; 1980 __u32 region_mask; 1981 }; 1982 1983 struct v4l2_event { 1984 __u32 type; 1985 union { 1986 struct v4l2_event_vsync vsync; 1987 struct v4l2_event_ctrl ctrl; 1988 struct v4l2_event_frame_sync frame_sync; 1989 struct v4l2_event_src_change src_change; 1990 struct v4l2_event_motion_det motion_det; 1991 __u8 data[64]; 1992 } u; 1993 __u32 pending; 1994 __u32 sequence; 1995 struct timespec timestamp; 1996 __u32 id; 1997 __u32 reserved[8]; 1998 }; 1999 2000 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2001 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2002 2003 struct v4l2_event_subscription { 2004 __u32 type; 2005 __u32 id; 2006 __u32 flags; 2007 __u32 reserved[5]; 2008 }; 2009 2010 /* 2011 * A D V A N C E D D E B U G G I N G 2012 * 2013 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2014 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2015 */ 2016 2017 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2018 2019 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2020 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2021 2022 /* The following four defines are no longer in use */ 2023 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2024 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2025 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2026 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2027 2028 struct v4l2_dbg_match { 2029 __u32 type; /* Match type */ 2030 union { /* Match this chip, meaning determined by type */ 2031 __u32 addr; 2032 char name[32]; 2033 }; 2034 } __attribute__ ((packed)); 2035 2036 struct v4l2_dbg_register { 2037 struct v4l2_dbg_match match; 2038 __u32 size; /* register size in bytes */ 2039 __u64 reg; 2040 __u64 val; 2041 } __attribute__ ((packed)); 2042 2043 #define V4L2_CHIP_FL_READABLE (1 << 0) 2044 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2045 2046 /* VIDIOC_DBG_G_CHIP_INFO */ 2047 struct v4l2_dbg_chip_info { 2048 struct v4l2_dbg_match match; 2049 char name[32]; 2050 __u32 flags; 2051 __u32 reserved[32]; 2052 } __attribute__ ((packed)); 2053 2054 /** 2055 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2056 * @index: on return, index of the first created buffer 2057 * @count: entry: number of requested buffers, 2058 * return: number of created buffers 2059 * @memory: enum v4l2_memory; buffer memory type 2060 * @format: frame format, for which buffers are requested 2061 * @reserved: future extensions 2062 */ 2063 struct v4l2_create_buffers { 2064 __u32 index; 2065 __u32 count; 2066 __u32 memory; 2067 struct v4l2_format format; 2068 __u32 reserved[8]; 2069 }; 2070 2071 /* 2072 * 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 2073 * 2074 */ 2075 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2076 #define VIDIOC_RESERVED _IO('V', 1) 2077 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2078 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2079 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2080 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2081 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2082 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2083 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2084 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2085 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2086 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2087 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2088 #define VIDIOC_STREAMON _IOW('V', 18, int) 2089 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2090 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2091 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2092 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2093 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2094 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2095 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2096 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2097 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2098 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2099 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2100 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2101 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2102 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2103 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2104 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2105 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2106 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2107 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2108 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2109 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2110 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2111 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2112 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2113 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2114 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2115 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2116 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2117 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2118 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2119 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2120 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2121 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2122 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2123 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2124 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2125 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2126 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2127 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2128 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2129 #define VIDIOC_LOG_STATUS _IO('V', 70) 2130 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2131 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2132 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2133 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2134 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2135 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2136 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2137 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2138 2139 /* Experimental, meant for debugging, testing and internal use. 2140 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2141 You must be root to use these ioctls. Never use these in applications! */ 2142 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2143 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2144 2145 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2146 2147 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2148 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2149 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2150 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2151 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2152 2153 /* Experimental, the below two ioctls may change over the next couple of kernel 2154 versions */ 2155 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2156 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2157 2158 /* Experimental selection API */ 2159 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2160 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2161 2162 /* Experimental, these two ioctls may change over the next couple of kernel 2163 versions. */ 2164 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2165 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2166 2167 /* Experimental, these three ioctls may change over the next couple of kernel 2168 versions. */ 2169 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2170 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2171 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2172 2173 /* Experimental, this ioctl may change over the next couple of kernel 2174 versions. */ 2175 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2176 2177 /* Experimental, meant for debugging, testing and internal use. 2178 Never use these in applications! */ 2179 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2180 2181 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2182 2183 /* Reminder: when adding new ioctls please add support for them to 2184 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2185 2186 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2187 2188 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2189