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 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 467 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 468 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 469 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 470 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 471 /* 10bit raw bayer a-law compressed to 8 bits */ 472 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 473 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 474 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 475 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 476 /* 10bit raw bayer DPCM compressed to 8 bits */ 477 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 478 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 479 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 480 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 481 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 482 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 483 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 484 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 485 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 486 487 /* compressed formats */ 488 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 489 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 490 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 491 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 492 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 493 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 494 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 495 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 496 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 497 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 498 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 499 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 500 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 501 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 502 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 503 504 /* Vendor-specific formats */ 505 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 506 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 507 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 508 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 509 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 510 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 511 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 512 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 513 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 514 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 515 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 516 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 517 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 518 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 519 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 520 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 521 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 522 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 523 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 524 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 525 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 526 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 527 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 528 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 529 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 530 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 531 532 /* SDR formats - used only for Software Defined Radio devices */ 533 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 534 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 535 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 536 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 537 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 538 539 /* priv field value to indicates that subsequent fields are valid. */ 540 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 541 542 /* Flags */ 543 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 544 545 /* 546 * F O R M A T E N U M E R A T I O N 547 */ 548 struct v4l2_fmtdesc { 549 __u32 index; /* Format number */ 550 __u32 type; /* enum v4l2_buf_type */ 551 __u32 flags; 552 __u8 description[32]; /* Description string */ 553 __u32 pixelformat; /* Format fourcc */ 554 __u32 reserved[4]; 555 }; 556 557 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 558 #define V4L2_FMT_FLAG_EMULATED 0x0002 559 560 #if 1 561 /* Experimental Frame Size and frame rate enumeration */ 562 /* 563 * F R A M E S I Z E E N U M E R A T I O N 564 */ 565 enum v4l2_frmsizetypes { 566 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 567 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 568 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 569 }; 570 571 struct v4l2_frmsize_discrete { 572 __u32 width; /* Frame width [pixel] */ 573 __u32 height; /* Frame height [pixel] */ 574 }; 575 576 struct v4l2_frmsize_stepwise { 577 __u32 min_width; /* Minimum frame width [pixel] */ 578 __u32 max_width; /* Maximum frame width [pixel] */ 579 __u32 step_width; /* Frame width step size [pixel] */ 580 __u32 min_height; /* Minimum frame height [pixel] */ 581 __u32 max_height; /* Maximum frame height [pixel] */ 582 __u32 step_height; /* Frame height step size [pixel] */ 583 }; 584 585 struct v4l2_frmsizeenum { 586 __u32 index; /* Frame size number */ 587 __u32 pixel_format; /* Pixel format */ 588 __u32 type; /* Frame size type the device supports. */ 589 590 union { /* Frame size */ 591 struct v4l2_frmsize_discrete discrete; 592 struct v4l2_frmsize_stepwise stepwise; 593 }; 594 595 __u32 reserved[2]; /* Reserved space for future use */ 596 }; 597 598 /* 599 * F R A M E R A T E E N U M E R A T I O N 600 */ 601 enum v4l2_frmivaltypes { 602 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 603 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 604 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 605 }; 606 607 struct v4l2_frmival_stepwise { 608 struct v4l2_fract min; /* Minimum frame interval [s] */ 609 struct v4l2_fract max; /* Maximum frame interval [s] */ 610 struct v4l2_fract step; /* Frame interval step size [s] */ 611 }; 612 613 struct v4l2_frmivalenum { 614 __u32 index; /* Frame format index */ 615 __u32 pixel_format; /* Pixel format */ 616 __u32 width; /* Frame width */ 617 __u32 height; /* Frame height */ 618 __u32 type; /* Frame interval type the device supports. */ 619 620 union { /* Frame interval */ 621 struct v4l2_fract discrete; 622 struct v4l2_frmival_stepwise stepwise; 623 }; 624 625 __u32 reserved[2]; /* Reserved space for future use */ 626 }; 627 #endif 628 629 /* 630 * T I M E C O D E 631 */ 632 struct v4l2_timecode { 633 __u32 type; 634 __u32 flags; 635 __u8 frames; 636 __u8 seconds; 637 __u8 minutes; 638 __u8 hours; 639 __u8 userbits[4]; 640 }; 641 642 /* Type */ 643 #define V4L2_TC_TYPE_24FPS 1 644 #define V4L2_TC_TYPE_25FPS 2 645 #define V4L2_TC_TYPE_30FPS 3 646 #define V4L2_TC_TYPE_50FPS 4 647 #define V4L2_TC_TYPE_60FPS 5 648 649 /* Flags */ 650 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 651 #define V4L2_TC_FLAG_COLORFRAME 0x0002 652 #define V4L2_TC_USERBITS_field 0x000C 653 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 654 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 655 /* The above is based on SMPTE timecodes */ 656 657 struct v4l2_jpegcompression { 658 int quality; 659 660 int APPn; /* Number of APP segment to be written, 661 * must be 0..15 */ 662 int APP_len; /* Length of data in JPEG APPn segment */ 663 char APP_data[60]; /* Data in the JPEG APPn segment. */ 664 665 int COM_len; /* Length of data in JPEG COM segment */ 666 char COM_data[60]; /* Data in JPEG COM segment */ 667 668 __u32 jpeg_markers; /* Which markers should go into the JPEG 669 * output. Unless you exactly know what 670 * you do, leave them untouched. 671 * Including less markers will make the 672 * resulting code smaller, but there will 673 * be fewer applications which can read it. 674 * The presence of the APP and COM marker 675 * is influenced by APP_len and COM_len 676 * ONLY, not by this property! */ 677 678 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 679 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 680 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 681 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 682 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 683 * always use APP0 */ 684 }; 685 686 /* 687 * M E M O R Y - M A P P I N G B U F F E R S 688 */ 689 struct v4l2_requestbuffers { 690 __u32 count; 691 __u32 type; /* enum v4l2_buf_type */ 692 __u32 memory; /* enum v4l2_memory */ 693 __u32 reserved[2]; 694 }; 695 696 /** 697 * struct v4l2_plane - plane info for multi-planar buffers 698 * @bytesused: number of bytes occupied by data in the plane (payload) 699 * @length: size of this plane (NOT the payload) in bytes 700 * @mem_offset: when memory in the associated struct v4l2_buffer is 701 * V4L2_MEMORY_MMAP, equals the offset from the start of 702 * the device memory for this plane (or is a "cookie" that 703 * should be passed to mmap() called on the video node) 704 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 705 * pointing to this plane 706 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 707 * descriptor associated with this plane 708 * @data_offset: offset in the plane to the start of data; usually 0, 709 * unless there is a header in front of the data 710 * 711 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 712 * with two planes can have one plane for Y, and another for interleaved CbCr 713 * components. Each plane can reside in a separate memory buffer, or even in 714 * a completely separate memory node (e.g. in embedded devices). 715 */ 716 struct v4l2_plane { 717 __u32 bytesused; 718 __u32 length; 719 union { 720 __u32 mem_offset; 721 unsigned long userptr; 722 __s32 fd; 723 } m; 724 __u32 data_offset; 725 __u32 reserved[11]; 726 }; 727 728 /** 729 * struct v4l2_buffer - video buffer info 730 * @index: id number of the buffer 731 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 732 * multiplanar buffers); 733 * @bytesused: number of bytes occupied by data in the buffer (payload); 734 * unused (set to 0) for multiplanar buffers 735 * @flags: buffer informational flags 736 * @field: enum v4l2_field; field order of the image in the buffer 737 * @timestamp: frame timestamp 738 * @timecode: frame timecode 739 * @sequence: sequence count of this frame 740 * @memory: enum v4l2_memory; the method, in which the actual video data is 741 * passed 742 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 743 * offset from the start of the device memory for this plane, 744 * (or a "cookie" that should be passed to mmap() as offset) 745 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 746 * a userspace pointer pointing to this buffer 747 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 748 * a userspace file descriptor associated with this buffer 749 * @planes: for multiplanar buffers; userspace pointer to the array of plane 750 * info structs for this buffer 751 * @length: size in bytes of the buffer (NOT its payload) for single-plane 752 * buffers (when type != *_MPLANE); number of elements in the 753 * planes array for multi-plane buffers 754 * 755 * Contains data exchanged by application and driver using one of the Streaming 756 * I/O methods. 757 */ 758 struct v4l2_buffer { 759 __u32 index; 760 __u32 type; 761 __u32 bytesused; 762 __u32 flags; 763 __u32 field; 764 struct timeval timestamp; 765 struct v4l2_timecode timecode; 766 __u32 sequence; 767 768 /* memory location */ 769 __u32 memory; 770 union { 771 __u32 offset; 772 unsigned long userptr; 773 struct v4l2_plane *planes; 774 __s32 fd; 775 } m; 776 __u32 length; 777 __u32 reserved2; 778 __u32 reserved; 779 }; 780 781 /* Flags for 'flags' field */ 782 /* Buffer is mapped (flag) */ 783 #define V4L2_BUF_FLAG_MAPPED 0x00000001 784 /* Buffer is queued for processing */ 785 #define V4L2_BUF_FLAG_QUEUED 0x00000002 786 /* Buffer is ready */ 787 #define V4L2_BUF_FLAG_DONE 0x00000004 788 /* Image is a keyframe (I-frame) */ 789 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 790 /* Image is a P-frame */ 791 #define V4L2_BUF_FLAG_PFRAME 0x00000010 792 /* Image is a B-frame */ 793 #define V4L2_BUF_FLAG_BFRAME 0x00000020 794 /* Buffer is ready, but the data contained within is corrupted. */ 795 #define V4L2_BUF_FLAG_ERROR 0x00000040 796 /* timecode field is valid */ 797 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 798 /* Buffer is prepared for queuing */ 799 #define V4L2_BUF_FLAG_PREPARED 0x00000400 800 /* Cache handling flags */ 801 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 802 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 803 /* Timestamp type */ 804 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 805 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 806 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 807 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 808 /* Timestamp sources. */ 809 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 810 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 811 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 812 813 /** 814 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 815 * 816 * @index: id number of the buffer 817 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 818 * multiplanar buffers); 819 * @plane: index of the plane to be exported, 0 for single plane queues 820 * @flags: flags for newly created file, currently only O_CLOEXEC is 821 * supported, refer to manual of open syscall for more details 822 * @fd: file descriptor associated with DMABUF (set by driver) 823 * 824 * Contains data used for exporting a video buffer as DMABUF file descriptor. 825 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 826 * (identical to the cookie used to mmap() the buffer to userspace). All 827 * reserved fields must be set to zero. The field reserved0 is expected to 828 * become a structure 'type' allowing an alternative layout of the structure 829 * content. Therefore this field should not be used for any other extensions. 830 */ 831 struct v4l2_exportbuffer { 832 __u32 type; /* enum v4l2_buf_type */ 833 __u32 index; 834 __u32 plane; 835 __u32 flags; 836 __s32 fd; 837 __u32 reserved[11]; 838 }; 839 840 /* 841 * O V E R L A Y P R E V I E W 842 */ 843 struct v4l2_framebuffer { 844 __u32 capability; 845 __u32 flags; 846 /* FIXME: in theory we should pass something like PCI device + memory 847 * region + offset instead of some physical address */ 848 void *base; 849 struct { 850 __u32 width; 851 __u32 height; 852 __u32 pixelformat; 853 __u32 field; /* enum v4l2_field */ 854 __u32 bytesperline; /* for padding, zero if unused */ 855 __u32 sizeimage; 856 __u32 colorspace; /* enum v4l2_colorspace */ 857 __u32 priv; /* reserved field, set to 0 */ 858 } fmt; 859 }; 860 /* Flags for the 'capability' field. Read only */ 861 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 862 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 863 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 864 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 865 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 866 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 867 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 868 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 869 /* Flags for the 'flags' field. */ 870 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 871 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 872 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 873 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 874 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 875 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 876 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 877 878 struct v4l2_clip { 879 struct v4l2_rect c; 880 struct v4l2_clip __user *next; 881 }; 882 883 struct v4l2_window { 884 struct v4l2_rect w; 885 __u32 field; /* enum v4l2_field */ 886 __u32 chromakey; 887 struct v4l2_clip __user *clips; 888 __u32 clipcount; 889 void __user *bitmap; 890 __u8 global_alpha; 891 }; 892 893 /* 894 * C A P T U R E P A R A M E T E R S 895 */ 896 struct v4l2_captureparm { 897 __u32 capability; /* Supported modes */ 898 __u32 capturemode; /* Current mode */ 899 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 900 __u32 extendedmode; /* Driver-specific extensions */ 901 __u32 readbuffers; /* # of buffers for read */ 902 __u32 reserved[4]; 903 }; 904 905 /* Flags for 'capability' and 'capturemode' fields */ 906 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 907 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 908 909 struct v4l2_outputparm { 910 __u32 capability; /* Supported modes */ 911 __u32 outputmode; /* Current mode */ 912 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 913 __u32 extendedmode; /* Driver-specific extensions */ 914 __u32 writebuffers; /* # of buffers for write */ 915 __u32 reserved[4]; 916 }; 917 918 /* 919 * I N P U T I M A G E C R O P P I N G 920 */ 921 struct v4l2_cropcap { 922 __u32 type; /* enum v4l2_buf_type */ 923 struct v4l2_rect bounds; 924 struct v4l2_rect defrect; 925 struct v4l2_fract pixelaspect; 926 }; 927 928 struct v4l2_crop { 929 __u32 type; /* enum v4l2_buf_type */ 930 struct v4l2_rect c; 931 }; 932 933 /** 934 * struct v4l2_selection - selection info 935 * @type: buffer type (do not use *_MPLANE types) 936 * @target: Selection target, used to choose one of possible rectangles; 937 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 938 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 939 * @r: coordinates of selection window 940 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 941 * 942 * Hardware may use multiple helper windows to process a video stream. 943 * The structure is used to exchange this selection areas between 944 * an application and a driver. 945 */ 946 struct v4l2_selection { 947 __u32 type; 948 __u32 target; 949 __u32 flags; 950 struct v4l2_rect r; 951 __u32 reserved[9]; 952 }; 953 954 955 /* 956 * A N A L O G V I D E O S T A N D A R D 957 */ 958 959 typedef __u64 v4l2_std_id; 960 961 /* one bit for each */ 962 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 963 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 964 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 965 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 966 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 967 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 968 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 969 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 970 971 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 972 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 973 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 974 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 975 976 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 977 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 978 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 979 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 980 981 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 982 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 983 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 984 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 985 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 986 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 987 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 988 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 989 990 /* ATSC/HDTV */ 991 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 992 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 993 994 /* FIXME: 995 Although std_id is 64 bits, there is an issue on PPC32 architecture that 996 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 997 this value to 32 bits. 998 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 999 it should work fine. However, if needed to add more than two standards, 1000 v4l2-common.c should be fixed. 1001 */ 1002 1003 /* 1004 * Some macros to merge video standards in order to make live easier for the 1005 * drivers and V4L2 applications 1006 */ 1007 1008 /* 1009 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1010 * Missing here. 1011 */ 1012 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1013 V4L2_STD_NTSC_M_JP |\ 1014 V4L2_STD_NTSC_M_KR) 1015 /* Secam macros */ 1016 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1017 V4L2_STD_SECAM_K |\ 1018 V4L2_STD_SECAM_K1) 1019 /* All Secam Standards */ 1020 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1021 V4L2_STD_SECAM_G |\ 1022 V4L2_STD_SECAM_H |\ 1023 V4L2_STD_SECAM_DK |\ 1024 V4L2_STD_SECAM_L |\ 1025 V4L2_STD_SECAM_LC) 1026 /* PAL macros */ 1027 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1028 V4L2_STD_PAL_B1 |\ 1029 V4L2_STD_PAL_G) 1030 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1031 V4L2_STD_PAL_D1 |\ 1032 V4L2_STD_PAL_K) 1033 /* 1034 * "Common" PAL - This macro is there to be compatible with the old 1035 * V4L1 concept of "PAL": /BGDKHI. 1036 * Several PAL standards are missing here: /M, /N and /Nc 1037 */ 1038 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1039 V4L2_STD_PAL_DK |\ 1040 V4L2_STD_PAL_H |\ 1041 V4L2_STD_PAL_I) 1042 /* Chroma "agnostic" standards */ 1043 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1044 V4L2_STD_PAL_B1 |\ 1045 V4L2_STD_SECAM_B) 1046 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1047 V4L2_STD_SECAM_G) 1048 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1049 V4L2_STD_SECAM_H) 1050 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1051 V4L2_STD_SECAM_LC) 1052 #define V4L2_STD_GH (V4L2_STD_G |\ 1053 V4L2_STD_H) 1054 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1055 V4L2_STD_SECAM_DK) 1056 #define V4L2_STD_BG (V4L2_STD_B |\ 1057 V4L2_STD_G) 1058 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1059 V4L2_STD_PAL_N |\ 1060 V4L2_STD_PAL_Nc |\ 1061 V4L2_STD_NTSC) 1062 1063 /* Standards where MTS/BTSC stereo could be found */ 1064 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1065 V4L2_STD_PAL_M |\ 1066 V4L2_STD_PAL_N |\ 1067 V4L2_STD_PAL_Nc) 1068 1069 /* Standards for Countries with 60Hz Line frequency */ 1070 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1071 V4L2_STD_PAL_60 |\ 1072 V4L2_STD_NTSC |\ 1073 V4L2_STD_NTSC_443) 1074 /* Standards for Countries with 50Hz Line frequency */ 1075 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1076 V4L2_STD_PAL_N |\ 1077 V4L2_STD_PAL_Nc |\ 1078 V4L2_STD_SECAM) 1079 1080 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1081 V4L2_STD_ATSC_16_VSB) 1082 /* Macros with none and all analog standards */ 1083 #define V4L2_STD_UNKNOWN 0 1084 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1085 V4L2_STD_625_50) 1086 1087 struct v4l2_standard { 1088 __u32 index; 1089 v4l2_std_id id; 1090 __u8 name[24]; 1091 struct v4l2_fract frameperiod; /* Frames, not fields */ 1092 __u32 framelines; 1093 __u32 reserved[4]; 1094 }; 1095 1096 /* 1097 * D V B T T I M I N G S 1098 */ 1099 1100 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1101 * @width: total width of the active video in pixels 1102 * @height: total height of the active video in lines 1103 * @interlaced: Interlaced or progressive 1104 * @polarities: Positive or negative polarities 1105 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1106 * @hfrontporch:Horizontal front porch in pixels 1107 * @hsync: Horizontal Sync length in pixels 1108 * @hbackporch: Horizontal back porch in pixels 1109 * @vfrontporch:Vertical front porch in lines 1110 * @vsync: Vertical Sync length in lines 1111 * @vbackporch: Vertical back porch in lines 1112 * @il_vfrontporch:Vertical front porch for the even field 1113 * (aka field 2) of interlaced field formats 1114 * @il_vsync: Vertical Sync length for the even field 1115 * (aka field 2) of interlaced field formats 1116 * @il_vbackporch:Vertical back porch for the even field 1117 * (aka field 2) of interlaced field formats 1118 * @standards: Standards the timing belongs to 1119 * @flags: Flags 1120 * @reserved: Reserved fields, must be zeroed. 1121 * 1122 * A note regarding vertical interlaced timings: height refers to the total 1123 * height of the active video frame (= two fields). The blanking timings refer 1124 * to the blanking of each field. So the height of the total frame is 1125 * calculated as follows: 1126 * 1127 * tot_height = height + vfrontporch + vsync + vbackporch + 1128 * il_vfrontporch + il_vsync + il_vbackporch 1129 * 1130 * The active height of each field is height / 2. 1131 */ 1132 struct v4l2_bt_timings { 1133 __u32 width; 1134 __u32 height; 1135 __u32 interlaced; 1136 __u32 polarities; 1137 __u64 pixelclock; 1138 __u32 hfrontporch; 1139 __u32 hsync; 1140 __u32 hbackporch; 1141 __u32 vfrontporch; 1142 __u32 vsync; 1143 __u32 vbackporch; 1144 __u32 il_vfrontporch; 1145 __u32 il_vsync; 1146 __u32 il_vbackporch; 1147 __u32 standards; 1148 __u32 flags; 1149 __u32 reserved[14]; 1150 } __attribute__ ((packed)); 1151 1152 /* Interlaced or progressive format */ 1153 #define V4L2_DV_PROGRESSIVE 0 1154 #define V4L2_DV_INTERLACED 1 1155 1156 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1157 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1158 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1159 1160 /* Timings standards */ 1161 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1162 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1163 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1164 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1165 1166 /* Flags */ 1167 1168 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1169 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1170 intervals are reduced, allowing a higher resolution over the same 1171 bandwidth. This is a read-only flag. */ 1172 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1173 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1174 of six. These formats can be optionally played at 1 / 1.001 speed. 1175 This is a read-only flag. */ 1176 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1177 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1178 by receivers. 1179 If the framerate of the format is a multiple of six, then the pixelclock 1180 used to set up the transmitter is divided by 1.001 to make it compatible 1181 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1182 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1183 such frequencies, then the flag will also be cleared. */ 1184 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1185 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1186 longer and field 2 is really one half-line shorter, so each field has 1187 exactly the same number of half-lines. Whether half-lines can be detected 1188 or used depends on the hardware. */ 1189 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1190 1191 /* A few useful defines to calculate the total blanking and frame sizes */ 1192 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1193 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1194 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1195 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1196 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1197 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1198 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1199 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1200 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1201 1202 /** struct v4l2_dv_timings - DV timings 1203 * @type: the type of the timings 1204 * @bt: BT656/1120 timings 1205 */ 1206 struct v4l2_dv_timings { 1207 __u32 type; 1208 union { 1209 struct v4l2_bt_timings bt; 1210 __u32 reserved[32]; 1211 }; 1212 } __attribute__ ((packed)); 1213 1214 /* Values for the type field */ 1215 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1216 1217 1218 /** struct v4l2_enum_dv_timings - DV timings enumeration 1219 * @index: enumeration index 1220 * @pad: the pad number for which to enumerate timings (used with 1221 * v4l-subdev nodes only) 1222 * @reserved: must be zeroed 1223 * @timings: the timings for the given index 1224 */ 1225 struct v4l2_enum_dv_timings { 1226 __u32 index; 1227 __u32 pad; 1228 __u32 reserved[2]; 1229 struct v4l2_dv_timings timings; 1230 }; 1231 1232 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1233 * @min_width: width in pixels 1234 * @max_width: width in pixels 1235 * @min_height: height in lines 1236 * @max_height: height in lines 1237 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1238 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1239 * @standards: Supported standards 1240 * @capabilities: Supported capabilities 1241 * @reserved: Must be zeroed 1242 */ 1243 struct v4l2_bt_timings_cap { 1244 __u32 min_width; 1245 __u32 max_width; 1246 __u32 min_height; 1247 __u32 max_height; 1248 __u64 min_pixelclock; 1249 __u64 max_pixelclock; 1250 __u32 standards; 1251 __u32 capabilities; 1252 __u32 reserved[16]; 1253 } __attribute__ ((packed)); 1254 1255 /* Supports interlaced formats */ 1256 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1257 /* Supports progressive formats */ 1258 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1259 /* Supports CVT/GTF reduced blanking */ 1260 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1261 /* Supports custom formats */ 1262 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1263 1264 /** struct v4l2_dv_timings_cap - DV timings capabilities 1265 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1266 * @pad: the pad number for which to query capabilities (used with 1267 * v4l-subdev nodes only) 1268 * @bt: the BT656/1120 timings capabilities 1269 */ 1270 struct v4l2_dv_timings_cap { 1271 __u32 type; 1272 __u32 pad; 1273 __u32 reserved[2]; 1274 union { 1275 struct v4l2_bt_timings_cap bt; 1276 __u32 raw_data[32]; 1277 }; 1278 }; 1279 1280 1281 /* 1282 * V I D E O I N P U T S 1283 */ 1284 struct v4l2_input { 1285 __u32 index; /* Which input */ 1286 __u8 name[32]; /* Label */ 1287 __u32 type; /* Type of input */ 1288 __u32 audioset; /* Associated audios (bitfield) */ 1289 __u32 tuner; /* enum v4l2_tuner_type */ 1290 v4l2_std_id std; 1291 __u32 status; 1292 __u32 capabilities; 1293 __u32 reserved[3]; 1294 }; 1295 1296 /* Values for the 'type' field */ 1297 #define V4L2_INPUT_TYPE_TUNER 1 1298 #define V4L2_INPUT_TYPE_CAMERA 2 1299 1300 /* field 'status' - general */ 1301 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1302 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1303 #define V4L2_IN_ST_NO_COLOR 0x00000004 1304 1305 /* field 'status' - sensor orientation */ 1306 /* If sensor is mounted upside down set both bits */ 1307 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1308 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1309 1310 /* field 'status' - analog */ 1311 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1312 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1313 1314 /* field 'status' - digital */ 1315 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1316 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1317 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1318 1319 /* field 'status' - VCR and set-top box */ 1320 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1321 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1322 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1323 1324 /* capabilities flags */ 1325 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1326 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1327 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1328 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1329 1330 /* 1331 * V I D E O O U T P U T S 1332 */ 1333 struct v4l2_output { 1334 __u32 index; /* Which output */ 1335 __u8 name[32]; /* Label */ 1336 __u32 type; /* Type of output */ 1337 __u32 audioset; /* Associated audios (bitfield) */ 1338 __u32 modulator; /* Associated modulator */ 1339 v4l2_std_id std; 1340 __u32 capabilities; 1341 __u32 reserved[3]; 1342 }; 1343 /* Values for the 'type' field */ 1344 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1345 #define V4L2_OUTPUT_TYPE_ANALOG 2 1346 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1347 1348 /* capabilities flags */ 1349 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1350 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1351 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1352 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1353 1354 /* 1355 * C O N T R O L S 1356 */ 1357 struct v4l2_control { 1358 __u32 id; 1359 __s32 value; 1360 }; 1361 1362 struct v4l2_ext_control { 1363 __u32 id; 1364 __u32 size; 1365 __u32 reserved2[1]; 1366 union { 1367 __s32 value; 1368 __s64 value64; 1369 char __user *string; 1370 __u8 __user *p_u8; 1371 __u16 __user *p_u16; 1372 __u32 __user *p_u32; 1373 void __user *ptr; 1374 }; 1375 } __attribute__ ((packed)); 1376 1377 struct v4l2_ext_controls { 1378 __u32 ctrl_class; 1379 __u32 count; 1380 __u32 error_idx; 1381 __u32 reserved[2]; 1382 struct v4l2_ext_control *controls; 1383 }; 1384 1385 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1386 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1387 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1388 #define V4L2_CTRL_MAX_DIMS (4) 1389 1390 enum v4l2_ctrl_type { 1391 V4L2_CTRL_TYPE_INTEGER = 1, 1392 V4L2_CTRL_TYPE_BOOLEAN = 2, 1393 V4L2_CTRL_TYPE_MENU = 3, 1394 V4L2_CTRL_TYPE_BUTTON = 4, 1395 V4L2_CTRL_TYPE_INTEGER64 = 5, 1396 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1397 V4L2_CTRL_TYPE_STRING = 7, 1398 V4L2_CTRL_TYPE_BITMASK = 8, 1399 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1400 1401 /* Compound types are >= 0x0100 */ 1402 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1403 V4L2_CTRL_TYPE_U8 = 0x0100, 1404 V4L2_CTRL_TYPE_U16 = 0x0101, 1405 V4L2_CTRL_TYPE_U32 = 0x0102, 1406 }; 1407 1408 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1409 struct v4l2_queryctrl { 1410 __u32 id; 1411 __u32 type; /* enum v4l2_ctrl_type */ 1412 __u8 name[32]; /* Whatever */ 1413 __s32 minimum; /* Note signedness */ 1414 __s32 maximum; 1415 __s32 step; 1416 __s32 default_value; 1417 __u32 flags; 1418 __u32 reserved[2]; 1419 }; 1420 1421 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1422 struct v4l2_query_ext_ctrl { 1423 __u32 id; 1424 __u32 type; 1425 char name[32]; 1426 __s64 minimum; 1427 __s64 maximum; 1428 __u64 step; 1429 __s64 default_value; 1430 __u32 flags; 1431 __u32 elem_size; 1432 __u32 elems; 1433 __u32 nr_of_dims; 1434 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1435 __u32 reserved[32]; 1436 }; 1437 1438 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1439 struct v4l2_querymenu { 1440 __u32 id; 1441 __u32 index; 1442 union { 1443 __u8 name[32]; /* Whatever */ 1444 __s64 value; 1445 }; 1446 __u32 reserved; 1447 } __attribute__ ((packed)); 1448 1449 /* Control flags */ 1450 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1451 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1452 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1453 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1454 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1455 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1456 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1457 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1458 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1459 1460 /* Query flags, to be ORed with the control ID */ 1461 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1462 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1463 1464 /* User-class control IDs defined by V4L2 */ 1465 #define V4L2_CID_MAX_CTRLS 1024 1466 /* IDs reserved for driver specific controls */ 1467 #define V4L2_CID_PRIVATE_BASE 0x08000000 1468 1469 1470 /* 1471 * T U N I N G 1472 */ 1473 struct v4l2_tuner { 1474 __u32 index; 1475 __u8 name[32]; 1476 __u32 type; /* enum v4l2_tuner_type */ 1477 __u32 capability; 1478 __u32 rangelow; 1479 __u32 rangehigh; 1480 __u32 rxsubchans; 1481 __u32 audmode; 1482 __s32 signal; 1483 __s32 afc; 1484 __u32 reserved[4]; 1485 }; 1486 1487 struct v4l2_modulator { 1488 __u32 index; 1489 __u8 name[32]; 1490 __u32 capability; 1491 __u32 rangelow; 1492 __u32 rangehigh; 1493 __u32 txsubchans; 1494 __u32 reserved[4]; 1495 }; 1496 1497 /* Flags for the 'capability' field */ 1498 #define V4L2_TUNER_CAP_LOW 0x0001 1499 #define V4L2_TUNER_CAP_NORM 0x0002 1500 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1501 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1502 #define V4L2_TUNER_CAP_STEREO 0x0010 1503 #define V4L2_TUNER_CAP_LANG2 0x0020 1504 #define V4L2_TUNER_CAP_SAP 0x0020 1505 #define V4L2_TUNER_CAP_LANG1 0x0040 1506 #define V4L2_TUNER_CAP_RDS 0x0080 1507 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1508 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1509 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1510 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1511 #define V4L2_TUNER_CAP_1HZ 0x1000 1512 1513 /* Flags for the 'rxsubchans' field */ 1514 #define V4L2_TUNER_SUB_MONO 0x0001 1515 #define V4L2_TUNER_SUB_STEREO 0x0002 1516 #define V4L2_TUNER_SUB_LANG2 0x0004 1517 #define V4L2_TUNER_SUB_SAP 0x0004 1518 #define V4L2_TUNER_SUB_LANG1 0x0008 1519 #define V4L2_TUNER_SUB_RDS 0x0010 1520 1521 /* Values for the 'audmode' field */ 1522 #define V4L2_TUNER_MODE_MONO 0x0000 1523 #define V4L2_TUNER_MODE_STEREO 0x0001 1524 #define V4L2_TUNER_MODE_LANG2 0x0002 1525 #define V4L2_TUNER_MODE_SAP 0x0002 1526 #define V4L2_TUNER_MODE_LANG1 0x0003 1527 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1528 1529 struct v4l2_frequency { 1530 __u32 tuner; 1531 __u32 type; /* enum v4l2_tuner_type */ 1532 __u32 frequency; 1533 __u32 reserved[8]; 1534 }; 1535 1536 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1537 #define V4L2_BAND_MODULATION_FM (1 << 2) 1538 #define V4L2_BAND_MODULATION_AM (1 << 3) 1539 1540 struct v4l2_frequency_band { 1541 __u32 tuner; 1542 __u32 type; /* enum v4l2_tuner_type */ 1543 __u32 index; 1544 __u32 capability; 1545 __u32 rangelow; 1546 __u32 rangehigh; 1547 __u32 modulation; 1548 __u32 reserved[9]; 1549 }; 1550 1551 struct v4l2_hw_freq_seek { 1552 __u32 tuner; 1553 __u32 type; /* enum v4l2_tuner_type */ 1554 __u32 seek_upward; 1555 __u32 wrap_around; 1556 __u32 spacing; 1557 __u32 rangelow; 1558 __u32 rangehigh; 1559 __u32 reserved[5]; 1560 }; 1561 1562 /* 1563 * R D S 1564 */ 1565 1566 struct v4l2_rds_data { 1567 __u8 lsb; 1568 __u8 msb; 1569 __u8 block; 1570 } __attribute__ ((packed)); 1571 1572 #define V4L2_RDS_BLOCK_MSK 0x7 1573 #define V4L2_RDS_BLOCK_A 0 1574 #define V4L2_RDS_BLOCK_B 1 1575 #define V4L2_RDS_BLOCK_C 2 1576 #define V4L2_RDS_BLOCK_D 3 1577 #define V4L2_RDS_BLOCK_C_ALT 4 1578 #define V4L2_RDS_BLOCK_INVALID 7 1579 1580 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1581 #define V4L2_RDS_BLOCK_ERROR 0x80 1582 1583 /* 1584 * A U D I O 1585 */ 1586 struct v4l2_audio { 1587 __u32 index; 1588 __u8 name[32]; 1589 __u32 capability; 1590 __u32 mode; 1591 __u32 reserved[2]; 1592 }; 1593 1594 /* Flags for the 'capability' field */ 1595 #define V4L2_AUDCAP_STEREO 0x00001 1596 #define V4L2_AUDCAP_AVL 0x00002 1597 1598 /* Flags for the 'mode' field */ 1599 #define V4L2_AUDMODE_AVL 0x00001 1600 1601 struct v4l2_audioout { 1602 __u32 index; 1603 __u8 name[32]; 1604 __u32 capability; 1605 __u32 mode; 1606 __u32 reserved[2]; 1607 }; 1608 1609 /* 1610 * M P E G S E R V I C E S 1611 * 1612 * NOTE: EXPERIMENTAL API 1613 */ 1614 #if 1 1615 #define V4L2_ENC_IDX_FRAME_I (0) 1616 #define V4L2_ENC_IDX_FRAME_P (1) 1617 #define V4L2_ENC_IDX_FRAME_B (2) 1618 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1619 1620 struct v4l2_enc_idx_entry { 1621 __u64 offset; 1622 __u64 pts; 1623 __u32 length; 1624 __u32 flags; 1625 __u32 reserved[2]; 1626 }; 1627 1628 #define V4L2_ENC_IDX_ENTRIES (64) 1629 struct v4l2_enc_idx { 1630 __u32 entries; 1631 __u32 entries_cap; 1632 __u32 reserved[4]; 1633 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1634 }; 1635 1636 1637 #define V4L2_ENC_CMD_START (0) 1638 #define V4L2_ENC_CMD_STOP (1) 1639 #define V4L2_ENC_CMD_PAUSE (2) 1640 #define V4L2_ENC_CMD_RESUME (3) 1641 1642 /* Flags for V4L2_ENC_CMD_STOP */ 1643 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1644 1645 struct v4l2_encoder_cmd { 1646 __u32 cmd; 1647 __u32 flags; 1648 union { 1649 struct { 1650 __u32 data[8]; 1651 } raw; 1652 }; 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 1661 /* Flags for V4L2_DEC_CMD_START */ 1662 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1663 1664 /* Flags for V4L2_DEC_CMD_PAUSE */ 1665 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1666 1667 /* Flags for V4L2_DEC_CMD_STOP */ 1668 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1669 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1670 1671 /* Play format requirements (returned by the driver): */ 1672 1673 /* The decoder has no special format requirements */ 1674 #define V4L2_DEC_START_FMT_NONE (0) 1675 /* The decoder requires full GOPs */ 1676 #define V4L2_DEC_START_FMT_GOP (1) 1677 1678 /* The structure must be zeroed before use by the application 1679 This ensures it can be extended safely in the future. */ 1680 struct v4l2_decoder_cmd { 1681 __u32 cmd; 1682 __u32 flags; 1683 union { 1684 struct { 1685 __u64 pts; 1686 } stop; 1687 1688 struct { 1689 /* 0 or 1000 specifies normal speed, 1690 1 specifies forward single stepping, 1691 -1 specifies backward single stepping, 1692 >1: playback at speed/1000 of the normal speed, 1693 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1694 __s32 speed; 1695 __u32 format; 1696 } start; 1697 1698 struct { 1699 __u32 data[16]; 1700 } raw; 1701 }; 1702 }; 1703 #endif 1704 1705 1706 /* 1707 * D A T A S E R V I C E S ( V B I ) 1708 * 1709 * Data services API by Michael Schimek 1710 */ 1711 1712 /* Raw VBI */ 1713 struct v4l2_vbi_format { 1714 __u32 sampling_rate; /* in 1 Hz */ 1715 __u32 offset; 1716 __u32 samples_per_line; 1717 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1718 __s32 start[2]; 1719 __u32 count[2]; 1720 __u32 flags; /* V4L2_VBI_* */ 1721 __u32 reserved[2]; /* must be zero */ 1722 }; 1723 1724 /* VBI flags */ 1725 #define V4L2_VBI_UNSYNC (1 << 0) 1726 #define V4L2_VBI_INTERLACED (1 << 1) 1727 1728 /* ITU-R start lines for each field */ 1729 #define V4L2_VBI_ITU_525_F1_START (1) 1730 #define V4L2_VBI_ITU_525_F2_START (264) 1731 #define V4L2_VBI_ITU_625_F1_START (1) 1732 #define V4L2_VBI_ITU_625_F2_START (314) 1733 1734 /* Sliced VBI 1735 * 1736 * This implements is a proposal V4L2 API to allow SLICED VBI 1737 * required for some hardware encoders. It should change without 1738 * notice in the definitive implementation. 1739 */ 1740 1741 struct v4l2_sliced_vbi_format { 1742 __u16 service_set; 1743 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1744 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1745 (equals frame lines 313-336 for 625 line video 1746 standards, 263-286 for 525 line standards) */ 1747 __u16 service_lines[2][24]; 1748 __u32 io_size; 1749 __u32 reserved[2]; /* must be zero */ 1750 }; 1751 1752 /* Teletext World System Teletext 1753 (WST), defined on ITU-R BT.653-2 */ 1754 #define V4L2_SLICED_TELETEXT_B (0x0001) 1755 /* Video Program System, defined on ETS 300 231*/ 1756 #define V4L2_SLICED_VPS (0x0400) 1757 /* Closed Caption, defined on EIA-608 */ 1758 #define V4L2_SLICED_CAPTION_525 (0x1000) 1759 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1760 #define V4L2_SLICED_WSS_625 (0x4000) 1761 1762 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1763 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1764 1765 struct v4l2_sliced_vbi_cap { 1766 __u16 service_set; 1767 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1768 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1769 (equals frame lines 313-336 for 625 line video 1770 standards, 263-286 for 525 line standards) */ 1771 __u16 service_lines[2][24]; 1772 __u32 type; /* enum v4l2_buf_type */ 1773 __u32 reserved[3]; /* must be 0 */ 1774 }; 1775 1776 struct v4l2_sliced_vbi_data { 1777 __u32 id; 1778 __u32 field; /* 0: first field, 1: second field */ 1779 __u32 line; /* 1-23 */ 1780 __u32 reserved; /* must be 0 */ 1781 __u8 data[48]; 1782 }; 1783 1784 /* 1785 * Sliced VBI data inserted into MPEG Streams 1786 */ 1787 1788 /* 1789 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1790 * 1791 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1792 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1793 * data 1794 * 1795 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1796 * definitions are not included here. See the MPEG-2 specifications for details 1797 * on these headers. 1798 */ 1799 1800 /* Line type IDs */ 1801 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1802 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1803 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1804 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1805 1806 struct v4l2_mpeg_vbi_itv0_line { 1807 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1808 __u8 data[42]; /* Sliced VBI data for the line */ 1809 } __attribute__ ((packed)); 1810 1811 struct v4l2_mpeg_vbi_itv0 { 1812 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1813 struct v4l2_mpeg_vbi_itv0_line line[35]; 1814 } __attribute__ ((packed)); 1815 1816 struct v4l2_mpeg_vbi_ITV0 { 1817 struct v4l2_mpeg_vbi_itv0_line line[36]; 1818 } __attribute__ ((packed)); 1819 1820 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1821 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1822 1823 struct v4l2_mpeg_vbi_fmt_ivtv { 1824 __u8 magic[4]; 1825 union { 1826 struct v4l2_mpeg_vbi_itv0 itv0; 1827 struct v4l2_mpeg_vbi_ITV0 ITV0; 1828 }; 1829 } __attribute__ ((packed)); 1830 1831 /* 1832 * A G G R E G A T E S T R U C T U R E S 1833 */ 1834 1835 /** 1836 * struct v4l2_plane_pix_format - additional, per-plane format definition 1837 * @sizeimage: maximum size in bytes required for data, for which 1838 * this plane will be used 1839 * @bytesperline: distance in bytes between the leftmost pixels in two 1840 * adjacent lines 1841 */ 1842 struct v4l2_plane_pix_format { 1843 __u32 sizeimage; 1844 __u16 bytesperline; 1845 __u16 reserved[7]; 1846 } __attribute__ ((packed)); 1847 1848 /** 1849 * struct v4l2_pix_format_mplane - multiplanar format definition 1850 * @width: image width in pixels 1851 * @height: image height in pixels 1852 * @pixelformat: little endian four character code (fourcc) 1853 * @field: enum v4l2_field; field order (for interlaced video) 1854 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1855 * @plane_fmt: per-plane information 1856 * @num_planes: number of planes for this format 1857 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1858 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1859 * @quantization: enum v4l2_quantization, colorspace quantization 1860 */ 1861 struct v4l2_pix_format_mplane { 1862 __u32 width; 1863 __u32 height; 1864 __u32 pixelformat; 1865 __u32 field; 1866 __u32 colorspace; 1867 1868 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1869 __u8 num_planes; 1870 __u8 flags; 1871 __u8 ycbcr_enc; 1872 __u8 quantization; 1873 __u8 reserved[8]; 1874 } __attribute__ ((packed)); 1875 1876 /** 1877 * struct v4l2_sdr_format - SDR format definition 1878 * @pixelformat: little endian four character code (fourcc) 1879 * @buffersize: maximum size in bytes required for data 1880 */ 1881 struct v4l2_sdr_format { 1882 __u32 pixelformat; 1883 __u32 buffersize; 1884 __u8 reserved[24]; 1885 } __attribute__ ((packed)); 1886 1887 /** 1888 * struct v4l2_format - stream data format 1889 * @type: enum v4l2_buf_type; type of the data stream 1890 * @pix: definition of an image format 1891 * @pix_mp: definition of a multiplanar image format 1892 * @win: definition of an overlaid image 1893 * @vbi: raw VBI capture or output parameters 1894 * @sliced: sliced VBI capture or output parameters 1895 * @raw_data: placeholder for future extensions and custom formats 1896 */ 1897 struct v4l2_format { 1898 __u32 type; 1899 union { 1900 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1901 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1902 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1903 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1904 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1905 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1906 __u8 raw_data[200]; /* user-defined */ 1907 } fmt; 1908 }; 1909 1910 /* Stream type-dependent parameters 1911 */ 1912 struct v4l2_streamparm { 1913 __u32 type; /* enum v4l2_buf_type */ 1914 union { 1915 struct v4l2_captureparm capture; 1916 struct v4l2_outputparm output; 1917 __u8 raw_data[200]; /* user-defined */ 1918 } parm; 1919 }; 1920 1921 /* 1922 * E V E N T S 1923 */ 1924 1925 #define V4L2_EVENT_ALL 0 1926 #define V4L2_EVENT_VSYNC 1 1927 #define V4L2_EVENT_EOS 2 1928 #define V4L2_EVENT_CTRL 3 1929 #define V4L2_EVENT_FRAME_SYNC 4 1930 #define V4L2_EVENT_SOURCE_CHANGE 5 1931 #define V4L2_EVENT_MOTION_DET 6 1932 #define V4L2_EVENT_PRIVATE_START 0x08000000 1933 1934 /* Payload for V4L2_EVENT_VSYNC */ 1935 struct v4l2_event_vsync { 1936 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1937 __u8 field; 1938 } __attribute__ ((packed)); 1939 1940 /* Payload for V4L2_EVENT_CTRL */ 1941 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1942 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1943 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1944 1945 struct v4l2_event_ctrl { 1946 __u32 changes; 1947 __u32 type; 1948 union { 1949 __s32 value; 1950 __s64 value64; 1951 }; 1952 __u32 flags; 1953 __s32 minimum; 1954 __s32 maximum; 1955 __s32 step; 1956 __s32 default_value; 1957 }; 1958 1959 struct v4l2_event_frame_sync { 1960 __u32 frame_sequence; 1961 }; 1962 1963 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1964 1965 struct v4l2_event_src_change { 1966 __u32 changes; 1967 }; 1968 1969 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1970 1971 /** 1972 * struct v4l2_event_motion_det - motion detection event 1973 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1974 * frame_sequence field is valid. 1975 * @frame_sequence: the frame sequence number associated with this event. 1976 * @region_mask: which regions detected motion. 1977 */ 1978 struct v4l2_event_motion_det { 1979 __u32 flags; 1980 __u32 frame_sequence; 1981 __u32 region_mask; 1982 }; 1983 1984 struct v4l2_event { 1985 __u32 type; 1986 union { 1987 struct v4l2_event_vsync vsync; 1988 struct v4l2_event_ctrl ctrl; 1989 struct v4l2_event_frame_sync frame_sync; 1990 struct v4l2_event_src_change src_change; 1991 struct v4l2_event_motion_det motion_det; 1992 __u8 data[64]; 1993 } u; 1994 __u32 pending; 1995 __u32 sequence; 1996 struct timespec timestamp; 1997 __u32 id; 1998 __u32 reserved[8]; 1999 }; 2000 2001 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2002 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2003 2004 struct v4l2_event_subscription { 2005 __u32 type; 2006 __u32 id; 2007 __u32 flags; 2008 __u32 reserved[5]; 2009 }; 2010 2011 /* 2012 * A D V A N C E D D E B U G G I N G 2013 * 2014 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2015 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2016 */ 2017 2018 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2019 2020 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2021 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2022 2023 /* The following four defines are no longer in use */ 2024 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2025 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2026 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2027 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2028 2029 struct v4l2_dbg_match { 2030 __u32 type; /* Match type */ 2031 union { /* Match this chip, meaning determined by type */ 2032 __u32 addr; 2033 char name[32]; 2034 }; 2035 } __attribute__ ((packed)); 2036 2037 struct v4l2_dbg_register { 2038 struct v4l2_dbg_match match; 2039 __u32 size; /* register size in bytes */ 2040 __u64 reg; 2041 __u64 val; 2042 } __attribute__ ((packed)); 2043 2044 #define V4L2_CHIP_FL_READABLE (1 << 0) 2045 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2046 2047 /* VIDIOC_DBG_G_CHIP_INFO */ 2048 struct v4l2_dbg_chip_info { 2049 struct v4l2_dbg_match match; 2050 char name[32]; 2051 __u32 flags; 2052 __u32 reserved[32]; 2053 } __attribute__ ((packed)); 2054 2055 /** 2056 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2057 * @index: on return, index of the first created buffer 2058 * @count: entry: number of requested buffers, 2059 * return: number of created buffers 2060 * @memory: enum v4l2_memory; buffer memory type 2061 * @format: frame format, for which buffers are requested 2062 * @reserved: future extensions 2063 */ 2064 struct v4l2_create_buffers { 2065 __u32 index; 2066 __u32 count; 2067 __u32 memory; 2068 struct v4l2_format format; 2069 __u32 reserved[8]; 2070 }; 2071 2072 /* 2073 * 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 2074 * 2075 */ 2076 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2077 #define VIDIOC_RESERVED _IO('V', 1) 2078 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2079 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2080 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2081 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2082 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2083 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2084 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2085 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2086 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2087 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2088 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2089 #define VIDIOC_STREAMON _IOW('V', 18, int) 2090 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2091 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2092 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2093 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2094 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2095 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2096 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2097 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2098 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2099 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2100 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2101 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2102 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2103 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2104 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2105 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2106 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2107 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2108 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2109 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2110 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2111 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2112 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2113 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2114 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2115 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2116 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2117 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2118 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2119 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2120 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2121 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2122 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2123 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2124 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2125 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2126 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2127 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2128 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2129 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2130 #define VIDIOC_LOG_STATUS _IO('V', 70) 2131 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2132 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2133 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2134 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2135 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2136 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2137 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2138 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2139 2140 /* Experimental, meant for debugging, testing and internal use. 2141 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2142 You must be root to use these ioctls. Never use these in applications! */ 2143 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2144 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2145 2146 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2147 2148 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2149 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2150 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2151 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2152 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2153 2154 /* Experimental, the below two ioctls may change over the next couple of kernel 2155 versions */ 2156 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2157 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2158 2159 /* Experimental selection API */ 2160 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2161 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2162 2163 /* Experimental, these two ioctls may change over the next couple of kernel 2164 versions. */ 2165 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2166 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2167 2168 /* Experimental, these three ioctls may change over the next couple of kernel 2169 versions. */ 2170 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2171 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2172 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2173 2174 /* Experimental, this ioctl may change over the next couple of kernel 2175 versions. */ 2176 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2177 2178 /* Experimental, meant for debugging, testing and internal use. 2179 Never use these in applications! */ 2180 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2181 2182 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2183 2184 /* Reminder: when adding new ioctls please add support for them to 2185 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2186 2187 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2188 2189 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2190