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 /* 182 * Default colorspace, i.e. let the driver figure it out. 183 * Can only be used with video capture. 184 */ 185 V4L2_COLORSPACE_DEFAULT = 0, 186 187 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 188 V4L2_COLORSPACE_SMPTE170M = 1, 189 190 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 191 V4L2_COLORSPACE_SMPTE240M = 2, 192 193 /* Rec.709: used for HDTV */ 194 V4L2_COLORSPACE_REC709 = 3, 195 196 /* 197 * Deprecated, do not use. No driver will ever return this. This was 198 * based on a misunderstanding of the bt878 datasheet. 199 */ 200 V4L2_COLORSPACE_BT878 = 4, 201 202 /* 203 * NTSC 1953 colorspace. This only makes sense when dealing with 204 * really, really old NTSC recordings. Superseded by SMPTE 170M. 205 */ 206 V4L2_COLORSPACE_470_SYSTEM_M = 5, 207 208 /* 209 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 210 * dealing with really old PAL/SECAM recordings. Superseded by 211 * SMPTE 170M. 212 */ 213 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 214 215 /* 216 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 217 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 218 */ 219 V4L2_COLORSPACE_JPEG = 7, 220 221 /* For RGB colorspaces such as produces by most webcams. */ 222 V4L2_COLORSPACE_SRGB = 8, 223 224 /* AdobeRGB colorspace */ 225 V4L2_COLORSPACE_ADOBERGB = 9, 226 227 /* BT.2020 colorspace, used for UHDTV. */ 228 V4L2_COLORSPACE_BT2020 = 10, 229 230 /* Raw colorspace: for RAW unprocessed images */ 231 V4L2_COLORSPACE_RAW = 11, 232 233 /* DCI-P3 colorspace, used by cinema projectors */ 234 V4L2_COLORSPACE_DCI_P3 = 12, 235 }; 236 237 /* 238 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 239 * This depends on whether this is a SDTV image (use SMPTE 170M), an 240 * HDTV image (use Rec. 709), or something else (use sRGB). 241 */ 242 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 243 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 244 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 245 246 enum v4l2_xfer_func { 247 /* 248 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 249 * for the various colorspaces: 250 * 251 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 252 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 253 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 254 * 255 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 256 * 257 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 258 * 259 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 260 * 261 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 262 * 263 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 264 */ 265 V4L2_XFER_FUNC_DEFAULT = 0, 266 V4L2_XFER_FUNC_709 = 1, 267 V4L2_XFER_FUNC_SRGB = 2, 268 V4L2_XFER_FUNC_ADOBERGB = 3, 269 V4L2_XFER_FUNC_SMPTE240M = 4, 270 V4L2_XFER_FUNC_NONE = 5, 271 V4L2_XFER_FUNC_DCI_P3 = 6, 272 V4L2_XFER_FUNC_SMPTE2084 = 7, 273 }; 274 275 /* 276 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 277 * This depends on the colorspace. 278 */ 279 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 280 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 281 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 282 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 283 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 284 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 285 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 286 287 enum v4l2_ycbcr_encoding { 288 /* 289 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 290 * various colorspaces: 291 * 292 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 293 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 294 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 295 * 296 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 297 * 298 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 299 * 300 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 301 * 302 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 303 */ 304 V4L2_YCBCR_ENC_DEFAULT = 0, 305 306 /* ITU-R 601 -- SDTV */ 307 V4L2_YCBCR_ENC_601 = 1, 308 309 /* Rec. 709 -- HDTV */ 310 V4L2_YCBCR_ENC_709 = 2, 311 312 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 313 V4L2_YCBCR_ENC_XV601 = 3, 314 315 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 316 V4L2_YCBCR_ENC_XV709 = 4, 317 318 /* sYCC (Y'CbCr encoding of sRGB) */ 319 V4L2_YCBCR_ENC_SYCC = 5, 320 321 /* BT.2020 Non-constant Luminance Y'CbCr */ 322 V4L2_YCBCR_ENC_BT2020 = 6, 323 324 /* BT.2020 Constant Luminance Y'CbcCrc */ 325 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 326 327 /* SMPTE 240M -- Obsolete HDTV */ 328 V4L2_YCBCR_ENC_SMPTE240M = 8, 329 }; 330 331 /* 332 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 333 * This depends on the colorspace. 334 */ 335 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 336 (((colsp) == V4L2_COLORSPACE_REC709 || \ 337 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 338 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 339 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 340 V4L2_YCBCR_ENC_601))) 341 342 enum v4l2_quantization { 343 /* 344 * The default for R'G'B' quantization is always full range, except 345 * for the BT2020 colorspace. For Y'CbCr the quantization is always 346 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709: 347 * those are full range. 348 */ 349 V4L2_QUANTIZATION_DEFAULT = 0, 350 V4L2_QUANTIZATION_FULL_RANGE = 1, 351 V4L2_QUANTIZATION_LIM_RANGE = 2, 352 }; 353 354 /* 355 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 356 * This depends on whether the image is RGB or not, the colorspace and the 357 * Y'CbCr encoding. 358 */ 359 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 360 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 361 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 362 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 363 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 364 365 enum v4l2_priority { 366 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 367 V4L2_PRIORITY_BACKGROUND = 1, 368 V4L2_PRIORITY_INTERACTIVE = 2, 369 V4L2_PRIORITY_RECORD = 3, 370 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 371 }; 372 373 struct v4l2_rect { 374 __s32 left; 375 __s32 top; 376 __u32 width; 377 __u32 height; 378 }; 379 380 struct v4l2_fract { 381 __u32 numerator; 382 __u32 denominator; 383 }; 384 385 /** 386 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 387 * 388 * @driver: name of the driver module (e.g. "bttv") 389 * @card: name of the card (e.g. "Hauppauge WinTV") 390 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 391 * @version: KERNEL_VERSION 392 * @capabilities: capabilities of the physical device as a whole 393 * @device_caps: capabilities accessed via this particular device (node) 394 * @reserved: reserved fields for future extensions 395 */ 396 struct v4l2_capability { 397 __u8 driver[16]; 398 __u8 card[32]; 399 __u8 bus_info[32]; 400 __u32 version; 401 __u32 capabilities; 402 __u32 device_caps; 403 __u32 reserved[3]; 404 }; 405 406 /* Values for 'capabilities' field */ 407 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 408 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 409 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 410 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 411 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 412 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 413 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 414 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 415 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 416 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 417 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 418 419 /* Is a video capture device that supports multiplanar formats */ 420 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 421 /* Is a video output device that supports multiplanar formats */ 422 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 423 /* Is a video mem-to-mem device that supports multiplanar formats */ 424 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 425 /* Is a video mem-to-mem device */ 426 #define V4L2_CAP_VIDEO_M2M 0x00008000 427 428 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 429 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 430 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 431 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 432 433 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 434 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 435 436 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 437 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 438 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 439 440 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 441 442 /* 443 * V I D E O I M A G E F O R M A T 444 */ 445 struct v4l2_pix_format { 446 __u32 width; 447 __u32 height; 448 __u32 pixelformat; 449 __u32 field; /* enum v4l2_field */ 450 __u32 bytesperline; /* for padding, zero if unused */ 451 __u32 sizeimage; 452 __u32 colorspace; /* enum v4l2_colorspace */ 453 __u32 priv; /* private data, depends on pixelformat */ 454 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 455 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 456 __u32 quantization; /* enum v4l2_quantization */ 457 __u32 xfer_func; /* enum v4l2_xfer_func */ 458 }; 459 460 /* Pixel format FOURCC depth Description */ 461 462 /* RGB formats */ 463 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 464 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 465 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 466 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 467 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 468 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 469 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 470 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 471 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 472 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 473 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 474 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 475 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 476 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 477 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 478 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 479 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 480 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 481 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 482 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 483 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 484 485 /* Grey formats */ 486 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 487 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 488 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 489 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 490 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 491 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 492 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 493 494 /* Grey bit-packed formats */ 495 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 496 497 /* Palette formats */ 498 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 499 500 /* Chrominance formats */ 501 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 502 503 /* Luminance+Chrominance formats */ 504 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 505 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 506 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 507 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 508 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 509 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 510 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 511 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 512 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 513 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 514 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 515 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 516 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 517 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 518 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 519 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 520 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 521 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 522 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 523 524 /* two planes -- one Y, one Cr + Cb interleaved */ 525 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 526 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 527 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 528 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 529 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 530 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 531 532 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 533 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 534 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 535 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 536 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 537 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 538 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 539 540 /* three non contiguous planes - Y, Cb, Cr */ 541 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 542 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 543 544 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 545 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 546 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 547 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 548 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 549 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 550 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 551 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 552 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 553 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 554 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 555 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 556 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 557 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 558 /* 10bit raw bayer a-law compressed to 8 bits */ 559 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 560 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 561 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 562 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 563 /* 10bit raw bayer DPCM compressed to 8 bits */ 564 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 565 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 566 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 567 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 568 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 569 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 570 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 571 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 572 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 573 574 /* compressed formats */ 575 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 576 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 577 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 578 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 579 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 580 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 581 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 582 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 583 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 584 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 585 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 586 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 587 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 588 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 589 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 590 591 /* Vendor-specific formats */ 592 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 593 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 594 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 595 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 596 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 597 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 598 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 599 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 600 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 601 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 602 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 603 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 604 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 605 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 606 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 607 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 608 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 609 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 610 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 611 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 612 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 613 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 614 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 615 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 616 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 617 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 618 619 /* SDR formats - used only for Software Defined Radio devices */ 620 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 621 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 622 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 623 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 624 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 625 626 /* priv field value to indicates that subsequent fields are valid. */ 627 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 628 629 /* Flags */ 630 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 631 632 /* 633 * F O R M A T E N U M E R A T I O N 634 */ 635 struct v4l2_fmtdesc { 636 __u32 index; /* Format number */ 637 __u32 type; /* enum v4l2_buf_type */ 638 __u32 flags; 639 __u8 description[32]; /* Description string */ 640 __u32 pixelformat; /* Format fourcc */ 641 __u32 reserved[4]; 642 }; 643 644 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 645 #define V4L2_FMT_FLAG_EMULATED 0x0002 646 647 #if 1 648 /* Experimental Frame Size and frame rate enumeration */ 649 /* 650 * F R A M E S I Z E E N U M E R A T I O N 651 */ 652 enum v4l2_frmsizetypes { 653 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 654 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 655 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 656 }; 657 658 struct v4l2_frmsize_discrete { 659 __u32 width; /* Frame width [pixel] */ 660 __u32 height; /* Frame height [pixel] */ 661 }; 662 663 struct v4l2_frmsize_stepwise { 664 __u32 min_width; /* Minimum frame width [pixel] */ 665 __u32 max_width; /* Maximum frame width [pixel] */ 666 __u32 step_width; /* Frame width step size [pixel] */ 667 __u32 min_height; /* Minimum frame height [pixel] */ 668 __u32 max_height; /* Maximum frame height [pixel] */ 669 __u32 step_height; /* Frame height step size [pixel] */ 670 }; 671 672 struct v4l2_frmsizeenum { 673 __u32 index; /* Frame size number */ 674 __u32 pixel_format; /* Pixel format */ 675 __u32 type; /* Frame size type the device supports. */ 676 677 union { /* Frame size */ 678 struct v4l2_frmsize_discrete discrete; 679 struct v4l2_frmsize_stepwise stepwise; 680 }; 681 682 __u32 reserved[2]; /* Reserved space for future use */ 683 }; 684 685 /* 686 * F R A M E R A T E E N U M E R A T I O N 687 */ 688 enum v4l2_frmivaltypes { 689 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 690 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 691 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 692 }; 693 694 struct v4l2_frmival_stepwise { 695 struct v4l2_fract min; /* Minimum frame interval [s] */ 696 struct v4l2_fract max; /* Maximum frame interval [s] */ 697 struct v4l2_fract step; /* Frame interval step size [s] */ 698 }; 699 700 struct v4l2_frmivalenum { 701 __u32 index; /* Frame format index */ 702 __u32 pixel_format; /* Pixel format */ 703 __u32 width; /* Frame width */ 704 __u32 height; /* Frame height */ 705 __u32 type; /* Frame interval type the device supports. */ 706 707 union { /* Frame interval */ 708 struct v4l2_fract discrete; 709 struct v4l2_frmival_stepwise stepwise; 710 }; 711 712 __u32 reserved[2]; /* Reserved space for future use */ 713 }; 714 #endif 715 716 /* 717 * T I M E C O D E 718 */ 719 struct v4l2_timecode { 720 __u32 type; 721 __u32 flags; 722 __u8 frames; 723 __u8 seconds; 724 __u8 minutes; 725 __u8 hours; 726 __u8 userbits[4]; 727 }; 728 729 /* Type */ 730 #define V4L2_TC_TYPE_24FPS 1 731 #define V4L2_TC_TYPE_25FPS 2 732 #define V4L2_TC_TYPE_30FPS 3 733 #define V4L2_TC_TYPE_50FPS 4 734 #define V4L2_TC_TYPE_60FPS 5 735 736 /* Flags */ 737 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 738 #define V4L2_TC_FLAG_COLORFRAME 0x0002 739 #define V4L2_TC_USERBITS_field 0x000C 740 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 741 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 742 /* The above is based on SMPTE timecodes */ 743 744 struct v4l2_jpegcompression { 745 int quality; 746 747 int APPn; /* Number of APP segment to be written, 748 * must be 0..15 */ 749 int APP_len; /* Length of data in JPEG APPn segment */ 750 char APP_data[60]; /* Data in the JPEG APPn segment. */ 751 752 int COM_len; /* Length of data in JPEG COM segment */ 753 char COM_data[60]; /* Data in JPEG COM segment */ 754 755 __u32 jpeg_markers; /* Which markers should go into the JPEG 756 * output. Unless you exactly know what 757 * you do, leave them untouched. 758 * Including less markers will make the 759 * resulting code smaller, but there will 760 * be fewer applications which can read it. 761 * The presence of the APP and COM marker 762 * is influenced by APP_len and COM_len 763 * ONLY, not by this property! */ 764 765 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 766 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 767 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 768 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 769 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 770 * always use APP0 */ 771 }; 772 773 /* 774 * M E M O R Y - M A P P I N G B U F F E R S 775 */ 776 struct v4l2_requestbuffers { 777 __u32 count; 778 __u32 type; /* enum v4l2_buf_type */ 779 __u32 memory; /* enum v4l2_memory */ 780 __u32 reserved[2]; 781 }; 782 783 /** 784 * struct v4l2_plane - plane info for multi-planar buffers 785 * @bytesused: number of bytes occupied by data in the plane (payload) 786 * @length: size of this plane (NOT the payload) in bytes 787 * @mem_offset: when memory in the associated struct v4l2_buffer is 788 * V4L2_MEMORY_MMAP, equals the offset from the start of 789 * the device memory for this plane (or is a "cookie" that 790 * should be passed to mmap() called on the video node) 791 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 792 * pointing to this plane 793 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 794 * descriptor associated with this plane 795 * @data_offset: offset in the plane to the start of data; usually 0, 796 * unless there is a header in front of the data 797 * 798 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 799 * with two planes can have one plane for Y, and another for interleaved CbCr 800 * components. Each plane can reside in a separate memory buffer, or even in 801 * a completely separate memory node (e.g. in embedded devices). 802 */ 803 struct v4l2_plane { 804 __u32 bytesused; 805 __u32 length; 806 union { 807 __u32 mem_offset; 808 unsigned long userptr; 809 __s32 fd; 810 } m; 811 __u32 data_offset; 812 __u32 reserved[11]; 813 }; 814 815 /** 816 * struct v4l2_buffer - video buffer info 817 * @index: id number of the buffer 818 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 819 * multiplanar buffers); 820 * @bytesused: number of bytes occupied by data in the buffer (payload); 821 * unused (set to 0) for multiplanar buffers 822 * @flags: buffer informational flags 823 * @field: enum v4l2_field; field order of the image in the buffer 824 * @timestamp: frame timestamp 825 * @timecode: frame timecode 826 * @sequence: sequence count of this frame 827 * @memory: enum v4l2_memory; the method, in which the actual video data is 828 * passed 829 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 830 * offset from the start of the device memory for this plane, 831 * (or a "cookie" that should be passed to mmap() as offset) 832 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 833 * a userspace pointer pointing to this buffer 834 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 835 * a userspace file descriptor associated with this buffer 836 * @planes: for multiplanar buffers; userspace pointer to the array of plane 837 * info structs for this buffer 838 * @length: size in bytes of the buffer (NOT its payload) for single-plane 839 * buffers (when type != *_MPLANE); number of elements in the 840 * planes array for multi-plane buffers 841 * 842 * Contains data exchanged by application and driver using one of the Streaming 843 * I/O methods. 844 */ 845 struct v4l2_buffer { 846 __u32 index; 847 __u32 type; 848 __u32 bytesused; 849 __u32 flags; 850 __u32 field; 851 struct timeval timestamp; 852 struct v4l2_timecode timecode; 853 __u32 sequence; 854 855 /* memory location */ 856 __u32 memory; 857 union { 858 __u32 offset; 859 unsigned long userptr; 860 struct v4l2_plane *planes; 861 __s32 fd; 862 } m; 863 __u32 length; 864 __u32 reserved2; 865 __u32 reserved; 866 }; 867 868 /* Flags for 'flags' field */ 869 /* Buffer is mapped (flag) */ 870 #define V4L2_BUF_FLAG_MAPPED 0x00000001 871 /* Buffer is queued for processing */ 872 #define V4L2_BUF_FLAG_QUEUED 0x00000002 873 /* Buffer is ready */ 874 #define V4L2_BUF_FLAG_DONE 0x00000004 875 /* Image is a keyframe (I-frame) */ 876 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 877 /* Image is a P-frame */ 878 #define V4L2_BUF_FLAG_PFRAME 0x00000010 879 /* Image is a B-frame */ 880 #define V4L2_BUF_FLAG_BFRAME 0x00000020 881 /* Buffer is ready, but the data contained within is corrupted. */ 882 #define V4L2_BUF_FLAG_ERROR 0x00000040 883 /* timecode field is valid */ 884 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 885 /* Buffer is prepared for queuing */ 886 #define V4L2_BUF_FLAG_PREPARED 0x00000400 887 /* Cache handling flags */ 888 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 889 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 890 /* Timestamp type */ 891 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 892 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 893 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 894 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 895 /* Timestamp sources. */ 896 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 897 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 898 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 899 /* mem2mem encoder/decoder */ 900 #define V4L2_BUF_FLAG_LAST 0x00100000 901 902 /** 903 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 904 * 905 * @index: id number of the buffer 906 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 907 * multiplanar buffers); 908 * @plane: index of the plane to be exported, 0 for single plane queues 909 * @flags: flags for newly created file, currently only O_CLOEXEC is 910 * supported, refer to manual of open syscall for more details 911 * @fd: file descriptor associated with DMABUF (set by driver) 912 * 913 * Contains data used for exporting a video buffer as DMABUF file descriptor. 914 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 915 * (identical to the cookie used to mmap() the buffer to userspace). All 916 * reserved fields must be set to zero. The field reserved0 is expected to 917 * become a structure 'type' allowing an alternative layout of the structure 918 * content. Therefore this field should not be used for any other extensions. 919 */ 920 struct v4l2_exportbuffer { 921 __u32 type; /* enum v4l2_buf_type */ 922 __u32 index; 923 __u32 plane; 924 __u32 flags; 925 __s32 fd; 926 __u32 reserved[11]; 927 }; 928 929 /* 930 * O V E R L A Y P R E V I E W 931 */ 932 struct v4l2_framebuffer { 933 __u32 capability; 934 __u32 flags; 935 /* FIXME: in theory we should pass something like PCI device + memory 936 * region + offset instead of some physical address */ 937 void *base; 938 struct { 939 __u32 width; 940 __u32 height; 941 __u32 pixelformat; 942 __u32 field; /* enum v4l2_field */ 943 __u32 bytesperline; /* for padding, zero if unused */ 944 __u32 sizeimage; 945 __u32 colorspace; /* enum v4l2_colorspace */ 946 __u32 priv; /* reserved field, set to 0 */ 947 } fmt; 948 }; 949 /* Flags for the 'capability' field. Read only */ 950 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 951 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 952 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 953 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 954 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 955 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 956 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 957 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 958 /* Flags for the 'flags' field. */ 959 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 960 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 961 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 962 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 963 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 964 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 965 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 966 967 struct v4l2_clip { 968 struct v4l2_rect c; 969 struct v4l2_clip __user *next; 970 }; 971 972 struct v4l2_window { 973 struct v4l2_rect w; 974 __u32 field; /* enum v4l2_field */ 975 __u32 chromakey; 976 struct v4l2_clip __user *clips; 977 __u32 clipcount; 978 void __user *bitmap; 979 __u8 global_alpha; 980 }; 981 982 /* 983 * C A P T U R E P A R A M E T E R S 984 */ 985 struct v4l2_captureparm { 986 __u32 capability; /* Supported modes */ 987 __u32 capturemode; /* Current mode */ 988 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 989 __u32 extendedmode; /* Driver-specific extensions */ 990 __u32 readbuffers; /* # of buffers for read */ 991 __u32 reserved[4]; 992 }; 993 994 /* Flags for 'capability' and 'capturemode' fields */ 995 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 996 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 997 998 struct v4l2_outputparm { 999 __u32 capability; /* Supported modes */ 1000 __u32 outputmode; /* Current mode */ 1001 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1002 __u32 extendedmode; /* Driver-specific extensions */ 1003 __u32 writebuffers; /* # of buffers for write */ 1004 __u32 reserved[4]; 1005 }; 1006 1007 /* 1008 * I N P U T I M A G E C R O P P I N G 1009 */ 1010 struct v4l2_cropcap { 1011 __u32 type; /* enum v4l2_buf_type */ 1012 struct v4l2_rect bounds; 1013 struct v4l2_rect defrect; 1014 struct v4l2_fract pixelaspect; 1015 }; 1016 1017 struct v4l2_crop { 1018 __u32 type; /* enum v4l2_buf_type */ 1019 struct v4l2_rect c; 1020 }; 1021 1022 /** 1023 * struct v4l2_selection - selection info 1024 * @type: buffer type (do not use *_MPLANE types) 1025 * @target: Selection target, used to choose one of possible rectangles; 1026 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1027 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1028 * @r: coordinates of selection window 1029 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1030 * 1031 * Hardware may use multiple helper windows to process a video stream. 1032 * The structure is used to exchange this selection areas between 1033 * an application and a driver. 1034 */ 1035 struct v4l2_selection { 1036 __u32 type; 1037 __u32 target; 1038 __u32 flags; 1039 struct v4l2_rect r; 1040 __u32 reserved[9]; 1041 }; 1042 1043 1044 /* 1045 * A N A L O G V I D E O S T A N D A R D 1046 */ 1047 1048 typedef __u64 v4l2_std_id; 1049 1050 /* one bit for each */ 1051 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1052 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1053 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1054 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1055 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1056 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1057 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1058 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1059 1060 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1061 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1062 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1063 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1064 1065 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1066 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1067 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1068 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1069 1070 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1071 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1072 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1073 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1074 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1075 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1076 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1077 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1078 1079 /* ATSC/HDTV */ 1080 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1081 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1082 1083 /* FIXME: 1084 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1085 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1086 this value to 32 bits. 1087 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1088 it should work fine. However, if needed to add more than two standards, 1089 v4l2-common.c should be fixed. 1090 */ 1091 1092 /* 1093 * Some macros to merge video standards in order to make live easier for the 1094 * drivers and V4L2 applications 1095 */ 1096 1097 /* 1098 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1099 * Missing here. 1100 */ 1101 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1102 V4L2_STD_NTSC_M_JP |\ 1103 V4L2_STD_NTSC_M_KR) 1104 /* Secam macros */ 1105 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1106 V4L2_STD_SECAM_K |\ 1107 V4L2_STD_SECAM_K1) 1108 /* All Secam Standards */ 1109 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1110 V4L2_STD_SECAM_G |\ 1111 V4L2_STD_SECAM_H |\ 1112 V4L2_STD_SECAM_DK |\ 1113 V4L2_STD_SECAM_L |\ 1114 V4L2_STD_SECAM_LC) 1115 /* PAL macros */ 1116 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1117 V4L2_STD_PAL_B1 |\ 1118 V4L2_STD_PAL_G) 1119 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1120 V4L2_STD_PAL_D1 |\ 1121 V4L2_STD_PAL_K) 1122 /* 1123 * "Common" PAL - This macro is there to be compatible with the old 1124 * V4L1 concept of "PAL": /BGDKHI. 1125 * Several PAL standards are missing here: /M, /N and /Nc 1126 */ 1127 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1128 V4L2_STD_PAL_DK |\ 1129 V4L2_STD_PAL_H |\ 1130 V4L2_STD_PAL_I) 1131 /* Chroma "agnostic" standards */ 1132 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1133 V4L2_STD_PAL_B1 |\ 1134 V4L2_STD_SECAM_B) 1135 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1136 V4L2_STD_SECAM_G) 1137 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1138 V4L2_STD_SECAM_H) 1139 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1140 V4L2_STD_SECAM_LC) 1141 #define V4L2_STD_GH (V4L2_STD_G |\ 1142 V4L2_STD_H) 1143 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1144 V4L2_STD_SECAM_DK) 1145 #define V4L2_STD_BG (V4L2_STD_B |\ 1146 V4L2_STD_G) 1147 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1148 V4L2_STD_PAL_N |\ 1149 V4L2_STD_PAL_Nc |\ 1150 V4L2_STD_NTSC) 1151 1152 /* Standards where MTS/BTSC stereo could be found */ 1153 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1154 V4L2_STD_PAL_M |\ 1155 V4L2_STD_PAL_N |\ 1156 V4L2_STD_PAL_Nc) 1157 1158 /* Standards for Countries with 60Hz Line frequency */ 1159 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1160 V4L2_STD_PAL_60 |\ 1161 V4L2_STD_NTSC |\ 1162 V4L2_STD_NTSC_443) 1163 /* Standards for Countries with 50Hz Line frequency */ 1164 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1165 V4L2_STD_PAL_N |\ 1166 V4L2_STD_PAL_Nc |\ 1167 V4L2_STD_SECAM) 1168 1169 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1170 V4L2_STD_ATSC_16_VSB) 1171 /* Macros with none and all analog standards */ 1172 #define V4L2_STD_UNKNOWN 0 1173 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1174 V4L2_STD_625_50) 1175 1176 struct v4l2_standard { 1177 __u32 index; 1178 v4l2_std_id id; 1179 __u8 name[24]; 1180 struct v4l2_fract frameperiod; /* Frames, not fields */ 1181 __u32 framelines; 1182 __u32 reserved[4]; 1183 }; 1184 1185 /* 1186 * D V B T T I M I N G S 1187 */ 1188 1189 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1190 * @width: total width of the active video in pixels 1191 * @height: total height of the active video in lines 1192 * @interlaced: Interlaced or progressive 1193 * @polarities: Positive or negative polarities 1194 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1195 * @hfrontporch:Horizontal front porch in pixels 1196 * @hsync: Horizontal Sync length in pixels 1197 * @hbackporch: Horizontal back porch in pixels 1198 * @vfrontporch:Vertical front porch in lines 1199 * @vsync: Vertical Sync length in lines 1200 * @vbackporch: Vertical back porch in lines 1201 * @il_vfrontporch:Vertical front porch for the even field 1202 * (aka field 2) of interlaced field formats 1203 * @il_vsync: Vertical Sync length for the even field 1204 * (aka field 2) of interlaced field formats 1205 * @il_vbackporch:Vertical back porch for the even field 1206 * (aka field 2) of interlaced field formats 1207 * @standards: Standards the timing belongs to 1208 * @flags: Flags 1209 * @reserved: Reserved fields, must be zeroed. 1210 * 1211 * A note regarding vertical interlaced timings: height refers to the total 1212 * height of the active video frame (= two fields). The blanking timings refer 1213 * to the blanking of each field. So the height of the total frame is 1214 * calculated as follows: 1215 * 1216 * tot_height = height + vfrontporch + vsync + vbackporch + 1217 * il_vfrontporch + il_vsync + il_vbackporch 1218 * 1219 * The active height of each field is height / 2. 1220 */ 1221 struct v4l2_bt_timings { 1222 __u32 width; 1223 __u32 height; 1224 __u32 interlaced; 1225 __u32 polarities; 1226 __u64 pixelclock; 1227 __u32 hfrontporch; 1228 __u32 hsync; 1229 __u32 hbackporch; 1230 __u32 vfrontporch; 1231 __u32 vsync; 1232 __u32 vbackporch; 1233 __u32 il_vfrontporch; 1234 __u32 il_vsync; 1235 __u32 il_vbackporch; 1236 __u32 standards; 1237 __u32 flags; 1238 __u32 reserved[14]; 1239 } __attribute__ ((packed)); 1240 1241 /* Interlaced or progressive format */ 1242 #define V4L2_DV_PROGRESSIVE 0 1243 #define V4L2_DV_INTERLACED 1 1244 1245 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1246 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1247 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1248 1249 /* Timings standards */ 1250 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1251 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1252 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1253 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1254 1255 /* Flags */ 1256 1257 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1258 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1259 intervals are reduced, allowing a higher resolution over the same 1260 bandwidth. This is a read-only flag. */ 1261 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1262 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1263 of six. These formats can be optionally played at 1 / 1.001 speed. 1264 This is a read-only flag. */ 1265 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1266 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1267 by receivers. 1268 If the framerate of the format is a multiple of six, then the pixelclock 1269 used to set up the transmitter is divided by 1.001 to make it compatible 1270 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1271 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1272 such frequencies, then the flag will also be cleared. */ 1273 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1274 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1275 longer and field 2 is really one half-line shorter, so each field has 1276 exactly the same number of half-lines. Whether half-lines can be detected 1277 or used depends on the hardware. */ 1278 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1279 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1280 * differ from other formats (commonly called IT formats) in that if RGB 1281 * encoding is used then by default the RGB values use limited range (i.e. 1282 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1283 * except for the 640x480 format are CE formats. */ 1284 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1285 1286 /* A few useful defines to calculate the total blanking and frame sizes */ 1287 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1288 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1289 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1290 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1291 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1292 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1293 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1294 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1295 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1296 1297 /** struct v4l2_dv_timings - DV timings 1298 * @type: the type of the timings 1299 * @bt: BT656/1120 timings 1300 */ 1301 struct v4l2_dv_timings { 1302 __u32 type; 1303 union { 1304 struct v4l2_bt_timings bt; 1305 __u32 reserved[32]; 1306 }; 1307 } __attribute__ ((packed)); 1308 1309 /* Values for the type field */ 1310 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1311 1312 1313 /** struct v4l2_enum_dv_timings - DV timings enumeration 1314 * @index: enumeration index 1315 * @pad: the pad number for which to enumerate timings (used with 1316 * v4l-subdev nodes only) 1317 * @reserved: must be zeroed 1318 * @timings: the timings for the given index 1319 */ 1320 struct v4l2_enum_dv_timings { 1321 __u32 index; 1322 __u32 pad; 1323 __u32 reserved[2]; 1324 struct v4l2_dv_timings timings; 1325 }; 1326 1327 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1328 * @min_width: width in pixels 1329 * @max_width: width in pixels 1330 * @min_height: height in lines 1331 * @max_height: height in lines 1332 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1333 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1334 * @standards: Supported standards 1335 * @capabilities: Supported capabilities 1336 * @reserved: Must be zeroed 1337 */ 1338 struct v4l2_bt_timings_cap { 1339 __u32 min_width; 1340 __u32 max_width; 1341 __u32 min_height; 1342 __u32 max_height; 1343 __u64 min_pixelclock; 1344 __u64 max_pixelclock; 1345 __u32 standards; 1346 __u32 capabilities; 1347 __u32 reserved[16]; 1348 } __attribute__ ((packed)); 1349 1350 /* Supports interlaced formats */ 1351 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1352 /* Supports progressive formats */ 1353 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1354 /* Supports CVT/GTF reduced blanking */ 1355 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1356 /* Supports custom formats */ 1357 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1358 1359 /** struct v4l2_dv_timings_cap - DV timings capabilities 1360 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1361 * @pad: the pad number for which to query capabilities (used with 1362 * v4l-subdev nodes only) 1363 * @bt: the BT656/1120 timings capabilities 1364 */ 1365 struct v4l2_dv_timings_cap { 1366 __u32 type; 1367 __u32 pad; 1368 __u32 reserved[2]; 1369 union { 1370 struct v4l2_bt_timings_cap bt; 1371 __u32 raw_data[32]; 1372 }; 1373 }; 1374 1375 1376 /* 1377 * V I D E O I N P U T S 1378 */ 1379 struct v4l2_input { 1380 __u32 index; /* Which input */ 1381 __u8 name[32]; /* Label */ 1382 __u32 type; /* Type of input */ 1383 __u32 audioset; /* Associated audios (bitfield) */ 1384 __u32 tuner; /* enum v4l2_tuner_type */ 1385 v4l2_std_id std; 1386 __u32 status; 1387 __u32 capabilities; 1388 __u32 reserved[3]; 1389 }; 1390 1391 /* Values for the 'type' field */ 1392 #define V4L2_INPUT_TYPE_TUNER 1 1393 #define V4L2_INPUT_TYPE_CAMERA 2 1394 1395 /* field 'status' - general */ 1396 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1397 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1398 #define V4L2_IN_ST_NO_COLOR 0x00000004 1399 1400 /* field 'status' - sensor orientation */ 1401 /* If sensor is mounted upside down set both bits */ 1402 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1403 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1404 1405 /* field 'status' - analog */ 1406 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1407 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1408 1409 /* field 'status' - digital */ 1410 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1411 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1412 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1413 1414 /* field 'status' - VCR and set-top box */ 1415 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1416 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1417 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1418 1419 /* capabilities flags */ 1420 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1421 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1422 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1423 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1424 1425 /* 1426 * V I D E O O U T P U T S 1427 */ 1428 struct v4l2_output { 1429 __u32 index; /* Which output */ 1430 __u8 name[32]; /* Label */ 1431 __u32 type; /* Type of output */ 1432 __u32 audioset; /* Associated audios (bitfield) */ 1433 __u32 modulator; /* Associated modulator */ 1434 v4l2_std_id std; 1435 __u32 capabilities; 1436 __u32 reserved[3]; 1437 }; 1438 /* Values for the 'type' field */ 1439 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1440 #define V4L2_OUTPUT_TYPE_ANALOG 2 1441 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1442 1443 /* capabilities flags */ 1444 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1445 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1446 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1447 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1448 1449 /* 1450 * C O N T R O L S 1451 */ 1452 struct v4l2_control { 1453 __u32 id; 1454 __s32 value; 1455 }; 1456 1457 struct v4l2_ext_control { 1458 __u32 id; 1459 __u32 size; 1460 __u32 reserved2[1]; 1461 union { 1462 __s32 value; 1463 __s64 value64; 1464 char __user *string; 1465 __u8 __user *p_u8; 1466 __u16 __user *p_u16; 1467 __u32 __user *p_u32; 1468 void __user *ptr; 1469 }; 1470 } __attribute__ ((packed)); 1471 1472 struct v4l2_ext_controls { 1473 __u32 ctrl_class; 1474 __u32 count; 1475 __u32 error_idx; 1476 __u32 reserved[2]; 1477 struct v4l2_ext_control *controls; 1478 }; 1479 1480 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1481 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1482 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1483 #define V4L2_CTRL_MAX_DIMS (4) 1484 1485 enum v4l2_ctrl_type { 1486 V4L2_CTRL_TYPE_INTEGER = 1, 1487 V4L2_CTRL_TYPE_BOOLEAN = 2, 1488 V4L2_CTRL_TYPE_MENU = 3, 1489 V4L2_CTRL_TYPE_BUTTON = 4, 1490 V4L2_CTRL_TYPE_INTEGER64 = 5, 1491 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1492 V4L2_CTRL_TYPE_STRING = 7, 1493 V4L2_CTRL_TYPE_BITMASK = 8, 1494 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1495 1496 /* Compound types are >= 0x0100 */ 1497 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1498 V4L2_CTRL_TYPE_U8 = 0x0100, 1499 V4L2_CTRL_TYPE_U16 = 0x0101, 1500 V4L2_CTRL_TYPE_U32 = 0x0102, 1501 }; 1502 1503 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1504 struct v4l2_queryctrl { 1505 __u32 id; 1506 __u32 type; /* enum v4l2_ctrl_type */ 1507 __u8 name[32]; /* Whatever */ 1508 __s32 minimum; /* Note signedness */ 1509 __s32 maximum; 1510 __s32 step; 1511 __s32 default_value; 1512 __u32 flags; 1513 __u32 reserved[2]; 1514 }; 1515 1516 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1517 struct v4l2_query_ext_ctrl { 1518 __u32 id; 1519 __u32 type; 1520 char name[32]; 1521 __s64 minimum; 1522 __s64 maximum; 1523 __u64 step; 1524 __s64 default_value; 1525 __u32 flags; 1526 __u32 elem_size; 1527 __u32 elems; 1528 __u32 nr_of_dims; 1529 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1530 __u32 reserved[32]; 1531 }; 1532 1533 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1534 struct v4l2_querymenu { 1535 __u32 id; 1536 __u32 index; 1537 union { 1538 __u8 name[32]; /* Whatever */ 1539 __s64 value; 1540 }; 1541 __u32 reserved; 1542 } __attribute__ ((packed)); 1543 1544 /* Control flags */ 1545 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1546 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1547 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1548 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1549 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1550 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1551 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1552 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1553 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1554 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1555 1556 /* Query flags, to be ORed with the control ID */ 1557 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1558 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1559 1560 /* User-class control IDs defined by V4L2 */ 1561 #define V4L2_CID_MAX_CTRLS 1024 1562 /* IDs reserved for driver specific controls */ 1563 #define V4L2_CID_PRIVATE_BASE 0x08000000 1564 1565 1566 /* 1567 * T U N I N G 1568 */ 1569 struct v4l2_tuner { 1570 __u32 index; 1571 __u8 name[32]; 1572 __u32 type; /* enum v4l2_tuner_type */ 1573 __u32 capability; 1574 __u32 rangelow; 1575 __u32 rangehigh; 1576 __u32 rxsubchans; 1577 __u32 audmode; 1578 __s32 signal; 1579 __s32 afc; 1580 __u32 reserved[4]; 1581 }; 1582 1583 struct v4l2_modulator { 1584 __u32 index; 1585 __u8 name[32]; 1586 __u32 capability; 1587 __u32 rangelow; 1588 __u32 rangehigh; 1589 __u32 txsubchans; 1590 __u32 reserved[4]; 1591 }; 1592 1593 /* Flags for the 'capability' field */ 1594 #define V4L2_TUNER_CAP_LOW 0x0001 1595 #define V4L2_TUNER_CAP_NORM 0x0002 1596 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1597 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1598 #define V4L2_TUNER_CAP_STEREO 0x0010 1599 #define V4L2_TUNER_CAP_LANG2 0x0020 1600 #define V4L2_TUNER_CAP_SAP 0x0020 1601 #define V4L2_TUNER_CAP_LANG1 0x0040 1602 #define V4L2_TUNER_CAP_RDS 0x0080 1603 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1604 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1605 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1606 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1607 #define V4L2_TUNER_CAP_1HZ 0x1000 1608 1609 /* Flags for the 'rxsubchans' field */ 1610 #define V4L2_TUNER_SUB_MONO 0x0001 1611 #define V4L2_TUNER_SUB_STEREO 0x0002 1612 #define V4L2_TUNER_SUB_LANG2 0x0004 1613 #define V4L2_TUNER_SUB_SAP 0x0004 1614 #define V4L2_TUNER_SUB_LANG1 0x0008 1615 #define V4L2_TUNER_SUB_RDS 0x0010 1616 1617 /* Values for the 'audmode' field */ 1618 #define V4L2_TUNER_MODE_MONO 0x0000 1619 #define V4L2_TUNER_MODE_STEREO 0x0001 1620 #define V4L2_TUNER_MODE_LANG2 0x0002 1621 #define V4L2_TUNER_MODE_SAP 0x0002 1622 #define V4L2_TUNER_MODE_LANG1 0x0003 1623 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1624 1625 struct v4l2_frequency { 1626 __u32 tuner; 1627 __u32 type; /* enum v4l2_tuner_type */ 1628 __u32 frequency; 1629 __u32 reserved[8]; 1630 }; 1631 1632 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1633 #define V4L2_BAND_MODULATION_FM (1 << 2) 1634 #define V4L2_BAND_MODULATION_AM (1 << 3) 1635 1636 struct v4l2_frequency_band { 1637 __u32 tuner; 1638 __u32 type; /* enum v4l2_tuner_type */ 1639 __u32 index; 1640 __u32 capability; 1641 __u32 rangelow; 1642 __u32 rangehigh; 1643 __u32 modulation; 1644 __u32 reserved[9]; 1645 }; 1646 1647 struct v4l2_hw_freq_seek { 1648 __u32 tuner; 1649 __u32 type; /* enum v4l2_tuner_type */ 1650 __u32 seek_upward; 1651 __u32 wrap_around; 1652 __u32 spacing; 1653 __u32 rangelow; 1654 __u32 rangehigh; 1655 __u32 reserved[5]; 1656 }; 1657 1658 /* 1659 * R D S 1660 */ 1661 1662 struct v4l2_rds_data { 1663 __u8 lsb; 1664 __u8 msb; 1665 __u8 block; 1666 } __attribute__ ((packed)); 1667 1668 #define V4L2_RDS_BLOCK_MSK 0x7 1669 #define V4L2_RDS_BLOCK_A 0 1670 #define V4L2_RDS_BLOCK_B 1 1671 #define V4L2_RDS_BLOCK_C 2 1672 #define V4L2_RDS_BLOCK_D 3 1673 #define V4L2_RDS_BLOCK_C_ALT 4 1674 #define V4L2_RDS_BLOCK_INVALID 7 1675 1676 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1677 #define V4L2_RDS_BLOCK_ERROR 0x80 1678 1679 /* 1680 * A U D I O 1681 */ 1682 struct v4l2_audio { 1683 __u32 index; 1684 __u8 name[32]; 1685 __u32 capability; 1686 __u32 mode; 1687 __u32 reserved[2]; 1688 }; 1689 1690 /* Flags for the 'capability' field */ 1691 #define V4L2_AUDCAP_STEREO 0x00001 1692 #define V4L2_AUDCAP_AVL 0x00002 1693 1694 /* Flags for the 'mode' field */ 1695 #define V4L2_AUDMODE_AVL 0x00001 1696 1697 struct v4l2_audioout { 1698 __u32 index; 1699 __u8 name[32]; 1700 __u32 capability; 1701 __u32 mode; 1702 __u32 reserved[2]; 1703 }; 1704 1705 /* 1706 * M P E G S E R V I C E S 1707 * 1708 * NOTE: EXPERIMENTAL API 1709 */ 1710 #if 1 1711 #define V4L2_ENC_IDX_FRAME_I (0) 1712 #define V4L2_ENC_IDX_FRAME_P (1) 1713 #define V4L2_ENC_IDX_FRAME_B (2) 1714 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1715 1716 struct v4l2_enc_idx_entry { 1717 __u64 offset; 1718 __u64 pts; 1719 __u32 length; 1720 __u32 flags; 1721 __u32 reserved[2]; 1722 }; 1723 1724 #define V4L2_ENC_IDX_ENTRIES (64) 1725 struct v4l2_enc_idx { 1726 __u32 entries; 1727 __u32 entries_cap; 1728 __u32 reserved[4]; 1729 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1730 }; 1731 1732 1733 #define V4L2_ENC_CMD_START (0) 1734 #define V4L2_ENC_CMD_STOP (1) 1735 #define V4L2_ENC_CMD_PAUSE (2) 1736 #define V4L2_ENC_CMD_RESUME (3) 1737 1738 /* Flags for V4L2_ENC_CMD_STOP */ 1739 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1740 1741 struct v4l2_encoder_cmd { 1742 __u32 cmd; 1743 __u32 flags; 1744 union { 1745 struct { 1746 __u32 data[8]; 1747 } raw; 1748 }; 1749 }; 1750 1751 /* Decoder commands */ 1752 #define V4L2_DEC_CMD_START (0) 1753 #define V4L2_DEC_CMD_STOP (1) 1754 #define V4L2_DEC_CMD_PAUSE (2) 1755 #define V4L2_DEC_CMD_RESUME (3) 1756 1757 /* Flags for V4L2_DEC_CMD_START */ 1758 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1759 1760 /* Flags for V4L2_DEC_CMD_PAUSE */ 1761 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1762 1763 /* Flags for V4L2_DEC_CMD_STOP */ 1764 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1765 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1766 1767 /* Play format requirements (returned by the driver): */ 1768 1769 /* The decoder has no special format requirements */ 1770 #define V4L2_DEC_START_FMT_NONE (0) 1771 /* The decoder requires full GOPs */ 1772 #define V4L2_DEC_START_FMT_GOP (1) 1773 1774 /* The structure must be zeroed before use by the application 1775 This ensures it can be extended safely in the future. */ 1776 struct v4l2_decoder_cmd { 1777 __u32 cmd; 1778 __u32 flags; 1779 union { 1780 struct { 1781 __u64 pts; 1782 } stop; 1783 1784 struct { 1785 /* 0 or 1000 specifies normal speed, 1786 1 specifies forward single stepping, 1787 -1 specifies backward single stepping, 1788 >1: playback at speed/1000 of the normal speed, 1789 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1790 __s32 speed; 1791 __u32 format; 1792 } start; 1793 1794 struct { 1795 __u32 data[16]; 1796 } raw; 1797 }; 1798 }; 1799 #endif 1800 1801 1802 /* 1803 * D A T A S E R V I C E S ( V B I ) 1804 * 1805 * Data services API by Michael Schimek 1806 */ 1807 1808 /* Raw VBI */ 1809 struct v4l2_vbi_format { 1810 __u32 sampling_rate; /* in 1 Hz */ 1811 __u32 offset; 1812 __u32 samples_per_line; 1813 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1814 __s32 start[2]; 1815 __u32 count[2]; 1816 __u32 flags; /* V4L2_VBI_* */ 1817 __u32 reserved[2]; /* must be zero */ 1818 }; 1819 1820 /* VBI flags */ 1821 #define V4L2_VBI_UNSYNC (1 << 0) 1822 #define V4L2_VBI_INTERLACED (1 << 1) 1823 1824 /* ITU-R start lines for each field */ 1825 #define V4L2_VBI_ITU_525_F1_START (1) 1826 #define V4L2_VBI_ITU_525_F2_START (264) 1827 #define V4L2_VBI_ITU_625_F1_START (1) 1828 #define V4L2_VBI_ITU_625_F2_START (314) 1829 1830 /* Sliced VBI 1831 * 1832 * This implements is a proposal V4L2 API to allow SLICED VBI 1833 * required for some hardware encoders. It should change without 1834 * notice in the definitive implementation. 1835 */ 1836 1837 struct v4l2_sliced_vbi_format { 1838 __u16 service_set; 1839 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1840 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1841 (equals frame lines 313-336 for 625 line video 1842 standards, 263-286 for 525 line standards) */ 1843 __u16 service_lines[2][24]; 1844 __u32 io_size; 1845 __u32 reserved[2]; /* must be zero */ 1846 }; 1847 1848 /* Teletext World System Teletext 1849 (WST), defined on ITU-R BT.653-2 */ 1850 #define V4L2_SLICED_TELETEXT_B (0x0001) 1851 /* Video Program System, defined on ETS 300 231*/ 1852 #define V4L2_SLICED_VPS (0x0400) 1853 /* Closed Caption, defined on EIA-608 */ 1854 #define V4L2_SLICED_CAPTION_525 (0x1000) 1855 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1856 #define V4L2_SLICED_WSS_625 (0x4000) 1857 1858 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1859 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1860 1861 struct v4l2_sliced_vbi_cap { 1862 __u16 service_set; 1863 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1864 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1865 (equals frame lines 313-336 for 625 line video 1866 standards, 263-286 for 525 line standards) */ 1867 __u16 service_lines[2][24]; 1868 __u32 type; /* enum v4l2_buf_type */ 1869 __u32 reserved[3]; /* must be 0 */ 1870 }; 1871 1872 struct v4l2_sliced_vbi_data { 1873 __u32 id; 1874 __u32 field; /* 0: first field, 1: second field */ 1875 __u32 line; /* 1-23 */ 1876 __u32 reserved; /* must be 0 */ 1877 __u8 data[48]; 1878 }; 1879 1880 /* 1881 * Sliced VBI data inserted into MPEG Streams 1882 */ 1883 1884 /* 1885 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1886 * 1887 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1888 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1889 * data 1890 * 1891 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1892 * definitions are not included here. See the MPEG-2 specifications for details 1893 * on these headers. 1894 */ 1895 1896 /* Line type IDs */ 1897 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1898 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1899 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1900 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1901 1902 struct v4l2_mpeg_vbi_itv0_line { 1903 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1904 __u8 data[42]; /* Sliced VBI data for the line */ 1905 } __attribute__ ((packed)); 1906 1907 struct v4l2_mpeg_vbi_itv0 { 1908 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1909 struct v4l2_mpeg_vbi_itv0_line line[35]; 1910 } __attribute__ ((packed)); 1911 1912 struct v4l2_mpeg_vbi_ITV0 { 1913 struct v4l2_mpeg_vbi_itv0_line line[36]; 1914 } __attribute__ ((packed)); 1915 1916 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1917 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1918 1919 struct v4l2_mpeg_vbi_fmt_ivtv { 1920 __u8 magic[4]; 1921 union { 1922 struct v4l2_mpeg_vbi_itv0 itv0; 1923 struct v4l2_mpeg_vbi_ITV0 ITV0; 1924 }; 1925 } __attribute__ ((packed)); 1926 1927 /* 1928 * A G G R E G A T E S T R U C T U R E S 1929 */ 1930 1931 /** 1932 * struct v4l2_plane_pix_format - additional, per-plane format definition 1933 * @sizeimage: maximum size in bytes required for data, for which 1934 * this plane will be used 1935 * @bytesperline: distance in bytes between the leftmost pixels in two 1936 * adjacent lines 1937 */ 1938 struct v4l2_plane_pix_format { 1939 __u32 sizeimage; 1940 __u32 bytesperline; 1941 __u16 reserved[6]; 1942 } __attribute__ ((packed)); 1943 1944 /** 1945 * struct v4l2_pix_format_mplane - multiplanar format definition 1946 * @width: image width in pixels 1947 * @height: image height in pixels 1948 * @pixelformat: little endian four character code (fourcc) 1949 * @field: enum v4l2_field; field order (for interlaced video) 1950 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1951 * @plane_fmt: per-plane information 1952 * @num_planes: number of planes for this format 1953 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1954 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1955 * @quantization: enum v4l2_quantization, colorspace quantization 1956 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 1957 */ 1958 struct v4l2_pix_format_mplane { 1959 __u32 width; 1960 __u32 height; 1961 __u32 pixelformat; 1962 __u32 field; 1963 __u32 colorspace; 1964 1965 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1966 __u8 num_planes; 1967 __u8 flags; 1968 __u8 ycbcr_enc; 1969 __u8 quantization; 1970 __u8 xfer_func; 1971 __u8 reserved[7]; 1972 } __attribute__ ((packed)); 1973 1974 /** 1975 * struct v4l2_sdr_format - SDR format definition 1976 * @pixelformat: little endian four character code (fourcc) 1977 * @buffersize: maximum size in bytes required for data 1978 */ 1979 struct v4l2_sdr_format { 1980 __u32 pixelformat; 1981 __u32 buffersize; 1982 __u8 reserved[24]; 1983 } __attribute__ ((packed)); 1984 1985 /** 1986 * struct v4l2_format - stream data format 1987 * @type: enum v4l2_buf_type; type of the data stream 1988 * @pix: definition of an image format 1989 * @pix_mp: definition of a multiplanar image format 1990 * @win: definition of an overlaid image 1991 * @vbi: raw VBI capture or output parameters 1992 * @sliced: sliced VBI capture or output parameters 1993 * @raw_data: placeholder for future extensions and custom formats 1994 */ 1995 struct v4l2_format { 1996 __u32 type; 1997 union { 1998 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1999 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2000 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2001 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2002 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2003 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2004 __u8 raw_data[200]; /* user-defined */ 2005 } fmt; 2006 }; 2007 2008 /* Stream type-dependent parameters 2009 */ 2010 struct v4l2_streamparm { 2011 __u32 type; /* enum v4l2_buf_type */ 2012 union { 2013 struct v4l2_captureparm capture; 2014 struct v4l2_outputparm output; 2015 __u8 raw_data[200]; /* user-defined */ 2016 } parm; 2017 }; 2018 2019 /* 2020 * E V E N T S 2021 */ 2022 2023 #define V4L2_EVENT_ALL 0 2024 #define V4L2_EVENT_VSYNC 1 2025 #define V4L2_EVENT_EOS 2 2026 #define V4L2_EVENT_CTRL 3 2027 #define V4L2_EVENT_FRAME_SYNC 4 2028 #define V4L2_EVENT_SOURCE_CHANGE 5 2029 #define V4L2_EVENT_MOTION_DET 6 2030 #define V4L2_EVENT_PRIVATE_START 0x08000000 2031 2032 /* Payload for V4L2_EVENT_VSYNC */ 2033 struct v4l2_event_vsync { 2034 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2035 __u8 field; 2036 } __attribute__ ((packed)); 2037 2038 /* Payload for V4L2_EVENT_CTRL */ 2039 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2040 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2041 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2042 2043 struct v4l2_event_ctrl { 2044 __u32 changes; 2045 __u32 type; 2046 union { 2047 __s32 value; 2048 __s64 value64; 2049 }; 2050 __u32 flags; 2051 __s32 minimum; 2052 __s32 maximum; 2053 __s32 step; 2054 __s32 default_value; 2055 }; 2056 2057 struct v4l2_event_frame_sync { 2058 __u32 frame_sequence; 2059 }; 2060 2061 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2062 2063 struct v4l2_event_src_change { 2064 __u32 changes; 2065 }; 2066 2067 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2068 2069 /** 2070 * struct v4l2_event_motion_det - motion detection event 2071 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2072 * frame_sequence field is valid. 2073 * @frame_sequence: the frame sequence number associated with this event. 2074 * @region_mask: which regions detected motion. 2075 */ 2076 struct v4l2_event_motion_det { 2077 __u32 flags; 2078 __u32 frame_sequence; 2079 __u32 region_mask; 2080 }; 2081 2082 struct v4l2_event { 2083 __u32 type; 2084 union { 2085 struct v4l2_event_vsync vsync; 2086 struct v4l2_event_ctrl ctrl; 2087 struct v4l2_event_frame_sync frame_sync; 2088 struct v4l2_event_src_change src_change; 2089 struct v4l2_event_motion_det motion_det; 2090 __u8 data[64]; 2091 } u; 2092 __u32 pending; 2093 __u32 sequence; 2094 struct timespec timestamp; 2095 __u32 id; 2096 __u32 reserved[8]; 2097 }; 2098 2099 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2100 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2101 2102 struct v4l2_event_subscription { 2103 __u32 type; 2104 __u32 id; 2105 __u32 flags; 2106 __u32 reserved[5]; 2107 }; 2108 2109 /* 2110 * A D V A N C E D D E B U G G I N G 2111 * 2112 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2113 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2114 */ 2115 2116 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2117 2118 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2119 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2120 2121 /* The following four defines are no longer in use */ 2122 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2123 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2124 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2125 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2126 2127 struct v4l2_dbg_match { 2128 __u32 type; /* Match type */ 2129 union { /* Match this chip, meaning determined by type */ 2130 __u32 addr; 2131 char name[32]; 2132 }; 2133 } __attribute__ ((packed)); 2134 2135 struct v4l2_dbg_register { 2136 struct v4l2_dbg_match match; 2137 __u32 size; /* register size in bytes */ 2138 __u64 reg; 2139 __u64 val; 2140 } __attribute__ ((packed)); 2141 2142 #define V4L2_CHIP_FL_READABLE (1 << 0) 2143 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2144 2145 /* VIDIOC_DBG_G_CHIP_INFO */ 2146 struct v4l2_dbg_chip_info { 2147 struct v4l2_dbg_match match; 2148 char name[32]; 2149 __u32 flags; 2150 __u32 reserved[32]; 2151 } __attribute__ ((packed)); 2152 2153 /** 2154 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2155 * @index: on return, index of the first created buffer 2156 * @count: entry: number of requested buffers, 2157 * return: number of created buffers 2158 * @memory: enum v4l2_memory; buffer memory type 2159 * @format: frame format, for which buffers are requested 2160 * @reserved: future extensions 2161 */ 2162 struct v4l2_create_buffers { 2163 __u32 index; 2164 __u32 count; 2165 __u32 memory; 2166 struct v4l2_format format; 2167 __u32 reserved[8]; 2168 }; 2169 2170 /* 2171 * 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 2172 * 2173 */ 2174 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2175 #define VIDIOC_RESERVED _IO('V', 1) 2176 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2177 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2178 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2179 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2180 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2181 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2182 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2183 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2184 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2185 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2186 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2187 #define VIDIOC_STREAMON _IOW('V', 18, int) 2188 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2189 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2190 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2191 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2192 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2193 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2194 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2195 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2196 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2197 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2198 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2199 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2200 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2201 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2202 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2203 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2204 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2205 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2206 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2207 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2208 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2209 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2210 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2211 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2212 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2213 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2214 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2215 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2216 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2217 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2218 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2219 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2220 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2221 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2222 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2223 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2224 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2225 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2226 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2227 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2228 #define VIDIOC_LOG_STATUS _IO('V', 70) 2229 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2230 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2231 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2232 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2233 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2234 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2235 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2236 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2237 2238 /* Experimental, meant for debugging, testing and internal use. 2239 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2240 You must be root to use these ioctls. Never use these in applications! */ 2241 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2242 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2243 2244 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2245 2246 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2247 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2248 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2249 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2250 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2251 2252 /* Experimental, the below two ioctls may change over the next couple of kernel 2253 versions */ 2254 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2255 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2256 2257 /* Experimental selection API */ 2258 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2259 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2260 2261 /* Experimental, these two ioctls may change over the next couple of kernel 2262 versions. */ 2263 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2264 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2265 2266 /* Experimental, these three ioctls may change over the next couple of kernel 2267 versions. */ 2268 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2269 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2270 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2271 2272 /* Experimental, this ioctl may change over the next couple of kernel 2273 versions. */ 2274 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2275 2276 /* Experimental, meant for debugging, testing and internal use. 2277 Never use these in applications! */ 2278 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2279 2280 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2281 2282 /* Reminder: when adding new ioctls please add support for them to 2283 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2284 2285 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2286 2287 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2288