The C and C++ Include Header Files
/usr/include/linux/videodev2.h
$ cat -n /usr/include/linux/videodev2.h 1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks
53 * Justin Schoeman 54 * Hans Verkuil
55 * et al. 56 */ 57 #ifndef __LINUX_VIDEODEV2_H 58 #define __LINUX_VIDEODEV2_H 59 60 #include
61 62 #include
63 #include
64 #include
65 #include
66 67 /* 68 * Common stuff for both V4L1 and V4L2 69 * Moved from videodev.h 70 */ 71 #define VIDEO_MAX_FRAME 32 72 #define VIDEO_MAX_PLANES 8 73 74 /* 75 * M I S C E L L A N E O U S 76 */ 77 78 /* Four-character-code (FOURCC) */ 79 #define v4l2_fourcc(a, b, c, d)\ 80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 81 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 82 83 /* 84 * E N U M S 85 */ 86 enum v4l2_field { 87 V4L2_FIELD_ANY = 0, /* driver can choose from none, 88 top, bottom, interlaced 89 depending on whatever it thinks 90 is approximate ... */ 91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 92 V4L2_FIELD_TOP = 2, /* top field only */ 93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 96 buffer, top-bottom order */ 97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 99 separate buffers */ 100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 101 first and the top field is 102 transmitted first */ 103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 104 first and the bottom field is 105 transmitted first */ 106 }; 107 #define V4L2_FIELD_HAS_TOP(field) \ 108 ((field) == V4L2_FIELD_TOP ||\ 109 (field) == V4L2_FIELD_INTERLACED ||\ 110 (field) == V4L2_FIELD_INTERLACED_TB ||\ 111 (field) == V4L2_FIELD_INTERLACED_BT ||\ 112 (field) == V4L2_FIELD_SEQ_TB ||\ 113 (field) == V4L2_FIELD_SEQ_BT) 114 #define V4L2_FIELD_HAS_BOTTOM(field) \ 115 ((field) == V4L2_FIELD_BOTTOM ||\ 116 (field) == V4L2_FIELD_INTERLACED ||\ 117 (field) == V4L2_FIELD_INTERLACED_TB ||\ 118 (field) == V4L2_FIELD_INTERLACED_BT ||\ 119 (field) == V4L2_FIELD_SEQ_TB ||\ 120 (field) == V4L2_FIELD_SEQ_BT) 121 #define V4L2_FIELD_HAS_BOTH(field) \ 122 ((field) == V4L2_FIELD_INTERLACED ||\ 123 (field) == V4L2_FIELD_INTERLACED_TB ||\ 124 (field) == V4L2_FIELD_INTERLACED_BT ||\ 125 (field) == V4L2_FIELD_SEQ_TB ||\ 126 (field) == V4L2_FIELD_SEQ_BT) 127 #define V4L2_FIELD_HAS_T_OR_B(field) \ 128 ((field) == V4L2_FIELD_BOTTOM ||\ 129 (field) == V4L2_FIELD_TOP ||\ 130 (field) == V4L2_FIELD_ALTERNATE) 131 #define V4L2_FIELD_IS_INTERLACED(field) \ 132 ((field) == V4L2_FIELD_INTERLACED ||\ 133 (field) == V4L2_FIELD_INTERLACED_TB ||\ 134 (field) == V4L2_FIELD_INTERLACED_BT) 135 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 136 ((field) == V4L2_FIELD_SEQ_TB ||\ 137 (field) == V4L2_FIELD_SEQ_BT) 138 139 enum v4l2_buf_type { 140 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 142 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 143 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 144 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 145 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 146 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 147 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 148 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 150 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 151 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 152 V4L2_BUF_TYPE_META_CAPTURE = 13, 153 V4L2_BUF_TYPE_META_OUTPUT = 14, 154 /* Deprecated, do not use */ 155 V4L2_BUF_TYPE_PRIVATE = 0x80, 156 }; 157 158 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 159 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 161 162 #define V4L2_TYPE_IS_OUTPUT(type) \ 163 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 164 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 165 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 167 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 168 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 169 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 171 172 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 173 174 enum v4l2_tuner_type { 175 V4L2_TUNER_RADIO = 1, 176 V4L2_TUNER_ANALOG_TV = 2, 177 V4L2_TUNER_DIGITAL_TV = 3, 178 V4L2_TUNER_SDR = 4, 179 V4L2_TUNER_RF = 5, 180 }; 181 182 /* Deprecated, do not use */ 183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* 195 * Default colorspace, i.e. let the driver figure it out. 196 * Can only be used with video capture. 197 */ 198 V4L2_COLORSPACE_DEFAULT = 0, 199 200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 201 V4L2_COLORSPACE_SMPTE170M = 1, 202 203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 204 V4L2_COLORSPACE_SMPTE240M = 2, 205 206 /* Rec.709: used for HDTV */ 207 V4L2_COLORSPACE_REC709 = 3, 208 209 /* 210 * Deprecated, do not use. No driver will ever return this. This was 211 * based on a misunderstanding of the bt878 datasheet. 212 */ 213 V4L2_COLORSPACE_BT878 = 4, 214 215 /* 216 * NTSC 1953 colorspace. This only makes sense when dealing with 217 * really, really old NTSC recordings. Superseded by SMPTE 170M. 218 */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 221 /* 222 * EBU Tech 3213 PAL/SECAM colorspace. 223 */ 224 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 225 226 /* 227 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 228 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 229 */ 230 V4L2_COLORSPACE_JPEG = 7, 231 232 /* For RGB colorspaces such as produces by most webcams. */ 233 V4L2_COLORSPACE_SRGB = 8, 234 235 /* opRGB colorspace */ 236 V4L2_COLORSPACE_OPRGB = 9, 237 238 /* BT.2020 colorspace, used for UHDTV. */ 239 V4L2_COLORSPACE_BT2020 = 10, 240 241 /* Raw colorspace: for RAW unprocessed images */ 242 V4L2_COLORSPACE_RAW = 11, 243 244 /* DCI-P3 colorspace, used by cinema projectors */ 245 V4L2_COLORSPACE_DCI_P3 = 12, 246 }; 247 248 /* 249 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 250 * This depends on whether this is a SDTV image (use SMPTE 170M), an 251 * HDTV image (use Rec. 709), or something else (use sRGB). 252 */ 253 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 254 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 255 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 256 257 enum v4l2_xfer_func { 258 /* 259 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 260 * for the various colorspaces: 261 * 262 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 263 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 264 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 265 * 266 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 267 * 268 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 269 * 270 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 271 * 272 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 273 * 274 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 275 */ 276 V4L2_XFER_FUNC_DEFAULT = 0, 277 V4L2_XFER_FUNC_709 = 1, 278 V4L2_XFER_FUNC_SRGB = 2, 279 V4L2_XFER_FUNC_OPRGB = 3, 280 V4L2_XFER_FUNC_SMPTE240M = 4, 281 V4L2_XFER_FUNC_NONE = 5, 282 V4L2_XFER_FUNC_DCI_P3 = 6, 283 V4L2_XFER_FUNC_SMPTE2084 = 7, 284 }; 285 286 /* 287 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 288 * This depends on the colorspace. 289 */ 290 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 291 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 292 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 293 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 294 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 295 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 296 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 297 298 enum v4l2_ycbcr_encoding { 299 /* 300 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 301 * various colorspaces: 302 * 303 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 304 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 305 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 306 * 307 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 308 * 309 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 310 * 311 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 312 */ 313 V4L2_YCBCR_ENC_DEFAULT = 0, 314 315 /* ITU-R 601 -- SDTV */ 316 V4L2_YCBCR_ENC_601 = 1, 317 318 /* Rec. 709 -- HDTV */ 319 V4L2_YCBCR_ENC_709 = 2, 320 321 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 322 V4L2_YCBCR_ENC_XV601 = 3, 323 324 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 325 V4L2_YCBCR_ENC_XV709 = 4, 326 327 /* 328 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 329 * originally due to a misunderstanding of the sYCC standard. It should 330 * not be used, instead use V4L2_YCBCR_ENC_601. 331 */ 332 V4L2_YCBCR_ENC_SYCC = 5, 333 334 /* BT.2020 Non-constant Luminance Y'CbCr */ 335 V4L2_YCBCR_ENC_BT2020 = 6, 336 337 /* BT.2020 Constant Luminance Y'CbcCrc */ 338 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 339 340 /* SMPTE 240M -- Obsolete HDTV */ 341 V4L2_YCBCR_ENC_SMPTE240M = 8, 342 }; 343 344 /* 345 * enum v4l2_hsv_encoding values should not collide with the ones from 346 * enum v4l2_ycbcr_encoding. 347 */ 348 enum v4l2_hsv_encoding { 349 350 /* Hue mapped to 0 - 179 */ 351 V4L2_HSV_ENC_180 = 128, 352 353 /* Hue mapped to 0-255 */ 354 V4L2_HSV_ENC_256 = 129, 355 }; 356 357 /* 358 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 359 * This depends on the colorspace. 360 */ 361 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 362 (((colsp) == V4L2_COLORSPACE_REC709 || \ 363 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 364 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 365 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 366 V4L2_YCBCR_ENC_601))) 367 368 enum v4l2_quantization { 369 /* 370 * The default for R'G'B' quantization is always full range. 371 * For Y'CbCr the quantization is always limited range, except 372 * for COLORSPACE_JPEG: this is full range. 373 */ 374 V4L2_QUANTIZATION_DEFAULT = 0, 375 V4L2_QUANTIZATION_FULL_RANGE = 1, 376 V4L2_QUANTIZATION_LIM_RANGE = 2, 377 }; 378 379 /* 380 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 381 * This depends on whether the image is RGB or not, the colorspace. 382 * The Y'CbCr encoding is not used anymore, but is still there for backwards 383 * compatibility. 384 */ 385 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 386 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 387 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 388 389 /* 390 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 391 * 392 * WARNING: Please don't use these deprecated defines in your code, as 393 * there is a chance we have to remove them in the future. 394 */ 395 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 396 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 397 398 enum v4l2_priority { 399 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 400 V4L2_PRIORITY_BACKGROUND = 1, 401 V4L2_PRIORITY_INTERACTIVE = 2, 402 V4L2_PRIORITY_RECORD = 3, 403 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 404 }; 405 406 struct v4l2_rect { 407 __s32 left; 408 __s32 top; 409 __u32 width; 410 __u32 height; 411 }; 412 413 struct v4l2_fract { 414 __u32 numerator; 415 __u32 denominator; 416 }; 417 418 struct v4l2_area { 419 __u32 width; 420 __u32 height; 421 }; 422 423 /** 424 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 425 * 426 * @driver: name of the driver module (e.g. "bttv") 427 * @card: name of the card (e.g. "Hauppauge WinTV") 428 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 429 * @version: KERNEL_VERSION 430 * @capabilities: capabilities of the physical device as a whole 431 * @device_caps: capabilities accessed via this particular device (node) 432 * @reserved: reserved fields for future extensions 433 */ 434 struct v4l2_capability { 435 __u8 driver[16]; 436 __u8 card[32]; 437 __u8 bus_info[32]; 438 __u32 version; 439 __u32 capabilities; 440 __u32 device_caps; 441 __u32 reserved[3]; 442 }; 443 444 /* Values for 'capabilities' field */ 445 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 446 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 447 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 448 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 449 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 450 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 451 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 452 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 453 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 454 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 455 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 456 457 /* Is a video capture device that supports multiplanar formats */ 458 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 459 /* Is a video output device that supports multiplanar formats */ 460 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 461 /* Is a video mem-to-mem device that supports multiplanar formats */ 462 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 463 /* Is a video mem-to-mem device */ 464 #define V4L2_CAP_VIDEO_M2M 0x00008000 465 466 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 467 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 468 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 469 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 470 471 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 472 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 473 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 474 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 475 476 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 477 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 478 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 479 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 480 481 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 482 483 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 484 485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 486 487 /* 488 * V I D E O I M A G E F O R M A T 489 */ 490 struct v4l2_pix_format { 491 __u32 width; 492 __u32 height; 493 __u32 pixelformat; 494 __u32 field; /* enum v4l2_field */ 495 __u32 bytesperline; /* for padding, zero if unused */ 496 __u32 sizeimage; 497 __u32 colorspace; /* enum v4l2_colorspace */ 498 __u32 priv; /* private data, depends on pixelformat */ 499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 500 union { 501 /* enum v4l2_ycbcr_encoding */ 502 __u32 ycbcr_enc; 503 /* enum v4l2_hsv_encoding */ 504 __u32 hsv_enc; 505 }; 506 __u32 quantization; /* enum v4l2_quantization */ 507 __u32 xfer_func; /* enum v4l2_xfer_func */ 508 }; 509 510 /* Pixel format FOURCC depth Description */ 511 512 /* RGB formats (1 or 2 bytes per pixel) */ 513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 517 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 518 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 519 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 520 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 521 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 522 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 523 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 524 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 525 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 526 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 527 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 528 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 529 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 530 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 531 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 532 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 533 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 534 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 535 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 536 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 537 538 /* RGB formats (3 or 4 bytes per pixel) */ 539 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 540 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 541 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 542 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 543 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 544 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 545 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 546 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 547 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 548 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 549 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 550 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 551 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 552 553 /* Grey formats */ 554 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 555 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 556 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 557 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 558 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 559 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 560 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 561 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 562 563 /* Grey bit-packed formats */ 564 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 565 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 566 567 /* Palette formats */ 568 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 569 570 /* Chrominance formats */ 571 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 572 573 /* Luminance+Chrominance formats */ 574 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 575 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 576 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 577 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 578 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 579 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 580 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 581 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 582 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 583 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 584 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 585 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 586 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 587 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 588 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 589 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 590 591 /* two planes -- one Y, one Cr + Cb interleaved */ 592 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 593 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 594 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 595 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 596 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 597 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 598 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 599 600 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 601 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 602 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 603 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 604 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 605 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 606 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 607 608 /* three planes - Y Cb, Cr */ 609 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 610 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 611 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 612 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 613 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 614 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 615 616 /* three non contiguous planes - Y, Cb, Cr */ 617 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 618 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 619 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 620 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 621 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 622 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 623 624 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 625 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 626 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 627 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 628 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 629 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 630 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 631 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 632 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 633 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 634 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 635 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 636 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 637 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 638 /* 10bit raw bayer a-law compressed to 8 bits */ 639 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 640 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 641 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 642 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 643 /* 10bit raw bayer DPCM compressed to 8 bits */ 644 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 645 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 646 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 647 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 648 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 649 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 650 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 651 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 652 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 653 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 654 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 655 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 656 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 657 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 658 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 659 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 660 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 661 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 662 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 663 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 664 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 665 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 666 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 667 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 668 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 669 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 670 671 /* HSV formats */ 672 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 673 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 674 675 /* compressed formats */ 676 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 677 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 678 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 679 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 680 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 681 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 682 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 683 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 684 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 685 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 686 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 687 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 688 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 689 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 690 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 691 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 692 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 693 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 694 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 695 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 696 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 697 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 698 699 /* Vendor-specific formats */ 700 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 701 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 702 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 703 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 704 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 705 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 706 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 707 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 708 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 709 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 710 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 711 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 712 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 713 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 714 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 715 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 716 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 717 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 718 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 719 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 720 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 721 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 722 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 723 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 724 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 725 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 726 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 727 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 728 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 729 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 730 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 731 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 732 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 733 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 734 735 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 736 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 737 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 738 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 739 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 740 741 /* SDR formats - used only for Software Defined Radio devices */ 742 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 743 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 744 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 745 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 746 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 747 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 748 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 749 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 750 751 /* Touch formats - used for Touch devices */ 752 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 753 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 754 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 755 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 756 757 /* Meta-data formats */ 758 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 759 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 760 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 761 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 762 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 763 764 /* Vendor specific - used for RK_ISP1 camera sub-system */ 765 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 766 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 767 768 /* priv field value to indicates that subsequent fields are valid. */ 769 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 770 771 /* Flags */ 772 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 773 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 774 775 /* 776 * F O R M A T E N U M E R A T I O N 777 */ 778 struct v4l2_fmtdesc { 779 __u32 index; /* Format number */ 780 __u32 type; /* enum v4l2_buf_type */ 781 __u32 flags; 782 __u8 description[32]; /* Description string */ 783 __u32 pixelformat; /* Format fourcc */ 784 __u32 mbus_code; /* Media bus code */ 785 __u32 reserved[3]; 786 }; 787 788 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 789 #define V4L2_FMT_FLAG_EMULATED 0x0002 790 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 791 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 792 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 793 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 794 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 795 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 796 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 797 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 798 799 /* Frame Size and frame rate enumeration */ 800 /* 801 * F R A M E S I Z E E N U M E R A T I O N 802 */ 803 enum v4l2_frmsizetypes { 804 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 805 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 806 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 807 }; 808 809 struct v4l2_frmsize_discrete { 810 __u32 width; /* Frame width [pixel] */ 811 __u32 height; /* Frame height [pixel] */ 812 }; 813 814 struct v4l2_frmsize_stepwise { 815 __u32 min_width; /* Minimum frame width [pixel] */ 816 __u32 max_width; /* Maximum frame width [pixel] */ 817 __u32 step_width; /* Frame width step size [pixel] */ 818 __u32 min_height; /* Minimum frame height [pixel] */ 819 __u32 max_height; /* Maximum frame height [pixel] */ 820 __u32 step_height; /* Frame height step size [pixel] */ 821 }; 822 823 struct v4l2_frmsizeenum { 824 __u32 index; /* Frame size number */ 825 __u32 pixel_format; /* Pixel format */ 826 __u32 type; /* Frame size type the device supports. */ 827 828 union { /* Frame size */ 829 struct v4l2_frmsize_discrete discrete; 830 struct v4l2_frmsize_stepwise stepwise; 831 }; 832 833 __u32 reserved[2]; /* Reserved space for future use */ 834 }; 835 836 /* 837 * F R A M E R A T E E N U M E R A T I O N 838 */ 839 enum v4l2_frmivaltypes { 840 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 841 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 842 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 843 }; 844 845 struct v4l2_frmival_stepwise { 846 struct v4l2_fract min; /* Minimum frame interval [s] */ 847 struct v4l2_fract max; /* Maximum frame interval [s] */ 848 struct v4l2_fract step; /* Frame interval step size [s] */ 849 }; 850 851 struct v4l2_frmivalenum { 852 __u32 index; /* Frame format index */ 853 __u32 pixel_format; /* Pixel format */ 854 __u32 width; /* Frame width */ 855 __u32 height; /* Frame height */ 856 __u32 type; /* Frame interval type the device supports. */ 857 858 union { /* Frame interval */ 859 struct v4l2_fract discrete; 860 struct v4l2_frmival_stepwise stepwise; 861 }; 862 863 __u32 reserved[2]; /* Reserved space for future use */ 864 }; 865 866 /* 867 * T I M E C O D E 868 */ 869 struct v4l2_timecode { 870 __u32 type; 871 __u32 flags; 872 __u8 frames; 873 __u8 seconds; 874 __u8 minutes; 875 __u8 hours; 876 __u8 userbits[4]; 877 }; 878 879 /* Type */ 880 #define V4L2_TC_TYPE_24FPS 1 881 #define V4L2_TC_TYPE_25FPS 2 882 #define V4L2_TC_TYPE_30FPS 3 883 #define V4L2_TC_TYPE_50FPS 4 884 #define V4L2_TC_TYPE_60FPS 5 885 886 /* Flags */ 887 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 888 #define V4L2_TC_FLAG_COLORFRAME 0x0002 889 #define V4L2_TC_USERBITS_field 0x000C 890 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 891 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 892 /* The above is based on SMPTE timecodes */ 893 894 struct v4l2_jpegcompression { 895 int quality; 896 897 int APPn; /* Number of APP segment to be written, 898 * must be 0..15 */ 899 int APP_len; /* Length of data in JPEG APPn segment */ 900 char APP_data[60]; /* Data in the JPEG APPn segment. */ 901 902 int COM_len; /* Length of data in JPEG COM segment */ 903 char COM_data[60]; /* Data in JPEG COM segment */ 904 905 __u32 jpeg_markers; /* Which markers should go into the JPEG 906 * output. Unless you exactly know what 907 * you do, leave them untouched. 908 * Including less markers will make the 909 * resulting code smaller, but there will 910 * be fewer applications which can read it. 911 * The presence of the APP and COM marker 912 * is influenced by APP_len and COM_len 913 * ONLY, not by this property! */ 914 915 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 916 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 917 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 918 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 919 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 920 * always use APP0 */ 921 }; 922 923 /* 924 * M E M O R Y - M A P P I N G B U F F E R S 925 */ 926 927 928 struct v4l2_requestbuffers { 929 __u32 count; 930 __u32 type; /* enum v4l2_buf_type */ 931 __u32 memory; /* enum v4l2_memory */ 932 __u32 capabilities; 933 __u32 reserved[1]; 934 }; 935 936 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 937 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 938 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 939 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 940 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 941 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 942 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 943 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 944 945 /** 946 * struct v4l2_plane - plane info for multi-planar buffers 947 * @bytesused: number of bytes occupied by data in the plane (payload) 948 * @length: size of this plane (NOT the payload) in bytes 949 * @mem_offset: when memory in the associated struct v4l2_buffer is 950 * V4L2_MEMORY_MMAP, equals the offset from the start of 951 * the device memory for this plane (or is a "cookie" that 952 * should be passed to mmap() called on the video node) 953 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 954 * pointing to this plane 955 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 956 * descriptor associated with this plane 957 * @m: union of @mem_offset, @userptr and @fd 958 * @data_offset: offset in the plane to the start of data; usually 0, 959 * unless there is a header in front of the data 960 * @reserved: drivers and applications must zero this array 961 * 962 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 963 * with two planes can have one plane for Y, and another for interleaved CbCr 964 * components. Each plane can reside in a separate memory buffer, or even in 965 * a completely separate memory node (e.g. in embedded devices). 966 */ 967 struct v4l2_plane { 968 __u32 bytesused; 969 __u32 length; 970 union { 971 __u32 mem_offset; 972 unsigned long userptr; 973 __s32 fd; 974 } m; 975 __u32 data_offset; 976 __u32 reserved[11]; 977 }; 978 979 /** 980 * struct v4l2_buffer - video buffer info 981 * @index: id number of the buffer 982 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 983 * multiplanar buffers); 984 * @bytesused: number of bytes occupied by data in the buffer (payload); 985 * unused (set to 0) for multiplanar buffers 986 * @flags: buffer informational flags 987 * @field: enum v4l2_field; field order of the image in the buffer 988 * @timestamp: frame timestamp 989 * @timecode: frame timecode 990 * @sequence: sequence count of this frame 991 * @memory: enum v4l2_memory; the method, in which the actual video data is 992 * passed 993 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 994 * offset from the start of the device memory for this plane, 995 * (or a "cookie" that should be passed to mmap() as offset) 996 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 997 * a userspace pointer pointing to this buffer 998 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 999 * a userspace file descriptor associated with this buffer 1000 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1001 * info structs for this buffer 1002 * @m: union of @offset, @userptr, @planes and @fd 1003 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1004 * buffers (when type != *_MPLANE); number of elements in the 1005 * planes array for multi-plane buffers 1006 * @reserved2: drivers and applications must zero this field 1007 * @request_fd: fd of the request that this buffer should use 1008 * @reserved: for backwards compatibility with applications that do not know 1009 * about @request_fd 1010 * 1011 * Contains data exchanged by application and driver using one of the Streaming 1012 * I/O methods. 1013 */ 1014 struct v4l2_buffer { 1015 __u32 index; 1016 __u32 type; 1017 __u32 bytesused; 1018 __u32 flags; 1019 __u32 field; 1020 struct timeval timestamp; 1021 struct v4l2_timecode timecode; 1022 __u32 sequence; 1023 1024 /* memory location */ 1025 __u32 memory; 1026 union { 1027 __u32 offset; 1028 unsigned long userptr; 1029 struct v4l2_plane *planes; 1030 __s32 fd; 1031 } m; 1032 __u32 length; 1033 __u32 reserved2; 1034 union { 1035 __s32 request_fd; 1036 __u32 reserved; 1037 }; 1038 }; 1039 1040 /** 1041 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1042 * @tv: pointer to the timeval variable to be converted 1043 * 1044 * Returns the scalar nanosecond representation of the timeval 1045 * parameter. 1046 */ 1047 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1048 { 1049 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1050 } 1051 1052 /* Flags for 'flags' field */ 1053 /* Buffer is mapped (flag) */ 1054 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1055 /* Buffer is queued for processing */ 1056 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1057 /* Buffer is ready */ 1058 #define V4L2_BUF_FLAG_DONE 0x00000004 1059 /* Image is a keyframe (I-frame) */ 1060 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1061 /* Image is a P-frame */ 1062 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1063 /* Image is a B-frame */ 1064 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1065 /* Buffer is ready, but the data contained within is corrupted. */ 1066 #define V4L2_BUF_FLAG_ERROR 0x00000040 1067 /* Buffer is added to an unqueued request */ 1068 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1069 /* timecode field is valid */ 1070 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1071 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1072 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1073 /* Buffer is prepared for queuing */ 1074 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1075 /* Cache handling flags */ 1076 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1077 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1078 /* Timestamp type */ 1079 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1080 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1081 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1082 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1083 /* Timestamp sources. */ 1084 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1085 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1086 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1087 /* mem2mem encoder/decoder */ 1088 #define V4L2_BUF_FLAG_LAST 0x00100000 1089 /* request_fd is valid */ 1090 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1091 1092 /** 1093 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1094 * 1095 * @index: id number of the buffer 1096 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1097 * multiplanar buffers); 1098 * @plane: index of the plane to be exported, 0 for single plane queues 1099 * @flags: flags for newly created file, currently only O_CLOEXEC is 1100 * supported, refer to manual of open syscall for more details 1101 * @fd: file descriptor associated with DMABUF (set by driver) 1102 * @reserved: drivers and applications must zero this array 1103 * 1104 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1105 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1106 * (identical to the cookie used to mmap() the buffer to userspace). All 1107 * reserved fields must be set to zero. The field reserved0 is expected to 1108 * become a structure 'type' allowing an alternative layout of the structure 1109 * content. Therefore this field should not be used for any other extensions. 1110 */ 1111 struct v4l2_exportbuffer { 1112 __u32 type; /* enum v4l2_buf_type */ 1113 __u32 index; 1114 __u32 plane; 1115 __u32 flags; 1116 __s32 fd; 1117 __u32 reserved[11]; 1118 }; 1119 1120 /* 1121 * O V E R L A Y P R E V I E W 1122 */ 1123 struct v4l2_framebuffer { 1124 __u32 capability; 1125 __u32 flags; 1126 /* FIXME: in theory we should pass something like PCI device + memory 1127 * region + offset instead of some physical address */ 1128 void *base; 1129 struct { 1130 __u32 width; 1131 __u32 height; 1132 __u32 pixelformat; 1133 __u32 field; /* enum v4l2_field */ 1134 __u32 bytesperline; /* for padding, zero if unused */ 1135 __u32 sizeimage; 1136 __u32 colorspace; /* enum v4l2_colorspace */ 1137 __u32 priv; /* reserved field, set to 0 */ 1138 } fmt; 1139 }; 1140 /* Flags for the 'capability' field. Read only */ 1141 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1142 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1143 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1144 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1145 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1146 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1147 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1148 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1149 /* Flags for the 'flags' field. */ 1150 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1151 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1152 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1153 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1154 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1155 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1156 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1157 1158 struct v4l2_clip { 1159 struct v4l2_rect c; 1160 struct v4l2_clip *next; 1161 }; 1162 1163 struct v4l2_window { 1164 struct v4l2_rect w; 1165 __u32 field; /* enum v4l2_field */ 1166 __u32 chromakey; 1167 struct v4l2_clip *clips; 1168 __u32 clipcount; 1169 void *bitmap; 1170 __u8 global_alpha; 1171 }; 1172 1173 /* 1174 * C A P T U R E P A R A M E T E R S 1175 */ 1176 struct v4l2_captureparm { 1177 __u32 capability; /* Supported modes */ 1178 __u32 capturemode; /* Current mode */ 1179 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1180 __u32 extendedmode; /* Driver-specific extensions */ 1181 __u32 readbuffers; /* # of buffers for read */ 1182 __u32 reserved[4]; 1183 }; 1184 1185 /* Flags for 'capability' and 'capturemode' fields */ 1186 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1187 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1188 1189 struct v4l2_outputparm { 1190 __u32 capability; /* Supported modes */ 1191 __u32 outputmode; /* Current mode */ 1192 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1193 __u32 extendedmode; /* Driver-specific extensions */ 1194 __u32 writebuffers; /* # of buffers for write */ 1195 __u32 reserved[4]; 1196 }; 1197 1198 /* 1199 * I N P U T I M A G E C R O P P I N G 1200 */ 1201 struct v4l2_cropcap { 1202 __u32 type; /* enum v4l2_buf_type */ 1203 struct v4l2_rect bounds; 1204 struct v4l2_rect defrect; 1205 struct v4l2_fract pixelaspect; 1206 }; 1207 1208 struct v4l2_crop { 1209 __u32 type; /* enum v4l2_buf_type */ 1210 struct v4l2_rect c; 1211 }; 1212 1213 /** 1214 * struct v4l2_selection - selection info 1215 * @type: buffer type (do not use *_MPLANE types) 1216 * @target: Selection target, used to choose one of possible rectangles; 1217 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1218 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1219 * @r: coordinates of selection window 1220 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1221 * 1222 * Hardware may use multiple helper windows to process a video stream. 1223 * The structure is used to exchange this selection areas between 1224 * an application and a driver. 1225 */ 1226 struct v4l2_selection { 1227 __u32 type; 1228 __u32 target; 1229 __u32 flags; 1230 struct v4l2_rect r; 1231 __u32 reserved[9]; 1232 }; 1233 1234 1235 /* 1236 * A N A L O G V I D E O S T A N D A R D 1237 */ 1238 1239 typedef __u64 v4l2_std_id; 1240 1241 /* 1242 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1243 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1244 */ 1245 /* one bit for each */ 1246 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1247 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1248 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1249 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1250 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1251 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1252 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1253 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1254 1255 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1256 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1257 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1258 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1259 1260 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1261 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1262 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1263 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1264 1265 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1266 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1267 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1268 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1269 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1270 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1271 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1272 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1273 1274 /* ATSC/HDTV */ 1275 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1276 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1277 1278 /* FIXME: 1279 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1280 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1281 this value to 32 bits. 1282 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1283 it should work fine. However, if needed to add more than two standards, 1284 v4l2-common.c should be fixed. 1285 */ 1286 1287 /* 1288 * Some macros to merge video standards in order to make live easier for the 1289 * drivers and V4L2 applications 1290 */ 1291 1292 /* 1293 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1294 * Missing here. 1295 */ 1296 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1297 V4L2_STD_NTSC_M_JP |\ 1298 V4L2_STD_NTSC_M_KR) 1299 /* Secam macros */ 1300 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1301 V4L2_STD_SECAM_K |\ 1302 V4L2_STD_SECAM_K1) 1303 /* All Secam Standards */ 1304 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1305 V4L2_STD_SECAM_G |\ 1306 V4L2_STD_SECAM_H |\ 1307 V4L2_STD_SECAM_DK |\ 1308 V4L2_STD_SECAM_L |\ 1309 V4L2_STD_SECAM_LC) 1310 /* PAL macros */ 1311 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1312 V4L2_STD_PAL_B1 |\ 1313 V4L2_STD_PAL_G) 1314 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1315 V4L2_STD_PAL_D1 |\ 1316 V4L2_STD_PAL_K) 1317 /* 1318 * "Common" PAL - This macro is there to be compatible with the old 1319 * V4L1 concept of "PAL": /BGDKHI. 1320 * Several PAL standards are missing here: /M, /N and /Nc 1321 */ 1322 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1323 V4L2_STD_PAL_DK |\ 1324 V4L2_STD_PAL_H |\ 1325 V4L2_STD_PAL_I) 1326 /* Chroma "agnostic" standards */ 1327 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1328 V4L2_STD_PAL_B1 |\ 1329 V4L2_STD_SECAM_B) 1330 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1331 V4L2_STD_SECAM_G) 1332 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1333 V4L2_STD_SECAM_H) 1334 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1335 V4L2_STD_SECAM_LC) 1336 #define V4L2_STD_GH (V4L2_STD_G |\ 1337 V4L2_STD_H) 1338 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1339 V4L2_STD_SECAM_DK) 1340 #define V4L2_STD_BG (V4L2_STD_B |\ 1341 V4L2_STD_G) 1342 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1343 V4L2_STD_PAL_N |\ 1344 V4L2_STD_PAL_Nc |\ 1345 V4L2_STD_NTSC) 1346 1347 /* Standards where MTS/BTSC stereo could be found */ 1348 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1349 V4L2_STD_PAL_M |\ 1350 V4L2_STD_PAL_N |\ 1351 V4L2_STD_PAL_Nc) 1352 1353 /* Standards for Countries with 60Hz Line frequency */ 1354 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1355 V4L2_STD_PAL_60 |\ 1356 V4L2_STD_NTSC |\ 1357 V4L2_STD_NTSC_443) 1358 /* Standards for Countries with 50Hz Line frequency */ 1359 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1360 V4L2_STD_PAL_N |\ 1361 V4L2_STD_PAL_Nc |\ 1362 V4L2_STD_SECAM) 1363 1364 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1365 V4L2_STD_ATSC_16_VSB) 1366 /* Macros with none and all analog standards */ 1367 #define V4L2_STD_UNKNOWN 0 1368 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1369 V4L2_STD_625_50) 1370 1371 struct v4l2_standard { 1372 __u32 index; 1373 v4l2_std_id id; 1374 __u8 name[24]; 1375 struct v4l2_fract frameperiod; /* Frames, not fields */ 1376 __u32 framelines; 1377 __u32 reserved[4]; 1378 }; 1379 1380 /* 1381 * D V B T T I M I N G S 1382 */ 1383 1384 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1385 * @width: total width of the active video in pixels 1386 * @height: total height of the active video in lines 1387 * @interlaced: Interlaced or progressive 1388 * @polarities: Positive or negative polarities 1389 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1390 * @hfrontporch:Horizontal front porch in pixels 1391 * @hsync: Horizontal Sync length in pixels 1392 * @hbackporch: Horizontal back porch in pixels 1393 * @vfrontporch:Vertical front porch in lines 1394 * @vsync: Vertical Sync length in lines 1395 * @vbackporch: Vertical back porch in lines 1396 * @il_vfrontporch:Vertical front porch for the even field 1397 * (aka field 2) of interlaced field formats 1398 * @il_vsync: Vertical Sync length for the even field 1399 * (aka field 2) of interlaced field formats 1400 * @il_vbackporch:Vertical back porch for the even field 1401 * (aka field 2) of interlaced field formats 1402 * @standards: Standards the timing belongs to 1403 * @flags: Flags 1404 * @picture_aspect: The picture aspect ratio (hor/vert). 1405 * @cea861_vic: VIC code as per the CEA-861 standard. 1406 * @hdmi_vic: VIC code as per the HDMI standard. 1407 * @reserved: Reserved fields, must be zeroed. 1408 * 1409 * A note regarding vertical interlaced timings: height refers to the total 1410 * height of the active video frame (= two fields). The blanking timings refer 1411 * to the blanking of each field. So the height of the total frame is 1412 * calculated as follows: 1413 * 1414 * tot_height = height + vfrontporch + vsync + vbackporch + 1415 * il_vfrontporch + il_vsync + il_vbackporch 1416 * 1417 * The active height of each field is height / 2. 1418 */ 1419 struct v4l2_bt_timings { 1420 __u32 width; 1421 __u32 height; 1422 __u32 interlaced; 1423 __u32 polarities; 1424 __u64 pixelclock; 1425 __u32 hfrontporch; 1426 __u32 hsync; 1427 __u32 hbackporch; 1428 __u32 vfrontporch; 1429 __u32 vsync; 1430 __u32 vbackporch; 1431 __u32 il_vfrontporch; 1432 __u32 il_vsync; 1433 __u32 il_vbackporch; 1434 __u32 standards; 1435 __u32 flags; 1436 struct v4l2_fract picture_aspect; 1437 __u8 cea861_vic; 1438 __u8 hdmi_vic; 1439 __u8 reserved[46]; 1440 } __attribute__ ((packed)); 1441 1442 /* Interlaced or progressive format */ 1443 #define V4L2_DV_PROGRESSIVE 0 1444 #define V4L2_DV_INTERLACED 1 1445 1446 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1447 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1448 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1449 1450 /* Timings standards */ 1451 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1452 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1453 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1454 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1455 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1456 1457 /* Flags */ 1458 1459 /* 1460 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1461 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1462 * intervals are reduced, allowing a higher resolution over the same 1463 * bandwidth. This is a read-only flag. 1464 */ 1465 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1466 /* 1467 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1468 * of six. These formats can be optionally played at 1 / 1.001 speed. 1469 * This is a read-only flag. 1470 */ 1471 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1472 /* 1473 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1474 * by receivers. 1475 * If the framerate of the format is a multiple of six, then the pixelclock 1476 * used to set up the transmitter is divided by 1.001 to make it compatible 1477 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1478 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1479 * such frequencies, then the flag will also be cleared. 1480 */ 1481 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1482 /* 1483 * Specific to interlaced formats: if set, then field 1 is really one half-line 1484 * longer and field 2 is really one half-line shorter, so each field has 1485 * exactly the same number of half-lines. Whether half-lines can be detected 1486 * or used depends on the hardware. 1487 */ 1488 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1489 /* 1490 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1491 * differ from other formats (commonly called IT formats) in that if RGB 1492 * encoding is used then by default the RGB values use limited range (i.e. 1493 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1494 * except for the 640x480 format are CE formats. 1495 */ 1496 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1497 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1498 * total height. For these formats, if this flag is set, the first 1499 * field has the extra line. If not, it is the second field. 1500 */ 1501 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1502 /* 1503 * If set, then the picture_aspect field is valid. Otherwise assume that the 1504 * pixels are square, so the picture aspect ratio is the same as the width to 1505 * height ratio. 1506 */ 1507 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1508 /* 1509 * If set, then the cea861_vic field is valid and contains the Video 1510 * Identification Code as per the CEA-861 standard. 1511 */ 1512 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1513 /* 1514 * If set, then the hdmi_vic field is valid and contains the Video 1515 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1516 * InfoFrame). 1517 */ 1518 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1519 /* 1520 * CEA-861 specific: only valid for video receivers. 1521 * If set, then HW can detect the difference between regular FPS and 1522 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1523 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1524 */ 1525 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1526 1527 /* A few useful defines to calculate the total blanking and frame sizes */ 1528 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1529 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1530 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1531 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1532 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1533 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1534 ((bt)->interlaced ? \ 1535 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1536 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1537 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1538 1539 /** struct v4l2_dv_timings - DV timings 1540 * @type: the type of the timings 1541 * @bt: BT656/1120 timings 1542 */ 1543 struct v4l2_dv_timings { 1544 __u32 type; 1545 union { 1546 struct v4l2_bt_timings bt; 1547 __u32 reserved[32]; 1548 }; 1549 } __attribute__ ((packed)); 1550 1551 /* Values for the type field */ 1552 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1553 1554 1555 /** struct v4l2_enum_dv_timings - DV timings enumeration 1556 * @index: enumeration index 1557 * @pad: the pad number for which to enumerate timings (used with 1558 * v4l-subdev nodes only) 1559 * @reserved: must be zeroed 1560 * @timings: the timings for the given index 1561 */ 1562 struct v4l2_enum_dv_timings { 1563 __u32 index; 1564 __u32 pad; 1565 __u32 reserved[2]; 1566 struct v4l2_dv_timings timings; 1567 }; 1568 1569 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1570 * @min_width: width in pixels 1571 * @max_width: width in pixels 1572 * @min_height: height in lines 1573 * @max_height: height in lines 1574 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1575 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1576 * @standards: Supported standards 1577 * @capabilities: Supported capabilities 1578 * @reserved: Must be zeroed 1579 */ 1580 struct v4l2_bt_timings_cap { 1581 __u32 min_width; 1582 __u32 max_width; 1583 __u32 min_height; 1584 __u32 max_height; 1585 __u64 min_pixelclock; 1586 __u64 max_pixelclock; 1587 __u32 standards; 1588 __u32 capabilities; 1589 __u32 reserved[16]; 1590 } __attribute__ ((packed)); 1591 1592 /* Supports interlaced formats */ 1593 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1594 /* Supports progressive formats */ 1595 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1596 /* Supports CVT/GTF reduced blanking */ 1597 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1598 /* Supports custom formats */ 1599 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1600 1601 /** struct v4l2_dv_timings_cap - DV timings capabilities 1602 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1603 * @pad: the pad number for which to query capabilities (used with 1604 * v4l-subdev nodes only) 1605 * @bt: the BT656/1120 timings capabilities 1606 */ 1607 struct v4l2_dv_timings_cap { 1608 __u32 type; 1609 __u32 pad; 1610 __u32 reserved[2]; 1611 union { 1612 struct v4l2_bt_timings_cap bt; 1613 __u32 raw_data[32]; 1614 }; 1615 }; 1616 1617 1618 /* 1619 * V I D E O I N P U T S 1620 */ 1621 struct v4l2_input { 1622 __u32 index; /* Which input */ 1623 __u8 name[32]; /* Label */ 1624 __u32 type; /* Type of input */ 1625 __u32 audioset; /* Associated audios (bitfield) */ 1626 __u32 tuner; /* Tuner index */ 1627 v4l2_std_id std; 1628 __u32 status; 1629 __u32 capabilities; 1630 __u32 reserved[3]; 1631 }; 1632 1633 /* Values for the 'type' field */ 1634 #define V4L2_INPUT_TYPE_TUNER 1 1635 #define V4L2_INPUT_TYPE_CAMERA 2 1636 #define V4L2_INPUT_TYPE_TOUCH 3 1637 1638 /* field 'status' - general */ 1639 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1640 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1641 #define V4L2_IN_ST_NO_COLOR 0x00000004 1642 1643 /* field 'status' - sensor orientation */ 1644 /* If sensor is mounted upside down set both bits */ 1645 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1646 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1647 1648 /* field 'status' - analog */ 1649 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1650 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1651 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1652 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1653 1654 /* field 'status' - digital */ 1655 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1656 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1657 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1658 1659 /* field 'status' - VCR and set-top box */ 1660 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1661 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1662 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1663 1664 /* capabilities flags */ 1665 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1666 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1667 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1668 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1669 1670 /* 1671 * V I D E O O U T P U T S 1672 */ 1673 struct v4l2_output { 1674 __u32 index; /* Which output */ 1675 __u8 name[32]; /* Label */ 1676 __u32 type; /* Type of output */ 1677 __u32 audioset; /* Associated audios (bitfield) */ 1678 __u32 modulator; /* Associated modulator */ 1679 v4l2_std_id std; 1680 __u32 capabilities; 1681 __u32 reserved[3]; 1682 }; 1683 /* Values for the 'type' field */ 1684 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1685 #define V4L2_OUTPUT_TYPE_ANALOG 2 1686 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1687 1688 /* capabilities flags */ 1689 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1690 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1691 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1692 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1693 1694 /* 1695 * C O N T R O L S 1696 */ 1697 struct v4l2_control { 1698 __u32 id; 1699 __s32 value; 1700 }; 1701 1702 struct v4l2_ext_control { 1703 __u32 id; 1704 __u32 size; 1705 __u32 reserved2[1]; 1706 union { 1707 __s32 value; 1708 __s64 value64; 1709 char *string; 1710 __u8 *p_u8; 1711 __u16 *p_u16; 1712 __u32 *p_u32; 1713 struct v4l2_area *p_area; 1714 struct v4l2_ctrl_h264_sps *p_h264_sps; 1715 struct v4l2_ctrl_h264_pps *p_h264_pps; 1716 struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix; 1717 struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights; 1718 struct v4l2_ctrl_h264_slice_params *p_h264_slice_params; 1719 struct v4l2_ctrl_h264_decode_params *p_h264_decode_params; 1720 struct v4l2_ctrl_fwht_params *p_fwht_params; 1721 struct v4l2_ctrl_vp8_frame *p_vp8_frame; 1722 struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence; 1723 struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture; 1724 struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation; 1725 void *ptr; 1726 }; 1727 } __attribute__ ((packed)); 1728 1729 struct v4l2_ext_controls { 1730 union { 1731 __u32 ctrl_class; 1732 __u32 which; 1733 }; 1734 __u32 count; 1735 __u32 error_idx; 1736 __s32 request_fd; 1737 __u32 reserved[1]; 1738 struct v4l2_ext_control *controls; 1739 }; 1740 1741 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1742 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1743 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1744 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1745 #define V4L2_CTRL_MAX_DIMS (4) 1746 #define V4L2_CTRL_WHICH_CUR_VAL 0 1747 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1748 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1749 1750 enum v4l2_ctrl_type { 1751 V4L2_CTRL_TYPE_INTEGER = 1, 1752 V4L2_CTRL_TYPE_BOOLEAN = 2, 1753 V4L2_CTRL_TYPE_MENU = 3, 1754 V4L2_CTRL_TYPE_BUTTON = 4, 1755 V4L2_CTRL_TYPE_INTEGER64 = 5, 1756 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1757 V4L2_CTRL_TYPE_STRING = 7, 1758 V4L2_CTRL_TYPE_BITMASK = 8, 1759 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1760 1761 /* Compound types are >= 0x0100 */ 1762 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1763 V4L2_CTRL_TYPE_U8 = 0x0100, 1764 V4L2_CTRL_TYPE_U16 = 0x0101, 1765 V4L2_CTRL_TYPE_U32 = 0x0102, 1766 V4L2_CTRL_TYPE_AREA = 0x0106, 1767 1768 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1769 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1770 1771 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1772 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1773 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1774 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1775 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1776 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1777 1778 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1779 1780 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1781 1782 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1783 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1784 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1785 }; 1786 1787 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1788 struct v4l2_queryctrl { 1789 __u32 id; 1790 __u32 type; /* enum v4l2_ctrl_type */ 1791 __u8 name[32]; /* Whatever */ 1792 __s32 minimum; /* Note signedness */ 1793 __s32 maximum; 1794 __s32 step; 1795 __s32 default_value; 1796 __u32 flags; 1797 __u32 reserved[2]; 1798 }; 1799 1800 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1801 struct v4l2_query_ext_ctrl { 1802 __u32 id; 1803 __u32 type; 1804 char name[32]; 1805 __s64 minimum; 1806 __s64 maximum; 1807 __u64 step; 1808 __s64 default_value; 1809 __u32 flags; 1810 __u32 elem_size; 1811 __u32 elems; 1812 __u32 nr_of_dims; 1813 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1814 __u32 reserved[32]; 1815 }; 1816 1817 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1818 struct v4l2_querymenu { 1819 __u32 id; 1820 __u32 index; 1821 union { 1822 __u8 name[32]; /* Whatever */ 1823 __s64 value; 1824 }; 1825 __u32 reserved; 1826 } __attribute__ ((packed)); 1827 1828 /* Control flags */ 1829 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1830 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1831 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1832 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1833 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1834 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1835 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1836 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1837 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1838 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1839 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1840 1841 /* Query flags, to be ORed with the control ID */ 1842 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1843 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1844 1845 /* User-class control IDs defined by V4L2 */ 1846 #define V4L2_CID_MAX_CTRLS 1024 1847 /* IDs reserved for driver specific controls */ 1848 #define V4L2_CID_PRIVATE_BASE 0x08000000 1849 1850 1851 /* 1852 * T U N I N G 1853 */ 1854 struct v4l2_tuner { 1855 __u32 index; 1856 __u8 name[32]; 1857 __u32 type; /* enum v4l2_tuner_type */ 1858 __u32 capability; 1859 __u32 rangelow; 1860 __u32 rangehigh; 1861 __u32 rxsubchans; 1862 __u32 audmode; 1863 __s32 signal; 1864 __s32 afc; 1865 __u32 reserved[4]; 1866 }; 1867 1868 struct v4l2_modulator { 1869 __u32 index; 1870 __u8 name[32]; 1871 __u32 capability; 1872 __u32 rangelow; 1873 __u32 rangehigh; 1874 __u32 txsubchans; 1875 __u32 type; /* enum v4l2_tuner_type */ 1876 __u32 reserved[3]; 1877 }; 1878 1879 /* Flags for the 'capability' field */ 1880 #define V4L2_TUNER_CAP_LOW 0x0001 1881 #define V4L2_TUNER_CAP_NORM 0x0002 1882 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1883 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1884 #define V4L2_TUNER_CAP_STEREO 0x0010 1885 #define V4L2_TUNER_CAP_LANG2 0x0020 1886 #define V4L2_TUNER_CAP_SAP 0x0020 1887 #define V4L2_TUNER_CAP_LANG1 0x0040 1888 #define V4L2_TUNER_CAP_RDS 0x0080 1889 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1890 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1891 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1892 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1893 #define V4L2_TUNER_CAP_1HZ 0x1000 1894 1895 /* Flags for the 'rxsubchans' field */ 1896 #define V4L2_TUNER_SUB_MONO 0x0001 1897 #define V4L2_TUNER_SUB_STEREO 0x0002 1898 #define V4L2_TUNER_SUB_LANG2 0x0004 1899 #define V4L2_TUNER_SUB_SAP 0x0004 1900 #define V4L2_TUNER_SUB_LANG1 0x0008 1901 #define V4L2_TUNER_SUB_RDS 0x0010 1902 1903 /* Values for the 'audmode' field */ 1904 #define V4L2_TUNER_MODE_MONO 0x0000 1905 #define V4L2_TUNER_MODE_STEREO 0x0001 1906 #define V4L2_TUNER_MODE_LANG2 0x0002 1907 #define V4L2_TUNER_MODE_SAP 0x0002 1908 #define V4L2_TUNER_MODE_LANG1 0x0003 1909 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1910 1911 struct v4l2_frequency { 1912 __u32 tuner; 1913 __u32 type; /* enum v4l2_tuner_type */ 1914 __u32 frequency; 1915 __u32 reserved[8]; 1916 }; 1917 1918 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1919 #define V4L2_BAND_MODULATION_FM (1 << 2) 1920 #define V4L2_BAND_MODULATION_AM (1 << 3) 1921 1922 struct v4l2_frequency_band { 1923 __u32 tuner; 1924 __u32 type; /* enum v4l2_tuner_type */ 1925 __u32 index; 1926 __u32 capability; 1927 __u32 rangelow; 1928 __u32 rangehigh; 1929 __u32 modulation; 1930 __u32 reserved[9]; 1931 }; 1932 1933 struct v4l2_hw_freq_seek { 1934 __u32 tuner; 1935 __u32 type; /* enum v4l2_tuner_type */ 1936 __u32 seek_upward; 1937 __u32 wrap_around; 1938 __u32 spacing; 1939 __u32 rangelow; 1940 __u32 rangehigh; 1941 __u32 reserved[5]; 1942 }; 1943 1944 /* 1945 * R D S 1946 */ 1947 1948 struct v4l2_rds_data { 1949 __u8 lsb; 1950 __u8 msb; 1951 __u8 block; 1952 } __attribute__ ((packed)); 1953 1954 #define V4L2_RDS_BLOCK_MSK 0x7 1955 #define V4L2_RDS_BLOCK_A 0 1956 #define V4L2_RDS_BLOCK_B 1 1957 #define V4L2_RDS_BLOCK_C 2 1958 #define V4L2_RDS_BLOCK_D 3 1959 #define V4L2_RDS_BLOCK_C_ALT 4 1960 #define V4L2_RDS_BLOCK_INVALID 7 1961 1962 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1963 #define V4L2_RDS_BLOCK_ERROR 0x80 1964 1965 /* 1966 * A U D I O 1967 */ 1968 struct v4l2_audio { 1969 __u32 index; 1970 __u8 name[32]; 1971 __u32 capability; 1972 __u32 mode; 1973 __u32 reserved[2]; 1974 }; 1975 1976 /* Flags for the 'capability' field */ 1977 #define V4L2_AUDCAP_STEREO 0x00001 1978 #define V4L2_AUDCAP_AVL 0x00002 1979 1980 /* Flags for the 'mode' field */ 1981 #define V4L2_AUDMODE_AVL 0x00001 1982 1983 struct v4l2_audioout { 1984 __u32 index; 1985 __u8 name[32]; 1986 __u32 capability; 1987 __u32 mode; 1988 __u32 reserved[2]; 1989 }; 1990 1991 /* 1992 * M P E G S E R V I C E S 1993 */ 1994 #if 1 1995 #define V4L2_ENC_IDX_FRAME_I (0) 1996 #define V4L2_ENC_IDX_FRAME_P (1) 1997 #define V4L2_ENC_IDX_FRAME_B (2) 1998 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1999 2000 struct v4l2_enc_idx_entry { 2001 __u64 offset; 2002 __u64 pts; 2003 __u32 length; 2004 __u32 flags; 2005 __u32 reserved[2]; 2006 }; 2007 2008 #define V4L2_ENC_IDX_ENTRIES (64) 2009 struct v4l2_enc_idx { 2010 __u32 entries; 2011 __u32 entries_cap; 2012 __u32 reserved[4]; 2013 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2014 }; 2015 2016 2017 #define V4L2_ENC_CMD_START (0) 2018 #define V4L2_ENC_CMD_STOP (1) 2019 #define V4L2_ENC_CMD_PAUSE (2) 2020 #define V4L2_ENC_CMD_RESUME (3) 2021 2022 /* Flags for V4L2_ENC_CMD_STOP */ 2023 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2024 2025 struct v4l2_encoder_cmd { 2026 __u32 cmd; 2027 __u32 flags; 2028 union { 2029 struct { 2030 __u32 data[8]; 2031 } raw; 2032 }; 2033 }; 2034 2035 /* Decoder commands */ 2036 #define V4L2_DEC_CMD_START (0) 2037 #define V4L2_DEC_CMD_STOP (1) 2038 #define V4L2_DEC_CMD_PAUSE (2) 2039 #define V4L2_DEC_CMD_RESUME (3) 2040 #define V4L2_DEC_CMD_FLUSH (4) 2041 2042 /* Flags for V4L2_DEC_CMD_START */ 2043 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2044 2045 /* Flags for V4L2_DEC_CMD_PAUSE */ 2046 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2047 2048 /* Flags for V4L2_DEC_CMD_STOP */ 2049 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2050 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2051 2052 /* Play format requirements (returned by the driver): */ 2053 2054 /* The decoder has no special format requirements */ 2055 #define V4L2_DEC_START_FMT_NONE (0) 2056 /* The decoder requires full GOPs */ 2057 #define V4L2_DEC_START_FMT_GOP (1) 2058 2059 /* The structure must be zeroed before use by the application 2060 This ensures it can be extended safely in the future. */ 2061 struct v4l2_decoder_cmd { 2062 __u32 cmd; 2063 __u32 flags; 2064 union { 2065 struct { 2066 __u64 pts; 2067 } stop; 2068 2069 struct { 2070 /* 0 or 1000 specifies normal speed, 2071 1 specifies forward single stepping, 2072 -1 specifies backward single stepping, 2073 >1: playback at speed/1000 of the normal speed, 2074 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2075 __s32 speed; 2076 __u32 format; 2077 } start; 2078 2079 struct { 2080 __u32 data[16]; 2081 } raw; 2082 }; 2083 }; 2084 #endif 2085 2086 2087 /* 2088 * D A T A S E R V I C E S ( V B I ) 2089 * 2090 * Data services API by Michael Schimek 2091 */ 2092 2093 /* Raw VBI */ 2094 struct v4l2_vbi_format { 2095 __u32 sampling_rate; /* in 1 Hz */ 2096 __u32 offset; 2097 __u32 samples_per_line; 2098 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2099 __s32 start[2]; 2100 __u32 count[2]; 2101 __u32 flags; /* V4L2_VBI_* */ 2102 __u32 reserved[2]; /* must be zero */ 2103 }; 2104 2105 /* VBI flags */ 2106 #define V4L2_VBI_UNSYNC (1 << 0) 2107 #define V4L2_VBI_INTERLACED (1 << 1) 2108 2109 /* ITU-R start lines for each field */ 2110 #define V4L2_VBI_ITU_525_F1_START (1) 2111 #define V4L2_VBI_ITU_525_F2_START (264) 2112 #define V4L2_VBI_ITU_625_F1_START (1) 2113 #define V4L2_VBI_ITU_625_F2_START (314) 2114 2115 /* Sliced VBI 2116 * 2117 * This implements is a proposal V4L2 API to allow SLICED VBI 2118 * required for some hardware encoders. It should change without 2119 * notice in the definitive implementation. 2120 */ 2121 2122 struct v4l2_sliced_vbi_format { 2123 __u16 service_set; 2124 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2125 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2126 (equals frame lines 313-336 for 625 line video 2127 standards, 263-286 for 525 line standards) */ 2128 __u16 service_lines[2][24]; 2129 __u32 io_size; 2130 __u32 reserved[2]; /* must be zero */ 2131 }; 2132 2133 /* Teletext World System Teletext 2134 (WST), defined on ITU-R BT.653-2 */ 2135 #define V4L2_SLICED_TELETEXT_B (0x0001) 2136 /* Video Program System, defined on ETS 300 231*/ 2137 #define V4L2_SLICED_VPS (0x0400) 2138 /* Closed Caption, defined on EIA-608 */ 2139 #define V4L2_SLICED_CAPTION_525 (0x1000) 2140 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2141 #define V4L2_SLICED_WSS_625 (0x4000) 2142 2143 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2144 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2145 2146 struct v4l2_sliced_vbi_cap { 2147 __u16 service_set; 2148 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2149 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2150 (equals frame lines 313-336 for 625 line video 2151 standards, 263-286 for 525 line standards) */ 2152 __u16 service_lines[2][24]; 2153 __u32 type; /* enum v4l2_buf_type */ 2154 __u32 reserved[3]; /* must be 0 */ 2155 }; 2156 2157 struct v4l2_sliced_vbi_data { 2158 __u32 id; 2159 __u32 field; /* 0: first field, 1: second field */ 2160 __u32 line; /* 1-23 */ 2161 __u32 reserved; /* must be 0 */ 2162 __u8 data[48]; 2163 }; 2164 2165 /* 2166 * Sliced VBI data inserted into MPEG Streams 2167 */ 2168 2169 /* 2170 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2171 * 2172 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2173 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2174 * data 2175 * 2176 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2177 * definitions are not included here. See the MPEG-2 specifications for details 2178 * on these headers. 2179 */ 2180 2181 /* Line type IDs */ 2182 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2183 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2184 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2185 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2186 2187 struct v4l2_mpeg_vbi_itv0_line { 2188 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2189 __u8 data[42]; /* Sliced VBI data for the line */ 2190 } __attribute__ ((packed)); 2191 2192 struct v4l2_mpeg_vbi_itv0 { 2193 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2194 struct v4l2_mpeg_vbi_itv0_line line[35]; 2195 } __attribute__ ((packed)); 2196 2197 struct v4l2_mpeg_vbi_ITV0 { 2198 struct v4l2_mpeg_vbi_itv0_line line[36]; 2199 } __attribute__ ((packed)); 2200 2201 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2202 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2203 2204 struct v4l2_mpeg_vbi_fmt_ivtv { 2205 __u8 magic[4]; 2206 union { 2207 struct v4l2_mpeg_vbi_itv0 itv0; 2208 struct v4l2_mpeg_vbi_ITV0 ITV0; 2209 }; 2210 } __attribute__ ((packed)); 2211 2212 /* 2213 * A G G R E G A T E S T R U C T U R E S 2214 */ 2215 2216 /** 2217 * struct v4l2_plane_pix_format - additional, per-plane format definition 2218 * @sizeimage: maximum size in bytes required for data, for which 2219 * this plane will be used 2220 * @bytesperline: distance in bytes between the leftmost pixels in two 2221 * adjacent lines 2222 * @reserved: drivers and applications must zero this array 2223 */ 2224 struct v4l2_plane_pix_format { 2225 __u32 sizeimage; 2226 __u32 bytesperline; 2227 __u16 reserved[6]; 2228 } __attribute__ ((packed)); 2229 2230 /** 2231 * struct v4l2_pix_format_mplane - multiplanar format definition 2232 * @width: image width in pixels 2233 * @height: image height in pixels 2234 * @pixelformat: little endian four character code (fourcc) 2235 * @field: enum v4l2_field; field order (for interlaced video) 2236 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2237 * @plane_fmt: per-plane information 2238 * @num_planes: number of planes for this format 2239 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2240 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2241 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2242 * @quantization: enum v4l2_quantization, colorspace quantization 2243 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2244 * @reserved: drivers and applications must zero this array 2245 */ 2246 struct v4l2_pix_format_mplane { 2247 __u32 width; 2248 __u32 height; 2249 __u32 pixelformat; 2250 __u32 field; 2251 __u32 colorspace; 2252 2253 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2254 __u8 num_planes; 2255 __u8 flags; 2256 union { 2257 __u8 ycbcr_enc; 2258 __u8 hsv_enc; 2259 }; 2260 __u8 quantization; 2261 __u8 xfer_func; 2262 __u8 reserved[7]; 2263 } __attribute__ ((packed)); 2264 2265 /** 2266 * struct v4l2_sdr_format - SDR format definition 2267 * @pixelformat: little endian four character code (fourcc) 2268 * @buffersize: maximum size in bytes required for data 2269 * @reserved: drivers and applications must zero this array 2270 */ 2271 struct v4l2_sdr_format { 2272 __u32 pixelformat; 2273 __u32 buffersize; 2274 __u8 reserved[24]; 2275 } __attribute__ ((packed)); 2276 2277 /** 2278 * struct v4l2_meta_format - metadata format definition 2279 * @dataformat: little endian four character code (fourcc) 2280 * @buffersize: maximum size in bytes required for data 2281 */ 2282 struct v4l2_meta_format { 2283 __u32 dataformat; 2284 __u32 buffersize; 2285 } __attribute__ ((packed)); 2286 2287 /** 2288 * struct v4l2_format - stream data format 2289 * @type: enum v4l2_buf_type; type of the data stream 2290 * @pix: definition of an image format 2291 * @pix_mp: definition of a multiplanar image format 2292 * @win: definition of an overlaid image 2293 * @vbi: raw VBI capture or output parameters 2294 * @sliced: sliced VBI capture or output parameters 2295 * @raw_data: placeholder for future extensions and custom formats 2296 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2297 * and @raw_data 2298 */ 2299 struct v4l2_format { 2300 __u32 type; 2301 union { 2302 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2303 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2304 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2305 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2306 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2307 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2308 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2309 __u8 raw_data[200]; /* user-defined */ 2310 } fmt; 2311 }; 2312 2313 /* Stream type-dependent parameters 2314 */ 2315 struct v4l2_streamparm { 2316 __u32 type; /* enum v4l2_buf_type */ 2317 union { 2318 struct v4l2_captureparm capture; 2319 struct v4l2_outputparm output; 2320 __u8 raw_data[200]; /* user-defined */ 2321 } parm; 2322 }; 2323 2324 /* 2325 * E V E N T S 2326 */ 2327 2328 #define V4L2_EVENT_ALL 0 2329 #define V4L2_EVENT_VSYNC 1 2330 #define V4L2_EVENT_EOS 2 2331 #define V4L2_EVENT_CTRL 3 2332 #define V4L2_EVENT_FRAME_SYNC 4 2333 #define V4L2_EVENT_SOURCE_CHANGE 5 2334 #define V4L2_EVENT_MOTION_DET 6 2335 #define V4L2_EVENT_PRIVATE_START 0x08000000 2336 2337 /* Payload for V4L2_EVENT_VSYNC */ 2338 struct v4l2_event_vsync { 2339 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2340 __u8 field; 2341 } __attribute__ ((packed)); 2342 2343 /* Payload for V4L2_EVENT_CTRL */ 2344 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2345 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2346 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2347 2348 struct v4l2_event_ctrl { 2349 __u32 changes; 2350 __u32 type; 2351 union { 2352 __s32 value; 2353 __s64 value64; 2354 }; 2355 __u32 flags; 2356 __s32 minimum; 2357 __s32 maximum; 2358 __s32 step; 2359 __s32 default_value; 2360 }; 2361 2362 struct v4l2_event_frame_sync { 2363 __u32 frame_sequence; 2364 }; 2365 2366 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2367 2368 struct v4l2_event_src_change { 2369 __u32 changes; 2370 }; 2371 2372 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2373 2374 /** 2375 * struct v4l2_event_motion_det - motion detection event 2376 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2377 * frame_sequence field is valid. 2378 * @frame_sequence: the frame sequence number associated with this event. 2379 * @region_mask: which regions detected motion. 2380 */ 2381 struct v4l2_event_motion_det { 2382 __u32 flags; 2383 __u32 frame_sequence; 2384 __u32 region_mask; 2385 }; 2386 2387 struct v4l2_event { 2388 __u32 type; 2389 union { 2390 struct v4l2_event_vsync vsync; 2391 struct v4l2_event_ctrl ctrl; 2392 struct v4l2_event_frame_sync frame_sync; 2393 struct v4l2_event_src_change src_change; 2394 struct v4l2_event_motion_det motion_det; 2395 __u8 data[64]; 2396 } u; 2397 __u32 pending; 2398 __u32 sequence; 2399 struct timespec timestamp; 2400 __u32 id; 2401 __u32 reserved[8]; 2402 }; 2403 2404 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2405 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2406 2407 struct v4l2_event_subscription { 2408 __u32 type; 2409 __u32 id; 2410 __u32 flags; 2411 __u32 reserved[5]; 2412 }; 2413 2414 /* 2415 * A D V A N C E D D E B U G G I N G 2416 * 2417 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2418 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2419 */ 2420 2421 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2422 2423 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2424 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2425 2426 /* The following four defines are no longer in use */ 2427 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2428 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2429 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2430 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2431 2432 struct v4l2_dbg_match { 2433 __u32 type; /* Match type */ 2434 union { /* Match this chip, meaning determined by type */ 2435 __u32 addr; 2436 char name[32]; 2437 }; 2438 } __attribute__ ((packed)); 2439 2440 struct v4l2_dbg_register { 2441 struct v4l2_dbg_match match; 2442 __u32 size; /* register size in bytes */ 2443 __u64 reg; 2444 __u64 val; 2445 } __attribute__ ((packed)); 2446 2447 #define V4L2_CHIP_FL_READABLE (1 << 0) 2448 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2449 2450 /* VIDIOC_DBG_G_CHIP_INFO */ 2451 struct v4l2_dbg_chip_info { 2452 struct v4l2_dbg_match match; 2453 char name[32]; 2454 __u32 flags; 2455 __u32 reserved[32]; 2456 } __attribute__ ((packed)); 2457 2458 /** 2459 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2460 * @index: on return, index of the first created buffer 2461 * @count: entry: number of requested buffers, 2462 * return: number of created buffers 2463 * @memory: enum v4l2_memory; buffer memory type 2464 * @format: frame format, for which buffers are requested 2465 * @capabilities: capabilities of this buffer type. 2466 * @reserved: future extensions 2467 */ 2468 struct v4l2_create_buffers { 2469 __u32 index; 2470 __u32 count; 2471 __u32 memory; 2472 struct v4l2_format format; 2473 __u32 capabilities; 2474 __u32 reserved[7]; 2475 }; 2476 2477 /* 2478 * 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 2479 * 2480 */ 2481 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2482 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2483 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2484 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2485 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2486 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2487 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2488 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2489 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2490 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2491 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2492 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2493 #define VIDIOC_STREAMON _IOW('V', 18, int) 2494 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2495 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2496 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2497 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2498 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2499 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2500 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2501 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2502 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2503 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2504 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2505 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2506 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2507 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2508 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2509 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2510 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2511 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2512 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2513 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2514 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2515 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2516 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2517 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2518 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2519 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2520 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2521 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2522 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2523 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2524 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2525 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2526 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2527 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2528 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2529 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2530 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2531 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2532 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2533 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2534 #define VIDIOC_LOG_STATUS _IO('V', 70) 2535 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2536 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2537 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2538 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2539 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2540 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2541 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2542 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2543 2544 /* 2545 * Experimental, meant for debugging, testing and internal use. 2546 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2547 * You must be root to use these ioctls. Never use these in applications! 2548 */ 2549 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2550 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2551 2552 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2553 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2554 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2555 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2556 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2557 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2558 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2559 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2560 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2561 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2562 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2563 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2564 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2565 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2566 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2567 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2568 2569 /* 2570 * Experimental, meant for debugging, testing and internal use. 2571 * Never use this in applications! 2572 */ 2573 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2574 2575 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2576 2577 /* Reminder: when adding new ioctls please add support for them to 2578 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2579 2580 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2581 2582 #endif /* __LINUX_VIDEODEV2_H */
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