1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * Alternatively you can redistribute this file under the terms of the 17 * BSD license as stated below: 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in 26 * the documentation and/or other materials provided with the 27 * distribution. 28 * 3. The names of its contributors may not be used to endorse or promote 29 * products derived from this software without specific prior written 30 * permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 38 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 * Header file for v4l or V4L2 drivers and applications 45 * with public API. 46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 47 * no #if __KERNEL tests are allowed here 48 * 49 * See https://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <[email protected]> 52 * Justin Schoeman 53 * Hans Verkuil <[email protected]> 54 * et al. 55 */ 56 #ifndef _UAPI__LINUX_VIDEODEV2_H 57 #define _UAPI__LINUX_VIDEODEV2_H 58 59 #ifndef __KERNEL__ 60 #include <sys/time.h> 61 #endif 62 #include <linux/compiler.h> 63 #include <linux/ioctl.h> 64 #include <linux/types.h> 65 #include <linux/v4l2-common.h> 66 #include <linux/v4l2-controls.h> 67 68 /* 69 * Common stuff for both V4L1 and V4L2 70 * Moved from videodev.h 71 */ 72 #define VIDEO_MAX_FRAME 32 73 #define VIDEO_MAX_PLANES 8 74 75 /* 76 * M I S C E L L A N E O U S 77 */ 78 79 /* Four-character-code (FOURCC) */ 80 #define v4l2_fourcc(a, b, c, d)\ 81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 82 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 83 84 /* 85 * E N U M S 86 */ 87 enum v4l2_field { 88 V4L2_FIELD_ANY = 0, /* driver can choose from none, 89 top, bottom, interlaced 90 depending on whatever it thinks 91 is approximate ... */ 92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 93 V4L2_FIELD_TOP = 2, /* top field only */ 94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 97 buffer, top-bottom order */ 98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 100 separate buffers */ 101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 102 first and the top field is 103 transmitted first */ 104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 105 first and the bottom field is 106 transmitted first */ 107 }; 108 #define V4L2_FIELD_HAS_TOP(field) \ 109 ((field) == V4L2_FIELD_TOP ||\ 110 (field) == V4L2_FIELD_INTERLACED ||\ 111 (field) == V4L2_FIELD_INTERLACED_TB ||\ 112 (field) == V4L2_FIELD_INTERLACED_BT ||\ 113 (field) == V4L2_FIELD_SEQ_TB ||\ 114 (field) == V4L2_FIELD_SEQ_BT) 115 #define V4L2_FIELD_HAS_BOTTOM(field) \ 116 ((field) == V4L2_FIELD_BOTTOM ||\ 117 (field) == V4L2_FIELD_INTERLACED ||\ 118 (field) == V4L2_FIELD_INTERLACED_TB ||\ 119 (field) == V4L2_FIELD_INTERLACED_BT ||\ 120 (field) == V4L2_FIELD_SEQ_TB ||\ 121 (field) == V4L2_FIELD_SEQ_BT) 122 #define V4L2_FIELD_HAS_BOTH(field) \ 123 ((field) == V4L2_FIELD_INTERLACED ||\ 124 (field) == V4L2_FIELD_INTERLACED_TB ||\ 125 (field) == V4L2_FIELD_INTERLACED_BT ||\ 126 (field) == V4L2_FIELD_SEQ_TB ||\ 127 (field) == V4L2_FIELD_SEQ_BT) 128 #define V4L2_FIELD_HAS_T_OR_B(field) \ 129 ((field) == V4L2_FIELD_BOTTOM ||\ 130 (field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_ALTERNATE) 132 133 enum v4l2_buf_type { 134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 137 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 138 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 142 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 144 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 145 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 146 /* Deprecated, do not use */ 147 V4L2_BUF_TYPE_PRIVATE = 0x80, 148 }; 149 150 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 151 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 152 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 153 154 #define V4L2_TYPE_IS_OUTPUT(type) \ 155 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 156 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 159 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 160 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 161 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 162 163 enum v4l2_tuner_type { 164 V4L2_TUNER_RADIO = 1, 165 V4L2_TUNER_ANALOG_TV = 2, 166 V4L2_TUNER_DIGITAL_TV = 3, 167 V4L2_TUNER_SDR = 4, 168 V4L2_TUNER_RF = 5, 169 }; 170 171 /* Deprecated, do not use */ 172 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 173 174 enum v4l2_memory { 175 V4L2_MEMORY_MMAP = 1, 176 V4L2_MEMORY_USERPTR = 2, 177 V4L2_MEMORY_OVERLAY = 3, 178 V4L2_MEMORY_DMABUF = 4, 179 }; 180 181 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 182 enum v4l2_colorspace { 183 /* 184 * Default colorspace, i.e. let the driver figure it out. 185 * Can only be used with video capture. 186 */ 187 V4L2_COLORSPACE_DEFAULT = 0, 188 189 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 190 V4L2_COLORSPACE_SMPTE170M = 1, 191 192 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 193 V4L2_COLORSPACE_SMPTE240M = 2, 194 195 /* Rec.709: used for HDTV */ 196 V4L2_COLORSPACE_REC709 = 3, 197 198 /* 199 * Deprecated, do not use. No driver will ever return this. This was 200 * based on a misunderstanding of the bt878 datasheet. 201 */ 202 V4L2_COLORSPACE_BT878 = 4, 203 204 /* 205 * NTSC 1953 colorspace. This only makes sense when dealing with 206 * really, really old NTSC recordings. Superseded by SMPTE 170M. 207 */ 208 V4L2_COLORSPACE_470_SYSTEM_M = 5, 209 210 /* 211 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 212 * dealing with really old PAL/SECAM recordings. Superseded by 213 * SMPTE 170M. 214 */ 215 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 216 217 /* 218 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 219 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 220 */ 221 V4L2_COLORSPACE_JPEG = 7, 222 223 /* For RGB colorspaces such as produces by most webcams. */ 224 V4L2_COLORSPACE_SRGB = 8, 225 226 /* AdobeRGB colorspace */ 227 V4L2_COLORSPACE_ADOBERGB = 9, 228 229 /* BT.2020 colorspace, used for UHDTV. */ 230 V4L2_COLORSPACE_BT2020 = 10, 231 232 /* Raw colorspace: for RAW unprocessed images */ 233 V4L2_COLORSPACE_RAW = 11, 234 235 /* DCI-P3 colorspace, used by cinema projectors */ 236 V4L2_COLORSPACE_DCI_P3 = 12, 237 }; 238 239 /* 240 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 241 * This depends on whether this is a SDTV image (use SMPTE 170M), an 242 * HDTV image (use Rec. 709), or something else (use sRGB). 243 */ 244 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 245 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 246 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 247 248 enum v4l2_xfer_func { 249 /* 250 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 251 * for the various colorspaces: 252 * 253 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 254 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 255 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 256 * 257 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 258 * 259 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 260 * 261 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 262 * 263 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 264 * 265 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 266 */ 267 V4L2_XFER_FUNC_DEFAULT = 0, 268 V4L2_XFER_FUNC_709 = 1, 269 V4L2_XFER_FUNC_SRGB = 2, 270 V4L2_XFER_FUNC_ADOBERGB = 3, 271 V4L2_XFER_FUNC_SMPTE240M = 4, 272 V4L2_XFER_FUNC_NONE = 5, 273 V4L2_XFER_FUNC_DCI_P3 = 6, 274 V4L2_XFER_FUNC_SMPTE2084 = 7, 275 }; 276 277 /* 278 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 279 * This depends on the colorspace. 280 */ 281 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 282 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 283 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 284 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 285 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 286 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 287 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 288 289 enum v4l2_ycbcr_encoding { 290 /* 291 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 292 * various colorspaces: 293 * 294 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 295 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 296 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 297 * 298 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 299 * 300 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 301 * 302 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 303 */ 304 V4L2_YCBCR_ENC_DEFAULT = 0, 305 306 /* ITU-R 601 -- SDTV */ 307 V4L2_YCBCR_ENC_601 = 1, 308 309 /* Rec. 709 -- HDTV */ 310 V4L2_YCBCR_ENC_709 = 2, 311 312 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 313 V4L2_YCBCR_ENC_XV601 = 3, 314 315 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 316 V4L2_YCBCR_ENC_XV709 = 4, 317 318 #ifndef __KERNEL__ 319 /* 320 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 321 * originally due to a misunderstanding of the sYCC standard. It should 322 * not be used, instead use V4L2_YCBCR_ENC_601. 323 */ 324 V4L2_YCBCR_ENC_SYCC = 5, 325 #endif 326 327 /* BT.2020 Non-constant Luminance Y'CbCr */ 328 V4L2_YCBCR_ENC_BT2020 = 6, 329 330 /* BT.2020 Constant Luminance Y'CbcCrc */ 331 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 332 333 /* SMPTE 240M -- Obsolete HDTV */ 334 V4L2_YCBCR_ENC_SMPTE240M = 8, 335 }; 336 337 /* 338 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 339 * This depends on the colorspace. 340 */ 341 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 342 (((colsp) == V4L2_COLORSPACE_REC709 || \ 343 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 344 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 345 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 346 V4L2_YCBCR_ENC_601))) 347 348 enum v4l2_quantization { 349 /* 350 * The default for R'G'B' quantization is always full range, except 351 * for the BT2020 colorspace. For Y'CbCr the quantization is always 352 * limited range, except for COLORSPACE_JPEG, SRGB, ADOBERGB, 353 * XV601 or XV709: those are full range. 354 */ 355 V4L2_QUANTIZATION_DEFAULT = 0, 356 V4L2_QUANTIZATION_FULL_RANGE = 1, 357 V4L2_QUANTIZATION_LIM_RANGE = 2, 358 }; 359 360 /* 361 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 362 * This depends on whether the image is RGB or not, the colorspace and the 363 * Y'CbCr encoding. 364 */ 365 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 366 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 367 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 368 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) || \ 369 (colsp) == V4L2_COLORSPACE_ADOBERGB || (colsp) == V4L2_COLORSPACE_SRGB ? \ 370 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 371 372 enum v4l2_priority { 373 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 374 V4L2_PRIORITY_BACKGROUND = 1, 375 V4L2_PRIORITY_INTERACTIVE = 2, 376 V4L2_PRIORITY_RECORD = 3, 377 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 378 }; 379 380 struct v4l2_rect { 381 __s32 left; 382 __s32 top; 383 __u32 width; 384 __u32 height; 385 }; 386 387 struct v4l2_fract { 388 __u32 numerator; 389 __u32 denominator; 390 }; 391 392 /** 393 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 394 * 395 * @driver: name of the driver module (e.g. "bttv") 396 * @card: name of the card (e.g. "Hauppauge WinTV") 397 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 398 * @version: KERNEL_VERSION 399 * @capabilities: capabilities of the physical device as a whole 400 * @device_caps: capabilities accessed via this particular device (node) 401 * @reserved: reserved fields for future extensions 402 */ 403 struct v4l2_capability { 404 __u8 driver[16]; 405 __u8 card[32]; 406 __u8 bus_info[32]; 407 __u32 version; 408 __u32 capabilities; 409 __u32 device_caps; 410 __u32 reserved[3]; 411 }; 412 413 /* Values for 'capabilities' field */ 414 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 415 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 416 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 417 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 418 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 419 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 420 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 421 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 422 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 423 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 424 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 425 426 /* Is a video capture device that supports multiplanar formats */ 427 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 428 /* Is a video output device that supports multiplanar formats */ 429 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 430 /* Is a video mem-to-mem device that supports multiplanar formats */ 431 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 432 /* Is a video mem-to-mem device */ 433 #define V4L2_CAP_VIDEO_M2M 0x00008000 434 435 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 436 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 437 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 438 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 439 440 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 441 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 442 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 443 444 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 445 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 446 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 447 448 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 449 450 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 451 452 /* 453 * V I D E O I M A G E F O R M A T 454 */ 455 struct v4l2_pix_format { 456 __u32 width; 457 __u32 height; 458 __u32 pixelformat; 459 __u32 field; /* enum v4l2_field */ 460 __u32 bytesperline; /* for padding, zero if unused */ 461 __u32 sizeimage; 462 __u32 colorspace; /* enum v4l2_colorspace */ 463 __u32 priv; /* private data, depends on pixelformat */ 464 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 465 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 466 __u32 quantization; /* enum v4l2_quantization */ 467 __u32 xfer_func; /* enum v4l2_xfer_func */ 468 }; 469 470 /* Pixel format FOURCC depth Description */ 471 472 /* RGB formats */ 473 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 474 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 475 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 476 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 477 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 478 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 479 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 480 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 481 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 482 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 483 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 484 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 485 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 486 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 487 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 488 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 489 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 490 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 491 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 492 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 493 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 494 495 /* Grey formats */ 496 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 497 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 498 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 499 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 500 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 501 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 502 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 503 504 /* Grey bit-packed formats */ 505 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 506 507 /* Palette formats */ 508 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 509 510 /* Chrominance formats */ 511 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 512 513 /* Luminance+Chrominance formats */ 514 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 515 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 516 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 517 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 518 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 519 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 520 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 521 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 522 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 523 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 524 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 525 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 526 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 527 528 /* two planes -- one Y, one Cr + Cb interleaved */ 529 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 530 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 531 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 532 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 533 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 534 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 535 536 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 537 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 538 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 539 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 540 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 541 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 542 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 543 544 /* three planes - Y Cb, Cr */ 545 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 546 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 547 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 548 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 549 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 550 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 551 552 /* three non contiguous planes - Y, Cb, Cr */ 553 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 554 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 555 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 556 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 557 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 558 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 559 560 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 561 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 562 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 563 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 564 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 565 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 566 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 567 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 568 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 569 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 570 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 571 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 572 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 573 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 574 /* 10bit raw bayer a-law compressed to 8 bits */ 575 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 576 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 577 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 578 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 579 /* 10bit raw bayer DPCM compressed to 8 bits */ 580 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 581 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 582 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 583 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 584 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 585 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 586 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 587 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 588 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 589 590 /* compressed formats */ 591 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 592 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 593 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 594 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 595 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 596 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 597 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 598 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 599 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 600 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 601 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 602 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 603 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 604 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 605 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 606 607 /* Vendor-specific formats */ 608 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 609 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 610 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 611 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 612 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 613 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 614 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 615 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 616 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 617 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 618 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 619 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 620 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 621 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 622 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 623 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 624 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 625 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 626 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 627 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 628 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 629 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 630 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 631 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 632 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 633 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 634 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 635 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 636 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 637 638 /* SDR formats - used only for Software Defined Radio devices */ 639 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 640 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 641 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 642 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 643 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 644 645 /* Touch formats - used for Touch devices */ 646 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 647 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 648 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 649 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 650 651 /* priv field value to indicates that subsequent fields are valid. */ 652 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 653 654 /* Flags */ 655 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 656 657 /* 658 * F O R M A T E N U M E R A T I O N 659 */ 660 struct v4l2_fmtdesc { 661 __u32 index; /* Format number */ 662 __u32 type; /* enum v4l2_buf_type */ 663 __u32 flags; 664 __u8 description[32]; /* Description string */ 665 __u32 pixelformat; /* Format fourcc */ 666 __u32 reserved[4]; 667 }; 668 669 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 670 #define V4L2_FMT_FLAG_EMULATED 0x0002 671 672 /* Frame Size and frame rate enumeration */ 673 /* 674 * F R A M E S I Z E E N U M E R A T I O N 675 */ 676 enum v4l2_frmsizetypes { 677 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 678 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 679 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 680 }; 681 682 struct v4l2_frmsize_discrete { 683 __u32 width; /* Frame width [pixel] */ 684 __u32 height; /* Frame height [pixel] */ 685 }; 686 687 struct v4l2_frmsize_stepwise { 688 __u32 min_width; /* Minimum frame width [pixel] */ 689 __u32 max_width; /* Maximum frame width [pixel] */ 690 __u32 step_width; /* Frame width step size [pixel] */ 691 __u32 min_height; /* Minimum frame height [pixel] */ 692 __u32 max_height; /* Maximum frame height [pixel] */ 693 __u32 step_height; /* Frame height step size [pixel] */ 694 }; 695 696 struct v4l2_frmsizeenum { 697 __u32 index; /* Frame size number */ 698 __u32 pixel_format; /* Pixel format */ 699 __u32 type; /* Frame size type the device supports. */ 700 701 union { /* Frame size */ 702 struct v4l2_frmsize_discrete discrete; 703 struct v4l2_frmsize_stepwise stepwise; 704 }; 705 706 __u32 reserved[2]; /* Reserved space for future use */ 707 }; 708 709 /* 710 * F R A M E R A T E E N U M E R A T I O N 711 */ 712 enum v4l2_frmivaltypes { 713 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 714 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 715 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 716 }; 717 718 struct v4l2_frmival_stepwise { 719 struct v4l2_fract min; /* Minimum frame interval [s] */ 720 struct v4l2_fract max; /* Maximum frame interval [s] */ 721 struct v4l2_fract step; /* Frame interval step size [s] */ 722 }; 723 724 struct v4l2_frmivalenum { 725 __u32 index; /* Frame format index */ 726 __u32 pixel_format; /* Pixel format */ 727 __u32 width; /* Frame width */ 728 __u32 height; /* Frame height */ 729 __u32 type; /* Frame interval type the device supports. */ 730 731 union { /* Frame interval */ 732 struct v4l2_fract discrete; 733 struct v4l2_frmival_stepwise stepwise; 734 }; 735 736 __u32 reserved[2]; /* Reserved space for future use */ 737 }; 738 739 /* 740 * T I M E C O D E 741 */ 742 struct v4l2_timecode { 743 __u32 type; 744 __u32 flags; 745 __u8 frames; 746 __u8 seconds; 747 __u8 minutes; 748 __u8 hours; 749 __u8 userbits[4]; 750 }; 751 752 /* Type */ 753 #define V4L2_TC_TYPE_24FPS 1 754 #define V4L2_TC_TYPE_25FPS 2 755 #define V4L2_TC_TYPE_30FPS 3 756 #define V4L2_TC_TYPE_50FPS 4 757 #define V4L2_TC_TYPE_60FPS 5 758 759 /* Flags */ 760 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 761 #define V4L2_TC_FLAG_COLORFRAME 0x0002 762 #define V4L2_TC_USERBITS_field 0x000C 763 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 764 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 765 /* The above is based on SMPTE timecodes */ 766 767 struct v4l2_jpegcompression { 768 int quality; 769 770 int APPn; /* Number of APP segment to be written, 771 * must be 0..15 */ 772 int APP_len; /* Length of data in JPEG APPn segment */ 773 char APP_data[60]; /* Data in the JPEG APPn segment. */ 774 775 int COM_len; /* Length of data in JPEG COM segment */ 776 char COM_data[60]; /* Data in JPEG COM segment */ 777 778 __u32 jpeg_markers; /* Which markers should go into the JPEG 779 * output. Unless you exactly know what 780 * you do, leave them untouched. 781 * Including less markers will make the 782 * resulting code smaller, but there will 783 * be fewer applications which can read it. 784 * The presence of the APP and COM marker 785 * is influenced by APP_len and COM_len 786 * ONLY, not by this property! */ 787 788 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 789 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 790 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 791 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 792 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 793 * always use APP0 */ 794 }; 795 796 /* 797 * M E M O R Y - M A P P I N G B U F F E R S 798 */ 799 struct v4l2_requestbuffers { 800 __u32 count; 801 __u32 type; /* enum v4l2_buf_type */ 802 __u32 memory; /* enum v4l2_memory */ 803 __u32 reserved[2]; 804 }; 805 806 /** 807 * struct v4l2_plane - plane info for multi-planar buffers 808 * @bytesused: number of bytes occupied by data in the plane (payload) 809 * @length: size of this plane (NOT the payload) in bytes 810 * @mem_offset: when memory in the associated struct v4l2_buffer is 811 * V4L2_MEMORY_MMAP, equals the offset from the start of 812 * the device memory for this plane (or is a "cookie" that 813 * should be passed to mmap() called on the video node) 814 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 815 * pointing to this plane 816 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 817 * descriptor associated with this plane 818 * @data_offset: offset in the plane to the start of data; usually 0, 819 * unless there is a header in front of the data 820 * 821 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 822 * with two planes can have one plane for Y, and another for interleaved CbCr 823 * components. Each plane can reside in a separate memory buffer, or even in 824 * a completely separate memory node (e.g. in embedded devices). 825 */ 826 struct v4l2_plane { 827 __u32 bytesused; 828 __u32 length; 829 union { 830 __u32 mem_offset; 831 unsigned long userptr; 832 __s32 fd; 833 } m; 834 __u32 data_offset; 835 __u32 reserved[11]; 836 }; 837 838 /** 839 * struct v4l2_buffer - video buffer info 840 * @index: id number of the buffer 841 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 842 * multiplanar buffers); 843 * @bytesused: number of bytes occupied by data in the buffer (payload); 844 * unused (set to 0) for multiplanar buffers 845 * @flags: buffer informational flags 846 * @field: enum v4l2_field; field order of the image in the buffer 847 * @timestamp: frame timestamp 848 * @timecode: frame timecode 849 * @sequence: sequence count of this frame 850 * @memory: enum v4l2_memory; the method, in which the actual video data is 851 * passed 852 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 853 * offset from the start of the device memory for this plane, 854 * (or a "cookie" that should be passed to mmap() as offset) 855 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 856 * a userspace pointer pointing to this buffer 857 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 858 * a userspace file descriptor associated with this buffer 859 * @planes: for multiplanar buffers; userspace pointer to the array of plane 860 * info structs for this buffer 861 * @length: size in bytes of the buffer (NOT its payload) for single-plane 862 * buffers (when type != *_MPLANE); number of elements in the 863 * planes array for multi-plane buffers 864 * 865 * Contains data exchanged by application and driver using one of the Streaming 866 * I/O methods. 867 */ 868 struct v4l2_buffer { 869 __u32 index; 870 __u32 type; 871 __u32 bytesused; 872 __u32 flags; 873 __u32 field; 874 struct timeval timestamp; 875 struct v4l2_timecode timecode; 876 __u32 sequence; 877 878 /* memory location */ 879 __u32 memory; 880 union { 881 __u32 offset; 882 unsigned long userptr; 883 struct v4l2_plane *planes; 884 __s32 fd; 885 } m; 886 __u32 length; 887 __u32 reserved2; 888 __u32 reserved; 889 }; 890 891 /* Flags for 'flags' field */ 892 /* Buffer is mapped (flag) */ 893 #define V4L2_BUF_FLAG_MAPPED 0x00000001 894 /* Buffer is queued for processing */ 895 #define V4L2_BUF_FLAG_QUEUED 0x00000002 896 /* Buffer is ready */ 897 #define V4L2_BUF_FLAG_DONE 0x00000004 898 /* Image is a keyframe (I-frame) */ 899 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 900 /* Image is a P-frame */ 901 #define V4L2_BUF_FLAG_PFRAME 0x00000010 902 /* Image is a B-frame */ 903 #define V4L2_BUF_FLAG_BFRAME 0x00000020 904 /* Buffer is ready, but the data contained within is corrupted. */ 905 #define V4L2_BUF_FLAG_ERROR 0x00000040 906 /* timecode field is valid */ 907 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 908 /* Buffer is prepared for queuing */ 909 #define V4L2_BUF_FLAG_PREPARED 0x00000400 910 /* Cache handling flags */ 911 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 912 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 913 /* Timestamp type */ 914 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 915 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 916 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 917 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 918 /* Timestamp sources. */ 919 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 920 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 921 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 922 /* mem2mem encoder/decoder */ 923 #define V4L2_BUF_FLAG_LAST 0x00100000 924 925 /** 926 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 927 * 928 * @index: id number of the buffer 929 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 930 * multiplanar buffers); 931 * @plane: index of the plane to be exported, 0 for single plane queues 932 * @flags: flags for newly created file, currently only O_CLOEXEC is 933 * supported, refer to manual of open syscall for more details 934 * @fd: file descriptor associated with DMABUF (set by driver) 935 * 936 * Contains data used for exporting a video buffer as DMABUF file descriptor. 937 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 938 * (identical to the cookie used to mmap() the buffer to userspace). All 939 * reserved fields must be set to zero. The field reserved0 is expected to 940 * become a structure 'type' allowing an alternative layout of the structure 941 * content. Therefore this field should not be used for any other extensions. 942 */ 943 struct v4l2_exportbuffer { 944 __u32 type; /* enum v4l2_buf_type */ 945 __u32 index; 946 __u32 plane; 947 __u32 flags; 948 __s32 fd; 949 __u32 reserved[11]; 950 }; 951 952 /* 953 * O V E R L A Y P R E V I E W 954 */ 955 struct v4l2_framebuffer { 956 __u32 capability; 957 __u32 flags; 958 /* FIXME: in theory we should pass something like PCI device + memory 959 * region + offset instead of some physical address */ 960 void *base; 961 struct { 962 __u32 width; 963 __u32 height; 964 __u32 pixelformat; 965 __u32 field; /* enum v4l2_field */ 966 __u32 bytesperline; /* for padding, zero if unused */ 967 __u32 sizeimage; 968 __u32 colorspace; /* enum v4l2_colorspace */ 969 __u32 priv; /* reserved field, set to 0 */ 970 } fmt; 971 }; 972 /* Flags for the 'capability' field. Read only */ 973 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 974 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 975 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 976 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 977 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 978 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 979 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 980 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 981 /* Flags for the 'flags' field. */ 982 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 983 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 984 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 985 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 986 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 987 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 988 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 989 990 struct v4l2_clip { 991 struct v4l2_rect c; 992 struct v4l2_clip __user *next; 993 }; 994 995 struct v4l2_window { 996 struct v4l2_rect w; 997 __u32 field; /* enum v4l2_field */ 998 __u32 chromakey; 999 struct v4l2_clip __user *clips; 1000 __u32 clipcount; 1001 void __user *bitmap; 1002 __u8 global_alpha; 1003 }; 1004 1005 /* 1006 * C A P T U R E P A R A M E T E R S 1007 */ 1008 struct v4l2_captureparm { 1009 __u32 capability; /* Supported modes */ 1010 __u32 capturemode; /* Current mode */ 1011 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1012 __u32 extendedmode; /* Driver-specific extensions */ 1013 __u32 readbuffers; /* # of buffers for read */ 1014 __u32 reserved[4]; 1015 }; 1016 1017 /* Flags for 'capability' and 'capturemode' fields */ 1018 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1019 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1020 1021 struct v4l2_outputparm { 1022 __u32 capability; /* Supported modes */ 1023 __u32 outputmode; /* Current mode */ 1024 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1025 __u32 extendedmode; /* Driver-specific extensions */ 1026 __u32 writebuffers; /* # of buffers for write */ 1027 __u32 reserved[4]; 1028 }; 1029 1030 /* 1031 * I N P U T I M A G E C R O P P I N G 1032 */ 1033 struct v4l2_cropcap { 1034 __u32 type; /* enum v4l2_buf_type */ 1035 struct v4l2_rect bounds; 1036 struct v4l2_rect defrect; 1037 struct v4l2_fract pixelaspect; 1038 }; 1039 1040 struct v4l2_crop { 1041 __u32 type; /* enum v4l2_buf_type */ 1042 struct v4l2_rect c; 1043 }; 1044 1045 /** 1046 * struct v4l2_selection - selection info 1047 * @type: buffer type (do not use *_MPLANE types) 1048 * @target: Selection target, used to choose one of possible rectangles; 1049 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1050 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1051 * @r: coordinates of selection window 1052 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1053 * 1054 * Hardware may use multiple helper windows to process a video stream. 1055 * The structure is used to exchange this selection areas between 1056 * an application and a driver. 1057 */ 1058 struct v4l2_selection { 1059 __u32 type; 1060 __u32 target; 1061 __u32 flags; 1062 struct v4l2_rect r; 1063 __u32 reserved[9]; 1064 }; 1065 1066 1067 /* 1068 * A N A L O G V I D E O S T A N D A R D 1069 */ 1070 1071 typedef __u64 v4l2_std_id; 1072 1073 /* one bit for each */ 1074 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1075 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1076 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1077 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1078 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1079 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1080 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1081 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1082 1083 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1084 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1085 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1086 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1087 1088 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1089 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1090 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1091 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1092 1093 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1094 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1095 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1096 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1097 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1098 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1099 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1100 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1101 1102 /* ATSC/HDTV */ 1103 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1104 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1105 1106 /* FIXME: 1107 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1108 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1109 this value to 32 bits. 1110 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1111 it should work fine. However, if needed to add more than two standards, 1112 v4l2-common.c should be fixed. 1113 */ 1114 1115 /* 1116 * Some macros to merge video standards in order to make live easier for the 1117 * drivers and V4L2 applications 1118 */ 1119 1120 /* 1121 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1122 * Missing here. 1123 */ 1124 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1125 V4L2_STD_NTSC_M_JP |\ 1126 V4L2_STD_NTSC_M_KR) 1127 /* Secam macros */ 1128 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1129 V4L2_STD_SECAM_K |\ 1130 V4L2_STD_SECAM_K1) 1131 /* All Secam Standards */ 1132 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1133 V4L2_STD_SECAM_G |\ 1134 V4L2_STD_SECAM_H |\ 1135 V4L2_STD_SECAM_DK |\ 1136 V4L2_STD_SECAM_L |\ 1137 V4L2_STD_SECAM_LC) 1138 /* PAL macros */ 1139 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1140 V4L2_STD_PAL_B1 |\ 1141 V4L2_STD_PAL_G) 1142 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1143 V4L2_STD_PAL_D1 |\ 1144 V4L2_STD_PAL_K) 1145 /* 1146 * "Common" PAL - This macro is there to be compatible with the old 1147 * V4L1 concept of "PAL": /BGDKHI. 1148 * Several PAL standards are missing here: /M, /N and /Nc 1149 */ 1150 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1151 V4L2_STD_PAL_DK |\ 1152 V4L2_STD_PAL_H |\ 1153 V4L2_STD_PAL_I) 1154 /* Chroma "agnostic" standards */ 1155 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1156 V4L2_STD_PAL_B1 |\ 1157 V4L2_STD_SECAM_B) 1158 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1159 V4L2_STD_SECAM_G) 1160 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1161 V4L2_STD_SECAM_H) 1162 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1163 V4L2_STD_SECAM_LC) 1164 #define V4L2_STD_GH (V4L2_STD_G |\ 1165 V4L2_STD_H) 1166 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1167 V4L2_STD_SECAM_DK) 1168 #define V4L2_STD_BG (V4L2_STD_B |\ 1169 V4L2_STD_G) 1170 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1171 V4L2_STD_PAL_N |\ 1172 V4L2_STD_PAL_Nc |\ 1173 V4L2_STD_NTSC) 1174 1175 /* Standards where MTS/BTSC stereo could be found */ 1176 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1177 V4L2_STD_PAL_M |\ 1178 V4L2_STD_PAL_N |\ 1179 V4L2_STD_PAL_Nc) 1180 1181 /* Standards for Countries with 60Hz Line frequency */ 1182 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1183 V4L2_STD_PAL_60 |\ 1184 V4L2_STD_NTSC |\ 1185 V4L2_STD_NTSC_443) 1186 /* Standards for Countries with 50Hz Line frequency */ 1187 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1188 V4L2_STD_PAL_N |\ 1189 V4L2_STD_PAL_Nc |\ 1190 V4L2_STD_SECAM) 1191 1192 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1193 V4L2_STD_ATSC_16_VSB) 1194 /* Macros with none and all analog standards */ 1195 #define V4L2_STD_UNKNOWN 0 1196 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1197 V4L2_STD_625_50) 1198 1199 struct v4l2_standard { 1200 __u32 index; 1201 v4l2_std_id id; 1202 __u8 name[24]; 1203 struct v4l2_fract frameperiod; /* Frames, not fields */ 1204 __u32 framelines; 1205 __u32 reserved[4]; 1206 }; 1207 1208 /* 1209 * D V B T T I M I N G S 1210 */ 1211 1212 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1213 * @width: total width of the active video in pixels 1214 * @height: total height of the active video in lines 1215 * @interlaced: Interlaced or progressive 1216 * @polarities: Positive or negative polarities 1217 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1218 * @hfrontporch:Horizontal front porch in pixels 1219 * @hsync: Horizontal Sync length in pixels 1220 * @hbackporch: Horizontal back porch in pixels 1221 * @vfrontporch:Vertical front porch in lines 1222 * @vsync: Vertical Sync length in lines 1223 * @vbackporch: Vertical back porch in lines 1224 * @il_vfrontporch:Vertical front porch for the even field 1225 * (aka field 2) of interlaced field formats 1226 * @il_vsync: Vertical Sync length for the even field 1227 * (aka field 2) of interlaced field formats 1228 * @il_vbackporch:Vertical back porch for the even field 1229 * (aka field 2) of interlaced field formats 1230 * @standards: Standards the timing belongs to 1231 * @flags: Flags 1232 * @reserved: Reserved fields, must be zeroed. 1233 * 1234 * A note regarding vertical interlaced timings: height refers to the total 1235 * height of the active video frame (= two fields). The blanking timings refer 1236 * to the blanking of each field. So the height of the total frame is 1237 * calculated as follows: 1238 * 1239 * tot_height = height + vfrontporch + vsync + vbackporch + 1240 * il_vfrontporch + il_vsync + il_vbackporch 1241 * 1242 * The active height of each field is height / 2. 1243 */ 1244 struct v4l2_bt_timings { 1245 __u32 width; 1246 __u32 height; 1247 __u32 interlaced; 1248 __u32 polarities; 1249 __u64 pixelclock; 1250 __u32 hfrontporch; 1251 __u32 hsync; 1252 __u32 hbackporch; 1253 __u32 vfrontporch; 1254 __u32 vsync; 1255 __u32 vbackporch; 1256 __u32 il_vfrontporch; 1257 __u32 il_vsync; 1258 __u32 il_vbackporch; 1259 __u32 standards; 1260 __u32 flags; 1261 __u32 reserved[14]; 1262 } __attribute__ ((packed)); 1263 1264 /* Interlaced or progressive format */ 1265 #define V4L2_DV_PROGRESSIVE 0 1266 #define V4L2_DV_INTERLACED 1 1267 1268 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1269 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1270 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1271 1272 /* Timings standards */ 1273 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1274 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1275 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1276 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1277 1278 /* Flags */ 1279 1280 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1281 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1282 intervals are reduced, allowing a higher resolution over the same 1283 bandwidth. This is a read-only flag. */ 1284 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1285 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1286 of six. These formats can be optionally played at 1 / 1.001 speed. 1287 This is a read-only flag. */ 1288 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1289 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1290 by receivers. 1291 If the framerate of the format is a multiple of six, then the pixelclock 1292 used to set up the transmitter is divided by 1.001 to make it compatible 1293 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1294 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1295 such frequencies, then the flag will also be cleared. */ 1296 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1297 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1298 longer and field 2 is really one half-line shorter, so each field has 1299 exactly the same number of half-lines. Whether half-lines can be detected 1300 or used depends on the hardware. */ 1301 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1302 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1303 * differ from other formats (commonly called IT formats) in that if RGB 1304 * encoding is used then by default the RGB values use limited range (i.e. 1305 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1306 * except for the 640x480 format are CE formats. */ 1307 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1308 1309 /* A few useful defines to calculate the total blanking and frame sizes */ 1310 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1311 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1312 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1313 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1314 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1315 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1316 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1317 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1318 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1319 1320 /** struct v4l2_dv_timings - DV timings 1321 * @type: the type of the timings 1322 * @bt: BT656/1120 timings 1323 */ 1324 struct v4l2_dv_timings { 1325 __u32 type; 1326 union { 1327 struct v4l2_bt_timings bt; 1328 __u32 reserved[32]; 1329 }; 1330 } __attribute__ ((packed)); 1331 1332 /* Values for the type field */ 1333 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1334 1335 1336 /** struct v4l2_enum_dv_timings - DV timings enumeration 1337 * @index: enumeration index 1338 * @pad: the pad number for which to enumerate timings (used with 1339 * v4l-subdev nodes only) 1340 * @reserved: must be zeroed 1341 * @timings: the timings for the given index 1342 */ 1343 struct v4l2_enum_dv_timings { 1344 __u32 index; 1345 __u32 pad; 1346 __u32 reserved[2]; 1347 struct v4l2_dv_timings timings; 1348 }; 1349 1350 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1351 * @min_width: width in pixels 1352 * @max_width: width in pixels 1353 * @min_height: height in lines 1354 * @max_height: height in lines 1355 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1356 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1357 * @standards: Supported standards 1358 * @capabilities: Supported capabilities 1359 * @reserved: Must be zeroed 1360 */ 1361 struct v4l2_bt_timings_cap { 1362 __u32 min_width; 1363 __u32 max_width; 1364 __u32 min_height; 1365 __u32 max_height; 1366 __u64 min_pixelclock; 1367 __u64 max_pixelclock; 1368 __u32 standards; 1369 __u32 capabilities; 1370 __u32 reserved[16]; 1371 } __attribute__ ((packed)); 1372 1373 /* Supports interlaced formats */ 1374 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1375 /* Supports progressive formats */ 1376 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1377 /* Supports CVT/GTF reduced blanking */ 1378 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1379 /* Supports custom formats */ 1380 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1381 1382 /** struct v4l2_dv_timings_cap - DV timings capabilities 1383 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1384 * @pad: the pad number for which to query capabilities (used with 1385 * v4l-subdev nodes only) 1386 * @bt: the BT656/1120 timings capabilities 1387 */ 1388 struct v4l2_dv_timings_cap { 1389 __u32 type; 1390 __u32 pad; 1391 __u32 reserved[2]; 1392 union { 1393 struct v4l2_bt_timings_cap bt; 1394 __u32 raw_data[32]; 1395 }; 1396 }; 1397 1398 1399 /* 1400 * V I D E O I N P U T S 1401 */ 1402 struct v4l2_input { 1403 __u32 index; /* Which input */ 1404 __u8 name[32]; /* Label */ 1405 __u32 type; /* Type of input */ 1406 __u32 audioset; /* Associated audios (bitfield) */ 1407 __u32 tuner; /* enum v4l2_tuner_type */ 1408 v4l2_std_id std; 1409 __u32 status; 1410 __u32 capabilities; 1411 __u32 reserved[3]; 1412 }; 1413 1414 /* Values for the 'type' field */ 1415 #define V4L2_INPUT_TYPE_TUNER 1 1416 #define V4L2_INPUT_TYPE_CAMERA 2 1417 #define V4L2_INPUT_TYPE_TOUCH 3 1418 1419 /* field 'status' - general */ 1420 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1421 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1422 #define V4L2_IN_ST_NO_COLOR 0x00000004 1423 1424 /* field 'status' - sensor orientation */ 1425 /* If sensor is mounted upside down set both bits */ 1426 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1427 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1428 1429 /* field 'status' - analog */ 1430 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1431 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1432 1433 /* field 'status' - digital */ 1434 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1435 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1436 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1437 1438 /* field 'status' - VCR and set-top box */ 1439 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1440 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1441 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1442 1443 /* capabilities flags */ 1444 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1445 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1446 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1447 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1448 1449 /* 1450 * V I D E O O U T P U T S 1451 */ 1452 struct v4l2_output { 1453 __u32 index; /* Which output */ 1454 __u8 name[32]; /* Label */ 1455 __u32 type; /* Type of output */ 1456 __u32 audioset; /* Associated audios (bitfield) */ 1457 __u32 modulator; /* Associated modulator */ 1458 v4l2_std_id std; 1459 __u32 capabilities; 1460 __u32 reserved[3]; 1461 }; 1462 /* Values for the 'type' field */ 1463 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1464 #define V4L2_OUTPUT_TYPE_ANALOG 2 1465 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1466 1467 /* capabilities flags */ 1468 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1469 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1470 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1471 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1472 1473 /* 1474 * C O N T R O L S 1475 */ 1476 struct v4l2_control { 1477 __u32 id; 1478 __s32 value; 1479 }; 1480 1481 struct v4l2_ext_control { 1482 __u32 id; 1483 __u32 size; 1484 __u32 reserved2[1]; 1485 union { 1486 __s32 value; 1487 __s64 value64; 1488 char __user *string; 1489 __u8 __user *p_u8; 1490 __u16 __user *p_u16; 1491 __u32 __user *p_u32; 1492 void __user *ptr; 1493 }; 1494 } __attribute__ ((packed)); 1495 1496 struct v4l2_ext_controls { 1497 union { 1498 #ifndef __KERNEL__ 1499 __u32 ctrl_class; 1500 #endif 1501 __u32 which; 1502 }; 1503 __u32 count; 1504 __u32 error_idx; 1505 __u32 reserved[2]; 1506 struct v4l2_ext_control *controls; 1507 }; 1508 1509 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1510 #ifndef __KERNEL__ 1511 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1512 #endif 1513 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1514 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1515 #define V4L2_CTRL_MAX_DIMS (4) 1516 #define V4L2_CTRL_WHICH_CUR_VAL 0 1517 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1518 1519 enum v4l2_ctrl_type { 1520 V4L2_CTRL_TYPE_INTEGER = 1, 1521 V4L2_CTRL_TYPE_BOOLEAN = 2, 1522 V4L2_CTRL_TYPE_MENU = 3, 1523 V4L2_CTRL_TYPE_BUTTON = 4, 1524 V4L2_CTRL_TYPE_INTEGER64 = 5, 1525 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1526 V4L2_CTRL_TYPE_STRING = 7, 1527 V4L2_CTRL_TYPE_BITMASK = 8, 1528 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1529 1530 /* Compound types are >= 0x0100 */ 1531 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1532 V4L2_CTRL_TYPE_U8 = 0x0100, 1533 V4L2_CTRL_TYPE_U16 = 0x0101, 1534 V4L2_CTRL_TYPE_U32 = 0x0102, 1535 }; 1536 1537 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1538 struct v4l2_queryctrl { 1539 __u32 id; 1540 __u32 type; /* enum v4l2_ctrl_type */ 1541 __u8 name[32]; /* Whatever */ 1542 __s32 minimum; /* Note signedness */ 1543 __s32 maximum; 1544 __s32 step; 1545 __s32 default_value; 1546 __u32 flags; 1547 __u32 reserved[2]; 1548 }; 1549 1550 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1551 struct v4l2_query_ext_ctrl { 1552 __u32 id; 1553 __u32 type; 1554 char name[32]; 1555 __s64 minimum; 1556 __s64 maximum; 1557 __u64 step; 1558 __s64 default_value; 1559 __u32 flags; 1560 __u32 elem_size; 1561 __u32 elems; 1562 __u32 nr_of_dims; 1563 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1564 __u32 reserved[32]; 1565 }; 1566 1567 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1568 struct v4l2_querymenu { 1569 __u32 id; 1570 __u32 index; 1571 union { 1572 __u8 name[32]; /* Whatever */ 1573 __s64 value; 1574 }; 1575 __u32 reserved; 1576 } __attribute__ ((packed)); 1577 1578 /* Control flags */ 1579 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1580 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1581 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1582 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1583 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1584 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1585 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1586 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1587 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1588 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1589 1590 /* Query flags, to be ORed with the control ID */ 1591 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1592 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1593 1594 /* User-class control IDs defined by V4L2 */ 1595 #define V4L2_CID_MAX_CTRLS 1024 1596 /* IDs reserved for driver specific controls */ 1597 #define V4L2_CID_PRIVATE_BASE 0x08000000 1598 1599 1600 /* 1601 * T U N I N G 1602 */ 1603 struct v4l2_tuner { 1604 __u32 index; 1605 __u8 name[32]; 1606 __u32 type; /* enum v4l2_tuner_type */ 1607 __u32 capability; 1608 __u32 rangelow; 1609 __u32 rangehigh; 1610 __u32 rxsubchans; 1611 __u32 audmode; 1612 __s32 signal; 1613 __s32 afc; 1614 __u32 reserved[4]; 1615 }; 1616 1617 struct v4l2_modulator { 1618 __u32 index; 1619 __u8 name[32]; 1620 __u32 capability; 1621 __u32 rangelow; 1622 __u32 rangehigh; 1623 __u32 txsubchans; 1624 __u32 type; /* enum v4l2_tuner_type */ 1625 __u32 reserved[3]; 1626 }; 1627 1628 /* Flags for the 'capability' field */ 1629 #define V4L2_TUNER_CAP_LOW 0x0001 1630 #define V4L2_TUNER_CAP_NORM 0x0002 1631 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1632 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1633 #define V4L2_TUNER_CAP_STEREO 0x0010 1634 #define V4L2_TUNER_CAP_LANG2 0x0020 1635 #define V4L2_TUNER_CAP_SAP 0x0020 1636 #define V4L2_TUNER_CAP_LANG1 0x0040 1637 #define V4L2_TUNER_CAP_RDS 0x0080 1638 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1639 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1640 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1641 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1642 #define V4L2_TUNER_CAP_1HZ 0x1000 1643 1644 /* Flags for the 'rxsubchans' field */ 1645 #define V4L2_TUNER_SUB_MONO 0x0001 1646 #define V4L2_TUNER_SUB_STEREO 0x0002 1647 #define V4L2_TUNER_SUB_LANG2 0x0004 1648 #define V4L2_TUNER_SUB_SAP 0x0004 1649 #define V4L2_TUNER_SUB_LANG1 0x0008 1650 #define V4L2_TUNER_SUB_RDS 0x0010 1651 1652 /* Values for the 'audmode' field */ 1653 #define V4L2_TUNER_MODE_MONO 0x0000 1654 #define V4L2_TUNER_MODE_STEREO 0x0001 1655 #define V4L2_TUNER_MODE_LANG2 0x0002 1656 #define V4L2_TUNER_MODE_SAP 0x0002 1657 #define V4L2_TUNER_MODE_LANG1 0x0003 1658 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1659 1660 struct v4l2_frequency { 1661 __u32 tuner; 1662 __u32 type; /* enum v4l2_tuner_type */ 1663 __u32 frequency; 1664 __u32 reserved[8]; 1665 }; 1666 1667 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1668 #define V4L2_BAND_MODULATION_FM (1 << 2) 1669 #define V4L2_BAND_MODULATION_AM (1 << 3) 1670 1671 struct v4l2_frequency_band { 1672 __u32 tuner; 1673 __u32 type; /* enum v4l2_tuner_type */ 1674 __u32 index; 1675 __u32 capability; 1676 __u32 rangelow; 1677 __u32 rangehigh; 1678 __u32 modulation; 1679 __u32 reserved[9]; 1680 }; 1681 1682 struct v4l2_hw_freq_seek { 1683 __u32 tuner; 1684 __u32 type; /* enum v4l2_tuner_type */ 1685 __u32 seek_upward; 1686 __u32 wrap_around; 1687 __u32 spacing; 1688 __u32 rangelow; 1689 __u32 rangehigh; 1690 __u32 reserved[5]; 1691 }; 1692 1693 /* 1694 * R D S 1695 */ 1696 1697 struct v4l2_rds_data { 1698 __u8 lsb; 1699 __u8 msb; 1700 __u8 block; 1701 } __attribute__ ((packed)); 1702 1703 #define V4L2_RDS_BLOCK_MSK 0x7 1704 #define V4L2_RDS_BLOCK_A 0 1705 #define V4L2_RDS_BLOCK_B 1 1706 #define V4L2_RDS_BLOCK_C 2 1707 #define V4L2_RDS_BLOCK_D 3 1708 #define V4L2_RDS_BLOCK_C_ALT 4 1709 #define V4L2_RDS_BLOCK_INVALID 7 1710 1711 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1712 #define V4L2_RDS_BLOCK_ERROR 0x80 1713 1714 /* 1715 * A U D I O 1716 */ 1717 struct v4l2_audio { 1718 __u32 index; 1719 __u8 name[32]; 1720 __u32 capability; 1721 __u32 mode; 1722 __u32 reserved[2]; 1723 }; 1724 1725 /* Flags for the 'capability' field */ 1726 #define V4L2_AUDCAP_STEREO 0x00001 1727 #define V4L2_AUDCAP_AVL 0x00002 1728 1729 /* Flags for the 'mode' field */ 1730 #define V4L2_AUDMODE_AVL 0x00001 1731 1732 struct v4l2_audioout { 1733 __u32 index; 1734 __u8 name[32]; 1735 __u32 capability; 1736 __u32 mode; 1737 __u32 reserved[2]; 1738 }; 1739 1740 /* 1741 * M P E G S E R V I C E S 1742 */ 1743 #if 1 1744 #define V4L2_ENC_IDX_FRAME_I (0) 1745 #define V4L2_ENC_IDX_FRAME_P (1) 1746 #define V4L2_ENC_IDX_FRAME_B (2) 1747 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1748 1749 struct v4l2_enc_idx_entry { 1750 __u64 offset; 1751 __u64 pts; 1752 __u32 length; 1753 __u32 flags; 1754 __u32 reserved[2]; 1755 }; 1756 1757 #define V4L2_ENC_IDX_ENTRIES (64) 1758 struct v4l2_enc_idx { 1759 __u32 entries; 1760 __u32 entries_cap; 1761 __u32 reserved[4]; 1762 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1763 }; 1764 1765 1766 #define V4L2_ENC_CMD_START (0) 1767 #define V4L2_ENC_CMD_STOP (1) 1768 #define V4L2_ENC_CMD_PAUSE (2) 1769 #define V4L2_ENC_CMD_RESUME (3) 1770 1771 /* Flags for V4L2_ENC_CMD_STOP */ 1772 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1773 1774 struct v4l2_encoder_cmd { 1775 __u32 cmd; 1776 __u32 flags; 1777 union { 1778 struct { 1779 __u32 data[8]; 1780 } raw; 1781 }; 1782 }; 1783 1784 /* Decoder commands */ 1785 #define V4L2_DEC_CMD_START (0) 1786 #define V4L2_DEC_CMD_STOP (1) 1787 #define V4L2_DEC_CMD_PAUSE (2) 1788 #define V4L2_DEC_CMD_RESUME (3) 1789 1790 /* Flags for V4L2_DEC_CMD_START */ 1791 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1792 1793 /* Flags for V4L2_DEC_CMD_PAUSE */ 1794 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1795 1796 /* Flags for V4L2_DEC_CMD_STOP */ 1797 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1798 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1799 1800 /* Play format requirements (returned by the driver): */ 1801 1802 /* The decoder has no special format requirements */ 1803 #define V4L2_DEC_START_FMT_NONE (0) 1804 /* The decoder requires full GOPs */ 1805 #define V4L2_DEC_START_FMT_GOP (1) 1806 1807 /* The structure must be zeroed before use by the application 1808 This ensures it can be extended safely in the future. */ 1809 struct v4l2_decoder_cmd { 1810 __u32 cmd; 1811 __u32 flags; 1812 union { 1813 struct { 1814 __u64 pts; 1815 } stop; 1816 1817 struct { 1818 /* 0 or 1000 specifies normal speed, 1819 1 specifies forward single stepping, 1820 -1 specifies backward single stepping, 1821 >1: playback at speed/1000 of the normal speed, 1822 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1823 __s32 speed; 1824 __u32 format; 1825 } start; 1826 1827 struct { 1828 __u32 data[16]; 1829 } raw; 1830 }; 1831 }; 1832 #endif 1833 1834 1835 /* 1836 * D A T A S E R V I C E S ( V B I ) 1837 * 1838 * Data services API by Michael Schimek 1839 */ 1840 1841 /* Raw VBI */ 1842 struct v4l2_vbi_format { 1843 __u32 sampling_rate; /* in 1 Hz */ 1844 __u32 offset; 1845 __u32 samples_per_line; 1846 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1847 __s32 start[2]; 1848 __u32 count[2]; 1849 __u32 flags; /* V4L2_VBI_* */ 1850 __u32 reserved[2]; /* must be zero */ 1851 }; 1852 1853 /* VBI flags */ 1854 #define V4L2_VBI_UNSYNC (1 << 0) 1855 #define V4L2_VBI_INTERLACED (1 << 1) 1856 1857 /* ITU-R start lines for each field */ 1858 #define V4L2_VBI_ITU_525_F1_START (1) 1859 #define V4L2_VBI_ITU_525_F2_START (264) 1860 #define V4L2_VBI_ITU_625_F1_START (1) 1861 #define V4L2_VBI_ITU_625_F2_START (314) 1862 1863 /* Sliced VBI 1864 * 1865 * This implements is a proposal V4L2 API to allow SLICED VBI 1866 * required for some hardware encoders. It should change without 1867 * notice in the definitive implementation. 1868 */ 1869 1870 struct v4l2_sliced_vbi_format { 1871 __u16 service_set; 1872 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1873 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1874 (equals frame lines 313-336 for 625 line video 1875 standards, 263-286 for 525 line standards) */ 1876 __u16 service_lines[2][24]; 1877 __u32 io_size; 1878 __u32 reserved[2]; /* must be zero */ 1879 }; 1880 1881 /* Teletext World System Teletext 1882 (WST), defined on ITU-R BT.653-2 */ 1883 #define V4L2_SLICED_TELETEXT_B (0x0001) 1884 /* Video Program System, defined on ETS 300 231*/ 1885 #define V4L2_SLICED_VPS (0x0400) 1886 /* Closed Caption, defined on EIA-608 */ 1887 #define V4L2_SLICED_CAPTION_525 (0x1000) 1888 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1889 #define V4L2_SLICED_WSS_625 (0x4000) 1890 1891 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1892 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1893 1894 struct v4l2_sliced_vbi_cap { 1895 __u16 service_set; 1896 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1897 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1898 (equals frame lines 313-336 for 625 line video 1899 standards, 263-286 for 525 line standards) */ 1900 __u16 service_lines[2][24]; 1901 __u32 type; /* enum v4l2_buf_type */ 1902 __u32 reserved[3]; /* must be 0 */ 1903 }; 1904 1905 struct v4l2_sliced_vbi_data { 1906 __u32 id; 1907 __u32 field; /* 0: first field, 1: second field */ 1908 __u32 line; /* 1-23 */ 1909 __u32 reserved; /* must be 0 */ 1910 __u8 data[48]; 1911 }; 1912 1913 /* 1914 * Sliced VBI data inserted into MPEG Streams 1915 */ 1916 1917 /* 1918 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1919 * 1920 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1921 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1922 * data 1923 * 1924 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1925 * definitions are not included here. See the MPEG-2 specifications for details 1926 * on these headers. 1927 */ 1928 1929 /* Line type IDs */ 1930 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1931 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1932 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1933 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1934 1935 struct v4l2_mpeg_vbi_itv0_line { 1936 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1937 __u8 data[42]; /* Sliced VBI data for the line */ 1938 } __attribute__ ((packed)); 1939 1940 struct v4l2_mpeg_vbi_itv0 { 1941 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1942 struct v4l2_mpeg_vbi_itv0_line line[35]; 1943 } __attribute__ ((packed)); 1944 1945 struct v4l2_mpeg_vbi_ITV0 { 1946 struct v4l2_mpeg_vbi_itv0_line line[36]; 1947 } __attribute__ ((packed)); 1948 1949 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1950 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1951 1952 struct v4l2_mpeg_vbi_fmt_ivtv { 1953 __u8 magic[4]; 1954 union { 1955 struct v4l2_mpeg_vbi_itv0 itv0; 1956 struct v4l2_mpeg_vbi_ITV0 ITV0; 1957 }; 1958 } __attribute__ ((packed)); 1959 1960 /* 1961 * A G G R E G A T E S T R U C T U R E S 1962 */ 1963 1964 /** 1965 * struct v4l2_plane_pix_format - additional, per-plane format definition 1966 * @sizeimage: maximum size in bytes required for data, for which 1967 * this plane will be used 1968 * @bytesperline: distance in bytes between the leftmost pixels in two 1969 * adjacent lines 1970 */ 1971 struct v4l2_plane_pix_format { 1972 __u32 sizeimage; 1973 __u32 bytesperline; 1974 __u16 reserved[6]; 1975 } __attribute__ ((packed)); 1976 1977 /** 1978 * struct v4l2_pix_format_mplane - multiplanar format definition 1979 * @width: image width in pixels 1980 * @height: image height in pixels 1981 * @pixelformat: little endian four character code (fourcc) 1982 * @field: enum v4l2_field; field order (for interlaced video) 1983 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1984 * @plane_fmt: per-plane information 1985 * @num_planes: number of planes for this format 1986 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1987 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1988 * @quantization: enum v4l2_quantization, colorspace quantization 1989 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 1990 */ 1991 struct v4l2_pix_format_mplane { 1992 __u32 width; 1993 __u32 height; 1994 __u32 pixelformat; 1995 __u32 field; 1996 __u32 colorspace; 1997 1998 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1999 __u8 num_planes; 2000 __u8 flags; 2001 __u8 ycbcr_enc; 2002 __u8 quantization; 2003 __u8 xfer_func; 2004 __u8 reserved[7]; 2005 } __attribute__ ((packed)); 2006 2007 /** 2008 * struct v4l2_sdr_format - SDR format definition 2009 * @pixelformat: little endian four character code (fourcc) 2010 * @buffersize: maximum size in bytes required for data 2011 */ 2012 struct v4l2_sdr_format { 2013 __u32 pixelformat; 2014 __u32 buffersize; 2015 __u8 reserved[24]; 2016 } __attribute__ ((packed)); 2017 2018 /** 2019 * struct v4l2_format - stream data format 2020 * @type: enum v4l2_buf_type; type of the data stream 2021 * @pix: definition of an image format 2022 * @pix_mp: definition of a multiplanar image format 2023 * @win: definition of an overlaid image 2024 * @vbi: raw VBI capture or output parameters 2025 * @sliced: sliced VBI capture or output parameters 2026 * @raw_data: placeholder for future extensions and custom formats 2027 */ 2028 struct v4l2_format { 2029 __u32 type; 2030 union { 2031 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2032 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2033 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2034 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2035 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2036 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2037 __u8 raw_data[200]; /* user-defined */ 2038 } fmt; 2039 }; 2040 2041 /* Stream type-dependent parameters 2042 */ 2043 struct v4l2_streamparm { 2044 __u32 type; /* enum v4l2_buf_type */ 2045 union { 2046 struct v4l2_captureparm capture; 2047 struct v4l2_outputparm output; 2048 __u8 raw_data[200]; /* user-defined */ 2049 } parm; 2050 }; 2051 2052 /* 2053 * E V E N T S 2054 */ 2055 2056 #define V4L2_EVENT_ALL 0 2057 #define V4L2_EVENT_VSYNC 1 2058 #define V4L2_EVENT_EOS 2 2059 #define V4L2_EVENT_CTRL 3 2060 #define V4L2_EVENT_FRAME_SYNC 4 2061 #define V4L2_EVENT_SOURCE_CHANGE 5 2062 #define V4L2_EVENT_MOTION_DET 6 2063 #define V4L2_EVENT_PRIVATE_START 0x08000000 2064 2065 /* Payload for V4L2_EVENT_VSYNC */ 2066 struct v4l2_event_vsync { 2067 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2068 __u8 field; 2069 } __attribute__ ((packed)); 2070 2071 /* Payload for V4L2_EVENT_CTRL */ 2072 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2073 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2074 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2075 2076 struct v4l2_event_ctrl { 2077 __u32 changes; 2078 __u32 type; 2079 union { 2080 __s32 value; 2081 __s64 value64; 2082 }; 2083 __u32 flags; 2084 __s32 minimum; 2085 __s32 maximum; 2086 __s32 step; 2087 __s32 default_value; 2088 }; 2089 2090 struct v4l2_event_frame_sync { 2091 __u32 frame_sequence; 2092 }; 2093 2094 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2095 2096 struct v4l2_event_src_change { 2097 __u32 changes; 2098 }; 2099 2100 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2101 2102 /** 2103 * struct v4l2_event_motion_det - motion detection event 2104 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2105 * frame_sequence field is valid. 2106 * @frame_sequence: the frame sequence number associated with this event. 2107 * @region_mask: which regions detected motion. 2108 */ 2109 struct v4l2_event_motion_det { 2110 __u32 flags; 2111 __u32 frame_sequence; 2112 __u32 region_mask; 2113 }; 2114 2115 struct v4l2_event { 2116 __u32 type; 2117 union { 2118 struct v4l2_event_vsync vsync; 2119 struct v4l2_event_ctrl ctrl; 2120 struct v4l2_event_frame_sync frame_sync; 2121 struct v4l2_event_src_change src_change; 2122 struct v4l2_event_motion_det motion_det; 2123 __u8 data[64]; 2124 } u; 2125 __u32 pending; 2126 __u32 sequence; 2127 struct timespec timestamp; 2128 __u32 id; 2129 __u32 reserved[8]; 2130 }; 2131 2132 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2133 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2134 2135 struct v4l2_event_subscription { 2136 __u32 type; 2137 __u32 id; 2138 __u32 flags; 2139 __u32 reserved[5]; 2140 }; 2141 2142 /* 2143 * A D V A N C E D D E B U G G I N G 2144 * 2145 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2146 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2147 */ 2148 2149 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2150 2151 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2152 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2153 2154 /* The following four defines are no longer in use */ 2155 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2156 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2157 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2158 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2159 2160 struct v4l2_dbg_match { 2161 __u32 type; /* Match type */ 2162 union { /* Match this chip, meaning determined by type */ 2163 __u32 addr; 2164 char name[32]; 2165 }; 2166 } __attribute__ ((packed)); 2167 2168 struct v4l2_dbg_register { 2169 struct v4l2_dbg_match match; 2170 __u32 size; /* register size in bytes */ 2171 __u64 reg; 2172 __u64 val; 2173 } __attribute__ ((packed)); 2174 2175 #define V4L2_CHIP_FL_READABLE (1 << 0) 2176 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2177 2178 /* VIDIOC_DBG_G_CHIP_INFO */ 2179 struct v4l2_dbg_chip_info { 2180 struct v4l2_dbg_match match; 2181 char name[32]; 2182 __u32 flags; 2183 __u32 reserved[32]; 2184 } __attribute__ ((packed)); 2185 2186 /** 2187 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2188 * @index: on return, index of the first created buffer 2189 * @count: entry: number of requested buffers, 2190 * return: number of created buffers 2191 * @memory: enum v4l2_memory; buffer memory type 2192 * @format: frame format, for which buffers are requested 2193 * @reserved: future extensions 2194 */ 2195 struct v4l2_create_buffers { 2196 __u32 index; 2197 __u32 count; 2198 __u32 memory; 2199 struct v4l2_format format; 2200 __u32 reserved[8]; 2201 }; 2202 2203 /* 2204 * 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 2205 * 2206 */ 2207 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2208 #define VIDIOC_RESERVED _IO('V', 1) 2209 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2210 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2211 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2212 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2213 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2214 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2215 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2216 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2217 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2218 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2219 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2220 #define VIDIOC_STREAMON _IOW('V', 18, int) 2221 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2222 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2223 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2224 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2225 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2226 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2227 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2228 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2229 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2230 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2231 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2232 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2233 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2234 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2235 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2236 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2237 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2238 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2239 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2240 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2241 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2242 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2243 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2244 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2245 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2246 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2247 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2248 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2249 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2250 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2251 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2252 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2253 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2254 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2255 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2256 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2257 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2258 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2259 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2260 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2261 #define VIDIOC_LOG_STATUS _IO('V', 70) 2262 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2263 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2264 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2265 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2266 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2267 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2268 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2269 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2270 2271 /* 2272 * Experimental, meant for debugging, testing and internal use. 2273 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2274 * You must be root to use these ioctls. Never use these in applications! 2275 */ 2276 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2277 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2278 2279 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2280 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2281 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2282 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2283 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2284 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2285 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2286 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2287 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2288 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2289 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2290 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2291 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2292 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2293 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2294 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2295 2296 /* 2297 * Experimental, meant for debugging, testing and internal use. 2298 * Never use this in applications! 2299 */ 2300 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2301 2302 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2303 2304 /* Reminder: when adding new ioctls please add support for them to 2305 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2306 2307 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2308 2309 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2310