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 <bill@thedirks.org> 52 * Justin Schoeman 53 * Hans Verkuil <hverkuil@xs4all.nl> 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, XV601 or XV709: those 353 * 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 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 370 371 enum v4l2_priority { 372 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 373 V4L2_PRIORITY_BACKGROUND = 1, 374 V4L2_PRIORITY_INTERACTIVE = 2, 375 V4L2_PRIORITY_RECORD = 3, 376 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 377 }; 378 379 struct v4l2_rect { 380 __s32 left; 381 __s32 top; 382 __u32 width; 383 __u32 height; 384 }; 385 386 struct v4l2_fract { 387 __u32 numerator; 388 __u32 denominator; 389 }; 390 391 /** 392 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 393 * 394 * @driver: name of the driver module (e.g. "bttv") 395 * @card: name of the card (e.g. "Hauppauge WinTV") 396 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 397 * @version: KERNEL_VERSION 398 * @capabilities: capabilities of the physical device as a whole 399 * @device_caps: capabilities accessed via this particular device (node) 400 * @reserved: reserved fields for future extensions 401 */ 402 struct v4l2_capability { 403 __u8 driver[16]; 404 __u8 card[32]; 405 __u8 bus_info[32]; 406 __u32 version; 407 __u32 capabilities; 408 __u32 device_caps; 409 __u32 reserved[3]; 410 }; 411 412 /* Values for 'capabilities' field */ 413 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 414 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 415 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 416 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 417 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 418 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 419 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 420 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 421 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 422 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 423 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 424 425 /* Is a video capture device that supports multiplanar formats */ 426 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 427 /* Is a video output device that supports multiplanar formats */ 428 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 429 /* Is a video mem-to-mem device that supports multiplanar formats */ 430 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 431 /* Is a video mem-to-mem device */ 432 #define V4L2_CAP_VIDEO_M2M 0x00008000 433 434 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 435 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 436 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 437 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 438 439 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 440 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 441 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 442 443 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 444 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 445 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 446 447 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 448 449 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 450 451 /* 452 * V I D E O I M A G E F O R M A T 453 */ 454 struct v4l2_pix_format { 455 __u32 width; 456 __u32 height; 457 __u32 pixelformat; 458 __u32 field; /* enum v4l2_field */ 459 __u32 bytesperline; /* for padding, zero if unused */ 460 __u32 sizeimage; 461 __u32 colorspace; /* enum v4l2_colorspace */ 462 __u32 priv; /* private data, depends on pixelformat */ 463 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 464 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 465 __u32 quantization; /* enum v4l2_quantization */ 466 __u32 xfer_func; /* enum v4l2_xfer_func */ 467 }; 468 469 /* Pixel format FOURCC depth Description */ 470 471 /* RGB formats */ 472 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 473 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 474 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 475 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 476 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 477 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 478 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 479 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 480 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 481 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 482 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 483 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 484 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 485 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 486 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 487 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 488 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 489 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 490 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 491 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 492 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 493 494 /* Grey formats */ 495 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 496 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 497 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 498 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 499 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 500 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 501 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 502 503 /* Grey bit-packed formats */ 504 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 505 506 /* Palette formats */ 507 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 508 509 /* Chrominance formats */ 510 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 511 512 /* Luminance+Chrominance formats */ 513 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 514 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 515 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 516 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 517 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 518 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 519 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 520 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 521 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 522 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 523 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 524 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 525 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 526 527 /* two planes -- one Y, one Cr + Cb interleaved */ 528 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 529 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 530 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 531 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 532 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 533 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 534 535 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 536 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 537 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 538 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 539 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 540 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 541 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 542 543 /* three planes - Y Cb, Cr */ 544 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 545 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 546 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 547 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 548 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 549 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 550 551 /* three non contiguous planes - Y, Cb, Cr */ 552 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 553 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 554 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 555 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 556 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 557 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 558 559 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 560 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 561 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 562 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 563 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 564 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 565 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 566 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 567 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 568 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 569 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 570 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 571 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 572 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 573 /* 10bit raw bayer a-law compressed to 8 bits */ 574 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 575 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 576 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 577 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 578 /* 10bit raw bayer DPCM compressed to 8 bits */ 579 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 580 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 581 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 582 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 583 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 584 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 585 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 586 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 587 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 588 589 /* compressed formats */ 590 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 591 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 592 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 593 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 594 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 595 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 596 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 597 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 598 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 599 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 600 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 601 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 602 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 603 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 604 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 605 606 /* Vendor-specific formats */ 607 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 608 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 609 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 610 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 611 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 612 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 613 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 614 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 615 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 616 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 617 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 618 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 619 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 620 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 621 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 622 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 623 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 624 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 625 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 626 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 627 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 628 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 629 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 630 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 631 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 632 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 633 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 634 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 635 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 636 637 /* SDR formats - used only for Software Defined Radio devices */ 638 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 639 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 640 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 641 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 642 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 643 644 /* Touch formats - used for Touch devices */ 645 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 646 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 647 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 648 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 649 650 /* priv field value to indicates that subsequent fields are valid. */ 651 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 652 653 /* Flags */ 654 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 655 656 /* 657 * F O R M A T E N U M E R A T I O N 658 */ 659 struct v4l2_fmtdesc { 660 __u32 index; /* Format number */ 661 __u32 type; /* enum v4l2_buf_type */ 662 __u32 flags; 663 __u8 description[32]; /* Description string */ 664 __u32 pixelformat; /* Format fourcc */ 665 __u32 reserved[4]; 666 }; 667 668 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 669 #define V4L2_FMT_FLAG_EMULATED 0x0002 670 671 /* Frame Size and frame rate enumeration */ 672 /* 673 * F R A M E S I Z E E N U M E R A T I O N 674 */ 675 enum v4l2_frmsizetypes { 676 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 677 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 678 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 679 }; 680 681 struct v4l2_frmsize_discrete { 682 __u32 width; /* Frame width [pixel] */ 683 __u32 height; /* Frame height [pixel] */ 684 }; 685 686 struct v4l2_frmsize_stepwise { 687 __u32 min_width; /* Minimum frame width [pixel] */ 688 __u32 max_width; /* Maximum frame width [pixel] */ 689 __u32 step_width; /* Frame width step size [pixel] */ 690 __u32 min_height; /* Minimum frame height [pixel] */ 691 __u32 max_height; /* Maximum frame height [pixel] */ 692 __u32 step_height; /* Frame height step size [pixel] */ 693 }; 694 695 struct v4l2_frmsizeenum { 696 __u32 index; /* Frame size number */ 697 __u32 pixel_format; /* Pixel format */ 698 __u32 type; /* Frame size type the device supports. */ 699 700 union { /* Frame size */ 701 struct v4l2_frmsize_discrete discrete; 702 struct v4l2_frmsize_stepwise stepwise; 703 }; 704 705 __u32 reserved[2]; /* Reserved space for future use */ 706 }; 707 708 /* 709 * F R A M E R A T E E N U M E R A T I O N 710 */ 711 enum v4l2_frmivaltypes { 712 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 713 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 714 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 715 }; 716 717 struct v4l2_frmival_stepwise { 718 struct v4l2_fract min; /* Minimum frame interval [s] */ 719 struct v4l2_fract max; /* Maximum frame interval [s] */ 720 struct v4l2_fract step; /* Frame interval step size [s] */ 721 }; 722 723 struct v4l2_frmivalenum { 724 __u32 index; /* Frame format index */ 725 __u32 pixel_format; /* Pixel format */ 726 __u32 width; /* Frame width */ 727 __u32 height; /* Frame height */ 728 __u32 type; /* Frame interval type the device supports. */ 729 730 union { /* Frame interval */ 731 struct v4l2_fract discrete; 732 struct v4l2_frmival_stepwise stepwise; 733 }; 734 735 __u32 reserved[2]; /* Reserved space for future use */ 736 }; 737 738 /* 739 * T I M E C O D E 740 */ 741 struct v4l2_timecode { 742 __u32 type; 743 __u32 flags; 744 __u8 frames; 745 __u8 seconds; 746 __u8 minutes; 747 __u8 hours; 748 __u8 userbits[4]; 749 }; 750 751 /* Type */ 752 #define V4L2_TC_TYPE_24FPS 1 753 #define V4L2_TC_TYPE_25FPS 2 754 #define V4L2_TC_TYPE_30FPS 3 755 #define V4L2_TC_TYPE_50FPS 4 756 #define V4L2_TC_TYPE_60FPS 5 757 758 /* Flags */ 759 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 760 #define V4L2_TC_FLAG_COLORFRAME 0x0002 761 #define V4L2_TC_USERBITS_field 0x000C 762 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 763 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 764 /* The above is based on SMPTE timecodes */ 765 766 struct v4l2_jpegcompression { 767 int quality; 768 769 int APPn; /* Number of APP segment to be written, 770 * must be 0..15 */ 771 int APP_len; /* Length of data in JPEG APPn segment */ 772 char APP_data[60]; /* Data in the JPEG APPn segment. */ 773 774 int COM_len; /* Length of data in JPEG COM segment */ 775 char COM_data[60]; /* Data in JPEG COM segment */ 776 777 __u32 jpeg_markers; /* Which markers should go into the JPEG 778 * output. Unless you exactly know what 779 * you do, leave them untouched. 780 * Including less markers will make the 781 * resulting code smaller, but there will 782 * be fewer applications which can read it. 783 * The presence of the APP and COM marker 784 * is influenced by APP_len and COM_len 785 * ONLY, not by this property! */ 786 787 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 788 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 789 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 790 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 791 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 792 * always use APP0 */ 793 }; 794 795 /* 796 * M E M O R Y - M A P P I N G B U F F E R S 797 */ 798 struct v4l2_requestbuffers { 799 __u32 count; 800 __u32 type; /* enum v4l2_buf_type */ 801 __u32 memory; /* enum v4l2_memory */ 802 __u32 reserved[2]; 803 }; 804 805 /** 806 * struct v4l2_plane - plane info for multi-planar buffers 807 * @bytesused: number of bytes occupied by data in the plane (payload) 808 * @length: size of this plane (NOT the payload) in bytes 809 * @mem_offset: when memory in the associated struct v4l2_buffer is 810 * V4L2_MEMORY_MMAP, equals the offset from the start of 811 * the device memory for this plane (or is a "cookie" that 812 * should be passed to mmap() called on the video node) 813 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 814 * pointing to this plane 815 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 816 * descriptor associated with this plane 817 * @data_offset: offset in the plane to the start of data; usually 0, 818 * unless there is a header in front of the data 819 * 820 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 821 * with two planes can have one plane for Y, and another for interleaved CbCr 822 * components. Each plane can reside in a separate memory buffer, or even in 823 * a completely separate memory node (e.g. in embedded devices). 824 */ 825 struct v4l2_plane { 826 __u32 bytesused; 827 __u32 length; 828 union { 829 __u32 mem_offset; 830 unsigned long userptr; 831 __s32 fd; 832 } m; 833 __u32 data_offset; 834 __u32 reserved[11]; 835 }; 836 837 /** 838 * struct v4l2_buffer - video buffer info 839 * @index: id number of the buffer 840 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 841 * multiplanar buffers); 842 * @bytesused: number of bytes occupied by data in the buffer (payload); 843 * unused (set to 0) for multiplanar buffers 844 * @flags: buffer informational flags 845 * @field: enum v4l2_field; field order of the image in the buffer 846 * @timestamp: frame timestamp 847 * @timecode: frame timecode 848 * @sequence: sequence count of this frame 849 * @memory: enum v4l2_memory; the method, in which the actual video data is 850 * passed 851 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 852 * offset from the start of the device memory for this plane, 853 * (or a "cookie" that should be passed to mmap() as offset) 854 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 855 * a userspace pointer pointing to this buffer 856 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 857 * a userspace file descriptor associated with this buffer 858 * @planes: for multiplanar buffers; userspace pointer to the array of plane 859 * info structs for this buffer 860 * @length: size in bytes of the buffer (NOT its payload) for single-plane 861 * buffers (when type != *_MPLANE); number of elements in the 862 * planes array for multi-plane buffers 863 * 864 * Contains data exchanged by application and driver using one of the Streaming 865 * I/O methods. 866 */ 867 struct v4l2_buffer { 868 __u32 index; 869 __u32 type; 870 __u32 bytesused; 871 __u32 flags; 872 __u32 field; 873 struct timeval timestamp; 874 struct v4l2_timecode timecode; 875 __u32 sequence; 876 877 /* memory location */ 878 __u32 memory; 879 union { 880 __u32 offset; 881 unsigned long userptr; 882 struct v4l2_plane *planes; 883 __s32 fd; 884 } m; 885 __u32 length; 886 __u32 reserved2; 887 __u32 reserved; 888 }; 889 890 /* Flags for 'flags' field */ 891 /* Buffer is mapped (flag) */ 892 #define V4L2_BUF_FLAG_MAPPED 0x00000001 893 /* Buffer is queued for processing */ 894 #define V4L2_BUF_FLAG_QUEUED 0x00000002 895 /* Buffer is ready */ 896 #define V4L2_BUF_FLAG_DONE 0x00000004 897 /* Image is a keyframe (I-frame) */ 898 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 899 /* Image is a P-frame */ 900 #define V4L2_BUF_FLAG_PFRAME 0x00000010 901 /* Image is a B-frame */ 902 #define V4L2_BUF_FLAG_BFRAME 0x00000020 903 /* Buffer is ready, but the data contained within is corrupted. */ 904 #define V4L2_BUF_FLAG_ERROR 0x00000040 905 /* timecode field is valid */ 906 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 907 /* Buffer is prepared for queuing */ 908 #define V4L2_BUF_FLAG_PREPARED 0x00000400 909 /* Cache handling flags */ 910 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 911 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 912 /* Timestamp type */ 913 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 914 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 915 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 916 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 917 /* Timestamp sources. */ 918 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 919 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 920 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 921 /* mem2mem encoder/decoder */ 922 #define V4L2_BUF_FLAG_LAST 0x00100000 923 924 /** 925 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 926 * 927 * @index: id number of the buffer 928 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 929 * multiplanar buffers); 930 * @plane: index of the plane to be exported, 0 for single plane queues 931 * @flags: flags for newly created file, currently only O_CLOEXEC is 932 * supported, refer to manual of open syscall for more details 933 * @fd: file descriptor associated with DMABUF (set by driver) 934 * 935 * Contains data used for exporting a video buffer as DMABUF file descriptor. 936 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 937 * (identical to the cookie used to mmap() the buffer to userspace). All 938 * reserved fields must be set to zero. The field reserved0 is expected to 939 * become a structure 'type' allowing an alternative layout of the structure 940 * content. Therefore this field should not be used for any other extensions. 941 */ 942 struct v4l2_exportbuffer { 943 __u32 type; /* enum v4l2_buf_type */ 944 __u32 index; 945 __u32 plane; 946 __u32 flags; 947 __s32 fd; 948 __u32 reserved[11]; 949 }; 950 951 /* 952 * O V E R L A Y P R E V I E W 953 */ 954 struct v4l2_framebuffer { 955 __u32 capability; 956 __u32 flags; 957 /* FIXME: in theory we should pass something like PCI device + memory 958 * region + offset instead of some physical address */ 959 void *base; 960 struct { 961 __u32 width; 962 __u32 height; 963 __u32 pixelformat; 964 __u32 field; /* enum v4l2_field */ 965 __u32 bytesperline; /* for padding, zero if unused */ 966 __u32 sizeimage; 967 __u32 colorspace; /* enum v4l2_colorspace */ 968 __u32 priv; /* reserved field, set to 0 */ 969 } fmt; 970 }; 971 /* Flags for the 'capability' field. Read only */ 972 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 973 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 974 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 975 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 976 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 977 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 978 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 979 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 980 /* Flags for the 'flags' field. */ 981 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 982 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 983 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 984 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 985 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 986 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 987 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 988 989 struct v4l2_clip { 990 struct v4l2_rect c; 991 struct v4l2_clip __user *next; 992 }; 993 994 struct v4l2_window { 995 struct v4l2_rect w; 996 __u32 field; /* enum v4l2_field */ 997 __u32 chromakey; 998 struct v4l2_clip __user *clips; 999 __u32 clipcount; 1000 void __user *bitmap; 1001 __u8 global_alpha; 1002 }; 1003 1004 /* 1005 * C A P T U R E P A R A M E T E R S 1006 */ 1007 struct v4l2_captureparm { 1008 __u32 capability; /* Supported modes */ 1009 __u32 capturemode; /* Current mode */ 1010 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1011 __u32 extendedmode; /* Driver-specific extensions */ 1012 __u32 readbuffers; /* # of buffers for read */ 1013 __u32 reserved[4]; 1014 }; 1015 1016 /* Flags for 'capability' and 'capturemode' fields */ 1017 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1018 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1019 1020 struct v4l2_outputparm { 1021 __u32 capability; /* Supported modes */ 1022 __u32 outputmode; /* Current mode */ 1023 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1024 __u32 extendedmode; /* Driver-specific extensions */ 1025 __u32 writebuffers; /* # of buffers for write */ 1026 __u32 reserved[4]; 1027 }; 1028 1029 /* 1030 * I N P U T I M A G E C R O P P I N G 1031 */ 1032 struct v4l2_cropcap { 1033 __u32 type; /* enum v4l2_buf_type */ 1034 struct v4l2_rect bounds; 1035 struct v4l2_rect defrect; 1036 struct v4l2_fract pixelaspect; 1037 }; 1038 1039 struct v4l2_crop { 1040 __u32 type; /* enum v4l2_buf_type */ 1041 struct v4l2_rect c; 1042 }; 1043 1044 /** 1045 * struct v4l2_selection - selection info 1046 * @type: buffer type (do not use *_MPLANE types) 1047 * @target: Selection target, used to choose one of possible rectangles; 1048 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1049 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1050 * @r: coordinates of selection window 1051 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1052 * 1053 * Hardware may use multiple helper windows to process a video stream. 1054 * The structure is used to exchange this selection areas between 1055 * an application and a driver. 1056 */ 1057 struct v4l2_selection { 1058 __u32 type; 1059 __u32 target; 1060 __u32 flags; 1061 struct v4l2_rect r; 1062 __u32 reserved[9]; 1063 }; 1064 1065 1066 /* 1067 * A N A L O G V I D E O S T A N D A R D 1068 */ 1069 1070 typedef __u64 v4l2_std_id; 1071 1072 /* one bit for each */ 1073 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1074 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1075 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1076 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1077 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1078 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1079 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1080 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1081 1082 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1083 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1084 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1085 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1086 1087 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1088 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1089 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1090 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1091 1092 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1093 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1094 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1095 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1096 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1097 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1098 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1099 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1100 1101 /* ATSC/HDTV */ 1102 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1103 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1104 1105 /* FIXME: 1106 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1107 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1108 this value to 32 bits. 1109 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1110 it should work fine. However, if needed to add more than two standards, 1111 v4l2-common.c should be fixed. 1112 */ 1113 1114 /* 1115 * Some macros to merge video standards in order to make live easier for the 1116 * drivers and V4L2 applications 1117 */ 1118 1119 /* 1120 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1121 * Missing here. 1122 */ 1123 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1124 V4L2_STD_NTSC_M_JP |\ 1125 V4L2_STD_NTSC_M_KR) 1126 /* Secam macros */ 1127 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1128 V4L2_STD_SECAM_K |\ 1129 V4L2_STD_SECAM_K1) 1130 /* All Secam Standards */ 1131 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1132 V4L2_STD_SECAM_G |\ 1133 V4L2_STD_SECAM_H |\ 1134 V4L2_STD_SECAM_DK |\ 1135 V4L2_STD_SECAM_L |\ 1136 V4L2_STD_SECAM_LC) 1137 /* PAL macros */ 1138 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1139 V4L2_STD_PAL_B1 |\ 1140 V4L2_STD_PAL_G) 1141 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1142 V4L2_STD_PAL_D1 |\ 1143 V4L2_STD_PAL_K) 1144 /* 1145 * "Common" PAL - This macro is there to be compatible with the old 1146 * V4L1 concept of "PAL": /BGDKHI. 1147 * Several PAL standards are missing here: /M, /N and /Nc 1148 */ 1149 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1150 V4L2_STD_PAL_DK |\ 1151 V4L2_STD_PAL_H |\ 1152 V4L2_STD_PAL_I) 1153 /* Chroma "agnostic" standards */ 1154 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1155 V4L2_STD_PAL_B1 |\ 1156 V4L2_STD_SECAM_B) 1157 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1158 V4L2_STD_SECAM_G) 1159 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1160 V4L2_STD_SECAM_H) 1161 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1162 V4L2_STD_SECAM_LC) 1163 #define V4L2_STD_GH (V4L2_STD_G |\ 1164 V4L2_STD_H) 1165 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1166 V4L2_STD_SECAM_DK) 1167 #define V4L2_STD_BG (V4L2_STD_B |\ 1168 V4L2_STD_G) 1169 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1170 V4L2_STD_PAL_N |\ 1171 V4L2_STD_PAL_Nc |\ 1172 V4L2_STD_NTSC) 1173 1174 /* Standards where MTS/BTSC stereo could be found */ 1175 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1176 V4L2_STD_PAL_M |\ 1177 V4L2_STD_PAL_N |\ 1178 V4L2_STD_PAL_Nc) 1179 1180 /* Standards for Countries with 60Hz Line frequency */ 1181 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1182 V4L2_STD_PAL_60 |\ 1183 V4L2_STD_NTSC |\ 1184 V4L2_STD_NTSC_443) 1185 /* Standards for Countries with 50Hz Line frequency */ 1186 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1187 V4L2_STD_PAL_N |\ 1188 V4L2_STD_PAL_Nc |\ 1189 V4L2_STD_SECAM) 1190 1191 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1192 V4L2_STD_ATSC_16_VSB) 1193 /* Macros with none and all analog standards */ 1194 #define V4L2_STD_UNKNOWN 0 1195 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1196 V4L2_STD_625_50) 1197 1198 struct v4l2_standard { 1199 __u32 index; 1200 v4l2_std_id id; 1201 __u8 name[24]; 1202 struct v4l2_fract frameperiod; /* Frames, not fields */ 1203 __u32 framelines; 1204 __u32 reserved[4]; 1205 }; 1206 1207 /* 1208 * D V B T T I M I N G S 1209 */ 1210 1211 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1212 * @width: total width of the active video in pixels 1213 * @height: total height of the active video in lines 1214 * @interlaced: Interlaced or progressive 1215 * @polarities: Positive or negative polarities 1216 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1217 * @hfrontporch:Horizontal front porch in pixels 1218 * @hsync: Horizontal Sync length in pixels 1219 * @hbackporch: Horizontal back porch in pixels 1220 * @vfrontporch:Vertical front porch in lines 1221 * @vsync: Vertical Sync length in lines 1222 * @vbackporch: Vertical back porch in lines 1223 * @il_vfrontporch:Vertical front porch for the even field 1224 * (aka field 2) of interlaced field formats 1225 * @il_vsync: Vertical Sync length for the even field 1226 * (aka field 2) of interlaced field formats 1227 * @il_vbackporch:Vertical back porch for the even field 1228 * (aka field 2) of interlaced field formats 1229 * @standards: Standards the timing belongs to 1230 * @flags: Flags 1231 * @reserved: Reserved fields, must be zeroed. 1232 * 1233 * A note regarding vertical interlaced timings: height refers to the total 1234 * height of the active video frame (= two fields). The blanking timings refer 1235 * to the blanking of each field. So the height of the total frame is 1236 * calculated as follows: 1237 * 1238 * tot_height = height + vfrontporch + vsync + vbackporch + 1239 * il_vfrontporch + il_vsync + il_vbackporch 1240 * 1241 * The active height of each field is height / 2. 1242 */ 1243 struct v4l2_bt_timings { 1244 __u32 width; 1245 __u32 height; 1246 __u32 interlaced; 1247 __u32 polarities; 1248 __u64 pixelclock; 1249 __u32 hfrontporch; 1250 __u32 hsync; 1251 __u32 hbackporch; 1252 __u32 vfrontporch; 1253 __u32 vsync; 1254 __u32 vbackporch; 1255 __u32 il_vfrontporch; 1256 __u32 il_vsync; 1257 __u32 il_vbackporch; 1258 __u32 standards; 1259 __u32 flags; 1260 __u32 reserved[14]; 1261 } __attribute__ ((packed)); 1262 1263 /* Interlaced or progressive format */ 1264 #define V4L2_DV_PROGRESSIVE 0 1265 #define V4L2_DV_INTERLACED 1 1266 1267 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1268 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1269 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1270 1271 /* Timings standards */ 1272 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1273 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1274 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1275 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1276 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 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 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1309 * total height. For these formats, if this flag is set, the first 1310 * field has the extra line. If not, it is the second field. 1311 */ 1312 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1313 1314 /* A few useful defines to calculate the total blanking and frame sizes */ 1315 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1316 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1317 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1318 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1319 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1320 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1321 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1322 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1323 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1324 1325 /** struct v4l2_dv_timings - DV timings 1326 * @type: the type of the timings 1327 * @bt: BT656/1120 timings 1328 */ 1329 struct v4l2_dv_timings { 1330 __u32 type; 1331 union { 1332 struct v4l2_bt_timings bt; 1333 __u32 reserved[32]; 1334 }; 1335 } __attribute__ ((packed)); 1336 1337 /* Values for the type field */ 1338 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1339 1340 1341 /** struct v4l2_enum_dv_timings - DV timings enumeration 1342 * @index: enumeration index 1343 * @pad: the pad number for which to enumerate timings (used with 1344 * v4l-subdev nodes only) 1345 * @reserved: must be zeroed 1346 * @timings: the timings for the given index 1347 */ 1348 struct v4l2_enum_dv_timings { 1349 __u32 index; 1350 __u32 pad; 1351 __u32 reserved[2]; 1352 struct v4l2_dv_timings timings; 1353 }; 1354 1355 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1356 * @min_width: width in pixels 1357 * @max_width: width in pixels 1358 * @min_height: height in lines 1359 * @max_height: height in lines 1360 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1361 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1362 * @standards: Supported standards 1363 * @capabilities: Supported capabilities 1364 * @reserved: Must be zeroed 1365 */ 1366 struct v4l2_bt_timings_cap { 1367 __u32 min_width; 1368 __u32 max_width; 1369 __u32 min_height; 1370 __u32 max_height; 1371 __u64 min_pixelclock; 1372 __u64 max_pixelclock; 1373 __u32 standards; 1374 __u32 capabilities; 1375 __u32 reserved[16]; 1376 } __attribute__ ((packed)); 1377 1378 /* Supports interlaced formats */ 1379 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1380 /* Supports progressive formats */ 1381 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1382 /* Supports CVT/GTF reduced blanking */ 1383 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1384 /* Supports custom formats */ 1385 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1386 1387 /** struct v4l2_dv_timings_cap - DV timings capabilities 1388 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1389 * @pad: the pad number for which to query capabilities (used with 1390 * v4l-subdev nodes only) 1391 * @bt: the BT656/1120 timings capabilities 1392 */ 1393 struct v4l2_dv_timings_cap { 1394 __u32 type; 1395 __u32 pad; 1396 __u32 reserved[2]; 1397 union { 1398 struct v4l2_bt_timings_cap bt; 1399 __u32 raw_data[32]; 1400 }; 1401 }; 1402 1403 1404 /* 1405 * V I D E O I N P U T S 1406 */ 1407 struct v4l2_input { 1408 __u32 index; /* Which input */ 1409 __u8 name[32]; /* Label */ 1410 __u32 type; /* Type of input */ 1411 __u32 audioset; /* Associated audios (bitfield) */ 1412 __u32 tuner; /* enum v4l2_tuner_type */ 1413 v4l2_std_id std; 1414 __u32 status; 1415 __u32 capabilities; 1416 __u32 reserved[3]; 1417 }; 1418 1419 /* Values for the 'type' field */ 1420 #define V4L2_INPUT_TYPE_TUNER 1 1421 #define V4L2_INPUT_TYPE_CAMERA 2 1422 #define V4L2_INPUT_TYPE_TOUCH 3 1423 1424 /* field 'status' - general */ 1425 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1426 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1427 #define V4L2_IN_ST_NO_COLOR 0x00000004 1428 1429 /* field 'status' - sensor orientation */ 1430 /* If sensor is mounted upside down set both bits */ 1431 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1432 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1433 1434 /* field 'status' - analog */ 1435 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1436 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1437 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1438 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1439 1440 /* field 'status' - digital */ 1441 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1442 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1443 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1444 1445 /* field 'status' - VCR and set-top box */ 1446 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1447 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1448 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1449 1450 /* capabilities flags */ 1451 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1452 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1453 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1454 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1455 1456 /* 1457 * V I D E O O U T P U T S 1458 */ 1459 struct v4l2_output { 1460 __u32 index; /* Which output */ 1461 __u8 name[32]; /* Label */ 1462 __u32 type; /* Type of output */ 1463 __u32 audioset; /* Associated audios (bitfield) */ 1464 __u32 modulator; /* Associated modulator */ 1465 v4l2_std_id std; 1466 __u32 capabilities; 1467 __u32 reserved[3]; 1468 }; 1469 /* Values for the 'type' field */ 1470 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1471 #define V4L2_OUTPUT_TYPE_ANALOG 2 1472 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1473 1474 /* capabilities flags */ 1475 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1476 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1477 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1478 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1479 1480 /* 1481 * C O N T R O L S 1482 */ 1483 struct v4l2_control { 1484 __u32 id; 1485 __s32 value; 1486 }; 1487 1488 struct v4l2_ext_control { 1489 __u32 id; 1490 __u32 size; 1491 __u32 reserved2[1]; 1492 union { 1493 __s32 value; 1494 __s64 value64; 1495 char __user *string; 1496 __u8 __user *p_u8; 1497 __u16 __user *p_u16; 1498 __u32 __user *p_u32; 1499 void __user *ptr; 1500 }; 1501 } __attribute__ ((packed)); 1502 1503 struct v4l2_ext_controls { 1504 union { 1505 #ifndef __KERNEL__ 1506 __u32 ctrl_class; 1507 #endif 1508 __u32 which; 1509 }; 1510 __u32 count; 1511 __u32 error_idx; 1512 __u32 reserved[2]; 1513 struct v4l2_ext_control *controls; 1514 }; 1515 1516 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1517 #ifndef __KERNEL__ 1518 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1519 #endif 1520 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1521 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1522 #define V4L2_CTRL_MAX_DIMS (4) 1523 #define V4L2_CTRL_WHICH_CUR_VAL 0 1524 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1525 1526 enum v4l2_ctrl_type { 1527 V4L2_CTRL_TYPE_INTEGER = 1, 1528 V4L2_CTRL_TYPE_BOOLEAN = 2, 1529 V4L2_CTRL_TYPE_MENU = 3, 1530 V4L2_CTRL_TYPE_BUTTON = 4, 1531 V4L2_CTRL_TYPE_INTEGER64 = 5, 1532 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1533 V4L2_CTRL_TYPE_STRING = 7, 1534 V4L2_CTRL_TYPE_BITMASK = 8, 1535 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1536 1537 /* Compound types are >= 0x0100 */ 1538 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1539 V4L2_CTRL_TYPE_U8 = 0x0100, 1540 V4L2_CTRL_TYPE_U16 = 0x0101, 1541 V4L2_CTRL_TYPE_U32 = 0x0102, 1542 }; 1543 1544 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1545 struct v4l2_queryctrl { 1546 __u32 id; 1547 __u32 type; /* enum v4l2_ctrl_type */ 1548 __u8 name[32]; /* Whatever */ 1549 __s32 minimum; /* Note signedness */ 1550 __s32 maximum; 1551 __s32 step; 1552 __s32 default_value; 1553 __u32 flags; 1554 __u32 reserved[2]; 1555 }; 1556 1557 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1558 struct v4l2_query_ext_ctrl { 1559 __u32 id; 1560 __u32 type; 1561 char name[32]; 1562 __s64 minimum; 1563 __s64 maximum; 1564 __u64 step; 1565 __s64 default_value; 1566 __u32 flags; 1567 __u32 elem_size; 1568 __u32 elems; 1569 __u32 nr_of_dims; 1570 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1571 __u32 reserved[32]; 1572 }; 1573 1574 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1575 struct v4l2_querymenu { 1576 __u32 id; 1577 __u32 index; 1578 union { 1579 __u8 name[32]; /* Whatever */ 1580 __s64 value; 1581 }; 1582 __u32 reserved; 1583 } __attribute__ ((packed)); 1584 1585 /* Control flags */ 1586 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1587 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1588 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1589 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1590 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1591 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1592 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1593 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1594 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1595 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1596 1597 /* Query flags, to be ORed with the control ID */ 1598 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1599 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1600 1601 /* User-class control IDs defined by V4L2 */ 1602 #define V4L2_CID_MAX_CTRLS 1024 1603 /* IDs reserved for driver specific controls */ 1604 #define V4L2_CID_PRIVATE_BASE 0x08000000 1605 1606 1607 /* 1608 * T U N I N G 1609 */ 1610 struct v4l2_tuner { 1611 __u32 index; 1612 __u8 name[32]; 1613 __u32 type; /* enum v4l2_tuner_type */ 1614 __u32 capability; 1615 __u32 rangelow; 1616 __u32 rangehigh; 1617 __u32 rxsubchans; 1618 __u32 audmode; 1619 __s32 signal; 1620 __s32 afc; 1621 __u32 reserved[4]; 1622 }; 1623 1624 struct v4l2_modulator { 1625 __u32 index; 1626 __u8 name[32]; 1627 __u32 capability; 1628 __u32 rangelow; 1629 __u32 rangehigh; 1630 __u32 txsubchans; 1631 __u32 type; /* enum v4l2_tuner_type */ 1632 __u32 reserved[3]; 1633 }; 1634 1635 /* Flags for the 'capability' field */ 1636 #define V4L2_TUNER_CAP_LOW 0x0001 1637 #define V4L2_TUNER_CAP_NORM 0x0002 1638 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1639 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1640 #define V4L2_TUNER_CAP_STEREO 0x0010 1641 #define V4L2_TUNER_CAP_LANG2 0x0020 1642 #define V4L2_TUNER_CAP_SAP 0x0020 1643 #define V4L2_TUNER_CAP_LANG1 0x0040 1644 #define V4L2_TUNER_CAP_RDS 0x0080 1645 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1646 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1647 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1648 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1649 #define V4L2_TUNER_CAP_1HZ 0x1000 1650 1651 /* Flags for the 'rxsubchans' field */ 1652 #define V4L2_TUNER_SUB_MONO 0x0001 1653 #define V4L2_TUNER_SUB_STEREO 0x0002 1654 #define V4L2_TUNER_SUB_LANG2 0x0004 1655 #define V4L2_TUNER_SUB_SAP 0x0004 1656 #define V4L2_TUNER_SUB_LANG1 0x0008 1657 #define V4L2_TUNER_SUB_RDS 0x0010 1658 1659 /* Values for the 'audmode' field */ 1660 #define V4L2_TUNER_MODE_MONO 0x0000 1661 #define V4L2_TUNER_MODE_STEREO 0x0001 1662 #define V4L2_TUNER_MODE_LANG2 0x0002 1663 #define V4L2_TUNER_MODE_SAP 0x0002 1664 #define V4L2_TUNER_MODE_LANG1 0x0003 1665 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1666 1667 struct v4l2_frequency { 1668 __u32 tuner; 1669 __u32 type; /* enum v4l2_tuner_type */ 1670 __u32 frequency; 1671 __u32 reserved[8]; 1672 }; 1673 1674 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1675 #define V4L2_BAND_MODULATION_FM (1 << 2) 1676 #define V4L2_BAND_MODULATION_AM (1 << 3) 1677 1678 struct v4l2_frequency_band { 1679 __u32 tuner; 1680 __u32 type; /* enum v4l2_tuner_type */ 1681 __u32 index; 1682 __u32 capability; 1683 __u32 rangelow; 1684 __u32 rangehigh; 1685 __u32 modulation; 1686 __u32 reserved[9]; 1687 }; 1688 1689 struct v4l2_hw_freq_seek { 1690 __u32 tuner; 1691 __u32 type; /* enum v4l2_tuner_type */ 1692 __u32 seek_upward; 1693 __u32 wrap_around; 1694 __u32 spacing; 1695 __u32 rangelow; 1696 __u32 rangehigh; 1697 __u32 reserved[5]; 1698 }; 1699 1700 /* 1701 * R D S 1702 */ 1703 1704 struct v4l2_rds_data { 1705 __u8 lsb; 1706 __u8 msb; 1707 __u8 block; 1708 } __attribute__ ((packed)); 1709 1710 #define V4L2_RDS_BLOCK_MSK 0x7 1711 #define V4L2_RDS_BLOCK_A 0 1712 #define V4L2_RDS_BLOCK_B 1 1713 #define V4L2_RDS_BLOCK_C 2 1714 #define V4L2_RDS_BLOCK_D 3 1715 #define V4L2_RDS_BLOCK_C_ALT 4 1716 #define V4L2_RDS_BLOCK_INVALID 7 1717 1718 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1719 #define V4L2_RDS_BLOCK_ERROR 0x80 1720 1721 /* 1722 * A U D I O 1723 */ 1724 struct v4l2_audio { 1725 __u32 index; 1726 __u8 name[32]; 1727 __u32 capability; 1728 __u32 mode; 1729 __u32 reserved[2]; 1730 }; 1731 1732 /* Flags for the 'capability' field */ 1733 #define V4L2_AUDCAP_STEREO 0x00001 1734 #define V4L2_AUDCAP_AVL 0x00002 1735 1736 /* Flags for the 'mode' field */ 1737 #define V4L2_AUDMODE_AVL 0x00001 1738 1739 struct v4l2_audioout { 1740 __u32 index; 1741 __u8 name[32]; 1742 __u32 capability; 1743 __u32 mode; 1744 __u32 reserved[2]; 1745 }; 1746 1747 /* 1748 * M P E G S E R V I C E S 1749 */ 1750 #if 1 1751 #define V4L2_ENC_IDX_FRAME_I (0) 1752 #define V4L2_ENC_IDX_FRAME_P (1) 1753 #define V4L2_ENC_IDX_FRAME_B (2) 1754 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1755 1756 struct v4l2_enc_idx_entry { 1757 __u64 offset; 1758 __u64 pts; 1759 __u32 length; 1760 __u32 flags; 1761 __u32 reserved[2]; 1762 }; 1763 1764 #define V4L2_ENC_IDX_ENTRIES (64) 1765 struct v4l2_enc_idx { 1766 __u32 entries; 1767 __u32 entries_cap; 1768 __u32 reserved[4]; 1769 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1770 }; 1771 1772 1773 #define V4L2_ENC_CMD_START (0) 1774 #define V4L2_ENC_CMD_STOP (1) 1775 #define V4L2_ENC_CMD_PAUSE (2) 1776 #define V4L2_ENC_CMD_RESUME (3) 1777 1778 /* Flags for V4L2_ENC_CMD_STOP */ 1779 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1780 1781 struct v4l2_encoder_cmd { 1782 __u32 cmd; 1783 __u32 flags; 1784 union { 1785 struct { 1786 __u32 data[8]; 1787 } raw; 1788 }; 1789 }; 1790 1791 /* Decoder commands */ 1792 #define V4L2_DEC_CMD_START (0) 1793 #define V4L2_DEC_CMD_STOP (1) 1794 #define V4L2_DEC_CMD_PAUSE (2) 1795 #define V4L2_DEC_CMD_RESUME (3) 1796 1797 /* Flags for V4L2_DEC_CMD_START */ 1798 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1799 1800 /* Flags for V4L2_DEC_CMD_PAUSE */ 1801 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1802 1803 /* Flags for V4L2_DEC_CMD_STOP */ 1804 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1805 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1806 1807 /* Play format requirements (returned by the driver): */ 1808 1809 /* The decoder has no special format requirements */ 1810 #define V4L2_DEC_START_FMT_NONE (0) 1811 /* The decoder requires full GOPs */ 1812 #define V4L2_DEC_START_FMT_GOP (1) 1813 1814 /* The structure must be zeroed before use by the application 1815 This ensures it can be extended safely in the future. */ 1816 struct v4l2_decoder_cmd { 1817 __u32 cmd; 1818 __u32 flags; 1819 union { 1820 struct { 1821 __u64 pts; 1822 } stop; 1823 1824 struct { 1825 /* 0 or 1000 specifies normal speed, 1826 1 specifies forward single stepping, 1827 -1 specifies backward single stepping, 1828 >1: playback at speed/1000 of the normal speed, 1829 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1830 __s32 speed; 1831 __u32 format; 1832 } start; 1833 1834 struct { 1835 __u32 data[16]; 1836 } raw; 1837 }; 1838 }; 1839 #endif 1840 1841 1842 /* 1843 * D A T A S E R V I C E S ( V B I ) 1844 * 1845 * Data services API by Michael Schimek 1846 */ 1847 1848 /* Raw VBI */ 1849 struct v4l2_vbi_format { 1850 __u32 sampling_rate; /* in 1 Hz */ 1851 __u32 offset; 1852 __u32 samples_per_line; 1853 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1854 __s32 start[2]; 1855 __u32 count[2]; 1856 __u32 flags; /* V4L2_VBI_* */ 1857 __u32 reserved[2]; /* must be zero */ 1858 }; 1859 1860 /* VBI flags */ 1861 #define V4L2_VBI_UNSYNC (1 << 0) 1862 #define V4L2_VBI_INTERLACED (1 << 1) 1863 1864 /* ITU-R start lines for each field */ 1865 #define V4L2_VBI_ITU_525_F1_START (1) 1866 #define V4L2_VBI_ITU_525_F2_START (264) 1867 #define V4L2_VBI_ITU_625_F1_START (1) 1868 #define V4L2_VBI_ITU_625_F2_START (314) 1869 1870 /* Sliced VBI 1871 * 1872 * This implements is a proposal V4L2 API to allow SLICED VBI 1873 * required for some hardware encoders. It should change without 1874 * notice in the definitive implementation. 1875 */ 1876 1877 struct v4l2_sliced_vbi_format { 1878 __u16 service_set; 1879 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1880 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1881 (equals frame lines 313-336 for 625 line video 1882 standards, 263-286 for 525 line standards) */ 1883 __u16 service_lines[2][24]; 1884 __u32 io_size; 1885 __u32 reserved[2]; /* must be zero */ 1886 }; 1887 1888 /* Teletext World System Teletext 1889 (WST), defined on ITU-R BT.653-2 */ 1890 #define V4L2_SLICED_TELETEXT_B (0x0001) 1891 /* Video Program System, defined on ETS 300 231*/ 1892 #define V4L2_SLICED_VPS (0x0400) 1893 /* Closed Caption, defined on EIA-608 */ 1894 #define V4L2_SLICED_CAPTION_525 (0x1000) 1895 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1896 #define V4L2_SLICED_WSS_625 (0x4000) 1897 1898 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1899 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1900 1901 struct v4l2_sliced_vbi_cap { 1902 __u16 service_set; 1903 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1904 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1905 (equals frame lines 313-336 for 625 line video 1906 standards, 263-286 for 525 line standards) */ 1907 __u16 service_lines[2][24]; 1908 __u32 type; /* enum v4l2_buf_type */ 1909 __u32 reserved[3]; /* must be 0 */ 1910 }; 1911 1912 struct v4l2_sliced_vbi_data { 1913 __u32 id; 1914 __u32 field; /* 0: first field, 1: second field */ 1915 __u32 line; /* 1-23 */ 1916 __u32 reserved; /* must be 0 */ 1917 __u8 data[48]; 1918 }; 1919 1920 /* 1921 * Sliced VBI data inserted into MPEG Streams 1922 */ 1923 1924 /* 1925 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1926 * 1927 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1928 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1929 * data 1930 * 1931 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1932 * definitions are not included here. See the MPEG-2 specifications for details 1933 * on these headers. 1934 */ 1935 1936 /* Line type IDs */ 1937 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1938 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1939 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1940 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1941 1942 struct v4l2_mpeg_vbi_itv0_line { 1943 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1944 __u8 data[42]; /* Sliced VBI data for the line */ 1945 } __attribute__ ((packed)); 1946 1947 struct v4l2_mpeg_vbi_itv0 { 1948 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1949 struct v4l2_mpeg_vbi_itv0_line line[35]; 1950 } __attribute__ ((packed)); 1951 1952 struct v4l2_mpeg_vbi_ITV0 { 1953 struct v4l2_mpeg_vbi_itv0_line line[36]; 1954 } __attribute__ ((packed)); 1955 1956 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1957 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1958 1959 struct v4l2_mpeg_vbi_fmt_ivtv { 1960 __u8 magic[4]; 1961 union { 1962 struct v4l2_mpeg_vbi_itv0 itv0; 1963 struct v4l2_mpeg_vbi_ITV0 ITV0; 1964 }; 1965 } __attribute__ ((packed)); 1966 1967 /* 1968 * A G G R E G A T E S T R U C T U R E S 1969 */ 1970 1971 /** 1972 * struct v4l2_plane_pix_format - additional, per-plane format definition 1973 * @sizeimage: maximum size in bytes required for data, for which 1974 * this plane will be used 1975 * @bytesperline: distance in bytes between the leftmost pixels in two 1976 * adjacent lines 1977 */ 1978 struct v4l2_plane_pix_format { 1979 __u32 sizeimage; 1980 __u32 bytesperline; 1981 __u16 reserved[6]; 1982 } __attribute__ ((packed)); 1983 1984 /** 1985 * struct v4l2_pix_format_mplane - multiplanar format definition 1986 * @width: image width in pixels 1987 * @height: image height in pixels 1988 * @pixelformat: little endian four character code (fourcc) 1989 * @field: enum v4l2_field; field order (for interlaced video) 1990 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1991 * @plane_fmt: per-plane information 1992 * @num_planes: number of planes for this format 1993 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1994 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1995 * @quantization: enum v4l2_quantization, colorspace quantization 1996 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 1997 */ 1998 struct v4l2_pix_format_mplane { 1999 __u32 width; 2000 __u32 height; 2001 __u32 pixelformat; 2002 __u32 field; 2003 __u32 colorspace; 2004 2005 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2006 __u8 num_planes; 2007 __u8 flags; 2008 __u8 ycbcr_enc; 2009 __u8 quantization; 2010 __u8 xfer_func; 2011 __u8 reserved[7]; 2012 } __attribute__ ((packed)); 2013 2014 /** 2015 * struct v4l2_sdr_format - SDR format definition 2016 * @pixelformat: little endian four character code (fourcc) 2017 * @buffersize: maximum size in bytes required for data 2018 */ 2019 struct v4l2_sdr_format { 2020 __u32 pixelformat; 2021 __u32 buffersize; 2022 __u8 reserved[24]; 2023 } __attribute__ ((packed)); 2024 2025 /** 2026 * struct v4l2_format - stream data format 2027 * @type: enum v4l2_buf_type; type of the data stream 2028 * @pix: definition of an image format 2029 * @pix_mp: definition of a multiplanar image format 2030 * @win: definition of an overlaid image 2031 * @vbi: raw VBI capture or output parameters 2032 * @sliced: sliced VBI capture or output parameters 2033 * @raw_data: placeholder for future extensions and custom formats 2034 */ 2035 struct v4l2_format { 2036 __u32 type; 2037 union { 2038 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2039 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2040 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2041 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2042 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2043 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2044 __u8 raw_data[200]; /* user-defined */ 2045 } fmt; 2046 }; 2047 2048 /* Stream type-dependent parameters 2049 */ 2050 struct v4l2_streamparm { 2051 __u32 type; /* enum v4l2_buf_type */ 2052 union { 2053 struct v4l2_captureparm capture; 2054 struct v4l2_outputparm output; 2055 __u8 raw_data[200]; /* user-defined */ 2056 } parm; 2057 }; 2058 2059 /* 2060 * E V E N T S 2061 */ 2062 2063 #define V4L2_EVENT_ALL 0 2064 #define V4L2_EVENT_VSYNC 1 2065 #define V4L2_EVENT_EOS 2 2066 #define V4L2_EVENT_CTRL 3 2067 #define V4L2_EVENT_FRAME_SYNC 4 2068 #define V4L2_EVENT_SOURCE_CHANGE 5 2069 #define V4L2_EVENT_MOTION_DET 6 2070 #define V4L2_EVENT_PRIVATE_START 0x08000000 2071 2072 /* Payload for V4L2_EVENT_VSYNC */ 2073 struct v4l2_event_vsync { 2074 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2075 __u8 field; 2076 } __attribute__ ((packed)); 2077 2078 /* Payload for V4L2_EVENT_CTRL */ 2079 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2080 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2081 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2082 2083 struct v4l2_event_ctrl { 2084 __u32 changes; 2085 __u32 type; 2086 union { 2087 __s32 value; 2088 __s64 value64; 2089 }; 2090 __u32 flags; 2091 __s32 minimum; 2092 __s32 maximum; 2093 __s32 step; 2094 __s32 default_value; 2095 }; 2096 2097 struct v4l2_event_frame_sync { 2098 __u32 frame_sequence; 2099 }; 2100 2101 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2102 2103 struct v4l2_event_src_change { 2104 __u32 changes; 2105 }; 2106 2107 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2108 2109 /** 2110 * struct v4l2_event_motion_det - motion detection event 2111 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2112 * frame_sequence field is valid. 2113 * @frame_sequence: the frame sequence number associated with this event. 2114 * @region_mask: which regions detected motion. 2115 */ 2116 struct v4l2_event_motion_det { 2117 __u32 flags; 2118 __u32 frame_sequence; 2119 __u32 region_mask; 2120 }; 2121 2122 struct v4l2_event { 2123 __u32 type; 2124 union { 2125 struct v4l2_event_vsync vsync; 2126 struct v4l2_event_ctrl ctrl; 2127 struct v4l2_event_frame_sync frame_sync; 2128 struct v4l2_event_src_change src_change; 2129 struct v4l2_event_motion_det motion_det; 2130 __u8 data[64]; 2131 } u; 2132 __u32 pending; 2133 __u32 sequence; 2134 struct timespec timestamp; 2135 __u32 id; 2136 __u32 reserved[8]; 2137 }; 2138 2139 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2140 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2141 2142 struct v4l2_event_subscription { 2143 __u32 type; 2144 __u32 id; 2145 __u32 flags; 2146 __u32 reserved[5]; 2147 }; 2148 2149 /* 2150 * A D V A N C E D D E B U G G I N G 2151 * 2152 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2153 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2154 */ 2155 2156 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2157 2158 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2159 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2160 2161 /* The following four defines are no longer in use */ 2162 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2163 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2164 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2165 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2166 2167 struct v4l2_dbg_match { 2168 __u32 type; /* Match type */ 2169 union { /* Match this chip, meaning determined by type */ 2170 __u32 addr; 2171 char name[32]; 2172 }; 2173 } __attribute__ ((packed)); 2174 2175 struct v4l2_dbg_register { 2176 struct v4l2_dbg_match match; 2177 __u32 size; /* register size in bytes */ 2178 __u64 reg; 2179 __u64 val; 2180 } __attribute__ ((packed)); 2181 2182 #define V4L2_CHIP_FL_READABLE (1 << 0) 2183 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2184 2185 /* VIDIOC_DBG_G_CHIP_INFO */ 2186 struct v4l2_dbg_chip_info { 2187 struct v4l2_dbg_match match; 2188 char name[32]; 2189 __u32 flags; 2190 __u32 reserved[32]; 2191 } __attribute__ ((packed)); 2192 2193 /** 2194 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2195 * @index: on return, index of the first created buffer 2196 * @count: entry: number of requested buffers, 2197 * return: number of created buffers 2198 * @memory: enum v4l2_memory; buffer memory type 2199 * @format: frame format, for which buffers are requested 2200 * @reserved: future extensions 2201 */ 2202 struct v4l2_create_buffers { 2203 __u32 index; 2204 __u32 count; 2205 __u32 memory; 2206 struct v4l2_format format; 2207 __u32 reserved[8]; 2208 }; 2209 2210 /* 2211 * 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 2212 * 2213 */ 2214 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2215 #define VIDIOC_RESERVED _IO('V', 1) 2216 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2217 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2218 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2219 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2220 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2221 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2222 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2223 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2224 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2225 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2226 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2227 #define VIDIOC_STREAMON _IOW('V', 18, int) 2228 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2229 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2230 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2231 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2232 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2233 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2234 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2235 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2236 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2237 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2238 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2239 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2240 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2241 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2242 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2243 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2244 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2245 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2246 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2247 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2248 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2249 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2250 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2251 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2252 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2253 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2254 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2255 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2256 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2257 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2258 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2259 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2260 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2261 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2262 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2263 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2264 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2265 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2266 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2267 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2268 #define VIDIOC_LOG_STATUS _IO('V', 70) 2269 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2270 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2271 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2272 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2273 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2274 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2275 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2276 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2277 2278 /* 2279 * Experimental, meant for debugging, testing and internal use. 2280 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2281 * You must be root to use these ioctls. Never use these in applications! 2282 */ 2283 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2284 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2285 2286 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2287 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2288 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2289 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2290 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2291 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2292 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2293 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2294 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2295 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2296 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2297 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2298 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2299 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2300 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2301 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2302 2303 /* 2304 * Experimental, meant for debugging, testing and internal use. 2305 * Never use this in applications! 2306 */ 2307 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2308 2309 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2310 2311 /* Reminder: when adding new ioctls please add support for them to 2312 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2313 2314 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2315 2316 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2317