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