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 #if 1 142 /* Experimental */ 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 144 #endif 145 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 146 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 147 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 148 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 149 /* Deprecated, do not use */ 150 V4L2_BUF_TYPE_PRIVATE = 0x80, 151 }; 152 153 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 154 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 156 157 #define V4L2_TYPE_IS_OUTPUT(type) \ 158 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 162 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 163 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 164 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 165 166 enum v4l2_tuner_type { 167 V4L2_TUNER_RADIO = 1, 168 V4L2_TUNER_ANALOG_TV = 2, 169 V4L2_TUNER_DIGITAL_TV = 3, 170 V4L2_TUNER_SDR = 4, 171 V4L2_TUNER_RF = 5, 172 }; 173 174 /* Deprecated, do not use */ 175 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 176 177 enum v4l2_memory { 178 V4L2_MEMORY_MMAP = 1, 179 V4L2_MEMORY_USERPTR = 2, 180 V4L2_MEMORY_OVERLAY = 3, 181 V4L2_MEMORY_DMABUF = 4, 182 }; 183 184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 185 enum v4l2_colorspace { 186 /* 187 * Default colorspace, i.e. let the driver figure it out. 188 * Can only be used with video capture. 189 */ 190 V4L2_COLORSPACE_DEFAULT = 0, 191 192 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 193 V4L2_COLORSPACE_SMPTE170M = 1, 194 195 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 196 V4L2_COLORSPACE_SMPTE240M = 2, 197 198 /* Rec.709: used for HDTV */ 199 V4L2_COLORSPACE_REC709 = 3, 200 201 /* 202 * Deprecated, do not use. No driver will ever return this. This was 203 * based on a misunderstanding of the bt878 datasheet. 204 */ 205 V4L2_COLORSPACE_BT878 = 4, 206 207 /* 208 * NTSC 1953 colorspace. This only makes sense when dealing with 209 * really, really old NTSC recordings. Superseded by SMPTE 170M. 210 */ 211 V4L2_COLORSPACE_470_SYSTEM_M = 5, 212 213 /* 214 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 215 * dealing with really old PAL/SECAM recordings. Superseded by 216 * SMPTE 170M. 217 */ 218 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 219 220 /* 221 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 222 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 223 */ 224 V4L2_COLORSPACE_JPEG = 7, 225 226 /* For RGB colorspaces such as produces by most webcams. */ 227 V4L2_COLORSPACE_SRGB = 8, 228 229 /* AdobeRGB colorspace */ 230 V4L2_COLORSPACE_ADOBERGB = 9, 231 232 /* BT.2020 colorspace, used for UHDTV. */ 233 V4L2_COLORSPACE_BT2020 = 10, 234 235 /* Raw colorspace: for RAW unprocessed images */ 236 V4L2_COLORSPACE_RAW = 11, 237 238 /* DCI-P3 colorspace, used by cinema projectors */ 239 V4L2_COLORSPACE_DCI_P3 = 12, 240 }; 241 242 /* 243 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 244 * This depends on whether this is a SDTV image (use SMPTE 170M), an 245 * HDTV image (use Rec. 709), or something else (use sRGB). 246 */ 247 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 248 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 249 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 250 251 enum v4l2_xfer_func { 252 /* 253 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 254 * for the various colorspaces: 255 * 256 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 257 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 258 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 259 * 260 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 261 * 262 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 263 * 264 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 265 * 266 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 267 * 268 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 269 */ 270 V4L2_XFER_FUNC_DEFAULT = 0, 271 V4L2_XFER_FUNC_709 = 1, 272 V4L2_XFER_FUNC_SRGB = 2, 273 V4L2_XFER_FUNC_ADOBERGB = 3, 274 V4L2_XFER_FUNC_SMPTE240M = 4, 275 V4L2_XFER_FUNC_NONE = 5, 276 V4L2_XFER_FUNC_DCI_P3 = 6, 277 V4L2_XFER_FUNC_SMPTE2084 = 7, 278 }; 279 280 /* 281 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 282 * This depends on the colorspace. 283 */ 284 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 285 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 286 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 287 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 288 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 289 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 290 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 291 292 enum v4l2_ycbcr_encoding { 293 /* 294 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 295 * various colorspaces: 296 * 297 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 298 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 299 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 300 * 301 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 302 * 303 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 304 * 305 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 306 * 307 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 308 */ 309 V4L2_YCBCR_ENC_DEFAULT = 0, 310 311 /* ITU-R 601 -- SDTV */ 312 V4L2_YCBCR_ENC_601 = 1, 313 314 /* Rec. 709 -- HDTV */ 315 V4L2_YCBCR_ENC_709 = 2, 316 317 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 318 V4L2_YCBCR_ENC_XV601 = 3, 319 320 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 321 V4L2_YCBCR_ENC_XV709 = 4, 322 323 /* sYCC (Y'CbCr encoding of sRGB) */ 324 V4L2_YCBCR_ENC_SYCC = 5, 325 326 /* BT.2020 Non-constant Luminance Y'CbCr */ 327 V4L2_YCBCR_ENC_BT2020 = 6, 328 329 /* BT.2020 Constant Luminance Y'CbcCrc */ 330 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 331 332 /* SMPTE 240M -- Obsolete HDTV */ 333 V4L2_YCBCR_ENC_SMPTE240M = 8, 334 }; 335 336 /* 337 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 338 * This depends on the colorspace. 339 */ 340 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 341 (((colsp) == V4L2_COLORSPACE_REC709 || \ 342 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 343 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 344 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 345 V4L2_YCBCR_ENC_601))) 346 347 enum v4l2_quantization { 348 /* 349 * The default for R'G'B' quantization is always full range, except 350 * for the BT2020 colorspace. For Y'CbCr the quantization is always 351 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709: 352 * those are full range. 353 */ 354 V4L2_QUANTIZATION_DEFAULT = 0, 355 V4L2_QUANTIZATION_FULL_RANGE = 1, 356 V4L2_QUANTIZATION_LIM_RANGE = 2, 357 }; 358 359 /* 360 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 361 * This depends on whether the image is RGB or not, the colorspace and the 362 * Y'CbCr encoding. 363 */ 364 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 365 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 366 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 367 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 368 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 369 370 enum v4l2_priority { 371 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 372 V4L2_PRIORITY_BACKGROUND = 1, 373 V4L2_PRIORITY_INTERACTIVE = 2, 374 V4L2_PRIORITY_RECORD = 3, 375 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 376 }; 377 378 struct v4l2_rect { 379 __s32 left; 380 __s32 top; 381 __u32 width; 382 __u32 height; 383 }; 384 385 struct v4l2_fract { 386 __u32 numerator; 387 __u32 denominator; 388 }; 389 390 /** 391 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 392 * 393 * @driver: name of the driver module (e.g. "bttv") 394 * @card: name of the card (e.g. "Hauppauge WinTV") 395 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 396 * @version: KERNEL_VERSION 397 * @capabilities: capabilities of the physical device as a whole 398 * @device_caps: capabilities accessed via this particular device (node) 399 * @reserved: reserved fields for future extensions 400 */ 401 struct v4l2_capability { 402 __u8 driver[16]; 403 __u8 card[32]; 404 __u8 bus_info[32]; 405 __u32 version; 406 __u32 capabilities; 407 __u32 device_caps; 408 __u32 reserved[3]; 409 }; 410 411 /* Values for 'capabilities' field */ 412 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 413 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 414 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 415 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 416 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 417 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 418 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 419 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 420 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 421 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 422 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 423 424 /* Is a video capture device that supports multiplanar formats */ 425 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 426 /* Is a video output device that supports multiplanar formats */ 427 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 428 /* Is a video mem-to-mem device that supports multiplanar formats */ 429 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 430 /* Is a video mem-to-mem device */ 431 #define V4L2_CAP_VIDEO_M2M 0x00008000 432 433 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 434 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 435 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 436 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 437 438 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 439 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 440 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 441 442 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 443 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 444 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 445 446 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 447 448 /* 449 * V I D E O I M A G E F O R M A T 450 */ 451 struct v4l2_pix_format { 452 __u32 width; 453 __u32 height; 454 __u32 pixelformat; 455 __u32 field; /* enum v4l2_field */ 456 __u32 bytesperline; /* for padding, zero if unused */ 457 __u32 sizeimage; 458 __u32 colorspace; /* enum v4l2_colorspace */ 459 __u32 priv; /* private data, depends on pixelformat */ 460 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 461 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 462 __u32 quantization; /* enum v4l2_quantization */ 463 __u32 xfer_func; /* enum v4l2_xfer_func */ 464 }; 465 466 /* Pixel format FOURCC depth Description */ 467 468 /* RGB formats */ 469 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 470 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 471 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 472 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 473 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 474 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 475 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 476 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 477 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 478 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 479 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 480 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 481 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 482 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 483 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 484 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 485 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 486 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 487 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 488 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 489 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 490 491 /* Grey formats */ 492 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 493 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 494 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 495 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 496 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 497 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 498 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 499 500 /* Grey bit-packed formats */ 501 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 502 503 /* Palette formats */ 504 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 505 506 /* Chrominance formats */ 507 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 508 509 /* Luminance+Chrominance formats */ 510 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 511 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 512 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 513 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 514 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 515 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 516 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 517 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 518 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 519 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 520 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 521 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 522 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 523 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 524 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 525 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 526 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 527 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 528 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 529 530 /* two planes -- one Y, one Cr + Cb interleaved */ 531 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 532 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 533 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 534 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 535 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 536 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 537 538 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 539 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 540 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 541 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 542 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 543 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 544 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 545 546 /* three non contiguous planes - Y, Cb, Cr */ 547 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 548 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 549 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 550 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 551 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 552 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 553 554 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 555 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 556 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 557 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 558 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 559 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 560 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 561 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 562 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 563 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 564 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 565 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 566 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 567 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 568 /* 10bit raw bayer a-law compressed to 8 bits */ 569 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 570 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 571 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 572 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 573 /* 10bit raw bayer DPCM compressed to 8 bits */ 574 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 575 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 576 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 577 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 578 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 579 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 580 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 581 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 582 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 583 584 /* compressed formats */ 585 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 586 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 587 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 588 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 589 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 590 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 591 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 592 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 593 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 594 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 595 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 596 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 597 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 598 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 599 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 600 601 /* Vendor-specific formats */ 602 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 603 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 604 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 605 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 606 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 607 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 608 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 609 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 610 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 611 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 612 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 613 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 614 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 615 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 616 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 617 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 618 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 619 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 620 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 621 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 622 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 623 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 624 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 625 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 626 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 627 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 628 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 629 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 630 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 631 632 /* SDR formats - used only for Software Defined Radio devices */ 633 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 634 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 635 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 636 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 637 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 638 639 /* priv field value to indicates that subsequent fields are valid. */ 640 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 641 642 /* Flags */ 643 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 644 645 /* 646 * F O R M A T E N U M E R A T I O N 647 */ 648 struct v4l2_fmtdesc { 649 __u32 index; /* Format number */ 650 __u32 type; /* enum v4l2_buf_type */ 651 __u32 flags; 652 __u8 description[32]; /* Description string */ 653 __u32 pixelformat; /* Format fourcc */ 654 __u32 reserved[4]; 655 }; 656 657 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 658 #define V4L2_FMT_FLAG_EMULATED 0x0002 659 660 #if 1 661 /* Experimental Frame Size and frame rate enumeration */ 662 /* 663 * F R A M E S I Z E E N U M E R A T I O N 664 */ 665 enum v4l2_frmsizetypes { 666 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 667 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 668 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 669 }; 670 671 struct v4l2_frmsize_discrete { 672 __u32 width; /* Frame width [pixel] */ 673 __u32 height; /* Frame height [pixel] */ 674 }; 675 676 struct v4l2_frmsize_stepwise { 677 __u32 min_width; /* Minimum frame width [pixel] */ 678 __u32 max_width; /* Maximum frame width [pixel] */ 679 __u32 step_width; /* Frame width step size [pixel] */ 680 __u32 min_height; /* Minimum frame height [pixel] */ 681 __u32 max_height; /* Maximum frame height [pixel] */ 682 __u32 step_height; /* Frame height step size [pixel] */ 683 }; 684 685 struct v4l2_frmsizeenum { 686 __u32 index; /* Frame size number */ 687 __u32 pixel_format; /* Pixel format */ 688 __u32 type; /* Frame size type the device supports. */ 689 690 union { /* Frame size */ 691 struct v4l2_frmsize_discrete discrete; 692 struct v4l2_frmsize_stepwise stepwise; 693 }; 694 695 __u32 reserved[2]; /* Reserved space for future use */ 696 }; 697 698 /* 699 * F R A M E R A T E E N U M E R A T I O N 700 */ 701 enum v4l2_frmivaltypes { 702 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 703 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 704 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 705 }; 706 707 struct v4l2_frmival_stepwise { 708 struct v4l2_fract min; /* Minimum frame interval [s] */ 709 struct v4l2_fract max; /* Maximum frame interval [s] */ 710 struct v4l2_fract step; /* Frame interval step size [s] */ 711 }; 712 713 struct v4l2_frmivalenum { 714 __u32 index; /* Frame format index */ 715 __u32 pixel_format; /* Pixel format */ 716 __u32 width; /* Frame width */ 717 __u32 height; /* Frame height */ 718 __u32 type; /* Frame interval type the device supports. */ 719 720 union { /* Frame interval */ 721 struct v4l2_fract discrete; 722 struct v4l2_frmival_stepwise stepwise; 723 }; 724 725 __u32 reserved[2]; /* Reserved space for future use */ 726 }; 727 #endif 728 729 /* 730 * T I M E C O D E 731 */ 732 struct v4l2_timecode { 733 __u32 type; 734 __u32 flags; 735 __u8 frames; 736 __u8 seconds; 737 __u8 minutes; 738 __u8 hours; 739 __u8 userbits[4]; 740 }; 741 742 /* Type */ 743 #define V4L2_TC_TYPE_24FPS 1 744 #define V4L2_TC_TYPE_25FPS 2 745 #define V4L2_TC_TYPE_30FPS 3 746 #define V4L2_TC_TYPE_50FPS 4 747 #define V4L2_TC_TYPE_60FPS 5 748 749 /* Flags */ 750 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 751 #define V4L2_TC_FLAG_COLORFRAME 0x0002 752 #define V4L2_TC_USERBITS_field 0x000C 753 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 754 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 755 /* The above is based on SMPTE timecodes */ 756 757 struct v4l2_jpegcompression { 758 int quality; 759 760 int APPn; /* Number of APP segment to be written, 761 * must be 0..15 */ 762 int APP_len; /* Length of data in JPEG APPn segment */ 763 char APP_data[60]; /* Data in the JPEG APPn segment. */ 764 765 int COM_len; /* Length of data in JPEG COM segment */ 766 char COM_data[60]; /* Data in JPEG COM segment */ 767 768 __u32 jpeg_markers; /* Which markers should go into the JPEG 769 * output. Unless you exactly know what 770 * you do, leave them untouched. 771 * Including less markers will make the 772 * resulting code smaller, but there will 773 * be fewer applications which can read it. 774 * The presence of the APP and COM marker 775 * is influenced by APP_len and COM_len 776 * ONLY, not by this property! */ 777 778 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 779 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 780 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 781 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 782 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 783 * always use APP0 */ 784 }; 785 786 /* 787 * M E M O R Y - M A P P I N G B U F F E R S 788 */ 789 struct v4l2_requestbuffers { 790 __u32 count; 791 __u32 type; /* enum v4l2_buf_type */ 792 __u32 memory; /* enum v4l2_memory */ 793 __u32 reserved[2]; 794 }; 795 796 /** 797 * struct v4l2_plane - plane info for multi-planar buffers 798 * @bytesused: number of bytes occupied by data in the plane (payload) 799 * @length: size of this plane (NOT the payload) in bytes 800 * @mem_offset: when memory in the associated struct v4l2_buffer is 801 * V4L2_MEMORY_MMAP, equals the offset from the start of 802 * the device memory for this plane (or is a "cookie" that 803 * should be passed to mmap() called on the video node) 804 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 805 * pointing to this plane 806 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 807 * descriptor associated with this plane 808 * @data_offset: offset in the plane to the start of data; usually 0, 809 * unless there is a header in front of the data 810 * 811 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 812 * with two planes can have one plane for Y, and another for interleaved CbCr 813 * components. Each plane can reside in a separate memory buffer, or even in 814 * a completely separate memory node (e.g. in embedded devices). 815 */ 816 struct v4l2_plane { 817 __u32 bytesused; 818 __u32 length; 819 union { 820 __u32 mem_offset; 821 unsigned long userptr; 822 __s32 fd; 823 } m; 824 __u32 data_offset; 825 __u32 reserved[11]; 826 }; 827 828 /** 829 * struct v4l2_buffer - video buffer info 830 * @index: id number of the buffer 831 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 832 * multiplanar buffers); 833 * @bytesused: number of bytes occupied by data in the buffer (payload); 834 * unused (set to 0) for multiplanar buffers 835 * @flags: buffer informational flags 836 * @field: enum v4l2_field; field order of the image in the buffer 837 * @timestamp: frame timestamp 838 * @timecode: frame timecode 839 * @sequence: sequence count of this frame 840 * @memory: enum v4l2_memory; the method, in which the actual video data is 841 * passed 842 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 843 * offset from the start of the device memory for this plane, 844 * (or a "cookie" that should be passed to mmap() as offset) 845 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 846 * a userspace pointer pointing to this buffer 847 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 848 * a userspace file descriptor associated with this buffer 849 * @planes: for multiplanar buffers; userspace pointer to the array of plane 850 * info structs for this buffer 851 * @length: size in bytes of the buffer (NOT its payload) for single-plane 852 * buffers (when type != *_MPLANE); number of elements in the 853 * planes array for multi-plane buffers 854 * 855 * Contains data exchanged by application and driver using one of the Streaming 856 * I/O methods. 857 */ 858 struct v4l2_buffer { 859 __u32 index; 860 __u32 type; 861 __u32 bytesused; 862 __u32 flags; 863 __u32 field; 864 struct timeval timestamp; 865 struct v4l2_timecode timecode; 866 __u32 sequence; 867 868 /* memory location */ 869 __u32 memory; 870 union { 871 __u32 offset; 872 unsigned long userptr; 873 struct v4l2_plane *planes; 874 __s32 fd; 875 } m; 876 __u32 length; 877 __u32 reserved2; 878 __u32 reserved; 879 }; 880 881 /* Flags for 'flags' field */ 882 /* Buffer is mapped (flag) */ 883 #define V4L2_BUF_FLAG_MAPPED 0x00000001 884 /* Buffer is queued for processing */ 885 #define V4L2_BUF_FLAG_QUEUED 0x00000002 886 /* Buffer is ready */ 887 #define V4L2_BUF_FLAG_DONE 0x00000004 888 /* Image is a keyframe (I-frame) */ 889 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 890 /* Image is a P-frame */ 891 #define V4L2_BUF_FLAG_PFRAME 0x00000010 892 /* Image is a B-frame */ 893 #define V4L2_BUF_FLAG_BFRAME 0x00000020 894 /* Buffer is ready, but the data contained within is corrupted. */ 895 #define V4L2_BUF_FLAG_ERROR 0x00000040 896 /* timecode field is valid */ 897 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 898 /* Buffer is prepared for queuing */ 899 #define V4L2_BUF_FLAG_PREPARED 0x00000400 900 /* Cache handling flags */ 901 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 902 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 903 /* Timestamp type */ 904 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 905 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 906 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 907 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 908 /* Timestamp sources. */ 909 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 910 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 911 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 912 /* mem2mem encoder/decoder */ 913 #define V4L2_BUF_FLAG_LAST 0x00100000 914 915 /** 916 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 917 * 918 * @index: id number of the buffer 919 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 920 * multiplanar buffers); 921 * @plane: index of the plane to be exported, 0 for single plane queues 922 * @flags: flags for newly created file, currently only O_CLOEXEC is 923 * supported, refer to manual of open syscall for more details 924 * @fd: file descriptor associated with DMABUF (set by driver) 925 * 926 * Contains data used for exporting a video buffer as DMABUF file descriptor. 927 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 928 * (identical to the cookie used to mmap() the buffer to userspace). All 929 * reserved fields must be set to zero. The field reserved0 is expected to 930 * become a structure 'type' allowing an alternative layout of the structure 931 * content. Therefore this field should not be used for any other extensions. 932 */ 933 struct v4l2_exportbuffer { 934 __u32 type; /* enum v4l2_buf_type */ 935 __u32 index; 936 __u32 plane; 937 __u32 flags; 938 __s32 fd; 939 __u32 reserved[11]; 940 }; 941 942 /* 943 * O V E R L A Y P R E V I E W 944 */ 945 struct v4l2_framebuffer { 946 __u32 capability; 947 __u32 flags; 948 /* FIXME: in theory we should pass something like PCI device + memory 949 * region + offset instead of some physical address */ 950 void *base; 951 struct { 952 __u32 width; 953 __u32 height; 954 __u32 pixelformat; 955 __u32 field; /* enum v4l2_field */ 956 __u32 bytesperline; /* for padding, zero if unused */ 957 __u32 sizeimage; 958 __u32 colorspace; /* enum v4l2_colorspace */ 959 __u32 priv; /* reserved field, set to 0 */ 960 } fmt; 961 }; 962 /* Flags for the 'capability' field. Read only */ 963 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 964 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 965 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 966 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 967 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 968 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 969 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 970 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 971 /* Flags for the 'flags' field. */ 972 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 973 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 974 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 975 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 976 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 977 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 978 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 979 980 struct v4l2_clip { 981 struct v4l2_rect c; 982 struct v4l2_clip __user *next; 983 }; 984 985 struct v4l2_window { 986 struct v4l2_rect w; 987 __u32 field; /* enum v4l2_field */ 988 __u32 chromakey; 989 struct v4l2_clip __user *clips; 990 __u32 clipcount; 991 void __user *bitmap; 992 __u8 global_alpha; 993 }; 994 995 /* 996 * C A P T U R E P A R A M E T E R S 997 */ 998 struct v4l2_captureparm { 999 __u32 capability; /* Supported modes */ 1000 __u32 capturemode; /* Current mode */ 1001 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1002 __u32 extendedmode; /* Driver-specific extensions */ 1003 __u32 readbuffers; /* # of buffers for read */ 1004 __u32 reserved[4]; 1005 }; 1006 1007 /* Flags for 'capability' and 'capturemode' fields */ 1008 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1009 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1010 1011 struct v4l2_outputparm { 1012 __u32 capability; /* Supported modes */ 1013 __u32 outputmode; /* Current mode */ 1014 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1015 __u32 extendedmode; /* Driver-specific extensions */ 1016 __u32 writebuffers; /* # of buffers for write */ 1017 __u32 reserved[4]; 1018 }; 1019 1020 /* 1021 * I N P U T I M A G E C R O P P I N G 1022 */ 1023 struct v4l2_cropcap { 1024 __u32 type; /* enum v4l2_buf_type */ 1025 struct v4l2_rect bounds; 1026 struct v4l2_rect defrect; 1027 struct v4l2_fract pixelaspect; 1028 }; 1029 1030 struct v4l2_crop { 1031 __u32 type; /* enum v4l2_buf_type */ 1032 struct v4l2_rect c; 1033 }; 1034 1035 /** 1036 * struct v4l2_selection - selection info 1037 * @type: buffer type (do not use *_MPLANE types) 1038 * @target: Selection target, used to choose one of possible rectangles; 1039 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1040 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1041 * @r: coordinates of selection window 1042 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1043 * 1044 * Hardware may use multiple helper windows to process a video stream. 1045 * The structure is used to exchange this selection areas between 1046 * an application and a driver. 1047 */ 1048 struct v4l2_selection { 1049 __u32 type; 1050 __u32 target; 1051 __u32 flags; 1052 struct v4l2_rect r; 1053 __u32 reserved[9]; 1054 }; 1055 1056 1057 /* 1058 * A N A L O G V I D E O S T A N D A R D 1059 */ 1060 1061 typedef __u64 v4l2_std_id; 1062 1063 /* one bit for each */ 1064 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1065 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1066 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1067 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1068 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1069 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1070 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1071 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1072 1073 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1074 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1075 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1076 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1077 1078 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1079 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1080 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1081 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1082 1083 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1084 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1085 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1086 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1087 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1088 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1089 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1090 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1091 1092 /* ATSC/HDTV */ 1093 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1094 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1095 1096 /* FIXME: 1097 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1098 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1099 this value to 32 bits. 1100 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1101 it should work fine. However, if needed to add more than two standards, 1102 v4l2-common.c should be fixed. 1103 */ 1104 1105 /* 1106 * Some macros to merge video standards in order to make live easier for the 1107 * drivers and V4L2 applications 1108 */ 1109 1110 /* 1111 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1112 * Missing here. 1113 */ 1114 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1115 V4L2_STD_NTSC_M_JP |\ 1116 V4L2_STD_NTSC_M_KR) 1117 /* Secam macros */ 1118 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1119 V4L2_STD_SECAM_K |\ 1120 V4L2_STD_SECAM_K1) 1121 /* All Secam Standards */ 1122 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1123 V4L2_STD_SECAM_G |\ 1124 V4L2_STD_SECAM_H |\ 1125 V4L2_STD_SECAM_DK |\ 1126 V4L2_STD_SECAM_L |\ 1127 V4L2_STD_SECAM_LC) 1128 /* PAL macros */ 1129 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1130 V4L2_STD_PAL_B1 |\ 1131 V4L2_STD_PAL_G) 1132 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1133 V4L2_STD_PAL_D1 |\ 1134 V4L2_STD_PAL_K) 1135 /* 1136 * "Common" PAL - This macro is there to be compatible with the old 1137 * V4L1 concept of "PAL": /BGDKHI. 1138 * Several PAL standards are missing here: /M, /N and /Nc 1139 */ 1140 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1141 V4L2_STD_PAL_DK |\ 1142 V4L2_STD_PAL_H |\ 1143 V4L2_STD_PAL_I) 1144 /* Chroma "agnostic" standards */ 1145 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1146 V4L2_STD_PAL_B1 |\ 1147 V4L2_STD_SECAM_B) 1148 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1149 V4L2_STD_SECAM_G) 1150 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1151 V4L2_STD_SECAM_H) 1152 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1153 V4L2_STD_SECAM_LC) 1154 #define V4L2_STD_GH (V4L2_STD_G |\ 1155 V4L2_STD_H) 1156 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1157 V4L2_STD_SECAM_DK) 1158 #define V4L2_STD_BG (V4L2_STD_B |\ 1159 V4L2_STD_G) 1160 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1161 V4L2_STD_PAL_N |\ 1162 V4L2_STD_PAL_Nc |\ 1163 V4L2_STD_NTSC) 1164 1165 /* Standards where MTS/BTSC stereo could be found */ 1166 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1167 V4L2_STD_PAL_M |\ 1168 V4L2_STD_PAL_N |\ 1169 V4L2_STD_PAL_Nc) 1170 1171 /* Standards for Countries with 60Hz Line frequency */ 1172 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1173 V4L2_STD_PAL_60 |\ 1174 V4L2_STD_NTSC |\ 1175 V4L2_STD_NTSC_443) 1176 /* Standards for Countries with 50Hz Line frequency */ 1177 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1178 V4L2_STD_PAL_N |\ 1179 V4L2_STD_PAL_Nc |\ 1180 V4L2_STD_SECAM) 1181 1182 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1183 V4L2_STD_ATSC_16_VSB) 1184 /* Macros with none and all analog standards */ 1185 #define V4L2_STD_UNKNOWN 0 1186 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1187 V4L2_STD_625_50) 1188 1189 struct v4l2_standard { 1190 __u32 index; 1191 v4l2_std_id id; 1192 __u8 name[24]; 1193 struct v4l2_fract frameperiod; /* Frames, not fields */ 1194 __u32 framelines; 1195 __u32 reserved[4]; 1196 }; 1197 1198 /* 1199 * D V B T T I M I N G S 1200 */ 1201 1202 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1203 * @width: total width of the active video in pixels 1204 * @height: total height of the active video in lines 1205 * @interlaced: Interlaced or progressive 1206 * @polarities: Positive or negative polarities 1207 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1208 * @hfrontporch:Horizontal front porch in pixels 1209 * @hsync: Horizontal Sync length in pixels 1210 * @hbackporch: Horizontal back porch in pixels 1211 * @vfrontporch:Vertical front porch in lines 1212 * @vsync: Vertical Sync length in lines 1213 * @vbackporch: Vertical back porch in lines 1214 * @il_vfrontporch:Vertical front porch for the even field 1215 * (aka field 2) of interlaced field formats 1216 * @il_vsync: Vertical Sync length for the even field 1217 * (aka field 2) of interlaced field formats 1218 * @il_vbackporch:Vertical back porch for the even field 1219 * (aka field 2) of interlaced field formats 1220 * @standards: Standards the timing belongs to 1221 * @flags: Flags 1222 * @reserved: Reserved fields, must be zeroed. 1223 * 1224 * A note regarding vertical interlaced timings: height refers to the total 1225 * height of the active video frame (= two fields). The blanking timings refer 1226 * to the blanking of each field. So the height of the total frame is 1227 * calculated as follows: 1228 * 1229 * tot_height = height + vfrontporch + vsync + vbackporch + 1230 * il_vfrontporch + il_vsync + il_vbackporch 1231 * 1232 * The active height of each field is height / 2. 1233 */ 1234 struct v4l2_bt_timings { 1235 __u32 width; 1236 __u32 height; 1237 __u32 interlaced; 1238 __u32 polarities; 1239 __u64 pixelclock; 1240 __u32 hfrontporch; 1241 __u32 hsync; 1242 __u32 hbackporch; 1243 __u32 vfrontporch; 1244 __u32 vsync; 1245 __u32 vbackporch; 1246 __u32 il_vfrontporch; 1247 __u32 il_vsync; 1248 __u32 il_vbackporch; 1249 __u32 standards; 1250 __u32 flags; 1251 __u32 reserved[14]; 1252 } __attribute__ ((packed)); 1253 1254 /* Interlaced or progressive format */ 1255 #define V4L2_DV_PROGRESSIVE 0 1256 #define V4L2_DV_INTERLACED 1 1257 1258 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1259 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1260 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1261 1262 /* Timings standards */ 1263 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1264 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1265 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1266 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1267 1268 /* Flags */ 1269 1270 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1271 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1272 intervals are reduced, allowing a higher resolution over the same 1273 bandwidth. This is a read-only flag. */ 1274 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1275 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1276 of six. These formats can be optionally played at 1 / 1.001 speed. 1277 This is a read-only flag. */ 1278 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1279 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1280 by receivers. 1281 If the framerate of the format is a multiple of six, then the pixelclock 1282 used to set up the transmitter is divided by 1.001 to make it compatible 1283 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1284 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1285 such frequencies, then the flag will also be cleared. */ 1286 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1287 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1288 longer and field 2 is really one half-line shorter, so each field has 1289 exactly the same number of half-lines. Whether half-lines can be detected 1290 or used depends on the hardware. */ 1291 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1292 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1293 * differ from other formats (commonly called IT formats) in that if RGB 1294 * encoding is used then by default the RGB values use limited range (i.e. 1295 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1296 * except for the 640x480 format are CE formats. */ 1297 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1298 1299 /* A few useful defines to calculate the total blanking and frame sizes */ 1300 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1301 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1302 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1303 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1304 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1305 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1306 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1307 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1308 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1309 1310 /** struct v4l2_dv_timings - DV timings 1311 * @type: the type of the timings 1312 * @bt: BT656/1120 timings 1313 */ 1314 struct v4l2_dv_timings { 1315 __u32 type; 1316 union { 1317 struct v4l2_bt_timings bt; 1318 __u32 reserved[32]; 1319 }; 1320 } __attribute__ ((packed)); 1321 1322 /* Values for the type field */ 1323 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1324 1325 1326 /** struct v4l2_enum_dv_timings - DV timings enumeration 1327 * @index: enumeration index 1328 * @pad: the pad number for which to enumerate timings (used with 1329 * v4l-subdev nodes only) 1330 * @reserved: must be zeroed 1331 * @timings: the timings for the given index 1332 */ 1333 struct v4l2_enum_dv_timings { 1334 __u32 index; 1335 __u32 pad; 1336 __u32 reserved[2]; 1337 struct v4l2_dv_timings timings; 1338 }; 1339 1340 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1341 * @min_width: width in pixels 1342 * @max_width: width in pixels 1343 * @min_height: height in lines 1344 * @max_height: height in lines 1345 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1346 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1347 * @standards: Supported standards 1348 * @capabilities: Supported capabilities 1349 * @reserved: Must be zeroed 1350 */ 1351 struct v4l2_bt_timings_cap { 1352 __u32 min_width; 1353 __u32 max_width; 1354 __u32 min_height; 1355 __u32 max_height; 1356 __u64 min_pixelclock; 1357 __u64 max_pixelclock; 1358 __u32 standards; 1359 __u32 capabilities; 1360 __u32 reserved[16]; 1361 } __attribute__ ((packed)); 1362 1363 /* Supports interlaced formats */ 1364 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1365 /* Supports progressive formats */ 1366 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1367 /* Supports CVT/GTF reduced blanking */ 1368 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1369 /* Supports custom formats */ 1370 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1371 1372 /** struct v4l2_dv_timings_cap - DV timings capabilities 1373 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1374 * @pad: the pad number for which to query capabilities (used with 1375 * v4l-subdev nodes only) 1376 * @bt: the BT656/1120 timings capabilities 1377 */ 1378 struct v4l2_dv_timings_cap { 1379 __u32 type; 1380 __u32 pad; 1381 __u32 reserved[2]; 1382 union { 1383 struct v4l2_bt_timings_cap bt; 1384 __u32 raw_data[32]; 1385 }; 1386 }; 1387 1388 1389 /* 1390 * V I D E O I N P U T S 1391 */ 1392 struct v4l2_input { 1393 __u32 index; /* Which input */ 1394 __u8 name[32]; /* Label */ 1395 __u32 type; /* Type of input */ 1396 __u32 audioset; /* Associated audios (bitfield) */ 1397 __u32 tuner; /* enum v4l2_tuner_type */ 1398 v4l2_std_id std; 1399 __u32 status; 1400 __u32 capabilities; 1401 __u32 reserved[3]; 1402 }; 1403 1404 /* Values for the 'type' field */ 1405 #define V4L2_INPUT_TYPE_TUNER 1 1406 #define V4L2_INPUT_TYPE_CAMERA 2 1407 1408 /* field 'status' - general */ 1409 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1410 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1411 #define V4L2_IN_ST_NO_COLOR 0x00000004 1412 1413 /* field 'status' - sensor orientation */ 1414 /* If sensor is mounted upside down set both bits */ 1415 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1416 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1417 1418 /* field 'status' - analog */ 1419 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1420 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1421 1422 /* field 'status' - digital */ 1423 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1424 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1425 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1426 1427 /* field 'status' - VCR and set-top box */ 1428 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1429 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1430 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1431 1432 /* capabilities flags */ 1433 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1434 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1435 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1436 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1437 1438 /* 1439 * V I D E O O U T P U T S 1440 */ 1441 struct v4l2_output { 1442 __u32 index; /* Which output */ 1443 __u8 name[32]; /* Label */ 1444 __u32 type; /* Type of output */ 1445 __u32 audioset; /* Associated audios (bitfield) */ 1446 __u32 modulator; /* Associated modulator */ 1447 v4l2_std_id std; 1448 __u32 capabilities; 1449 __u32 reserved[3]; 1450 }; 1451 /* Values for the 'type' field */ 1452 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1453 #define V4L2_OUTPUT_TYPE_ANALOG 2 1454 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1455 1456 /* capabilities flags */ 1457 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1458 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1459 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1460 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1461 1462 /* 1463 * C O N T R O L S 1464 */ 1465 struct v4l2_control { 1466 __u32 id; 1467 __s32 value; 1468 }; 1469 1470 struct v4l2_ext_control { 1471 __u32 id; 1472 __u32 size; 1473 __u32 reserved2[1]; 1474 union { 1475 __s32 value; 1476 __s64 value64; 1477 char __user *string; 1478 __u8 __user *p_u8; 1479 __u16 __user *p_u16; 1480 __u32 __user *p_u32; 1481 void __user *ptr; 1482 }; 1483 } __attribute__ ((packed)); 1484 1485 struct v4l2_ext_controls { 1486 union { 1487 #ifndef __KERNEL__ 1488 __u32 ctrl_class; 1489 #endif 1490 __u32 which; 1491 }; 1492 __u32 count; 1493 __u32 error_idx; 1494 __u32 reserved[2]; 1495 struct v4l2_ext_control *controls; 1496 }; 1497 1498 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1499 #ifndef __KERNEL__ 1500 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1501 #endif 1502 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1503 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1504 #define V4L2_CTRL_MAX_DIMS (4) 1505 #define V4L2_CTRL_WHICH_CUR_VAL 0 1506 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1507 1508 enum v4l2_ctrl_type { 1509 V4L2_CTRL_TYPE_INTEGER = 1, 1510 V4L2_CTRL_TYPE_BOOLEAN = 2, 1511 V4L2_CTRL_TYPE_MENU = 3, 1512 V4L2_CTRL_TYPE_BUTTON = 4, 1513 V4L2_CTRL_TYPE_INTEGER64 = 5, 1514 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1515 V4L2_CTRL_TYPE_STRING = 7, 1516 V4L2_CTRL_TYPE_BITMASK = 8, 1517 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1518 1519 /* Compound types are >= 0x0100 */ 1520 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1521 V4L2_CTRL_TYPE_U8 = 0x0100, 1522 V4L2_CTRL_TYPE_U16 = 0x0101, 1523 V4L2_CTRL_TYPE_U32 = 0x0102, 1524 }; 1525 1526 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1527 struct v4l2_queryctrl { 1528 __u32 id; 1529 __u32 type; /* enum v4l2_ctrl_type */ 1530 __u8 name[32]; /* Whatever */ 1531 __s32 minimum; /* Note signedness */ 1532 __s32 maximum; 1533 __s32 step; 1534 __s32 default_value; 1535 __u32 flags; 1536 __u32 reserved[2]; 1537 }; 1538 1539 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1540 struct v4l2_query_ext_ctrl { 1541 __u32 id; 1542 __u32 type; 1543 char name[32]; 1544 __s64 minimum; 1545 __s64 maximum; 1546 __u64 step; 1547 __s64 default_value; 1548 __u32 flags; 1549 __u32 elem_size; 1550 __u32 elems; 1551 __u32 nr_of_dims; 1552 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1553 __u32 reserved[32]; 1554 }; 1555 1556 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1557 struct v4l2_querymenu { 1558 __u32 id; 1559 __u32 index; 1560 union { 1561 __u8 name[32]; /* Whatever */ 1562 __s64 value; 1563 }; 1564 __u32 reserved; 1565 } __attribute__ ((packed)); 1566 1567 /* Control flags */ 1568 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1569 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1570 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1571 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1572 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1573 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1574 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1575 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1576 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1577 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1578 1579 /* Query flags, to be ORed with the control ID */ 1580 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1581 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1582 1583 /* User-class control IDs defined by V4L2 */ 1584 #define V4L2_CID_MAX_CTRLS 1024 1585 /* IDs reserved for driver specific controls */ 1586 #define V4L2_CID_PRIVATE_BASE 0x08000000 1587 1588 1589 /* 1590 * T U N I N G 1591 */ 1592 struct v4l2_tuner { 1593 __u32 index; 1594 __u8 name[32]; 1595 __u32 type; /* enum v4l2_tuner_type */ 1596 __u32 capability; 1597 __u32 rangelow; 1598 __u32 rangehigh; 1599 __u32 rxsubchans; 1600 __u32 audmode; 1601 __s32 signal; 1602 __s32 afc; 1603 __u32 reserved[4]; 1604 }; 1605 1606 struct v4l2_modulator { 1607 __u32 index; 1608 __u8 name[32]; 1609 __u32 capability; 1610 __u32 rangelow; 1611 __u32 rangehigh; 1612 __u32 txsubchans; 1613 __u32 type; /* enum v4l2_tuner_type */ 1614 __u32 reserved[3]; 1615 }; 1616 1617 /* Flags for the 'capability' field */ 1618 #define V4L2_TUNER_CAP_LOW 0x0001 1619 #define V4L2_TUNER_CAP_NORM 0x0002 1620 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1621 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1622 #define V4L2_TUNER_CAP_STEREO 0x0010 1623 #define V4L2_TUNER_CAP_LANG2 0x0020 1624 #define V4L2_TUNER_CAP_SAP 0x0020 1625 #define V4L2_TUNER_CAP_LANG1 0x0040 1626 #define V4L2_TUNER_CAP_RDS 0x0080 1627 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1628 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1629 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1630 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1631 #define V4L2_TUNER_CAP_1HZ 0x1000 1632 1633 /* Flags for the 'rxsubchans' field */ 1634 #define V4L2_TUNER_SUB_MONO 0x0001 1635 #define V4L2_TUNER_SUB_STEREO 0x0002 1636 #define V4L2_TUNER_SUB_LANG2 0x0004 1637 #define V4L2_TUNER_SUB_SAP 0x0004 1638 #define V4L2_TUNER_SUB_LANG1 0x0008 1639 #define V4L2_TUNER_SUB_RDS 0x0010 1640 1641 /* Values for the 'audmode' field */ 1642 #define V4L2_TUNER_MODE_MONO 0x0000 1643 #define V4L2_TUNER_MODE_STEREO 0x0001 1644 #define V4L2_TUNER_MODE_LANG2 0x0002 1645 #define V4L2_TUNER_MODE_SAP 0x0002 1646 #define V4L2_TUNER_MODE_LANG1 0x0003 1647 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1648 1649 struct v4l2_frequency { 1650 __u32 tuner; 1651 __u32 type; /* enum v4l2_tuner_type */ 1652 __u32 frequency; 1653 __u32 reserved[8]; 1654 }; 1655 1656 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1657 #define V4L2_BAND_MODULATION_FM (1 << 2) 1658 #define V4L2_BAND_MODULATION_AM (1 << 3) 1659 1660 struct v4l2_frequency_band { 1661 __u32 tuner; 1662 __u32 type; /* enum v4l2_tuner_type */ 1663 __u32 index; 1664 __u32 capability; 1665 __u32 rangelow; 1666 __u32 rangehigh; 1667 __u32 modulation; 1668 __u32 reserved[9]; 1669 }; 1670 1671 struct v4l2_hw_freq_seek { 1672 __u32 tuner; 1673 __u32 type; /* enum v4l2_tuner_type */ 1674 __u32 seek_upward; 1675 __u32 wrap_around; 1676 __u32 spacing; 1677 __u32 rangelow; 1678 __u32 rangehigh; 1679 __u32 reserved[5]; 1680 }; 1681 1682 /* 1683 * R D S 1684 */ 1685 1686 struct v4l2_rds_data { 1687 __u8 lsb; 1688 __u8 msb; 1689 __u8 block; 1690 } __attribute__ ((packed)); 1691 1692 #define V4L2_RDS_BLOCK_MSK 0x7 1693 #define V4L2_RDS_BLOCK_A 0 1694 #define V4L2_RDS_BLOCK_B 1 1695 #define V4L2_RDS_BLOCK_C 2 1696 #define V4L2_RDS_BLOCK_D 3 1697 #define V4L2_RDS_BLOCK_C_ALT 4 1698 #define V4L2_RDS_BLOCK_INVALID 7 1699 1700 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1701 #define V4L2_RDS_BLOCK_ERROR 0x80 1702 1703 /* 1704 * A U D I O 1705 */ 1706 struct v4l2_audio { 1707 __u32 index; 1708 __u8 name[32]; 1709 __u32 capability; 1710 __u32 mode; 1711 __u32 reserved[2]; 1712 }; 1713 1714 /* Flags for the 'capability' field */ 1715 #define V4L2_AUDCAP_STEREO 0x00001 1716 #define V4L2_AUDCAP_AVL 0x00002 1717 1718 /* Flags for the 'mode' field */ 1719 #define V4L2_AUDMODE_AVL 0x00001 1720 1721 struct v4l2_audioout { 1722 __u32 index; 1723 __u8 name[32]; 1724 __u32 capability; 1725 __u32 mode; 1726 __u32 reserved[2]; 1727 }; 1728 1729 /* 1730 * M P E G S E R V I C E S 1731 * 1732 * NOTE: EXPERIMENTAL API 1733 */ 1734 #if 1 1735 #define V4L2_ENC_IDX_FRAME_I (0) 1736 #define V4L2_ENC_IDX_FRAME_P (1) 1737 #define V4L2_ENC_IDX_FRAME_B (2) 1738 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1739 1740 struct v4l2_enc_idx_entry { 1741 __u64 offset; 1742 __u64 pts; 1743 __u32 length; 1744 __u32 flags; 1745 __u32 reserved[2]; 1746 }; 1747 1748 #define V4L2_ENC_IDX_ENTRIES (64) 1749 struct v4l2_enc_idx { 1750 __u32 entries; 1751 __u32 entries_cap; 1752 __u32 reserved[4]; 1753 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1754 }; 1755 1756 1757 #define V4L2_ENC_CMD_START (0) 1758 #define V4L2_ENC_CMD_STOP (1) 1759 #define V4L2_ENC_CMD_PAUSE (2) 1760 #define V4L2_ENC_CMD_RESUME (3) 1761 1762 /* Flags for V4L2_ENC_CMD_STOP */ 1763 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1764 1765 struct v4l2_encoder_cmd { 1766 __u32 cmd; 1767 __u32 flags; 1768 union { 1769 struct { 1770 __u32 data[8]; 1771 } raw; 1772 }; 1773 }; 1774 1775 /* Decoder commands */ 1776 #define V4L2_DEC_CMD_START (0) 1777 #define V4L2_DEC_CMD_STOP (1) 1778 #define V4L2_DEC_CMD_PAUSE (2) 1779 #define V4L2_DEC_CMD_RESUME (3) 1780 1781 /* Flags for V4L2_DEC_CMD_START */ 1782 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1783 1784 /* Flags for V4L2_DEC_CMD_PAUSE */ 1785 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1786 1787 /* Flags for V4L2_DEC_CMD_STOP */ 1788 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1789 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1790 1791 /* Play format requirements (returned by the driver): */ 1792 1793 /* The decoder has no special format requirements */ 1794 #define V4L2_DEC_START_FMT_NONE (0) 1795 /* The decoder requires full GOPs */ 1796 #define V4L2_DEC_START_FMT_GOP (1) 1797 1798 /* The structure must be zeroed before use by the application 1799 This ensures it can be extended safely in the future. */ 1800 struct v4l2_decoder_cmd { 1801 __u32 cmd; 1802 __u32 flags; 1803 union { 1804 struct { 1805 __u64 pts; 1806 } stop; 1807 1808 struct { 1809 /* 0 or 1000 specifies normal speed, 1810 1 specifies forward single stepping, 1811 -1 specifies backward single stepping, 1812 >1: playback at speed/1000 of the normal speed, 1813 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1814 __s32 speed; 1815 __u32 format; 1816 } start; 1817 1818 struct { 1819 __u32 data[16]; 1820 } raw; 1821 }; 1822 }; 1823 #endif 1824 1825 1826 /* 1827 * D A T A S E R V I C E S ( V B I ) 1828 * 1829 * Data services API by Michael Schimek 1830 */ 1831 1832 /* Raw VBI */ 1833 struct v4l2_vbi_format { 1834 __u32 sampling_rate; /* in 1 Hz */ 1835 __u32 offset; 1836 __u32 samples_per_line; 1837 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1838 __s32 start[2]; 1839 __u32 count[2]; 1840 __u32 flags; /* V4L2_VBI_* */ 1841 __u32 reserved[2]; /* must be zero */ 1842 }; 1843 1844 /* VBI flags */ 1845 #define V4L2_VBI_UNSYNC (1 << 0) 1846 #define V4L2_VBI_INTERLACED (1 << 1) 1847 1848 /* ITU-R start lines for each field */ 1849 #define V4L2_VBI_ITU_525_F1_START (1) 1850 #define V4L2_VBI_ITU_525_F2_START (264) 1851 #define V4L2_VBI_ITU_625_F1_START (1) 1852 #define V4L2_VBI_ITU_625_F2_START (314) 1853 1854 /* Sliced VBI 1855 * 1856 * This implements is a proposal V4L2 API to allow SLICED VBI 1857 * required for some hardware encoders. It should change without 1858 * notice in the definitive implementation. 1859 */ 1860 1861 struct v4l2_sliced_vbi_format { 1862 __u16 service_set; 1863 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1864 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1865 (equals frame lines 313-336 for 625 line video 1866 standards, 263-286 for 525 line standards) */ 1867 __u16 service_lines[2][24]; 1868 __u32 io_size; 1869 __u32 reserved[2]; /* must be zero */ 1870 }; 1871 1872 /* Teletext World System Teletext 1873 (WST), defined on ITU-R BT.653-2 */ 1874 #define V4L2_SLICED_TELETEXT_B (0x0001) 1875 /* Video Program System, defined on ETS 300 231*/ 1876 #define V4L2_SLICED_VPS (0x0400) 1877 /* Closed Caption, defined on EIA-608 */ 1878 #define V4L2_SLICED_CAPTION_525 (0x1000) 1879 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1880 #define V4L2_SLICED_WSS_625 (0x4000) 1881 1882 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1883 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1884 1885 struct v4l2_sliced_vbi_cap { 1886 __u16 service_set; 1887 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1888 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1889 (equals frame lines 313-336 for 625 line video 1890 standards, 263-286 for 525 line standards) */ 1891 __u16 service_lines[2][24]; 1892 __u32 type; /* enum v4l2_buf_type */ 1893 __u32 reserved[3]; /* must be 0 */ 1894 }; 1895 1896 struct v4l2_sliced_vbi_data { 1897 __u32 id; 1898 __u32 field; /* 0: first field, 1: second field */ 1899 __u32 line; /* 1-23 */ 1900 __u32 reserved; /* must be 0 */ 1901 __u8 data[48]; 1902 }; 1903 1904 /* 1905 * Sliced VBI data inserted into MPEG Streams 1906 */ 1907 1908 /* 1909 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1910 * 1911 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1912 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1913 * data 1914 * 1915 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1916 * definitions are not included here. See the MPEG-2 specifications for details 1917 * on these headers. 1918 */ 1919 1920 /* Line type IDs */ 1921 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1922 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1923 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1924 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1925 1926 struct v4l2_mpeg_vbi_itv0_line { 1927 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1928 __u8 data[42]; /* Sliced VBI data for the line */ 1929 } __attribute__ ((packed)); 1930 1931 struct v4l2_mpeg_vbi_itv0 { 1932 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1933 struct v4l2_mpeg_vbi_itv0_line line[35]; 1934 } __attribute__ ((packed)); 1935 1936 struct v4l2_mpeg_vbi_ITV0 { 1937 struct v4l2_mpeg_vbi_itv0_line line[36]; 1938 } __attribute__ ((packed)); 1939 1940 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1941 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1942 1943 struct v4l2_mpeg_vbi_fmt_ivtv { 1944 __u8 magic[4]; 1945 union { 1946 struct v4l2_mpeg_vbi_itv0 itv0; 1947 struct v4l2_mpeg_vbi_ITV0 ITV0; 1948 }; 1949 } __attribute__ ((packed)); 1950 1951 /* 1952 * A G G R E G A T E S T R U C T U R E S 1953 */ 1954 1955 /** 1956 * struct v4l2_plane_pix_format - additional, per-plane format definition 1957 * @sizeimage: maximum size in bytes required for data, for which 1958 * this plane will be used 1959 * @bytesperline: distance in bytes between the leftmost pixels in two 1960 * adjacent lines 1961 */ 1962 struct v4l2_plane_pix_format { 1963 __u32 sizeimage; 1964 __u32 bytesperline; 1965 __u16 reserved[6]; 1966 } __attribute__ ((packed)); 1967 1968 /** 1969 * struct v4l2_pix_format_mplane - multiplanar format definition 1970 * @width: image width in pixels 1971 * @height: image height in pixels 1972 * @pixelformat: little endian four character code (fourcc) 1973 * @field: enum v4l2_field; field order (for interlaced video) 1974 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1975 * @plane_fmt: per-plane information 1976 * @num_planes: number of planes for this format 1977 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1978 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1979 * @quantization: enum v4l2_quantization, colorspace quantization 1980 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 1981 */ 1982 struct v4l2_pix_format_mplane { 1983 __u32 width; 1984 __u32 height; 1985 __u32 pixelformat; 1986 __u32 field; 1987 __u32 colorspace; 1988 1989 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1990 __u8 num_planes; 1991 __u8 flags; 1992 __u8 ycbcr_enc; 1993 __u8 quantization; 1994 __u8 xfer_func; 1995 __u8 reserved[7]; 1996 } __attribute__ ((packed)); 1997 1998 /** 1999 * struct v4l2_sdr_format - SDR format definition 2000 * @pixelformat: little endian four character code (fourcc) 2001 * @buffersize: maximum size in bytes required for data 2002 */ 2003 struct v4l2_sdr_format { 2004 __u32 pixelformat; 2005 __u32 buffersize; 2006 __u8 reserved[24]; 2007 } __attribute__ ((packed)); 2008 2009 /** 2010 * struct v4l2_format - stream data format 2011 * @type: enum v4l2_buf_type; type of the data stream 2012 * @pix: definition of an image format 2013 * @pix_mp: definition of a multiplanar image format 2014 * @win: definition of an overlaid image 2015 * @vbi: raw VBI capture or output parameters 2016 * @sliced: sliced VBI capture or output parameters 2017 * @raw_data: placeholder for future extensions and custom formats 2018 */ 2019 struct v4l2_format { 2020 __u32 type; 2021 union { 2022 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2023 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2024 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2025 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2026 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2027 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2028 __u8 raw_data[200]; /* user-defined */ 2029 } fmt; 2030 }; 2031 2032 /* Stream type-dependent parameters 2033 */ 2034 struct v4l2_streamparm { 2035 __u32 type; /* enum v4l2_buf_type */ 2036 union { 2037 struct v4l2_captureparm capture; 2038 struct v4l2_outputparm output; 2039 __u8 raw_data[200]; /* user-defined */ 2040 } parm; 2041 }; 2042 2043 /* 2044 * E V E N T S 2045 */ 2046 2047 #define V4L2_EVENT_ALL 0 2048 #define V4L2_EVENT_VSYNC 1 2049 #define V4L2_EVENT_EOS 2 2050 #define V4L2_EVENT_CTRL 3 2051 #define V4L2_EVENT_FRAME_SYNC 4 2052 #define V4L2_EVENT_SOURCE_CHANGE 5 2053 #define V4L2_EVENT_MOTION_DET 6 2054 #define V4L2_EVENT_PRIVATE_START 0x08000000 2055 2056 /* Payload for V4L2_EVENT_VSYNC */ 2057 struct v4l2_event_vsync { 2058 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2059 __u8 field; 2060 } __attribute__ ((packed)); 2061 2062 /* Payload for V4L2_EVENT_CTRL */ 2063 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2064 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2065 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2066 2067 struct v4l2_event_ctrl { 2068 __u32 changes; 2069 __u32 type; 2070 union { 2071 __s32 value; 2072 __s64 value64; 2073 }; 2074 __u32 flags; 2075 __s32 minimum; 2076 __s32 maximum; 2077 __s32 step; 2078 __s32 default_value; 2079 }; 2080 2081 struct v4l2_event_frame_sync { 2082 __u32 frame_sequence; 2083 }; 2084 2085 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2086 2087 struct v4l2_event_src_change { 2088 __u32 changes; 2089 }; 2090 2091 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2092 2093 /** 2094 * struct v4l2_event_motion_det - motion detection event 2095 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2096 * frame_sequence field is valid. 2097 * @frame_sequence: the frame sequence number associated with this event. 2098 * @region_mask: which regions detected motion. 2099 */ 2100 struct v4l2_event_motion_det { 2101 __u32 flags; 2102 __u32 frame_sequence; 2103 __u32 region_mask; 2104 }; 2105 2106 struct v4l2_event { 2107 __u32 type; 2108 union { 2109 struct v4l2_event_vsync vsync; 2110 struct v4l2_event_ctrl ctrl; 2111 struct v4l2_event_frame_sync frame_sync; 2112 struct v4l2_event_src_change src_change; 2113 struct v4l2_event_motion_det motion_det; 2114 __u8 data[64]; 2115 } u; 2116 __u32 pending; 2117 __u32 sequence; 2118 struct timespec timestamp; 2119 __u32 id; 2120 __u32 reserved[8]; 2121 }; 2122 2123 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2124 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2125 2126 struct v4l2_event_subscription { 2127 __u32 type; 2128 __u32 id; 2129 __u32 flags; 2130 __u32 reserved[5]; 2131 }; 2132 2133 /* 2134 * A D V A N C E D D E B U G G I N G 2135 * 2136 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2137 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2138 */ 2139 2140 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2141 2142 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2143 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2144 2145 /* The following four defines are no longer in use */ 2146 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2147 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2148 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2149 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2150 2151 struct v4l2_dbg_match { 2152 __u32 type; /* Match type */ 2153 union { /* Match this chip, meaning determined by type */ 2154 __u32 addr; 2155 char name[32]; 2156 }; 2157 } __attribute__ ((packed)); 2158 2159 struct v4l2_dbg_register { 2160 struct v4l2_dbg_match match; 2161 __u32 size; /* register size in bytes */ 2162 __u64 reg; 2163 __u64 val; 2164 } __attribute__ ((packed)); 2165 2166 #define V4L2_CHIP_FL_READABLE (1 << 0) 2167 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2168 2169 /* VIDIOC_DBG_G_CHIP_INFO */ 2170 struct v4l2_dbg_chip_info { 2171 struct v4l2_dbg_match match; 2172 char name[32]; 2173 __u32 flags; 2174 __u32 reserved[32]; 2175 } __attribute__ ((packed)); 2176 2177 /** 2178 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2179 * @index: on return, index of the first created buffer 2180 * @count: entry: number of requested buffers, 2181 * return: number of created buffers 2182 * @memory: enum v4l2_memory; buffer memory type 2183 * @format: frame format, for which buffers are requested 2184 * @reserved: future extensions 2185 */ 2186 struct v4l2_create_buffers { 2187 __u32 index; 2188 __u32 count; 2189 __u32 memory; 2190 struct v4l2_format format; 2191 __u32 reserved[8]; 2192 }; 2193 2194 /* 2195 * 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 2196 * 2197 */ 2198 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2199 #define VIDIOC_RESERVED _IO('V', 1) 2200 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2201 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2202 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2203 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2204 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2205 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2206 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2207 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2208 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2209 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2210 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2211 #define VIDIOC_STREAMON _IOW('V', 18, int) 2212 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2213 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2214 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2215 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2216 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2217 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2218 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2219 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2220 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2221 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2222 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2223 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2224 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2225 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2226 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2227 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2228 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2229 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2230 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2231 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2232 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2233 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2234 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2235 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2236 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2237 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2238 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2239 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2240 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2241 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2242 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2243 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2244 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2245 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2246 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2247 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2248 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2249 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2250 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2251 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2252 #define VIDIOC_LOG_STATUS _IO('V', 70) 2253 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2254 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2255 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2256 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2257 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2258 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2259 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2260 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2261 2262 /* Experimental, meant for debugging, testing and internal use. 2263 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2264 You must be root to use these ioctls. Never use these in applications! */ 2265 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2266 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2267 2268 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2269 2270 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2271 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2272 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2273 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2274 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2275 2276 /* Experimental, the below two ioctls may change over the next couple of kernel 2277 versions */ 2278 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2279 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2280 2281 /* Experimental selection API */ 2282 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2283 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2284 2285 /* Experimental, these two ioctls may change over the next couple of kernel 2286 versions. */ 2287 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2288 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2289 2290 /* Experimental, these three ioctls may change over the next couple of kernel 2291 versions. */ 2292 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2293 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2294 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2295 2296 /* Experimental, this ioctl may change over the next couple of kernel 2297 versions. */ 2298 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2299 2300 /* Experimental, meant for debugging, testing and internal use. 2301 Never use these in applications! */ 2302 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2303 2304 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2305 2306 /* Reminder: when adding new ioctls please add support for them to 2307 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2308 2309 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2310 2311 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2312