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broadcast NTSC/PAL SDTV */ 188 V4L2_COLORSPACE_SMPTE170M = 1, 189 190 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 191 V4L2_COLORSPACE_SMPTE240M = 2, 192 193 /* Rec.709: used for HDTV */ 194 V4L2_COLORSPACE_REC709 = 3, 195 196 /* 197 * Deprecated, do not use.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 Superseded by SMPTE 170M. 205 */ 206 V4L2_COLORSPACE_470_SYSTEM_M = 5, 207 208 /* 209 * EBU Tech 3213 PAL/SECAM colorspace.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 Superseded by 211 * SMPTE 170M. 212 */ 213 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 214 215 /* 216 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 217 *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