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 #ifndef __KERNEL__ 76 77 /* These defines are V4L1 specific and should not be used with the V4L2 API! 78 They will be removed from this header in the future. */ 79 80 #define VID_TYPE_CAPTURE 1 /* Can capture */ 81 #define VID_TYPE_TUNER 2 /* Can tune */ 82 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 83 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 84 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 85 #define VID_TYPE_CLIPPING 32 /* Can clip */ 86 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 87 #define VID_TYPE_SCALES 128 /* Scalable */ 88 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 89 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 90 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 91 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 92 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 93 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 94 #endif 95 96 /* 97 * M I S C E L L A N E O U S 98 */ 99 100 /* Four-character-code (FOURCC) */ 101 #define v4l2_fourcc(a, b, c, d)\ 102 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 103 104 /* 105 * E N U M S 106 */ 107 enum v4l2_field { 108 V4L2_FIELD_ANY = 0, /* driver can choose from none, 109 top, bottom, interlaced 110 depending on whatever it thinks 111 is approximate ... */ 112 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 113 V4L2_FIELD_TOP = 2, /* top field only */ 114 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 115 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 116 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 117 buffer, top-bottom order */ 118 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 119 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 120 separate buffers */ 121 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 122 first and the top field is 123 transmitted first */ 124 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 125 first and the bottom field is 126 transmitted first */ 127 }; 128 #define V4L2_FIELD_HAS_TOP(field) \ 129 ((field) == V4L2_FIELD_TOP ||\ 130 (field) == V4L2_FIELD_INTERLACED ||\ 131 (field) == V4L2_FIELD_INTERLACED_TB ||\ 132 (field) == V4L2_FIELD_INTERLACED_BT ||\ 133 (field) == V4L2_FIELD_SEQ_TB ||\ 134 (field) == V4L2_FIELD_SEQ_BT) 135 #define V4L2_FIELD_HAS_BOTTOM(field) \ 136 ((field) == V4L2_FIELD_BOTTOM ||\ 137 (field) == V4L2_FIELD_INTERLACED ||\ 138 (field) == V4L2_FIELD_INTERLACED_TB ||\ 139 (field) == V4L2_FIELD_INTERLACED_BT ||\ 140 (field) == V4L2_FIELD_SEQ_TB ||\ 141 (field) == V4L2_FIELD_SEQ_BT) 142 #define V4L2_FIELD_HAS_BOTH(field) \ 143 ((field) == V4L2_FIELD_INTERLACED ||\ 144 (field) == V4L2_FIELD_INTERLACED_TB ||\ 145 (field) == V4L2_FIELD_INTERLACED_BT ||\ 146 (field) == V4L2_FIELD_SEQ_TB ||\ 147 (field) == V4L2_FIELD_SEQ_BT) 148 149 enum v4l2_buf_type { 150 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 152 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 153 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 154 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 155 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 156 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 157 #if 1 158 /* Experimental */ 159 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 160 #endif 161 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 162 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 163 /* Deprecated, do not use */ 164 V4L2_BUF_TYPE_PRIVATE = 0x80, 165 }; 166 167 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 168 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 169 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 170 171 #define V4L2_TYPE_IS_OUTPUT(type) \ 172 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 173 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 174 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 175 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 176 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 177 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 178 179 enum v4l2_tuner_type { 180 V4L2_TUNER_RADIO = 1, 181 V4L2_TUNER_ANALOG_TV = 2, 182 V4L2_TUNER_DIGITAL_TV = 3, 183 }; 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* ITU-R 601 -- broadcast NTSC/PAL */ 195 V4L2_COLORSPACE_SMPTE170M = 1, 196 197 /* 1125-Line (US) HDTV */ 198 V4L2_COLORSPACE_SMPTE240M = 2, 199 200 /* HD and modern captures. */ 201 V4L2_COLORSPACE_REC709 = 3, 202 203 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 204 V4L2_COLORSPACE_BT878 = 4, 205 206 /* These should be useful. Assume 601 extents. */ 207 V4L2_COLORSPACE_470_SYSTEM_M = 5, 208 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 209 210 /* I know there will be cameras that send this. So, this is 211 * unspecified chromaticities and full 0-255 on each of the 212 * Y'CbCr components 213 */ 214 V4L2_COLORSPACE_JPEG = 7, 215 216 /* For RGB colourspaces, this is probably a good start. */ 217 V4L2_COLORSPACE_SRGB = 8, 218 }; 219 220 enum v4l2_priority { 221 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 222 V4L2_PRIORITY_BACKGROUND = 1, 223 V4L2_PRIORITY_INTERACTIVE = 2, 224 V4L2_PRIORITY_RECORD = 3, 225 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 226 }; 227 228 struct v4l2_rect { 229 __s32 left; 230 __s32 top; 231 __s32 width; 232 __s32 height; 233 }; 234 235 struct v4l2_fract { 236 __u32 numerator; 237 __u32 denominator; 238 }; 239 240 /** 241 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 242 * 243 * @driver: name of the driver module (e.g. "bttv") 244 * @card: name of the card (e.g. "Hauppauge WinTV") 245 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 246 * @version: KERNEL_VERSION 247 * @capabilities: capabilities of the physical device as a whole 248 * @device_caps: capabilities accessed via this particular device (node) 249 * @reserved: reserved fields for future extensions 250 */ 251 struct v4l2_capability { 252 __u8 driver[16]; 253 __u8 card[32]; 254 __u8 bus_info[32]; 255 __u32 version; 256 __u32 capabilities; 257 __u32 device_caps; 258 __u32 reserved[3]; 259 }; 260 261 /* Values for 'capabilities' field */ 262 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 263 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 264 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 265 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 266 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 267 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 268 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 269 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 270 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 271 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 272 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 273 274 /* Is a video capture device that supports multiplanar formats */ 275 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 276 /* Is a video output device that supports multiplanar formats */ 277 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 278 /* Is a video mem-to-mem device that supports multiplanar formats */ 279 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 280 /* Is a video mem-to-mem device */ 281 #define V4L2_CAP_VIDEO_M2M 0x00008000 282 283 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 284 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 285 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 286 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 287 288 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 289 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 290 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 291 292 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 293 294 /* 295 * V I D E O I M A G E F O R M A T 296 */ 297 struct v4l2_pix_format { 298 __u32 width; 299 __u32 height; 300 __u32 pixelformat; 301 __u32 field; /* enum v4l2_field */ 302 __u32 bytesperline; /* for padding, zero if unused */ 303 __u32 sizeimage; 304 __u32 colorspace; /* enum v4l2_colorspace */ 305 __u32 priv; /* private data, depends on pixelformat */ 306 }; 307 308 /* Pixel format FOURCC depth Description */ 309 310 /* RGB formats */ 311 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 312 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 313 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 314 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 315 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 316 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 317 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 318 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 319 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 320 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 321 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 322 323 /* Grey formats */ 324 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 325 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 326 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 327 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 328 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 329 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 330 331 /* Grey bit-packed formats */ 332 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 333 334 /* Palette formats */ 335 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 336 337 /* Chrominance formats */ 338 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 339 340 /* Luminance+Chrominance formats */ 341 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 342 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 343 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 344 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 345 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 346 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 347 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 348 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 349 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 350 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 351 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 352 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 353 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 354 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 355 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 356 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 357 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 358 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 359 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 360 361 /* two planes -- one Y, one Cr + Cb interleaved */ 362 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 363 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 364 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 365 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 366 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 367 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 368 369 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 370 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 371 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 372 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 373 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 374 375 /* three non contiguous planes - Y, Cb, Cr */ 376 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 377 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 378 379 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 380 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 381 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 382 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 383 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 384 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 385 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 386 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 387 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 388 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 389 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 390 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 391 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 392 /* 10bit raw bayer a-law compressed to 8 bits */ 393 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 394 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 395 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 396 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 397 /* 10bit raw bayer DPCM compressed to 8 bits */ 398 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 399 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 400 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 401 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 402 /* 403 * 10bit raw bayer, expanded to 16 bits 404 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 405 */ 406 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 407 408 /* compressed formats */ 409 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 410 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 411 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 412 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 413 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 414 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 415 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 416 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 417 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 418 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 419 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES */ 420 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 421 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 422 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 423 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 424 425 /* Vendor-specific formats */ 426 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 427 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 428 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 429 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 430 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 431 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 432 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 433 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 434 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 435 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 436 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 437 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 438 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 439 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 440 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 441 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 442 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 443 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 444 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 445 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 446 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 447 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 448 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 449 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 450 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 451 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 452 453 /* 454 * F O R M A T E N U M E R A T I O N 455 */ 456 struct v4l2_fmtdesc { 457 __u32 index; /* Format number */ 458 __u32 type; /* enum v4l2_buf_type */ 459 __u32 flags; 460 __u8 description[32]; /* Description string */ 461 __u32 pixelformat; /* Format fourcc */ 462 __u32 reserved[4]; 463 }; 464 465 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 466 #define V4L2_FMT_FLAG_EMULATED 0x0002 467 468 #if 1 469 /* Experimental Frame Size and frame rate enumeration */ 470 /* 471 * F R A M E S I Z E E N U M E R A T I O N 472 */ 473 enum v4l2_frmsizetypes { 474 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 475 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 476 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 477 }; 478 479 struct v4l2_frmsize_discrete { 480 __u32 width; /* Frame width [pixel] */ 481 __u32 height; /* Frame height [pixel] */ 482 }; 483 484 struct v4l2_frmsize_stepwise { 485 __u32 min_width; /* Minimum frame width [pixel] */ 486 __u32 max_width; /* Maximum frame width [pixel] */ 487 __u32 step_width; /* Frame width step size [pixel] */ 488 __u32 min_height; /* Minimum frame height [pixel] */ 489 __u32 max_height; /* Maximum frame height [pixel] */ 490 __u32 step_height; /* Frame height step size [pixel] */ 491 }; 492 493 struct v4l2_frmsizeenum { 494 __u32 index; /* Frame size number */ 495 __u32 pixel_format; /* Pixel format */ 496 __u32 type; /* Frame size type the device supports. */ 497 498 union { /* Frame size */ 499 struct v4l2_frmsize_discrete discrete; 500 struct v4l2_frmsize_stepwise stepwise; 501 }; 502 503 __u32 reserved[2]; /* Reserved space for future use */ 504 }; 505 506 /* 507 * F R A M E R A T E E N U M E R A T I O N 508 */ 509 enum v4l2_frmivaltypes { 510 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 511 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 512 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 513 }; 514 515 struct v4l2_frmival_stepwise { 516 struct v4l2_fract min; /* Minimum frame interval [s] */ 517 struct v4l2_fract max; /* Maximum frame interval [s] */ 518 struct v4l2_fract step; /* Frame interval step size [s] */ 519 }; 520 521 struct v4l2_frmivalenum { 522 __u32 index; /* Frame format index */ 523 __u32 pixel_format; /* Pixel format */ 524 __u32 width; /* Frame width */ 525 __u32 height; /* Frame height */ 526 __u32 type; /* Frame interval type the device supports. */ 527 528 union { /* Frame interval */ 529 struct v4l2_fract discrete; 530 struct v4l2_frmival_stepwise stepwise; 531 }; 532 533 __u32 reserved[2]; /* Reserved space for future use */ 534 }; 535 #endif 536 537 /* 538 * T I M E C O D E 539 */ 540 struct v4l2_timecode { 541 __u32 type; 542 __u32 flags; 543 __u8 frames; 544 __u8 seconds; 545 __u8 minutes; 546 __u8 hours; 547 __u8 userbits[4]; 548 }; 549 550 /* Type */ 551 #define V4L2_TC_TYPE_24FPS 1 552 #define V4L2_TC_TYPE_25FPS 2 553 #define V4L2_TC_TYPE_30FPS 3 554 #define V4L2_TC_TYPE_50FPS 4 555 #define V4L2_TC_TYPE_60FPS 5 556 557 /* Flags */ 558 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 559 #define V4L2_TC_FLAG_COLORFRAME 0x0002 560 #define V4L2_TC_USERBITS_field 0x000C 561 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 562 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 563 /* The above is based on SMPTE timecodes */ 564 565 struct v4l2_jpegcompression { 566 int quality; 567 568 int APPn; /* Number of APP segment to be written, 569 * must be 0..15 */ 570 int APP_len; /* Length of data in JPEG APPn segment */ 571 char APP_data[60]; /* Data in the JPEG APPn segment. */ 572 573 int COM_len; /* Length of data in JPEG COM segment */ 574 char COM_data[60]; /* Data in JPEG COM segment */ 575 576 __u32 jpeg_markers; /* Which markers should go into the JPEG 577 * output. Unless you exactly know what 578 * you do, leave them untouched. 579 * Inluding less markers will make the 580 * resulting code smaller, but there will 581 * be fewer applications which can read it. 582 * The presence of the APP and COM marker 583 * is influenced by APP_len and COM_len 584 * ONLY, not by this property! */ 585 586 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 587 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 588 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 589 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 590 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 591 * allways use APP0 */ 592 }; 593 594 /* 595 * M E M O R Y - M A P P I N G B U F F E R S 596 */ 597 struct v4l2_requestbuffers { 598 __u32 count; 599 __u32 type; /* enum v4l2_buf_type */ 600 __u32 memory; /* enum v4l2_memory */ 601 __u32 reserved[2]; 602 }; 603 604 /** 605 * struct v4l2_plane - plane info for multi-planar buffers 606 * @bytesused: number of bytes occupied by data in the plane (payload) 607 * @length: size of this plane (NOT the payload) in bytes 608 * @mem_offset: when memory in the associated struct v4l2_buffer is 609 * V4L2_MEMORY_MMAP, equals the offset from the start of 610 * the device memory for this plane (or is a "cookie" that 611 * should be passed to mmap() called on the video node) 612 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 613 * pointing to this plane 614 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 615 * descriptor associated with this plane 616 * @data_offset: offset in the plane to the start of data; usually 0, 617 * unless there is a header in front of the data 618 * 619 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 620 * with two planes can have one plane for Y, and another for interleaved CbCr 621 * components. Each plane can reside in a separate memory buffer, or even in 622 * a completely separate memory node (e.g. in embedded devices). 623 */ 624 struct v4l2_plane { 625 __u32 bytesused; 626 __u32 length; 627 union { 628 __u32 mem_offset; 629 unsigned long userptr; 630 __s32 fd; 631 } m; 632 __u32 data_offset; 633 __u32 reserved[11]; 634 }; 635 636 /** 637 * struct v4l2_buffer - video buffer info 638 * @index: id number of the buffer 639 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 640 * multiplanar buffers); 641 * @bytesused: number of bytes occupied by data in the buffer (payload); 642 * unused (set to 0) for multiplanar buffers 643 * @flags: buffer informational flags 644 * @field: enum v4l2_field; field order of the image in the buffer 645 * @timestamp: frame timestamp 646 * @timecode: frame timecode 647 * @sequence: sequence count of this frame 648 * @memory: enum v4l2_memory; the method, in which the actual video data is 649 * passed 650 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 651 * offset from the start of the device memory for this plane, 652 * (or a "cookie" that should be passed to mmap() as offset) 653 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 654 * a userspace pointer pointing to this buffer 655 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 656 * a userspace file descriptor associated with this buffer 657 * @planes: for multiplanar buffers; userspace pointer to the array of plane 658 * info structs for this buffer 659 * @length: size in bytes of the buffer (NOT its payload) for single-plane 660 * buffers (when type != *_MPLANE); number of elements in the 661 * planes array for multi-plane buffers 662 * @input: input number from which the video data has has been captured 663 * 664 * Contains data exchanged by application and driver using one of the Streaming 665 * I/O methods. 666 */ 667 struct v4l2_buffer { 668 __u32 index; 669 __u32 type; 670 __u32 bytesused; 671 __u32 flags; 672 __u32 field; 673 struct timeval timestamp; 674 struct v4l2_timecode timecode; 675 __u32 sequence; 676 677 /* memory location */ 678 __u32 memory; 679 union { 680 __u32 offset; 681 unsigned long userptr; 682 struct v4l2_plane *planes; 683 __s32 fd; 684 } m; 685 __u32 length; 686 __u32 reserved2; 687 __u32 reserved; 688 }; 689 690 /* Flags for 'flags' field */ 691 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 692 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 693 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 694 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 695 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 696 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 697 /* Buffer is ready, but the data contained within is corrupted. */ 698 #define V4L2_BUF_FLAG_ERROR 0x0040 699 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 700 #define V4L2_BUF_FLAG_PREPARED 0x0400 /* Buffer is prepared for queuing */ 701 /* Cache handling flags */ 702 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 703 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 704 /* Timestamp type */ 705 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 706 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 707 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 708 709 /** 710 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 711 * 712 * @index: id number of the buffer 713 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 714 * multiplanar buffers); 715 * @plane: index of the plane to be exported, 0 for single plane queues 716 * @flags: flags for newly created file, currently only O_CLOEXEC is 717 * supported, refer to manual of open syscall for more details 718 * @fd: file descriptor associated with DMABUF (set by driver) 719 * 720 * Contains data used for exporting a video buffer as DMABUF file descriptor. 721 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 722 * (identical to the cookie used to mmap() the buffer to userspace). All 723 * reserved fields must be set to zero. The field reserved0 is expected to 724 * become a structure 'type' allowing an alternative layout of the structure 725 * content. Therefore this field should not be used for any other extensions. 726 */ 727 struct v4l2_exportbuffer { 728 __u32 type; /* enum v4l2_buf_type */ 729 __u32 index; 730 __u32 plane; 731 __u32 flags; 732 __s32 fd; 733 __u32 reserved[11]; 734 }; 735 736 /* 737 * O V E R L A Y P R E V I E W 738 */ 739 struct v4l2_framebuffer { 740 __u32 capability; 741 __u32 flags; 742 /* FIXME: in theory we should pass something like PCI device + memory 743 * region + offset instead of some physical address */ 744 void *base; 745 struct v4l2_pix_format fmt; 746 }; 747 /* Flags for the 'capability' field. Read only */ 748 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 749 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 750 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 751 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 752 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 753 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 754 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 755 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 756 /* Flags for the 'flags' field. */ 757 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 758 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 759 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 760 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 761 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 762 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 763 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 764 765 struct v4l2_clip { 766 struct v4l2_rect c; 767 struct v4l2_clip __user *next; 768 }; 769 770 struct v4l2_window { 771 struct v4l2_rect w; 772 __u32 field; /* enum v4l2_field */ 773 __u32 chromakey; 774 struct v4l2_clip __user *clips; 775 __u32 clipcount; 776 void __user *bitmap; 777 __u8 global_alpha; 778 }; 779 780 /* 781 * C A P T U R E P A R A M E T E R S 782 */ 783 struct v4l2_captureparm { 784 __u32 capability; /* Supported modes */ 785 __u32 capturemode; /* Current mode */ 786 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 787 __u32 extendedmode; /* Driver-specific extensions */ 788 __u32 readbuffers; /* # of buffers for read */ 789 __u32 reserved[4]; 790 }; 791 792 /* Flags for 'capability' and 'capturemode' fields */ 793 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 794 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 795 796 struct v4l2_outputparm { 797 __u32 capability; /* Supported modes */ 798 __u32 outputmode; /* Current mode */ 799 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 800 __u32 extendedmode; /* Driver-specific extensions */ 801 __u32 writebuffers; /* # of buffers for write */ 802 __u32 reserved[4]; 803 }; 804 805 /* 806 * I N P U T I M A G E C R O P P I N G 807 */ 808 struct v4l2_cropcap { 809 __u32 type; /* enum v4l2_buf_type */ 810 struct v4l2_rect bounds; 811 struct v4l2_rect defrect; 812 struct v4l2_fract pixelaspect; 813 }; 814 815 struct v4l2_crop { 816 __u32 type; /* enum v4l2_buf_type */ 817 struct v4l2_rect c; 818 }; 819 820 /** 821 * struct v4l2_selection - selection info 822 * @type: buffer type (do not use *_MPLANE types) 823 * @target: Selection target, used to choose one of possible rectangles; 824 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 825 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 826 * @r: coordinates of selection window 827 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 828 * 829 * Hardware may use multiple helper windows to process a video stream. 830 * The structure is used to exchange this selection areas between 831 * an application and a driver. 832 */ 833 struct v4l2_selection { 834 __u32 type; 835 __u32 target; 836 __u32 flags; 837 struct v4l2_rect r; 838 __u32 reserved[9]; 839 }; 840 841 842 /* 843 * A N A L O G V I D E O S T A N D A R D 844 */ 845 846 typedef __u64 v4l2_std_id; 847 848 /* one bit for each */ 849 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 850 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 851 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 852 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 853 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 854 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 855 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 856 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 857 858 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 859 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 860 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 861 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 862 863 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 864 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 865 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 866 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 867 868 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 869 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 870 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 871 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 872 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 873 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 874 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 875 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 876 877 /* ATSC/HDTV */ 878 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 879 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 880 881 /* FIXME: 882 Although std_id is 64 bits, there is an issue on PPC32 architecture that 883 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 884 this value to 32 bits. 885 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 886 it should work fine. However, if needed to add more than two standards, 887 v4l2-common.c should be fixed. 888 */ 889 890 /* 891 * Some macros to merge video standards in order to make live easier for the 892 * drivers and V4L2 applications 893 */ 894 895 /* 896 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 897 * Missing here. 898 */ 899 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 900 V4L2_STD_NTSC_M_JP |\ 901 V4L2_STD_NTSC_M_KR) 902 /* Secam macros */ 903 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 904 V4L2_STD_SECAM_K |\ 905 V4L2_STD_SECAM_K1) 906 /* All Secam Standards */ 907 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 908 V4L2_STD_SECAM_G |\ 909 V4L2_STD_SECAM_H |\ 910 V4L2_STD_SECAM_DK |\ 911 V4L2_STD_SECAM_L |\ 912 V4L2_STD_SECAM_LC) 913 /* PAL macros */ 914 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 915 V4L2_STD_PAL_B1 |\ 916 V4L2_STD_PAL_G) 917 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 918 V4L2_STD_PAL_D1 |\ 919 V4L2_STD_PAL_K) 920 /* 921 * "Common" PAL - This macro is there to be compatible with the old 922 * V4L1 concept of "PAL": /BGDKHI. 923 * Several PAL standards are mising here: /M, /N and /Nc 924 */ 925 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 926 V4L2_STD_PAL_DK |\ 927 V4L2_STD_PAL_H |\ 928 V4L2_STD_PAL_I) 929 /* Chroma "agnostic" standards */ 930 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 931 V4L2_STD_PAL_B1 |\ 932 V4L2_STD_SECAM_B) 933 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 934 V4L2_STD_SECAM_G) 935 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 936 V4L2_STD_SECAM_H) 937 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 938 V4L2_STD_SECAM_LC) 939 #define V4L2_STD_GH (V4L2_STD_G |\ 940 V4L2_STD_H) 941 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 942 V4L2_STD_SECAM_DK) 943 #define V4L2_STD_BG (V4L2_STD_B |\ 944 V4L2_STD_G) 945 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 946 V4L2_STD_PAL_N |\ 947 V4L2_STD_PAL_Nc |\ 948 V4L2_STD_NTSC) 949 950 /* Standards where MTS/BTSC stereo could be found */ 951 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 952 V4L2_STD_PAL_M |\ 953 V4L2_STD_PAL_N |\ 954 V4L2_STD_PAL_Nc) 955 956 /* Standards for Countries with 60Hz Line frequency */ 957 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 958 V4L2_STD_PAL_60 |\ 959 V4L2_STD_NTSC |\ 960 V4L2_STD_NTSC_443) 961 /* Standards for Countries with 50Hz Line frequency */ 962 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 963 V4L2_STD_PAL_N |\ 964 V4L2_STD_PAL_Nc |\ 965 V4L2_STD_SECAM) 966 967 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 968 V4L2_STD_ATSC_16_VSB) 969 /* Macros with none and all analog standards */ 970 #define V4L2_STD_UNKNOWN 0 971 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 972 V4L2_STD_625_50) 973 974 struct v4l2_standard { 975 __u32 index; 976 v4l2_std_id id; 977 __u8 name[24]; 978 struct v4l2_fract frameperiod; /* Frames, not fields */ 979 __u32 framelines; 980 __u32 reserved[4]; 981 }; 982 983 /* The DV Preset API is deprecated in favor of the DV Timings API. 984 New drivers shouldn't use this anymore! */ 985 986 /* 987 * V I D E O T I M I N G S D V P R E S E T 988 */ 989 struct v4l2_dv_preset { 990 __u32 preset; 991 __u32 reserved[4]; 992 }; 993 994 /* 995 * D V P R E S E T S E N U M E R A T I O N 996 */ 997 struct v4l2_dv_enum_preset { 998 __u32 index; 999 __u32 preset; 1000 __u8 name[32]; /* Name of the preset timing */ 1001 __u32 width; 1002 __u32 height; 1003 __u32 reserved[4]; 1004 }; 1005 1006 /* 1007 * D V P R E S E T V A L U E S 1008 */ 1009 #define V4L2_DV_INVALID 0 1010 #define V4L2_DV_480P59_94 1 /* BT.1362 */ 1011 #define V4L2_DV_576P50 2 /* BT.1362 */ 1012 #define V4L2_DV_720P24 3 /* SMPTE 296M */ 1013 #define V4L2_DV_720P25 4 /* SMPTE 296M */ 1014 #define V4L2_DV_720P30 5 /* SMPTE 296M */ 1015 #define V4L2_DV_720P50 6 /* SMPTE 296M */ 1016 #define V4L2_DV_720P59_94 7 /* SMPTE 274M */ 1017 #define V4L2_DV_720P60 8 /* SMPTE 274M/296M */ 1018 #define V4L2_DV_1080I29_97 9 /* BT.1120/ SMPTE 274M */ 1019 #define V4L2_DV_1080I30 10 /* BT.1120/ SMPTE 274M */ 1020 #define V4L2_DV_1080I25 11 /* BT.1120 */ 1021 #define V4L2_DV_1080I50 12 /* SMPTE 296M */ 1022 #define V4L2_DV_1080I60 13 /* SMPTE 296M */ 1023 #define V4L2_DV_1080P24 14 /* SMPTE 296M */ 1024 #define V4L2_DV_1080P25 15 /* SMPTE 296M */ 1025 #define V4L2_DV_1080P30 16 /* SMPTE 296M */ 1026 #define V4L2_DV_1080P50 17 /* BT.1120 */ 1027 #define V4L2_DV_1080P60 18 /* BT.1120 */ 1028 1029 /* 1030 * D V B T T I M I N G S 1031 */ 1032 1033 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1034 * @width: total width of the active video in pixels 1035 * @height: total height of the active video in lines 1036 * @interlaced: Interlaced or progressive 1037 * @polarities: Positive or negative polarities 1038 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1039 * @hfrontporch:Horizontal front porch in pixels 1040 * @hsync: Horizontal Sync length in pixels 1041 * @hbackporch: Horizontal back porch in pixels 1042 * @vfrontporch:Vertical front porch in lines 1043 * @vsync: Vertical Sync length in lines 1044 * @vbackporch: Vertical back porch in lines 1045 * @il_vfrontporch:Vertical front porch for the even field 1046 * (aka field 2) of interlaced field formats 1047 * @il_vsync: Vertical Sync length for the even field 1048 * (aka field 2) of interlaced field formats 1049 * @il_vbackporch:Vertical back porch for the even field 1050 * (aka field 2) of interlaced field formats 1051 * @standards: Standards the timing belongs to 1052 * @flags: Flags 1053 * @reserved: Reserved fields, must be zeroed. 1054 * 1055 * A note regarding vertical interlaced timings: height refers to the total 1056 * height of the active video frame (= two fields). The blanking timings refer 1057 * to the blanking of each field. So the height of the total frame is 1058 * calculated as follows: 1059 * 1060 * tot_height = height + vfrontporch + vsync + vbackporch + 1061 * il_vfrontporch + il_vsync + il_vbackporch 1062 * 1063 * The active height of each field is height / 2. 1064 */ 1065 struct v4l2_bt_timings { 1066 __u32 width; 1067 __u32 height; 1068 __u32 interlaced; 1069 __u32 polarities; 1070 __u64 pixelclock; 1071 __u32 hfrontporch; 1072 __u32 hsync; 1073 __u32 hbackporch; 1074 __u32 vfrontporch; 1075 __u32 vsync; 1076 __u32 vbackporch; 1077 __u32 il_vfrontporch; 1078 __u32 il_vsync; 1079 __u32 il_vbackporch; 1080 __u32 standards; 1081 __u32 flags; 1082 __u32 reserved[14]; 1083 } __attribute__ ((packed)); 1084 1085 /* Interlaced or progressive format */ 1086 #define V4L2_DV_PROGRESSIVE 0 1087 #define V4L2_DV_INTERLACED 1 1088 1089 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1090 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1091 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1092 1093 /* Timings standards */ 1094 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1095 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1096 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1097 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1098 1099 /* Flags */ 1100 1101 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1102 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1103 intervals are reduced, allowing a higher resolution over the same 1104 bandwidth. This is a read-only flag. */ 1105 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1106 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1107 of six. These formats can be optionally played at 1 / 1.001 speed. 1108 This is a read-only flag. */ 1109 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1110 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1111 by receivers. 1112 If the framerate of the format is a multiple of six, then the pixelclock 1113 used to set up the transmitter is divided by 1.001 to make it compatible 1114 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1115 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1116 such frequencies, then the flag will also be cleared. */ 1117 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1118 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1119 longer and field 2 is really one half-line shorter, so each field has 1120 exactly the same number of half-lines. Whether half-lines can be detected 1121 or used depends on the hardware. */ 1122 #define V4L2_DV_FL_HALF_LINE (1 << 0) 1123 1124 1125 /** struct v4l2_dv_timings - DV timings 1126 * @type: the type of the timings 1127 * @bt: BT656/1120 timings 1128 */ 1129 struct v4l2_dv_timings { 1130 __u32 type; 1131 union { 1132 struct v4l2_bt_timings bt; 1133 __u32 reserved[32]; 1134 }; 1135 } __attribute__ ((packed)); 1136 1137 /* Values for the type field */ 1138 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1139 1140 1141 /** struct v4l2_enum_dv_timings - DV timings enumeration 1142 * @index: enumeration index 1143 * @reserved: must be zeroed 1144 * @timings: the timings for the given index 1145 */ 1146 struct v4l2_enum_dv_timings { 1147 __u32 index; 1148 __u32 reserved[3]; 1149 struct v4l2_dv_timings timings; 1150 }; 1151 1152 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1153 * @min_width: width in pixels 1154 * @max_width: width in pixels 1155 * @min_height: height in lines 1156 * @max_height: height in lines 1157 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1158 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1159 * @standards: Supported standards 1160 * @capabilities: Supported capabilities 1161 * @reserved: Must be zeroed 1162 */ 1163 struct v4l2_bt_timings_cap { 1164 __u32 min_width; 1165 __u32 max_width; 1166 __u32 min_height; 1167 __u32 max_height; 1168 __u64 min_pixelclock; 1169 __u64 max_pixelclock; 1170 __u32 standards; 1171 __u32 capabilities; 1172 __u32 reserved[16]; 1173 } __attribute__ ((packed)); 1174 1175 /* Supports interlaced formats */ 1176 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1177 /* Supports progressive formats */ 1178 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1179 /* Supports CVT/GTF reduced blanking */ 1180 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1181 /* Supports custom formats */ 1182 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1183 1184 /** struct v4l2_dv_timings_cap - DV timings capabilities 1185 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1186 * @bt: the BT656/1120 timings capabilities 1187 */ 1188 struct v4l2_dv_timings_cap { 1189 __u32 type; 1190 __u32 reserved[3]; 1191 union { 1192 struct v4l2_bt_timings_cap bt; 1193 __u32 raw_data[32]; 1194 }; 1195 }; 1196 1197 1198 /* 1199 * V I D E O I N P U T S 1200 */ 1201 struct v4l2_input { 1202 __u32 index; /* Which input */ 1203 __u8 name[32]; /* Label */ 1204 __u32 type; /* Type of input */ 1205 __u32 audioset; /* Associated audios (bitfield) */ 1206 __u32 tuner; /* enum v4l2_tuner_type */ 1207 v4l2_std_id std; 1208 __u32 status; 1209 __u32 capabilities; 1210 __u32 reserved[3]; 1211 }; 1212 1213 /* Values for the 'type' field */ 1214 #define V4L2_INPUT_TYPE_TUNER 1 1215 #define V4L2_INPUT_TYPE_CAMERA 2 1216 1217 /* field 'status' - general */ 1218 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1219 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1220 #define V4L2_IN_ST_NO_COLOR 0x00000004 1221 1222 /* field 'status' - sensor orientation */ 1223 /* If sensor is mounted upside down set both bits */ 1224 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1225 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1226 1227 /* field 'status' - analog */ 1228 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1229 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1230 1231 /* field 'status' - digital */ 1232 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1233 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1234 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1235 1236 /* field 'status' - VCR and set-top box */ 1237 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1238 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1239 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1240 1241 /* capabilities flags */ 1242 #define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ 1243 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1244 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1245 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1246 1247 /* 1248 * V I D E O O U T P U T S 1249 */ 1250 struct v4l2_output { 1251 __u32 index; /* Which output */ 1252 __u8 name[32]; /* Label */ 1253 __u32 type; /* Type of output */ 1254 __u32 audioset; /* Associated audios (bitfield) */ 1255 __u32 modulator; /* Associated modulator */ 1256 v4l2_std_id std; 1257 __u32 capabilities; 1258 __u32 reserved[3]; 1259 }; 1260 /* Values for the 'type' field */ 1261 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1262 #define V4L2_OUTPUT_TYPE_ANALOG 2 1263 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1264 1265 /* capabilities flags */ 1266 #define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ 1267 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1268 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1269 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1270 1271 /* 1272 * C O N T R O L S 1273 */ 1274 struct v4l2_control { 1275 __u32 id; 1276 __s32 value; 1277 }; 1278 1279 struct v4l2_ext_control { 1280 __u32 id; 1281 __u32 size; 1282 __u32 reserved2[1]; 1283 union { 1284 __s32 value; 1285 __s64 value64; 1286 char *string; 1287 }; 1288 } __attribute__ ((packed)); 1289 1290 struct v4l2_ext_controls { 1291 __u32 ctrl_class; 1292 __u32 count; 1293 __u32 error_idx; 1294 __u32 reserved[2]; 1295 struct v4l2_ext_control *controls; 1296 }; 1297 1298 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1299 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1300 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1301 1302 enum v4l2_ctrl_type { 1303 V4L2_CTRL_TYPE_INTEGER = 1, 1304 V4L2_CTRL_TYPE_BOOLEAN = 2, 1305 V4L2_CTRL_TYPE_MENU = 3, 1306 V4L2_CTRL_TYPE_BUTTON = 4, 1307 V4L2_CTRL_TYPE_INTEGER64 = 5, 1308 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1309 V4L2_CTRL_TYPE_STRING = 7, 1310 V4L2_CTRL_TYPE_BITMASK = 8, 1311 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1312 }; 1313 1314 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1315 struct v4l2_queryctrl { 1316 __u32 id; 1317 __u32 type; /* enum v4l2_ctrl_type */ 1318 __u8 name[32]; /* Whatever */ 1319 __s32 minimum; /* Note signedness */ 1320 __s32 maximum; 1321 __s32 step; 1322 __s32 default_value; 1323 __u32 flags; 1324 __u32 reserved[2]; 1325 }; 1326 1327 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1328 struct v4l2_querymenu { 1329 __u32 id; 1330 __u32 index; 1331 union { 1332 __u8 name[32]; /* Whatever */ 1333 __s64 value; 1334 }; 1335 __u32 reserved; 1336 } __attribute__ ((packed)); 1337 1338 /* Control flags */ 1339 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1340 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1341 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1342 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1343 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1344 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1345 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1346 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1347 1348 /* Query flag, to be ORed with the control ID */ 1349 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1350 1351 /* User-class control IDs defined by V4L2 */ 1352 #define V4L2_CID_MAX_CTRLS 1024 1353 /* IDs reserved for driver specific controls */ 1354 #define V4L2_CID_PRIVATE_BASE 0x08000000 1355 1356 1357 /* 1358 * T U N I N G 1359 */ 1360 struct v4l2_tuner { 1361 __u32 index; 1362 __u8 name[32]; 1363 __u32 type; /* enum v4l2_tuner_type */ 1364 __u32 capability; 1365 __u32 rangelow; 1366 __u32 rangehigh; 1367 __u32 rxsubchans; 1368 __u32 audmode; 1369 __s32 signal; 1370 __s32 afc; 1371 __u32 reserved[4]; 1372 }; 1373 1374 struct v4l2_modulator { 1375 __u32 index; 1376 __u8 name[32]; 1377 __u32 capability; 1378 __u32 rangelow; 1379 __u32 rangehigh; 1380 __u32 txsubchans; 1381 __u32 reserved[4]; 1382 }; 1383 1384 /* Flags for the 'capability' field */ 1385 #define V4L2_TUNER_CAP_LOW 0x0001 1386 #define V4L2_TUNER_CAP_NORM 0x0002 1387 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1388 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1389 #define V4L2_TUNER_CAP_STEREO 0x0010 1390 #define V4L2_TUNER_CAP_LANG2 0x0020 1391 #define V4L2_TUNER_CAP_SAP 0x0020 1392 #define V4L2_TUNER_CAP_LANG1 0x0040 1393 #define V4L2_TUNER_CAP_RDS 0x0080 1394 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1395 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1396 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1397 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1398 1399 /* Flags for the 'rxsubchans' field */ 1400 #define V4L2_TUNER_SUB_MONO 0x0001 1401 #define V4L2_TUNER_SUB_STEREO 0x0002 1402 #define V4L2_TUNER_SUB_LANG2 0x0004 1403 #define V4L2_TUNER_SUB_SAP 0x0004 1404 #define V4L2_TUNER_SUB_LANG1 0x0008 1405 #define V4L2_TUNER_SUB_RDS 0x0010 1406 1407 /* Values for the 'audmode' field */ 1408 #define V4L2_TUNER_MODE_MONO 0x0000 1409 #define V4L2_TUNER_MODE_STEREO 0x0001 1410 #define V4L2_TUNER_MODE_LANG2 0x0002 1411 #define V4L2_TUNER_MODE_SAP 0x0002 1412 #define V4L2_TUNER_MODE_LANG1 0x0003 1413 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1414 1415 struct v4l2_frequency { 1416 __u32 tuner; 1417 __u32 type; /* enum v4l2_tuner_type */ 1418 __u32 frequency; 1419 __u32 reserved[8]; 1420 }; 1421 1422 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1423 #define V4L2_BAND_MODULATION_FM (1 << 2) 1424 #define V4L2_BAND_MODULATION_AM (1 << 3) 1425 1426 struct v4l2_frequency_band { 1427 __u32 tuner; 1428 __u32 type; /* enum v4l2_tuner_type */ 1429 __u32 index; 1430 __u32 capability; 1431 __u32 rangelow; 1432 __u32 rangehigh; 1433 __u32 modulation; 1434 __u32 reserved[9]; 1435 }; 1436 1437 struct v4l2_hw_freq_seek { 1438 __u32 tuner; 1439 __u32 type; /* enum v4l2_tuner_type */ 1440 __u32 seek_upward; 1441 __u32 wrap_around; 1442 __u32 spacing; 1443 __u32 rangelow; 1444 __u32 rangehigh; 1445 __u32 reserved[5]; 1446 }; 1447 1448 /* 1449 * R D S 1450 */ 1451 1452 struct v4l2_rds_data { 1453 __u8 lsb; 1454 __u8 msb; 1455 __u8 block; 1456 } __attribute__ ((packed)); 1457 1458 #define V4L2_RDS_BLOCK_MSK 0x7 1459 #define V4L2_RDS_BLOCK_A 0 1460 #define V4L2_RDS_BLOCK_B 1 1461 #define V4L2_RDS_BLOCK_C 2 1462 #define V4L2_RDS_BLOCK_D 3 1463 #define V4L2_RDS_BLOCK_C_ALT 4 1464 #define V4L2_RDS_BLOCK_INVALID 7 1465 1466 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1467 #define V4L2_RDS_BLOCK_ERROR 0x80 1468 1469 /* 1470 * A U D I O 1471 */ 1472 struct v4l2_audio { 1473 __u32 index; 1474 __u8 name[32]; 1475 __u32 capability; 1476 __u32 mode; 1477 __u32 reserved[2]; 1478 }; 1479 1480 /* Flags for the 'capability' field */ 1481 #define V4L2_AUDCAP_STEREO 0x00001 1482 #define V4L2_AUDCAP_AVL 0x00002 1483 1484 /* Flags for the 'mode' field */ 1485 #define V4L2_AUDMODE_AVL 0x00001 1486 1487 struct v4l2_audioout { 1488 __u32 index; 1489 __u8 name[32]; 1490 __u32 capability; 1491 __u32 mode; 1492 __u32 reserved[2]; 1493 }; 1494 1495 /* 1496 * M P E G S E R V I C E S 1497 * 1498 * NOTE: EXPERIMENTAL API 1499 */ 1500 #if 1 1501 #define V4L2_ENC_IDX_FRAME_I (0) 1502 #define V4L2_ENC_IDX_FRAME_P (1) 1503 #define V4L2_ENC_IDX_FRAME_B (2) 1504 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1505 1506 struct v4l2_enc_idx_entry { 1507 __u64 offset; 1508 __u64 pts; 1509 __u32 length; 1510 __u32 flags; 1511 __u32 reserved[2]; 1512 }; 1513 1514 #define V4L2_ENC_IDX_ENTRIES (64) 1515 struct v4l2_enc_idx { 1516 __u32 entries; 1517 __u32 entries_cap; 1518 __u32 reserved[4]; 1519 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1520 }; 1521 1522 1523 #define V4L2_ENC_CMD_START (0) 1524 #define V4L2_ENC_CMD_STOP (1) 1525 #define V4L2_ENC_CMD_PAUSE (2) 1526 #define V4L2_ENC_CMD_RESUME (3) 1527 1528 /* Flags for V4L2_ENC_CMD_STOP */ 1529 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1530 1531 struct v4l2_encoder_cmd { 1532 __u32 cmd; 1533 __u32 flags; 1534 union { 1535 struct { 1536 __u32 data[8]; 1537 } raw; 1538 }; 1539 }; 1540 1541 /* Decoder commands */ 1542 #define V4L2_DEC_CMD_START (0) 1543 #define V4L2_DEC_CMD_STOP (1) 1544 #define V4L2_DEC_CMD_PAUSE (2) 1545 #define V4L2_DEC_CMD_RESUME (3) 1546 1547 /* Flags for V4L2_DEC_CMD_START */ 1548 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1549 1550 /* Flags for V4L2_DEC_CMD_PAUSE */ 1551 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1552 1553 /* Flags for V4L2_DEC_CMD_STOP */ 1554 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1555 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1556 1557 /* Play format requirements (returned by the driver): */ 1558 1559 /* The decoder has no special format requirements */ 1560 #define V4L2_DEC_START_FMT_NONE (0) 1561 /* The decoder requires full GOPs */ 1562 #define V4L2_DEC_START_FMT_GOP (1) 1563 1564 /* The structure must be zeroed before use by the application 1565 This ensures it can be extended safely in the future. */ 1566 struct v4l2_decoder_cmd { 1567 __u32 cmd; 1568 __u32 flags; 1569 union { 1570 struct { 1571 __u64 pts; 1572 } stop; 1573 1574 struct { 1575 /* 0 or 1000 specifies normal speed, 1576 1 specifies forward single stepping, 1577 -1 specifies backward single stepping, 1578 >1: playback at speed/1000 of the normal speed, 1579 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1580 __s32 speed; 1581 __u32 format; 1582 } start; 1583 1584 struct { 1585 __u32 data[16]; 1586 } raw; 1587 }; 1588 }; 1589 #endif 1590 1591 1592 /* 1593 * D A T A S E R V I C E S ( V B I ) 1594 * 1595 * Data services API by Michael Schimek 1596 */ 1597 1598 /* Raw VBI */ 1599 struct v4l2_vbi_format { 1600 __u32 sampling_rate; /* in 1 Hz */ 1601 __u32 offset; 1602 __u32 samples_per_line; 1603 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1604 __s32 start[2]; 1605 __u32 count[2]; 1606 __u32 flags; /* V4L2_VBI_* */ 1607 __u32 reserved[2]; /* must be zero */ 1608 }; 1609 1610 /* VBI flags */ 1611 #define V4L2_VBI_UNSYNC (1 << 0) 1612 #define V4L2_VBI_INTERLACED (1 << 1) 1613 1614 /* Sliced VBI 1615 * 1616 * This implements is a proposal V4L2 API to allow SLICED VBI 1617 * required for some hardware encoders. It should change without 1618 * notice in the definitive implementation. 1619 */ 1620 1621 struct v4l2_sliced_vbi_format { 1622 __u16 service_set; 1623 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1624 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1625 (equals frame lines 313-336 for 625 line video 1626 standards, 263-286 for 525 line standards) */ 1627 __u16 service_lines[2][24]; 1628 __u32 io_size; 1629 __u32 reserved[2]; /* must be zero */ 1630 }; 1631 1632 /* Teletext World System Teletext 1633 (WST), defined on ITU-R BT.653-2 */ 1634 #define V4L2_SLICED_TELETEXT_B (0x0001) 1635 /* Video Program System, defined on ETS 300 231*/ 1636 #define V4L2_SLICED_VPS (0x0400) 1637 /* Closed Caption, defined on EIA-608 */ 1638 #define V4L2_SLICED_CAPTION_525 (0x1000) 1639 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1640 #define V4L2_SLICED_WSS_625 (0x4000) 1641 1642 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1643 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1644 1645 struct v4l2_sliced_vbi_cap { 1646 __u16 service_set; 1647 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1648 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1649 (equals frame lines 313-336 for 625 line video 1650 standards, 263-286 for 525 line standards) */ 1651 __u16 service_lines[2][24]; 1652 __u32 type; /* enum v4l2_buf_type */ 1653 __u32 reserved[3]; /* must be 0 */ 1654 }; 1655 1656 struct v4l2_sliced_vbi_data { 1657 __u32 id; 1658 __u32 field; /* 0: first field, 1: second field */ 1659 __u32 line; /* 1-23 */ 1660 __u32 reserved; /* must be 0 */ 1661 __u8 data[48]; 1662 }; 1663 1664 /* 1665 * Sliced VBI data inserted into MPEG Streams 1666 */ 1667 1668 /* 1669 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1670 * 1671 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1672 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1673 * data 1674 * 1675 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1676 * definitions are not included here. See the MPEG-2 specifications for details 1677 * on these headers. 1678 */ 1679 1680 /* Line type IDs */ 1681 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1682 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1683 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1684 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1685 1686 struct v4l2_mpeg_vbi_itv0_line { 1687 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1688 __u8 data[42]; /* Sliced VBI data for the line */ 1689 } __attribute__ ((packed)); 1690 1691 struct v4l2_mpeg_vbi_itv0 { 1692 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1693 struct v4l2_mpeg_vbi_itv0_line line[35]; 1694 } __attribute__ ((packed)); 1695 1696 struct v4l2_mpeg_vbi_ITV0 { 1697 struct v4l2_mpeg_vbi_itv0_line line[36]; 1698 } __attribute__ ((packed)); 1699 1700 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1701 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1702 1703 struct v4l2_mpeg_vbi_fmt_ivtv { 1704 __u8 magic[4]; 1705 union { 1706 struct v4l2_mpeg_vbi_itv0 itv0; 1707 struct v4l2_mpeg_vbi_ITV0 ITV0; 1708 }; 1709 } __attribute__ ((packed)); 1710 1711 /* 1712 * A G G R E G A T E S T R U C T U R E S 1713 */ 1714 1715 /** 1716 * struct v4l2_plane_pix_format - additional, per-plane format definition 1717 * @sizeimage: maximum size in bytes required for data, for which 1718 * this plane will be used 1719 * @bytesperline: distance in bytes between the leftmost pixels in two 1720 * adjacent lines 1721 */ 1722 struct v4l2_plane_pix_format { 1723 __u32 sizeimage; 1724 __u16 bytesperline; 1725 __u16 reserved[7]; 1726 } __attribute__ ((packed)); 1727 1728 /** 1729 * struct v4l2_pix_format_mplane - multiplanar format definition 1730 * @width: image width in pixels 1731 * @height: image height in pixels 1732 * @pixelformat: little endian four character code (fourcc) 1733 * @field: enum v4l2_field; field order (for interlaced video) 1734 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1735 * @plane_fmt: per-plane information 1736 * @num_planes: number of planes for this format 1737 */ 1738 struct v4l2_pix_format_mplane { 1739 __u32 width; 1740 __u32 height; 1741 __u32 pixelformat; 1742 __u32 field; 1743 __u32 colorspace; 1744 1745 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1746 __u8 num_planes; 1747 __u8 reserved[11]; 1748 } __attribute__ ((packed)); 1749 1750 /** 1751 * struct v4l2_format - stream data format 1752 * @type: enum v4l2_buf_type; type of the data stream 1753 * @pix: definition of an image format 1754 * @pix_mp: definition of a multiplanar image format 1755 * @win: definition of an overlaid image 1756 * @vbi: raw VBI capture or output parameters 1757 * @sliced: sliced VBI capture or output parameters 1758 * @raw_data: placeholder for future extensions and custom formats 1759 */ 1760 struct v4l2_format { 1761 __u32 type; 1762 union { 1763 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1764 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1765 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1766 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1767 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1768 __u8 raw_data[200]; /* user-defined */ 1769 } fmt; 1770 }; 1771 1772 /* Stream type-dependent parameters 1773 */ 1774 struct v4l2_streamparm { 1775 __u32 type; /* enum v4l2_buf_type */ 1776 union { 1777 struct v4l2_captureparm capture; 1778 struct v4l2_outputparm output; 1779 __u8 raw_data[200]; /* user-defined */ 1780 } parm; 1781 }; 1782 1783 /* 1784 * E V E N T S 1785 */ 1786 1787 #define V4L2_EVENT_ALL 0 1788 #define V4L2_EVENT_VSYNC 1 1789 #define V4L2_EVENT_EOS 2 1790 #define V4L2_EVENT_CTRL 3 1791 #define V4L2_EVENT_FRAME_SYNC 4 1792 #define V4L2_EVENT_PRIVATE_START 0x08000000 1793 1794 /* Payload for V4L2_EVENT_VSYNC */ 1795 struct v4l2_event_vsync { 1796 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1797 __u8 field; 1798 } __attribute__ ((packed)); 1799 1800 /* Payload for V4L2_EVENT_CTRL */ 1801 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1802 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1803 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1804 1805 struct v4l2_event_ctrl { 1806 __u32 changes; 1807 __u32 type; 1808 union { 1809 __s32 value; 1810 __s64 value64; 1811 }; 1812 __u32 flags; 1813 __s32 minimum; 1814 __s32 maximum; 1815 __s32 step; 1816 __s32 default_value; 1817 }; 1818 1819 struct v4l2_event_frame_sync { 1820 __u32 frame_sequence; 1821 }; 1822 1823 struct v4l2_event { 1824 __u32 type; 1825 union { 1826 struct v4l2_event_vsync vsync; 1827 struct v4l2_event_ctrl ctrl; 1828 struct v4l2_event_frame_sync frame_sync; 1829 __u8 data[64]; 1830 } u; 1831 __u32 pending; 1832 __u32 sequence; 1833 struct timespec timestamp; 1834 __u32 id; 1835 __u32 reserved[8]; 1836 }; 1837 1838 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 1839 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 1840 1841 struct v4l2_event_subscription { 1842 __u32 type; 1843 __u32 id; 1844 __u32 flags; 1845 __u32 reserved[5]; 1846 }; 1847 1848 /* 1849 * A D V A N C E D D E B U G G I N G 1850 * 1851 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 1852 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 1853 */ 1854 1855 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 1856 1857 #define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */ 1858 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 1859 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 1860 #define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */ 1861 1862 struct v4l2_dbg_match { 1863 __u32 type; /* Match type */ 1864 union { /* Match this chip, meaning determined by type */ 1865 __u32 addr; 1866 char name[32]; 1867 }; 1868 } __attribute__ ((packed)); 1869 1870 struct v4l2_dbg_register { 1871 struct v4l2_dbg_match match; 1872 __u32 size; /* register size in bytes */ 1873 __u64 reg; 1874 __u64 val; 1875 } __attribute__ ((packed)); 1876 1877 /* VIDIOC_DBG_G_CHIP_IDENT */ 1878 struct v4l2_dbg_chip_ident { 1879 struct v4l2_dbg_match match; 1880 __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */ 1881 __u32 revision; /* chip revision, chip specific */ 1882 } __attribute__ ((packed)); 1883 1884 /** 1885 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 1886 * @index: on return, index of the first created buffer 1887 * @count: entry: number of requested buffers, 1888 * return: number of created buffers 1889 * @memory: enum v4l2_memory; buffer memory type 1890 * @format: frame format, for which buffers are requested 1891 * @reserved: future extensions 1892 */ 1893 struct v4l2_create_buffers { 1894 __u32 index; 1895 __u32 count; 1896 __u32 memory; 1897 struct v4l2_format format; 1898 __u32 reserved[8]; 1899 }; 1900 1901 /* 1902 * 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 1903 * 1904 */ 1905 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 1906 #define VIDIOC_RESERVED _IO('V', 1) 1907 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 1908 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 1909 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 1910 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 1911 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 1912 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 1913 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 1914 #define VIDIOC_OVERLAY _IOW('V', 14, int) 1915 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 1916 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 1917 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 1918 #define VIDIOC_STREAMON _IOW('V', 18, int) 1919 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 1920 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 1921 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 1922 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 1923 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 1924 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 1925 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 1926 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 1927 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 1928 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 1929 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 1930 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 1931 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 1932 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 1933 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 1934 #define VIDIOC_G_INPUT _IOR('V', 38, int) 1935 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 1936 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 1937 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 1938 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 1939 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 1940 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 1941 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 1942 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 1943 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 1944 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 1945 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 1946 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 1947 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 1948 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 1949 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 1950 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 1951 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 1952 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 1953 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 1954 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 1955 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 1956 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 1957 #define VIDIOC_LOG_STATUS _IO('V', 70) 1958 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 1959 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 1960 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 1961 #if 1 1962 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 1963 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 1964 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 1965 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 1966 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 1967 #endif 1968 1969 #if 1 1970 /* Experimental, meant for debugging, testing and internal use. 1971 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 1972 You must be root to use these ioctls. Never use these in applications! */ 1973 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 1974 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 1975 1976 /* Experimental, meant for debugging, testing and internal use. 1977 Never use this ioctl in applications! */ 1978 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident) 1979 #endif 1980 1981 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 1982 1983 /* These four DV Preset ioctls are deprecated in favor of the DV Timings 1984 ioctls. */ 1985 #define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset) 1986 #define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset) 1987 #define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset) 1988 #define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset) 1989 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 1990 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 1991 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 1992 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 1993 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 1994 1995 /* Experimental, the below two ioctls may change over the next couple of kernel 1996 versions */ 1997 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 1998 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 1999 2000 /* Experimental selection API */ 2001 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2002 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2003 2004 /* Experimental, these two ioctls may change over the next couple of kernel 2005 versions. */ 2006 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2007 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2008 2009 /* Experimental, these three ioctls may change over the next couple of kernel 2010 versions. */ 2011 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2012 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2013 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2014 2015 /* Experimental, this ioctl may change over the next couple of kernel 2016 versions. */ 2017 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2018 2019 /* Reminder: when adding new ioctls please add support for them to 2020 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2021 2022 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2023 2024 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2025