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[linux-2.6/next.git] / include / linux / videodev2.h
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1 /*
2 * Video for Linux Two header file
4 * Copyright (C) 1999-2007 the contributors
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.
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.
16 * Alternatively you can redistribute this file under the terms of the
17 * BSD license as stated below:
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.
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.
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
49 * See http://linuxtv.org for more info
51 * Author: Bill Dirks <bill@thedirks.org>
52 * Justin Schoeman
53 * Hans Verkuil <hverkuil@xs4all.nl>
54 * et al.
56 #ifndef __LINUX_VIDEODEV2_H
57 #define __LINUX_VIDEODEV2_H
59 #ifdef __KERNEL__
60 #include <linux/time.h> /* need struct timeval */
61 #else
62 #include <sys/time.h>
63 #endif
64 #include <linux/compiler.h>
65 #include <linux/ioctl.h>
66 #include <linux/types.h>
69 * Common stuff for both V4L1 and V4L2
70 * Moved from videodev.h
72 #define VIDEO_MAX_FRAME 32
73 #define VIDEO_MAX_PLANES 8
75 #ifndef __KERNEL__
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. */
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
97 * M I S C E L L A N E O U S
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))
105 * E N U M S
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 */
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)
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 V4L2_BUF_TYPE_PRIVATE = 0x80,
166 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
167 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
170 #define V4L2_TYPE_IS_OUTPUT(type) \
171 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
173 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
174 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
175 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
176 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
178 enum v4l2_tuner_type {
179 V4L2_TUNER_RADIO = 1,
180 V4L2_TUNER_ANALOG_TV = 2,
181 V4L2_TUNER_DIGITAL_TV = 3,
184 enum v4l2_memory {
185 V4L2_MEMORY_MMAP = 1,
186 V4L2_MEMORY_USERPTR = 2,
187 V4L2_MEMORY_OVERLAY = 3,
190 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
191 enum v4l2_colorspace {
192 /* ITU-R 601 -- broadcast NTSC/PAL */
193 V4L2_COLORSPACE_SMPTE170M = 1,
195 /* 1125-Line (US) HDTV */
196 V4L2_COLORSPACE_SMPTE240M = 2,
198 /* HD and modern captures. */
199 V4L2_COLORSPACE_REC709 = 3,
201 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
202 V4L2_COLORSPACE_BT878 = 4,
204 /* These should be useful. Assume 601 extents. */
205 V4L2_COLORSPACE_470_SYSTEM_M = 5,
206 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
208 /* I know there will be cameras that send this. So, this is
209 * unspecified chromaticities and full 0-255 on each of the
210 * Y'CbCr components
212 V4L2_COLORSPACE_JPEG = 7,
214 /* For RGB colourspaces, this is probably a good start. */
215 V4L2_COLORSPACE_SRGB = 8,
218 enum v4l2_priority {
219 V4L2_PRIORITY_UNSET = 0, /* not initialized */
220 V4L2_PRIORITY_BACKGROUND = 1,
221 V4L2_PRIORITY_INTERACTIVE = 2,
222 V4L2_PRIORITY_RECORD = 3,
223 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
226 struct v4l2_rect {
227 __s32 left;
228 __s32 top;
229 __s32 width;
230 __s32 height;
233 struct v4l2_fract {
234 __u32 numerator;
235 __u32 denominator;
239 * D R I V E R C A P A B I L I T I E S
241 struct v4l2_capability {
242 __u8 driver[16]; /* i.e. "bttv" */
243 __u8 card[32]; /* i.e. "Hauppauge WinTV" */
244 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
245 __u32 version; /* should use KERNEL_VERSION() */
246 __u32 capabilities; /* Device capabilities */
247 __u32 reserved[4];
250 /* Values for 'capabilities' field */
251 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
252 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
253 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
254 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
255 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
256 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
257 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
258 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
259 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
260 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
261 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
263 /* Is a video capture device that supports multiplanar formats */
264 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
265 /* Is a video output device that supports multiplanar formats */
266 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
268 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
269 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
270 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
271 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
273 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
274 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
275 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
278 * V I D E O I M A G E F O R M A T
280 struct v4l2_pix_format {
281 __u32 width;
282 __u32 height;
283 __u32 pixelformat;
284 enum v4l2_field field;
285 __u32 bytesperline; /* for padding, zero if unused */
286 __u32 sizeimage;
287 enum v4l2_colorspace colorspace;
288 __u32 priv; /* private data, depends on pixelformat */
291 /* Pixel format FOURCC depth Description */
293 /* RGB formats */
294 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
295 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
296 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
297 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
298 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
299 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
300 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
301 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
302 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
303 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
304 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
306 /* Grey formats */
307 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
308 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
309 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
310 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
311 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
312 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
314 /* Grey bit-packed formats */
315 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
317 /* Palette formats */
318 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
320 /* Luminance+Chrominance formats */
321 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
322 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
323 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
324 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
325 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
326 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
327 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
328 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
329 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */
330 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
331 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
332 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
333 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
334 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
335 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
336 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
337 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
338 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
339 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
341 /* two planes -- one Y, one Cr + Cb interleaved */
342 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
343 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
344 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
345 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
347 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
348 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
349 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
351 /* three non contiguous planes - Y, Cb, Cr */
352 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
354 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
355 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
356 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
357 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
358 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
359 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
360 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
361 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
362 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
363 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
364 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
365 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
366 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
367 /* 10bit raw bayer DPCM compressed to 8 bits */
368 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
370 * 10bit raw bayer, expanded to 16 bits
371 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
373 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
375 /* compressed formats */
376 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
377 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
378 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
379 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 */
381 /* Vendor-specific formats */
382 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
383 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
384 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
385 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
386 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
387 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
388 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
389 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
390 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
391 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
392 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
393 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
394 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
395 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
396 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
397 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
398 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
399 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
400 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
401 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
402 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
403 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
404 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
407 * F O R M A T E N U M E R A T I O N
409 struct v4l2_fmtdesc {
410 __u32 index; /* Format number */
411 enum v4l2_buf_type type; /* buffer type */
412 __u32 flags;
413 __u8 description[32]; /* Description string */
414 __u32 pixelformat; /* Format fourcc */
415 __u32 reserved[4];
418 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
419 #define V4L2_FMT_FLAG_EMULATED 0x0002
421 #if 1
422 /* Experimental Frame Size and frame rate enumeration */
424 * F R A M E S I Z E E N U M E R A T I O N
426 enum v4l2_frmsizetypes {
427 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
428 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
429 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
432 struct v4l2_frmsize_discrete {
433 __u32 width; /* Frame width [pixel] */
434 __u32 height; /* Frame height [pixel] */
437 struct v4l2_frmsize_stepwise {
438 __u32 min_width; /* Minimum frame width [pixel] */
439 __u32 max_width; /* Maximum frame width [pixel] */
440 __u32 step_width; /* Frame width step size [pixel] */
441 __u32 min_height; /* Minimum frame height [pixel] */
442 __u32 max_height; /* Maximum frame height [pixel] */
443 __u32 step_height; /* Frame height step size [pixel] */
446 struct v4l2_frmsizeenum {
447 __u32 index; /* Frame size number */
448 __u32 pixel_format; /* Pixel format */
449 __u32 type; /* Frame size type the device supports. */
451 union { /* Frame size */
452 struct v4l2_frmsize_discrete discrete;
453 struct v4l2_frmsize_stepwise stepwise;
456 __u32 reserved[2]; /* Reserved space for future use */
460 * F R A M E R A T E E N U M E R A T I O N
462 enum v4l2_frmivaltypes {
463 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
464 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
465 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
468 struct v4l2_frmival_stepwise {
469 struct v4l2_fract min; /* Minimum frame interval [s] */
470 struct v4l2_fract max; /* Maximum frame interval [s] */
471 struct v4l2_fract step; /* Frame interval step size [s] */
474 struct v4l2_frmivalenum {
475 __u32 index; /* Frame format index */
476 __u32 pixel_format; /* Pixel format */
477 __u32 width; /* Frame width */
478 __u32 height; /* Frame height */
479 __u32 type; /* Frame interval type the device supports. */
481 union { /* Frame interval */
482 struct v4l2_fract discrete;
483 struct v4l2_frmival_stepwise stepwise;
486 __u32 reserved[2]; /* Reserved space for future use */
488 #endif
491 * T I M E C O D E
493 struct v4l2_timecode {
494 __u32 type;
495 __u32 flags;
496 __u8 frames;
497 __u8 seconds;
498 __u8 minutes;
499 __u8 hours;
500 __u8 userbits[4];
503 /* Type */
504 #define V4L2_TC_TYPE_24FPS 1
505 #define V4L2_TC_TYPE_25FPS 2
506 #define V4L2_TC_TYPE_30FPS 3
507 #define V4L2_TC_TYPE_50FPS 4
508 #define V4L2_TC_TYPE_60FPS 5
510 /* Flags */
511 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
512 #define V4L2_TC_FLAG_COLORFRAME 0x0002
513 #define V4L2_TC_USERBITS_field 0x000C
514 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
515 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
516 /* The above is based on SMPTE timecodes */
518 struct v4l2_jpegcompression {
519 int quality;
521 int APPn; /* Number of APP segment to be written,
522 * must be 0..15 */
523 int APP_len; /* Length of data in JPEG APPn segment */
524 char APP_data[60]; /* Data in the JPEG APPn segment. */
526 int COM_len; /* Length of data in JPEG COM segment */
527 char COM_data[60]; /* Data in JPEG COM segment */
529 __u32 jpeg_markers; /* Which markers should go into the JPEG
530 * output. Unless you exactly know what
531 * you do, leave them untouched.
532 * Inluding less markers will make the
533 * resulting code smaller, but there will
534 * be fewer applications which can read it.
535 * The presence of the APP and COM marker
536 * is influenced by APP_len and COM_len
537 * ONLY, not by this property! */
539 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
540 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
541 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
542 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
543 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
544 * allways use APP0 */
548 * M E M O R Y - M A P P I N G B U F F E R S
550 struct v4l2_requestbuffers {
551 __u32 count;
552 enum v4l2_buf_type type;
553 enum v4l2_memory memory;
554 __u32 reserved[2];
558 * struct v4l2_plane - plane info for multi-planar buffers
559 * @bytesused: number of bytes occupied by data in the plane (payload)
560 * @length: size of this plane (NOT the payload) in bytes
561 * @mem_offset: when memory in the associated struct v4l2_buffer is
562 * V4L2_MEMORY_MMAP, equals the offset from the start of
563 * the device memory for this plane (or is a "cookie" that
564 * should be passed to mmap() called on the video node)
565 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
566 * pointing to this plane
567 * @data_offset: offset in the plane to the start of data; usually 0,
568 * unless there is a header in front of the data
570 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
571 * with two planes can have one plane for Y, and another for interleaved CbCr
572 * components. Each plane can reside in a separate memory buffer, or even in
573 * a completely separate memory node (e.g. in embedded devices).
575 struct v4l2_plane {
576 __u32 bytesused;
577 __u32 length;
578 union {
579 __u32 mem_offset;
580 unsigned long userptr;
581 } m;
582 __u32 data_offset;
583 __u32 reserved[11];
587 * struct v4l2_buffer - video buffer info
588 * @index: id number of the buffer
589 * @type: buffer type (type == *_MPLANE for multiplanar buffers)
590 * @bytesused: number of bytes occupied by data in the buffer (payload);
591 * unused (set to 0) for multiplanar buffers
592 * @flags: buffer informational flags
593 * @field: field order of the image in the buffer
594 * @timestamp: frame timestamp
595 * @timecode: frame timecode
596 * @sequence: sequence count of this frame
597 * @memory: the method, in which the actual video data is passed
598 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
599 * offset from the start of the device memory for this plane,
600 * (or a "cookie" that should be passed to mmap() as offset)
601 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
602 * a userspace pointer pointing to this buffer
603 * @planes: for multiplanar buffers; userspace pointer to the array of plane
604 * info structs for this buffer
605 * @length: size in bytes of the buffer (NOT its payload) for single-plane
606 * buffers (when type != *_MPLANE); number of elements in the
607 * planes array for multi-plane buffers
608 * @input: input number from which the video data has has been captured
610 * Contains data exchanged by application and driver using one of the Streaming
611 * I/O methods.
613 struct v4l2_buffer {
614 __u32 index;
615 enum v4l2_buf_type type;
616 __u32 bytesused;
617 __u32 flags;
618 enum v4l2_field field;
619 struct timeval timestamp;
620 struct v4l2_timecode timecode;
621 __u32 sequence;
623 /* memory location */
624 enum v4l2_memory memory;
625 union {
626 __u32 offset;
627 unsigned long userptr;
628 struct v4l2_plane *planes;
629 } m;
630 __u32 length;
631 __u32 input;
632 __u32 reserved;
635 /* Flags for 'flags' field */
636 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
637 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
638 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
639 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
640 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
641 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
642 /* Buffer is ready, but the data contained within is corrupted. */
643 #define V4L2_BUF_FLAG_ERROR 0x0040
644 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
645 #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
648 * O V E R L A Y P R E V I E W
650 struct v4l2_framebuffer {
651 __u32 capability;
652 __u32 flags;
653 /* FIXME: in theory we should pass something like PCI device + memory
654 * region + offset instead of some physical address */
655 void *base;
656 struct v4l2_pix_format fmt;
658 /* Flags for the 'capability' field. Read only */
659 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
660 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
661 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
662 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
663 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
664 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
665 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
666 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
667 /* Flags for the 'flags' field. */
668 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
669 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
670 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
671 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
672 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
673 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
674 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
676 struct v4l2_clip {
677 struct v4l2_rect c;
678 struct v4l2_clip __user *next;
681 struct v4l2_window {
682 struct v4l2_rect w;
683 enum v4l2_field field;
684 __u32 chromakey;
685 struct v4l2_clip __user *clips;
686 __u32 clipcount;
687 void __user *bitmap;
688 __u8 global_alpha;
692 * C A P T U R E P A R A M E T E R S
694 struct v4l2_captureparm {
695 __u32 capability; /* Supported modes */
696 __u32 capturemode; /* Current mode */
697 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
698 __u32 extendedmode; /* Driver-specific extensions */
699 __u32 readbuffers; /* # of buffers for read */
700 __u32 reserved[4];
703 /* Flags for 'capability' and 'capturemode' fields */
704 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
705 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
707 struct v4l2_outputparm {
708 __u32 capability; /* Supported modes */
709 __u32 outputmode; /* Current mode */
710 struct v4l2_fract timeperframe; /* Time per frame in seconds */
711 __u32 extendedmode; /* Driver-specific extensions */
712 __u32 writebuffers; /* # of buffers for write */
713 __u32 reserved[4];
717 * I N P U T I M A G E C R O P P I N G
719 struct v4l2_cropcap {
720 enum v4l2_buf_type type;
721 struct v4l2_rect bounds;
722 struct v4l2_rect defrect;
723 struct v4l2_fract pixelaspect;
726 struct v4l2_crop {
727 enum v4l2_buf_type type;
728 struct v4l2_rect c;
732 * A N A L O G V I D E O S T A N D A R D
735 typedef __u64 v4l2_std_id;
737 /* one bit for each */
738 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
739 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
740 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
741 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
742 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
743 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
744 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
745 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
747 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
748 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
749 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
750 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
752 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
753 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
754 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
755 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
757 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
758 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
759 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
760 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
761 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
762 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
763 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
764 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
766 /* ATSC/HDTV */
767 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
768 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
770 /* FIXME:
771 Although std_id is 64 bits, there is an issue on PPC32 architecture that
772 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
773 this value to 32 bits.
774 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
775 it should work fine. However, if needed to add more than two standards,
776 v4l2-common.c should be fixed.
779 /* some merged standards */
780 #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
781 #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
782 #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
783 #define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
785 /* some common needed stuff */
786 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
787 V4L2_STD_PAL_B1 |\
788 V4L2_STD_PAL_G)
789 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
790 V4L2_STD_PAL_D1 |\
791 V4L2_STD_PAL_K)
792 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
793 V4L2_STD_PAL_DK |\
794 V4L2_STD_PAL_H |\
795 V4L2_STD_PAL_I)
796 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
797 V4L2_STD_NTSC_M_JP |\
798 V4L2_STD_NTSC_M_KR)
799 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
800 V4L2_STD_SECAM_K |\
801 V4L2_STD_SECAM_K1)
802 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
803 V4L2_STD_SECAM_G |\
804 V4L2_STD_SECAM_H |\
805 V4L2_STD_SECAM_DK |\
806 V4L2_STD_SECAM_L |\
807 V4L2_STD_SECAM_LC)
809 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
810 V4L2_STD_PAL_60 |\
811 V4L2_STD_NTSC |\
812 V4L2_STD_NTSC_443)
813 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
814 V4L2_STD_PAL_N |\
815 V4L2_STD_PAL_Nc |\
816 V4L2_STD_SECAM)
817 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
818 V4L2_STD_ATSC_16_VSB)
820 #define V4L2_STD_UNKNOWN 0
821 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
822 V4L2_STD_625_50)
824 struct v4l2_standard {
825 __u32 index;
826 v4l2_std_id id;
827 __u8 name[24];
828 struct v4l2_fract frameperiod; /* Frames, not fields */
829 __u32 framelines;
830 __u32 reserved[4];
834 * V I D E O T I M I N G S D V P R E S E T
836 struct v4l2_dv_preset {
837 __u32 preset;
838 __u32 reserved[4];
842 * D V P R E S E T S E N U M E R A T I O N
844 struct v4l2_dv_enum_preset {
845 __u32 index;
846 __u32 preset;
847 __u8 name[32]; /* Name of the preset timing */
848 __u32 width;
849 __u32 height;
850 __u32 reserved[4];
854 * D V P R E S E T V A L U E S
856 #define V4L2_DV_INVALID 0
857 #define V4L2_DV_480P59_94 1 /* BT.1362 */
858 #define V4L2_DV_576P50 2 /* BT.1362 */
859 #define V4L2_DV_720P24 3 /* SMPTE 296M */
860 #define V4L2_DV_720P25 4 /* SMPTE 296M */
861 #define V4L2_DV_720P30 5 /* SMPTE 296M */
862 #define V4L2_DV_720P50 6 /* SMPTE 296M */
863 #define V4L2_DV_720P59_94 7 /* SMPTE 274M */
864 #define V4L2_DV_720P60 8 /* SMPTE 274M/296M */
865 #define V4L2_DV_1080I29_97 9 /* BT.1120/ SMPTE 274M */
866 #define V4L2_DV_1080I30 10 /* BT.1120/ SMPTE 274M */
867 #define V4L2_DV_1080I25 11 /* BT.1120 */
868 #define V4L2_DV_1080I50 12 /* SMPTE 296M */
869 #define V4L2_DV_1080I60 13 /* SMPTE 296M */
870 #define V4L2_DV_1080P24 14 /* SMPTE 296M */
871 #define V4L2_DV_1080P25 15 /* SMPTE 296M */
872 #define V4L2_DV_1080P30 16 /* SMPTE 296M */
873 #define V4L2_DV_1080P50 17 /* BT.1120 */
874 #define V4L2_DV_1080P60 18 /* BT.1120 */
877 * D V B T T I M I N G S
880 /* BT.656/BT.1120 timing data */
881 struct v4l2_bt_timings {
882 __u32 width; /* width in pixels */
883 __u32 height; /* height in lines */
884 __u32 interlaced; /* Interlaced or progressive */
885 __u32 polarities; /* Positive or negative polarity */
886 __u64 pixelclock; /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */
887 __u32 hfrontporch; /* Horizpontal front porch in pixels */
888 __u32 hsync; /* Horizontal Sync length in pixels */
889 __u32 hbackporch; /* Horizontal back porch in pixels */
890 __u32 vfrontporch; /* Vertical front porch in pixels */
891 __u32 vsync; /* Vertical Sync length in lines */
892 __u32 vbackporch; /* Vertical back porch in lines */
893 __u32 il_vfrontporch; /* Vertical front porch for bottom field of
894 * interlaced field formats
896 __u32 il_vsync; /* Vertical sync length for bottom field of
897 * interlaced field formats
899 __u32 il_vbackporch; /* Vertical back porch for bottom field of
900 * interlaced field formats
902 __u32 reserved[16];
903 } __attribute__ ((packed));
905 /* Interlaced or progressive format */
906 #define V4L2_DV_PROGRESSIVE 0
907 #define V4L2_DV_INTERLACED 1
909 /* Polarities. If bit is not set, it is assumed to be negative polarity */
910 #define V4L2_DV_VSYNC_POS_POL 0x00000001
911 #define V4L2_DV_HSYNC_POS_POL 0x00000002
914 /* DV timings */
915 struct v4l2_dv_timings {
916 __u32 type;
917 union {
918 struct v4l2_bt_timings bt;
919 __u32 reserved[32];
921 } __attribute__ ((packed));
923 /* Values for the type field */
924 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
927 * V I D E O I N P U T S
929 struct v4l2_input {
930 __u32 index; /* Which input */
931 __u8 name[32]; /* Label */
932 __u32 type; /* Type of input */
933 __u32 audioset; /* Associated audios (bitfield) */
934 __u32 tuner; /* Associated tuner */
935 v4l2_std_id std;
936 __u32 status;
937 __u32 capabilities;
938 __u32 reserved[3];
941 /* Values for the 'type' field */
942 #define V4L2_INPUT_TYPE_TUNER 1
943 #define V4L2_INPUT_TYPE_CAMERA 2
945 /* field 'status' - general */
946 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
947 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
948 #define V4L2_IN_ST_NO_COLOR 0x00000004
950 /* field 'status' - sensor orientation */
951 /* If sensor is mounted upside down set both bits */
952 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
953 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
955 /* field 'status' - analog */
956 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
957 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
959 /* field 'status' - digital */
960 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
961 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
962 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
964 /* field 'status' - VCR and set-top box */
965 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
966 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
967 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
969 /* capabilities flags */
970 #define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */
971 #define V4L2_IN_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
972 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
975 * V I D E O O U T P U T S
977 struct v4l2_output {
978 __u32 index; /* Which output */
979 __u8 name[32]; /* Label */
980 __u32 type; /* Type of output */
981 __u32 audioset; /* Associated audios (bitfield) */
982 __u32 modulator; /* Associated modulator */
983 v4l2_std_id std;
984 __u32 capabilities;
985 __u32 reserved[3];
987 /* Values for the 'type' field */
988 #define V4L2_OUTPUT_TYPE_MODULATOR 1
989 #define V4L2_OUTPUT_TYPE_ANALOG 2
990 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
992 /* capabilities flags */
993 #define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */
994 #define V4L2_OUT_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
995 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
998 * C O N T R O L S
1000 struct v4l2_control {
1001 __u32 id;
1002 __s32 value;
1005 struct v4l2_ext_control {
1006 __u32 id;
1007 __u32 size;
1008 __u32 reserved2[1];
1009 union {
1010 __s32 value;
1011 __s64 value64;
1012 char *string;
1014 } __attribute__ ((packed));
1016 struct v4l2_ext_controls {
1017 __u32 ctrl_class;
1018 __u32 count;
1019 __u32 error_idx;
1020 __u32 reserved[2];
1021 struct v4l2_ext_control *controls;
1024 /* Values for ctrl_class field */
1025 #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */
1026 #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */
1027 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */
1028 #define V4L2_CTRL_CLASS_FM_TX 0x009b0000 /* FM Modulator control class */
1030 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1031 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1032 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1034 enum v4l2_ctrl_type {
1035 V4L2_CTRL_TYPE_INTEGER = 1,
1036 V4L2_CTRL_TYPE_BOOLEAN = 2,
1037 V4L2_CTRL_TYPE_MENU = 3,
1038 V4L2_CTRL_TYPE_BUTTON = 4,
1039 V4L2_CTRL_TYPE_INTEGER64 = 5,
1040 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1041 V4L2_CTRL_TYPE_STRING = 7,
1044 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1045 struct v4l2_queryctrl {
1046 __u32 id;
1047 enum v4l2_ctrl_type type;
1048 __u8 name[32]; /* Whatever */
1049 __s32 minimum; /* Note signedness */
1050 __s32 maximum;
1051 __s32 step;
1052 __s32 default_value;
1053 __u32 flags;
1054 __u32 reserved[2];
1057 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1058 struct v4l2_querymenu {
1059 __u32 id;
1060 __u32 index;
1061 __u8 name[32]; /* Whatever */
1062 __u32 reserved;
1065 /* Control flags */
1066 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1067 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1068 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1069 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1070 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1071 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1072 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1074 /* Query flag, to be ORed with the control ID */
1075 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1077 /* User-class control IDs defined by V4L2 */
1078 #define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900)
1079 #define V4L2_CID_USER_BASE V4L2_CID_BASE
1080 /* IDs reserved for driver specific controls */
1081 #define V4L2_CID_PRIVATE_BASE 0x08000000
1083 #define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1)
1084 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
1085 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
1086 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
1087 #define V4L2_CID_HUE (V4L2_CID_BASE+3)
1088 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
1089 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
1090 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
1091 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
1092 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
1093 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
1094 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) /* Deprecated */
1095 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
1096 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
1097 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
1098 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
1099 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
1100 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* Deprecated */
1101 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
1102 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
1103 #define V4L2_CID_GAIN (V4L2_CID_BASE+19)
1104 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
1105 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
1107 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
1108 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
1109 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
1111 #define V4L2_CID_POWER_LINE_FREQUENCY (V4L2_CID_BASE+24)
1112 enum v4l2_power_line_frequency {
1113 V4L2_CID_POWER_LINE_FREQUENCY_DISABLED = 0,
1114 V4L2_CID_POWER_LINE_FREQUENCY_50HZ = 1,
1115 V4L2_CID_POWER_LINE_FREQUENCY_60HZ = 2,
1117 #define V4L2_CID_HUE_AUTO (V4L2_CID_BASE+25)
1118 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE (V4L2_CID_BASE+26)
1119 #define V4L2_CID_SHARPNESS (V4L2_CID_BASE+27)
1120 #define V4L2_CID_BACKLIGHT_COMPENSATION (V4L2_CID_BASE+28)
1121 #define V4L2_CID_CHROMA_AGC (V4L2_CID_BASE+29)
1122 #define V4L2_CID_COLOR_KILLER (V4L2_CID_BASE+30)
1123 #define V4L2_CID_COLORFX (V4L2_CID_BASE+31)
1124 enum v4l2_colorfx {
1125 V4L2_COLORFX_NONE = 0,
1126 V4L2_COLORFX_BW = 1,
1127 V4L2_COLORFX_SEPIA = 2,
1128 V4L2_COLORFX_NEGATIVE = 3,
1129 V4L2_COLORFX_EMBOSS = 4,
1130 V4L2_COLORFX_SKETCH = 5,
1131 V4L2_COLORFX_SKY_BLUE = 6,
1132 V4L2_COLORFX_GRASS_GREEN = 7,
1133 V4L2_COLORFX_SKIN_WHITEN = 8,
1134 V4L2_COLORFX_VIVID = 9,
1136 #define V4L2_CID_AUTOBRIGHTNESS (V4L2_CID_BASE+32)
1137 #define V4L2_CID_BAND_STOP_FILTER (V4L2_CID_BASE+33)
1139 #define V4L2_CID_ROTATE (V4L2_CID_BASE+34)
1140 #define V4L2_CID_BG_COLOR (V4L2_CID_BASE+35)
1142 #define V4L2_CID_CHROMA_GAIN (V4L2_CID_BASE+36)
1144 #define V4L2_CID_ILLUMINATORS_1 (V4L2_CID_BASE+37)
1145 #define V4L2_CID_ILLUMINATORS_2 (V4L2_CID_BASE+38)
1147 /* last CID + 1 */
1148 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+39)
1150 /* MPEG-class control IDs defined by V4L2 */
1151 #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
1152 #define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1)
1154 /* MPEG streams */
1155 #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0)
1156 enum v4l2_mpeg_stream_type {
1157 V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */
1158 V4L2_MPEG_STREAM_TYPE_MPEG2_TS = 1, /* MPEG-2 transport stream */
1159 V4L2_MPEG_STREAM_TYPE_MPEG1_SS = 2, /* MPEG-1 system stream */
1160 V4L2_MPEG_STREAM_TYPE_MPEG2_DVD = 3, /* MPEG-2 DVD-compatible stream */
1161 V4L2_MPEG_STREAM_TYPE_MPEG1_VCD = 4, /* MPEG-1 VCD-compatible stream */
1162 V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
1164 #define V4L2_CID_MPEG_STREAM_PID_PMT (V4L2_CID_MPEG_BASE+1)
1165 #define V4L2_CID_MPEG_STREAM_PID_AUDIO (V4L2_CID_MPEG_BASE+2)
1166 #define V4L2_CID_MPEG_STREAM_PID_VIDEO (V4L2_CID_MPEG_BASE+3)
1167 #define V4L2_CID_MPEG_STREAM_PID_PCR (V4L2_CID_MPEG_BASE+4)
1168 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (V4L2_CID_MPEG_BASE+5)
1169 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (V4L2_CID_MPEG_BASE+6)
1170 #define V4L2_CID_MPEG_STREAM_VBI_FMT (V4L2_CID_MPEG_BASE+7)
1171 enum v4l2_mpeg_stream_vbi_fmt {
1172 V4L2_MPEG_STREAM_VBI_FMT_NONE = 0, /* No VBI in the MPEG stream */
1173 V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */
1176 /* MPEG audio */
1177 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100)
1178 enum v4l2_mpeg_audio_sampling_freq {
1179 V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
1180 V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
1181 V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
1183 #define V4L2_CID_MPEG_AUDIO_ENCODING (V4L2_CID_MPEG_BASE+101)
1184 enum v4l2_mpeg_audio_encoding {
1185 V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
1186 V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
1187 V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
1188 V4L2_MPEG_AUDIO_ENCODING_AAC = 3,
1189 V4L2_MPEG_AUDIO_ENCODING_AC3 = 4,
1191 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102)
1192 enum v4l2_mpeg_audio_l1_bitrate {
1193 V4L2_MPEG_AUDIO_L1_BITRATE_32K = 0,
1194 V4L2_MPEG_AUDIO_L1_BITRATE_64K = 1,
1195 V4L2_MPEG_AUDIO_L1_BITRATE_96K = 2,
1196 V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
1197 V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
1198 V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
1199 V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
1200 V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
1201 V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
1202 V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
1203 V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
1204 V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
1205 V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
1206 V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
1208 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE (V4L2_CID_MPEG_BASE+103)
1209 enum v4l2_mpeg_audio_l2_bitrate {
1210 V4L2_MPEG_AUDIO_L2_BITRATE_32K = 0,
1211 V4L2_MPEG_AUDIO_L2_BITRATE_48K = 1,
1212 V4L2_MPEG_AUDIO_L2_BITRATE_56K = 2,
1213 V4L2_MPEG_AUDIO_L2_BITRATE_64K = 3,
1214 V4L2_MPEG_AUDIO_L2_BITRATE_80K = 4,
1215 V4L2_MPEG_AUDIO_L2_BITRATE_96K = 5,
1216 V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
1217 V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
1218 V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
1219 V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
1220 V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
1221 V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
1222 V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
1223 V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
1225 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE (V4L2_CID_MPEG_BASE+104)
1226 enum v4l2_mpeg_audio_l3_bitrate {
1227 V4L2_MPEG_AUDIO_L3_BITRATE_32K = 0,
1228 V4L2_MPEG_AUDIO_L3_BITRATE_40K = 1,
1229 V4L2_MPEG_AUDIO_L3_BITRATE_48K = 2,
1230 V4L2_MPEG_AUDIO_L3_BITRATE_56K = 3,
1231 V4L2_MPEG_AUDIO_L3_BITRATE_64K = 4,
1232 V4L2_MPEG_AUDIO_L3_BITRATE_80K = 5,
1233 V4L2_MPEG_AUDIO_L3_BITRATE_96K = 6,
1234 V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
1235 V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
1236 V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
1237 V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
1238 V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
1239 V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
1240 V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
1242 #define V4L2_CID_MPEG_AUDIO_MODE (V4L2_CID_MPEG_BASE+105)
1243 enum v4l2_mpeg_audio_mode {
1244 V4L2_MPEG_AUDIO_MODE_STEREO = 0,
1245 V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
1246 V4L2_MPEG_AUDIO_MODE_DUAL = 2,
1247 V4L2_MPEG_AUDIO_MODE_MONO = 3,
1249 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION (V4L2_CID_MPEG_BASE+106)
1250 enum v4l2_mpeg_audio_mode_extension {
1251 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4 = 0,
1252 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8 = 1,
1253 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
1254 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
1256 #define V4L2_CID_MPEG_AUDIO_EMPHASIS (V4L2_CID_MPEG_BASE+107)
1257 enum v4l2_mpeg_audio_emphasis {
1258 V4L2_MPEG_AUDIO_EMPHASIS_NONE = 0,
1259 V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
1260 V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17 = 2,
1262 #define V4L2_CID_MPEG_AUDIO_CRC (V4L2_CID_MPEG_BASE+108)
1263 enum v4l2_mpeg_audio_crc {
1264 V4L2_MPEG_AUDIO_CRC_NONE = 0,
1265 V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
1267 #define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109)
1268 #define V4L2_CID_MPEG_AUDIO_AAC_BITRATE (V4L2_CID_MPEG_BASE+110)
1269 #define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+111)
1270 enum v4l2_mpeg_audio_ac3_bitrate {
1271 V4L2_MPEG_AUDIO_AC3_BITRATE_32K = 0,
1272 V4L2_MPEG_AUDIO_AC3_BITRATE_40K = 1,
1273 V4L2_MPEG_AUDIO_AC3_BITRATE_48K = 2,
1274 V4L2_MPEG_AUDIO_AC3_BITRATE_56K = 3,
1275 V4L2_MPEG_AUDIO_AC3_BITRATE_64K = 4,
1276 V4L2_MPEG_AUDIO_AC3_BITRATE_80K = 5,
1277 V4L2_MPEG_AUDIO_AC3_BITRATE_96K = 6,
1278 V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
1279 V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
1280 V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
1281 V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
1282 V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
1283 V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
1284 V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
1285 V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
1286 V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
1287 V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
1288 V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
1289 V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
1292 /* MPEG video */
1293 #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200)
1294 enum v4l2_mpeg_video_encoding {
1295 V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0,
1296 V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1,
1297 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
1299 #define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201)
1300 enum v4l2_mpeg_video_aspect {
1301 V4L2_MPEG_VIDEO_ASPECT_1x1 = 0,
1302 V4L2_MPEG_VIDEO_ASPECT_4x3 = 1,
1303 V4L2_MPEG_VIDEO_ASPECT_16x9 = 2,
1304 V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
1306 #define V4L2_CID_MPEG_VIDEO_B_FRAMES (V4L2_CID_MPEG_BASE+202)
1307 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE (V4L2_CID_MPEG_BASE+203)
1308 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (V4L2_CID_MPEG_BASE+204)
1309 #define V4L2_CID_MPEG_VIDEO_PULLDOWN (V4L2_CID_MPEG_BASE+205)
1310 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE (V4L2_CID_MPEG_BASE+206)
1311 enum v4l2_mpeg_video_bitrate_mode {
1312 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
1313 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
1315 #define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE+207)
1316 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE+208)
1317 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
1318 #define V4L2_CID_MPEG_VIDEO_MUTE (V4L2_CID_MPEG_BASE+210)
1319 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV (V4L2_CID_MPEG_BASE+211)
1321 /* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
1322 #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)
1323 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0)
1324 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
1325 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
1326 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO = 1,
1328 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+1)
1329 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+2)
1330 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
1331 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF = 0,
1332 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1333 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT = 2,
1334 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE = 3,
1335 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
1337 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+3)
1338 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
1339 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF = 0,
1340 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1342 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+4)
1343 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
1344 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
1345 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO = 1,
1347 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+5)
1348 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+6)
1349 enum v4l2_mpeg_cx2341x_video_median_filter_type {
1350 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF = 0,
1351 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR = 1,
1352 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT = 2,
1353 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
1354 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG = 4,
1356 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+7)
1357 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+8)
1358 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9)
1359 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10)
1360 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (V4L2_CID_MPEG_CX2341X_BASE+11)
1362 /* Camera class control IDs */
1363 #define V4L2_CID_CAMERA_CLASS_BASE (V4L2_CTRL_CLASS_CAMERA | 0x900)
1364 #define V4L2_CID_CAMERA_CLASS (V4L2_CTRL_CLASS_CAMERA | 1)
1366 #define V4L2_CID_EXPOSURE_AUTO (V4L2_CID_CAMERA_CLASS_BASE+1)
1367 enum v4l2_exposure_auto_type {
1368 V4L2_EXPOSURE_AUTO = 0,
1369 V4L2_EXPOSURE_MANUAL = 1,
1370 V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
1371 V4L2_EXPOSURE_APERTURE_PRIORITY = 3
1373 #define V4L2_CID_EXPOSURE_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+2)
1374 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY (V4L2_CID_CAMERA_CLASS_BASE+3)
1376 #define V4L2_CID_PAN_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+4)
1377 #define V4L2_CID_TILT_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+5)
1378 #define V4L2_CID_PAN_RESET (V4L2_CID_CAMERA_CLASS_BASE+6)
1379 #define V4L2_CID_TILT_RESET (V4L2_CID_CAMERA_CLASS_BASE+7)
1381 #define V4L2_CID_PAN_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+8)
1382 #define V4L2_CID_TILT_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+9)
1384 #define V4L2_CID_FOCUS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+10)
1385 #define V4L2_CID_FOCUS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+11)
1386 #define V4L2_CID_FOCUS_AUTO (V4L2_CID_CAMERA_CLASS_BASE+12)
1388 #define V4L2_CID_ZOOM_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+13)
1389 #define V4L2_CID_ZOOM_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+14)
1390 #define V4L2_CID_ZOOM_CONTINUOUS (V4L2_CID_CAMERA_CLASS_BASE+15)
1392 #define V4L2_CID_PRIVACY (V4L2_CID_CAMERA_CLASS_BASE+16)
1394 #define V4L2_CID_IRIS_ABSOLUTE (V4L2_CID_CAMERA_CLASS_BASE+17)
1395 #define V4L2_CID_IRIS_RELATIVE (V4L2_CID_CAMERA_CLASS_BASE+18)
1397 /* FM Modulator class control IDs */
1398 #define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900)
1399 #define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1)
1401 #define V4L2_CID_RDS_TX_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 1)
1402 #define V4L2_CID_RDS_TX_PI (V4L2_CID_FM_TX_CLASS_BASE + 2)
1403 #define V4L2_CID_RDS_TX_PTY (V4L2_CID_FM_TX_CLASS_BASE + 3)
1404 #define V4L2_CID_RDS_TX_PS_NAME (V4L2_CID_FM_TX_CLASS_BASE + 5)
1405 #define V4L2_CID_RDS_TX_RADIO_TEXT (V4L2_CID_FM_TX_CLASS_BASE + 6)
1407 #define V4L2_CID_AUDIO_LIMITER_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 64)
1408 #define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 65)
1409 #define V4L2_CID_AUDIO_LIMITER_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 66)
1411 #define V4L2_CID_AUDIO_COMPRESSION_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 80)
1412 #define V4L2_CID_AUDIO_COMPRESSION_GAIN (V4L2_CID_FM_TX_CLASS_BASE + 81)
1413 #define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD (V4L2_CID_FM_TX_CLASS_BASE + 82)
1414 #define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME (V4L2_CID_FM_TX_CLASS_BASE + 83)
1415 #define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 84)
1417 #define V4L2_CID_PILOT_TONE_ENABLED (V4L2_CID_FM_TX_CLASS_BASE + 96)
1418 #define V4L2_CID_PILOT_TONE_DEVIATION (V4L2_CID_FM_TX_CLASS_BASE + 97)
1419 #define V4L2_CID_PILOT_TONE_FREQUENCY (V4L2_CID_FM_TX_CLASS_BASE + 98)
1421 #define V4L2_CID_TUNE_PREEMPHASIS (V4L2_CID_FM_TX_CLASS_BASE + 112)
1422 enum v4l2_preemphasis {
1423 V4L2_PREEMPHASIS_DISABLED = 0,
1424 V4L2_PREEMPHASIS_50_uS = 1,
1425 V4L2_PREEMPHASIS_75_uS = 2,
1427 #define V4L2_CID_TUNE_POWER_LEVEL (V4L2_CID_FM_TX_CLASS_BASE + 113)
1428 #define V4L2_CID_TUNE_ANTENNA_CAPACITOR (V4L2_CID_FM_TX_CLASS_BASE + 114)
1431 * T U N I N G
1433 struct v4l2_tuner {
1434 __u32 index;
1435 __u8 name[32];
1436 enum v4l2_tuner_type type;
1437 __u32 capability;
1438 __u32 rangelow;
1439 __u32 rangehigh;
1440 __u32 rxsubchans;
1441 __u32 audmode;
1442 __s32 signal;
1443 __s32 afc;
1444 __u32 reserved[4];
1447 struct v4l2_modulator {
1448 __u32 index;
1449 __u8 name[32];
1450 __u32 capability;
1451 __u32 rangelow;
1452 __u32 rangehigh;
1453 __u32 txsubchans;
1454 __u32 reserved[4];
1457 /* Flags for the 'capability' field */
1458 #define V4L2_TUNER_CAP_LOW 0x0001
1459 #define V4L2_TUNER_CAP_NORM 0x0002
1460 #define V4L2_TUNER_CAP_STEREO 0x0010
1461 #define V4L2_TUNER_CAP_LANG2 0x0020
1462 #define V4L2_TUNER_CAP_SAP 0x0020
1463 #define V4L2_TUNER_CAP_LANG1 0x0040
1464 #define V4L2_TUNER_CAP_RDS 0x0080
1465 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1466 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1468 /* Flags for the 'rxsubchans' field */
1469 #define V4L2_TUNER_SUB_MONO 0x0001
1470 #define V4L2_TUNER_SUB_STEREO 0x0002
1471 #define V4L2_TUNER_SUB_LANG2 0x0004
1472 #define V4L2_TUNER_SUB_SAP 0x0004
1473 #define V4L2_TUNER_SUB_LANG1 0x0008
1474 #define V4L2_TUNER_SUB_RDS 0x0010
1476 /* Values for the 'audmode' field */
1477 #define V4L2_TUNER_MODE_MONO 0x0000
1478 #define V4L2_TUNER_MODE_STEREO 0x0001
1479 #define V4L2_TUNER_MODE_LANG2 0x0002
1480 #define V4L2_TUNER_MODE_SAP 0x0002
1481 #define V4L2_TUNER_MODE_LANG1 0x0003
1482 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1484 struct v4l2_frequency {
1485 __u32 tuner;
1486 enum v4l2_tuner_type type;
1487 __u32 frequency;
1488 __u32 reserved[8];
1491 struct v4l2_hw_freq_seek {
1492 __u32 tuner;
1493 enum v4l2_tuner_type type;
1494 __u32 seek_upward;
1495 __u32 wrap_around;
1496 __u32 spacing;
1497 __u32 reserved[7];
1501 * R D S
1504 struct v4l2_rds_data {
1505 __u8 lsb;
1506 __u8 msb;
1507 __u8 block;
1508 } __attribute__ ((packed));
1510 #define V4L2_RDS_BLOCK_MSK 0x7
1511 #define V4L2_RDS_BLOCK_A 0
1512 #define V4L2_RDS_BLOCK_B 1
1513 #define V4L2_RDS_BLOCK_C 2
1514 #define V4L2_RDS_BLOCK_D 3
1515 #define V4L2_RDS_BLOCK_C_ALT 4
1516 #define V4L2_RDS_BLOCK_INVALID 7
1518 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1519 #define V4L2_RDS_BLOCK_ERROR 0x80
1522 * A U D I O
1524 struct v4l2_audio {
1525 __u32 index;
1526 __u8 name[32];
1527 __u32 capability;
1528 __u32 mode;
1529 __u32 reserved[2];
1532 /* Flags for the 'capability' field */
1533 #define V4L2_AUDCAP_STEREO 0x00001
1534 #define V4L2_AUDCAP_AVL 0x00002
1536 /* Flags for the 'mode' field */
1537 #define V4L2_AUDMODE_AVL 0x00001
1539 struct v4l2_audioout {
1540 __u32 index;
1541 __u8 name[32];
1542 __u32 capability;
1543 __u32 mode;
1544 __u32 reserved[2];
1548 * M P E G S E R V I C E S
1550 * NOTE: EXPERIMENTAL API
1552 #if 1
1553 #define V4L2_ENC_IDX_FRAME_I (0)
1554 #define V4L2_ENC_IDX_FRAME_P (1)
1555 #define V4L2_ENC_IDX_FRAME_B (2)
1556 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1558 struct v4l2_enc_idx_entry {
1559 __u64 offset;
1560 __u64 pts;
1561 __u32 length;
1562 __u32 flags;
1563 __u32 reserved[2];
1566 #define V4L2_ENC_IDX_ENTRIES (64)
1567 struct v4l2_enc_idx {
1568 __u32 entries;
1569 __u32 entries_cap;
1570 __u32 reserved[4];
1571 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1575 #define V4L2_ENC_CMD_START (0)
1576 #define V4L2_ENC_CMD_STOP (1)
1577 #define V4L2_ENC_CMD_PAUSE (2)
1578 #define V4L2_ENC_CMD_RESUME (3)
1580 /* Flags for V4L2_ENC_CMD_STOP */
1581 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1583 struct v4l2_encoder_cmd {
1584 __u32 cmd;
1585 __u32 flags;
1586 union {
1587 struct {
1588 __u32 data[8];
1589 } raw;
1593 #endif
1597 * D A T A S E R V I C E S ( V B I )
1599 * Data services API by Michael Schimek
1602 /* Raw VBI */
1603 struct v4l2_vbi_format {
1604 __u32 sampling_rate; /* in 1 Hz */
1605 __u32 offset;
1606 __u32 samples_per_line;
1607 __u32 sample_format; /* V4L2_PIX_FMT_* */
1608 __s32 start[2];
1609 __u32 count[2];
1610 __u32 flags; /* V4L2_VBI_* */
1611 __u32 reserved[2]; /* must be zero */
1614 /* VBI flags */
1615 #define V4L2_VBI_UNSYNC (1 << 0)
1616 #define V4L2_VBI_INTERLACED (1 << 1)
1618 /* Sliced VBI
1620 * This implements is a proposal V4L2 API to allow SLICED VBI
1621 * required for some hardware encoders. It should change without
1622 * notice in the definitive implementation.
1625 struct v4l2_sliced_vbi_format {
1626 __u16 service_set;
1627 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1628 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1629 (equals frame lines 313-336 for 625 line video
1630 standards, 263-286 for 525 line standards) */
1631 __u16 service_lines[2][24];
1632 __u32 io_size;
1633 __u32 reserved[2]; /* must be zero */
1636 /* Teletext World System Teletext
1637 (WST), defined on ITU-R BT.653-2 */
1638 #define V4L2_SLICED_TELETEXT_B (0x0001)
1639 /* Video Program System, defined on ETS 300 231*/
1640 #define V4L2_SLICED_VPS (0x0400)
1641 /* Closed Caption, defined on EIA-608 */
1642 #define V4L2_SLICED_CAPTION_525 (0x1000)
1643 /* Wide Screen System, defined on ITU-R BT1119.1 */
1644 #define V4L2_SLICED_WSS_625 (0x4000)
1646 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
1647 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1649 struct v4l2_sliced_vbi_cap {
1650 __u16 service_set;
1651 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1652 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1653 (equals frame lines 313-336 for 625 line video
1654 standards, 263-286 for 525 line standards) */
1655 __u16 service_lines[2][24];
1656 enum v4l2_buf_type type;
1657 __u32 reserved[3]; /* must be 0 */
1660 struct v4l2_sliced_vbi_data {
1661 __u32 id;
1662 __u32 field; /* 0: first field, 1: second field */
1663 __u32 line; /* 1-23 */
1664 __u32 reserved; /* must be 0 */
1665 __u8 data[48];
1669 * Sliced VBI data inserted into MPEG Streams
1673 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1675 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1676 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1677 * data
1679 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1680 * definitions are not included here. See the MPEG-2 specifications for details
1681 * on these headers.
1684 /* Line type IDs */
1685 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
1686 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
1687 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
1688 #define V4L2_MPEG_VBI_IVTV_VPS (7)
1690 struct v4l2_mpeg_vbi_itv0_line {
1691 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
1692 __u8 data[42]; /* Sliced VBI data for the line */
1693 } __attribute__ ((packed));
1695 struct v4l2_mpeg_vbi_itv0 {
1696 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1697 struct v4l2_mpeg_vbi_itv0_line line[35];
1698 } __attribute__ ((packed));
1700 struct v4l2_mpeg_vbi_ITV0 {
1701 struct v4l2_mpeg_vbi_itv0_line line[36];
1702 } __attribute__ ((packed));
1704 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
1705 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
1707 struct v4l2_mpeg_vbi_fmt_ivtv {
1708 __u8 magic[4];
1709 union {
1710 struct v4l2_mpeg_vbi_itv0 itv0;
1711 struct v4l2_mpeg_vbi_ITV0 ITV0;
1713 } __attribute__ ((packed));
1716 * A G G R E G A T E S T R U C T U R E S
1720 * struct v4l2_plane_pix_format - additional, per-plane format definition
1721 * @sizeimage: maximum size in bytes required for data, for which
1722 * this plane will be used
1723 * @bytesperline: distance in bytes between the leftmost pixels in two
1724 * adjacent lines
1726 struct v4l2_plane_pix_format {
1727 __u32 sizeimage;
1728 __u16 bytesperline;
1729 __u16 reserved[7];
1730 } __attribute__ ((packed));
1733 * struct v4l2_pix_format_mplane - multiplanar format definition
1734 * @width: image width in pixels
1735 * @height: image height in pixels
1736 * @pixelformat: little endian four character code (fourcc)
1737 * @field: field order (for interlaced video)
1738 * @colorspace: supplemental to pixelformat
1739 * @plane_fmt: per-plane information
1740 * @num_planes: number of planes for this format
1742 struct v4l2_pix_format_mplane {
1743 __u32 width;
1744 __u32 height;
1745 __u32 pixelformat;
1746 enum v4l2_field field;
1747 enum v4l2_colorspace colorspace;
1749 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
1750 __u8 num_planes;
1751 __u8 reserved[11];
1752 } __attribute__ ((packed));
1755 * struct v4l2_format - stream data format
1756 * @type: type of the data stream
1757 * @pix: definition of an image format
1758 * @pix_mp: definition of a multiplanar image format
1759 * @win: definition of an overlaid image
1760 * @vbi: raw VBI capture or output parameters
1761 * @sliced: sliced VBI capture or output parameters
1762 * @raw_data: placeholder for future extensions and custom formats
1764 struct v4l2_format {
1765 enum v4l2_buf_type type;
1766 union {
1767 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1768 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1769 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1770 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
1771 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1772 __u8 raw_data[200]; /* user-defined */
1773 } fmt;
1776 /* Stream type-dependent parameters
1778 struct v4l2_streamparm {
1779 enum v4l2_buf_type type;
1780 union {
1781 struct v4l2_captureparm capture;
1782 struct v4l2_outputparm output;
1783 __u8 raw_data[200]; /* user-defined */
1784 } parm;
1788 * E V E N T S
1791 #define V4L2_EVENT_ALL 0
1792 #define V4L2_EVENT_VSYNC 1
1793 #define V4L2_EVENT_EOS 2
1794 #define V4L2_EVENT_PRIVATE_START 0x08000000
1796 /* Payload for V4L2_EVENT_VSYNC */
1797 struct v4l2_event_vsync {
1798 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1799 __u8 field;
1800 } __attribute__ ((packed));
1802 struct v4l2_event {
1803 __u32 type;
1804 union {
1805 struct v4l2_event_vsync vsync;
1806 __u8 data[64];
1807 } u;
1808 __u32 pending;
1809 __u32 sequence;
1810 struct timespec timestamp;
1811 __u32 reserved[9];
1814 struct v4l2_event_subscription {
1815 __u32 type;
1816 __u32 reserved[7];
1820 * A D V A N C E D D E B U G G I N G
1822 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1823 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1826 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1828 #define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */
1829 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
1830 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
1831 #define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */
1833 struct v4l2_dbg_match {
1834 __u32 type; /* Match type */
1835 union { /* Match this chip, meaning determined by type */
1836 __u32 addr;
1837 char name[32];
1839 } __attribute__ ((packed));
1841 struct v4l2_dbg_register {
1842 struct v4l2_dbg_match match;
1843 __u32 size; /* register size in bytes */
1844 __u64 reg;
1845 __u64 val;
1846 } __attribute__ ((packed));
1848 /* VIDIOC_DBG_G_CHIP_IDENT */
1849 struct v4l2_dbg_chip_ident {
1850 struct v4l2_dbg_match match;
1851 __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1852 __u32 revision; /* chip revision, chip specific */
1853 } __attribute__ ((packed));
1856 * 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
1859 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
1860 #define VIDIOC_RESERVED _IO('V', 1)
1861 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
1862 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
1863 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
1864 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
1865 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
1866 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
1867 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
1868 #define VIDIOC_OVERLAY _IOW('V', 14, int)
1869 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
1870 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
1871 #define VIDIOC_STREAMON _IOW('V', 18, int)
1872 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
1873 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
1874 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
1875 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
1876 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
1877 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
1878 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
1879 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
1880 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
1881 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
1882 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
1883 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
1884 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
1885 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
1886 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
1887 #define VIDIOC_G_INPUT _IOR('V', 38, int)
1888 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
1889 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
1890 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
1891 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
1892 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
1893 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
1894 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
1895 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
1896 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
1897 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
1898 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
1899 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
1900 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
1901 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
1902 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
1903 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
1904 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
1905 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
1906 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
1907 #define VIDIOC_G_PRIORITY _IOR('V', 67, enum v4l2_priority)
1908 #define VIDIOC_S_PRIORITY _IOW('V', 68, enum v4l2_priority)
1909 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1910 #define VIDIOC_LOG_STATUS _IO('V', 70)
1911 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
1912 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
1913 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
1914 #if 1
1915 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
1916 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1917 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
1918 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
1919 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
1920 #endif
1922 #if 1
1923 /* Experimental, meant for debugging, testing and internal use.
1924 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1925 You must be root to use these ioctls. Never use these in applications! */
1926 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
1927 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
1929 /* Experimental, meant for debugging, testing and internal use.
1930 Never use this ioctl in applications! */
1931 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
1932 #endif
1934 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
1935 #define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset)
1936 #define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset)
1937 #define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset)
1938 #define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset)
1939 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
1940 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
1941 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
1942 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
1943 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
1945 /* Reminder: when adding new ioctls please add support for them to
1946 drivers/media/video/v4l2-compat-ioctl32.c as well! */
1948 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
1950 #endif /* __LINUX_VIDEODEV2_H */