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[deliverable/linux.git] / include / uapi / linux / videodev2.h
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 <bill@thedirks.org>
52 * Justin Schoeman
53 * Hans Verkuil <hverkuil@xs4all.nl>
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 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000
709
710 /**
711 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
712 *
713 * @index: id number of the buffer
714 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
715 * multiplanar buffers);
716 * @plane: index of the plane to be exported, 0 for single plane queues
717 * @flags: flags for newly created file, currently only O_CLOEXEC is
718 * supported, refer to manual of open syscall for more details
719 * @fd: file descriptor associated with DMABUF (set by driver)
720 *
721 * Contains data used for exporting a video buffer as DMABUF file descriptor.
722 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
723 * (identical to the cookie used to mmap() the buffer to userspace). All
724 * reserved fields must be set to zero. The field reserved0 is expected to
725 * become a structure 'type' allowing an alternative layout of the structure
726 * content. Therefore this field should not be used for any other extensions.
727 */
728 struct v4l2_exportbuffer {
729 __u32 type; /* enum v4l2_buf_type */
730 __u32 index;
731 __u32 plane;
732 __u32 flags;
733 __s32 fd;
734 __u32 reserved[11];
735 };
736
737 /*
738 * O V E R L A Y P R E V I E W
739 */
740 struct v4l2_framebuffer {
741 __u32 capability;
742 __u32 flags;
743 /* FIXME: in theory we should pass something like PCI device + memory
744 * region + offset instead of some physical address */
745 void *base;
746 struct v4l2_pix_format fmt;
747 };
748 /* Flags for the 'capability' field. Read only */
749 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
750 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
751 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
752 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
753 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
754 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
755 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
756 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
757 /* Flags for the 'flags' field. */
758 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
759 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
760 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
761 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
762 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
763 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
764 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
765
766 struct v4l2_clip {
767 struct v4l2_rect c;
768 struct v4l2_clip __user *next;
769 };
770
771 struct v4l2_window {
772 struct v4l2_rect w;
773 __u32 field; /* enum v4l2_field */
774 __u32 chromakey;
775 struct v4l2_clip __user *clips;
776 __u32 clipcount;
777 void __user *bitmap;
778 __u8 global_alpha;
779 };
780
781 /*
782 * C A P T U R E P A R A M E T E R S
783 */
784 struct v4l2_captureparm {
785 __u32 capability; /* Supported modes */
786 __u32 capturemode; /* Current mode */
787 struct v4l2_fract timeperframe; /* Time per frame in seconds */
788 __u32 extendedmode; /* Driver-specific extensions */
789 __u32 readbuffers; /* # of buffers for read */
790 __u32 reserved[4];
791 };
792
793 /* Flags for 'capability' and 'capturemode' fields */
794 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
795 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
796
797 struct v4l2_outputparm {
798 __u32 capability; /* Supported modes */
799 __u32 outputmode; /* Current mode */
800 struct v4l2_fract timeperframe; /* Time per frame in seconds */
801 __u32 extendedmode; /* Driver-specific extensions */
802 __u32 writebuffers; /* # of buffers for write */
803 __u32 reserved[4];
804 };
805
806 /*
807 * I N P U T I M A G E C R O P P I N G
808 */
809 struct v4l2_cropcap {
810 __u32 type; /* enum v4l2_buf_type */
811 struct v4l2_rect bounds;
812 struct v4l2_rect defrect;
813 struct v4l2_fract pixelaspect;
814 };
815
816 struct v4l2_crop {
817 __u32 type; /* enum v4l2_buf_type */
818 struct v4l2_rect c;
819 };
820
821 /**
822 * struct v4l2_selection - selection info
823 * @type: buffer type (do not use *_MPLANE types)
824 * @target: Selection target, used to choose one of possible rectangles;
825 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
826 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
827 * @r: coordinates of selection window
828 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
829 *
830 * Hardware may use multiple helper windows to process a video stream.
831 * The structure is used to exchange this selection areas between
832 * an application and a driver.
833 */
834 struct v4l2_selection {
835 __u32 type;
836 __u32 target;
837 __u32 flags;
838 struct v4l2_rect r;
839 __u32 reserved[9];
840 };
841
842
843 /*
844 * A N A L O G V I D E O S T A N D A R D
845 */
846
847 typedef __u64 v4l2_std_id;
848
849 /* one bit for each */
850 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
851 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
852 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
853 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
854 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
855 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
856 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
857 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
858
859 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
860 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
861 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
862 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
863
864 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
865 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
866 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
867 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
868
869 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
870 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
871 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
872 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
873 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
874 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
875 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
876 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
877
878 /* ATSC/HDTV */
879 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
880 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
881
882 /* FIXME:
883 Although std_id is 64 bits, there is an issue on PPC32 architecture that
884 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
885 this value to 32 bits.
886 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
887 it should work fine. However, if needed to add more than two standards,
888 v4l2-common.c should be fixed.
889 */
890
891 /*
892 * Some macros to merge video standards in order to make live easier for the
893 * drivers and V4L2 applications
894 */
895
896 /*
897 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
898 * Missing here.
899 */
900 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
901 V4L2_STD_NTSC_M_JP |\
902 V4L2_STD_NTSC_M_KR)
903 /* Secam macros */
904 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
905 V4L2_STD_SECAM_K |\
906 V4L2_STD_SECAM_K1)
907 /* All Secam Standards */
908 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
909 V4L2_STD_SECAM_G |\
910 V4L2_STD_SECAM_H |\
911 V4L2_STD_SECAM_DK |\
912 V4L2_STD_SECAM_L |\
913 V4L2_STD_SECAM_LC)
914 /* PAL macros */
915 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
916 V4L2_STD_PAL_B1 |\
917 V4L2_STD_PAL_G)
918 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
919 V4L2_STD_PAL_D1 |\
920 V4L2_STD_PAL_K)
921 /*
922 * "Common" PAL - This macro is there to be compatible with the old
923 * V4L1 concept of "PAL": /BGDKHI.
924 * Several PAL standards are mising here: /M, /N and /Nc
925 */
926 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
927 V4L2_STD_PAL_DK |\
928 V4L2_STD_PAL_H |\
929 V4L2_STD_PAL_I)
930 /* Chroma "agnostic" standards */
931 #define V4L2_STD_B (V4L2_STD_PAL_B |\
932 V4L2_STD_PAL_B1 |\
933 V4L2_STD_SECAM_B)
934 #define V4L2_STD_G (V4L2_STD_PAL_G |\
935 V4L2_STD_SECAM_G)
936 #define V4L2_STD_H (V4L2_STD_PAL_H |\
937 V4L2_STD_SECAM_H)
938 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
939 V4L2_STD_SECAM_LC)
940 #define V4L2_STD_GH (V4L2_STD_G |\
941 V4L2_STD_H)
942 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
943 V4L2_STD_SECAM_DK)
944 #define V4L2_STD_BG (V4L2_STD_B |\
945 V4L2_STD_G)
946 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
947 V4L2_STD_PAL_N |\
948 V4L2_STD_PAL_Nc |\
949 V4L2_STD_NTSC)
950
951 /* Standards where MTS/BTSC stereo could be found */
952 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
953 V4L2_STD_PAL_M |\
954 V4L2_STD_PAL_N |\
955 V4L2_STD_PAL_Nc)
956
957 /* Standards for Countries with 60Hz Line frequency */
958 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
959 V4L2_STD_PAL_60 |\
960 V4L2_STD_NTSC |\
961 V4L2_STD_NTSC_443)
962 /* Standards for Countries with 50Hz Line frequency */
963 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
964 V4L2_STD_PAL_N |\
965 V4L2_STD_PAL_Nc |\
966 V4L2_STD_SECAM)
967
968 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
969 V4L2_STD_ATSC_16_VSB)
970 /* Macros with none and all analog standards */
971 #define V4L2_STD_UNKNOWN 0
972 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
973 V4L2_STD_625_50)
974
975 struct v4l2_standard {
976 __u32 index;
977 v4l2_std_id id;
978 __u8 name[24];
979 struct v4l2_fract frameperiod; /* Frames, not fields */
980 __u32 framelines;
981 __u32 reserved[4];
982 };
983
984 /*
985 * D V B T T I M I N G S
986 */
987
988 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
989 * @width: total width of the active video in pixels
990 * @height: total height of the active video in lines
991 * @interlaced: Interlaced or progressive
992 * @polarities: Positive or negative polarities
993 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
994 * @hfrontporch:Horizontal front porch in pixels
995 * @hsync: Horizontal Sync length in pixels
996 * @hbackporch: Horizontal back porch in pixels
997 * @vfrontporch:Vertical front porch in lines
998 * @vsync: Vertical Sync length in lines
999 * @vbackporch: Vertical back porch in lines
1000 * @il_vfrontporch:Vertical front porch for the even field
1001 * (aka field 2) of interlaced field formats
1002 * @il_vsync: Vertical Sync length for the even field
1003 * (aka field 2) of interlaced field formats
1004 * @il_vbackporch:Vertical back porch for the even field
1005 * (aka field 2) of interlaced field formats
1006 * @standards: Standards the timing belongs to
1007 * @flags: Flags
1008 * @reserved: Reserved fields, must be zeroed.
1009 *
1010 * A note regarding vertical interlaced timings: height refers to the total
1011 * height of the active video frame (= two fields). The blanking timings refer
1012 * to the blanking of each field. So the height of the total frame is
1013 * calculated as follows:
1014 *
1015 * tot_height = height + vfrontporch + vsync + vbackporch +
1016 * il_vfrontporch + il_vsync + il_vbackporch
1017 *
1018 * The active height of each field is height / 2.
1019 */
1020 struct v4l2_bt_timings {
1021 __u32 width;
1022 __u32 height;
1023 __u32 interlaced;
1024 __u32 polarities;
1025 __u64 pixelclock;
1026 __u32 hfrontporch;
1027 __u32 hsync;
1028 __u32 hbackporch;
1029 __u32 vfrontporch;
1030 __u32 vsync;
1031 __u32 vbackporch;
1032 __u32 il_vfrontporch;
1033 __u32 il_vsync;
1034 __u32 il_vbackporch;
1035 __u32 standards;
1036 __u32 flags;
1037 __u32 reserved[14];
1038 } __attribute__ ((packed));
1039
1040 /* Interlaced or progressive format */
1041 #define V4L2_DV_PROGRESSIVE 0
1042 #define V4L2_DV_INTERLACED 1
1043
1044 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1045 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1046 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1047
1048 /* Timings standards */
1049 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1050 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1051 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1052 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1053
1054 /* Flags */
1055
1056 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1057 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1058 intervals are reduced, allowing a higher resolution over the same
1059 bandwidth. This is a read-only flag. */
1060 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1061 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1062 of six. These formats can be optionally played at 1 / 1.001 speed.
1063 This is a read-only flag. */
1064 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1065 /* CEA-861 specific: only valid for video transmitters, the flag is cleared
1066 by receivers.
1067 If the framerate of the format is a multiple of six, then the pixelclock
1068 used to set up the transmitter is divided by 1.001 to make it compatible
1069 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1070 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1071 such frequencies, then the flag will also be cleared. */
1072 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1073 /* Specific to interlaced formats: if set, then field 1 is really one half-line
1074 longer and field 2 is really one half-line shorter, so each field has
1075 exactly the same number of half-lines. Whether half-lines can be detected
1076 or used depends on the hardware. */
1077 #define V4L2_DV_FL_HALF_LINE (1 << 0)
1078
1079
1080 /** struct v4l2_dv_timings - DV timings
1081 * @type: the type of the timings
1082 * @bt: BT656/1120 timings
1083 */
1084 struct v4l2_dv_timings {
1085 __u32 type;
1086 union {
1087 struct v4l2_bt_timings bt;
1088 __u32 reserved[32];
1089 };
1090 } __attribute__ ((packed));
1091
1092 /* Values for the type field */
1093 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1094
1095
1096 /** struct v4l2_enum_dv_timings - DV timings enumeration
1097 * @index: enumeration index
1098 * @reserved: must be zeroed
1099 * @timings: the timings for the given index
1100 */
1101 struct v4l2_enum_dv_timings {
1102 __u32 index;
1103 __u32 reserved[3];
1104 struct v4l2_dv_timings timings;
1105 };
1106
1107 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1108 * @min_width: width in pixels
1109 * @max_width: width in pixels
1110 * @min_height: height in lines
1111 * @max_height: height in lines
1112 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1113 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1114 * @standards: Supported standards
1115 * @capabilities: Supported capabilities
1116 * @reserved: Must be zeroed
1117 */
1118 struct v4l2_bt_timings_cap {
1119 __u32 min_width;
1120 __u32 max_width;
1121 __u32 min_height;
1122 __u32 max_height;
1123 __u64 min_pixelclock;
1124 __u64 max_pixelclock;
1125 __u32 standards;
1126 __u32 capabilities;
1127 __u32 reserved[16];
1128 } __attribute__ ((packed));
1129
1130 /* Supports interlaced formats */
1131 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1132 /* Supports progressive formats */
1133 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1134 /* Supports CVT/GTF reduced blanking */
1135 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1136 /* Supports custom formats */
1137 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1138
1139 /** struct v4l2_dv_timings_cap - DV timings capabilities
1140 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1141 * @bt: the BT656/1120 timings capabilities
1142 */
1143 struct v4l2_dv_timings_cap {
1144 __u32 type;
1145 __u32 reserved[3];
1146 union {
1147 struct v4l2_bt_timings_cap bt;
1148 __u32 raw_data[32];
1149 };
1150 };
1151
1152
1153 /*
1154 * V I D E O I N P U T S
1155 */
1156 struct v4l2_input {
1157 __u32 index; /* Which input */
1158 __u8 name[32]; /* Label */
1159 __u32 type; /* Type of input */
1160 __u32 audioset; /* Associated audios (bitfield) */
1161 __u32 tuner; /* enum v4l2_tuner_type */
1162 v4l2_std_id std;
1163 __u32 status;
1164 __u32 capabilities;
1165 __u32 reserved[3];
1166 };
1167
1168 /* Values for the 'type' field */
1169 #define V4L2_INPUT_TYPE_TUNER 1
1170 #define V4L2_INPUT_TYPE_CAMERA 2
1171
1172 /* field 'status' - general */
1173 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1174 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1175 #define V4L2_IN_ST_NO_COLOR 0x00000004
1176
1177 /* field 'status' - sensor orientation */
1178 /* If sensor is mounted upside down set both bits */
1179 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1180 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1181
1182 /* field 'status' - analog */
1183 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1184 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1185
1186 /* field 'status' - digital */
1187 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1188 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1189 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1190
1191 /* field 'status' - VCR and set-top box */
1192 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1193 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1194 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1195
1196 /* capabilities flags */
1197 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1198 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1199 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1200
1201 /*
1202 * V I D E O O U T P U T S
1203 */
1204 struct v4l2_output {
1205 __u32 index; /* Which output */
1206 __u8 name[32]; /* Label */
1207 __u32 type; /* Type of output */
1208 __u32 audioset; /* Associated audios (bitfield) */
1209 __u32 modulator; /* Associated modulator */
1210 v4l2_std_id std;
1211 __u32 capabilities;
1212 __u32 reserved[3];
1213 };
1214 /* Values for the 'type' field */
1215 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1216 #define V4L2_OUTPUT_TYPE_ANALOG 2
1217 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1218
1219 /* capabilities flags */
1220 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1221 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1222 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1223
1224 /*
1225 * C O N T R O L S
1226 */
1227 struct v4l2_control {
1228 __u32 id;
1229 __s32 value;
1230 };
1231
1232 struct v4l2_ext_control {
1233 __u32 id;
1234 __u32 size;
1235 __u32 reserved2[1];
1236 union {
1237 __s32 value;
1238 __s64 value64;
1239 char *string;
1240 };
1241 } __attribute__ ((packed));
1242
1243 struct v4l2_ext_controls {
1244 __u32 ctrl_class;
1245 __u32 count;
1246 __u32 error_idx;
1247 __u32 reserved[2];
1248 struct v4l2_ext_control *controls;
1249 };
1250
1251 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1252 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1253 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1254
1255 enum v4l2_ctrl_type {
1256 V4L2_CTRL_TYPE_INTEGER = 1,
1257 V4L2_CTRL_TYPE_BOOLEAN = 2,
1258 V4L2_CTRL_TYPE_MENU = 3,
1259 V4L2_CTRL_TYPE_BUTTON = 4,
1260 V4L2_CTRL_TYPE_INTEGER64 = 5,
1261 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1262 V4L2_CTRL_TYPE_STRING = 7,
1263 V4L2_CTRL_TYPE_BITMASK = 8,
1264 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1265 };
1266
1267 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1268 struct v4l2_queryctrl {
1269 __u32 id;
1270 __u32 type; /* enum v4l2_ctrl_type */
1271 __u8 name[32]; /* Whatever */
1272 __s32 minimum; /* Note signedness */
1273 __s32 maximum;
1274 __s32 step;
1275 __s32 default_value;
1276 __u32 flags;
1277 __u32 reserved[2];
1278 };
1279
1280 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1281 struct v4l2_querymenu {
1282 __u32 id;
1283 __u32 index;
1284 union {
1285 __u8 name[32]; /* Whatever */
1286 __s64 value;
1287 };
1288 __u32 reserved;
1289 } __attribute__ ((packed));
1290
1291 /* Control flags */
1292 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1293 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1294 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1295 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1296 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1297 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1298 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1299 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1300
1301 /* Query flag, to be ORed with the control ID */
1302 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1303
1304 /* User-class control IDs defined by V4L2 */
1305 #define V4L2_CID_MAX_CTRLS 1024
1306 /* IDs reserved for driver specific controls */
1307 #define V4L2_CID_PRIVATE_BASE 0x08000000
1308
1309
1310 /*
1311 * T U N I N G
1312 */
1313 struct v4l2_tuner {
1314 __u32 index;
1315 __u8 name[32];
1316 __u32 type; /* enum v4l2_tuner_type */
1317 __u32 capability;
1318 __u32 rangelow;
1319 __u32 rangehigh;
1320 __u32 rxsubchans;
1321 __u32 audmode;
1322 __s32 signal;
1323 __s32 afc;
1324 __u32 reserved[4];
1325 };
1326
1327 struct v4l2_modulator {
1328 __u32 index;
1329 __u8 name[32];
1330 __u32 capability;
1331 __u32 rangelow;
1332 __u32 rangehigh;
1333 __u32 txsubchans;
1334 __u32 reserved[4];
1335 };
1336
1337 /* Flags for the 'capability' field */
1338 #define V4L2_TUNER_CAP_LOW 0x0001
1339 #define V4L2_TUNER_CAP_NORM 0x0002
1340 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1341 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1342 #define V4L2_TUNER_CAP_STEREO 0x0010
1343 #define V4L2_TUNER_CAP_LANG2 0x0020
1344 #define V4L2_TUNER_CAP_SAP 0x0020
1345 #define V4L2_TUNER_CAP_LANG1 0x0040
1346 #define V4L2_TUNER_CAP_RDS 0x0080
1347 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1348 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1349 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1350 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1351
1352 /* Flags for the 'rxsubchans' field */
1353 #define V4L2_TUNER_SUB_MONO 0x0001
1354 #define V4L2_TUNER_SUB_STEREO 0x0002
1355 #define V4L2_TUNER_SUB_LANG2 0x0004
1356 #define V4L2_TUNER_SUB_SAP 0x0004
1357 #define V4L2_TUNER_SUB_LANG1 0x0008
1358 #define V4L2_TUNER_SUB_RDS 0x0010
1359
1360 /* Values for the 'audmode' field */
1361 #define V4L2_TUNER_MODE_MONO 0x0000
1362 #define V4L2_TUNER_MODE_STEREO 0x0001
1363 #define V4L2_TUNER_MODE_LANG2 0x0002
1364 #define V4L2_TUNER_MODE_SAP 0x0002
1365 #define V4L2_TUNER_MODE_LANG1 0x0003
1366 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1367
1368 struct v4l2_frequency {
1369 __u32 tuner;
1370 __u32 type; /* enum v4l2_tuner_type */
1371 __u32 frequency;
1372 __u32 reserved[8];
1373 };
1374
1375 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1376 #define V4L2_BAND_MODULATION_FM (1 << 2)
1377 #define V4L2_BAND_MODULATION_AM (1 << 3)
1378
1379 struct v4l2_frequency_band {
1380 __u32 tuner;
1381 __u32 type; /* enum v4l2_tuner_type */
1382 __u32 index;
1383 __u32 capability;
1384 __u32 rangelow;
1385 __u32 rangehigh;
1386 __u32 modulation;
1387 __u32 reserved[9];
1388 };
1389
1390 struct v4l2_hw_freq_seek {
1391 __u32 tuner;
1392 __u32 type; /* enum v4l2_tuner_type */
1393 __u32 seek_upward;
1394 __u32 wrap_around;
1395 __u32 spacing;
1396 __u32 rangelow;
1397 __u32 rangehigh;
1398 __u32 reserved[5];
1399 };
1400
1401 /*
1402 * R D S
1403 */
1404
1405 struct v4l2_rds_data {
1406 __u8 lsb;
1407 __u8 msb;
1408 __u8 block;
1409 } __attribute__ ((packed));
1410
1411 #define V4L2_RDS_BLOCK_MSK 0x7
1412 #define V4L2_RDS_BLOCK_A 0
1413 #define V4L2_RDS_BLOCK_B 1
1414 #define V4L2_RDS_BLOCK_C 2
1415 #define V4L2_RDS_BLOCK_D 3
1416 #define V4L2_RDS_BLOCK_C_ALT 4
1417 #define V4L2_RDS_BLOCK_INVALID 7
1418
1419 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1420 #define V4L2_RDS_BLOCK_ERROR 0x80
1421
1422 /*
1423 * A U D I O
1424 */
1425 struct v4l2_audio {
1426 __u32 index;
1427 __u8 name[32];
1428 __u32 capability;
1429 __u32 mode;
1430 __u32 reserved[2];
1431 };
1432
1433 /* Flags for the 'capability' field */
1434 #define V4L2_AUDCAP_STEREO 0x00001
1435 #define V4L2_AUDCAP_AVL 0x00002
1436
1437 /* Flags for the 'mode' field */
1438 #define V4L2_AUDMODE_AVL 0x00001
1439
1440 struct v4l2_audioout {
1441 __u32 index;
1442 __u8 name[32];
1443 __u32 capability;
1444 __u32 mode;
1445 __u32 reserved[2];
1446 };
1447
1448 /*
1449 * M P E G S E R V I C E S
1450 *
1451 * NOTE: EXPERIMENTAL API
1452 */
1453 #if 1
1454 #define V4L2_ENC_IDX_FRAME_I (0)
1455 #define V4L2_ENC_IDX_FRAME_P (1)
1456 #define V4L2_ENC_IDX_FRAME_B (2)
1457 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1458
1459 struct v4l2_enc_idx_entry {
1460 __u64 offset;
1461 __u64 pts;
1462 __u32 length;
1463 __u32 flags;
1464 __u32 reserved[2];
1465 };
1466
1467 #define V4L2_ENC_IDX_ENTRIES (64)
1468 struct v4l2_enc_idx {
1469 __u32 entries;
1470 __u32 entries_cap;
1471 __u32 reserved[4];
1472 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1473 };
1474
1475
1476 #define V4L2_ENC_CMD_START (0)
1477 #define V4L2_ENC_CMD_STOP (1)
1478 #define V4L2_ENC_CMD_PAUSE (2)
1479 #define V4L2_ENC_CMD_RESUME (3)
1480
1481 /* Flags for V4L2_ENC_CMD_STOP */
1482 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1483
1484 struct v4l2_encoder_cmd {
1485 __u32 cmd;
1486 __u32 flags;
1487 union {
1488 struct {
1489 __u32 data[8];
1490 } raw;
1491 };
1492 };
1493
1494 /* Decoder commands */
1495 #define V4L2_DEC_CMD_START (0)
1496 #define V4L2_DEC_CMD_STOP (1)
1497 #define V4L2_DEC_CMD_PAUSE (2)
1498 #define V4L2_DEC_CMD_RESUME (3)
1499
1500 /* Flags for V4L2_DEC_CMD_START */
1501 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1502
1503 /* Flags for V4L2_DEC_CMD_PAUSE */
1504 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1505
1506 /* Flags for V4L2_DEC_CMD_STOP */
1507 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
1508 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
1509
1510 /* Play format requirements (returned by the driver): */
1511
1512 /* The decoder has no special format requirements */
1513 #define V4L2_DEC_START_FMT_NONE (0)
1514 /* The decoder requires full GOPs */
1515 #define V4L2_DEC_START_FMT_GOP (1)
1516
1517 /* The structure must be zeroed before use by the application
1518 This ensures it can be extended safely in the future. */
1519 struct v4l2_decoder_cmd {
1520 __u32 cmd;
1521 __u32 flags;
1522 union {
1523 struct {
1524 __u64 pts;
1525 } stop;
1526
1527 struct {
1528 /* 0 or 1000 specifies normal speed,
1529 1 specifies forward single stepping,
1530 -1 specifies backward single stepping,
1531 >1: playback at speed/1000 of the normal speed,
1532 <-1: reverse playback at (-speed/1000) of the normal speed. */
1533 __s32 speed;
1534 __u32 format;
1535 } start;
1536
1537 struct {
1538 __u32 data[16];
1539 } raw;
1540 };
1541 };
1542 #endif
1543
1544
1545 /*
1546 * D A T A S E R V I C E S ( V B I )
1547 *
1548 * Data services API by Michael Schimek
1549 */
1550
1551 /* Raw VBI */
1552 struct v4l2_vbi_format {
1553 __u32 sampling_rate; /* in 1 Hz */
1554 __u32 offset;
1555 __u32 samples_per_line;
1556 __u32 sample_format; /* V4L2_PIX_FMT_* */
1557 __s32 start[2];
1558 __u32 count[2];
1559 __u32 flags; /* V4L2_VBI_* */
1560 __u32 reserved[2]; /* must be zero */
1561 };
1562
1563 /* VBI flags */
1564 #define V4L2_VBI_UNSYNC (1 << 0)
1565 #define V4L2_VBI_INTERLACED (1 << 1)
1566
1567 /* Sliced VBI
1568 *
1569 * This implements is a proposal V4L2 API to allow SLICED VBI
1570 * required for some hardware encoders. It should change without
1571 * notice in the definitive implementation.
1572 */
1573
1574 struct v4l2_sliced_vbi_format {
1575 __u16 service_set;
1576 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1577 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1578 (equals frame lines 313-336 for 625 line video
1579 standards, 263-286 for 525 line standards) */
1580 __u16 service_lines[2][24];
1581 __u32 io_size;
1582 __u32 reserved[2]; /* must be zero */
1583 };
1584
1585 /* Teletext World System Teletext
1586 (WST), defined on ITU-R BT.653-2 */
1587 #define V4L2_SLICED_TELETEXT_B (0x0001)
1588 /* Video Program System, defined on ETS 300 231*/
1589 #define V4L2_SLICED_VPS (0x0400)
1590 /* Closed Caption, defined on EIA-608 */
1591 #define V4L2_SLICED_CAPTION_525 (0x1000)
1592 /* Wide Screen System, defined on ITU-R BT1119.1 */
1593 #define V4L2_SLICED_WSS_625 (0x4000)
1594
1595 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
1596 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1597
1598 struct v4l2_sliced_vbi_cap {
1599 __u16 service_set;
1600 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1601 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1602 (equals frame lines 313-336 for 625 line video
1603 standards, 263-286 for 525 line standards) */
1604 __u16 service_lines[2][24];
1605 __u32 type; /* enum v4l2_buf_type */
1606 __u32 reserved[3]; /* must be 0 */
1607 };
1608
1609 struct v4l2_sliced_vbi_data {
1610 __u32 id;
1611 __u32 field; /* 0: first field, 1: second field */
1612 __u32 line; /* 1-23 */
1613 __u32 reserved; /* must be 0 */
1614 __u8 data[48];
1615 };
1616
1617 /*
1618 * Sliced VBI data inserted into MPEG Streams
1619 */
1620
1621 /*
1622 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1623 *
1624 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1625 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1626 * data
1627 *
1628 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1629 * definitions are not included here. See the MPEG-2 specifications for details
1630 * on these headers.
1631 */
1632
1633 /* Line type IDs */
1634 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
1635 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
1636 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
1637 #define V4L2_MPEG_VBI_IVTV_VPS (7)
1638
1639 struct v4l2_mpeg_vbi_itv0_line {
1640 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
1641 __u8 data[42]; /* Sliced VBI data for the line */
1642 } __attribute__ ((packed));
1643
1644 struct v4l2_mpeg_vbi_itv0 {
1645 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
1646 struct v4l2_mpeg_vbi_itv0_line line[35];
1647 } __attribute__ ((packed));
1648
1649 struct v4l2_mpeg_vbi_ITV0 {
1650 struct v4l2_mpeg_vbi_itv0_line line[36];
1651 } __attribute__ ((packed));
1652
1653 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
1654 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
1655
1656 struct v4l2_mpeg_vbi_fmt_ivtv {
1657 __u8 magic[4];
1658 union {
1659 struct v4l2_mpeg_vbi_itv0 itv0;
1660 struct v4l2_mpeg_vbi_ITV0 ITV0;
1661 };
1662 } __attribute__ ((packed));
1663
1664 /*
1665 * A G G R E G A T E S T R U C T U R E S
1666 */
1667
1668 /**
1669 * struct v4l2_plane_pix_format - additional, per-plane format definition
1670 * @sizeimage: maximum size in bytes required for data, for which
1671 * this plane will be used
1672 * @bytesperline: distance in bytes between the leftmost pixels in two
1673 * adjacent lines
1674 */
1675 struct v4l2_plane_pix_format {
1676 __u32 sizeimage;
1677 __u16 bytesperline;
1678 __u16 reserved[7];
1679 } __attribute__ ((packed));
1680
1681 /**
1682 * struct v4l2_pix_format_mplane - multiplanar format definition
1683 * @width: image width in pixels
1684 * @height: image height in pixels
1685 * @pixelformat: little endian four character code (fourcc)
1686 * @field: enum v4l2_field; field order (for interlaced video)
1687 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
1688 * @plane_fmt: per-plane information
1689 * @num_planes: number of planes for this format
1690 */
1691 struct v4l2_pix_format_mplane {
1692 __u32 width;
1693 __u32 height;
1694 __u32 pixelformat;
1695 __u32 field;
1696 __u32 colorspace;
1697
1698 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
1699 __u8 num_planes;
1700 __u8 reserved[11];
1701 } __attribute__ ((packed));
1702
1703 /**
1704 * struct v4l2_format - stream data format
1705 * @type: enum v4l2_buf_type; type of the data stream
1706 * @pix: definition of an image format
1707 * @pix_mp: definition of a multiplanar image format
1708 * @win: definition of an overlaid image
1709 * @vbi: raw VBI capture or output parameters
1710 * @sliced: sliced VBI capture or output parameters
1711 * @raw_data: placeholder for future extensions and custom formats
1712 */
1713 struct v4l2_format {
1714 __u32 type;
1715 union {
1716 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1717 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1718 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1719 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
1720 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1721 __u8 raw_data[200]; /* user-defined */
1722 } fmt;
1723 };
1724
1725 /* Stream type-dependent parameters
1726 */
1727 struct v4l2_streamparm {
1728 __u32 type; /* enum v4l2_buf_type */
1729 union {
1730 struct v4l2_captureparm capture;
1731 struct v4l2_outputparm output;
1732 __u8 raw_data[200]; /* user-defined */
1733 } parm;
1734 };
1735
1736 /*
1737 * E V E N T S
1738 */
1739
1740 #define V4L2_EVENT_ALL 0
1741 #define V4L2_EVENT_VSYNC 1
1742 #define V4L2_EVENT_EOS 2
1743 #define V4L2_EVENT_CTRL 3
1744 #define V4L2_EVENT_FRAME_SYNC 4
1745 #define V4L2_EVENT_PRIVATE_START 0x08000000
1746
1747 /* Payload for V4L2_EVENT_VSYNC */
1748 struct v4l2_event_vsync {
1749 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1750 __u8 field;
1751 } __attribute__ ((packed));
1752
1753 /* Payload for V4L2_EVENT_CTRL */
1754 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
1755 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
1756 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
1757
1758 struct v4l2_event_ctrl {
1759 __u32 changes;
1760 __u32 type;
1761 union {
1762 __s32 value;
1763 __s64 value64;
1764 };
1765 __u32 flags;
1766 __s32 minimum;
1767 __s32 maximum;
1768 __s32 step;
1769 __s32 default_value;
1770 };
1771
1772 struct v4l2_event_frame_sync {
1773 __u32 frame_sequence;
1774 };
1775
1776 struct v4l2_event {
1777 __u32 type;
1778 union {
1779 struct v4l2_event_vsync vsync;
1780 struct v4l2_event_ctrl ctrl;
1781 struct v4l2_event_frame_sync frame_sync;
1782 __u8 data[64];
1783 } u;
1784 __u32 pending;
1785 __u32 sequence;
1786 struct timespec timestamp;
1787 __u32 id;
1788 __u32 reserved[8];
1789 };
1790
1791 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
1792 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
1793
1794 struct v4l2_event_subscription {
1795 __u32 type;
1796 __u32 id;
1797 __u32 flags;
1798 __u32 reserved[5];
1799 };
1800
1801 /*
1802 * A D V A N C E D D E B U G G I N G
1803 *
1804 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1805 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1806 */
1807
1808 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1809
1810 #define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */
1811 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
1812 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
1813 #define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */
1814
1815 struct v4l2_dbg_match {
1816 __u32 type; /* Match type */
1817 union { /* Match this chip, meaning determined by type */
1818 __u32 addr;
1819 char name[32];
1820 };
1821 } __attribute__ ((packed));
1822
1823 struct v4l2_dbg_register {
1824 struct v4l2_dbg_match match;
1825 __u32 size; /* register size in bytes */
1826 __u64 reg;
1827 __u64 val;
1828 } __attribute__ ((packed));
1829
1830 /* VIDIOC_DBG_G_CHIP_IDENT */
1831 struct v4l2_dbg_chip_ident {
1832 struct v4l2_dbg_match match;
1833 __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1834 __u32 revision; /* chip revision, chip specific */
1835 } __attribute__ ((packed));
1836
1837 /**
1838 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
1839 * @index: on return, index of the first created buffer
1840 * @count: entry: number of requested buffers,
1841 * return: number of created buffers
1842 * @memory: enum v4l2_memory; buffer memory type
1843 * @format: frame format, for which buffers are requested
1844 * @reserved: future extensions
1845 */
1846 struct v4l2_create_buffers {
1847 __u32 index;
1848 __u32 count;
1849 __u32 memory;
1850 struct v4l2_format format;
1851 __u32 reserved[8];
1852 };
1853
1854 /*
1855 * 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
1856 *
1857 */
1858 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
1859 #define VIDIOC_RESERVED _IO('V', 1)
1860 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
1861 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
1862 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
1863 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
1864 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
1865 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
1866 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
1867 #define VIDIOC_OVERLAY _IOW('V', 14, int)
1868 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
1869 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
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, __u32) /* enum v4l2_priority */
1908 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* 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
1921
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)
1928
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
1933
1934 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
1935
1936 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
1937 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
1938 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
1939 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
1940 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
1941
1942 /* Experimental, the below two ioctls may change over the next couple of kernel
1943 versions */
1944 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
1945 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
1946
1947 /* Experimental selection API */
1948 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
1949 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
1950
1951 /* Experimental, these two ioctls may change over the next couple of kernel
1952 versions. */
1953 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
1954 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
1955
1956 /* Experimental, these three ioctls may change over the next couple of kernel
1957 versions. */
1958 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
1959 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
1960 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
1961
1962 /* Experimental, this ioctl may change over the next couple of kernel
1963 versions. */
1964 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
1965
1966 /* Reminder: when adding new ioctls please add support for them to
1967 drivers/media/video/v4l2-compat-ioctl32.c as well! */
1968
1969 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
1970
1971 #endif /* _UAPI__LINUX_VIDEODEV2_H */
Linux kernel - Deliverables
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