source: BAORadio/libindi/v1.0.1/libs/webcam/videodev2.h@ 665

Last change on this file since 665 was 490, checked in by campagne, 15 years ago

import libindi (JEC)
File size: 29.6 KB
Line 
1/*
2 Copyright 2006 Bill Dirks <bdirks@pacbell.net>
3 Justin Schoeman
4 et al.
5This program is free software; you can redistribute it and/or
6modify it under the terms of the GNU General Public License
7as published by the Free Software Foundation; either version 2
8of the License, or (at your option) any later version.
9
10This program is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program; if not, write to the Free Software
17Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18*/
19
20#ifndef __LINUX_VIDEODEV2_H
21#define __LINUX_VIDEODEV2_H
22/*
23 * Video for Linux Two
24 *
25 * Header file for v4l or V4L2 drivers and applications, for
26 * Linux kernels 2.2.x or 2.4.x.
27 *
28 * See http://bytesex.org/v4l/ for API specs and other
29 * v4l2 documentation.
30 *
31 * Author: Bill Dirks <bdirks@pacbell.net>
32 * Justin Schoeman
33 * et al.
34 */
35/*
36 * M I S C E L L A N E O U S
37 */
38
39/* Four-character-code (FOURCC) */
40#define v4l2_fourcc(a,b,c,d)\
41 (((unsigned int)(a)<<0)|((unsigned int)(b)<<8)|((unsigned int)(c)<<16)|((unsigned int)(d)<<24))
42
43/*
44 * E N U M S
45 */
46enum v4l2_field {
47 V4L2_FIELD_ANY = 0, /* driver can choose from none,
48 top, bottom, interlaced
49 depending on whatever it thinks
50 is approximate ... */
51 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
52 V4L2_FIELD_TOP = 2, /* top field only */
53 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
54 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
55 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
56 buffer, top-bottom order */
57 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
58 V4L2_FIELD_ALTERNATE = 7 /* both fields alternating into
59 separate buffers */
60};
61#define V4L2_FIELD_HAS_TOP(field) \
62 ((field) == V4L2_FIELD_TOP ||\
63 (field) == V4L2_FIELD_INTERLACED ||\
64 (field) == V4L2_FIELD_SEQ_TB ||\
65 (field) == V4L2_FIELD_SEQ_BT)
66#define V4L2_FIELD_HAS_BOTTOM(field) \
67 ((field) == V4L2_FIELD_BOTTOM ||\
68 (field) == V4L2_FIELD_INTERLACED ||\
69 (field) == V4L2_FIELD_SEQ_TB ||\
70 (field) == V4L2_FIELD_SEQ_BT)
71#define V4L2_FIELD_HAS_BOTH(field) \
72 ((field) == V4L2_FIELD_INTERLACED ||\
73 (field) == V4L2_FIELD_SEQ_TB ||\
74 (field) == V4L2_FIELD_SEQ_BT)
75
76enum v4l2_buf_type {
77 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
78 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
79 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
80 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
81 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
82 V4L2_BUF_TYPE_PRIVATE = 0x80
83};
84
85enum v4l2_ctrl_type {
86 V4L2_CTRL_TYPE_INTEGER = 1,
87 V4L2_CTRL_TYPE_BOOLEAN = 2,
88 V4L2_CTRL_TYPE_MENU = 3,
89 V4L2_CTRL_TYPE_BUTTON = 4
90};
91
92enum v4l2_tuner_type {
93 V4L2_TUNER_RADIO = 1,
94 V4L2_TUNER_ANALOG_TV = 2
95};
96
97enum v4l2_memory {
98 V4L2_MEMORY_MMAP = 1,
99 V4L2_MEMORY_USERPTR = 2,
100 V4L2_MEMORY_OVERLAY = 3
101};
102
103/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
104enum v4l2_colorspace {
105 /* ITU-R 601 -- broadcast NTSC/PAL */
106 V4L2_COLORSPACE_SMPTE170M = 1,
107
108 /* 1125-Line (US) HDTV */
109 V4L2_COLORSPACE_SMPTE240M = 2,
110
111 /* HD and modern captures. */
112 V4L2_COLORSPACE_REC709 = 3,
113
114 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
115 V4L2_COLORSPACE_BT878 = 4,
116
117 /* These should be useful. Assume 601 extents. */
118 V4L2_COLORSPACE_470_SYSTEM_M = 5,
119 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
120
121 /* I know there will be cameras that send this. So, this is
122 * unspecified chromaticities and full 0-255 on each of the
123 * Y'CbCr components
124 */
125 V4L2_COLORSPACE_JPEG = 7,
126
127 /* For RGB colourspaces, this is probably a good start. */
128 V4L2_COLORSPACE_SRGB = 8
129};
130
131enum v4l2_priority {
132 V4L2_PRIORITY_UNSET = 0, /* not initialized */
133 V4L2_PRIORITY_BACKGROUND = 1,
134 V4L2_PRIORITY_INTERACTIVE = 2,
135 V4L2_PRIORITY_RECORD = 3,
136 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE
137};
138
139struct v4l2_rect {
140 int left;
141 int top;
142 int width;
143 int height;
144};
145
146struct v4l2_fract {
147 unsigned int numerator;
148 unsigned int denominator;
149};
150
151/*
152 * D R I V E R C A P A B I L I T I E S
153 */
154struct v4l2_capability
155{
156 unsigned char driver[16]; /* i.e. "bttv" */
157 unsigned char card[32]; /* i.e. "Hauppauge WinTV" */
158 unsigned char bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
159 unsigned int version; /* should use KERNEL_VERSION() */
160 unsigned int capabilities; /* Device capabilities */
161 unsigned int reserved[4];
162};
163
164/* Values for 'capabilities' field */
165#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
166#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
167#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
168#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */
169#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */
170#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
171
172#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
173#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
174#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
175
176#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
177#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
178#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
179
180/*
181 * V I D E O I M A G E F O R M A T
182 */
183
184struct v4l2_pix_format
185{
186 unsigned int width;
187 unsigned int height;
188 unsigned int pixelformat;
189 enum v4l2_field field;
190 unsigned int bytesperline; /* for padding, zero if unused */
191 unsigned int sizeimage;
192 enum v4l2_colorspace colorspace;
193 unsigned int priv; /* private data, depends on pixelformat */
194};
195
196/* Pixel format FOURCC depth Description */
197#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
198#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
199#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
200#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
201#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
202#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
203#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
204#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
205#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
206#define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
207#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
208#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
209#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
210#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
211#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
212#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
213#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
214
215/* two planes -- one Y, one Cr + Cb interleaved */
216#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
217#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
218
219/* The following formats are not defined in the V4L2 specification */
220#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
221#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
222#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
223#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
224
225/* see http://www.siliconimaging.com/RGB%20Bayer.htm */
226#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */
227
228/* compressed formats */
229#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
230#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
231#define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
232#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
233
234/* Vendor-specific formats */
235#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
236#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
237#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */
238#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
239
240/*
241 * F O R M A T E N U M E R A T I O N
242 */
243struct v4l2_fmtdesc
244{
245 unsigned int index; /* Format number */
246 enum v4l2_buf_type type; /* buffer type */
247 unsigned int flags;
248 unsigned char description[32]; /* Description string */
249 unsigned int pixelformat; /* Format fourcc */
250 unsigned int reserved[4];
251};
252
253#define V4L2_FMT_FLAG_COMPRESSED 0x0001
254
255
256/*
257 * T I M E C O D E
258 */
259struct v4l2_timecode
260{
261 unsigned int type;
262 unsigned int flags;
263 unsigned char frames;
264 unsigned char seconds;
265 unsigned char minutes;
266 unsigned char hours;
267 unsigned char userbits[4];
268};
269
270/* Type */
271#define V4L2_TC_TYPE_24FPS 1
272#define V4L2_TC_TYPE_25FPS 2
273#define V4L2_TC_TYPE_30FPS 3
274#define V4L2_TC_TYPE_50FPS 4
275#define V4L2_TC_TYPE_60FPS 5
276
277/* Flags */
278#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
279#define V4L2_TC_FLAG_COLORFRAME 0x0002
280#define V4L2_TC_USERBITS_field 0x000C
281#define V4L2_TC_USERBITS_USERDEFINED 0x0000
282#define V4L2_TC_USERBITS_8BITCHARS 0x0008
283/* The above is based on SMPTE timecodes */
284
285
286/*
287 * C O M P R E S S I O N P A R A M E T E R S
288 */
289#if 0
290/* ### generic compression settings don't work, there is too much
291 * ### codec-specific stuff. Maybe reuse that for MPEG codec settings
292 * ### later ... */
293struct v4l2_compression
294{
295 unsigned int quality;
296 unsigned int keyframerate;
297 unsigned int pframerate;
298 unsigned int reserved[5];
299
300/* what we'll need for MPEG, extracted from some postings on
301 the v4l list (Gert Vervoort, PlasmaJohn).
302
303system stream:
304 - type: elementary stream(ES), packatised elementary stream(s) (PES)
305 program stream(PS), transport stream(TS)
306 - system bitrate
307 - PS packet size (DVD: 2048 bytes, VCD: 2324 bytes)
308 - TS video PID
309 - TS audio PID
310 - TS PCR PID
311 - TS system information tables (PAT, PMT, CAT, NIT and SIT)
312 - (MPEG-1 systems stream vs. MPEG-2 program stream (TS not supported
313 by MPEG-1 systems)
314
315audio:
316 - type: MPEG (+Layer I,II,III), AC-3, LPCM
317 - bitrate
318 - sampling frequency (DVD: 48 Khz, VCD: 44.1 KHz, 32 kHz)
319 - Trick Modes? (ff, rew)
320 - Copyright
321 - Inverse Telecine
322
323video:
324 - picturesize (SIF, 1/2 D1, 2/3 D1, D1) and PAL/NTSC norm can be set
325 through excisting V4L2 controls
326 - noise reduction, parameters encoder specific?
327 - MPEG video version: MPEG-1, MPEG-2
328 - GOP (Group Of Pictures) definition:
329 - N: number of frames per GOP
330 - M: distance between reference (I,P) frames
331 - open/closed GOP
332 - quantiser matrix: inter Q matrix (64 bytes) and intra Q matrix (64 bytes)
333 - quantiser scale: linear or logarithmic
334 - scanning: alternate or zigzag
335 - bitrate mode: CBR (constant bitrate) or VBR (variable bitrate).
336 - target video bitrate for CBR
337 - target video bitrate for VBR
338 - maximum video bitrate for VBR - min. quantiser value for VBR
339 - max. quantiser value for VBR
340 - adaptive quantisation value
341 - return the number of bytes per GOP or bitrate for bitrate monitoring
342
343*/
344};
345#endif
346
347struct v4l2_jpegcompression
348{
349 int quality;
350
351 int APPn; /* Number of APP segment to be written,
352 * must be 0..15 */
353 int APP_len; /* Length of data in JPEG APPn segment */
354 char APP_data[60]; /* Data in the JPEG APPn segment. */
355
356 int COM_len; /* Length of data in JPEG COM segment */
357 char COM_data[60]; /* Data in JPEG COM segment */
358
359 unsigned int jpeg_markers; /* Which markers should go into the JPEG
360 * output. Unless you exactly know what
361 * you do, leave them untouched.
362 * Inluding less markers will make the
363 * resulting code smaller, but there will
364 * be fewer aplications which can read it.
365 * The presence of the APP and COM marker
366 * is influenced by APP_len and COM_len
367 * ONLY, not by this property! */
368
369#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
370#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
371#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
372#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
373#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
374 * always use APP0 */
375};
376
377
378/*
379 * M E M O R Y - M A P P I N G B U F F E R S
380 */
381struct v4l2_requestbuffers
382{
383 unsigned int count;
384 enum v4l2_buf_type type;
385 enum v4l2_memory memory;
386 unsigned int reserved[2];
387};
388
389struct v4l2_buffer
390{
391 unsigned int index;
392 enum v4l2_buf_type type;
393 unsigned int bytesused;
394 unsigned int flags;
395 enum v4l2_field field;
396 struct timeval timestamp;
397 struct v4l2_timecode timecode;
398 unsigned int sequence;
399
400 /* memory location */
401 enum v4l2_memory memory;
402 union {
403 unsigned int offset;
404 unsigned long userptr;
405 } m;
406 unsigned int length;
407 unsigned int input;
408 unsigned int reserved;
409};
410
411/* Flags for 'flags' field */
412#define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
413#define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
414#define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
415#define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
416#define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
417#define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
418#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
419#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
420
421/*
422 * O V E R L A Y P R E V I E W
423 */
424struct v4l2_framebuffer
425{
426 unsigned int capability;
427 unsigned int flags;
428/* FIXME: in theory we should pass something like PCI device + memory
429 * region + offset instead of some physical address */
430 void* base;
431 struct v4l2_pix_format fmt;
432};
433/* Flags for the 'capability' field. Read only */
434#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
435#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
436#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
437#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
438/* Flags for the 'flags' field. */
439#define V4L2_FBUF_FLAG_PRIMARY 0x0001
440#define V4L2_FBUF_FLAG_OVERLAY 0x0002
441#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
442
443struct v4l2_clip
444{
445 struct v4l2_rect c;
446 struct v4l2_clip *next;
447};
448
449struct v4l2_window
450{
451 struct v4l2_rect w;
452 enum v4l2_field field;
453 unsigned int chromakey;
454 struct v4l2_clip *clips;
455 unsigned int clipcount;
456 void *bitmap;
457};
458
459
460/*
461 * C A P T U R E P A R A M E T E R S
462 */
463struct v4l2_captureparm
464{
465 unsigned int capability; /* Supported modes */
466 unsigned int capturemode; /* Current mode */
467 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
468 unsigned int extendedmode; /* Driver-specific extensions */
469 unsigned int readbuffers; /* # of buffers for read */
470 unsigned int reserved[4];
471};
472/* Flags for 'capability' and 'capturemode' fields */
473#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
474#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
475
476struct v4l2_outputparm
477{
478 unsigned int capability; /* Supported modes */
479 unsigned int outputmode; /* Current mode */
480 struct v4l2_fract timeperframe; /* Time per frame in seconds */
481 unsigned int extendedmode; /* Driver-specific extensions */
482 unsigned int writebuffers; /* # of buffers for write */
483 unsigned int reserved[4];
484};
485
486/*
487 * I N P U T I M A G E C R O P P I N G
488 */
489
490struct v4l2_cropcap {
491 enum v4l2_buf_type type;
492 struct v4l2_rect bounds;
493 struct v4l2_rect defrect;
494 struct v4l2_fract pixelaspect;
495};
496
497struct v4l2_crop {
498 enum v4l2_buf_type type;
499 struct v4l2_rect c;
500};
501
502/*
503 * A N A L O G V I D E O S T A N D A R D
504 */
505
506typedef unsigned long long v4l2_std_id;
507
508/* one bit for each */
509#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
510#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
511#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
512#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
513#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
514#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
515#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
516#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
517
518#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
519#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
520#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
521#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
522
523#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
524#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
525
526#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
527#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
528#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
529#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
530#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
531#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
532#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
533
534/* ATSC/HDTV */
535#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
536#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
537
538/* some common needed stuff */
539#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
540 V4L2_STD_PAL_B1 |\
541 V4L2_STD_PAL_G)
542#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
543 V4L2_STD_PAL_D1 |\
544 V4L2_STD_PAL_K)
545#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
546 V4L2_STD_PAL_DK |\
547 V4L2_STD_PAL_H |\
548 V4L2_STD_PAL_I)
549#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
550 V4L2_STD_NTSC_M_JP)
551#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
552 V4L2_STD_SECAM_K |\
553 V4L2_STD_SECAM_K1)
554#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
555 V4L2_STD_SECAM_G |\
556 V4L2_STD_SECAM_H |\
557 V4L2_STD_SECAM_DK |\
558 V4L2_STD_SECAM_L)
559
560#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
561 V4L2_STD_PAL_60 |\
562 V4L2_STD_NTSC)
563#define V4L2_STD_625_50 (V4L2_STD_PAL |\
564 V4L2_STD_PAL_N |\
565 V4L2_STD_PAL_Nc |\
566 V4L2_STD_SECAM)
567#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
568 V4L2_STD_ATSC_16_VSB)
569
570#define V4L2_STD_UNKNOWN 0
571#define V4L2_STD_ALL (V4L2_STD_525_60 |\
572 V4L2_STD_625_50)
573
574struct v4l2_standard
575{
576 unsigned int index;
577 v4l2_std_id id;
578 unsigned char name[24];
579 struct v4l2_fract frameperiod; /* Frames, not fields */
580 unsigned int framelines;
581 unsigned int reserved[4];
582};
583
584
585/*
586 * V I D E O I N P U T S
587 */
588struct v4l2_input
589{
590 unsigned int index; /* Which input */
591 unsigned char name[32]; /* Label */
592 unsigned int type; /* Type of input */
593 unsigned int audioset; /* Associated audios (bitfield) */
594 unsigned int tuner; /* Associated tuner */
595 v4l2_std_id std;
596 unsigned int status;
597 unsigned int reserved[4];
598};
599/* Values for the 'type' field */
600#define V4L2_INPUT_TYPE_TUNER 1
601#define V4L2_INPUT_TYPE_CAMERA 2
602
603/* field 'status' - general */
604#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
605#define V4L2_IN_ST_NO_SIGNAL 0x00000002
606#define V4L2_IN_ST_NO_COLOR 0x00000004
607
608/* field 'status' - analog */
609#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
610#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
611
612/* field 'status' - digital */
613#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
614#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
615#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
616
617/* field 'status' - VCR and set-top box */
618#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
619#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
620#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
621
622/*
623 * V I D E O O U T P U T S
624 */
625struct v4l2_output
626{
627 unsigned int index; /* Which output */
628 unsigned char name[32]; /* Label */
629 unsigned int type; /* Type of output */
630 unsigned int audioset; /* Associated audios (bitfield) */
631 unsigned int modulator; /* Associated modulator */
632 v4l2_std_id std;
633 unsigned int reserved[4];
634};
635/* Values for the 'type' field */
636#define V4L2_OUTPUT_TYPE_MODULATOR 1
637#define V4L2_OUTPUT_TYPE_ANALOG 2
638#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
639
640/*
641 * C O N T R O L S
642 */
643struct v4l2_control
644{
645 unsigned int id;
646 int value;
647};
648
649/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
650struct v4l2_queryctrl
651{
652 unsigned int id;
653 enum v4l2_ctrl_type type;
654 unsigned char name[32]; /* Whatever */
655 int minimum; /* Note signedness */
656 int maximum;
657 int step;
658 int default_value;
659 unsigned int flags;
660 unsigned int reserved[2];
661};
662
663/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
664struct v4l2_querymenu
665{
666 unsigned int id;
667 unsigned int index;
668 unsigned char name[32]; /* Whatever */
669 unsigned int reserved;
670};
671
672/* Control flags */
673#define V4L2_CTRL_FLAG_DISABLED 0x0001
674#define V4L2_CTRL_FLAG_GRABBED 0x0002
675
676/* Control IDs defined by V4L2 */
677#define V4L2_CID_BASE 0x00980900
678/* IDs reserved for driver specific controls */
679#define V4L2_CID_PRIVATE_BASE 0x08000000
680
681#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
682#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
683#define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
684#define V4L2_CID_HUE (V4L2_CID_BASE+3)
685#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
686#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
687#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
688#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
689#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
690#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
691#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11)
692#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
693#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
694#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
695#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
696#define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
697#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */
698#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
699#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
700#define V4L2_CID_GAIN (V4L2_CID_BASE+19)
701#define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
702#define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
703#define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
704#define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
705#define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
706
707/*
708 * T U N I N G
709 */
710struct v4l2_tuner
711{
712 unsigned int index;
713 unsigned char name[32];
714 enum v4l2_tuner_type type;
715 unsigned int capability;
716 unsigned int rangelow;
717 unsigned int rangehigh;
718 unsigned int rxsubchans;
719 unsigned int audmode;
720 int signal;
721 int afc;
722 unsigned int reserved[4];
723};
724
725struct v4l2_modulator
726{
727 unsigned int index;
728 unsigned char name[32];
729 unsigned int capability;
730 unsigned int rangelow;
731 unsigned int rangehigh;
732 unsigned int txsubchans;
733 unsigned int reserved[4];
734};
735
736/* Flags for the 'capability' field */
737#define V4L2_TUNER_CAP_LOW 0x0001
738#define V4L2_TUNER_CAP_NORM 0x0002
739#define V4L2_TUNER_CAP_STEREO 0x0010
740#define V4L2_TUNER_CAP_LANG2 0x0020
741#define V4L2_TUNER_CAP_SAP 0x0020
742#define V4L2_TUNER_CAP_LANG1 0x0040
743
744/* Flags for the 'rxsubchans' field */
745#define V4L2_TUNER_SUB_MONO 0x0001
746#define V4L2_TUNER_SUB_STEREO 0x0002
747#define V4L2_TUNER_SUB_LANG2 0x0004
748#define V4L2_TUNER_SUB_SAP 0x0004
749#define V4L2_TUNER_SUB_LANG1 0x0008
750
751/* Values for the 'audmode' field */
752#define V4L2_TUNER_MODE_MONO 0x0000
753#define V4L2_TUNER_MODE_STEREO 0x0001
754#define V4L2_TUNER_MODE_LANG2 0x0002
755#define V4L2_TUNER_MODE_SAP 0x0002
756#define V4L2_TUNER_MODE_LANG1 0x0003
757
758struct v4l2_frequency
759{
760 unsigned int tuner;
761 enum v4l2_tuner_type type;
762 unsigned int frequency;
763 unsigned int reserved[8];
764};
765
766/*
767 * A U D I O
768 */
769struct v4l2_audio
770{
771 unsigned int index;
772 unsigned char name[32];
773 unsigned int capability;
774 unsigned int mode;
775 unsigned int reserved[2];
776};
777/* Flags for the 'capability' field */
778#define V4L2_AUDCAP_STEREO 0x00001
779#define V4L2_AUDCAP_AVL 0x00002
780
781/* Flags for the 'mode' field */
782#define V4L2_AUDMODE_AVL 0x00001
783
784struct v4l2_audioout
785{
786 unsigned int index;
787 unsigned char name[32];
788 unsigned int capability;
789 unsigned int mode;
790 unsigned int reserved[2];
791};
792
793/*
794 * D A T A S E R V I C E S ( V B I )
795 *
796 * Data services API by Michael Schimek
797 */
798
799struct v4l2_vbi_format
800{
801 unsigned int sampling_rate; /* in 1 Hz */
802 unsigned int offset;
803 unsigned int samples_per_line;
804 unsigned int sample_format; /* V4L2_PIX_FMT_* */
805 int start[2];
806 unsigned int count[2];
807 unsigned int flags; /* V4L2_VBI_* */
808 unsigned int reserved[2]; /* must be zero */
809};
810
811/* VBI flags */
812#define V4L2_VBI_UNSYNC (1<< 0)
813#define V4L2_VBI_INTERLACED (1<< 1)
814
815
816/*
817 * A G G R E G A T E S T R U C T U R E S
818 */
819
820/* Stream data format
821 */
822struct v4l2_format
823{
824 enum v4l2_buf_type type;
825 union
826 {
827 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
828 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
829 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
830 unsigned char raw_data[200]; // user-defined
831 } fmt;
832};
833
834
835/* Stream type-dependent parameters
836 */
837struct v4l2_streamparm
838{
839 enum v4l2_buf_type type;
840 union
841 {
842 struct v4l2_captureparm capture;
843 struct v4l2_outputparm output;
844 unsigned char raw_data[200]; /* user-defined */
845 } parm;
846};
847
848
849
850/*
851 * 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
852 *
853 */
854#define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
855#define VIDIOC_RESERVED _IO ('V', 1)
856#define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
857#define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
858#define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
859#if 0
860#define VIDIOC_G_COMP _IOR ('V', 6, struct v4l2_compression)
861#define VIDIOC_S_COMP _IOW ('V', 7, struct v4l2_compression)
862#endif
863#define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
864#define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
865#define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
866#define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
867#define VIDIOC_OVERLAY _IOW ('V', 14, int)
868#define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
869#define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
870#define VIDIOC_STREAMON _IOW ('V', 18, int)
871#define VIDIOC_STREAMOFF _IOW ('V', 19, int)
872#define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
873#define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
874#define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
875#define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
876#define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
877#define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
878#define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
879#define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
880#define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
881#define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
882#define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
883#define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
884#define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
885#define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
886#define VIDIOC_G_INPUT _IOR ('V', 38, int)
887#define VIDIOC_S_INPUT _IOWR ('V', 39, int)
888#define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
889#define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
890#define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
891#define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
892#define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
893#define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
894#define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
895#define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
896#define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
897#define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
898#define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
899#define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
900#define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
901#define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
902#define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
903#define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
904#define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
905#define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
906#define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
907#define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
908
909/* for compatibility, will go away some day */
910#define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
911#define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
912#define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
913#define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
914#define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
915#define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
916
917#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
918
919#endif /* __LINUX_VIDEODEV2_H */
920
921/*
922 * Local variables:
923 * c-basic-offset: 8
924 * End:
925 */
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