1 /* 2 * Video for Linux Two 3 * 4 * Header file for v4l or V4L2 drivers and applications 5 * with public API. 6 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 7 * no #if __KERNEL tests are allowed here 8 * 9 * See http://linuxtv.org for more info 10 * 11 * Author: Bill Dirks <[email protected]> 12 * Justin Schoeman 13 * et al. 14 */ 15 #ifndef __LINUX_VIDEODEV2_H 16 #define __LINUX_VIDEODEV2_H 17 #ifdef __KERNEL__ 18 #include <linux/time.h> /* need struct timeval */ 19 #include <linux/compiler.h> /* need __user */ 20 #else 21 #define __user 22 #endif 23 #include <linux/types.h> 24 25 /* 26 * Common stuff for both V4L1 and V4L2 27 * Moved from videodev.h 28 */ 29 #define VIDEO_MAX_FRAME 32 30 31 #define VID_TYPE_CAPTURE 1 /* Can capture */ 32 #define VID_TYPE_TUNER 2 /* Can tune */ 33 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 34 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 35 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 36 #define VID_TYPE_CLIPPING 32 /* Can clip */ 37 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 38 #define VID_TYPE_SCALES 128 /* Scalable */ 39 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 40 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 41 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 42 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 43 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 44 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 45 46 /* 47 * M I S C E L L A N E O U S 48 */ 49 50 /* Four-character-code (FOURCC) */ 51 #define v4l2_fourcc(a,b,c,d)\ 52 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) 53 54 /* 55 * E N U M S 56 */ 57 enum v4l2_field { 58 V4L2_FIELD_ANY = 0, /* driver can choose from none, 59 top, bottom, interlaced 60 depending on whatever it thinks 61 is approximate ... */ 62 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 63 V4L2_FIELD_TOP = 2, /* top field only */ 64 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 65 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 66 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 67 buffer, top-bottom order */ 68 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 69 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 70 separate buffers */ 71 }; 72 #define V4L2_FIELD_HAS_TOP(field) \ 73 ((field) == V4L2_FIELD_TOP ||\ 74 (field) == V4L2_FIELD_INTERLACED ||\ 75 (field) == V4L2_FIELD_SEQ_TB ||\ 76 (field) == V4L2_FIELD_SEQ_BT) 77 #define V4L2_FIELD_HAS_BOTTOM(field) \ 78 ((field) == V4L2_FIELD_BOTTOM ||\ 79 (field) == V4L2_FIELD_INTERLACED ||\ 80 (field) == V4L2_FIELD_SEQ_TB ||\ 81 (field) == V4L2_FIELD_SEQ_BT) 82 #define V4L2_FIELD_HAS_BOTH(field) \ 83 ((field) == V4L2_FIELD_INTERLACED ||\ 84 (field) == V4L2_FIELD_SEQ_TB ||\ 85 (field) == V4L2_FIELD_SEQ_BT) 86 87 enum v4l2_buf_type { 88 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 89 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 90 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 91 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 92 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 93 #if 1 94 /* Experimental Sliced VBI */ 95 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 96 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 97 #endif 98 V4L2_BUF_TYPE_PRIVATE = 0x80, 99 }; 100 101 enum v4l2_ctrl_type { 102 V4L2_CTRL_TYPE_INTEGER = 1, 103 V4L2_CTRL_TYPE_BOOLEAN = 2, 104 V4L2_CTRL_TYPE_MENU = 3, 105 V4L2_CTRL_TYPE_BUTTON = 4, 106 V4L2_CTRL_TYPE_INTEGER64 = 5, 107 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 108 }; 109 110 enum v4l2_tuner_type { 111 V4L2_TUNER_RADIO = 1, 112 V4L2_TUNER_ANALOG_TV = 2, 113 V4L2_TUNER_DIGITAL_TV = 3, 114 }; 115 116 enum v4l2_memory { 117 V4L2_MEMORY_MMAP = 1, 118 V4L2_MEMORY_USERPTR = 2, 119 V4L2_MEMORY_OVERLAY = 3, 120 }; 121 122 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 123 enum v4l2_colorspace { 124 /* ITU-R 601 -- broadcast NTSC/PAL */ 125 V4L2_COLORSPACE_SMPTE170M = 1, 126 127 /* 1125-Line (US) HDTV */ 128 V4L2_COLORSPACE_SMPTE240M = 2, 129 130 /* HD and modern captures. */ 131 V4L2_COLORSPACE_REC709 = 3, 132 133 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 134 V4L2_COLORSPACE_BT878 = 4, 135 136 /* These should be useful. Assume 601 extents. */ 137 V4L2_COLORSPACE_470_SYSTEM_M = 5, 138 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 139 140 /* I know there will be cameras that send this. So, this is 141 * unspecified chromaticities and full 0-255 on each of the 142 * Y'CbCr components 143 */ 144 V4L2_COLORSPACE_JPEG = 7, 145 146 /* For RGB colourspaces, this is probably a good start. */ 147 V4L2_COLORSPACE_SRGB = 8, 148 }; 149 150 enum v4l2_priority { 151 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 152 V4L2_PRIORITY_BACKGROUND = 1, 153 V4L2_PRIORITY_INTERACTIVE = 2, 154 V4L2_PRIORITY_RECORD = 3, 155 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 156 }; 157 158 struct v4l2_rect { 159 __s32 left; 160 __s32 top; 161 __s32 width; 162 __s32 height; 163 }; 164 165 struct v4l2_fract { 166 __u32 numerator; 167 __u32 denominator; 168 }; 169 170 /* 171 * D R I V E R C A P A B I L I T I E S 172 */ 173 struct v4l2_capability 174 { 175 __u8 driver[16]; /* i.e. "bttv" */ 176 __u8 card[32]; /* i.e. "Hauppauge WinTV" */ 177 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ 178 __u32 version; /* should use KERNEL_VERSION() */ 179 __u32 capabilities; /* Device capabilities */ 180 __u32 reserved[4]; 181 }; 182 183 /* Values for 'capabilities' field */ 184 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 185 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 186 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 187 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 188 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 189 #if 1 190 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 191 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 192 #endif 193 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 194 195 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 196 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 197 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 198 199 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 200 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 201 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 202 203 /* 204 * V I D E O I M A G E F O R M A T 205 */ 206 struct v4l2_pix_format 207 { 208 __u32 width; 209 __u32 height; 210 __u32 pixelformat; 211 enum v4l2_field field; 212 __u32 bytesperline; /* for padding, zero if unused */ 213 __u32 sizeimage; 214 enum v4l2_colorspace colorspace; 215 __u32 priv; /* private data, depends on pixelformat */ 216 }; 217 218 /* Pixel format FOURCC depth Description */ 219 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ 220 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ 221 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ 222 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ 223 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ 224 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ 225 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ 226 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ 227 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ 228 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ 229 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ 230 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ 231 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ 232 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ 233 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ 234 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ 235 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ 236 237 /* two planes -- one Y, one Cr + Cb interleaved */ 238 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ 239 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ 240 241 /* The following formats are not defined in the V4L2 specification */ 242 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ 243 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ 244 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ 245 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ 246 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H','M','1','2') /* 8 YUV 4:2:0 16x16 macroblocks */ 247 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R','4','4','4') /* 16 xxxxrrrr ggggbbbb */ 248 249 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ 250 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ 251 252 /* compressed formats */ 253 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ 254 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ 255 #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ 256 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG-1/2/4 */ 257 258 /* Vendor-specific formats */ 259 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ 260 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ 261 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ 262 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ 263 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */ 264 265 /* 266 * F O R M A T E N U M E R A T I O N 267 */ 268 struct v4l2_fmtdesc 269 { 270 __u32 index; /* Format number */ 271 enum v4l2_buf_type type; /* buffer type */ 272 __u32 flags; 273 __u8 description[32]; /* Description string */ 274 __u32 pixelformat; /* Format fourcc */ 275 __u32 reserved[4]; 276 }; 277 278 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 279 280 #if 1 281 /* Experimental Frame Size and frame rate enumeration */ 282 /* 283 * F R A M E S I Z E E N U M E R A T I O N 284 */ 285 enum v4l2_frmsizetypes 286 { 287 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 288 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 289 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 290 }; 291 292 struct v4l2_frmsize_discrete 293 { 294 __u32 width; /* Frame width [pixel] */ 295 __u32 height; /* Frame height [pixel] */ 296 }; 297 298 struct v4l2_frmsize_stepwise 299 { 300 __u32 min_width; /* Minimum frame width [pixel] */ 301 __u32 max_width; /* Maximum frame width [pixel] */ 302 __u32 step_width; /* Frame width step size [pixel] */ 303 __u32 min_height; /* Minimum frame height [pixel] */ 304 __u32 max_height; /* Maximum frame height [pixel] */ 305 __u32 step_height; /* Frame height step size [pixel] */ 306 }; 307 308 struct v4l2_frmsizeenum 309 { 310 __u32 index; /* Frame size number */ 311 __u32 pixel_format; /* Pixel format */ 312 __u32 type; /* Frame size type the device supports. */ 313 314 union { /* Frame size */ 315 struct v4l2_frmsize_discrete discrete; 316 struct v4l2_frmsize_stepwise stepwise; 317 }; 318 319 __u32 reserved[2]; /* Reserved space for future use */ 320 }; 321 322 /* 323 * F R A M E R A T E E N U M E R A T I O N 324 */ 325 enum v4l2_frmivaltypes 326 { 327 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 328 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 329 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 330 }; 331 332 struct v4l2_frmival_stepwise 333 { 334 struct v4l2_fract min; /* Minimum frame interval [s] */ 335 struct v4l2_fract max; /* Maximum frame interval [s] */ 336 struct v4l2_fract step; /* Frame interval step size [s] */ 337 }; 338 339 struct v4l2_frmivalenum 340 { 341 __u32 index; /* Frame format index */ 342 __u32 pixel_format; /* Pixel format */ 343 __u32 width; /* Frame width */ 344 __u32 height; /* Frame height */ 345 __u32 type; /* Frame interval type the device supports. */ 346 347 union { /* Frame interval */ 348 struct v4l2_fract discrete; 349 struct v4l2_frmival_stepwise stepwise; 350 }; 351 352 __u32 reserved[2]; /* Reserved space for future use */ 353 }; 354 #endif 355 356 /* 357 * T I M E C O D E 358 */ 359 struct v4l2_timecode 360 { 361 __u32 type; 362 __u32 flags; 363 __u8 frames; 364 __u8 seconds; 365 __u8 minutes; 366 __u8 hours; 367 __u8 userbits[4]; 368 }; 369 370 /* Type */ 371 #define V4L2_TC_TYPE_24FPS 1 372 #define V4L2_TC_TYPE_25FPS 2 373 #define V4L2_TC_TYPE_30FPS 3 374 #define V4L2_TC_TYPE_50FPS 4 375 #define V4L2_TC_TYPE_60FPS 5 376 377 /* Flags */ 378 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 379 #define V4L2_TC_FLAG_COLORFRAME 0x0002 380 #define V4L2_TC_USERBITS_field 0x000C 381 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 382 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 383 /* The above is based on SMPTE timecodes */ 384 385 #ifdef __KERNEL__ 386 /* 387 * M P E G C O M P R E S S I O N P A R A M E T E R S 388 * 389 * ### WARNING: This experimental MPEG compression API is obsolete. 390 * ### It is replaced by the MPEG controls API. 391 * ### This old API will disappear in the near future! 392 * 393 */ 394 enum v4l2_bitrate_mode { 395 V4L2_BITRATE_NONE = 0, /* not specified */ 396 V4L2_BITRATE_CBR, /* constant bitrate */ 397 V4L2_BITRATE_VBR, /* variable bitrate */ 398 }; 399 struct v4l2_bitrate { 400 /* rates are specified in kbit/sec */ 401 enum v4l2_bitrate_mode mode; 402 __u32 min; 403 __u32 target; /* use this one for CBR */ 404 __u32 max; 405 }; 406 407 enum v4l2_mpeg_streamtype { 408 V4L2_MPEG_SS_1, /* MPEG-1 system stream */ 409 V4L2_MPEG_PS_2, /* MPEG-2 program stream */ 410 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ 411 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ 412 }; 413 enum v4l2_mpeg_audiotype { 414 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ 415 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ 416 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ 417 V4L2_MPEG_AC3, /* AC3 */ 418 V4L2_MPEG_LPCM, /* LPCM */ 419 }; 420 enum v4l2_mpeg_videotype { 421 V4L2_MPEG_VI_1, /* MPEG-1 */ 422 V4L2_MPEG_VI_2, /* MPEG-2 */ 423 }; 424 enum v4l2_mpeg_aspectratio { 425 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ 426 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ 427 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ 428 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ 429 }; 430 431 struct v4l2_mpeg_compression { 432 /* general */ 433 enum v4l2_mpeg_streamtype st_type; 434 struct v4l2_bitrate st_bitrate; 435 436 /* transport streams */ 437 __u16 ts_pid_pmt; 438 __u16 ts_pid_audio; 439 __u16 ts_pid_video; 440 __u16 ts_pid_pcr; 441 442 /* program stream */ 443 __u16 ps_size; 444 __u16 reserved_1; /* align */ 445 446 /* audio */ 447 enum v4l2_mpeg_audiotype au_type; 448 struct v4l2_bitrate au_bitrate; 449 __u32 au_sample_rate; 450 __u8 au_pesid; 451 __u8 reserved_2[3]; /* align */ 452 453 /* video */ 454 enum v4l2_mpeg_videotype vi_type; 455 enum v4l2_mpeg_aspectratio vi_aspect_ratio; 456 struct v4l2_bitrate vi_bitrate; 457 __u32 vi_frame_rate; 458 __u16 vi_frames_per_gop; 459 __u16 vi_bframes_count; 460 __u8 vi_pesid; 461 __u8 reserved_3[3]; /* align */ 462 463 /* misc flags */ 464 __u32 closed_gops:1; 465 __u32 pulldown:1; 466 __u32 reserved_4:30; /* align */ 467 468 /* I don't expect the above being perfect yet ;) */ 469 __u32 reserved_5[8]; 470 }; 471 #endif 472 473 struct v4l2_jpegcompression 474 { 475 int quality; 476 477 int APPn; /* Number of APP segment to be written, 478 * must be 0..15 */ 479 int APP_len; /* Length of data in JPEG APPn segment */ 480 char APP_data[60]; /* Data in the JPEG APPn segment. */ 481 482 int COM_len; /* Length of data in JPEG COM segment */ 483 char COM_data[60]; /* Data in JPEG COM segment */ 484 485 __u32 jpeg_markers; /* Which markers should go into the JPEG 486 * output. Unless you exactly know what 487 * you do, leave them untouched. 488 * Inluding less markers will make the 489 * resulting code smaller, but there will 490 * be fewer aplications which can read it. 491 * The presence of the APP and COM marker 492 * is influenced by APP_len and COM_len 493 * ONLY, not by this property! */ 494 495 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 496 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 497 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 498 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 499 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 500 * allways use APP0 */ 501 }; 502 503 /* 504 * M E M O R Y - M A P P I N G B U F F E R S 505 */ 506 struct v4l2_requestbuffers 507 { 508 __u32 count; 509 enum v4l2_buf_type type; 510 enum v4l2_memory memory; 511 __u32 reserved[2]; 512 }; 513 514 struct v4l2_buffer 515 { 516 __u32 index; 517 enum v4l2_buf_type type; 518 __u32 bytesused; 519 __u32 flags; 520 enum v4l2_field field; 521 struct timeval timestamp; 522 struct v4l2_timecode timecode; 523 __u32 sequence; 524 525 /* memory location */ 526 enum v4l2_memory memory; 527 union { 528 __u32 offset; 529 unsigned long userptr; 530 } m; 531 __u32 length; 532 __u32 input; 533 __u32 reserved; 534 }; 535 536 /* Flags for 'flags' field */ 537 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 538 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 539 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 540 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 541 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 542 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 543 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 544 #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ 545 546 /* 547 * O V E R L A Y P R E V I E W 548 */ 549 struct v4l2_framebuffer 550 { 551 __u32 capability; 552 __u32 flags; 553 /* FIXME: in theory we should pass something like PCI device + memory 554 * region + offset instead of some physical address */ 555 void* base; 556 struct v4l2_pix_format fmt; 557 }; 558 /* Flags for the 'capability' field. Read only */ 559 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 560 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 561 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 562 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 563 /* Flags for the 'flags' field. */ 564 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 565 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 566 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 567 568 struct v4l2_clip 569 { 570 struct v4l2_rect c; 571 struct v4l2_clip __user *next; 572 }; 573 574 struct v4l2_window 575 { 576 struct v4l2_rect w; 577 enum v4l2_field field; 578 __u32 chromakey; 579 struct v4l2_clip __user *clips; 580 __u32 clipcount; 581 void __user *bitmap; 582 }; 583 584 /* 585 * C A P T U R E P A R A M E T E R S 586 */ 587 struct v4l2_captureparm 588 { 589 __u32 capability; /* Supported modes */ 590 __u32 capturemode; /* Current mode */ 591 struct v4l2_fract timeperframe; /* Time per frame in .1us units */ 592 __u32 extendedmode; /* Driver-specific extensions */ 593 __u32 readbuffers; /* # of buffers for read */ 594 __u32 reserved[4]; 595 }; 596 597 /* Flags for 'capability' and 'capturemode' fields */ 598 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 599 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 600 601 struct v4l2_outputparm 602 { 603 __u32 capability; /* Supported modes */ 604 __u32 outputmode; /* Current mode */ 605 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 606 __u32 extendedmode; /* Driver-specific extensions */ 607 __u32 writebuffers; /* # of buffers for write */ 608 __u32 reserved[4]; 609 }; 610 611 /* 612 * I N P U T I M A G E C R O P P I N G 613 */ 614 struct v4l2_cropcap { 615 enum v4l2_buf_type type; 616 struct v4l2_rect bounds; 617 struct v4l2_rect defrect; 618 struct v4l2_fract pixelaspect; 619 }; 620 621 struct v4l2_crop { 622 enum v4l2_buf_type type; 623 struct v4l2_rect c; 624 }; 625 626 /* 627 * A N A L O G V I D E O S T A N D A R D 628 */ 629 630 typedef __u64 v4l2_std_id; 631 632 /* one bit for each */ 633 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 634 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 635 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 636 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 637 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 638 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 639 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 640 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 641 642 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 643 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 644 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 645 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 646 647 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) 648 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) 649 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 650 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) 651 652 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 653 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 654 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 655 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 656 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 657 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 658 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 659 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 660 661 /* ATSC/HDTV */ 662 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 663 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 664 665 /* FIXME: 666 Although std_id is 64 bits, there is an issue on PPC32 architecture that 667 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 668 this value to 32 bits. 669 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 670 it should work fine. However, if needed to add more than two standards, 671 v4l2-common.c should be fixed. 672 */ 673 674 /* some merged standards */ 675 #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC) 676 #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B) 677 #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H) 678 #define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK) 679 680 /* some common needed stuff */ 681 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 682 V4L2_STD_PAL_B1 |\ 683 V4L2_STD_PAL_G) 684 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 685 V4L2_STD_PAL_D1 |\ 686 V4L2_STD_PAL_K) 687 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 688 V4L2_STD_PAL_DK |\ 689 V4L2_STD_PAL_H |\ 690 V4L2_STD_PAL_I) 691 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 692 V4L2_STD_NTSC_M_JP |\ 693 V4L2_STD_NTSC_M_KR) 694 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 695 V4L2_STD_SECAM_K |\ 696 V4L2_STD_SECAM_K1) 697 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 698 V4L2_STD_SECAM_G |\ 699 V4L2_STD_SECAM_H |\ 700 V4L2_STD_SECAM_DK |\ 701 V4L2_STD_SECAM_L |\ 702 V4L2_STD_SECAM_LC) 703 704 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 705 V4L2_STD_PAL_60 |\ 706 V4L2_STD_NTSC |\ 707 V4L2_STD_NTSC_443) 708 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 709 V4L2_STD_PAL_N |\ 710 V4L2_STD_PAL_Nc |\ 711 V4L2_STD_SECAM) 712 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 713 V4L2_STD_ATSC_16_VSB) 714 715 #define V4L2_STD_UNKNOWN 0 716 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 717 V4L2_STD_625_50) 718 719 struct v4l2_standard 720 { 721 __u32 index; 722 v4l2_std_id id; 723 __u8 name[24]; 724 struct v4l2_fract frameperiod; /* Frames, not fields */ 725 __u32 framelines; 726 __u32 reserved[4]; 727 }; 728 729 /* 730 * V I D E O I N P U T S 731 */ 732 struct v4l2_input 733 { 734 __u32 index; /* Which input */ 735 __u8 name[32]; /* Label */ 736 __u32 type; /* Type of input */ 737 __u32 audioset; /* Associated audios (bitfield) */ 738 __u32 tuner; /* Associated tuner */ 739 v4l2_std_id std; 740 __u32 status; 741 __u32 reserved[4]; 742 }; 743 744 /* Values for the 'type' field */ 745 #define V4L2_INPUT_TYPE_TUNER 1 746 #define V4L2_INPUT_TYPE_CAMERA 2 747 748 /* field 'status' - general */ 749 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 750 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 751 #define V4L2_IN_ST_NO_COLOR 0x00000004 752 753 /* field 'status' - analog */ 754 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 755 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 756 757 /* field 'status' - digital */ 758 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 759 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 760 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 761 762 /* field 'status' - VCR and set-top box */ 763 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 764 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 765 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 766 767 /* 768 * V I D E O O U T P U T S 769 */ 770 struct v4l2_output 771 { 772 __u32 index; /* Which output */ 773 __u8 name[32]; /* Label */ 774 __u32 type; /* Type of output */ 775 __u32 audioset; /* Associated audios (bitfield) */ 776 __u32 modulator; /* Associated modulator */ 777 v4l2_std_id std; 778 __u32 reserved[4]; 779 }; 780 /* Values for the 'type' field */ 781 #define V4L2_OUTPUT_TYPE_MODULATOR 1 782 #define V4L2_OUTPUT_TYPE_ANALOG 2 783 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 784 785 /* 786 * C O N T R O L S 787 */ 788 struct v4l2_control 789 { 790 __u32 id; 791 __s32 value; 792 }; 793 794 struct v4l2_ext_control 795 { 796 __u32 id; 797 __u32 reserved2[2]; 798 union { 799 __s32 value; 800 __s64 value64; 801 void *reserved; 802 }; 803 } __attribute__ ((packed)); 804 805 struct v4l2_ext_controls 806 { 807 __u32 ctrl_class; 808 __u32 count; 809 __u32 error_idx; 810 __u32 reserved[2]; 811 struct v4l2_ext_control *controls; 812 }; 813 814 /* Values for ctrl_class field */ 815 #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */ 816 #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */ 817 818 #define V4L2_CTRL_ID_MASK (0x0fffffff) 819 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 820 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 821 822 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 823 struct v4l2_queryctrl 824 { 825 __u32 id; 826 enum v4l2_ctrl_type type; 827 __u8 name[32]; /* Whatever */ 828 __s32 minimum; /* Note signedness */ 829 __s32 maximum; 830 __s32 step; 831 __s32 default_value; 832 __u32 flags; 833 __u32 reserved[2]; 834 }; 835 836 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 837 struct v4l2_querymenu 838 { 839 __u32 id; 840 __u32 index; 841 __u8 name[32]; /* Whatever */ 842 __u32 reserved; 843 }; 844 845 /* Control flags */ 846 #define V4L2_CTRL_FLAG_DISABLED 0x0001 847 #define V4L2_CTRL_FLAG_GRABBED 0x0002 848 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 849 #define V4L2_CTRL_FLAG_UPDATE 0x0008 850 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 851 #define V4L2_CTRL_FLAG_SLIDER 0x0020 852 853 /* Query flag, to be ORed with the control ID */ 854 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 855 856 /* User-class control IDs defined by V4L2 */ 857 #define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900) 858 #define V4L2_CID_USER_BASE V4L2_CID_BASE 859 /* IDs reserved for driver specific controls */ 860 #define V4L2_CID_PRIVATE_BASE 0x08000000 861 862 #define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1) 863 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) 864 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) 865 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) 866 #define V4L2_CID_HUE (V4L2_CID_BASE+3) 867 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) 868 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) 869 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) 870 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) 871 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) 872 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) 873 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) 874 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) 875 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) 876 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) 877 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) 878 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) 879 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ 880 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) 881 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) 882 #define V4L2_CID_GAIN (V4L2_CID_BASE+19) 883 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) 884 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) 885 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) 886 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) 887 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ 888 889 /* MPEG-class control IDs defined by V4L2 */ 890 #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900) 891 #define V4L2_CID_MPEG_CLASS (V4L2_CTRL_CLASS_MPEG | 1) 892 893 /* MPEG streams */ 894 #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_MPEG_BASE+0) 895 enum v4l2_mpeg_stream_type { 896 V4L2_MPEG_STREAM_TYPE_MPEG2_PS = 0, /* MPEG-2 program stream */ 897 V4L2_MPEG_STREAM_TYPE_MPEG2_TS = 1, /* MPEG-2 transport stream */ 898 V4L2_MPEG_STREAM_TYPE_MPEG1_SS = 2, /* MPEG-1 system stream */ 899 V4L2_MPEG_STREAM_TYPE_MPEG2_DVD = 3, /* MPEG-2 DVD-compatible stream */ 900 V4L2_MPEG_STREAM_TYPE_MPEG1_VCD = 4, /* MPEG-1 VCD-compatible stream */ 901 V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */ 902 }; 903 #define V4L2_CID_MPEG_STREAM_PID_PMT (V4L2_CID_MPEG_BASE+1) 904 #define V4L2_CID_MPEG_STREAM_PID_AUDIO (V4L2_CID_MPEG_BASE+2) 905 #define V4L2_CID_MPEG_STREAM_PID_VIDEO (V4L2_CID_MPEG_BASE+3) 906 #define V4L2_CID_MPEG_STREAM_PID_PCR (V4L2_CID_MPEG_BASE+4) 907 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (V4L2_CID_MPEG_BASE+5) 908 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (V4L2_CID_MPEG_BASE+6) 909 #define V4L2_CID_MPEG_STREAM_VBI_FMT (V4L2_CID_MPEG_BASE+7) 910 enum v4l2_mpeg_stream_vbi_fmt { 911 V4L2_MPEG_STREAM_VBI_FMT_NONE = 0, /* No VBI in the MPEG stream */ 912 V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1, /* VBI in private packets, IVTV format */ 913 }; 914 915 /* MPEG audio */ 916 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ (V4L2_CID_MPEG_BASE+100) 917 enum v4l2_mpeg_audio_sampling_freq { 918 V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0, 919 V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1, 920 V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2, 921 }; 922 #define V4L2_CID_MPEG_AUDIO_ENCODING (V4L2_CID_MPEG_BASE+101) 923 enum v4l2_mpeg_audio_encoding { 924 V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0, 925 V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1, 926 V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2, 927 }; 928 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102) 929 enum v4l2_mpeg_audio_l1_bitrate { 930 V4L2_MPEG_AUDIO_L1_BITRATE_32K = 0, 931 V4L2_MPEG_AUDIO_L1_BITRATE_64K = 1, 932 V4L2_MPEG_AUDIO_L1_BITRATE_96K = 2, 933 V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3, 934 V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4, 935 V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5, 936 V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6, 937 V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7, 938 V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8, 939 V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9, 940 V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10, 941 V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11, 942 V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12, 943 V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13, 944 }; 945 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE (V4L2_CID_MPEG_BASE+103) 946 enum v4l2_mpeg_audio_l2_bitrate { 947 V4L2_MPEG_AUDIO_L2_BITRATE_32K = 0, 948 V4L2_MPEG_AUDIO_L2_BITRATE_48K = 1, 949 V4L2_MPEG_AUDIO_L2_BITRATE_56K = 2, 950 V4L2_MPEG_AUDIO_L2_BITRATE_64K = 3, 951 V4L2_MPEG_AUDIO_L2_BITRATE_80K = 4, 952 V4L2_MPEG_AUDIO_L2_BITRATE_96K = 5, 953 V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6, 954 V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7, 955 V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8, 956 V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9, 957 V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10, 958 V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11, 959 V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12, 960 V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13, 961 }; 962 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE (V4L2_CID_MPEG_BASE+104) 963 enum v4l2_mpeg_audio_l3_bitrate { 964 V4L2_MPEG_AUDIO_L3_BITRATE_32K = 0, 965 V4L2_MPEG_AUDIO_L3_BITRATE_40K = 1, 966 V4L2_MPEG_AUDIO_L3_BITRATE_48K = 2, 967 V4L2_MPEG_AUDIO_L3_BITRATE_56K = 3, 968 V4L2_MPEG_AUDIO_L3_BITRATE_64K = 4, 969 V4L2_MPEG_AUDIO_L3_BITRATE_80K = 5, 970 V4L2_MPEG_AUDIO_L3_BITRATE_96K = 6, 971 V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7, 972 V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8, 973 V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9, 974 V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10, 975 V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11, 976 V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12, 977 V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13, 978 }; 979 #define V4L2_CID_MPEG_AUDIO_MODE (V4L2_CID_MPEG_BASE+105) 980 enum v4l2_mpeg_audio_mode { 981 V4L2_MPEG_AUDIO_MODE_STEREO = 0, 982 V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1, 983 V4L2_MPEG_AUDIO_MODE_DUAL = 2, 984 V4L2_MPEG_AUDIO_MODE_MONO = 3, 985 }; 986 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION (V4L2_CID_MPEG_BASE+106) 987 enum v4l2_mpeg_audio_mode_extension { 988 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4 = 0, 989 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8 = 1, 990 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2, 991 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3, 992 }; 993 #define V4L2_CID_MPEG_AUDIO_EMPHASIS (V4L2_CID_MPEG_BASE+107) 994 enum v4l2_mpeg_audio_emphasis { 995 V4L2_MPEG_AUDIO_EMPHASIS_NONE = 0, 996 V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1, 997 V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17 = 2, 998 }; 999 #define V4L2_CID_MPEG_AUDIO_CRC (V4L2_CID_MPEG_BASE+108) 1000 enum v4l2_mpeg_audio_crc { 1001 V4L2_MPEG_AUDIO_CRC_NONE = 0, 1002 V4L2_MPEG_AUDIO_CRC_CRC16 = 1, 1003 }; 1004 1005 /* MPEG video */ 1006 #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200) 1007 enum v4l2_mpeg_video_encoding { 1008 V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, 1009 V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1, 1010 }; 1011 #define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201) 1012 enum v4l2_mpeg_video_aspect { 1013 V4L2_MPEG_VIDEO_ASPECT_1x1 = 0, 1014 V4L2_MPEG_VIDEO_ASPECT_4x3 = 1, 1015 V4L2_MPEG_VIDEO_ASPECT_16x9 = 2, 1016 V4L2_MPEG_VIDEO_ASPECT_221x100 = 3, 1017 }; 1018 #define V4L2_CID_MPEG_VIDEO_B_FRAMES (V4L2_CID_MPEG_BASE+202) 1019 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE (V4L2_CID_MPEG_BASE+203) 1020 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (V4L2_CID_MPEG_BASE+204) 1021 #define V4L2_CID_MPEG_VIDEO_PULLDOWN (V4L2_CID_MPEG_BASE+205) 1022 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE (V4L2_CID_MPEG_BASE+206) 1023 enum v4l2_mpeg_video_bitrate_mode { 1024 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0, 1025 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1, 1026 }; 1027 #define V4L2_CID_MPEG_VIDEO_BITRATE (V4L2_CID_MPEG_BASE+207) 1028 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (V4L2_CID_MPEG_BASE+208) 1029 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209) 1030 1031 /* MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */ 1032 #define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000) 1033 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0) 1034 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode { 1035 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0, 1036 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO = 1, 1037 }; 1038 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+1) 1039 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+2) 1040 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type { 1041 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF = 0, 1042 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR = 1, 1043 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT = 2, 1044 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE = 3, 1045 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4, 1046 }; 1047 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+3) 1048 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type { 1049 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF = 0, 1050 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1, 1051 }; 1052 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+4) 1053 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode { 1054 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0, 1055 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO = 1, 1056 }; 1057 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (V4L2_CID_MPEG_CX2341X_BASE+5) 1058 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE (V4L2_CID_MPEG_CX2341X_BASE+6) 1059 enum v4l2_mpeg_cx2341x_video_median_filter_type { 1060 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF = 0, 1061 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR = 1, 1062 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT = 2, 1063 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3, 1064 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG = 4, 1065 }; 1066 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+7) 1067 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+8) 1068 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (V4L2_CID_MPEG_CX2341X_BASE+9) 1069 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (V4L2_CID_MPEG_CX2341X_BASE+10) 1070 1071 /* 1072 * T U N I N G 1073 */ 1074 struct v4l2_tuner 1075 { 1076 __u32 index; 1077 __u8 name[32]; 1078 enum v4l2_tuner_type type; 1079 __u32 capability; 1080 __u32 rangelow; 1081 __u32 rangehigh; 1082 __u32 rxsubchans; 1083 __u32 audmode; 1084 __s32 signal; 1085 __s32 afc; 1086 __u32 reserved[4]; 1087 }; 1088 1089 struct v4l2_modulator 1090 { 1091 __u32 index; 1092 __u8 name[32]; 1093 __u32 capability; 1094 __u32 rangelow; 1095 __u32 rangehigh; 1096 __u32 txsubchans; 1097 __u32 reserved[4]; 1098 }; 1099 1100 /* Flags for the 'capability' field */ 1101 #define V4L2_TUNER_CAP_LOW 0x0001 1102 #define V4L2_TUNER_CAP_NORM 0x0002 1103 #define V4L2_TUNER_CAP_STEREO 0x0010 1104 #define V4L2_TUNER_CAP_LANG2 0x0020 1105 #define V4L2_TUNER_CAP_SAP 0x0020 1106 #define V4L2_TUNER_CAP_LANG1 0x0040 1107 1108 /* Flags for the 'rxsubchans' field */ 1109 #define V4L2_TUNER_SUB_MONO 0x0001 1110 #define V4L2_TUNER_SUB_STEREO 0x0002 1111 #define V4L2_TUNER_SUB_LANG2 0x0004 1112 #define V4L2_TUNER_SUB_SAP 0x0004 1113 #define V4L2_TUNER_SUB_LANG1 0x0008 1114 1115 /* Values for the 'audmode' field */ 1116 #define V4L2_TUNER_MODE_MONO 0x0000 1117 #define V4L2_TUNER_MODE_STEREO 0x0001 1118 #define V4L2_TUNER_MODE_LANG2 0x0002 1119 #define V4L2_TUNER_MODE_SAP 0x0002 1120 #define V4L2_TUNER_MODE_LANG1 0x0003 1121 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1122 1123 struct v4l2_frequency 1124 { 1125 __u32 tuner; 1126 enum v4l2_tuner_type type; 1127 __u32 frequency; 1128 __u32 reserved[8]; 1129 }; 1130 1131 /* 1132 * A U D I O 1133 */ 1134 struct v4l2_audio 1135 { 1136 __u32 index; 1137 __u8 name[32]; 1138 __u32 capability; 1139 __u32 mode; 1140 __u32 reserved[2]; 1141 }; 1142 1143 /* Flags for the 'capability' field */ 1144 #define V4L2_AUDCAP_STEREO 0x00001 1145 #define V4L2_AUDCAP_AVL 0x00002 1146 1147 /* Flags for the 'mode' field */ 1148 #define V4L2_AUDMODE_AVL 0x00001 1149 1150 struct v4l2_audioout 1151 { 1152 __u32 index; 1153 __u8 name[32]; 1154 __u32 capability; 1155 __u32 mode; 1156 __u32 reserved[2]; 1157 }; 1158 1159 /* 1160 * D A T A S E R V I C E S ( V B I ) 1161 * 1162 * Data services API by Michael Schimek 1163 */ 1164 1165 /* Raw VBI */ 1166 struct v4l2_vbi_format 1167 { 1168 __u32 sampling_rate; /* in 1 Hz */ 1169 __u32 offset; 1170 __u32 samples_per_line; 1171 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1172 __s32 start[2]; 1173 __u32 count[2]; 1174 __u32 flags; /* V4L2_VBI_* */ 1175 __u32 reserved[2]; /* must be zero */ 1176 }; 1177 1178 /* VBI flags */ 1179 #define V4L2_VBI_UNSYNC (1<< 0) 1180 #define V4L2_VBI_INTERLACED (1<< 1) 1181 1182 #if 1 1183 /* Sliced VBI 1184 * 1185 * This implements is a proposal V4L2 API to allow SLICED VBI 1186 * required for some hardware encoders. It should change without 1187 * notice in the definitive implementation. 1188 */ 1189 1190 struct v4l2_sliced_vbi_format 1191 { 1192 __u16 service_set; 1193 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1194 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1195 (equals frame lines 313-336 for 625 line video 1196 standards, 263-286 for 525 line standards) */ 1197 __u16 service_lines[2][24]; 1198 __u32 io_size; 1199 __u32 reserved[2]; /* must be zero */ 1200 }; 1201 1202 /* Teletext World System Teletext 1203 (WST), defined on ITU-R BT.653-2 */ 1204 #define V4L2_SLICED_TELETEXT_B (0x0001) 1205 /* Video Program System, defined on ETS 300 231*/ 1206 #define V4L2_SLICED_VPS (0x0400) 1207 /* Closed Caption, defined on EIA-608 */ 1208 #define V4L2_SLICED_CAPTION_525 (0x1000) 1209 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1210 #define V4L2_SLICED_WSS_625 (0x4000) 1211 1212 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1213 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1214 1215 1216 struct v4l2_sliced_vbi_cap 1217 { 1218 __u16 service_set; 1219 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1220 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1221 (equals frame lines 313-336 for 625 line video 1222 standards, 263-286 for 525 line standards) */ 1223 __u16 service_lines[2][24]; 1224 enum v4l2_buf_type type; 1225 __u32 reserved[3]; /* must be 0 */ 1226 }; 1227 1228 struct v4l2_sliced_vbi_data 1229 { 1230 __u32 id; 1231 __u32 field; /* 0: first field, 1: second field */ 1232 __u32 line; /* 1-23 */ 1233 __u32 reserved; /* must be 0 */ 1234 __u8 data[48]; 1235 }; 1236 #endif 1237 1238 /* 1239 * A G G R E G A T E S T R U C T U R E S 1240 */ 1241 1242 /* Stream data format 1243 */ 1244 struct v4l2_format 1245 { 1246 enum v4l2_buf_type type; 1247 union 1248 { 1249 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE 1250 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY 1251 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE 1252 #if 1 1253 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE 1254 #endif 1255 __u8 raw_data[200]; // user-defined 1256 } fmt; 1257 }; 1258 1259 1260 /* Stream type-dependent parameters 1261 */ 1262 struct v4l2_streamparm 1263 { 1264 enum v4l2_buf_type type; 1265 union 1266 { 1267 struct v4l2_captureparm capture; 1268 struct v4l2_outputparm output; 1269 __u8 raw_data[200]; /* user-defined */ 1270 } parm; 1271 }; 1272 1273 /* 1274 * 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 1275 * 1276 */ 1277 #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) 1278 #define VIDIOC_RESERVED _IO ('V', 1) 1279 #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) 1280 #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) 1281 #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) 1282 #ifdef __KERNEL__ 1283 #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) 1284 #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) 1285 #endif 1286 #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) 1287 #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) 1288 #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) 1289 #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) 1290 #define VIDIOC_OVERLAY _IOW ('V', 14, int) 1291 #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) 1292 #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) 1293 #define VIDIOC_STREAMON _IOW ('V', 18, int) 1294 #define VIDIOC_STREAMOFF _IOW ('V', 19, int) 1295 #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) 1296 #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) 1297 #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) 1298 #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) 1299 #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) 1300 #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) 1301 #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) 1302 #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) 1303 #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) 1304 #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) 1305 #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) 1306 #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) 1307 #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) 1308 #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) 1309 #define VIDIOC_G_INPUT _IOR ('V', 38, int) 1310 #define VIDIOC_S_INPUT _IOWR ('V', 39, int) 1311 #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) 1312 #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) 1313 #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) 1314 #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) 1315 #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) 1316 #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) 1317 #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) 1318 #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) 1319 #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) 1320 #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) 1321 #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) 1322 #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) 1323 #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) 1324 #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) 1325 #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) 1326 #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) 1327 #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) 1328 #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) 1329 #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) 1330 #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) 1331 #if 1 1332 #define VIDIOC_G_SLICED_VBI_CAP _IOWR ('V', 69, struct v4l2_sliced_vbi_cap) 1333 #endif 1334 #define VIDIOC_LOG_STATUS _IO ('V', 70) 1335 #define VIDIOC_G_EXT_CTRLS _IOWR ('V', 71, struct v4l2_ext_controls) 1336 #define VIDIOC_S_EXT_CTRLS _IOWR ('V', 72, struct v4l2_ext_controls) 1337 #define VIDIOC_TRY_EXT_CTRLS _IOWR ('V', 73, struct v4l2_ext_controls) 1338 #if 1 1339 #define VIDIOC_ENUM_FRAMESIZES _IOWR ('V', 74, struct v4l2_frmsizeenum) 1340 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR ('V', 75, struct v4l2_frmivalenum) 1341 #endif 1342 1343 #ifdef __OLD_VIDIOC_ 1344 /* for compatibility, will go away some day */ 1345 #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) 1346 #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) 1347 #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) 1348 #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) 1349 #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) 1350 #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) 1351 #endif 1352 1353 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 1354 1355 #endif /* __LINUX_VIDEODEV2_H */ 1356 1357 /* 1358 * Local variables: 1359 * c-basic-offset: 8 1360 * End: 1361 */ 1362