1 #ifndef __LINUX_VIDEODEV2_H 2 #define __LINUX_VIDEODEV2_H 3 /* 4 * Video for Linux Two 5 * 6 * Header file for v4l or V4L2 drivers and applications, for 7 * Linux kernels 2.2.x or 2.4.x. 8 * 9 * See http://bytesex.org/v4l/ for API specs and other 10 * v4l2 documentation. 11 * 12 * Author: Bill Dirks <[email protected]> 13 * Justin Schoeman 14 * et al. 15 */ 16 #ifdef __KERNEL__ 17 #include <linux/time.h> /* need struct timeval */ 18 #endif 19 #include <linux/compiler.h> /* need __user */ 20 21 /* 22 * M I S C E L L A N E O U S 23 */ 24 25 /* Four-character-code (FOURCC) */ 26 #define v4l2_fourcc(a,b,c,d)\ 27 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) 28 29 /* 30 * E N U M S 31 */ 32 enum v4l2_field { 33 V4L2_FIELD_ANY = 0, /* driver can choose from none, 34 top, bottom, interlaced 35 depending on whatever it thinks 36 is approximate ... */ 37 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 38 V4L2_FIELD_TOP = 2, /* top field only */ 39 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 40 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 41 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 42 buffer, top-bottom order */ 43 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 44 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 45 separate buffers */ 46 }; 47 #define V4L2_FIELD_HAS_TOP(field) \ 48 ((field) == V4L2_FIELD_TOP ||\ 49 (field) == V4L2_FIELD_INTERLACED ||\ 50 (field) == V4L2_FIELD_SEQ_TB ||\ 51 (field) == V4L2_FIELD_SEQ_BT) 52 #define V4L2_FIELD_HAS_BOTTOM(field) \ 53 ((field) == V4L2_FIELD_BOTTOM ||\ 54 (field) == V4L2_FIELD_INTERLACED ||\ 55 (field) == V4L2_FIELD_SEQ_TB ||\ 56 (field) == V4L2_FIELD_SEQ_BT) 57 #define V4L2_FIELD_HAS_BOTH(field) \ 58 ((field) == V4L2_FIELD_INTERLACED ||\ 59 (field) == V4L2_FIELD_SEQ_TB ||\ 60 (field) == V4L2_FIELD_SEQ_BT) 61 62 enum v4l2_buf_type { 63 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 64 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 65 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 66 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 67 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 68 #if 1 69 /* Experimental Sliced VBI */ 70 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 71 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 72 #endif 73 V4L2_BUF_TYPE_PRIVATE = 0x80, 74 }; 75 76 enum v4l2_ctrl_type { 77 V4L2_CTRL_TYPE_INTEGER = 1, 78 V4L2_CTRL_TYPE_BOOLEAN = 2, 79 V4L2_CTRL_TYPE_MENU = 3, 80 V4L2_CTRL_TYPE_BUTTON = 4, 81 }; 82 83 enum v4l2_tuner_type { 84 V4L2_TUNER_RADIO = 1, 85 V4L2_TUNER_ANALOG_TV = 2, 86 V4L2_TUNER_DIGITAL_TV = 3, 87 }; 88 89 enum v4l2_memory { 90 V4L2_MEMORY_MMAP = 1, 91 V4L2_MEMORY_USERPTR = 2, 92 V4L2_MEMORY_OVERLAY = 3, 93 }; 94 95 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 96 enum v4l2_colorspace { 97 /* ITU-R 601 -- broadcast NTSC/PAL */ 98 V4L2_COLORSPACE_SMPTE170M = 1, 99 100 /* 1125-Line (US) HDTV */ 101 V4L2_COLORSPACE_SMPTE240M = 2, 102 103 /* HD and modern captures. */ 104 V4L2_COLORSPACE_REC709 = 3, 105 106 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 107 V4L2_COLORSPACE_BT878 = 4, 108 109 /* These should be useful. Assume 601 extents. */ 110 V4L2_COLORSPACE_470_SYSTEM_M = 5, 111 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 112 113 /* I know there will be cameras that send this. So, this is 114 * unspecified chromaticities and full 0-255 on each of the 115 * Y'CbCr components 116 */ 117 V4L2_COLORSPACE_JPEG = 7, 118 119 /* For RGB colourspaces, this is probably a good start. */ 120 V4L2_COLORSPACE_SRGB = 8, 121 }; 122 123 enum v4l2_priority { 124 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 125 V4L2_PRIORITY_BACKGROUND = 1, 126 V4L2_PRIORITY_INTERACTIVE = 2, 127 V4L2_PRIORITY_RECORD = 3, 128 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 129 }; 130 131 struct v4l2_rect { 132 __s32 left; 133 __s32 top; 134 __s32 width; 135 __s32 height; 136 }; 137 138 struct v4l2_fract { 139 __u32 numerator; 140 __u32 denominator; 141 }; 142 143 /* 144 * D R I V E R C A P A B I L I T I E S 145 */ 146 struct v4l2_capability 147 { 148 __u8 driver[16]; /* i.e. "bttv" */ 149 __u8 card[32]; /* i.e. "Hauppauge WinTV" */ 150 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ 151 __u32 version; /* should use KERNEL_VERSION() */ 152 __u32 capabilities; /* Device capabilities */ 153 __u32 reserved[4]; 154 }; 155 156 /* Values for 'capabilities' field */ 157 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 158 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 159 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 160 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 161 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 162 #if 1 163 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 164 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 165 #endif 166 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 167 168 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 169 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 170 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 171 172 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 173 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 174 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 175 176 /* 177 * V I D E O I M A G E F O R M A T 178 */ 179 180 struct v4l2_pix_format 181 { 182 __u32 width; 183 __u32 height; 184 __u32 pixelformat; 185 enum v4l2_field field; 186 __u32 bytesperline; /* for padding, zero if unused */ 187 __u32 sizeimage; 188 enum v4l2_colorspace colorspace; 189 __u32 priv; /* private data, depends on pixelformat */ 190 }; 191 192 /* Pixel format FOURCC depth Description */ 193 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ 194 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ 195 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ 196 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ 197 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ 198 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ 199 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ 200 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ 201 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ 202 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ 203 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ 204 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ 205 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ 206 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ 207 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ 208 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ 209 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ 210 211 /* two planes -- one Y, one Cr + Cb interleaved */ 212 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ 213 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ 214 215 /* The following formats are not defined in the V4L2 specification */ 216 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ 217 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ 218 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ 219 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ 220 221 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ 222 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ 223 224 /* compressed formats */ 225 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ 226 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ 227 #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ 228 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ 229 230 /* Vendor-specific formats */ 231 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ 232 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ 233 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ 234 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ 235 236 /* 237 * F O R M A T E N U M E R A T I O N 238 */ 239 struct v4l2_fmtdesc 240 { 241 __u32 index; /* Format number */ 242 enum v4l2_buf_type type; /* buffer type */ 243 __u32 flags; 244 __u8 description[32]; /* Description string */ 245 __u32 pixelformat; /* Format fourcc */ 246 __u32 reserved[4]; 247 }; 248 249 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 250 251 252 /* 253 * T I M E C O D E 254 */ 255 struct v4l2_timecode 256 { 257 __u32 type; 258 __u32 flags; 259 __u8 frames; 260 __u8 seconds; 261 __u8 minutes; 262 __u8 hours; 263 __u8 userbits[4]; 264 }; 265 266 /* Type */ 267 #define V4L2_TC_TYPE_24FPS 1 268 #define V4L2_TC_TYPE_25FPS 2 269 #define V4L2_TC_TYPE_30FPS 3 270 #define V4L2_TC_TYPE_50FPS 4 271 #define V4L2_TC_TYPE_60FPS 5 272 273 /* Flags */ 274 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 275 #define V4L2_TC_FLAG_COLORFRAME 0x0002 276 #define V4L2_TC_USERBITS_field 0x000C 277 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 278 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 279 /* The above is based on SMPTE timecodes */ 280 281 282 /* 283 * 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 284 * 285 * ### WARNING: this is still work-in-progress right now, most likely 286 * ### there will be some incompatible changes. 287 * 288 */ 289 290 291 enum v4l2_bitrate_mode { 292 V4L2_BITRATE_NONE = 0, /* not specified */ 293 V4L2_BITRATE_CBR, /* constant bitrate */ 294 V4L2_BITRATE_VBR, /* variable bitrate */ 295 }; 296 struct v4l2_bitrate { 297 /* rates are specified in kbit/sec */ 298 enum v4l2_bitrate_mode mode; 299 __u32 min; 300 __u32 target; /* use this one for CBR */ 301 __u32 max; 302 }; 303 304 enum v4l2_mpeg_streamtype { 305 V4L2_MPEG_SS_1, /* MPEG-1 system stream */ 306 V4L2_MPEG_PS_2, /* MPEG-2 program stream */ 307 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ 308 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ 309 }; 310 enum v4l2_mpeg_audiotype { 311 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ 312 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ 313 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ 314 V4L2_MPEG_AC3, /* AC3 */ 315 V4L2_MPEG_LPCM, /* LPCM */ 316 }; 317 enum v4l2_mpeg_videotype { 318 V4L2_MPEG_VI_1, /* MPEG-1 */ 319 V4L2_MPEG_VI_2, /* MPEG-2 */ 320 }; 321 enum v4l2_mpeg_aspectratio { 322 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ 323 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ 324 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ 325 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ 326 }; 327 328 struct v4l2_mpeg_compression { 329 /* general */ 330 enum v4l2_mpeg_streamtype st_type; 331 struct v4l2_bitrate st_bitrate; 332 333 /* transport streams */ 334 __u16 ts_pid_pmt; 335 __u16 ts_pid_audio; 336 __u16 ts_pid_video; 337 __u16 ts_pid_pcr; 338 339 /* program stream */ 340 __u16 ps_size; 341 __u16 reserved_1; /* align */ 342 343 /* audio */ 344 enum v4l2_mpeg_audiotype au_type; 345 struct v4l2_bitrate au_bitrate; 346 __u32 au_sample_rate; 347 __u8 au_pesid; 348 __u8 reserved_2[3]; /* align */ 349 350 /* video */ 351 enum v4l2_mpeg_videotype vi_type; 352 enum v4l2_mpeg_aspectratio vi_aspect_ratio; 353 struct v4l2_bitrate vi_bitrate; 354 __u32 vi_frame_rate; 355 __u16 vi_frames_per_gop; 356 __u16 vi_bframes_count; 357 __u8 vi_pesid; 358 __u8 reserved_3[3]; /* align */ 359 360 /* misc flags */ 361 __u32 closed_gops:1; 362 __u32 pulldown:1; 363 __u32 reserved_4:30; /* align */ 364 365 /* I don't expect the above being perfect yet ;) */ 366 __u32 reserved_5[8]; 367 }; 368 369 struct v4l2_jpegcompression 370 { 371 int quality; 372 373 int APPn; /* Number of APP segment to be written, 374 * must be 0..15 */ 375 int APP_len; /* Length of data in JPEG APPn segment */ 376 char APP_data[60]; /* Data in the JPEG APPn segment. */ 377 378 int COM_len; /* Length of data in JPEG COM segment */ 379 char COM_data[60]; /* Data in JPEG COM segment */ 380 381 __u32 jpeg_markers; /* Which markers should go into the JPEG 382 * output. Unless you exactly know what 383 * you do, leave them untouched. 384 * Inluding less markers will make the 385 * resulting code smaller, but there will 386 * be fewer aplications which can read it. 387 * The presence of the APP and COM marker 388 * is influenced by APP_len and COM_len 389 * ONLY, not by this property! */ 390 391 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 392 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 393 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 394 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 395 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 396 * allways use APP0 */ 397 }; 398 399 400 /* 401 * M E M O R Y - M A P P I N G B U F F E R S 402 */ 403 struct v4l2_requestbuffers 404 { 405 __u32 count; 406 enum v4l2_buf_type type; 407 enum v4l2_memory memory; 408 __u32 reserved[2]; 409 }; 410 411 struct v4l2_buffer 412 { 413 __u32 index; 414 enum v4l2_buf_type type; 415 __u32 bytesused; 416 __u32 flags; 417 enum v4l2_field field; 418 struct timeval timestamp; 419 struct v4l2_timecode timecode; 420 __u32 sequence; 421 422 /* memory location */ 423 enum v4l2_memory memory; 424 union { 425 __u32 offset; 426 unsigned long userptr; 427 } m; 428 __u32 length; 429 __u32 input; 430 __u32 reserved; 431 }; 432 433 /* Flags for 'flags' field */ 434 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 435 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 436 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 437 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 438 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 439 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 440 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 441 #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ 442 443 /* 444 * O V E R L A Y P R E V I E W 445 */ 446 struct v4l2_framebuffer 447 { 448 __u32 capability; 449 __u32 flags; 450 /* FIXME: in theory we should pass something like PCI device + memory 451 * region + offset instead of some physical address */ 452 void* base; 453 struct v4l2_pix_format fmt; 454 }; 455 /* Flags for the 'capability' field. Read only */ 456 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 457 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 458 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 459 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 460 /* Flags for the 'flags' field. */ 461 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 462 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 463 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 464 465 struct v4l2_clip 466 { 467 struct v4l2_rect c; 468 struct v4l2_clip *next; 469 }; 470 471 struct v4l2_window 472 { 473 struct v4l2_rect w; 474 enum v4l2_field field; 475 __u32 chromakey; 476 struct v4l2_clip __user *clips; 477 __u32 clipcount; 478 void __user *bitmap; 479 }; 480 481 482 /* 483 * C A P T U R E P A R A M E T E R S 484 */ 485 struct v4l2_captureparm 486 { 487 __u32 capability; /* Supported modes */ 488 __u32 capturemode; /* Current mode */ 489 struct v4l2_fract timeperframe; /* Time per frame in .1us units */ 490 __u32 extendedmode; /* Driver-specific extensions */ 491 __u32 readbuffers; /* # of buffers for read */ 492 __u32 reserved[4]; 493 }; 494 /* Flags for 'capability' and 'capturemode' fields */ 495 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 496 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 497 498 struct v4l2_outputparm 499 { 500 __u32 capability; /* Supported modes */ 501 __u32 outputmode; /* Current mode */ 502 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 503 __u32 extendedmode; /* Driver-specific extensions */ 504 __u32 writebuffers; /* # of buffers for write */ 505 __u32 reserved[4]; 506 }; 507 508 /* 509 * I N P U T I M A G E C R O P P I N G 510 */ 511 512 struct v4l2_cropcap { 513 enum v4l2_buf_type type; 514 struct v4l2_rect bounds; 515 struct v4l2_rect defrect; 516 struct v4l2_fract pixelaspect; 517 }; 518 519 struct v4l2_crop { 520 enum v4l2_buf_type type; 521 struct v4l2_rect c; 522 }; 523 524 /* 525 * A N A L O G V I D E O S T A N D A R D 526 */ 527 528 typedef __u64 v4l2_std_id; 529 530 /* one bit for each */ 531 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 532 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 533 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 534 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 535 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 536 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 537 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 538 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 539 540 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 541 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 542 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 543 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 544 545 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) 546 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) 547 548 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 549 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 550 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 551 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 552 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 553 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 554 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 555 556 /* ATSC/HDTV */ 557 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 558 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 559 560 /* some common needed stuff */ 561 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 562 V4L2_STD_PAL_B1 |\ 563 V4L2_STD_PAL_G) 564 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 565 V4L2_STD_PAL_D1 |\ 566 V4L2_STD_PAL_K) 567 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 568 V4L2_STD_PAL_DK |\ 569 V4L2_STD_PAL_H |\ 570 V4L2_STD_PAL_I) 571 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 572 V4L2_STD_NTSC_M_JP) 573 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 574 V4L2_STD_SECAM_K |\ 575 V4L2_STD_SECAM_K1) 576 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 577 V4L2_STD_SECAM_G |\ 578 V4L2_STD_SECAM_H |\ 579 V4L2_STD_SECAM_DK |\ 580 V4L2_STD_SECAM_L) 581 582 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 583 V4L2_STD_PAL_60 |\ 584 V4L2_STD_NTSC) 585 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 586 V4L2_STD_PAL_N |\ 587 V4L2_STD_PAL_Nc |\ 588 V4L2_STD_SECAM) 589 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 590 V4L2_STD_ATSC_16_VSB) 591 592 #define V4L2_STD_UNKNOWN 0 593 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 594 V4L2_STD_625_50) 595 596 struct v4l2_standard 597 { 598 __u32 index; 599 v4l2_std_id id; 600 __u8 name[24]; 601 struct v4l2_fract frameperiod; /* Frames, not fields */ 602 __u32 framelines; 603 __u32 reserved[4]; 604 }; 605 606 607 /* 608 * V I D E O I N P U T S 609 */ 610 struct v4l2_input 611 { 612 __u32 index; /* Which input */ 613 __u8 name[32]; /* Label */ 614 __u32 type; /* Type of input */ 615 __u32 audioset; /* Associated audios (bitfield) */ 616 __u32 tuner; /* Associated tuner */ 617 v4l2_std_id std; 618 __u32 status; 619 __u32 reserved[4]; 620 }; 621 /* Values for the 'type' field */ 622 #define V4L2_INPUT_TYPE_TUNER 1 623 #define V4L2_INPUT_TYPE_CAMERA 2 624 625 /* field 'status' - general */ 626 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 627 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 628 #define V4L2_IN_ST_NO_COLOR 0x00000004 629 630 /* field 'status' - analog */ 631 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 632 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 633 634 /* field 'status' - digital */ 635 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 636 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 637 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 638 639 /* field 'status' - VCR and set-top box */ 640 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 641 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 642 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 643 644 /* 645 * V I D E O O U T P U T S 646 */ 647 struct v4l2_output 648 { 649 __u32 index; /* Which output */ 650 __u8 name[32]; /* Label */ 651 __u32 type; /* Type of output */ 652 __u32 audioset; /* Associated audios (bitfield) */ 653 __u32 modulator; /* Associated modulator */ 654 v4l2_std_id std; 655 __u32 reserved[4]; 656 }; 657 /* Values for the 'type' field */ 658 #define V4L2_OUTPUT_TYPE_MODULATOR 1 659 #define V4L2_OUTPUT_TYPE_ANALOG 2 660 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 661 662 /* 663 * C O N T R O L S 664 */ 665 struct v4l2_control 666 { 667 __u32 id; 668 __s32 value; 669 }; 670 671 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 672 struct v4l2_queryctrl 673 { 674 __u32 id; 675 enum v4l2_ctrl_type type; 676 __u8 name[32]; /* Whatever */ 677 __s32 minimum; /* Note signedness */ 678 __s32 maximum; 679 __s32 step; 680 __s32 default_value; 681 __u32 flags; 682 __u32 reserved[2]; 683 }; 684 685 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 686 struct v4l2_querymenu 687 { 688 __u32 id; 689 __u32 index; 690 __u8 name[32]; /* Whatever */ 691 __u32 reserved; 692 }; 693 694 /* Control flags */ 695 #define V4L2_CTRL_FLAG_DISABLED 0x0001 696 #define V4L2_CTRL_FLAG_GRABBED 0x0002 697 698 /* Control IDs defined by V4L2 */ 699 #define V4L2_CID_BASE 0x00980900 700 /* IDs reserved for driver specific controls */ 701 #define V4L2_CID_PRIVATE_BASE 0x08000000 702 703 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) 704 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) 705 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) 706 #define V4L2_CID_HUE (V4L2_CID_BASE+3) 707 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) 708 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) 709 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) 710 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) 711 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) 712 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) 713 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) 714 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) 715 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) 716 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) 717 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) 718 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) 719 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ 720 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) 721 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) 722 #define V4L2_CID_GAIN (V4L2_CID_BASE+19) 723 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) 724 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) 725 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) 726 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) 727 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ 728 729 /* 730 * T U N I N G 731 */ 732 struct v4l2_tuner 733 { 734 __u32 index; 735 __u8 name[32]; 736 enum v4l2_tuner_type type; 737 __u32 capability; 738 __u32 rangelow; 739 __u32 rangehigh; 740 __u32 rxsubchans; 741 __u32 audmode; 742 __s32 signal; 743 __s32 afc; 744 __u32 reserved[4]; 745 }; 746 747 struct v4l2_modulator 748 { 749 __u32 index; 750 __u8 name[32]; 751 __u32 capability; 752 __u32 rangelow; 753 __u32 rangehigh; 754 __u32 txsubchans; 755 __u32 reserved[4]; 756 }; 757 758 /* Flags for the 'capability' field */ 759 #define V4L2_TUNER_CAP_LOW 0x0001 760 #define V4L2_TUNER_CAP_NORM 0x0002 761 #define V4L2_TUNER_CAP_STEREO 0x0010 762 #define V4L2_TUNER_CAP_LANG2 0x0020 763 #define V4L2_TUNER_CAP_SAP 0x0020 764 #define V4L2_TUNER_CAP_LANG1 0x0040 765 766 /* Flags for the 'rxsubchans' field */ 767 #define V4L2_TUNER_SUB_MONO 0x0001 768 #define V4L2_TUNER_SUB_STEREO 0x0002 769 #define V4L2_TUNER_SUB_LANG2 0x0004 770 #define V4L2_TUNER_SUB_SAP 0x0004 771 #define V4L2_TUNER_SUB_LANG1 0x0008 772 773 /* Values for the 'audmode' field */ 774 #define V4L2_TUNER_MODE_MONO 0x0000 775 #define V4L2_TUNER_MODE_STEREO 0x0001 776 #define V4L2_TUNER_MODE_LANG2 0x0002 777 #define V4L2_TUNER_MODE_SAP 0x0002 778 #define V4L2_TUNER_MODE_LANG1 0x0003 779 780 struct v4l2_frequency 781 { 782 __u32 tuner; 783 enum v4l2_tuner_type type; 784 __u32 frequency; 785 __u32 reserved[8]; 786 }; 787 788 /* 789 * A U D I O 790 */ 791 struct v4l2_audio 792 { 793 __u32 index; 794 __u8 name[32]; 795 __u32 capability; 796 __u32 mode; 797 __u32 reserved[2]; 798 }; 799 /* Flags for the 'capability' field */ 800 #define V4L2_AUDCAP_STEREO 0x00001 801 #define V4L2_AUDCAP_AVL 0x00002 802 803 /* Flags for the 'mode' field */ 804 #define V4L2_AUDMODE_AVL 0x00001 805 806 struct v4l2_audioout 807 { 808 __u32 index; 809 __u8 name[32]; 810 __u32 capability; 811 __u32 mode; 812 __u32 reserved[2]; 813 }; 814 815 /* 816 * D A T A S E R V I C E S ( V B I ) 817 * 818 * Data services API by Michael Schimek 819 */ 820 821 /* Raw VBI */ 822 823 struct v4l2_vbi_format 824 { 825 __u32 sampling_rate; /* in 1 Hz */ 826 __u32 offset; 827 __u32 samples_per_line; 828 __u32 sample_format; /* V4L2_PIX_FMT_* */ 829 __s32 start[2]; 830 __u32 count[2]; 831 __u32 flags; /* V4L2_VBI_* */ 832 __u32 reserved[2]; /* must be zero */ 833 }; 834 835 /* VBI flags */ 836 #define V4L2_VBI_UNSYNC (1<< 0) 837 #define V4L2_VBI_INTERLACED (1<< 1) 838 839 #if 1 840 /* Sliced VBI 841 * 842 * This implements is a proposal V4L2 API to allow SLICED VBI 843 * required for some hardware encoders. It should change without 844 * notice in the definitive implementation. 845 */ 846 847 struct v4l2_sliced_vbi_format 848 { 849 __u16 service_set; 850 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 851 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 852 (equals frame lines 313-336 for 625 line video 853 standards, 263-286 for 525 line standards) */ 854 __u16 service_lines[2][24]; 855 __u32 io_size; 856 __u32 reserved[2]; /* must be zero */ 857 }; 858 859 #define V4L2_SLICED_TELETEXT_B (0x0001) 860 #define V4L2_SLICED_VPS (0x0400) 861 #define V4L2_SLICED_CAPTION_525 (0x1000) 862 #define V4L2_SLICED_WSS_625 (0x4000) 863 864 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 865 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 866 867 struct v4l2_sliced_vbi_cap 868 { 869 __u16 service_set; 870 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 871 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 872 (equals frame lines 313-336 for 625 line video 873 standards, 263-286 for 525 line standards) */ 874 __u16 service_lines[2][24]; 875 __u32 reserved[4]; /* must be 0 */ 876 }; 877 878 struct v4l2_sliced_vbi_data 879 { 880 __u32 id; 881 __u32 field; /* 0: first field, 1: second field */ 882 __u32 line; /* 1-23 */ 883 __u32 reserved; /* must be 0 */ 884 __u8 data[48]; 885 }; 886 #endif 887 888 /* 889 * A G G R E G A T E S T R U C T U R E S 890 */ 891 892 /* Stream data format 893 */ 894 struct v4l2_format 895 { 896 enum v4l2_buf_type type; 897 union 898 { 899 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE 900 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY 901 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE 902 #if 1 903 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE 904 #endif 905 __u8 raw_data[200]; // user-defined 906 } fmt; 907 }; 908 909 910 /* Stream type-dependent parameters 911 */ 912 struct v4l2_streamparm 913 { 914 enum v4l2_buf_type type; 915 union 916 { 917 struct v4l2_captureparm capture; 918 struct v4l2_outputparm output; 919 __u8 raw_data[200]; /* user-defined */ 920 } parm; 921 }; 922 923 924 925 /* 926 * 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 927 * 928 */ 929 #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) 930 #define VIDIOC_RESERVED _IO ('V', 1) 931 #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) 932 #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) 933 #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) 934 #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) 935 #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) 936 #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) 937 #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) 938 #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) 939 #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) 940 #define VIDIOC_OVERLAY _IOW ('V', 14, int) 941 #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) 942 #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) 943 #define VIDIOC_STREAMON _IOW ('V', 18, int) 944 #define VIDIOC_STREAMOFF _IOW ('V', 19, int) 945 #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) 946 #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) 947 #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) 948 #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) 949 #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) 950 #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) 951 #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) 952 #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) 953 #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) 954 #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) 955 #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) 956 #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) 957 #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) 958 #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) 959 #define VIDIOC_G_INPUT _IOR ('V', 38, int) 960 #define VIDIOC_S_INPUT _IOWR ('V', 39, int) 961 #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) 962 #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) 963 #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) 964 #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) 965 #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) 966 #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) 967 #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) 968 #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) 969 #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) 970 #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) 971 #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) 972 #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) 973 #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) 974 #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) 975 #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) 976 #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) 977 #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) 978 #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) 979 #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) 980 #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) 981 #if 1 982 #define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap) 983 #endif 984 985 /* for compatibility, will go away some day */ 986 #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) 987 #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) 988 #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) 989 #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) 990 #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) 991 #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) 992 993 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 994 995 996 #ifdef __KERNEL__ 997 /* 998 * 999 * V 4 L 2 D R I V E R H E L P E R A P I 1000 * 1001 * Some commonly needed functions for drivers (v4l2-common.o module) 1002 */ 1003 #include <linux/fs.h> 1004 1005 /* Video standard functions */ 1006 extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); 1007 extern int v4l2_video_std_construct(struct v4l2_standard *vs, 1008 int id, char *name); 1009 1010 /* prority handling */ 1011 struct v4l2_prio_state { 1012 atomic_t prios[4]; 1013 }; 1014 int v4l2_prio_init(struct v4l2_prio_state *global); 1015 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, 1016 enum v4l2_priority new); 1017 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); 1018 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); 1019 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); 1020 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); 1021 1022 /* names for fancy debug output */ 1023 extern char *v4l2_field_names[]; 1024 extern char *v4l2_type_names[]; 1025 extern char *v4l2_ioctl_names[]; 1026 1027 /* Compatibility layer interface -- v4l1-compat module */ 1028 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, 1029 unsigned int cmd, void *arg); 1030 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, 1031 int cmd, void *arg, v4l2_kioctl driver_ioctl); 1032 1033 #endif /* __KERNEL__ */ 1034 #endif /* __LINUX_VIDEODEV2_H */ 1035 1036 /* 1037 * Local variables: 1038 * c-basic-offset: 8 1039 * End: 1040 */ 1041