http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/videodev2.h

#ifndef __LINUX_VIDEODEV2_H #define __LINUX_VIDEODEV2_H /* * Video for Linux Two * * Header file for v4l or V4L2 drivers and applications, for * Linux kernels 2.2.x or 2.4.x. * * See http://bytesex.org/v4l/ for API specs and other * v4l2 documentation. * * Author: Bill Dirks <bdirks@pacbell.net> * Justin Schoeman * et al. */ #ifdef __KERNEL__ #include <linux/time.h> /* need struct timeval */ #include <linux/poll.h> #include <linux/device.h> #endif #include <linux/compiler.h> /* need __user */ #define OBSOLETE_OWNER 1 /* It will be removed for 2.6.15 */ #define HAVE_V4L2 1 /* * Common stuff for both V4L1 and V4L2 * Moved from videodev.h */ #define VIDEO_MAX_FRAME 32 #define VID_TYPE_CAPTURE 1 /* Can capture */ #define VID_TYPE_TUNER 2 /* Can tune */ #define VID_TYPE_TELETEXT 4 /* Does teletext */ #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ #define VID_TYPE_CLIPPING 32 /* Can clip */ #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ #define VID_TYPE_SCALES 128 /* Scalable */ #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ #ifdef __KERNEL__ #define VFL_TYPE_GRABBER 0 #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 #define VFL_TYPE_VTX 3 struct video_device { /* device info */ struct device *dev; char name[32]; int type; /* v4l1 */ int type2; /* v4l2 */ int hardware; int minor; /* device ops + callbacks */ struct file_operations *fops; void (*release)(struct video_device *vfd); #if OBSOLETE_OWNER /* to be removed in 2.6.15 */ /* obsolete -- fops->owner is used instead */ struct module *owner; /* dev->driver_data will be used instead some day. * Use the video_{get|set}_drvdata() helper functions, * so the switch over will be transparent for you. * Or use {pci|usb}_{get|set}_drvdata() directly. */ void *priv; #endif /* for videodev.c intenal usage -- please don't touch */ int users; /* video_exclusive_{open|close} ... */ struct semaphore lock; /* ... helper function uses these */ char devfs_name[64]; /* devfs */ struct class_device class_dev; /* sysfs */ }; #define VIDEO_MAJOR 81 extern int video_register_device(struct video_device *, int type, int nr); extern void video_unregister_device(struct video_device *); extern int video_usercopy(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int (*func)(struct inode *inode, struct file *file, unsigned int cmd, void *arg)); /* helper functions to alloc / release struct video_device, the later can be used for video_device->release() */ struct video_device *video_device_alloc(void); void video_device_release(struct video_device *vfd); #endif /* * M I S C E L L A N E O U S */ /* Four-character-code (FOURCC) */ #define v4l2_fourcc(a,b,c,d)\ (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24)) /* * E N U M S */ enum v4l2_field { V4L2_FIELD_ANY = 0, /* driver can choose from none, top, bottom, interlaced depending on whatever it thinks is approximate ... */ V4L2_FIELD_NONE = 1, /* this device has no fields ... */ V4L2_FIELD_TOP = 2, /* top field only */ V4L2_FIELD_BOTTOM = 3, /* bottom field only */ V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one buffer, top-bottom order */ V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into separate buffers */ }; #define V4L2_FIELD_HAS_TOP(field) \ ((field) == V4L2_FIELD_TOP ||\ (field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) #define V4L2_FIELD_HAS_BOTTOM(field) \ ((field) == V4L2_FIELD_BOTTOM ||\ (field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) #define V4L2_FIELD_HAS_BOTH(field) \ ((field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) enum v4l2_buf_type { V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, V4L2_BUF_TYPE_VBI_CAPTURE = 4, V4L2_BUF_TYPE_VBI_OUTPUT = 5, #if 1 /* Experimental Sliced VBI */ V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, #endif V4L2_BUF_TYPE_PRIVATE = 0x80, }; enum v4l2_ctrl_type { V4L2_CTRL_TYPE_INTEGER = 1, V4L2_CTRL_TYPE_BOOLEAN = 2, V4L2_CTRL_TYPE_MENU = 3, V4L2_CTRL_TYPE_BUTTON = 4, }; enum v4l2_tuner_type { V4L2_TUNER_RADIO = 1, V4L2_TUNER_ANALOG_TV = 2, V4L2_TUNER_DIGITAL_TV = 3, }; enum v4l2_memory { V4L2_MEMORY_MMAP = 1, V4L2_MEMORY_USERPTR = 2, V4L2_MEMORY_OVERLAY = 3, }; /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ enum v4l2_colorspace { /* ITU-R 601 -- broadcast NTSC/PAL */ V4L2_COLORSPACE_SMPTE170M = 1, /* 1125-Line (US) HDTV */ V4L2_COLORSPACE_SMPTE240M = 2, /* HD and modern captures. */ V4L2_COLORSPACE_REC709 = 3, /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ V4L2_COLORSPACE_BT878 = 4, /* These should be useful. Assume 601 extents. */ V4L2_COLORSPACE_470_SYSTEM_M = 5, V4L2_COLORSPACE_470_SYSTEM_BG = 6, /* I know there will be cameras that send this. So, this is * unspecified chromaticities and full 0-255 on each of the * Y'CbCr components */ V4L2_COLORSPACE_JPEG = 7, /* For RGB colourspaces, this is probably a good start. */ V4L2_COLORSPACE_SRGB = 8, }; enum v4l2_priority { V4L2_PRIORITY_UNSET = 0, /* not initialized */ V4L2_PRIORITY_BACKGROUND = 1, V4L2_PRIORITY_INTERACTIVE = 2, V4L2_PRIORITY_RECORD = 3, V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, }; struct v4l2_rect { __s32 left; __s32 top; __s32 width; __s32 height; }; struct v4l2_fract { __u32 numerator; __u32 denominator; }; /* * D R I V E R C A P A B I L I T I E S */ struct v4l2_capability { __u8 driver[16]; /* i.e. "bttv" */ __u8 card[32]; /* i.e. "Hauppauge WinTV" */ __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */ __u32 version; /* should use KERNEL_VERSION() */ __u32 capabilities; /* Device capabilities */ __u32 reserved[4]; }; /* Values for 'capabilities' field */ #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ #if 1 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ #endif #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ /* * V I D E O I M A G E F O R M A T */ struct v4l2_pix_format { __u32 width; __u32 height; __u32 pixelformat; enum v4l2_field field; __u32 bytesperline; /* for padding, zero if unused */ __u32 sizeimage; enum v4l2_colorspace colorspace; __u32 priv; /* private data, depends on pixelformat */ }; /* Pixel format FOURCC depth Description */ #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */ #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */ #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */ #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */ #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */ #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */ #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */ #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */ #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */ #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */ #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */ #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */ #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */ #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */ #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */ /* two planes -- one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */ #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */ /* The following formats are not defined in the V4L2 specification */ #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */ #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */ #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */ /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */ /* compressed formats */ #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */ #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */ #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */ #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */ /* Vendor-specific formats */ #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */ /* * F O R M A T E N U M E R A T I O N */ struct v4l2_fmtdesc { __u32 index; /* Format number */ enum v4l2_buf_type type; /* buffer type */ __u32 flags; __u8 description[32]; /* Description string */ __u32 pixelformat; /* Format fourcc */ __u32 reserved[4]; }; #define V4L2_FMT_FLAG_COMPRESSED 0x0001 /* * T I M E C O D E */ struct v4l2_timecode { __u32 type; __u32 flags; __u8 frames; __u8 seconds; __u8 minutes; __u8 hours; __u8 userbits[4]; }; /* Type */ #define V4L2_TC_TYPE_24FPS 1 #define V4L2_TC_TYPE_25FPS 2 #define V4L2_TC_TYPE_30FPS 3 #define V4L2_TC_TYPE_50FPS 4 #define V4L2_TC_TYPE_60FPS 5 /* Flags */ #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ #define V4L2_TC_FLAG_COLORFRAME 0x0002 #define V4L2_TC_USERBITS_field 0x000C #define V4L2_TC_USERBITS_USERDEFINED 0x0000 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 /* The above is based on SMPTE timecodes */ /* * 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 * * ### WARNING: this is still work-in-progress right now, most likely * ### there will be some incompatible changes. * */ enum v4l2_bitrate_mode { V4L2_BITRATE_NONE = 0, /* not specified */ V4L2_BITRATE_CBR, /* constant bitrate */ V4L2_BITRATE_VBR, /* variable bitrate */ }; struct v4l2_bitrate { /* rates are specified in kbit/sec */ enum v4l2_bitrate_mode mode; __u32 min; __u32 target; /* use this one for CBR */ __u32 max; }; enum v4l2_mpeg_streamtype { V4L2_MPEG_SS_1, /* MPEG-1 system stream */ V4L2_MPEG_PS_2, /* MPEG-2 program stream */ V4L2_MPEG_TS_2, /* MPEG-2 transport stream */ V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */ }; enum v4l2_mpeg_audiotype { V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */ V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */ V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */ V4L2_MPEG_AC3, /* AC3 */ V4L2_MPEG_LPCM, /* LPCM */ }; enum v4l2_mpeg_videotype { V4L2_MPEG_VI_1, /* MPEG-1 */ V4L2_MPEG_VI_2, /* MPEG-2 */ }; enum v4l2_mpeg_aspectratio { V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */ V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */ V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */ V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */ }; struct v4l2_mpeg_compression { /* general */ enum v4l2_mpeg_streamtype st_type; struct v4l2_bitrate st_bitrate; /* transport streams */ __u16 ts_pid_pmt; __u16 ts_pid_audio; __u16 ts_pid_video; __u16 ts_pid_pcr; /* program stream */ __u16 ps_size; __u16 reserved_1; /* align */ /* audio */ enum v4l2_mpeg_audiotype au_type; struct v4l2_bitrate au_bitrate; __u32 au_sample_rate; __u8 au_pesid; __u8 reserved_2[3]; /* align */ /* video */ enum v4l2_mpeg_videotype vi_type; enum v4l2_mpeg_aspectratio vi_aspect_ratio; struct v4l2_bitrate vi_bitrate; __u32 vi_frame_rate; __u16 vi_frames_per_gop; __u16 vi_bframes_count; __u8 vi_pesid; __u8 reserved_3[3]; /* align */ /* misc flags */ __u32 closed_gops:1; __u32 pulldown:1; __u32 reserved_4:30; /* align */ /* I don't expect the above being perfect yet ;) */ __u32 reserved_5[8]; }; struct v4l2_jpegcompression { int quality; int APPn; /* Number of APP segment to be written, * must be 0..15 */ int APP_len; /* Length of data in JPEG APPn segment */ char APP_data[60]; /* Data in the JPEG APPn segment. */ int COM_len; /* Length of data in JPEG COM segment */ char COM_data[60]; /* Data in JPEG COM segment */ __u32 jpeg_markers; /* Which markers should go into the JPEG * output. Unless you exactly know what * you do, leave them untouched. * Inluding less markers will make the * resulting code smaller, but there will * be fewer aplications which can read it. * The presence of the APP and COM marker * is influenced by APP_len and COM_len * ONLY, not by this property! */ #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will * allways use APP0 */ }; /* * M E M O R Y - M A P P I N G B U F F E R S */ struct v4l2_requestbuffers { __u32 count; enum v4l2_buf_type type; enum v4l2_memory memory; __u32 reserved[2]; }; struct v4l2_buffer { __u32 index; enum v4l2_buf_type type; __u32 bytesused; __u32 flags; enum v4l2_field field; struct timeval timestamp; struct v4l2_timecode timecode; __u32 sequence; /* memory location */ enum v4l2_memory memory; union { __u32 offset; unsigned long userptr; } m; __u32 length; __u32 input; __u32 reserved; }; /* Flags for 'flags' field */ #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */ /* * O V E R L A Y P R E V I E W */ struct v4l2_framebuffer { __u32 capability; __u32 flags; /* FIXME: in theory we should pass something like PCI device + memory * region + offset instead of some physical address */ void* base; struct v4l2_pix_format fmt; }; /* Flags for the 'capability' field. Read only */ #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 /* Flags for the 'flags' field. */ #define V4L2_FBUF_FLAG_PRIMARY 0x0001 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 struct v4l2_clip { struct v4l2_rect c; struct v4l2_clip __user *next; }; struct v4l2_window { struct v4l2_rect w; enum v4l2_field field; __u32 chromakey; struct v4l2_clip __user *clips; __u32 clipcount; void __user *bitmap; }; /* * C A P T U R E P A R A M E T E R S */ struct v4l2_captureparm { __u32 capability; /* Supported modes */ __u32 capturemode; /* Current mode */ struct v4l2_fract timeperframe; /* Time per frame in .1us units */ __u32 extendedmode; /* Driver-specific extensions */ __u32 readbuffers; /* # of buffers for read */ __u32 reserved[4]; }; /* Flags for 'capability' and 'capturemode' fields */ #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ struct v4l2_outputparm { __u32 capability; /* Supported modes */ __u32 outputmode; /* Current mode */ struct v4l2_fract timeperframe; /* Time per frame in seconds */ __u32 extendedmode; /* Driver-specific extensions */ __u32 writebuffers; /* # of buffers for write */ __u32 reserved[4]; }; /* * I N P U T I M A G E C R O P P I N G */ struct v4l2_cropcap { enum v4l2_buf_type type; struct v4l2_rect bounds; struct v4l2_rect defrect; struct v4l2_fract pixelaspect; }; struct v4l2_crop { enum v4l2_buf_type type; struct v4l2_rect c; }; /* * A N A L O G V I D E O S T A N D A R D */ typedef __u64 v4l2_std_id; /* one bit for each */ #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) /* ATSC/HDTV */ #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) /* some merged standards */ #define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC) #define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B) #define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H) #define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK) /* some common needed stuff */ #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ V4L2_STD_PAL_B1 |\ V4L2_STD_PAL_G) #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ V4L2_STD_PAL_D1 |\ V4L2_STD_PAL_K) #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ V4L2_STD_PAL_DK |\ V4L2_STD_PAL_H |\ V4L2_STD_PAL_I) #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ V4L2_STD_NTSC_M_JP |\ V4L2_STD_NTSC_M_KR) #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ V4L2_STD_SECAM_K |\ V4L2_STD_SECAM_K1) #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ V4L2_STD_SECAM_G |\ V4L2_STD_SECAM_H |\ V4L2_STD_SECAM_DK |\ V4L2_STD_SECAM_L |\ V4L2_STD_SECAM_LC) #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ V4L2_STD_PAL_60 |\ V4L2_STD_NTSC |\ V4L2_STD_NTSC_443) #define V4L2_STD_625_50 (V4L2_STD_PAL |\ V4L2_STD_PAL_N |\ V4L2_STD_PAL_Nc |\ V4L2_STD_SECAM) #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ V4L2_STD_ATSC_16_VSB) #define V4L2_STD_UNKNOWN 0 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ V4L2_STD_625_50) struct v4l2_standard { __u32 index; v4l2_std_id id; __u8 name[24]; struct v4l2_fract frameperiod; /* Frames, not fields */ __u32 framelines; __u32 reserved[4]; }; /* * V I D E O I N P U T S */ struct v4l2_input { __u32 index; /* Which input */ __u8 name[32]; /* Label */ __u32 type; /* Type of input */ __u32 audioset; /* Associated audios (bitfield) */ __u32 tuner; /* Associated tuner */ v4l2_std_id std; __u32 status; __u32 reserved[4]; }; /* Values for the 'type' field */ #define V4L2_INPUT_TYPE_TUNER 1 #define V4L2_INPUT_TYPE_CAMERA 2 /* field 'status' - general */ #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ #define V4L2_IN_ST_NO_SIGNAL 0x00000002 #define V4L2_IN_ST_NO_COLOR 0x00000004 /* field 'status' - analog */ #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ /* field 'status' - digital */ #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ /* field 'status' - VCR and set-top box */ #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ /* * V I D E O O U T P U T S */ struct v4l2_output { __u32 index; /* Which output */ __u8 name[32]; /* Label */ __u32 type; /* Type of output */ __u32 audioset; /* Associated audios (bitfield) */ __u32 modulator; /* Associated modulator */ v4l2_std_id std; __u32 reserved[4]; }; /* Values for the 'type' field */ #define V4L2_OUTPUT_TYPE_MODULATOR 1 #define V4L2_OUTPUT_TYPE_ANALOG 2 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 /* * C O N T R O L S */ struct v4l2_control { __u32 id; __s32 value; }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ struct v4l2_queryctrl { __u32 id; enum v4l2_ctrl_type type; __u8 name[32]; /* Whatever */ __s32 minimum; /* Note signedness */ __s32 maximum; __s32 step; __s32 default_value; __u32 flags; __u32 reserved[2]; }; /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ struct v4l2_querymenu { __u32 id; __u32 index; __u8 name[32]; /* Whatever */ __u32 reserved; }; /* Control flags */ #define V4L2_CTRL_FLAG_DISABLED 0x0001 #define V4L2_CTRL_FLAG_GRABBED 0x0002 /* Control IDs defined by V4L2 */ #define V4L2_CID_BASE 0x00980900 /* IDs reserved for driver specific controls */ #define V4L2_CID_PRIVATE_BASE 0x08000000 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0) #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1) #define V4L2_CID_SATURATION (V4L2_CID_BASE+2) #define V4L2_CID_HUE (V4L2_CID_BASE+3) #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5) #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6) #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7) #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8) #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9) #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10) #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11) #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12) #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13) #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14) #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15) #define V4L2_CID_GAMMA (V4L2_CID_BASE+16) #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */ #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17) #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18) #define V4L2_CID_GAIN (V4L2_CID_BASE+19) #define V4L2_CID_HFLIP (V4L2_CID_BASE+20) #define V4L2_CID_VFLIP (V4L2_CID_BASE+21) #define V4L2_CID_HCENTER (V4L2_CID_BASE+22) #define V4L2_CID_VCENTER (V4L2_CID_BASE+23) #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */ /* * T U N I N G */ struct v4l2_tuner { __u32 index; __u8 name[32]; enum v4l2_tuner_type type; __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 rxsubchans; __u32 audmode; __s32 signal; __s32 afc; __u32 reserved[4]; }; struct v4l2_modulator { __u32 index; __u8 name[32]; __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 txsubchans; __u32 reserved[4]; }; /* Flags for the 'capability' field */ #define V4L2_TUNER_CAP_LOW 0x0001 #define V4L2_TUNER_CAP_NORM 0x0002 #define V4L2_TUNER_CAP_STEREO 0x0010 #define V4L2_TUNER_CAP_LANG2 0x0020 #define V4L2_TUNER_CAP_SAP 0x0020 #define V4L2_TUNER_CAP_LANG1 0x0040 /* Flags for the 'rxsubchans' field */ #define V4L2_TUNER_SUB_MONO 0x0001 #define V4L2_TUNER_SUB_STEREO 0x0002 #define V4L2_TUNER_SUB_LANG2 0x0004 #define V4L2_TUNER_SUB_SAP 0x0004 #define V4L2_TUNER_SUB_LANG1 0x0008 /* Values for the 'audmode' field */ #define V4L2_TUNER_MODE_MONO 0x0000 #define V4L2_TUNER_MODE_STEREO 0x0001 #define V4L2_TUNER_MODE_LANG2 0x0002 #define V4L2_TUNER_MODE_SAP 0x0002 #define V4L2_TUNER_MODE_LANG1 0x0003 struct v4l2_frequency { __u32 tuner; enum v4l2_tuner_type type; __u32 frequency; __u32 reserved[8]; }; /* * A U D I O */ struct v4l2_audio { __u32 index; __u8 name[32]; __u32 capability; __u32 mode; __u32 reserved[2]; }; /* Flags for the 'capability' field */ #define V4L2_AUDCAP_STEREO 0x00001 #define V4L2_AUDCAP_AVL 0x00002 /* Flags for the 'mode' field */ #define V4L2_AUDMODE_AVL 0x00001 struct v4l2_audioout { __u32 index; __u8 name[32]; __u32 capability; __u32 mode; __u32 reserved[2]; }; /* * D A T A S E R V I C E S ( V B I ) * * Data services API by Michael Schimek */ /* Raw VBI */ struct v4l2_vbi_format { __u32 sampling_rate; /* in 1 Hz */ __u32 offset; __u32 samples_per_line; __u32 sample_format; /* V4L2_PIX_FMT_* */ __s32 start[2]; __u32 count[2]; __u32 flags; /* V4L2_VBI_* */ __u32 reserved[2]; /* must be zero */ }; /* VBI flags */ #define V4L2_VBI_UNSYNC (1<< 0) #define V4L2_VBI_INTERLACED (1<< 1) #if 1 /* Sliced VBI * * This implements is a proposal V4L2 API to allow SLICED VBI * required for some hardware encoders. It should change without * notice in the definitive implementation. */ struct v4l2_sliced_vbi_format { __u16 service_set; /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field (equals frame lines 313-336 for 625 line video standards, 263-286 for 525 line standards) */ __u16 service_lines[2][24]; __u32 io_size; __u32 reserved[2]; /* must be zero */ }; #define V4L2_SLICED_TELETEXT_B (0x0001) #define V4L2_SLICED_VPS (0x0400) #define V4L2_SLICED_CAPTION_525 (0x1000) #define V4L2_SLICED_WSS_625 (0x4000) #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) struct v4l2_sliced_vbi_cap { __u16 service_set; /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field (equals frame lines 313-336 for 625 line video standards, 263-286 for 525 line standards) */ __u16 service_lines[2][24]; __u32 reserved[4]; /* must be 0 */ }; struct v4l2_sliced_vbi_data { __u32 id; __u32 field; /* 0: first field, 1: second field */ __u32 line; /* 1-23 */ __u32 reserved; /* must be 0 */ __u8 data[48]; }; #endif /* * A G G R E G A T E S T R U C T U R E S */ /* Stream data format */ struct v4l2_format { enum v4l2_buf_type type; union { struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE #if 1 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE #endif __u8 raw_data[200]; // user-defined } fmt; }; /* Stream type-dependent parameters */ struct v4l2_streamparm { enum v4l2_buf_type type; union { struct v4l2_captureparm capture; struct v4l2_outputparm output; __u8 raw_data[200]; /* user-defined */ } parm; }; /* * 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 * */ #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) #define VIDIOC_RESERVED _IO ('V', 1) #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc) #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format) #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format) #define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression) #define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression) #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers) #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer) #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer) #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer) #define VIDIOC_OVERLAY _IOW ('V', 14, int) #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer) #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer) #define VIDIOC_STREAMON _IOW ('V', 18, int) #define VIDIOC_STREAMOFF _IOW ('V', 19, int) #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm) #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm) #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id) #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id) #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard) #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input) #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control) #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control) #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner) #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner) #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio) #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio) #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl) #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu) #define VIDIOC_G_INPUT _IOR ('V', 38, int) #define VIDIOC_S_INPUT _IOWR ('V', 39, int) #define VIDIOC_G_OUTPUT _IOR ('V', 46, int) #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int) #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output) #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout) #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout) #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator) #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator) #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency) #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency) #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap) #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop) #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop) #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression) #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression) #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id) #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format) #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio) #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout) #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority) #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority) #if 1 #define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap) #endif #define VIDIOC_LOG_STATUS _IO ('V', 70) /* for compatibility, will go away some day */ #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int) #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm) #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control) #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio) #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout) #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap) #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ #ifdef __KERNEL__ /* * * V 4 L 2 D R I V E R H E L P E R A P I * * Some commonly needed functions for drivers (v4l2-common.o module) */ #include <linux/fs.h> /* Video standard functions */ extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs); extern int v4l2_video_std_construct(struct v4l2_standard *vs, int id, char *name); /* prority handling */ struct v4l2_prio_state { atomic_t prios[4]; }; int v4l2_prio_init(struct v4l2_prio_state *global); int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, enum v4l2_priority new); int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); /* names for fancy debug output */ extern char *v4l2_field_names[]; extern char *v4l2_type_names[]; /* Compatibility layer interface -- v4l1-compat module */ typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, unsigned int cmd, void *arg); int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, int cmd, void *arg, v4l2_kioctl driver_ioctl); /* 32 Bits compatibility layer for 64 bits processors */ extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg); #endif /* __KERNEL__ */ #endif /* __LINUX_VIDEODEV2_H */ /* * Local variables: * c-basic-offset: 8 * End: */