Date: Wed, 04 May 2011 15:00:10 -0600 From: Julian Elischer <julian@freebsd.org> To: Alexander Leidinger <netchild@freebsd.org> Cc: svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-vendor@freebsd.org Subject: Re: svn commit: r221422 - vendor/v4l/2.6.17 Message-ID: <4DC1BE5A.1090201@freebsd.org> In-Reply-To: <201105040822.p448MwK2037559@svn.freebsd.org> References: <201105040822.p448MwK2037559@svn.freebsd.org>
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On 5/4/11 2:22 AM, Alexander Leidinger wrote: > Author: netchild > Date: Wed May 4 08:22:58 2011 > New Revision: 221422 > URL: http://svn.freebsd.org/changeset/base/221422 note that I have email from Bill dirks (somewhere) explicitly allowing us to use this file also from alan cox (the linux one) for the original v4l.h > Log: > Tag the v4l2 header with the linux kernel version where I took it from. > > Added: > vendor/v4l/2.6.17/videodev2.h > - copied unchanged from r221421, vendor/v4l/dist/videodev2.h > > Copied: vendor/v4l/2.6.17/videodev2.h (from r221421, vendor/v4l/dist/videodev2.h) > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ vendor/v4l/2.6.17/videodev2.h Wed May 4 08:22:58 2011 (r221422, copy of r221421, vendor/v4l/dist/videodev2.h) > @@ -0,0 +1,1164 @@ > +#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> > +#include<linux/mutex.h> > +#endif > +#include<linux/compiler.h> /* need __user */ > + > + > +#define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */ > +#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__ > + > +/* Minor device allocation */ > +#define MINOR_VFL_TYPE_GRABBER_MIN 0 > +#define MINOR_VFL_TYPE_GRABBER_MAX 63 > +#define MINOR_VFL_TYPE_RADIO_MIN 64 > +#define MINOR_VFL_TYPE_RADIO_MAX 127 > +#define MINOR_VFL_TYPE_VTX_MIN 192 > +#define MINOR_VFL_TYPE_VTX_MAX 223 > +#define MINOR_VFL_TYPE_VBI_MIN 224 > +#define MINOR_VFL_TYPE_VBI_MAX 255 > + > +#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 */ > + const 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 mutex 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 > +#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 > + > +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 */ > +}; > + > +/* Teletext World System Teletext > + (WST), defined on ITU-R BT.653-2 */ > +#define V4L2_SLICED_TELETEXT_B (0x0001) > +/* Video Program System, defined on ETS 300 231*/ > +#define V4L2_SLICED_VPS (0x0400) > +/* Closed Caption, defined on EIA-608 */ > +#define V4L2_SLICED_CAPTION_525 (0x1000) > +/* Wide Screen System, defined on ITU-R BT1119.1 */ > +#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 */ > > *** DIFF OUTPUT TRUNCATED AT 1000 LINES *** > >
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