text: /*
   *  Video for Linux Two header file
   *
   *  Copyright (C) 1999-2007 the contributors
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  Alternatively you can redistribute this file under the terms of the
   *  BSD license as stated below:
   *
   *  Redistribution and use in source and binary forms, with or without
   *  modification, are permitted provided that the following conditions
   *  are met:
   *  1. Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *  2. Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in
   *     the documentation and/or other materials provided with the
   *     distribution.
   *  3. The names of its contributors may not be used to endorse or promote
   *     products derived from this software without specific prior written
   *     permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
   *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   *	Header file for v4l or V4L2 drivers and applications
   * with public API.
   * All kernel-specific stuff were moved to media/v4l2-dev.h, so
   * no #if __KERNEL tests are allowed here
   *
   *	See http://linuxtv.org for more info
   *
   *	Author: Bill Dirks <bill@thedirks.org>
   *		Justin Schoeman
   *              Hans Verkuil <hverkuil@xs4all.nl>
   *		et al.
   */
  #ifndef __LINUX_VIDEODEV2_H
  #define __LINUX_VIDEODEV2_H
  #ifdef __KERNEL__
  #include <linux/time.h>     /* need struct timeval */
  #include <linux/compiler.h> /* need __user */
  #else
  #define __user
  #include <sys/time.h>
  #endif
  #include <linux/ioctl.h>
  #include <linux/types.h>
  
  /*
   * 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 */
  
  /*
   *	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 */
  	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  					 first and the top field is
  					 transmitted first */
  	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  					 first and the bottom field is
  					 transmitted first */
  };
  #define V4L2_FIELD_HAS_TOP(field)	\
  	((field) == V4L2_FIELD_TOP 	||\
  	 (field) == V4L2_FIELD_INTERLACED ||\
  	 (field) == V4L2_FIELD_INTERLACED_TB ||\
  	 (field) == V4L2_FIELD_INTERLACED_BT ||\
  	 (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_INTERLACED_TB ||\
  	 (field) == V4L2_FIELD_INTERLACED_BT ||\
  	 (field) == V4L2_FIELD_SEQ_TB	||\
  	 (field) == V4L2_FIELD_SEQ_BT)
  #define V4L2_FIELD_HAS_BOTH(field)	\
  	((field) == V4L2_FIELD_INTERLACED ||\
  	 (field) == V4L2_FIELD_INTERLACED_TB ||\
  	 (field) == V4L2_FIELD_INTERLACED_BT ||\
  	 (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,
  	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
  	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
  #if 1 /*KEEP*/
  	/* Experimental */
  	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  #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,
  	V4L2_CTRL_TYPE_INTEGER64     = 5,
  	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
  };
  
  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 */
  #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 */
  #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
  #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
  #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
  
  #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_RGB444  v4l2_fourcc('R','4','4','4') /* 16  xxxxrrrr ggggbbbb */
  #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_Y16     v4l2_fourcc('Y','1','6',' ') /* 16  Greyscale     */
  #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P','A','L','8') /*  8  8-bit palette */
  #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     */
  #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y','4','4','4') /* 16  xxxxyyyy uuuuvvvv */
  #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y','U','V','O') /* 16  YUV-5-5-5     */
  #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y','U','V','P') /* 16  YUV-5-6-5     */
  #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y','U','V','4') /* 32  YUV-8-8-8-8   */
  
  /* 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   */
  #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H','M','1','2') /*  8  YUV 4:2:0 16x16 macroblocks */
  
  /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
  #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B','A','8','1') /*  8  BGBG.. GRGR.. */
  #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B','Y','R','2') /* 16  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-1/2/4    */
  
  /*  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 */
  #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S','5','0','1') /* YUYV per line */
  #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S','5','6','1') /* compressed BGGR bayer */
  
  /*
   *	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
  
  #if 1 /*KEEP*/
  	/* Experimental Frame Size and frame rate enumeration */
  /*
   *	F R A M E   S I Z E   E N U M E R A T I O N
   */
  enum v4l2_frmsizetypes
  {
  	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
  	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
  	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
  };
  
  struct v4l2_frmsize_discrete
  {
  	__u32			width;		/* Frame width [pixel] */
  	__u32			height;		/* Frame height [pixel] */
  };
  
  struct v4l2_frmsize_stepwise
  {
  	__u32			min_width;	/* Minimum frame width [pixel] */
  	__u32			max_width;	/* Maximum frame width [pixel] */
  	__u32			step_width;	/* Frame width step size [pixel] */
  	__u32			min_height;	/* Minimum frame height [pixel] */
  	__u32			max_height;	/* Maximum frame height [pixel] */
  	__u32			step_height;	/* Frame height step size [pixel] */
  };
  
  struct v4l2_frmsizeenum
  {
  	__u32			index;		/* Frame size number */
  	__u32			pixel_format;	/* Pixel format */
  	__u32			type;		/* Frame size type the device supports. */
  
  	union {					/* Frame size */
  		struct v4l2_frmsize_discrete	discrete;
  		struct v4l2_frmsize_stepwise	stepwise;
  	};
  
  	__u32   reserved[2];			/* Reserved space for future use */
  };
  
  /*
   *	F R A M E   R A T E   E N U M E R A T I O N
   */
  enum v4l2_frmivaltypes
  {
  	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
  	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
  	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
  };
  
  struct v4l2_frmival_stepwise
  {
  	struct v4l2_fract	min;		/* Minimum frame interval [s] */
  	struct v4l2_fract	max;		/* Maximum frame interval [s] */
  	struct v4l2_fract	step;		/* Frame interval step size [s] */
  };
  
  struct v4l2_frmivalenum
  {
  	__u32			index;		/* Frame format index */
  	__u32			pixel_format;	/* Pixel format */
  	__u32			width;		/* Frame width */
  	__u32			height;		/* Frame height */
  	__u32			type;		/* Frame interval type the device supports. */
  
  	union {					/* Frame interval */
  		struct v4l2_fract		discrete;
  		struct v4l2_frmival_stepwise	stepwise;
  	};
  
  	__u32	reserved[2];			/* Reserved space for future use */
  };
  #endif
  
  /*
   *	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 */
  
  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
  #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
  #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
  #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
  /*  Flags for the 'flags' field. */
  #define V4L2_FBUF_FLAG_PRIMARY		0x0001
  #define V4L2_FBUF_FLAG_OVERLAY		0x0002
  #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
  #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
  #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
  #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
  
  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;
  	__u8                    global_alpha;
  };
  
  /*
   *	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)
  
  /* FIXME:
     Although std_id is 64 bits, there is an issue on PPC32 architecture that
     makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
     this value to 32 bits.
     As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
     it should work fine. However, if needed to add more than two standards,
     v4l2-common.c should be fixed.
   */
  
  /* 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;
  };
  
  struct v4l2_ext_control
  {
  	__u32 id;
  	__u32 reserved2[2];
  	union {
  		__s32 value;
  		__s64 value64;
  		void *reserved;
  	};
  } __attribute__ ((packed));
  
  struct v4l2_ext_controls
  {
  	__u32 ctrl_class;
  	__u32 count;
  	__u32 error_idx;
  	__u32 reserved[2];
  	struct v4l2_ext_control *controls;
  };
  
  /*  Values for ctrl_class field */
  #define V4L2_CTRL_CLASS_USER 0x00980000	/* Old-style 'user' controls */
  #define V4L2_CTRL_CLASS_MPEG 0x00990000	/* MPEG-compression controls */
  #define V4L2_CTRL_CLASS_CAMERA 0x009a0000	/* Camera class controls */
  
  #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
  #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
  #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  
  /*  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
  #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
  #define V4L2_CTRL_FLAG_UPDATE 		0x0008
  #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
  #define V4L2_CTRL_FLAG_SLIDER 		0x0020
  
  /*  Query flag, to be ORed with the control ID */
  #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
  
  /*  User-class control IDs defined by V4L2 */
  #define V4L2_CID_BASE			(V4L2_CTRL_CLASS_USER | 0x900)
  #define V4L2_CID_USER_BASE 		V4L2_CID_BASE
  /*  IDs reserved for driver specific controls */
  #define V4L2_CID_PRIVATE_BASE		0x08000000
  
  #define V4L2_CID_USER_CLASS 		(V4L2_CTRL_CLASS_USER | 1)
  #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) /* Deprecated */
  #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) /* Deprecated */
  #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)
  
  /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
  #define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
  #define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
  
  #define V4L2_CID_POWER_LINE_FREQUENCY	(V4L2_CID_BASE+24)
  enum v4l2_power_line_frequency {
  	V4L2_CID_POWER_LINE_FREQUENCY_DISABLED	= 0,
  	V4L2_CID_POWER_LINE_FREQUENCY_50HZ	= 1,
  	V4L2_CID_POWER_LINE_FREQUENCY_60HZ	= 2,
  };
  #define V4L2_CID_HUE_AUTO			(V4L2_CID_BASE+25)
  #define V4L2_CID_WHITE_BALANCE_TEMPERATURE	(V4L2_CID_BASE+26)
  #define V4L2_CID_SHARPNESS			(V4L2_CID_BASE+27)
  #define V4L2_CID_BACKLIGHT_COMPENSATION 	(V4L2_CID_BASE+28)
  #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
  #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
  /* last CID + 1 */
  #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+31)
  
  /*  MPEG-class control IDs defined by V4L2 */
  #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)
  #define V4L2_CID_MPEG_CLASS 			(V4L2_CTRL_CLASS_MPEG | 1)
  
  /*  MPEG streams */
  #define V4L2_CID_MPEG_STREAM_TYPE 		(V4L2_CID_MPEG_BASE+0)
  enum v4l2_mpeg_stream_type {
  	V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
  	V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
  	V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
  	V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
  	V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
  	V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
  };
  #define V4L2_CID_MPEG_STREAM_PID_PMT 		(V4L2_CID_MPEG_BASE+1)
  #define V4L2_CID_MPEG_STREAM_PID_AUDIO 		(V4L2_CID_MPEG_BASE+2)
  #define V4L2_CID_MPEG_STREAM_PID_VIDEO 		(V4L2_CID_MPEG_BASE+3)
  #define V4L2_CID_MPEG_STREAM_PID_PCR 		(V4L2_CID_MPEG_BASE+4)
  #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO 	(V4L2_CID_MPEG_BASE+5)
  #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO 	(V4L2_CID_MPEG_BASE+6)
  #define V4L2_CID_MPEG_STREAM_VBI_FMT 		(V4L2_CID_MPEG_BASE+7)
  enum v4l2_mpeg_stream_vbi_fmt {
  	V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
  	V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
  };
  
  /*  MPEG audio */
  #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ 	(V4L2_CID_MPEG_BASE+100)
  enum v4l2_mpeg_audio_sampling_freq {
  	V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
  	V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
  	V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
  };
  #define V4L2_CID_MPEG_AUDIO_ENCODING 		(V4L2_CID_MPEG_BASE+101)
  enum v4l2_mpeg_audio_encoding {
  	V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
  	V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
  	V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
  	V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
  };
  #define V4L2_CID_MPEG_AUDIO_L1_BITRATE 		(V4L2_CID_MPEG_BASE+102)
  enum v4l2_mpeg_audio_l1_bitrate {
  	V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
  	V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
  	V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
  	V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
  	V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
  	V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
  	V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
  	V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
  	V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
  	V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
  	V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
  	V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
  	V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
  	V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
  };
  #define V4L2_CID_MPEG_AUDIO_L2_BITRATE 		(V4L2_CID_MPEG_BASE+103)
  enum v4l2_mpeg_audio_l2_bitrate {
  	V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
  	V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
  	V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
  	V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
  	V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
  	V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
  	V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
  	V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
  	V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
  	V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
  	V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
  	V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
  	V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
  	V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
  };
  #define V4L2_CID_MPEG_AUDIO_L3_BITRATE 		(V4L2_CID_MPEG_BASE+104)
  enum v4l2_mpeg_audio_l3_bitrate {
  	V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
  	V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
  	V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
  	V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
  	V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
  	V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
  	V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
  	V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
  	V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
  	V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
  	V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
  	V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
  	V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
  	V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
  };
  #define V4L2_CID_MPEG_AUDIO_MODE 		(V4L2_CID_MPEG_BASE+105)
  enum v4l2_mpeg_audio_mode {
  	V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
  	V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
  	V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
  	V4L2_MPEG_AUDIO_MODE_MONO         = 3,
  };
  #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION 	(V4L2_CID_MPEG_BASE+106)
  enum v4l2_mpeg_audio_mode_extension {
  	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
  	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
  	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
  	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
  };
  #define V4L2_CID_MPEG_AUDIO_EMPHASIS 		(V4L2_CID_MPEG_BASE+107)
  enum v4l2_mpeg_audio_emphasis {
  	V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
  	V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
  	V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
  };
  #define V4L2_CID_MPEG_AUDIO_CRC 		(V4L2_CID_MPEG_BASE+108)
  enum v4l2_mpeg_audio_crc {
  	V4L2_MPEG_AUDIO_CRC_NONE  = 0,
  	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
  };
  #define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
  
  /*  MPEG video */
  #define V4L2_CID_MPEG_VIDEO_ENCODING 		(V4L2_CID_MPEG_BASE+200)
  enum v4l2_mpeg_video_encoding {
  	V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
  	V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
  	V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
  };
  #define V4L2_CID_MPEG_VIDEO_ASPECT 		(V4L2_CID_MPEG_BASE+201)
  enum v4l2_mpeg_video_aspect {
  	V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
  	V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
  	V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
  	V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
  };
  #define V4L2_CID_MPEG_VIDEO_B_FRAMES 		(V4L2_CID_MPEG_BASE+202)
  #define V4L2_CID_MPEG_VIDEO_GOP_SIZE 		(V4L2_CID_MPEG_BASE+203)
  #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE 	(V4L2_CID_MPEG_BASE+204)
  #define V4L2_CID_MPEG_VIDEO_PULLDOWN 		(V4L2_CID_MPEG_BASE+205)
  #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE 	(V4L2_CID_MPEG_BASE+206)
  enum v4l2_mpeg_video_bitrate_mode {
  	V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
  	V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
  };
  #define V4L2_CID_MPEG_VIDEO_BITRATE 		(V4L2_CID_MPEG_BASE+207)
  #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK 	(V4L2_CID_MPEG_BASE+208)
  #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
  #define V4L2_CID_MPEG_VIDEO_MUTE 		(V4L2_CID_MPEG_BASE+210)
  #define V4L2_CID_MPEG_VIDEO_MUTE_YUV 		(V4L2_CID_MPEG_BASE+211)
  
  /*  MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */
  #define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+0)
  enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
  	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
  	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
  };
  #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+1)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+2)
  enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
  	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
  	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
  	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
  	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
  	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
  };
  #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+3)
  enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
  	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
  	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
  };
  #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+4)
  enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
  	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
  	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
  };
  #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+5)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE 		(V4L2_CID_MPEG_CX2341X_BASE+6)
  enum v4l2_mpeg_cx2341x_video_median_filter_type {
  	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
  	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
  	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
  	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
  	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
  };
  #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM 	(V4L2_CID_MPEG_CX2341X_BASE+7)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+8)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM	(V4L2_CID_MPEG_CX2341X_BASE+9)
  #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+10)
  #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS 	(V4L2_CID_MPEG_CX2341X_BASE+11)
  
  /*  Camera class control IDs */
  #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
  #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)
  
  #define V4L2_CID_EXPOSURE_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+1)
  enum  v4l2_exposure_auto_type {
  	V4L2_EXPOSURE_AUTO = 0,
  	V4L2_EXPOSURE_MANUAL = 1,
  	V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
  	V4L2_EXPOSURE_APERTURE_PRIORITY = 3
  };
  #define V4L2_CID_EXPOSURE_ABSOLUTE		(V4L2_CID_CAMERA_CLASS_BASE+2)
  #define V4L2_CID_EXPOSURE_AUTO_PRIORITY		(V4L2_CID_CAMERA_CLASS_BASE+3)
  
  #define V4L2_CID_PAN_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+4)
  #define V4L2_CID_TILT_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+5)
  #define V4L2_CID_PAN_RESET			(V4L2_CID_CAMERA_CLASS_BASE+6)
  #define V4L2_CID_TILT_RESET			(V4L2_CID_CAMERA_CLASS_BASE+7)
  
  #define V4L2_CID_PAN_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+8)
  #define V4L2_CID_TILT_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+9)
  
  #define V4L2_CID_FOCUS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+10)
  #define V4L2_CID_FOCUS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+11)
  #define V4L2_CID_FOCUS_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+12)
  
  /*
   *	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];
  };
  
  struct v4l2_hw_freq_seek {
  	__u32		      tuner;
  	enum v4l2_tuner_type  type;
  	__u32		      seek_upward;
  	__u32		      wrap_around;
  	__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];
  };
  
  /*
   *	M P E G   S E R V I C E S
   *
   *	NOTE: EXPERIMENTAL API
   */
  #if 1 /*KEEP*/
  #define V4L2_ENC_IDX_FRAME_I    (0)
  #define V4L2_ENC_IDX_FRAME_P    (1)
  #define V4L2_ENC_IDX_FRAME_B    (2)
  #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  
  struct v4l2_enc_idx_entry {
  	__u64 offset;
  	__u64 pts;
  	__u32 length;
  	__u32 flags;
  	__u32 reserved[2];
  };
  
  #define V4L2_ENC_IDX_ENTRIES (64)
  struct v4l2_enc_idx {
  	__u32 entries;
  	__u32 entries_cap;
  	__u32 reserved[4];
  	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  };
  
  
  #define V4L2_ENC_CMD_START      (0)
  #define V4L2_ENC_CMD_STOP       (1)
  #define V4L2_ENC_CMD_PAUSE      (2)
  #define V4L2_ENC_CMD_RESUME     (3)
  
  /* Flags for V4L2_ENC_CMD_STOP */
  #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
  
  struct v4l2_encoder_cmd {
  	__u32 cmd;
  	__u32 flags;
  	union {
  		struct {
  			__u32 data[8];
  		} raw;
  	};
  };
  
  #endif
  
  
  /*
   *	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)
  
  /* 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];
  	enum v4l2_buf_type type;
  	__u32   reserved[3];    /* 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];
  };
  
  /*
   *	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
  		struct v4l2_sliced_vbi_format	sliced;  // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
  		__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;
  };
  
  /*
   *	A D V A N C E D   D E B U G G I N G
   *
   *	NOTE: EXPERIMENTAL API
   */
  
  /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  
  #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
  #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver ID */
  #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
  
  struct v4l2_register {
  	__u32 match_type; /* Match type */
  	__u32 match_chip; /* Match this chip, meaning determined by match_type */
  	__u64 reg;
  	__u64 val;
  };
  
  /* VIDIOC_G_CHIP_IDENT */
  struct v4l2_chip_ident {
  	__u32 match_type;  /* Match type */
  	__u32 match_chip;  /* Match this chip, meaning determined by match_type */
  	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
  	__u32 revision;    /* chip revision, chip specific */
  };
  
  /*
   *	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_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)
  #define VIDIOC_G_SLICED_VBI_CAP _IOWR ('V', 69, struct v4l2_sliced_vbi_cap)
  #define VIDIOC_LOG_STATUS       _IO   ('V', 70)
  #define VIDIOC_G_EXT_CTRLS	_IOWR ('V', 71, struct v4l2_ext_controls)
  #define VIDIOC_S_EXT_CTRLS	_IOWR ('V', 72, struct v4l2_ext_controls)
  #define VIDIOC_TRY_EXT_CTRLS	_IOWR ('V', 73, struct v4l2_ext_controls)
  #if 1 /*KEEP*/
  #define VIDIOC_ENUM_FRAMESIZES	_IOWR ('V', 74, struct v4l2_frmsizeenum)
  #define VIDIOC_ENUM_FRAMEINTERVALS	_IOWR ('V', 75, struct v4l2_frmivalenum)
  #define VIDIOC_G_ENC_INDEX      _IOR  ('V', 76, struct v4l2_enc_idx)
  #define VIDIOC_ENCODER_CMD      _IOWR ('V', 77, struct v4l2_encoder_cmd)
  #define VIDIOC_TRY_ENCODER_CMD  _IOWR ('V', 78, struct v4l2_encoder_cmd)
  
  /* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
  #define	VIDIOC_DBG_S_REGISTER 	_IOW  ('V', 79, struct v4l2_register)
  #define	VIDIOC_DBG_G_REGISTER 	_IOWR ('V', 80, struct v4l2_register)
  
  #define VIDIOC_G_CHIP_IDENT     _IOWR ('V', 81, struct v4l2_chip_ident)
  #endif
  #define VIDIOC_S_HW_FREQ_SEEK	_IOW  ('V', 82, struct v4l2_hw_freq_seek)
  
  #ifdef __OLD_VIDIOC_
  /* 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)
  #endif
  
  #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
  
  #endif /* __LINUX_VIDEODEV2_H */
  
  /*
   * Local variables:
   * c-basic-offset: 8
   * End:
   */
  