rt-thread/bsp/allwinner/libraries/sunxi-hal/hal/source/usb/uvc/Include/videodev2.h

/*
********************************************************************************
*                                USB UVC Driver
*
*                (c) Copyright 2006-2010, All winners Co,Ld.
*                        All Right Reserved
*
* FileName      :  uvc_v4l2.h
*
* Author        :  Kingvan
*
* Date          :  2013/03/26
*
* Description   :  USB VIDEO CONTROL Driver中对USB接口设备的处理
*
* Others        :  NULL
*
* History:
*       <time>          <author>     <version >     <desc>
*      2013.03.26       Kingvan         1.0         build this file
*
********************************************************************************
*/

#ifndef __USB_UVC_V4L4_h__
#define __USB_UVC_V4L4_h__


/*
 * Common stuff for both V4L1 and V4L2
 * Moved from videodev.h
 */
#define VIDEO_MAX_FRAME               32
#define VIDEO_MAX_PLANES               8

/*
 *  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) | ((__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
    /* Experimental */
    V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
#endif
    V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
    V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
    V4L2_BUF_TYPE_PRIVATE              = 0x80,
};

#define V4L2_TYPE_IS_MULTIPLANAR(type)          \
    ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE   \
     || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)

#define V4L2_TYPE_IS_OUTPUT(type)               \
    ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT           \
     || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE     \
     || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY       \
     || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY    \
     || (type) == V4L2_BUF_TYPE_VBI_OUTPUT          \
     || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)

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_RDS_OUTPUT     0x00000800  /* Is an RDS encoder */

/* Is a video capture device that supports multiplanar formats */
#define V4L2_CAP_VIDEO_CAPTURE_MPLANE   0x00001000
/* Is a video output device that supports multiplanar formats */
#define V4L2_CAP_VIDEO_OUTPUT_MPLANE    0x00002000

#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_MODULATOR      0x00080000  /* has a modulator */

#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
 */

/* Add pixel size struct by raymonxiu */
struct v4l2_pix_size {
    __u32           width;
    __u32           height;
};

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  */

/* RGB formats */
#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_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6     */
#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   */

/* Grey formats */
#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
#define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
#define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
#define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
#define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
#define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */

/* Grey bit-packed formats */
#define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */

/* Palette formats */
#define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */

/* Luminance+Chrominance formats */
#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_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', '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   */
#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_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 */
#define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */

/* 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  */
#define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */

/* two non contiguous planes - one Y, one Cr + Cb interleaved  */
#define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
#define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */

/* three non contiguous planes - Y, Cb, Cr */
#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */

/* Bayer formats - 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_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
    /* 10bit raw bayer DPCM compressed to 8 bits */
#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
    /*
     * 10bit raw bayer, expanded to 16 bits
     * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
     */
#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_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
#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_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
#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_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
#define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
#define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
#define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
#define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
#define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
#define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
#define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
#define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
#define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
#define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
#define V4L2_PIX_FMT_JPGL   v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */

/*
 *  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
#define V4L2_FMT_FLAG_EMULATED   0x0002

#if 1
    /* 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;
    }un;

    __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;
    }un;

    __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 applications 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_plane - plane info for multi-planar buffers
 * @bytesused:      number of bytes occupied by data in the plane (payload)
 * @length:     size of this plane (NOT the payload) in bytes
 * @mem_offset:     when memory in the associated struct v4l2_buffer is
 *          V4L2_MEMORY_MMAP, equals the offset from the start of
 *          the device memory for this plane (or is a "cookie" that
 *          should be passed to mmap() called on the video node)
 * @userptr:        when memory is V4L2_MEMORY_USERPTR, a userspace pointer
 *          pointing to this plane
 * @data_offset:    offset in the plane to the start of data; usually 0,
 *          unless there is a header in front of the data
 *
 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
 * with two planes can have one plane for Y, and another for interleaved CbCr
 * components. Each plane can reside in a separate memory buffer, or even in
 * a completely separate memory node (e.g. in embedded devices).
 */
struct v4l2_plane {
    __u32           bytesused;
    __u32           length;
    union {
        __u32       mem_offset;
        unsigned long   userptr;
    } m;
    __u32           data_offset;
    __u32           reserved[11];
};

/**
 * struct v4l2_buffer - video buffer info
 * @index:  id number of the buffer
 * @type:   buffer type (type == *_MPLANE for multiplanar buffers)
 * @bytesused:  number of bytes occupied by data in the buffer (payload);
 *      unused (set to 0) for multiplanar buffers
 * @flags:  buffer informational flags
 * @field:  field order of the image in the buffer
 * @timestamp:  frame timestamp
 * @timecode:   frame timecode
 * @sequence:   sequence count of this frame
 * @memory: the method, in which the actual video data is passed
 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
 *      offset from the start of the device memory for this plane,
 *      (or a "cookie" that should be passed to mmap() as offset)
 * @userptr:    for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
 *      a userspace pointer pointing to this buffer
 * @planes: for multiplanar buffers; userspace pointer to the array of plane
 *      info structs for this buffer
 * @length: size in bytes of the buffer (NOT its payload) for single-plane
 *      buffers (when type != *_MPLANE); number of elements in the
 *      planes array for multi-plane buffers
 * @input:  input number from which the video data has has been captured
 *
 * Contains data exchanged by application and driver using one of the Streaming
 * I/O methods.
 */
//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;
//      struct v4l2_plane *planes;
//  } 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 */
/* Buffer is ready, but the data contained within is corrupted. */
#define V4L2_BUF_FLAG_ERROR 0x0040
#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
#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
/*  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
#define V4L2_FBUF_FLAG_SRC_CHROMAKEY    0x0040

struct v4l2_clip {
    struct v4l2_rect        c;
    struct v4l2_clip     *next;
};

struct v4l2_window {
    struct v4l2_rect        w;
    enum v4l2_field     field;
    __u32           chromakey;
    struct v4l2_clip     *clips;
    __u32           clipcount;
    void             *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_MODE_VIDEO             0x0002  /*  For video capture */
#define V4L2_MODE_IMAGE             0x0003  /*  For image capture */
#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   T I M I N G S   D V P R E S E T
 */
struct v4l2_dv_preset {
    __u32   preset;
    __u32   reserved[4];
};

/*
 *  D V P R E S E T S   E N U M E R A T I O N
 */
struct v4l2_dv_enum_preset {
    __u32   index;
    __u32   preset;
    __u8    name[32]; /* Name of the preset timing */
    __u32   width;
    __u32   height;
    __u32   reserved[4];
};

/*
 *  D V P R E S E T V A L U E S
 */
#define     V4L2_DV_INVALID     0
#define     V4L2_DV_480P59_94   1 /* BT.1362 */
#define     V4L2_DV_576P50      2 /* BT.1362 */
#define     V4L2_DV_720P24      3 /* SMPTE 296M */
#define     V4L2_DV_720P25      4 /* SMPTE 296M */
#define     V4L2_DV_720P30      5 /* SMPTE 296M */
#define     V4L2_DV_720P50      6 /* SMPTE 296M */
#define     V4L2_DV_720P59_94   7 /* SMPTE 274M */
#define     V4L2_DV_720P60      8 /* SMPTE 274M/296M */
#define     V4L2_DV_1080I29_97  9 /* BT.1120/ SMPTE 274M */
#define     V4L2_DV_1080I30     10 /* BT.1120/ SMPTE 274M */
#define     V4L2_DV_1080I25     11 /* BT.1120 */
#define     V4L2_DV_1080I50     12 /* SMPTE 296M */
#define     V4L2_DV_1080I60     13 /* SMPTE 296M */
#define     V4L2_DV_1080P24     14 /* SMPTE 296M */
#define     V4L2_DV_1080P25     15 /* SMPTE 296M */
#define     V4L2_DV_1080P30     16 /* SMPTE 296M */
#define     V4L2_DV_1080P50     17 /* BT.1120 */
#define     V4L2_DV_1080P60     18 /* BT.1120 */

/*
 *  D V     B T T I M I N G S
 */

/* BT.656/BT.1120 timing data */
__packed struct v4l2_bt_timings {
    __u32   width;      /* width in pixels */
    __u32   height;     /* height in lines */
    __u32   interlaced; /* Interlaced or progressive */
    __u32   polarities; /* Positive or negative polarity */
    __u64   pixelclock; /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */
    __u32   hfrontporch;    /* Horizpontal front porch in pixels */
    __u32   hsync;      /* Horizontal Sync length in pixels */
    __u32   hbackporch; /* Horizontal back porch in pixels */
    __u32   vfrontporch;    /* Vertical front porch in pixels */
    __u32   vsync;      /* Vertical Sync length in lines */
    __u32   vbackporch; /* Vertical back porch in lines */
    __u32   il_vfrontporch; /* Vertical front porch for bottom field of
                 * interlaced field formats
                 */
    __u32   il_vsync;   /* Vertical sync length for bottom field of
                 * interlaced field formats
                 */
    __u32   il_vbackporch;  /* Vertical back porch for bottom field of
                 * interlaced field formats
                 */
    __u32   reserved[16];
};

/* Interlaced or progressive format */
#define V4L2_DV_PROGRESSIVE 0
#define V4L2_DV_INTERLACED  1

/* Polarities. If bit is not set, it is assumed to be negative polarity */
#define V4L2_DV_VSYNC_POS_POL   0x00000001
#define V4L2_DV_HSYNC_POS_POL   0x00000002


///* DV timings */
//__packed struct v4l2_dv_timings {
//  __u32 type;
//  union {
//      struct v4l2_bt_timings  bt;
//      __u32   reserved[32];
//  };
//};

/* Values for the type field */
#define V4L2_DV_BT_656_1120 0   /* BT.656/1120 timing type */

/*
 *  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        capabilities;
    __u32        reserved[3];
};

/*  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' - sensor orientation */
/* If sensor is mounted upside down set both bits */
#define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
#define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */

/* 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 */

/* capabilities flags */
#define V4L2_IN_CAP_PRESETS     0x00000001 /* Supports S_DV_PRESET */
#define V4L2_IN_CAP_CUSTOM_TIMINGS  0x00000002 /* Supports S_DV_TIMINGS */
#define V4L2_IN_CAP_STD         0x00000004 /* Supports S_STD */

/*
 *  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        capabilities;
    __u32        reserved[3];
};
/*  Values for the 'type' field */
#define V4L2_OUTPUT_TYPE_MODULATOR      1
#define V4L2_OUTPUT_TYPE_ANALOG         2
#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY   3

/* capabilities flags */
#define V4L2_OUT_CAP_PRESETS        0x00000001 /* Supports S_DV_PRESET */
#define V4L2_OUT_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
#define V4L2_OUT_CAP_STD        0x00000004 /* Supports S_STD */

/*
 *  C O N T R O L S
 */
struct v4l2_control {
    __u32            id;
    __s32            value;
    __u32                user_pt;   /* Add user pointer by raymonxiu */
};

//__packed struct v4l2_ext_control {
//  __u32 id;
//  __u32 size;
//  __u32 reserved2[1];
//  union {
//      __s32 value;
//      __s64 value64;
//      char *string;
//  };
//};

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_CLASS_FM_TX 0x009b0000    /* FM Modulator control class */

#define V4L2_CTRL_ID_MASK         (0x0fffffff)
#define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)

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,
    V4L2_CTRL_TYPE_STRING        = 7,
};

/*  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
#define V4L2_CTRL_FLAG_WRITE_ONLY   0x0040

/*  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)
enum v4l2_whiteblance {
    V4L2_WB_AUTO = 0,
    V4L2_WB_CLOUD = 1,
    V4L2_WB_DAYLIGHT = 2,
    V4L2_WB_INCANDESCENCE = 3,
    V4L2_WB_FLUORESCENT = 4,
    V4L2_WB_TUNGSTEN = 5,
};
#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)
#define V4L2_CID_COLORFX            (V4L2_CID_BASE+31)
enum v4l2_colorfx {
    V4L2_COLORFX_NONE   = 0,
    V4L2_COLORFX_BW     = 1,
    V4L2_COLORFX_SEPIA  = 2,
    V4L2_COLORFX_NEGATIVE = 3,
    V4L2_COLORFX_EMBOSS = 4,
    V4L2_COLORFX_SKETCH = 5,
    V4L2_COLORFX_SKY_BLUE = 6,
    V4L2_COLORFX_GRASS_GREEN = 7,
    V4L2_COLORFX_SKIN_WHITEN = 8,
    V4L2_COLORFX_VIVID = 9,
};
#define V4L2_CID_AUTOBRIGHTNESS         (V4L2_CID_BASE+32)
#define V4L2_CID_BAND_STOP_FILTER       (V4L2_CID_BASE+33)

#define V4L2_CID_ROTATE             (V4L2_CID_BASE+34)
#define V4L2_CID_BG_COLOR           (V4L2_CID_BASE+35)

#define V4L2_CID_CHROMA_GAIN                    (V4L2_CID_BASE+36)

#define V4L2_CID_ILLUMINATORS_1         (V4L2_CID_BASE+37)
#define V4L2_CID_ILLUMINATORS_2         (V4L2_CID_BASE+38)

/* last CID + 1 */
#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+39)
/* Add camera flash light by raymonxiu */
#define V4L2_CID_CAMERA_FLASH_MODE              (V4L2_CID_PRIVATE_BASE+0)
enum v4l2_flash_mode {
    V4L2_FLASH_MODE_OFF = 0,
    V4L2_FLASH_MODE_AUTO = 1,
    V4L2_FLASH_MODE_ON = 2,
    V4L2_FLASH_MODE_TORCH = 3,
    V4L2_FLASH_MODE_RED_EYE = 4,
};
/* Add camera autofocus mode by raymonxiu */
#define V4L2_CID_CAMERA_AF_MODE              (V4L2_CID_PRIVATE_BASE+1)
enum v4l2_autofocus_mode {
    V4L2_AF_FIXED = 0,
    V4L2_AF_INFINITY = 1,
    V4L2_AF_MACRO = 2,
    V4L2_AF_AUTO = 3,
    V4L2_AF_TOUCH = 4,
    V4L2_AF_FACE = 5,
};
/* Add camera autofocus ctrl by raymonxiu */
#define V4L2_CID_CAMERA_AF_CTRL              (V4L2_CID_PRIVATE_BASE+2)
enum v4l2_autofocus_ctrl {
    V4L2_AF_INIT = 0,
    V4L2_AF_RELEASE = 1,
    V4L2_AF_TRIG_SINGLE = 2,
    V4L2_AF_TRIG_CONTINUEOUS = 3,
    V4L2_AF_LOCK = 4,
    V4L2_AF_WIN_XY = 5,
    V4L2_AF_WIN_NUM = 6,
};

/*  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,
    V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
};
#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)
#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE     (V4L2_CID_MPEG_BASE+110)
#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE     (V4L2_CID_MPEG_BASE+111)
enum v4l2_mpeg_audio_ac3_bitrate {
    V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
    V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
    V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
    V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
    V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
    V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
    V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
    V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
    V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
    V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
    V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
    V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
    V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
    V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
    V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
    V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
    V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
    V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
    V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
};

/*  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 CX2341x 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)

#define V4L2_CID_ZOOM_ABSOLUTE          (V4L2_CID_CAMERA_CLASS_BASE+13)
#define V4L2_CID_ZOOM_RELATIVE          (V4L2_CID_CAMERA_CLASS_BASE+14)
#define V4L2_CID_ZOOM_CONTINUOUS        (V4L2_CID_CAMERA_CLASS_BASE+15)

#define V4L2_CID_PRIVACY            (V4L2_CID_CAMERA_CLASS_BASE+16)

#define V4L2_CID_IRIS_ABSOLUTE          (V4L2_CID_CAMERA_CLASS_BASE+17)
#define V4L2_CID_IRIS_RELATIVE          (V4L2_CID_CAMERA_CLASS_BASE+18)

/* FM Modulator class control IDs */
#define V4L2_CID_FM_TX_CLASS_BASE       (V4L2_CTRL_CLASS_FM_TX | 0x900)
#define V4L2_CID_FM_TX_CLASS            (V4L2_CTRL_CLASS_FM_TX | 1)

#define V4L2_CID_RDS_TX_DEVIATION       (V4L2_CID_FM_TX_CLASS_BASE + 1)
#define V4L2_CID_RDS_TX_PI          (V4L2_CID_FM_TX_CLASS_BASE + 2)
#define V4L2_CID_RDS_TX_PTY         (V4L2_CID_FM_TX_CLASS_BASE + 3)
#define V4L2_CID_RDS_TX_PS_NAME         (V4L2_CID_FM_TX_CLASS_BASE + 5)
#define V4L2_CID_RDS_TX_RADIO_TEXT      (V4L2_CID_FM_TX_CLASS_BASE + 6)

#define V4L2_CID_AUDIO_LIMITER_ENABLED      (V4L2_CID_FM_TX_CLASS_BASE + 64)
#define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 65)
#define V4L2_CID_AUDIO_LIMITER_DEVIATION    (V4L2_CID_FM_TX_CLASS_BASE + 66)

#define V4L2_CID_AUDIO_COMPRESSION_ENABLED  (V4L2_CID_FM_TX_CLASS_BASE + 80)
#define V4L2_CID_AUDIO_COMPRESSION_GAIN     (V4L2_CID_FM_TX_CLASS_BASE + 81)
#define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD    (V4L2_CID_FM_TX_CLASS_BASE + 82)
#define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME  (V4L2_CID_FM_TX_CLASS_BASE + 83)
#define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FM_TX_CLASS_BASE + 84)

#define V4L2_CID_PILOT_TONE_ENABLED     (V4L2_CID_FM_TX_CLASS_BASE + 96)
#define V4L2_CID_PILOT_TONE_DEVIATION       (V4L2_CID_FM_TX_CLASS_BASE + 97)
#define V4L2_CID_PILOT_TONE_FREQUENCY       (V4L2_CID_FM_TX_CLASS_BASE + 98)

#define V4L2_CID_TUNE_PREEMPHASIS       (V4L2_CID_FM_TX_CLASS_BASE + 112)
enum v4l2_preemphasis {
    V4L2_PREEMPHASIS_DISABLED   = 0,
    V4L2_PREEMPHASIS_50_uS      = 1,
    V4L2_PREEMPHASIS_75_uS      = 2,
};
#define V4L2_CID_TUNE_POWER_LEVEL       (V4L2_CID_FM_TX_CLASS_BASE + 113)
#define V4L2_CID_TUNE_ANTENNA_CAPACITOR     (V4L2_CID_FM_TX_CLASS_BASE + 114)

/*
 *  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
#define V4L2_TUNER_CAP_RDS      0x0080
#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200

/*  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
#define V4L2_TUNER_SUB_RDS      0x0010

/*  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             spacing;
    __u32             reserved[7];
};

/*
 *  R D S
 */

__packed struct v4l2_rds_data {
    __u8    lsb;
    __u8    msb;
    __u8    block;
};

#define V4L2_RDS_BLOCK_MSK   0x7
#define V4L2_RDS_BLOCK_A     0
#define V4L2_RDS_BLOCK_B     1
#define V4L2_RDS_BLOCK_C     2
#define V4L2_RDS_BLOCK_D     3
#define V4L2_RDS_BLOCK_C_ALT     4
#define V4L2_RDS_BLOCK_INVALID   7

#define V4L2_RDS_BLOCK_CORRECTED 0x40
#define V4L2_RDS_BLOCK_ERROR     0x80

/*
 *  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
#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;
    }un;
};

#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];
};

/*
 * Sliced VBI data inserted into MPEG Streams
 */

/*
 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
 *
 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
 * data
 *
 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
 * definitions are not included here.  See the MPEG-2 specifications for details
 * on these headers.
 */

/* Line type IDs */
#define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
#define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
#define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
#define V4L2_MPEG_VBI_IVTV_VPS            (7)

__packed struct v4l2_mpeg_vbi_itv0_line {
    __u8 id;    /* One of V4L2_MPEG_VBI_IVTV_* above */
    __u8 data[42];  /* Sliced VBI data for the line */
};

__packed struct v4l2_mpeg_vbi_itv0 {
    __u32 linemask[2]; /* Bitmasks of VBI service lines present */
    struct v4l2_mpeg_vbi_itv0_line line[35];
};

__packed struct v4l2_mpeg_vbi_ITV0 {
    struct v4l2_mpeg_vbi_itv0_line line[36];
};

#define V4L2_MPEG_VBI_IVTV_MAGIC0   "itv0"
#define V4L2_MPEG_VBI_IVTV_MAGIC1   "ITV0"

//__packed struct v4l2_mpeg_vbi_fmt_ivtv {
//  __u8 magic[4];
//  union {
//      struct v4l2_mpeg_vbi_itv0 itv0;
//      struct v4l2_mpeg_vbi_ITV0 ITV0;
//  };
//};

/*
 *  A G G R E G A T E   S T R U C T U R E S
 */

/**
 * struct v4l2_plane_pix_format - additional, per-plane format definition
 * @sizeimage:      maximum size in bytes required for data, for which
 *          this plane will be used
 * @bytesperline:   distance in bytes between the leftmost pixels in two
 *          adjacent lines
 */
__packed struct v4l2_plane_pix_format {
    __u32       sizeimage;
    __u16       bytesperline;
    __u16       reserved[7];
};

/**
 * struct v4l2_pix_format_mplane - multiplanar format definition
 * @width:      image width in pixels
 * @height:     image height in pixels
 * @pixelformat:    little endian four character code (fourcc)
 * @field:      field order (for interlaced video)
 * @colorspace:     supplemental to pixelformat
 * @plane_fmt:      per-plane information
 * @num_planes:     number of planes for this format
 */
__packed struct v4l2_pix_format_mplane {
    __u32               width;
    __u32               height;
    __u32               pixelformat;
    enum v4l2_field         field;
    enum v4l2_colorspace        colorspace;

    struct v4l2_plane_pix_format    plane_fmt[VIDEO_MAX_PLANES];
    __u8                num_planes;
    __u8                reserved[11];
};

/**
 * struct v4l2_format - stream data format
 * @type:   type of the data stream
 * @pix:    definition of an image format
 * @pix_mp: definition of a multiplanar image format
 * @win:    definition of an overlaid image
 * @vbi:    raw VBI capture or output parameters
 * @sliced: sliced VBI capture or output parameters
 * @raw_data:   placeholder for future extensions and custom formats
 */
struct v4l2_format {
    enum v4l2_buf_type type;
    union {
        struct v4l2_pix_format      pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
        struct v4l2_pix_format_mplane   pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
        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;
};

/*
 *  E V E N T S
 */

#define V4L2_EVENT_ALL              0
#define V4L2_EVENT_VSYNC            1
#define V4L2_EVENT_EOS              2
#define V4L2_EVENT_PRIVATE_START        0x08000000

/* Payload for V4L2_EVENT_VSYNC */
__packed struct v4l2_event_vsync {
    /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
    __u8 field;
};

//struct v4l2_event {
//  __u32               type;
//  union {
//      struct v4l2_event_vsync vsync;
//      __u8            data[64];
//  } u;
//  __u32               pending;
//  __u32               sequence;
//  struct timespec         timestamp;
//  __u32               reserved[9];
//};

struct v4l2_event_subscription {
    __u32               type;
    __u32               reserved[7];
};

/*
 *  A D V A N C E D   D E B U G G I N G
 *
 *  NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
 *  FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
 */

/* 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 name */
#define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
#define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */

__packed struct v4l2_dbg_match {
    __u32 type; /* Match type */
    union {     /* Match this chip, meaning determined by type */
        __u32 addr;
        char name[32];
    };
};

__packed struct v4l2_dbg_register {
    struct v4l2_dbg_match match;
    __u32 size; /* register size in bytes */
    __u64 reg;
    __u64 val;
};

/* VIDIOC_DBG_G_CHIP_IDENT */
__packed struct v4l2_dbg_chip_ident {
    struct v4l2_dbg_match match;
    __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            1
#define VIDIOC_RESERVED            2
#define VIDIOC_ENUM_FMT            3
#define VIDIOC_G_FMT               4
#define VIDIOC_S_FMT               5
#define VIDIOC_REQBUFS             6
#define VIDIOC_QUERYBUF            7
#define VIDIOC_G_FBUF              8
#define VIDIOC_S_FBUF              9
#define VIDIOC_OVERLAY             10
#define VIDIOC_QBUF                11
#define VIDIOC_DQBUF               12
#define VIDIOC_STREAMON            13
#define VIDIOC_STREAMOFF           14
#define VIDIOC_G_PARM              15
#define VIDIOC_S_PARM              16
#define VIDIOC_G_STD               17
#define VIDIOC_S_STD               18
#define VIDIOC_ENUMSTD             19
#define VIDIOC_ENUMINPUT           20
#define VIDIOC_G_CTRL              21
#define VIDIOC_S_CTRL              22
#define VIDIOC_G_TUNER             23
#define VIDIOC_S_TUNER             24
#define VIDIOC_G_AUDIO             25
#define VIDIOC_S_AUDIO             26
#define VIDIOC_QUERYCTRL           27
#define VIDIOC_QUERYMENU           28
#define VIDIOC_G_INPUT             29
#define VIDIOC_S_INPUT             30
#define VIDIOC_G_OUTPUT            31
#define VIDIOC_S_OUTPUT            32
#define VIDIOC_ENUMOUTPUT          33
#define VIDIOC_G_AUDOUT            34
#define VIDIOC_S_AUDOUT            35
#define VIDIOC_G_MODULATOR         36
#define VIDIOC_S_MODULATOR         37
#define VIDIOC_G_FREQUENCY         38
#define VIDIOC_S_FREQUENCY         39
#define VIDIOC_CROPCAP             40
#define VIDIOC_G_CROP              41
#define VIDIOC_S_CROP              42
#define VIDIOC_G_JPEGCOMP          43
#define VIDIOC_S_JPEGCOMP          44
#define VIDIOC_QUERYSTD            45
#define VIDIOC_TRY_FMT             46
#define VIDIOC_ENUMAUDIO           47
#define VIDIOC_ENUMAUDOUT          48
#define VIDIOC_G_PRIORITY          49
#define VIDIOC_S_PRIORITY          50
#define VIDIOC_G_SLICED_VBI_CAP    51
#define VIDIOC_LOG_STATUS          52
#define VIDIOC_G_EXT_CTRLS         53
#define VIDIOC_S_EXT_CTRLS         54
#define VIDIOC_TRY_EXT_CTRLS       55
#if 1
#define VIDIOC_ENUM_FRAMESIZES     56
#define VIDIOC_ENUM_FRAMEINTERVALS 57
#define VIDIOC_G_ENC_INDEX         58
#define VIDIOC_ENCODER_CMD         59
#define VIDIOC_TRY_ENCODER_CMD     60
#endif

#if 1
/* Experimental, meant for debugging, testing and internal use.
   Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
   You must be root to use these ioctls. Never use these in applications! */
#define VIDIOC_DBG_S_REGISTER      61
#define VIDIOC_DBG_G_REGISTER      62

/* Experimental, meant for debugging, testing and internal use.
   Never use this ioctl in applications! */
#define VIDIOC_DBG_G_CHIP_IDENT    63
#endif

#define VIDIOC_S_HW_FREQ_SEEK      64
#define VIDIOC_ENUM_DV_PRESETS     65
#define VIDIOC_S_DV_PRESET         66
#define VIDIOC_G_DV_PRESET         67
#define VIDIOC_QUERY_DV_PRESET     68
#define VIDIOC_S_DV_TIMINGS        69
#define VIDIOC_G_DV_TIMINGS        70
#define VIDIOC_DQEVENT             71
#define VIDIOC_SUBSCRIBE_EVE       72
#define VIDIOC_UNSUBSCRIBE_EVENT   73

/* Reminder: when adding new ioctls please add support for them to
   drivers/media/video/v4l2-compat-ioctl32.c as well! */

#define BASE_VIDIOC_PRIVATE 192     /* 192-255 are private */






#endif