zig

videodev2.h (104113B) - Raw

---

 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
 /*
  *  Video for Linux Two header file
  *
  *  Copyright (C) 1999-2012 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 https://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
 
 #include <sys/time.h>
 
 #include <linux/ioctl.h>
 #include <linux/types.h>
 #include <linux/v4l2-common.h>
 #include <linux/v4l2-controls.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))
 #define v4l2_fourcc_be(a, b, c, d)	(v4l2_fourcc(a, b, c, d) | (1U << 31))
 
 /*
  *	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)
 #define V4L2_FIELD_HAS_T_OR_B(field)	\
 	((field) == V4L2_FIELD_BOTTOM ||\
 	 (field) == V4L2_FIELD_TOP ||\
 	 (field) == V4L2_FIELD_ALTERNATE)
 #define V4L2_FIELD_IS_INTERLACED(field) \
 	((field) == V4L2_FIELD_INTERLACED ||\
 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
 	 (field) == V4L2_FIELD_INTERLACED_BT)
 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
 	((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,
 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
 	V4L2_BUF_TYPE_SDR_CAPTURE          = 11,
 	V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
 	V4L2_BUF_TYPE_META_CAPTURE         = 13,
 	V4L2_BUF_TYPE_META_OUTPUT	   = 14,
 	/* Deprecated, do not use */
 	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		\
 	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
 
 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
 
 enum v4l2_tuner_type {
 	V4L2_TUNER_RADIO	     = 1,
 	V4L2_TUNER_ANALOG_TV	     = 2,
 	V4L2_TUNER_DIGITAL_TV	     = 3,
 	V4L2_TUNER_SDR               = 4,
 	V4L2_TUNER_RF                = 5,
 };
 
 /* Deprecated, do not use */
 #define V4L2_TUNER_ADC  V4L2_TUNER_SDR
 
 enum v4l2_memory {
 	V4L2_MEMORY_MMAP             = 1,
 	V4L2_MEMORY_USERPTR          = 2,
 	V4L2_MEMORY_OVERLAY          = 3,
 	V4L2_MEMORY_DMABUF           = 4,
 };
 
 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
 enum v4l2_colorspace {
 	/*
 	 * Default colorspace, i.e. let the driver figure it out.
 	 * Can only be used with video capture.
 	 */
 	V4L2_COLORSPACE_DEFAULT       = 0,
 
 	/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
 	V4L2_COLORSPACE_SMPTE170M     = 1,
 
 	/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
 	V4L2_COLORSPACE_SMPTE240M     = 2,
 
 	/* Rec.709: used for HDTV */
 	V4L2_COLORSPACE_REC709        = 3,
 
 	/*
 	 * Deprecated, do not use. No driver will ever return this. This was
 	 * based on a misunderstanding of the bt878 datasheet.
 	 */
 	V4L2_COLORSPACE_BT878         = 4,
 
 	/*
 	 * NTSC 1953 colorspace. This only makes sense when dealing with
 	 * really, really old NTSC recordings. Superseded by SMPTE 170M.
 	 */
 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
 
 	/*
 	 * EBU Tech 3213 PAL/SECAM colorspace.
 	 */
 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
 
 	/*
 	 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
 	 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
 	 */
 	V4L2_COLORSPACE_JPEG          = 7,
 
 	/* For RGB colorspaces such as produces by most webcams. */
 	V4L2_COLORSPACE_SRGB          = 8,
 
 	/* opRGB colorspace */
 	V4L2_COLORSPACE_OPRGB         = 9,
 
 	/* BT.2020 colorspace, used for UHDTV. */
 	V4L2_COLORSPACE_BT2020        = 10,
 
 	/* Raw colorspace: for RAW unprocessed images */
 	V4L2_COLORSPACE_RAW           = 11,
 
 	/* DCI-P3 colorspace, used by cinema projectors */
 	V4L2_COLORSPACE_DCI_P3        = 12,
 
 };
 
 /*
  * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
  * This depends on whether this is a SDTV image (use SMPTE 170M), an
  * HDTV image (use Rec. 709), or something else (use sRGB).
  */
 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
 	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
 	 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
 
 enum v4l2_xfer_func {
 	/*
 	 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
 	 * for the various colorspaces:
 	 *
 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
 	 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
 	 *
 	 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
 	 *
 	 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
 	 *
 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
 	 *
 	 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
 	 *
 	 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
 	 */
 	V4L2_XFER_FUNC_DEFAULT     = 0,
 	V4L2_XFER_FUNC_709         = 1,
 	V4L2_XFER_FUNC_SRGB        = 2,
 	V4L2_XFER_FUNC_OPRGB       = 3,
 	V4L2_XFER_FUNC_SMPTE240M   = 4,
 	V4L2_XFER_FUNC_NONE        = 5,
 	V4L2_XFER_FUNC_DCI_P3      = 6,
 	V4L2_XFER_FUNC_SMPTE2084   = 7,
 };
 
 /*
  * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
  * This depends on the colorspace.
  */
 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
 	((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
 	 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
 	  ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
 	   ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
 	    ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
 	     V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
 
 enum v4l2_ycbcr_encoding {
 	/*
 	 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
 	 * various colorspaces:
 	 *
 	 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
 	 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
 	 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
 	 *
 	 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
 	 *
 	 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
 	 *
 	 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
 	 */
 	V4L2_YCBCR_ENC_DEFAULT        = 0,
 
 	/* ITU-R 601 -- SDTV */
 	V4L2_YCBCR_ENC_601            = 1,
 
 	/* Rec. 709 -- HDTV */
 	V4L2_YCBCR_ENC_709            = 2,
 
 	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
 	V4L2_YCBCR_ENC_XV601          = 3,
 
 	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
 	V4L2_YCBCR_ENC_XV709          = 4,
 
 	/*
 	 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
 	 * originally due to a misunderstanding of the sYCC standard. It should
 	 * not be used, instead use V4L2_YCBCR_ENC_601.
 	 */
 	V4L2_YCBCR_ENC_SYCC           = 5,
 
 	/* BT.2020 Non-constant Luminance Y'CbCr */
 	V4L2_YCBCR_ENC_BT2020         = 6,
 
 	/* BT.2020 Constant Luminance Y'CbcCrc */
 	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
 
 	/* SMPTE 240M -- Obsolete HDTV */
 	V4L2_YCBCR_ENC_SMPTE240M      = 8,
 };
 
 /*
  * enum v4l2_hsv_encoding values should not collide with the ones from
  * enum v4l2_ycbcr_encoding.
  */
 enum v4l2_hsv_encoding {
 
 	/* Hue mapped to 0 - 179 */
 	V4L2_HSV_ENC_180		= 128,
 
 	/* Hue mapped to 0-255 */
 	V4L2_HSV_ENC_256		= 129,
 };
 
 /*
  * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  * This depends on the colorspace.
  */
 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
 	(((colsp) == V4L2_COLORSPACE_REC709 || \
 	  (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
 	 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
 	  ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
 	   V4L2_YCBCR_ENC_601)))
 
 enum v4l2_quantization {
 	/*
 	 * The default for R'G'B' quantization is always full range.
 	 * For Y'CbCr the quantization is always limited range, except
 	 * for COLORSPACE_JPEG: this is full range.
 	 */
 	V4L2_QUANTIZATION_DEFAULT     = 0,
 	V4L2_QUANTIZATION_FULL_RANGE  = 1,
 	V4L2_QUANTIZATION_LIM_RANGE   = 2,
 };
 
 /*
  * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
  * This depends on whether the image is RGB or not, the colorspace.
  * The Y'CbCr encoding is not used anymore, but is still there for backwards
  * compatibility.
  */
 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
 	(((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
 	 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
 
 /*
  * Deprecated names for opRGB colorspace (IEC 61966-2-5)
  *
  * WARNING: Please don't use these deprecated defines in your code, as
  * there is a chance we have to remove them in the future.
  */
 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
 #define V4L2_XFER_FUNC_ADOBERGB  V4L2_XFER_FUNC_OPRGB
 
 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;
 	__u32   width;
 	__u32   height;
 };
 
 struct v4l2_fract {
 	__u32   numerator;
 	__u32   denominator;
 };
 
 struct v4l2_area {
 	__u32   width;
 	__u32   height;
 };
 
 /**
   * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
   *
   * @driver:	   name of the driver module (e.g. "bttv")
   * @card:	   name of the card (e.g. "Hauppauge WinTV")
   * @bus_info:	   name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
   * @version:	   KERNEL_VERSION
   * @capabilities: capabilities of the physical device as a whole
   * @device_caps:  capabilities accessed via this particular device (node)
   * @reserved:	   reserved fields for future extensions
   */
 struct v4l2_capability {
 	__u8	driver[16];
 	__u8	card[32];
 	__u8	bus_info[32];
 	__u32   version;
 	__u32	capabilities;
 	__u32	device_caps;
 	__u32	reserved[3];
 };
 
 /* 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
 /* Is a video mem-to-mem device that supports multiplanar formats */
 #define V4L2_CAP_VIDEO_M2M_MPLANE	0x00004000
 /* Is a video mem-to-mem device */
 #define V4L2_CAP_VIDEO_M2M		0x00008000
 
 #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_SDR_CAPTURE		0x00100000  /* Is a SDR capture device */
 #define V4L2_CAP_EXT_PIX_FORMAT		0x00200000  /* Supports the extended pixel format */
 #define V4L2_CAP_SDR_OUTPUT		0x00400000  /* Is a SDR output device */
 #define V4L2_CAP_META_CAPTURE		0x00800000  /* Is a metadata capture device */
 
 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
 #define V4L2_CAP_EDID			0x02000000  /* Is an EDID-only device */
 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
 #define V4L2_CAP_META_OUTPUT		0x08000000  /* Is a metadata output device */
 
 #define V4L2_CAP_TOUCH                  0x10000000  /* Is a touch device */
 
 #define V4L2_CAP_IO_MC			0x20000000  /* Is input/output controlled by the media controller */
 
 #define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */
 
 /*
  *	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;
 	__u32			field;		/* enum v4l2_field */
 	__u32			bytesperline;	/* for padding, zero if unused */
 	__u32			sizeimage;
 	__u32			colorspace;	/* enum v4l2_colorspace */
 	__u32			priv;		/* private data, depends on pixelformat */
 	__u32			flags;		/* format flags (V4L2_PIX_FMT_FLAG_*) */
 	union {
 		/* enum v4l2_ycbcr_encoding */
 		__u32			ycbcr_enc;
 		/* enum v4l2_hsv_encoding */
 		__u32			hsv_enc;
 	};
 	__u32			quantization;	/* enum v4l2_quantization */
 	__u32			xfer_func;	/* enum v4l2_xfer_func */
 };
 
 /*      Pixel format         FOURCC                          depth  Description  */
 
 /* RGB formats (1 or 2 bytes per pixel) */
 #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_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  aaaarrrr ggggbbbb */
 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16  xxxxrrrr ggggbbbb */
 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16  rrrrgggg bbbbaaaa */
 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16  rrrrgggg bbbbxxxx */
 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16  aaaabbbb ggggrrrr */
 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16  xxxxbbbb ggggrrrr */
 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16  bbbbgggg rrrraaaa */
 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16  bbbbgggg rrrrxxxx */
 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */
 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  XRGB-1-5-5-5  */
 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16  RGBA-5-5-5-1  */
 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16  RGBX-5-5-5-1  */
 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16  ABGR-1-5-5-5  */
 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16  XBGR-1-5-5-5  */
 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16  BGRA-5-5-5-1  */
 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16  BGRX-5-5-5-1  */
 #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_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16  ARGB-5-5-5 BE */
 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16  XRGB-5-5-5 BE */
 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
 
 /* RGB formats (3 or 4 bytes per pixel) */
 #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_ABGR32  v4l2_fourcc('A', 'R', '2', '4') /* 32  BGRA-8-8-8-8  */
 #define V4L2_PIX_FMT_XBGR32  v4l2_fourcc('X', 'R', '2', '4') /* 32  BGRX-8-8-8-8  */
 #define V4L2_PIX_FMT_BGRA32  v4l2_fourcc('R', 'A', '2', '4') /* 32  ABGR-8-8-8-8  */
 #define V4L2_PIX_FMT_BGRX32  v4l2_fourcc('R', 'X', '2', '4') /* 32  XBGR-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_RGBA32  v4l2_fourcc('A', 'B', '2', '4') /* 32  RGBA-8-8-8-8  */
 #define V4L2_PIX_FMT_RGBX32  v4l2_fourcc('X', 'B', '2', '4') /* 32  RGBX-8-8-8-8  */
 #define V4L2_PIX_FMT_ARGB32  v4l2_fourcc('B', 'A', '2', '4') /* 32  ARGB-8-8-8-8  */
 #define V4L2_PIX_FMT_XRGB32  v4l2_fourcc('B', 'X', '2', '4') /* 32  XRGB-8-8-8-8  */
 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32  RGBX-10-10-10-2 */
 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32  RGBA-10-10-10-2 */
 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32  ARGB-2-10-10-10 */
 
 /* RGB formats (6 or 8 bytes per pixel) */
 #define V4L2_PIX_FMT_BGR48_12    v4l2_fourcc('B', '3', '1', '2') /* 48  BGR 12-bit per component */
 #define V4L2_PIX_FMT_BGR48       v4l2_fourcc('B', 'G', 'R', '6') /* 48  BGR 16-bit per component */
 #define V4L2_PIX_FMT_RGB48       v4l2_fourcc('R', 'G', 'B', '6') /* 48  RGB 16-bit per component */
 #define V4L2_PIX_FMT_ABGR64_12   v4l2_fourcc('B', '4', '1', '2') /* 64  BGRA 12-bit per component */
 
 /* 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_Y012    v4l2_fourcc('Y', '0', '1', '2') /* 12  Greyscale     */
 #define V4L2_PIX_FMT_Y14     v4l2_fourcc('Y', '1', '4', ' ') /* 14  Greyscale     */
 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
 #define V4L2_PIX_FMT_Y16_BE  v4l2_fourcc_be('Y', '1', '6', ' ') /* 16  Greyscale BE  */
 
 /* Grey bit-packed formats */
 #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
 #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
 #define V4L2_PIX_FMT_IPU3_Y10		v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
 #define V4L2_PIX_FMT_Y12P    v4l2_fourcc('Y', '1', '2', 'P') /* 12  Greyscale, MIPI RAW12 packed */
 #define V4L2_PIX_FMT_Y14P    v4l2_fourcc('Y', '1', '4', 'P') /* 14  Greyscale, MIPI RAW14 packed */
 
 /* Palette formats */
 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
 
 /* Chrominance formats */
 #define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */
 
 /* Luminance+Chrominance formats */
 #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_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_YUV24   v4l2_fourcc('Y', 'U', 'V', '3') /* 24  YUV-8-8-8     */
 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
 #define V4L2_PIX_FMT_AYUV32  v4l2_fourcc('A', 'Y', 'U', 'V') /* 32  AYUV-8-8-8-8  */
 #define V4L2_PIX_FMT_XYUV32  v4l2_fourcc('X', 'Y', 'U', 'V') /* 32  XYUV-8-8-8-8  */
 #define V4L2_PIX_FMT_VUYA32  v4l2_fourcc('V', 'U', 'Y', 'A') /* 32  VUYA-8-8-8-8  */
 #define V4L2_PIX_FMT_VUYX32  v4l2_fourcc('V', 'U', 'Y', 'X') /* 32  VUYX-8-8-8-8  */
 #define V4L2_PIX_FMT_YUVA32  v4l2_fourcc('Y', 'U', 'V', 'A') /* 32  YUVA-8-8-8-8  */
 #define V4L2_PIX_FMT_YUVX32  v4l2_fourcc('Y', 'U', 'V', 'X') /* 32  YUVX-8-8-8-8  */
 #define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */
 #define V4L2_PIX_FMT_YUV48_12    v4l2_fourcc('Y', '3', '1', '2') /* 48  YUV 4:4:4 12-bit per component */
 
 /*
  * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
  * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
  */
 #define V4L2_PIX_FMT_Y210    v4l2_fourcc('Y', '2', '1', '0') /* 32  YUYV 4:2:2 */
 #define V4L2_PIX_FMT_Y212    v4l2_fourcc('Y', '2', '1', '2') /* 32  YUYV 4:2:2 */
 #define V4L2_PIX_FMT_Y216    v4l2_fourcc('Y', '2', '1', '6') /* 32  YUYV 4:2:2 */
 
 /* 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  */
 #define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
 #define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */
 #define V4L2_PIX_FMT_P010    v4l2_fourcc('P', '0', '1', '0') /* 24  Y/CbCr 4:2:0 10-bit per component */
 #define V4L2_PIX_FMT_P012    v4l2_fourcc('P', '0', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
 
 /* 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_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
 #define V4L2_PIX_FMT_NV16M   v4l2_fourcc('N', 'M', '1', '6') /* 16  Y/CbCr 4:2:2  */
 #define V4L2_PIX_FMT_NV61M   v4l2_fourcc('N', 'M', '6', '1') /* 16  Y/CrCb 4:2:2  */
 #define V4L2_PIX_FMT_P012M   v4l2_fourcc('P', 'M', '1', '2') /* 24  Y/CbCr 4:2:0 12-bit per component */
 
 /* three planes - Y Cb, Cr */
 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12  YVU411 planar */
 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
 
 /* three non contiguous planes - Y, Cb, Cr */
 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */
 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16  YUV422 planar */
 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16  YVU422 planar */
 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24  YUV444 planar */
 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24  YVU444 planar */
 
 /* Tiled YUV formats */
 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2')   /* 12  Y/CbCr 4:2:0  4x4 tiles */
 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12  Y/CbCr 4:2:0 32x32 tiles */
 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12  Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
 #define V4L2_PIX_FMT_NV12_8L128       v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
 #define V4L2_PIX_FMT_NV12_10BE_8L128  v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
 
 /* Tiled YUV formats, non contiguous planes */
 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 tiles */
 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 tiles */
 #define V4L2_PIX_FMT_NV12M_8L128      v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
 
 /* 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.. */
 	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
 	/* 10bit raw bayer a-law compressed to 8 bits */
 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
 	/* 10bit raw bayer DPCM compressed to 8 bits */
 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
 #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.. */
 	/* 12bit raw bayer packed, 6 bytes for every 4 pixels */
 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14  BGBG.. GRGR.. */
 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14  GBGB.. RGRG.. */
 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14  GRGR.. BGBG.. */
 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14  RGRG.. GBGB.. */
 	/* 14bit raw bayer packed, 7 bytes for every 4 pixels */
 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16  GBGB.. RGRG.. */
 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16  GRGR.. BGBG.. */
 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16  RGRG.. GBGB.. */
 
 /* HSV formats */
 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
 
 /* 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 Multiplexed */
 #define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
 #define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
 #define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
 #define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
 #define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
 #define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
 #define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
 #define V4L2_PIX_FMT_VP9      v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
 #define V4L2_PIX_FMT_HEVC     v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
 #define V4L2_PIX_FMT_FWHT     v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
 #define V4L2_PIX_FMT_FWHT_STATELESS     v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
 #define V4L2_PIX_FMT_SPK      v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
 #define V4L2_PIX_FMT_RV30     v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
 #define V4L2_PIX_FMT_RV40     v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
 
 /*  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_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB 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 */
 #define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
 #define V4L2_PIX_FMT_Y16I     v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
 #define V4L2_PIX_FMT_MT2110T  v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
 #define V4L2_PIX_FMT_MT2110R  v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
 #define V4L2_PIX_FMT_INZI     v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
 #define V4L2_PIX_FMT_CNF4     v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
 #define V4L2_PIX_FMT_HI240    v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
 #define V4L2_PIX_FMT_QC08C    v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
 #define V4L2_PIX_FMT_QC10C    v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
 #define V4L2_PIX_FMT_AJPG     v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
 #define V4L2_PIX_FMT_HEXTILE  v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
 
 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
 #define V4L2_PIX_FMT_IPU3_SBGGR10	v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
 #define V4L2_PIX_FMT_IPU3_SGBRG10	v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
 #define V4L2_PIX_FMT_IPU3_SGRBG10	v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
 #define V4L2_PIX_FMT_IPU3_SRGGB10	v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
 
 /* Raspberry Pi PiSP compressed formats. */
 #define V4L2_PIX_FMT_PISP_COMP1_RGGB	v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
 #define V4L2_PIX_FMT_PISP_COMP1_GRBG	v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
 #define V4L2_PIX_FMT_PISP_COMP1_GBRG	v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
 #define V4L2_PIX_FMT_PISP_COMP1_BGGR	v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
 #define V4L2_PIX_FMT_PISP_COMP1_MONO	v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
 #define V4L2_PIX_FMT_PISP_COMP2_RGGB	v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
 #define V4L2_PIX_FMT_PISP_COMP2_GRBG	v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
 #define V4L2_PIX_FMT_PISP_COMP2_GBRG	v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
 #define V4L2_PIX_FMT_PISP_COMP2_BGGR	v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
 #define V4L2_PIX_FMT_PISP_COMP2_MONO	v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
 
 /* SDR formats - used only for Software Defined Radio devices */
 #define V4L2_SDR_FMT_CU8          v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
 #define V4L2_SDR_FMT_CU16LE       v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
 #define V4L2_SDR_FMT_CS8          v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
 #define V4L2_SDR_FMT_CS14LE       v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
 #define V4L2_SDR_FMT_RU12LE       v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
 #define V4L2_SDR_FMT_PCU16BE	  v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
 #define V4L2_SDR_FMT_PCU18BE	  v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
 #define V4L2_SDR_FMT_PCU20BE	  v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
 
 /* Touch formats - used for Touch devices */
 #define V4L2_TCH_FMT_DELTA_TD16	v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
 #define V4L2_TCH_FMT_DELTA_TD08	v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
 #define V4L2_TCH_FMT_TU16	v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
 #define V4L2_TCH_FMT_TU08	v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
 
 /* Meta-data formats */
 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
 #define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
 #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
 #define V4L2_META_FMT_VIVID	  v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
 
 /* Vendor specific - used for RK_ISP1 camera sub-system */
 #define V4L2_META_FMT_RK_ISP1_PARAMS	v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
 #define V4L2_META_FMT_RK_ISP1_STAT_3A	v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
 #define V4L2_META_FMT_RK_ISP1_EXT_PARAMS	v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */
 
 /* Vendor specific - used for RaspberryPi PiSP */
 #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
 #define V4L2_META_FMT_RPI_FE_CFG	v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
 #define V4L2_META_FMT_RPI_FE_STATS	v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
 
 
 /* priv field value to indicates that subsequent fields are valid. */
 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
 
 /* Flags */
 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA	0x00000001
 #define V4L2_PIX_FMT_FLAG_SET_CSC	0x00000002
 
 /*
  *	F O R M A T   E N U M E R A T I O N
  */
 struct v4l2_fmtdesc {
 	__u32		    index;             /* Format number      */
 	__u32		    type;              /* enum v4l2_buf_type */
 	__u32               flags;
 	__u8		    description[32];   /* Description string */
 	__u32		    pixelformat;       /* Format fourcc      */
 	__u32		    mbus_code;		/* Media bus code    */
 	__u32		    reserved[3];
 };
 
 #define V4L2_FMT_FLAG_COMPRESSED		0x0001
 #define V4L2_FMT_FLAG_EMULATED			0x0002
 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM	0x0004
 #define V4L2_FMT_FLAG_DYN_RESOLUTION		0x0008
 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL	0x0010
 #define V4L2_FMT_FLAG_CSC_COLORSPACE		0x0020
 #define V4L2_FMT_FLAG_CSC_XFER_FUNC		0x0040
 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC		0x0080
 #define V4L2_FMT_FLAG_CSC_HSV_ENC		V4L2_FMT_FLAG_CSC_YCBCR_ENC
 #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
 #define V4L2_FMT_FLAG_META_LINE_BASED		0x0200
 
 /*  Format description flag, to be ORed with the index */
 #define V4L2_FMTDESC_FLAG_ENUM_ALL		0x80000000
 
 	/* 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 */
 };
 
 /*
  *	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.
 				 * Including 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
 					* always 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;
 	__u32			type;		/* enum v4l2_buf_type */
 	__u32			memory;		/* enum v4l2_memory */
 	__u32			capabilities;
 	__u8			flags;
 	__u8			reserved[3];
 };
 
 #define V4L2_MEMORY_FLAG_NON_COHERENT			(1 << 0)
 
 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
 #define V4L2_BUF_CAP_SUPPORTS_MMAP			(1 << 0)
 #define V4L2_BUF_CAP_SUPPORTS_USERPTR			(1 << 1)
 #define V4L2_BUF_CAP_SUPPORTS_DMABUF			(1 << 2)
 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS			(1 << 3)
 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS		(1 << 4)
 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF	(1 << 5)
 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS		(1 << 6)
 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS		(1 << 7)
 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS		(1 << 8)
 
 /**
  * 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
  * @m.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)
  * @m.userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
  *			pointing to this plane
  * @m.fd:		when memory is V4L2_MEMORY_DMABUF, a userspace file
  *			descriptor associated with this plane
  * @m:			union of @mem_offset, @userptr and @fd
  * @data_offset:	offset in the plane to the start of data; usually 0,
  *			unless there is a header in front of the data
  * @reserved:		drivers and applications must zero this array
  *
  * 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;
 		__s32		fd;
 	} m;
 	__u32			data_offset;
 	__u32			reserved[11];
 };
 
 /**
  * struct v4l2_buffer - video buffer info
  * @index:	id number of the buffer
  * @type:	enum v4l2_buf_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:	enum v4l2_field; field order of the image in the buffer
  * @timestamp:	frame timestamp
  * @timecode:	frame timecode
  * @sequence:	sequence count of this frame
  * @memory:	enum v4l2_memory; the method, in which the actual video data is
  *		passed
  * @m.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)
  * @m.userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
  *		a userspace pointer pointing to this buffer
  * @m.fd:		for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
  *		a userspace file descriptor associated with this buffer
  * @m.planes:	for multiplanar buffers; userspace pointer to the array of plane
  *		info structs for this buffer
  * @m:		union of @offset, @userptr, @planes and @fd
  * @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
  * @reserved2:	drivers and applications must zero this field
  * @request_fd: fd of the request that this buffer should use
  * @reserved:	for backwards compatibility with applications that do not know
  *		about @request_fd
  *
  * Contains data exchanged by application and driver using one of the Streaming
  * I/O methods.
  */
 struct v4l2_buffer {
 	__u32			index;
 	__u32			type;
 	__u32			bytesused;
 	__u32			flags;
 	__u32			field;
 	struct timeval		timestamp;
 	struct v4l2_timecode	timecode;
 	__u32			sequence;
 
 	/* memory location */
 	__u32			memory;
 	union {
 		__u32           offset;
 		unsigned long   userptr;
 		struct v4l2_plane *planes;
 		__s32		fd;
 	} m;
 	__u32			length;
 	__u32			reserved2;
 	union {
 		__s32		request_fd;
 		__u32		reserved;
 	};
 };
 
 /**
  * v4l2_timeval_to_ns - Convert timeval to nanoseconds
  * @tv:		pointer to the timeval variable to be converted
  *
  * Returns the scalar nanosecond representation of the timeval
  * parameter.
  */
 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
 {
 	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
 }
 
 /*  Flags for 'flags' field */
 /* Buffer is mapped (flag) */
 #define V4L2_BUF_FLAG_MAPPED			0x00000001
 /* Buffer is queued for processing */
 #define V4L2_BUF_FLAG_QUEUED			0x00000002
 /* Buffer is ready */
 #define V4L2_BUF_FLAG_DONE			0x00000004
 /* Image is a keyframe (I-frame) */
 #define V4L2_BUF_FLAG_KEYFRAME			0x00000008
 /* Image is a P-frame */
 #define V4L2_BUF_FLAG_PFRAME			0x00000010
 /* Image is a B-frame */
 #define V4L2_BUF_FLAG_BFRAME			0x00000020
 /* Buffer is ready, but the data contained within is corrupted. */
 #define V4L2_BUF_FLAG_ERROR			0x00000040
 /* Buffer is added to an unqueued request */
 #define V4L2_BUF_FLAG_IN_REQUEST		0x00000080
 /* timecode field is valid */
 #define V4L2_BUF_FLAG_TIMECODE			0x00000100
 /* Don't return the capture buffer until OUTPUT timestamp changes */
 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF	0x00000200
 /* Buffer is prepared for queuing */
 #define V4L2_BUF_FLAG_PREPARED			0x00000400
 /* Cache handling flags */
 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x00000800
 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x00001000
 /* Timestamp type */
 #define V4L2_BUF_FLAG_TIMESTAMP_MASK		0x0000e000
 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN		0x00000000
 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC	0x00002000
 #define V4L2_BUF_FLAG_TIMESTAMP_COPY		0x00004000
 /* Timestamp sources. */
 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK		0x00070000
 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF		0x00000000
 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE		0x00010000
 /* mem2mem encoder/decoder */
 #define V4L2_BUF_FLAG_LAST			0x00100000
 /* request_fd is valid */
 #define V4L2_BUF_FLAG_REQUEST_FD		0x00800000
 
 /**
  * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
  *
  * @index:	id number of the buffer
  * @type:	enum v4l2_buf_type; buffer type (type == *_MPLANE for
  *		multiplanar buffers);
  * @plane:	index of the plane to be exported, 0 for single plane queues
  * @flags:	flags for newly created file, currently only O_CLOEXEC is
  *		supported, refer to manual of open syscall for more details
  * @fd:		file descriptor associated with DMABUF (set by driver)
  * @reserved:	drivers and applications must zero this array
  *
  * Contains data used for exporting a video buffer as DMABUF file descriptor.
  * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
  * (identical to the cookie used to mmap() the buffer to userspace). All
  * reserved fields must be set to zero. The field reserved0 is expected to
  * become a structure 'type' allowing an alternative layout of the structure
  * content. Therefore this field should not be used for any other extensions.
  */
 struct v4l2_exportbuffer {
 	__u32		type; /* enum v4l2_buf_type */
 	__u32		index;
 	__u32		plane;
 	__u32		flags;
 	__s32		fd;
 	__u32		reserved[11];
 };
 
 /*
  *	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 {
 		__u32		width;
 		__u32		height;
 		__u32		pixelformat;
 		__u32		field;		/* enum v4l2_field */
 		__u32		bytesperline;	/* for padding, zero if unused */
 		__u32		sizeimage;
 		__u32		colorspace;	/* enum v4l2_colorspace */
 		__u32		priv;		/* reserved field, set to 0 */
 	} 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;
 	__u32			field;	 /* enum v4l2_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 seconds */
 	__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 {
 	__u32			type;	/* enum v4l2_buf_type */
 	struct v4l2_rect        bounds;
 	struct v4l2_rect        defrect;
 	struct v4l2_fract       pixelaspect;
 };
 
 struct v4l2_crop {
 	__u32			type;	/* enum v4l2_buf_type */
 	struct v4l2_rect        c;
 };
 
 /**
  * struct v4l2_selection - selection info
  * @type:	buffer type (do not use *_MPLANE types)
  * @target:	Selection target, used to choose one of possible rectangles;
  *		defined in v4l2-common.h; V4L2_SEL_TGT_* .
  * @flags:	constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  * @r:		coordinates of selection window
  * @reserved:	for future use, rounds structure size to 64 bytes, set to zero
  *
  * Hardware may use multiple helper windows to process a video stream.
  * The structure is used to exchange this selection areas between
  * an application and a driver.
  */
 struct v4l2_selection {
 	__u32			type;
 	__u32			target;
 	__u32                   flags;
 	struct v4l2_rect        r;
 	__u32                   reserved[9];
 };
 
 
 /*
  *      A N A L O G   V I D E O   S T A N D A R D
  */
 
 typedef __u64 v4l2_std_id;
 
 /*
  * Attention: Keep the V4L2_STD_* bit definitions in sync with
  * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
  */
 /* 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)	/* BTSC */
 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)	/* EIA-J */
 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)	/* FM A2 */
 
 #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 macros to merge video standards in order to make live easier for the
  * drivers and V4L2 applications
  */
 
 /*
  * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
  * Missing here.
  */
 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
 				 V4L2_STD_NTSC_M_JP     |\
 				 V4L2_STD_NTSC_M_KR)
 /* Secam macros */
 #define V4L2_STD_SECAM_DK	(V4L2_STD_SECAM_D	|\
 				 V4L2_STD_SECAM_K	|\
 				 V4L2_STD_SECAM_K1)
 /* All Secam Standards */
 #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)
 /* PAL macros */
 #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)
 /*
  * "Common" PAL - This macro is there to be compatible with the old
  * V4L1 concept of "PAL": /BGDKHI.
  * Several PAL standards are missing here: /M, /N and /Nc
  */
 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
 				 V4L2_STD_PAL_DK	|\
 				 V4L2_STD_PAL_H		|\
 				 V4L2_STD_PAL_I)
 /* Chroma "agnostic" standards */
 #define V4L2_STD_B		(V4L2_STD_PAL_B		|\
 				 V4L2_STD_PAL_B1	|\
 				 V4L2_STD_SECAM_B)
 #define V4L2_STD_G		(V4L2_STD_PAL_G		|\
 				 V4L2_STD_SECAM_G)
 #define V4L2_STD_H		(V4L2_STD_PAL_H		|\
 				 V4L2_STD_SECAM_H)
 #define V4L2_STD_L		(V4L2_STD_SECAM_L	|\
 				 V4L2_STD_SECAM_LC)
 #define V4L2_STD_GH		(V4L2_STD_G		|\
 				 V4L2_STD_H)
 #define V4L2_STD_DK		(V4L2_STD_PAL_DK	|\
 				 V4L2_STD_SECAM_DK)
 #define V4L2_STD_BG		(V4L2_STD_B		|\
 				 V4L2_STD_G)
 #define V4L2_STD_MN		(V4L2_STD_PAL_M		|\
 				 V4L2_STD_PAL_N		|\
 				 V4L2_STD_PAL_Nc	|\
 				 V4L2_STD_NTSC)
 
 /* Standards where MTS/BTSC stereo could be found */
 #define V4L2_STD_MTS		(V4L2_STD_NTSC_M	|\
 				 V4L2_STD_PAL_M		|\
 				 V4L2_STD_PAL_N		|\
 				 V4L2_STD_PAL_Nc)
 
 /* Standards for Countries with 60Hz Line frequency */
 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
 				 V4L2_STD_PAL_60	|\
 				 V4L2_STD_NTSC		|\
 				 V4L2_STD_NTSC_443)
 /* Standards for Countries with 50Hz Line frequency */
 #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)
 /* Macros with none and all analog standards */
 #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];
 };
 
 /*
  *	D V	B T	T I M I N G S
  */
 
 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
  * @width:	total width of the active video in pixels
  * @height:	total height of the active video in lines
  * @interlaced:	Interlaced or progressive
  * @polarities:	Positive or negative polarities
  * @pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
  * @hfrontporch:Horizontal front porch in pixels
  * @hsync:	Horizontal Sync length in pixels
  * @hbackporch:	Horizontal back porch in pixels
  * @vfrontporch:Vertical front porch in lines
  * @vsync:	Vertical Sync length in lines
  * @vbackporch:	Vertical back porch in lines
  * @il_vfrontporch:Vertical front porch for the even field
  *		(aka field 2) of interlaced field formats
  * @il_vsync:	Vertical Sync length for the even field
  *		(aka field 2) of interlaced field formats
  * @il_vbackporch:Vertical back porch for the even field
  *		(aka field 2) of interlaced field formats
  * @standards:	Standards the timing belongs to
  * @flags:	Flags
  * @picture_aspect: The picture aspect ratio (hor/vert).
  * @cea861_vic:	VIC code as per the CEA-861 standard.
  * @hdmi_vic:	VIC code as per the HDMI standard.
  * @reserved:	Reserved fields, must be zeroed.
  *
  * A note regarding vertical interlaced timings: height refers to the total
  * height of the active video frame (= two fields). The blanking timings refer
  * to the blanking of each field. So the height of the total frame is
  * calculated as follows:
  *
  * tot_height = height + vfrontporch + vsync + vbackporch +
  *                       il_vfrontporch + il_vsync + il_vbackporch
  *
  * The active height of each field is height / 2.
  */
 struct v4l2_bt_timings {
 	__u32	width;
 	__u32	height;
 	__u32	interlaced;
 	__u32	polarities;
 	__u64	pixelclock;
 	__u32	hfrontporch;
 	__u32	hsync;
 	__u32	hbackporch;
 	__u32	vfrontporch;
 	__u32	vsync;
 	__u32	vbackporch;
 	__u32	il_vfrontporch;
 	__u32	il_vsync;
 	__u32	il_vbackporch;
 	__u32	standards;
 	__u32	flags;
 	struct v4l2_fract picture_aspect;
 	__u8	cea861_vic;
 	__u8	hdmi_vic;
 	__u8	reserved[46];
 } __attribute__ ((packed));
 
 /* 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
 
 /* Timings standards */
 #define V4L2_DV_BT_STD_CEA861	(1 << 0)  /* CEA-861 Digital TV Profile */
 #define V4L2_DV_BT_STD_DMT	(1 << 1)  /* VESA Discrete Monitor Timings */
 #define V4L2_DV_BT_STD_CVT	(1 << 2)  /* VESA Coordinated Video Timings */
 #define V4L2_DV_BT_STD_GTF	(1 << 3)  /* VESA Generalized Timings Formula */
 #define V4L2_DV_BT_STD_SDI	(1 << 4)  /* SDI Timings */
 
 /* Flags */
 
 /*
  * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
  * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
  * intervals are reduced, allowing a higher resolution over the same
  * bandwidth. This is a read-only flag.
  */
 #define V4L2_DV_FL_REDUCED_BLANKING		(1 << 0)
 /*
  * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
  * of six. These formats can be optionally played at 1 / 1.001 speed.
  * This is a read-only flag.
  */
 #define V4L2_DV_FL_CAN_REDUCE_FPS		(1 << 1)
 /*
  * CEA-861 specific: only valid for video transmitters, the flag is cleared
  * by receivers.
  * If the framerate of the format is a multiple of six, then the pixelclock
  * used to set up the transmitter is divided by 1.001 to make it compatible
  * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
  * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
  * such frequencies, then the flag will also be cleared.
  */
 #define V4L2_DV_FL_REDUCED_FPS			(1 << 2)
 /*
  * Specific to interlaced formats: if set, then field 1 is really one half-line
  * longer and field 2 is really one half-line shorter, so each field has
  * exactly the same number of half-lines. Whether half-lines can be detected
  * or used depends on the hardware.
  */
 #define V4L2_DV_FL_HALF_LINE			(1 << 3)
 /*
  * If set, then this is a Consumer Electronics (CE) video format. Such formats
  * differ from other formats (commonly called IT formats) in that if RGB
  * encoding is used then by default the RGB values use limited range (i.e.
  * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
  * except for the 640x480 format are CE formats.
  */
 #define V4L2_DV_FL_IS_CE_VIDEO			(1 << 4)
 /* Some formats like SMPTE-125M have an interlaced signal with a odd
  * total height. For these formats, if this flag is set, the first
  * field has the extra line. If not, it is the second field.
  */
 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE	(1 << 5)
 /*
  * If set, then the picture_aspect field is valid. Otherwise assume that the
  * pixels are square, so the picture aspect ratio is the same as the width to
  * height ratio.
  */
 #define V4L2_DV_FL_HAS_PICTURE_ASPECT		(1 << 6)
 /*
  * If set, then the cea861_vic field is valid and contains the Video
  * Identification Code as per the CEA-861 standard.
  */
 #define V4L2_DV_FL_HAS_CEA861_VIC		(1 << 7)
 /*
  * If set, then the hdmi_vic field is valid and contains the Video
  * Identification Code as per the HDMI standard (HDMI Vendor Specific
  * InfoFrame).
  */
 #define V4L2_DV_FL_HAS_HDMI_VIC			(1 << 8)
 /*
  * CEA-861 specific: only valid for video receivers.
  * If set, then HW can detect the difference between regular FPS and
  * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
  * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
  */
 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS	(1 << 9)
 
 /* A few useful defines to calculate the total blanking and frame sizes */
 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
 	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
 	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
 	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
 	 ((bt)->interlaced ? \
 	  ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
 	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
 
 /** struct v4l2_dv_timings - DV timings
  * @type:	the type of the timings
  * @bt:	BT656/1120 timings
  */
 struct v4l2_dv_timings {
 	__u32 type;
 	union {
 		struct v4l2_bt_timings	bt;
 		__u32	reserved[32];
 	};
 } __attribute__ ((packed));
 
 /* Values for the type field */
 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
 
 
 /** struct v4l2_enum_dv_timings - DV timings enumeration
  * @index:	enumeration index
  * @pad:	the pad number for which to enumerate timings (used with
  *		v4l-subdev nodes only)
  * @reserved:	must be zeroed
  * @timings:	the timings for the given index
  */
 struct v4l2_enum_dv_timings {
 	__u32 index;
 	__u32 pad;
 	__u32 reserved[2];
 	struct v4l2_dv_timings timings;
 };
 
 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
  * @min_width:		width in pixels
  * @max_width:		width in pixels
  * @min_height:		height in lines
  * @max_height:		height in lines
  * @min_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
  * @max_pixelclock:	Pixel clock in HZ. Ex. 74.25MHz->74250000
  * @standards:		Supported standards
  * @capabilities:	Supported capabilities
  * @reserved:		Must be zeroed
  */
 struct v4l2_bt_timings_cap {
 	__u32	min_width;
 	__u32	max_width;
 	__u32	min_height;
 	__u32	max_height;
 	__u64	min_pixelclock;
 	__u64	max_pixelclock;
 	__u32	standards;
 	__u32	capabilities;
 	__u32	reserved[16];
 } __attribute__ ((packed));
 
 /* Supports interlaced formats */
 #define V4L2_DV_BT_CAP_INTERLACED	(1 << 0)
 /* Supports progressive formats */
 #define V4L2_DV_BT_CAP_PROGRESSIVE	(1 << 1)
 /* Supports CVT/GTF reduced blanking */
 #define V4L2_DV_BT_CAP_REDUCED_BLANKING	(1 << 2)
 /* Supports custom formats */
 #define V4L2_DV_BT_CAP_CUSTOM		(1 << 3)
 
 /** struct v4l2_dv_timings_cap - DV timings capabilities
  * @type:	the type of the timings (same as in struct v4l2_dv_timings)
  * @pad:	the pad number for which to query capabilities (used with
  *		v4l-subdev nodes only)
  * @bt:		the BT656/1120 timings capabilities
  */
 struct v4l2_dv_timings_cap {
 	__u32 type;
 	__u32 pad;
 	__u32 reserved[2];
 	union {
 		struct v4l2_bt_timings_cap bt;
 		__u32 raw_data[32];
 	};
 };
 
 
 /*
  *	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;             /*  Tuner index */
 	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
 #define V4L2_INPUT_TYPE_TOUCH		3
 
 /* 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 */
 #define V4L2_IN_ST_NO_V_LOCK   0x00000400  /* No vertical sync lock */
 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800  /* No standard format lock */
 
 /* 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_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
 #define V4L2_IN_CAP_CUSTOM_TIMINGS	V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
 #define V4L2_IN_CAP_NATIVE_SIZE		0x00000008 /* Supports setting native size */
 
 /*
  *	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_DV_TIMINGS		0x00000002 /* Supports S_DV_TIMINGS */
 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
 #define V4L2_OUT_CAP_NATIVE_SIZE	0x00000008 /* Supports setting native size */
 
 /*
  *	C O N T R O L S
  */
 struct v4l2_control {
 	__u32		     id;
 	__s32		     value;
 };
 
 struct v4l2_ext_control {
 	__u32 id;
 	__u32 size;
 	__u32 reserved2[1];
 	union {
 		__s32 value;
 		__s64 value64;
 		char *string;
 		__u8 *p_u8;
 		__u16 *p_u16;
 		__u32 *p_u32;
 		__s32 *p_s32;
 		__s64 *p_s64;
 		struct v4l2_area *p_area;
 		struct v4l2_ctrl_h264_sps *p_h264_sps;
 		struct v4l2_ctrl_h264_pps *p_h264_pps;
 		struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
 		struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
 		struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
 		struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
 		struct v4l2_ctrl_fwht_params *p_fwht_params;
 		struct v4l2_ctrl_vp8_frame *p_vp8_frame;
 		struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence;
 		struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
 		struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation;
 		struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs;
 		struct v4l2_ctrl_vp9_frame *p_vp9_frame;
 		struct v4l2_ctrl_hevc_sps *p_hevc_sps;
 		struct v4l2_ctrl_hevc_pps *p_hevc_pps;
 		struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
 		struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix;
 		struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
 		struct v4l2_ctrl_av1_sequence *p_av1_sequence;
 		struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry;
 		struct v4l2_ctrl_av1_frame *p_av1_frame;
 		struct v4l2_ctrl_av1_film_grain *p_av1_film_grain;
 		struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info;
 		struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display;
 		void *ptr;
 	} __attribute__ ((packed));
 } __attribute__ ((packed));
 
 struct v4l2_ext_controls {
 	union {
 		__u32 ctrl_class;
 		__u32 which;
 	};
 	__u32 count;
 	__u32 error_idx;
 	__s32 request_fd;
 	__u32 reserved[1];
 	struct v4l2_ext_control *controls;
 };
 
 #define V4L2_CTRL_ID_MASK	  (0x0fffffff)
 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
 #define V4L2_CTRL_ID2WHICH(id)    ((id) & 0x0fff0000UL)
 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
 #define V4L2_CTRL_MAX_DIMS	  (4)
 #define V4L2_CTRL_WHICH_CUR_VAL   0
 #define V4L2_CTRL_WHICH_DEF_VAL   0x0f000000
 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
 
 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,
 	V4L2_CTRL_TYPE_BITMASK       = 8,
 	V4L2_CTRL_TYPE_INTEGER_MENU  = 9,
 
 	/* Compound types are >= 0x0100 */
 	V4L2_CTRL_COMPOUND_TYPES     = 0x0100,
 	V4L2_CTRL_TYPE_U8	     = 0x0100,
 	V4L2_CTRL_TYPE_U16	     = 0x0101,
 	V4L2_CTRL_TYPE_U32	     = 0x0102,
 	V4L2_CTRL_TYPE_AREA          = 0x0106,
 
 	V4L2_CTRL_TYPE_HDR10_CLL_INFO		= 0x0110,
 	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY	= 0x0111,
 
 	V4L2_CTRL_TYPE_H264_SPS             = 0x0200,
 	V4L2_CTRL_TYPE_H264_PPS		    = 0x0201,
 	V4L2_CTRL_TYPE_H264_SCALING_MATRIX  = 0x0202,
 	V4L2_CTRL_TYPE_H264_SLICE_PARAMS    = 0x0203,
 	V4L2_CTRL_TYPE_H264_DECODE_PARAMS   = 0x0204,
 	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS    = 0x0205,
 
 	V4L2_CTRL_TYPE_FWHT_PARAMS	    = 0x0220,
 
 	V4L2_CTRL_TYPE_VP8_FRAME            = 0x0240,
 
 	V4L2_CTRL_TYPE_MPEG2_QUANTISATION   = 0x0250,
 	V4L2_CTRL_TYPE_MPEG2_SEQUENCE       = 0x0251,
 	V4L2_CTRL_TYPE_MPEG2_PICTURE        = 0x0252,
 
 	V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR	= 0x0260,
 	V4L2_CTRL_TYPE_VP9_FRAME		= 0x0261,
 
 	V4L2_CTRL_TYPE_HEVC_SPS			= 0x0270,
 	V4L2_CTRL_TYPE_HEVC_PPS			= 0x0271,
 	V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS	= 0x0272,
 	V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX	= 0x0273,
 	V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS	= 0x0274,
 
 	V4L2_CTRL_TYPE_AV1_SEQUENCE	    = 0x280,
 	V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
 	V4L2_CTRL_TYPE_AV1_FRAME	    = 0x282,
 	V4L2_CTRL_TYPE_AV1_FILM_GRAIN	    = 0x283,
 };
 
 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
 struct v4l2_queryctrl {
 	__u32		     id;
 	__u32		     type;	/* enum v4l2_ctrl_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_QUERY_EXT_CTRL ioctl for querying extended controls */
 struct v4l2_query_ext_ctrl {
 	__u32		     id;
 	__u32		     type;
 	char		     name[32];
 	__s64		     minimum;
 	__s64		     maximum;
 	__u64		     step;
 	__s64		     default_value;
 	__u32                flags;
 	__u32                elem_size;
 	__u32                elems;
 	__u32                nr_of_dims;
 	__u32                dims[V4L2_CTRL_MAX_DIMS];
 	__u32		     reserved[32];
 };
 
 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
 struct v4l2_querymenu {
 	__u32		id;
 	__u32		index;
 	union {
 		__u8	name[32];	/* Whatever */
 		__s64	value;
 	};
 	__u32		reserved;
 } __attribute__ ((packed));
 
 /*  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
 #define V4L2_CTRL_FLAG_VOLATILE		0x0080
 #define V4L2_CTRL_FLAG_HAS_PAYLOAD	0x0100
 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE	0x0200
 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT	0x0400
 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY	0x0800
 
 /*  Query flags, to be ORed with the control ID */
 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
 #define V4L2_CTRL_FLAG_NEXT_COMPOUND	0x40000000
 
 /*  User-class control IDs defined by V4L2 */
 #define V4L2_CID_MAX_CTRLS		1024
 /*  IDs reserved for driver specific controls */
 #define V4L2_CID_PRIVATE_BASE		0x08000000
 
 
 /*
  *	T U N I N G
  */
 struct v4l2_tuner {
 	__u32                   index;
 	__u8			name[32];
 	__u32			type;	/* enum v4l2_tuner_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			type;	/* enum v4l2_tuner_type */
 	__u32			reserved[3];
 };
 
 /*  Flags for the 'capability' field */
 #define V4L2_TUNER_CAP_LOW		0x0001
 #define V4L2_TUNER_CAP_NORM		0x0002
 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED	0x0004
 #define V4L2_TUNER_CAP_HWSEEK_WRAP	0x0008
 #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
 #define V4L2_TUNER_CAP_FREQ_BANDS	0x0400
 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM	0x0800
 #define V4L2_TUNER_CAP_1HZ		0x1000
 
 /*  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;
 	__u32	type;	/* enum v4l2_tuner_type */
 	__u32	frequency;
 	__u32	reserved[8];
 };
 
 #define V4L2_BAND_MODULATION_VSB	(1 << 1)
 #define V4L2_BAND_MODULATION_FM		(1 << 2)
 #define V4L2_BAND_MODULATION_AM		(1 << 3)
 
 struct v4l2_frequency_band {
 	__u32	tuner;
 	__u32	type;	/* enum v4l2_tuner_type */
 	__u32	index;
 	__u32	capability;
 	__u32	rangelow;
 	__u32	rangehigh;
 	__u32	modulation;
 	__u32	reserved[9];
 };
 
 struct v4l2_hw_freq_seek {
 	__u32	tuner;
 	__u32	type;	/* enum v4l2_tuner_type */
 	__u32	seek_upward;
 	__u32	wrap_around;
 	__u32	spacing;
 	__u32	rangelow;
 	__u32	rangehigh;
 	__u32	reserved[5];
 };
 
 /*
  *	R D S
  */
 
 struct v4l2_rds_data {
 	__u8	lsb;
 	__u8	msb;
 	__u8	block;
 } __attribute__ ((packed));
 
 #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
  */
 #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;
 	};
 };
 
 /* Decoder commands */
 #define V4L2_DEC_CMD_START       (0)
 #define V4L2_DEC_CMD_STOP        (1)
 #define V4L2_DEC_CMD_PAUSE       (2)
 #define V4L2_DEC_CMD_RESUME      (3)
 #define V4L2_DEC_CMD_FLUSH       (4)
 
 /* Flags for V4L2_DEC_CMD_START */
 #define V4L2_DEC_CMD_START_MUTE_AUDIO	(1 << 0)
 
 /* Flags for V4L2_DEC_CMD_PAUSE */
 #define V4L2_DEC_CMD_PAUSE_TO_BLACK	(1 << 0)
 
 /* Flags for V4L2_DEC_CMD_STOP */
 #define V4L2_DEC_CMD_STOP_TO_BLACK	(1 << 0)
 #define V4L2_DEC_CMD_STOP_IMMEDIATELY	(1 << 1)
 
 /* Play format requirements (returned by the driver): */
 
 /* The decoder has no special format requirements */
 #define V4L2_DEC_START_FMT_NONE		(0)
 /* The decoder requires full GOPs */
 #define V4L2_DEC_START_FMT_GOP		(1)
 
 /* The structure must be zeroed before use by the application
    This ensures it can be extended safely in the future. */
 struct v4l2_decoder_cmd {
 	__u32 cmd;
 	__u32 flags;
 	union {
 		struct {
 			__u64 pts;
 		} stop;
 
 		struct {
 			/* 0 or 1000 specifies normal speed,
 			   1 specifies forward single stepping,
 			   -1 specifies backward single stepping,
 			   >1: playback at speed/1000 of the normal speed,
 			   <-1: reverse playback at (-speed/1000) of the normal speed. */
 			__s32 speed;
 			__u32 format;
 		} start;
 
 		struct {
 			__u32 data[16];
 		} 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)
 
 /* ITU-R start lines for each field */
 #define V4L2_VBI_ITU_525_F1_START (1)
 #define V4L2_VBI_ITU_525_F2_START (264)
 #define V4L2_VBI_ITU_625_F1_START (1)
 #define V4L2_VBI_ITU_625_F2_START (314)
 
 /* Sliced VBI
  *
  *    This implements is a proposal V4L2 API to allow SLICED VBI
  * required for some hardware encoders. It should change without
  * notice in the definitive implementation.
  */
 
 struct v4l2_sliced_vbi_format {
 	__u16   service_set;
 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
 				 (equals frame lines 313-336 for 625 line video
 				  standards, 263-286 for 525 line standards) */
 	__u16   service_lines[2][24];
 	__u32   io_size;
 	__u32   reserved[2];            /* must be zero */
 };
 
 /* Teletext World System Teletext
    (WST), defined on ITU-R BT.653-2 */
 #define V4L2_SLICED_TELETEXT_B          (0x0001)
 /* Video Program System, defined on ETS 300 231*/
 #define V4L2_SLICED_VPS                 (0x0400)
 /* Closed Caption, defined on EIA-608 */
 #define V4L2_SLICED_CAPTION_525         (0x1000)
 /* Wide Screen System, defined on ITU-R BT1119.1 */
 #define V4L2_SLICED_WSS_625             (0x4000)
 
 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
 
 struct v4l2_sliced_vbi_cap {
 	__u16   service_set;
 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
 				 (equals frame lines 313-336 for 625 line video
 				  standards, 263-286 for 525 line standards) */
 	__u16   service_lines[2][24];
 	__u32	type;		/* enum v4l2_buf_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)
 
 struct v4l2_mpeg_vbi_itv0_line {
 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
 	__u8 data[42];	/* Sliced VBI data for the line */
 } __attribute__ ((packed));
 
 struct v4l2_mpeg_vbi_itv0 {
 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
 	struct v4l2_mpeg_vbi_itv0_line line[35];
 } __attribute__ ((packed));
 
 struct v4l2_mpeg_vbi_ITV0 {
 	struct v4l2_mpeg_vbi_itv0_line line[36];
 } __attribute__ ((packed));
 
 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
 
 struct v4l2_mpeg_vbi_fmt_ivtv {
 	__u8 magic[4];
 	union {
 		struct v4l2_mpeg_vbi_itv0 itv0;
 		struct v4l2_mpeg_vbi_ITV0 ITV0;
 	};
 } __attribute__ ((packed));
 
 /*
  *	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
  * @reserved:		drivers and applications must zero this array
  */
 struct v4l2_plane_pix_format {
 	__u32		sizeimage;
 	__u32		bytesperline;
 	__u16		reserved[6];
 } __attribute__ ((packed));
 
 /**
  * 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:		enum v4l2_field; field order (for interlaced video)
  * @colorspace:		enum v4l2_colorspace; supplemental to pixelformat
  * @plane_fmt:		per-plane information
  * @num_planes:		number of planes for this format
  * @flags:		format flags (V4L2_PIX_FMT_FLAG_*)
  * @ycbcr_enc:		enum v4l2_ycbcr_encoding, Y'CbCr encoding
  * @hsv_enc:		enum v4l2_hsv_encoding, HSV encoding
  * @quantization:	enum v4l2_quantization, colorspace quantization
  * @xfer_func:		enum v4l2_xfer_func, colorspace transfer function
  * @reserved:		drivers and applications must zero this array
  */
 struct v4l2_pix_format_mplane {
 	__u32				width;
 	__u32				height;
 	__u32				pixelformat;
 	__u32				field;
 	__u32				colorspace;
 
 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
 	__u8				num_planes;
 	__u8				flags;
 	 union {
 		__u8				ycbcr_enc;
 		__u8				hsv_enc;
 	};
 	__u8				quantization;
 	__u8				xfer_func;
 	__u8				reserved[7];
 } __attribute__ ((packed));
 
 /**
  * struct v4l2_sdr_format - SDR format definition
  * @pixelformat:	little endian four character code (fourcc)
  * @buffersize:		maximum size in bytes required for data
  * @reserved:		drivers and applications must zero this array
  */
 struct v4l2_sdr_format {
 	__u32				pixelformat;
 	__u32				buffersize;
 	__u8				reserved[24];
 } __attribute__ ((packed));
 
 /**
  * struct v4l2_meta_format - metadata format definition
  * @dataformat:		little endian four character code (fourcc)
  * @buffersize:		maximum size in bytes required for data
  * @width:		number of data units of data per line (valid for line
  *			based formats only, see format documentation)
  * @height:		number of lines of data per buffer (valid for line based
  *			formats only)
  * @bytesperline:	offset between the beginnings of two adjacent lines in
  *			bytes (valid for line based formats only)
  */
 struct v4l2_meta_format {
 	__u32				dataformat;
 	__u32				buffersize;
 	__u32				width;
 	__u32				height;
 	__u32				bytesperline;
 } __attribute__ ((packed));
 
 /**
  * struct v4l2_format - stream data format
  * @type:		enum v4l2_buf_type; type of the data stream
  * @fmt.pix:		definition of an image format
  * @fmt.pix_mp:		definition of a multiplanar image format
  * @fmt.win:		definition of an overlaid image
  * @fmt.vbi:		raw VBI capture or output parameters
  * @fmt.sliced:		sliced VBI capture or output parameters
  * @fmt.raw_data:	placeholder for future extensions and custom formats
  * @fmt:		union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
  *			@meta and @raw_data
  */
 struct v4l2_format {
 	__u32	 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 */
 		struct v4l2_sdr_format		sdr;     /* V4L2_BUF_TYPE_SDR_CAPTURE */
 		struct v4l2_meta_format		meta;    /* V4L2_BUF_TYPE_META_CAPTURE */
 		__u8	raw_data[200];                   /* user-defined */
 	} fmt;
 };
 
 /*	Stream type-dependent parameters
  */
 struct v4l2_streamparm {
 	__u32	 type;			/* enum v4l2_buf_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_CTRL				3
 #define V4L2_EVENT_FRAME_SYNC			4
 #define V4L2_EVENT_SOURCE_CHANGE		5
 #define V4L2_EVENT_MOTION_DET			6
 #define V4L2_EVENT_PRIVATE_START		0x08000000
 
 /* Payload for V4L2_EVENT_VSYNC */
 struct v4l2_event_vsync {
 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
 	__u8 field;
 } __attribute__ ((packed));
 
 /* Payload for V4L2_EVENT_CTRL */
 #define V4L2_EVENT_CTRL_CH_VALUE		(1 << 0)
 #define V4L2_EVENT_CTRL_CH_FLAGS		(1 << 1)
 #define V4L2_EVENT_CTRL_CH_RANGE		(1 << 2)
 #define V4L2_EVENT_CTRL_CH_DIMENSIONS		(1 << 3)
 
 struct v4l2_event_ctrl {
 	__u32 changes;
 	__u32 type;
 	union {
 		__s32 value;
 		__s64 value64;
 	};
 	__u32 flags;
 	__s32 minimum;
 	__s32 maximum;
 	__s32 step;
 	__s32 default_value;
 };
 
 struct v4l2_event_frame_sync {
 	__u32 frame_sequence;
 };
 
 #define V4L2_EVENT_SRC_CH_RESOLUTION		(1 << 0)
 
 struct v4l2_event_src_change {
 	__u32 changes;
 };
 
 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ	(1 << 0)
 
 /**
  * struct v4l2_event_motion_det - motion detection event
  * @flags:             if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
  *                     frame_sequence field is valid.
  * @frame_sequence:    the frame sequence number associated with this event.
  * @region_mask:       which regions detected motion.
  */
 struct v4l2_event_motion_det {
 	__u32 flags;
 	__u32 frame_sequence;
 	__u32 region_mask;
 };
 
 struct v4l2_event {
 	__u32				type;
 	union {
 		struct v4l2_event_vsync		vsync;
 		struct v4l2_event_ctrl		ctrl;
 		struct v4l2_event_frame_sync	frame_sync;
 		struct v4l2_event_src_change	src_change;
 		struct v4l2_event_motion_det	motion_det;
 		__u8				data[64];
 	} u;
 	__u32				pending;
 	__u32				sequence;
 	struct timespec			timestamp;
 	__u32				id;
 	__u32				reserved[8];
 };
 
 #define V4L2_EVENT_SUB_FL_SEND_INITIAL		(1 << 0)
 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK	(1 << 1)
 
 struct v4l2_event_subscription {
 	__u32				type;
 	__u32				id;
 	__u32				flags;
 	__u32				reserved[5];
 };
 
 /*
  *	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_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
 #define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
 
 /* The following four defines are no longer in use */
 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
 #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 ancillary AC97 chip */
 
 struct v4l2_dbg_match {
 	__u32 type; /* Match type */
 	union {     /* Match this chip, meaning determined by type */
 		__u32 addr;
 		char name[32];
 	};
 } __attribute__ ((packed));
 
 struct v4l2_dbg_register {
 	struct v4l2_dbg_match match;
 	__u32 size;	/* register size in bytes */
 	__u64 reg;
 	__u64 val;
 } __attribute__ ((packed));
 
 #define V4L2_CHIP_FL_READABLE (1 << 0)
 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
 
 /* VIDIOC_DBG_G_CHIP_INFO */
 struct v4l2_dbg_chip_info {
 	struct v4l2_dbg_match match;
 	char name[32];
 	__u32 flags;
 	__u32 reserved[32];
 } __attribute__ ((packed));
 
 /**
  * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
  * @index:	on return, index of the first created buffer
  * @count:	entry: number of requested buffers,
  *		return: number of created buffers
  * @memory:	enum v4l2_memory; buffer memory type
  * @format:	frame format, for which buffers are requested
  * @capabilities: capabilities of this buffer type.
  * @flags:	additional buffer management attributes (ignored unless the
  *		queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
  *		and configured for MMAP streaming I/O).
  * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
  *		this field indicate the maximum possible number of buffers
  *		for this queue.
  * @reserved:	future extensions
  */
 struct v4l2_create_buffers {
 	__u32			index;
 	__u32			count;
 	__u32			memory;
 	struct v4l2_format	format;
 	__u32			capabilities;
 	__u32			flags;
 	__u32			max_num_buffers;
 	__u32			reserved[5];
 };
 
 /**
  * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
  * @index:	the first buffer to be removed
  * @count:	number of buffers to removed
  * @type:	enum v4l2_buf_type
  * @reserved:	future extensions
  */
 struct v4l2_remove_buffers {
 	__u32			index;
 	__u32			count;
 	__u32			type;
 	__u32			reserved[13];
 };
 
 /*
  *	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_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_EXPBUF		_IOWR('V', 16, struct v4l2_exportbuffer)
 #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_EDID		_IOWR('V', 40, struct v4l2_edid)
 #define VIDIOC_S_EDID		_IOWR('V', 41, struct v4l2_edid)
 #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, __u32) /* enum v4l2_priority */
 #define VIDIOC_S_PRIORITY	 _IOW('V', 68, __u32) /* 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)
 #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, 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	 _IOW('V', 79, struct v4l2_dbg_register)
 #define	VIDIOC_DBG_G_REGISTER	_IOWR('V', 80, struct v4l2_dbg_register)
 
 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
 #define VIDIOC_CREATE_BUFS	_IOWR('V', 92, struct v4l2_create_buffers)
 #define VIDIOC_PREPARE_BUF	_IOWR('V', 93, struct v4l2_buffer)
 #define VIDIOC_G_SELECTION	_IOWR('V', 94, struct v4l2_selection)
 #define VIDIOC_S_SELECTION	_IOWR('V', 95, struct v4l2_selection)
 #define VIDIOC_DECODER_CMD	_IOWR('V', 96, struct v4l2_decoder_cmd)
 #define VIDIOC_TRY_DECODER_CMD	_IOWR('V', 97, struct v4l2_decoder_cmd)
 #define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
 #define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
 #define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
 #define VIDIOC_ENUM_FREQ_BANDS	_IOWR('V', 101, struct v4l2_frequency_band)
 
 /*
  * Experimental, meant for debugging, testing and internal use.
  * Never use this in applications!
  */
 #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)
 
 #define VIDIOC_QUERY_EXT_CTRL	_IOWR('V', 103, struct v4l2_query_ext_ctrl)
 #define VIDIOC_REMOVE_BUFS	_IOWR('V', 104, struct v4l2_remove_buffers)
 
 
 /* Reminder: when adding new ioctls please add support for them to
    drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
 
 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
 
 /* Deprecated definitions kept for backwards compatibility */
 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
 /*
  * This capability was never implemented, anyone using this cap should drop it
  * from their code.
  */
 #define V4L2_CAP_ASYNCIO 0x02000000
 
 #endif /* __LINUX_VIDEODEV2_H */