* 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 _UAPI__LINUX_VIDEODEV2_H
#define _UAPI__LINUX_VIDEODEV2_H
#ifndef __KERNEL__
#include <sys/time.h>
#endif
#include <linux/compiler.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
*/
#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,
top, bottom, interlaced
depending on whatever it thinks
is approximate ... */
V4L2_FIELD_NONE = 1,
V4L2_FIELD_TOP = 2,
V4L2_FIELD_BOTTOM = 3,
V4L2_FIELD_INTERLACED = 4,
V4L2_FIELD_SEQ_TB = 5,
buffer, top-bottom order */
V4L2_FIELD_SEQ_BT = 6,
V4L2_FIELD_ALTERNATE = 7,
separate buffers */
V4L2_FIELD_INTERLACED_TB = 8,
first and the top field is
transmitted first */
V4L2_FIELD_INTERLACED_BT = 9,
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,
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,
};
#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,
};
enum v4l2_colorspace {
* Default colorspace, i.e. let the driver figure it out.
* Can only be used with video capture.
*/
V4L2_COLORSPACE_DEFAULT = 0,
V4L2_COLORSPACE_SMPTE170M = 1,
V4L2_COLORSPACE_SMPTE240M = 2,
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. This only makes sense when
* dealing with really old PAL/SECAM recordings. Superseded by
* SMPTE 170M.
*/
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,
V4L2_COLORSPACE_SRGB = 8,
V4L2_COLORSPACE_OPRGB = 9,
V4L2_COLORSPACE_BT2020 = 10,
V4L2_COLORSPACE_RAW = 11,
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,
V4L2_YCBCR_ENC_601 = 1,
V4L2_YCBCR_ENC_709 = 2,
V4L2_YCBCR_ENC_XV601 = 3,
V4L2_YCBCR_ENC_XV709 = 4,
#ifndef __KERNEL__
* 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,
#endif
V4L2_YCBCR_ENC_BT2020 = 6,
V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
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 {
V4L2_HSV_ENC_180 = 128,
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.
*/
#ifndef __KERNEL__
#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
#endif
enum v4l2_priority {
V4L2_PRIORITY_UNSET = 0,
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];
};
#define V4L2_CAP_VIDEO_CAPTURE 0x00000001
#define V4L2_CAP_VIDEO_OUTPUT 0x00000002
#define V4L2_CAP_VIDEO_OVERLAY 0x00000004
#define V4L2_CAP_VBI_CAPTURE 0x00000010
#define V4L2_CAP_VBI_OUTPUT 0x00000020
#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040
#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080
#define V4L2_CAP_RDS_CAPTURE 0x00000100
#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200
#define V4L2_CAP_HW_FREQ_SEEK 0x00000400
#define V4L2_CAP_RDS_OUTPUT 0x00000800
#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
#define V4L2_CAP_VIDEO_M2M 0x00008000
#define V4L2_CAP_TUNER 0x00010000
#define V4L2_CAP_AUDIO 0x00020000
#define V4L2_CAP_RADIO 0x00040000
#define V4L2_CAP_MODULATOR 0x00080000
#define V4L2_CAP_SDR_CAPTURE 0x00100000
#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000
#define V4L2_CAP_SDR_OUTPUT 0x00400000
#define V4L2_CAP_META_CAPTURE 0x00800000
#define V4L2_CAP_READWRITE 0x01000000
#define V4L2_CAP_ASYNCIO 0x02000000
#define V4L2_CAP_STREAMING 0x04000000
#define V4L2_CAP_META_OUTPUT 0x08000000
#define V4L2_CAP_TOUCH 0x10000000
#define V4L2_CAP_IO_MC 0x20000000
#define V4L2_CAP_DEVICE_CAPS 0x80000000
* 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;
__u32 bytesperline;
__u32 sizeimage;
__u32 colorspace;
__u32 priv;
__u32 flags;
union {
__u32 ycbcr_enc;
__u32 hsv_enc;
};
__u32 quantization;
__u32 xfer_func;
};
#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1')
#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4')
#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2')
#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2')
#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2')
#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2')
#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2')
#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2')
* Originally this had 'BA12' as fourcc, but this clashed with the older
* V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc.
* So use 'GA12' instead for V4L2_PIX_FMT_BGRA444.
*/
#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2')
#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2')
#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O')
#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5')
#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5')
#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5')
#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5')
#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5')
#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5')
#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5')
#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5')
#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P')
#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q')
#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5')
#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5')
#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R')
#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H')
#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3')
#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3')
#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4')
#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4')
#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4')
#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4')
#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4')
#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4')
#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4')
#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4')
#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4')
#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4')
#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y')
#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ')
#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ')
#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ')
#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ')
#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ')
#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ')
#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ')
#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B')
#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P')
#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8')
#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ')
#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V')
#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V')
#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U')
#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y')
#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y')
#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P')
#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4')
#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O')
#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P')
#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4')
#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V')
#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V')
#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A')
#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X')
#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4')
#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2')
#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0')
#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2')
#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1')
#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6')
#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1')
#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4')
#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2')
#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2')
#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1')
#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6')
#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1')
#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2')
#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2')
#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9')
#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9')
#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P')
#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2')
#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2')
#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P')
#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2')
#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1')
#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6')
#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1')
#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4')
#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2')
#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1')
#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G')
#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G')
#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B')
#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0')
#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0')
#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0')
#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0')
#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')
#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')
#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')
#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2')
#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2')
#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2')
#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')
#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4')
#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4')
#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4')
#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')
#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6')
#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6')
#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6')
#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G')
#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G')
#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd')
#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G')
#define V4L2_PIX_FMT_H265 v4l2_fourcc('H', '2', '6', '5')
#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4')
#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1')
#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4')
#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3')
#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1')
#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2')
#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S')
#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4')
#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D')
#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G')
#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L')
#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0')
#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0')
#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C')
#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T')
#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H')
#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A')
#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A')
#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0')
#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0')
#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1')
#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2')
#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5')
#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1')
#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5')
#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8')
#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1')
#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7')
#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0')
#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0')
#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X')
#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C')
#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G')
#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1')
#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8')
#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0')
#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0')
#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V')
#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I')
#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L')
#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1')
#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I')
#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ')
#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I')
#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ')
#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1')
#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I')
#define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2')
#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4')
#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b')
#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g')
#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G')
#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r')
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8')
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6')
#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8')
#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4')
#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2')
#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6')
#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8')
#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0')
#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6')
#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8')
#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6')
#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8')
#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H')
#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T')
#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H')
#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X')
#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D')
#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
#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;
__u32 type;
__u32 flags;
__u8 description[32];
__u32 pixelformat;
__u32 mbus_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
* 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;
__u32 height;
};
struct v4l2_frmsize_stepwise {
__u32 min_width;
__u32 max_width;
__u32 step_width;
__u32 min_height;
__u32 max_height;
__u32 step_height;
};
struct v4l2_frmsizeenum {
__u32 index;
__u32 pixel_format;
__u32 type;
union {
struct v4l2_frmsize_discrete discrete;
struct v4l2_frmsize_stepwise stepwise;
};
__u32 reserved[2];
};
* 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;
struct v4l2_fract max;
struct v4l2_fract step;
};
struct v4l2_frmivalenum {
__u32 index;
__u32 pixel_format;
__u32 width;
__u32 height;
__u32 type;
union {
struct v4l2_fract discrete;
struct v4l2_frmival_stepwise stepwise;
};
__u32 reserved[2];
};
* 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];
};
#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
#define V4L2_TC_FLAG_DROPFRAME 0x0001
#define V4L2_TC_FLAG_COLORFRAME 0x0002
#define V4L2_TC_USERBITS_field 0x000C
#define V4L2_TC_USERBITS_USERDEFINED 0x0000
#define V4L2_TC_USERBITS_8BITCHARS 0x0008
struct v4l2_jpegcompression {
int quality;
int APPn;
* must be 0..15 */
int APP_len;
char APP_data[60];
int COM_len;
char COM_data[60];
__u32 jpeg_markers;
* 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 V4L2_JPEG_MARKER_DQT (1 << 4)
#define V4L2_JPEG_MARKER_DRI (1 << 5)
#define V4L2_JPEG_MARKER_COM (1 << 6)
#define V4L2_JPEG_MARKER_APP \
(1 << 7)
* always use APP0 */
};
* M E M O R Y - M A P P I N G B U F F E R S
*/
#ifdef __KERNEL__
* This corresponds to the user space version of timeval
* for 64-bit time_t. sparc64 is different from everyone
* else, using the microseconds in the wrong half of the
* second 64-bit word.
*/
struct __kernel_v4l2_timeval {
long long tv_sec;
#if defined(__sparc__) && defined(__arch64__)
int tv_usec;
int __pad;
#else
long long tv_usec;
#endif
};
#endif
struct v4l2_requestbuffers {
__u32 count;
__u32 type;
__u32 memory;
__u32 capabilities;
__u32 reserved[1];
};
#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)
* struct v4l2_plane - plane info for multi-planar buffers
* @bytesused: number of bytes occupied by data in the plane (payload)
* @length: size of this plane (NOT the payload) in bytes
* @mem_offset: when memory in the associated struct v4l2_buffer is
* V4L2_MEMORY_MMAP, equals the offset from the start of
* the device memory for this plane (or is a "cookie" that
* should be passed to mmap() called on the video node)
* @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
* pointing to this plane
* @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
* descriptor associated with this plane
* @data_offset: offset in the plane to the start of data; usually 0,
* unless there is a header in front of the data
*
* Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
* with two planes can have one plane for Y, and another for interleaved CbCr
* components. Each plane can reside in a separate memory buffer, or even in
* a completely separate memory node (e.g. in embedded devices).
*/
struct v4l2_plane {
__u32 bytesused;
__u32 length;
union {
__u32 mem_offset;
unsigned long userptr;
__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
* @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
* offset from the start of the device memory for this plane,
* (or a "cookie" that should be passed to mmap() as offset)
* @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
* a userspace pointer pointing to this buffer
* @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
* a userspace file descriptor associated with this buffer
* @planes: for multiplanar buffers; userspace pointer to the array of plane
* info structs for this buffer
* @length: size in bytes of the buffer (NOT its payload) for single-plane
* buffers (when type != *_MPLANE); number of elements in the
* planes array for multi-plane buffers
* @request_fd: fd of the request that this buffer should use
*
* 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;
#ifdef __KERNEL__
struct __kernel_v4l2_timeval timestamp;
#else
struct timeval timestamp;
#endif
struct v4l2_timecode timecode;
__u32 sequence;
__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;
};
};
#ifndef __KERNEL__
* v4l2_timeval_to_ns - Convert timeval to nanoseconds
* @ts: 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;
}
#endif
#define V4L2_BUF_FLAG_MAPPED 0x00000001
#define V4L2_BUF_FLAG_QUEUED 0x00000002
#define V4L2_BUF_FLAG_DONE 0x00000004
#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
#define V4L2_BUF_FLAG_PFRAME 0x00000010
#define V4L2_BUF_FLAG_BFRAME 0x00000020
#define V4L2_BUF_FLAG_ERROR 0x00000040
#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
#define V4L2_BUF_FLAG_TIMECODE 0x00000100
#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
#define V4L2_BUF_FLAG_PREPARED 0x00000400
#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
#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
#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
#define V4L2_BUF_FLAG_LAST 0x00100000
#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)
*
* 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;
__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;
* region + offset instead of some physical address */
void *base;
struct {
__u32 width;
__u32 height;
__u32 pixelformat;
__u32 field;
__u32 bytesperline;
__u32 sizeimage;
__u32 colorspace;
__u32 priv;
} fmt;
};
#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
#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 __user *next;
};
struct v4l2_window {
struct v4l2_rect w;
__u32 field;
__u32 chromakey;
struct v4l2_clip __user *clips;
__u32 clipcount;
void __user *bitmap;
__u8 global_alpha;
};
* C A P T U R E P A R A M E T E R S
*/
struct v4l2_captureparm {
__u32 capability;
__u32 capturemode;
struct v4l2_fract timeperframe;
__u32 extendedmode;
__u32 readbuffers;
__u32 reserved[4];
};
#define V4L2_MODE_HIGHQUALITY 0x0001
#define V4L2_CAP_TIMEPERFRAME 0x1000
struct v4l2_outputparm {
__u32 capability;
__u32 outputmode;
struct v4l2_fract timeperframe;
__u32 extendedmode;
__u32 writebuffers;
__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;
struct v4l2_rect bounds;
struct v4l2_rect defrect;
struct v4l2_fract pixelaspect;
};
struct v4l2_crop {
__u32 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.
*/
#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
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)
#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D | V4L2_STD_SECAM_K | V4L2_STD_SECAM_K1)
#define V4L2_STD_SECAM \
(V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H | V4L2_STD_SECAM_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)
#define V4L2_STD_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)
#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)
#define V4L2_STD_MTS (V4L2_STD_NTSC_M | V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)
#define V4L2_STD_525_60 (V4L2_STD_PAL_M | V4L2_STD_PAL_60 | V4L2_STD_NTSC | V4L2_STD_NTSC_443)
#define V4L2_STD_625_50 (V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | V4L2_STD_SECAM)
#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB | V4L2_STD_ATSC_16_VSB)
#define V4L2_STD_UNKNOWN 0
#define V4L2_STD_ALL (V4L2_STD_525_60 | V4L2_STD_625_50)
struct v4l2_standard {
__u32 index;
v4l2_std_id id;
__u8 name[24];
struct v4l2_fract frameperiod;
__u32 framelines;
__u32 reserved[4];
};
* D V B T T I M I N G S
*/
* @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));
#define V4L2_DV_PROGRESSIVE 0
#define V4L2_DV_INTERLACED 1
#define V4L2_DV_VSYNC_POS_POL 0x00000001
#define V4L2_DV_HSYNC_POS_POL 0x00000002
#define V4L2_DV_BT_STD_CEA861 (1 << 0)
#define V4L2_DV_BT_STD_DMT (1 << 1)
#define V4L2_DV_BT_STD_CVT (1 << 2)
#define V4L2_DV_BT_STD_GTF (1 << 3)
#define V4L2_DV_BT_STD_SDI (1 << 4)
* 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)
* 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)
#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)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
#define V4L2_DV_BT_FRAME_HEIGHT(bt) ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
* @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));
#define V4L2_DV_BT_656_1120 0
* @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;
};
* @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));
#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
* @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;
__u8 name[32];
__u32 type;
__u32 audioset;
__u32 tuner;
v4l2_std_id std;
__u32 status;
__u32 capabilities;
__u32 reserved[3];
};
#define V4L2_INPUT_TYPE_TUNER 1
#define V4L2_INPUT_TYPE_CAMERA 2
#define V4L2_INPUT_TYPE_TOUCH 3
#define V4L2_IN_ST_NO_POWER 0x00000001
#define V4L2_IN_ST_NO_SIGNAL 0x00000002
#define V4L2_IN_ST_NO_COLOR 0x00000004
#define V4L2_IN_ST_HFLIP 0x00000010
#define V4L2_IN_ST_VFLIP 0x00000020
#define V4L2_IN_ST_NO_H_LOCK 0x00000100
#define V4L2_IN_ST_COLOR_KILL 0x00000200
#define V4L2_IN_ST_NO_V_LOCK 0x00000400
#define V4L2_IN_ST_NO_STD_LOCK 0x00000800
#define V4L2_IN_ST_NO_SYNC 0x00010000
#define V4L2_IN_ST_NO_EQU 0x00020000
#define V4L2_IN_ST_NO_CARRIER 0x00040000
#define V4L2_IN_ST_MACROVISION 0x01000000
#define V4L2_IN_ST_NO_ACCESS 0x02000000
#define V4L2_IN_ST_VTR 0x04000000
#define V4L2_IN_CAP_DV_TIMINGS 0x00000002
#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS
#define V4L2_IN_CAP_STD 0x00000004
#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008
* V I D E O O U T P U T S
*/
struct v4l2_output {
__u32 index;
__u8 name[32];
__u32 type;
__u32 audioset;
__u32 modulator;
v4l2_std_id std;
__u32 capabilities;
__u32 reserved[3];
};
#define V4L2_OUTPUT_TYPE_MODULATOR 1
#define V4L2_OUTPUT_TYPE_ANALOG 2
#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002
#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS
#define V4L2_OUT_CAP_STD 0x00000004
#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008
* 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 __user *string;
__u8 __user *p_u8;
__u16 __user *p_u16;
__u32 __user *p_u32;
struct v4l2_area __user *p_area;
void __user *ptr;
};
} __attribute__((packed));
struct v4l2_ext_controls {
union {
#ifndef __KERNEL__
__u32 ctrl_class;
#endif
__u32 which;
};
__u32 count;
__u32 error_idx;
__s32 request_fd;
__u32 reserved[1];
struct v4l2_ext_control *controls;
};
#define V4L2_CTRL_ID_MASK (0x0fffffff)
#ifndef __KERNEL__
#define V4L2_CTRL_ID2CLASS(id) ((id)&0x0fff0000UL)
#endif
#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,
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,
};
struct v4l2_queryctrl {
__u32 id;
__u32 type;
__u8 name[32];
__s32 minimum;
__s32 maximum;
__s32 step;
__s32 default_value;
__u32 flags;
__u32 reserved[2];
};
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];
};
struct v4l2_querymenu {
__u32 id;
__u32 index;
union {
__u8 name[32];
__s64 value;
};
__u32 reserved;
} __attribute__((packed));
#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_NEXT_CTRL 0x80000000
#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
#define V4L2_CID_MAX_CTRLS 1024
#define V4L2_CID_PRIVATE_BASE 0x08000000
* T U N I N G
*/
struct v4l2_tuner {
__u32 index;
__u8 name[32];
__u32 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;
__u32 reserved[3];
};
#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
#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
#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;
__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;
__u32 index;
__u32 capability;
__u32 rangelow;
__u32 rangehigh;
__u32 modulation;
__u32 reserved[9];
};
struct v4l2_hw_freq_seek {
__u32 tuner;
__u32 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];
};
#define V4L2_AUDCAP_STEREO 0x00001
#define V4L2_AUDCAP_AVL 0x00002
#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)
#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
struct v4l2_encoder_cmd {
__u32 cmd;
__u32 flags;
union {
struct {
__u32 data[8];
} raw;
};
};
#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)
#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
#define V4L2_DEC_START_FMT_NONE (0)
#define V4L2_DEC_START_FMT_GOP (1)
This ensures it can be extended safely in the future. */
struct v4l2_decoder_cmd {
__u32 cmd;
__u32 flags;
union {
struct {
__u64 pts;
} stop;
struct {
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
*/
struct v4l2_vbi_format {
__u32 sampling_rate;
__u32 offset;
__u32 samples_per_line;
__u32 sample_format;
__s32 start[2];
__u32 count[2];
__u32 flags;
__u32 reserved[2];
};
#define V4L2_VBI_UNSYNC (1 << 0)
#define V4L2_VBI_INTERLACED (1 << 1)
#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)
*
* 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[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];
};
(WST), defined on ITU-R BT.653-2 */
#define V4L2_SLICED_TELETEXT_B (0x0001)
#define V4L2_SLICED_VPS (0x0400)
#define V4L2_SLICED_CAPTION_525 (0x1000)
#define V4L2_SLICED_WSS_625 (0x4000)
#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
struct v4l2_sliced_vbi_cap {
__u16 service_set;
service_lines[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;
__u32 reserved[3];
};
struct v4l2_sliced_vbi_data {
__u32 id;
__u32 field;
__u32 line;
__u32 reserved;
__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.
*/
#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;
__u8 data[42];
} __attribute__((packed));
struct v4l2_mpeg_vbi_itv0 {
__le32 linemask[2];
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
*/
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
* @quantization: enum v4l2_quantization, colorspace quantization
* @xfer_func: enum v4l2_xfer_func, colorspace transfer function
*/
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
*/
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
*/
struct v4l2_meta_format {
__u32 dataformat;
__u32 buffersize;
} __attribute__((packed));
* struct v4l2_format - stream data format
* @type: enum v4l2_buf_type; type of the data stream
* @pix: definition of an image format
* @pix_mp: definition of a multiplanar image format
* @win: definition of an overlaid image
* @vbi: raw VBI capture or output parameters
* @sliced: sliced VBI capture or output parameters
* @raw_data: placeholder for future extensions and custom formats
*/
struct v4l2_format {
__u32 type;
union {
struct v4l2_pix_format pix;
struct v4l2_pix_format_mplane pix_mp;
struct v4l2_window win;
struct v4l2_vbi_format vbi;
struct v4l2_sliced_vbi_format sliced;
struct v4l2_sdr_format sdr;
struct v4l2_meta_format meta;
__u8 raw_data[200];
} fmt;
};
*/
struct v4l2_streamparm {
__u32 type;
union {
struct v4l2_captureparm capture;
struct v4l2_outputparm output;
__u8 raw_data[200];
} 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
struct v4l2_event_vsync {
__u8 field;
} __attribute__((packed));
#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
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;
#ifdef __KERNEL__
struct __kernel_timespec timestamp;
#else
struct timespec timestamp;
#endif
__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!
*/
#define V4L2_CHIP_MATCH_BRIDGE 0
#define V4L2_CHIP_MATCH_SUBDEV 4
#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
#define V4L2_CHIP_MATCH_I2C_DRIVER 1
#define V4L2_CHIP_MATCH_I2C_ADDR 2
#define V4L2_CHIP_MATCH_AC97 3
struct v4l2_dbg_match {
__u32 type;
union {
__u32 addr;
char name[32];
};
} __attribute__((packed));
struct v4l2_dbg_register {
struct v4l2_dbg_match match;
__u32 size;
__u64 reg;
__u64 val;
} __attribute__((packed));
#define V4L2_CHIP_FL_READABLE (1 << 0)
#define V4L2_CHIP_FL_WRITABLE (1 << 1)
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.
* @reserved: future extensions
*/
struct v4l2_create_buffers {
__u32 index;
__u32 count;
__u32 memory;
struct v4l2_format format;
__u32 capabilities;
__u32 reserved[7];
};
* 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)
#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32)
#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)
drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
#define BASE_VIDIOC_PRIVATE 192
#endif