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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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@kernel.org> * 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 */
/* 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, /* * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must * be updated if a new type is added. */ /* Deprecated, do not use */ V4L2_BUF_TYPE_PRIVATE = 0x80,};
#define V4L2_TYPE_IS_VALID(type) \ ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\ (type) <= V4L2_BUF_TYPE_META_OUTPUT)
#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_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_VALID(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,
#ifdef __KERNEL__ /* * Largest supported colorspace value, assigned by the compiler, used * by the framework to check for invalid values. */ V4L2_COLORSPACE_LAST,#endif};
/* * 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,#ifdef __KERNEL__ /* * Largest supported transfer function value, assigned by the compiler, * used by the framework to check for invalid values. */ V4L2_XFER_FUNC_LAST,#endif};
/* * 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,
#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
/* 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,#ifdef __KERNEL__ /* * Largest supported encoding value, assigned by the compiler, used by * the framework to check for invalid values. */ V4L2_YCBCR_ENC_LAST,#endif};
/* * 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. */#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, /* 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_NV15 v4l2_fourcc('N', 'V', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit packed */#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_NV20 v4l2_fourcc('N', 'V', '2', '0') /* 20 Y/CbCr 4:2:2 10-bit packed */#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, 3 bytes for every 2 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_AV1 v4l2_fourcc('A', 'V', '0', '1') /* AV1 */#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 */
/* Renesas RZ/V2H CRU packed formats. 64-bit units with contiguous pixels */#define V4L2_PIX_FMT_RAW_CRU10 v4l2_fourcc('C', 'R', '1', '0')#define V4L2_PIX_FMT_RAW_CRU12 v4l2_fourcc('C', 'R', '1', '2')#define V4L2_PIX_FMT_RAW_CRU14 v4l2_fourcc('C', 'R', '1', '4')#define V4L2_PIX_FMT_RAW_CRU20 v4l2_fourcc('C', 'R', '2', '0')
/* 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_UVC_MSXU_1_5 v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU 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 C3_ISP */#define V4L2_META_FMT_C3ISP_PARAMS v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */#define V4L2_META_FMT_C3ISP_STATS v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */
/* 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 */
/* Vendor specific - used for Arm Mali-C55 ISP */#define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM Mali-C55 Parameters */#define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */
#ifdef __KERNEL__/* * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when * adding new ones! */#define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */#define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */#endif
/* 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 */
#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; /* 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;#ifdef __KERNEL__ struct __kernel_v4l2_timeval timestamp;#else struct timeval timestamp;#endif 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; };};
#ifndef __KERNEL__/** * 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;}#endif
/* 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#ifndef __KERNEL__#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008#endif#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 __user *next;};
struct v4l2_window { struct v4l2_rect w; __u32 field; /* enum v4l2_field */ __u32 chromakey; struct v4l2_clip *clips; __u32 clipcount; void __user *bitmap; __u8 global_alpha;};
/* * C A P T U R E P A R A M E T E R S */struct v4l2_captureparm { __u32 capability; /* Supported modes */ __u32 capturemode; /* Current mode */ struct v4l2_fract timeperframe; /* Time per frame in 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 __user *string; __u8 __user *p_u8; __u16 __user *p_u16; __u32 __user *p_u32; __s32 __user *p_s32; __s64 __user *p_s64; struct v4l2_area __user *p_area; struct v4l2_rect __user *p_rect; struct v4l2_ctrl_h264_sps __user *p_h264_sps; struct v4l2_ctrl_h264_pps __user *p_h264_pps; struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; struct v4l2_ctrl_fwht_params __user *p_fwht_params; struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; struct v4l2_ctrl_av1_sequence __user *p_av1_sequence; struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry; struct v4l2_ctrl_av1_frame __user *p_av1_frame; struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain; struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info; struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display; void __user *ptr; } __attribute__ ((packed));} __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#define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000#define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000
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_RECT = 0x0107,
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_HEVC_EXT_SPS_ST_RPS = 0x0275, V4L2_CTRL_TYPE_HEVC_EXT_SPS_LT_RPS = 0x0276,
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#define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000
/* 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;#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! */
/* 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 */#ifndef __KERNEL__#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
#endif /* _UAPI__LINUX_VIDEODEV2_H */