9. Video For Linux Two Header File¶
9.1. videodev2.h¶
/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * Video for Linux Two header file * * Copyright (C) 1999-2012 the contributors * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * Alternatively you can redistribute this file under the terms of the * BSD license as stated below: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. The names of its contributors may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Header file for v4l or V4L2 drivers and applications * with public API. * All kernel-specific stuff were moved to media/v4l2-dev.h, so * no #if __KERNEL tests are allowed here * * See https://linuxtv.org for more info * * Author: Bill Dirks <bill@thedirks.org> * Justin Schoeman * Hans Verkuil <hverkuil@xs4all.nl> * et al. */ #ifndef _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 64 #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 */ enumv4l2_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) enumv4l2_buf_type{V4L2_BUF_TYPE_VIDEO_CAPTURE= 1,V4L2_BUF_TYPE_VIDEO_OUTPUT= 2,V4L2_BUF_TYPE_VIDEO_OVERLAY= 3,V4L2_BUF_TYPE_VBI_CAPTURE= 4,V4L2_BUF_TYPE_VBI_OUTPUT= 5,V4L2_BUF_TYPE_SLICED_VBI_CAPTURE= 6,V4L2_BUF_TYPE_SLICED_VBI_OUTPUT= 7,V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY= 8,V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE= 9,V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE= 10,V4L2_BUF_TYPE_SDR_CAPTURE= 11,V4L2_BUF_TYPE_SDR_OUTPUT= 12,V4L2_BUF_TYPE_META_CAPTURE= 13,V4L2_BUF_TYPE_META_OUTPUT= 14, /* Deprecated, do not use */ V4L2_BUF_TYPE_PRIVATE = 0x80, }; #define V4L2_TYPE_IS_MULTIPLANAR(type) \ ((type) ==V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE\ || (type) ==V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) #define V4L2_TYPE_IS_OUTPUT(type) \ ((type) ==V4L2_BUF_TYPE_VIDEO_OUTPUT\ || (type) ==V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE\ || (type) ==V4L2_BUF_TYPE_VIDEO_OVERLAY\ || (type) ==V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY\ || (type) ==V4L2_BUF_TYPE_VBI_OUTPUT\ || (type) ==V4L2_BUF_TYPE_SLICED_VBI_OUTPUT\ || (type) ==V4L2_BUF_TYPE_SDR_OUTPUT\ || (type) ==V4L2_BUF_TYPE_META_OUTPUT) #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) enumv4l2_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_ADCV4L2_TUNER_SDRenumv4l2_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/ */ enumv4l2_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 forV4L2_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)) enumv4l2_xfer_func{ /* * Mapping ofV4L2_XFER_FUNC_DEFAULTto actual transfer functions * for the various colorspaces: * *V4L2_COLORSPACE_SMPTE170M,V4L2_COLORSPACE_470_SYSTEM_M, *V4L2_COLORSPACE_470_SYSTEM_BG,V4L2_COLORSPACE_REC709and *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))))) enumv4l2_ycbcr_encoding{ /* * Mapping ofV4L2_YCBCR_ENC_DEFAULTto actual encodings for the * various colorspaces: * *V4L2_COLORSPACE_SMPTE170M,V4L2_COLORSPACE_470_SYSTEM_M, *V4L2_COLORSPACE_470_SYSTEM_BG,V4L2_COLORSPACE_SRGB, *V4L2_COLORSPACE_OPRGBandV4L2_COLORSPACE_JPEG:V4L2_YCBCR_ENC_601* *V4L2_COLORSPACE_REC709andV4L2_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 }; /* * enumv4l2_hsv_encodingvalues should not collide with the ones from * enum v4l2_ycbcr_encoding. */ enumv4l2_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))) enumv4l2_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__ #defineV4L2_COLORSPACE_ADOBERGBV4L2_COLORSPACE_OPRGB#defineV4L2_XFER_FUNC_ADOBERGBV4L2_XFER_FUNC_OPRGB#endif enumv4l2_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_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; /* enumv4l2_field*/ __u32 bytesperline; /* for padding, zero if unused */ __u32 sizeimage; __u32 colorspace; /* enumv4l2_colorspace*/ __u32 priv; /* private data, depends on pixelformat */ __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ union { /* enumv4l2_ycbcr_encoding*/ __u32 ycbcr_enc; /* enumv4l2_hsv_encoding*/ __u32 hsv_enc; }; __u32 quantization; /* enumv4l2_quantization*/ __u32 xfer_func; /* enumv4l2_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_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 */ /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ /* Chrominance formats */ #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ /* Luminance+Chrominance formats */ #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ /* * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. */ #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ /* two planes -- one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ /* two non contiguous planes - one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ /* three planes - Y Cb, Cr */ #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ /* three non contiguous planes - Y, Cb, Cr */ #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ /* Tiled YUV formats */ #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ /* Tiled YUV formats, non contiguous planes */ #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') /* 10bit raw bayer a-law compressed to 8 bits */ #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') /* 10bit raw bayer DPCM compressed to 8 bits */ #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ /* HSV formats */ #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') /* compressed formats */ #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ /* Vendor-specific formats */ #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ #define V4L2_PIX_FMT_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 */ /* 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 */ /* SDR formats - used only for Software Defined Radio devices */ #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ /* Touch formats - used for Touch devices */ #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ /* Meta-data formats */ #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ /* Vendor specific - used for RK_ISP1 camera sub-system */ #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ /* priv field value to indicates that subsequent fields are valid. */ #defineV4L2_PIX_FMT_PRIV_MAGIC0xfeedcafe /* 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; /* enumv4l2_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 /* 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 */ enumv4l2_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 */ enumv4l2_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; /* enumv4l2_buf_type*/ __u32 memory; /* enumv4l2_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) /** * struct v4l2_plane - plane info for multi-planar buffers * @bytesused: number of bytes occupied by data in the plane (payload) * @length: size of this plane (NOT the payload) in bytes * @mem_offset: when memory in the associated struct v4l2_buffer is *V4L2_MEMORY_MMAP, equals the offset from the start of * the device memory for this plane (or is a "cookie" that * should be passed to mmap() called on the video node) * @userptr: when memory isV4L2_MEMORY_USERPTR, a userspace pointer * pointing to this plane * @fd: when memory isV4L2_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: enumv4l2_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: enumv4l2_field; field order of the image in the buffer * @timestamp: frame timestamp * @timecode: frame timecode * @sequence: sequence count of this frame * @memory: enumv4l2_memory; the method, in which the actual video data is * passed * @offset: for non-multiplanar buffers with memory ==V4L2_MEMORY_MMAP; * offset from the start of the device memory for this plane, * (or a "cookie" that should be passed to mmap() as offset) * @userptr: for non-multiplanar buffers with memory ==V4L2_MEMORY_USERPTR; * a userspace pointer pointing to this buffer * @fd: for non-multiplanar buffers with memory ==V4L2_MEMORY_DMABUF; * a userspace file descriptor associated with this buffer * @planes: for multiplanar buffers; userspace pointer to the array of plane * info structs for this buffer * @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: enumv4l2_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; /* enumv4l2_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; /* enumv4l2_field*/ __u32 bytesperline; /* for padding, zero if unused */ __u32 sizeimage; __u32 colorspace; /* enumv4l2_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; /* enumv4l2_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 */ #defineV4L2_CAP_TIMEPERFRAME0x1000 /* 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; /* enumv4l2_buf_type*/ struct v4l2_rect bounds; struct v4l2_rect defrect; struct v4l2_fract pixelaspect; }; struct v4l2_crop { __u32 type; /* enumv4l2_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 */ #defineV4L2_DV_PROGRESSIVE0 #defineV4L2_DV_INTERLACED1 /* Polarities. If bit is not set, it is assumed to be negative polarity */ #defineV4L2_DV_VSYNC_POS_POL0x00000001 #defineV4L2_DV_HSYNC_POS_POL0x00000002 /* 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_ctrl_h264_sps __user *p_h264_sps; struct v4l2_ctrl_h264_pps *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; void __user *ptr; }; } __attribute__ ((packed)); struct v4l2_ext_controls { union { #ifndef __KERNEL__ __u32 ctrl_class; #endif __u32 which; }; __u32 count; __u32 error_idx; __s32 request_fd; __u32 reserved[1]; struct v4l2_ext_control *controls; }; #define V4L2_CTRL_ID_MASK (0x0fffffff) #ifndef __KERNEL__ #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) #endif #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) #define V4L2_CTRL_MAX_DIMS (4) #define V4L2_CTRL_WHICH_CUR_VAL 0 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 enumv4l2_ctrl_type{V4L2_CTRL_TYPE_INTEGER= 1,V4L2_CTRL_TYPE_BOOLEAN= 2,V4L2_CTRL_TYPE_MENU= 3,V4L2_CTRL_TYPE_BUTTON= 4,V4L2_CTRL_TYPE_INTEGER64= 5,V4L2_CTRL_TYPE_CTRL_CLASS= 6,V4L2_CTRL_TYPE_STRING= 7,V4L2_CTRL_TYPE_BITMASK= 8,V4L2_CTRL_TYPE_INTEGER_MENU= 9, /* Compound types are >= 0x0100 */ V4L2_CTRL_COMPOUND_TYPES = 0x0100,V4L2_CTRL_TYPE_U8= 0x0100,V4L2_CTRL_TYPE_U16= 0x0101,V4L2_CTRL_TYPE_U32= 0x0102,V4L2_CTRL_TYPE_AREA= 0x0106,V4L2_CTRL_TYPE_HDR10_CLL_INFO= 0x0110,V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY= 0x0111,V4L2_CTRL_TYPE_H264_SPS= 0x0200,V4L2_CTRL_TYPE_H264_PPS= 0x0201,V4L2_CTRL_TYPE_H264_SCALING_MATRIX= 0x0202,V4L2_CTRL_TYPE_H264_SLICE_PARAMS= 0x0203,V4L2_CTRL_TYPE_H264_DECODE_PARAMS= 0x0204,V4L2_CTRL_TYPE_H264_PRED_WEIGHTS= 0x0205,V4L2_CTRL_TYPE_FWHT_PARAMS= 0x0220,V4L2_CTRL_TYPE_VP8_FRAME= 0x0240,V4L2_CTRL_TYPE_MPEG2_QUANTISATION= 0x0250,V4L2_CTRL_TYPE_MPEG2_SEQUENCE= 0x0251,V4L2_CTRL_TYPE_MPEG2_PICTURE= 0x0252,V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR= 0x0260,V4L2_CTRL_TYPE_VP9_FRAME= 0x0261,V4L2_CTRL_TYPE_HEVC_SPS= 0x0270,V4L2_CTRL_TYPE_HEVC_PPS= 0x0271,V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS= 0x0272,V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX= 0x0273,V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS= 0x0274,V4L2_CTRL_TYPE_AV1_SEQUENCE= 0x280,V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY= 0x281,V4L2_CTRL_TYPE_AV1_FRAME= 0x282,V4L2_CTRL_TYPE_AV1_FILM_GRAIN= 0x283, }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ struct v4l2_queryctrl { __u32 id; __u32 type; /* enumv4l2_ctrl_type*/ __u8 name[32]; /* Whatever */ __s32 minimum; /* Note signedness */ __s32 maximum; __s32 step; __s32 default_value; __u32 flags; __u32 reserved[2]; }; /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ struct v4l2_query_ext_ctrl { __u32 id; __u32 type; char name[32]; __s64 minimum; __s64 maximum; __u64 step; __s64 default_value; __u32 flags; __u32 elem_size; __u32 elems; __u32 nr_of_dims; __u32 dims[V4L2_CTRL_MAX_DIMS]; __u32 reserved[32]; }; /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ struct v4l2_querymenu { __u32 id; __u32 index; union { __u8 name[32]; /* Whatever */ __s64 value; }; __u32 reserved; } __attribute__ ((packed)); /* Control flags */ #define V4L2_CTRL_FLAG_DISABLED 0x0001 #define V4L2_CTRL_FLAG_GRABBED 0x0002 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 #define V4L2_CTRL_FLAG_UPDATE 0x0008 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 #define V4L2_CTRL_FLAG_SLIDER 0x0020 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 /* Query flags, to be ORed with the control ID */ #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 /* User-class control IDs defined by V4L2 */ #define V4L2_CID_MAX_CTRLS 1024 /* IDs reserved for driver specific controls */ #define V4L2_CID_PRIVATE_BASE 0x08000000 /* * T U N I N G */ struct v4l2_tuner { __u32 index; __u8 name[32]; __u32 type; /* enumv4l2_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; /* enumv4l2_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; /* enumv4l2_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; /* enumv4l2_tuner_type*/ __u32 index; __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 modulation; __u32 reserved[9]; }; struct v4l2_hw_freq_seek { __u32 tuner; __u32 type; /* enumv4l2_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 #defineV4L2_ENC_IDX_FRAME_I(0) #defineV4L2_ENC_IDX_FRAME_P(1) #defineV4L2_ENC_IDX_FRAME_B(2) #defineV4L2_ENC_IDX_FRAME_MASK(0xf) struct v4l2_enc_idx_entry { __u64 offset; __u64 pts; __u32 length; __u32 flags; __u32 reserved[2]; }; #defineV4L2_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 */ #defineV4L2_VBI_ITU_525_F1_START(1) #defineV4L2_VBI_ITU_525_F2_START(264) #defineV4L2_VBI_ITU_625_F1_START(1) #defineV4L2_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; /* enumv4l2_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: enumv4l2_field; field order (for interlaced video) * @colorspace: enumv4l2_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: enumv4l2_ycbcr_encoding, Y'CbCr encoding * @hsv_enc: enumv4l2_hsv_encoding, HSV encoding * @quantization: enumv4l2_quantization, colorspace quantization * @xfer_func: enumv4l2_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 */ struct v4l2_meta_format { __u32 dataformat; __u32 buffersize; } __attribute__ ((packed)); /** * struct v4l2_format - stream data format * @type: enumv4l2_buf_type; type of the data stream * @pix: definition of an image format * @pix_mp: definition of a multiplanar image format * @win: definition of an overlaid image * @vbi: raw VBI capture or output parameters * @sliced: sliced VBI capture or output parameters * @raw_data: placeholder for future extensions and custom formats * @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; /* enumv4l2_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 beV4L2_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; }; #defineV4L2_EVENT_MD_FL_HAVE_FRAME_SEQ(1 << 0) /** * struct v4l2_event_motion_det - motion detection event * @flags: ifV4L2_EVENT_MD_FL_HAVE_FRAME_SEQis 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: enumv4l2_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). * @reserved: future extensions */ struct v4l2_create_buffers { __u32 index; __u32 count; __u32 memory; struct v4l2_format format; __u32 capabilities; __u32 flags; __u32 reserved[6]; }; /* * 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) /* enumv4l2_priority*/ #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enumv4l2_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) /* 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__ #defineV4L2_PIX_FMT_HM12V4L2_PIX_FMT_NV12_16L16 #defineV4L2_PIX_FMT_SUNXI_TILED_NV12V4L2_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 */