Edit File: videodev2.h
/* * 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 http://linuxtv.org for more info * * Author: Bill Dirks <bill@thedirks.org> * Justin Schoeman * Hans Verkuil <hverkuil@xs4all.nl> * et al. */ #ifndef __LINUX_VIDEODEV2_H #define __LINUX_VIDEODEV2_H #include <sys/time.h> #include <linux/ioctl.h> #include <linux/types.h> #include <linux/v4l2-common.h> #include <linux/v4l2-controls.h> /* * Common stuff for both V4L1 and V4L2 * Moved from videodev.h */ #define VIDEO_MAX_FRAME 32 #define VIDEO_MAX_PLANES 8 /* * M I S C E L L A N E O U S */ /* Four-character-code (FOURCC) */ #define v4l2_fourcc(a, b, c, d)\ ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) /* * E N U M S */ enum v4l2_field { V4L2_FIELD_ANY = 0, /* driver can choose from none, top, bottom, interlaced depending on whatever it thinks is approximate ... */ V4L2_FIELD_NONE = 1, /* this device has no fields ... */ V4L2_FIELD_TOP = 2, /* top field only */ V4L2_FIELD_BOTTOM = 3, /* bottom field only */ V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one buffer, top-bottom order */ V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into separate buffers */ V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field first and the top field is transmitted first */ V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field first and the bottom field is transmitted first */ }; #define V4L2_FIELD_HAS_TOP(field) \ ((field) == V4L2_FIELD_TOP ||\ (field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_INTERLACED_TB ||\ (field) == V4L2_FIELD_INTERLACED_BT ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) #define V4L2_FIELD_HAS_BOTTOM(field) \ ((field) == V4L2_FIELD_BOTTOM ||\ (field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_INTERLACED_TB ||\ (field) == V4L2_FIELD_INTERLACED_BT ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) #define V4L2_FIELD_HAS_BOTH(field) \ ((field) == V4L2_FIELD_INTERLACED ||\ (field) == V4L2_FIELD_INTERLACED_TB ||\ (field) == V4L2_FIELD_INTERLACED_BT ||\ (field) == V4L2_FIELD_SEQ_TB ||\ (field) == V4L2_FIELD_SEQ_BT) enum v4l2_buf_type { V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, V4L2_BUF_TYPE_VBI_CAPTURE = 4, V4L2_BUF_TYPE_VBI_OUTPUT = 5, V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, #if 1 /* Experimental */ V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, #endif V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, /* 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) enum v4l2_tuner_type { V4L2_TUNER_RADIO = 1, V4L2_TUNER_ANALOG_TV = 2, V4L2_TUNER_DIGITAL_TV = 3, }; enum v4l2_memory { V4L2_MEMORY_MMAP = 1, V4L2_MEMORY_USERPTR = 2, V4L2_MEMORY_OVERLAY = 3, V4L2_MEMORY_DMABUF = 4, }; /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ enum v4l2_colorspace { /* ITU-R 601 -- broadcast NTSC/PAL */ V4L2_COLORSPACE_SMPTE170M = 1, /* 1125-Line (US) HDTV */ V4L2_COLORSPACE_SMPTE240M = 2, /* HD and modern captures. */ V4L2_COLORSPACE_REC709 = 3, /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ V4L2_COLORSPACE_BT878 = 4, /* These should be useful. Assume 601 extents. */ V4L2_COLORSPACE_470_SYSTEM_M = 5, V4L2_COLORSPACE_470_SYSTEM_BG = 6, /* I know there will be cameras that send this. So, this is * unspecified chromaticities and full 0-255 on each of the * Y'CbCr components */ V4L2_COLORSPACE_JPEG = 7, /* For RGB colourspaces, this is probably a good start. */ V4L2_COLORSPACE_SRGB = 8, }; enum v4l2_priority { V4L2_PRIORITY_UNSET = 0, /* not initialized */ V4L2_PRIORITY_BACKGROUND = 1, V4L2_PRIORITY_INTERACTIVE = 2, V4L2_PRIORITY_RECORD = 3, V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, }; struct v4l2_rect { __s32 left; __s32 top; __s32 width; __s32 height; }; struct v4l2_fract { __u32 numerator; __u32 denominator; }; /** * 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_READWRITE 0x01000000 /* read/write systemcalls */ #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ /* * V I D E O I M A G E F O R M A T */ struct v4l2_pix_format { __u32 width; __u32 height; __u32 pixelformat; __u32 field; /* enum v4l2_field */ __u32 bytesperline; /* for padding, zero if unused */ __u32 sizeimage; __u32 colorspace; /* enum v4l2_colorspace */ __u32 priv; /* private data, depends on pixelformat */ }; /* Pixel format FOURCC depth Description */ /* RGB formats */ #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ /* Grey formats */ #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ /* Grey bit-packed formats */ #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ /* Chrominance formats */ #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ /* Luminance+Chrominance formats */ #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ /* two planes -- one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ #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 */ /* 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_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ /* 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 */ /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ /* 10bit raw bayer 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') /* * 10bit raw bayer, expanded to 16 bits * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... */ #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ /* compressed formats */ #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 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_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 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 */ /* 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 */ /* * F O R M A T E N U M E R A T I O N */ struct v4l2_fmtdesc { __u32 index; /* Format number */ __u32 type; /* enum v4l2_buf_type */ __u32 flags; __u8 description[32]; /* Description string */ __u32 pixelformat; /* Format fourcc */ __u32 reserved[4]; }; #define V4L2_FMT_FLAG_COMPRESSED 0x0001 #define V4L2_FMT_FLAG_EMULATED 0x0002 #if 1 /* Experimental Frame Size and frame rate enumeration */ /* * F R A M E S I Z E E N U M E R A T I O N */ enum v4l2_frmsizetypes { V4L2_FRMSIZE_TYPE_DISCRETE = 1, V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, V4L2_FRMSIZE_TYPE_STEPWISE = 3, }; struct v4l2_frmsize_discrete { __u32 width; /* Frame width [pixel] */ __u32 height; /* Frame height [pixel] */ }; struct v4l2_frmsize_stepwise { __u32 min_width; /* Minimum frame width [pixel] */ __u32 max_width; /* Maximum frame width [pixel] */ __u32 step_width; /* Frame width step size [pixel] */ __u32 min_height; /* Minimum frame height [pixel] */ __u32 max_height; /* Maximum frame height [pixel] */ __u32 step_height; /* Frame height step size [pixel] */ }; struct v4l2_frmsizeenum { __u32 index; /* Frame size number */ __u32 pixel_format; /* Pixel format */ __u32 type; /* Frame size type the device supports. */ union { /* Frame size */ struct v4l2_frmsize_discrete discrete; struct v4l2_frmsize_stepwise stepwise; }; __u32 reserved[2]; /* Reserved space for future use */ }; /* * F R A M E R A T E E N U M E R A T I O N */ enum v4l2_frmivaltypes { V4L2_FRMIVAL_TYPE_DISCRETE = 1, V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, V4L2_FRMIVAL_TYPE_STEPWISE = 3, }; struct v4l2_frmival_stepwise { struct v4l2_fract min; /* Minimum frame interval [s] */ struct v4l2_fract max; /* Maximum frame interval [s] */ struct v4l2_fract step; /* Frame interval step size [s] */ }; struct v4l2_frmivalenum { __u32 index; /* Frame format index */ __u32 pixel_format; /* Pixel format */ __u32 width; /* Frame width */ __u32 height; /* Frame height */ __u32 type; /* Frame interval type the device supports. */ union { /* Frame interval */ struct v4l2_fract discrete; struct v4l2_frmival_stepwise stepwise; }; __u32 reserved[2]; /* Reserved space for future use */ }; #endif /* * T I M E C O D E */ struct v4l2_timecode { __u32 type; __u32 flags; __u8 frames; __u8 seconds; __u8 minutes; __u8 hours; __u8 userbits[4]; }; /* Type */ #define V4L2_TC_TYPE_24FPS 1 #define V4L2_TC_TYPE_25FPS 2 #define V4L2_TC_TYPE_30FPS 3 #define V4L2_TC_TYPE_50FPS 4 #define V4L2_TC_TYPE_60FPS 5 /* Flags */ #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ #define V4L2_TC_FLAG_COLORFRAME 0x0002 #define V4L2_TC_USERBITS_field 0x000C #define V4L2_TC_USERBITS_USERDEFINED 0x0000 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 /* The above is based on SMPTE timecodes */ struct v4l2_jpegcompression { int quality; int APPn; /* Number of APP segment to be written, * must be 0..15 */ int APP_len; /* Length of data in JPEG APPn segment */ char APP_data[60]; /* Data in the JPEG APPn segment. */ int COM_len; /* Length of data in JPEG COM segment */ char COM_data[60]; /* Data in JPEG COM segment */ __u32 jpeg_markers; /* Which markers should go into the JPEG * output. Unless you exactly know what * you do, leave them untouched. * Inluding less markers will make the * resulting code smaller, but there will * be fewer applications which can read it. * The presence of the APP and COM marker * is influenced by APP_len and COM_len * ONLY, not by this property! */ #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will * allways use APP0 */ }; /* * M E M O R Y - M A P P I N G B U F F E R S */ struct v4l2_requestbuffers { __u32 count; __u32 type; /* enum v4l2_buf_type */ __u32 memory; /* enum v4l2_memory */ __u32 reserved[2]; }; /** * struct v4l2_plane - plane info for multi-planar buffers * @bytesused: number of bytes occupied by data in the plane (payload) * @length: size of this plane (NOT the payload) in bytes * @mem_offset: when memory in the associated struct v4l2_buffer is * V4L2_MEMORY_MMAP, equals the offset from the start of * the device memory for this plane (or is a "cookie" that * should be passed to mmap() called on the video node) * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer * pointing to this plane * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file * descriptor associated with this plane * @data_offset: offset in the plane to the start of data; usually 0, * unless there is a header in front of the data * * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer * with two planes can have one plane for Y, and another for interleaved CbCr * components. Each plane can reside in a separate memory buffer, or even in * a completely separate memory node (e.g. in embedded devices). */ struct v4l2_plane { __u32 bytesused; __u32 length; union { __u32 mem_offset; unsigned long userptr; __s32 fd; } m; __u32 data_offset; __u32 reserved[11]; }; /** * struct v4l2_buffer - video buffer info * @index: id number of the buffer * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for * multiplanar buffers); * @bytesused: number of bytes occupied by data in the buffer (payload); * unused (set to 0) for multiplanar buffers * @flags: buffer informational flags * @field: enum v4l2_field; field order of the image in the buffer * @timestamp: frame timestamp * @timecode: frame timecode * @sequence: sequence count of this frame * @memory: enum v4l2_memory; the method, in which the actual video data is * passed * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; * offset from the start of the device memory for this plane, * (or a "cookie" that should be passed to mmap() as offset) * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; * a userspace pointer pointing to this buffer * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; * a userspace file descriptor associated with this buffer * @planes: for multiplanar buffers; userspace pointer to the array of plane * info structs for this buffer * @length: size in bytes of the buffer (NOT its payload) for single-plane * buffers (when type != *_MPLANE); number of elements in the * planes array for multi-plane buffers * @input: input number from which the video data has has been captured * * Contains data exchanged by application and driver using one of the Streaming * I/O methods. */ struct v4l2_buffer { __u32 index; __u32 type; __u32 bytesused; __u32 flags; __u32 field; struct timeval timestamp; struct v4l2_timecode timecode; __u32 sequence; /* memory location */ __u32 memory; union { __u32 offset; unsigned long userptr; struct v4l2_plane *planes; __s32 fd; } m; __u32 length; __u32 reserved2; __u32 reserved; }; /* Flags for 'flags' field */ #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ /* Buffer is ready, but the data contained within is corrupted. */ #define V4L2_BUF_FLAG_ERROR 0x0040 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ #define V4L2_BUF_FLAG_PREPARED 0x0400 /* Buffer is prepared for queuing */ /* Cache handling flags */ #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 /* Timestamp type */ #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000 /** * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor * * @index: id number of the buffer * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for * multiplanar buffers); * @plane: index of the plane to be exported, 0 for single plane queues * @flags: flags for newly created file, currently only O_CLOEXEC is * supported, refer to manual of open syscall for more details * @fd: file descriptor associated with DMABUF (set by driver) * * Contains data used for exporting a video buffer as DMABUF file descriptor. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF * (identical to the cookie used to mmap() the buffer to userspace). All * reserved fields must be set to zero. The field reserved0 is expected to * become a structure 'type' allowing an alternative layout of the structure * content. Therefore this field should not be used for any other extensions. */ struct v4l2_exportbuffer { __u32 type; /* enum v4l2_buf_type */ __u32 index; __u32 plane; __u32 flags; __s32 fd; __u32 reserved[11]; }; /* * O V E R L A Y P R E V I E W */ struct v4l2_framebuffer { __u32 capability; __u32 flags; /* FIXME: in theory we should pass something like PCI device + memory * region + offset instead of some physical address */ void *base; struct v4l2_pix_format fmt; }; /* Flags for the 'capability' field. Read only */ #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 /* Flags for the 'flags' field. */ #define V4L2_FBUF_FLAG_PRIMARY 0x0001 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 struct v4l2_clip { struct v4l2_rect c; struct v4l2_clip *next; }; struct v4l2_window { struct v4l2_rect w; __u32 field; /* enum v4l2_field */ __u32 chromakey; struct v4l2_clip *clips; __u32 clipcount; void *bitmap; __u8 global_alpha; }; /* * C A P T U R E P A R A M E T E R S */ struct v4l2_captureparm { __u32 capability; /* Supported modes */ __u32 capturemode; /* Current mode */ struct v4l2_fract timeperframe; /* Time per frame in seconds */ __u32 extendedmode; /* Driver-specific extensions */ __u32 readbuffers; /* # of buffers for read */ __u32 reserved[4]; }; /* Flags for 'capability' and 'capturemode' fields */ #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ struct v4l2_outputparm { __u32 capability; /* Supported modes */ __u32 outputmode; /* Current mode */ struct v4l2_fract timeperframe; /* Time per frame in seconds */ __u32 extendedmode; /* Driver-specific extensions */ __u32 writebuffers; /* # of buffers for write */ __u32 reserved[4]; }; /* * I N P U T I M A G E C R O P P I N G */ struct v4l2_cropcap { __u32 type; /* enum v4l2_buf_type */ struct v4l2_rect bounds; struct v4l2_rect defrect; struct v4l2_fract pixelaspect; }; struct v4l2_crop { __u32 type; /* enum v4l2_buf_type */ struct v4l2_rect c; }; /** * struct v4l2_selection - selection info * @type: buffer type (do not use *_MPLANE types) * @target: Selection target, used to choose one of possible rectangles; * defined in v4l2-common.h; V4L2_SEL_TGT_* . * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. * @r: coordinates of selection window * @reserved: for future use, rounds structure size to 64 bytes, set to zero * * Hardware may use multiple helper windows to process a video stream. * The structure is used to exchange this selection areas between * an application and a driver. */ struct v4l2_selection { __u32 type; __u32 target; __u32 flags; struct v4l2_rect r; __u32 reserved[9]; }; /* * A N A L O G V I D E O S T A N D A R D */ typedef __u64 v4l2_std_id; /* 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 mising 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 * @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; __u32 reserved[14]; } __attribute__ ((packed)); /* Interlaced or progressive format */ #define V4L2_DV_PROGRESSIVE 0 #define V4L2_DV_INTERLACED 1 /* Polarities. If bit is not set, it is assumed to be negative polarity */ #define V4L2_DV_VSYNC_POS_POL 0x00000001 #define V4L2_DV_HSYNC_POS_POL 0x00000002 /* Timings standards */ #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ /* 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) /** 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 * @reserved: must be zeroed * @timings: the timings for the given index */ struct v4l2_enum_dv_timings { __u32 index; __u32 reserved[3]; 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) * @bt: the BT656/1120 timings capabilities */ struct v4l2_dv_timings_cap { __u32 type; __u32 reserved[3]; 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; /* enum v4l2_tuner_type */ v4l2_std_id std; __u32 status; __u32 capabilities; __u32 reserved[3]; }; /* Values for the 'type' field */ #define V4L2_INPUT_TYPE_TUNER 1 #define V4L2_INPUT_TYPE_CAMERA 2 /* field 'status' - general */ #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ #define V4L2_IN_ST_NO_SIGNAL 0x00000002 #define V4L2_IN_ST_NO_COLOR 0x00000004 /* field 'status' - sensor orientation */ /* If sensor is mounted upside down set both bits */ #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ /* field 'status' - analog */ #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ /* field 'status' - digital */ #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ /* field 'status' - VCR and set-top box */ #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ /* capabilities flags */ #define V4L2_IN_CAP_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 */ /* * 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 */ /* * C O N T R O L S */ struct v4l2_control { __u32 id; __s32 value; }; struct v4l2_ext_control { __u32 id; __u32 size; __u32 reserved2[1]; union { __s32 value; __s64 value64; char *string; }; } __attribute__ ((packed)); struct v4l2_ext_controls { __u32 ctrl_class; __u32 count; __u32 error_idx; __u32 reserved[2]; struct v4l2_ext_control *controls; }; #define V4L2_CTRL_ID_MASK (0x0fffffff) #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) enum v4l2_ctrl_type { V4L2_CTRL_TYPE_INTEGER = 1, V4L2_CTRL_TYPE_BOOLEAN = 2, V4L2_CTRL_TYPE_MENU = 3, V4L2_CTRL_TYPE_BUTTON = 4, V4L2_CTRL_TYPE_INTEGER64 = 5, V4L2_CTRL_TYPE_CTRL_CLASS = 6, V4L2_CTRL_TYPE_STRING = 7, V4L2_CTRL_TYPE_BITMASK = 8, V4L2_CTRL_TYPE_INTEGER_MENU = 9, }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ struct v4l2_queryctrl { __u32 id; __u32 type; /* enum v4l2_ctrl_type */ __u8 name[32]; /* Whatever */ __s32 minimum; /* Note signedness */ __s32 maximum; __s32 step; __s32 default_value; __u32 flags; __u32 reserved[2]; }; /* Used in the VIDIOC_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 /* Query flag, to be ORed with the control ID */ #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 /* User-class control IDs defined by V4L2 */ #define V4L2_CID_MAX_CTRLS 1024 /* IDs reserved for driver specific controls */ #define V4L2_CID_PRIVATE_BASE 0x08000000 /* * T U N I N G */ struct v4l2_tuner { __u32 index; __u8 name[32]; __u32 type; /* enum v4l2_tuner_type */ __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 rxsubchans; __u32 audmode; __s32 signal; __s32 afc; __u32 reserved[4]; }; struct v4l2_modulator { __u32 index; __u8 name[32]; __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 txsubchans; __u32 reserved[4]; }; /* 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 /* Flags for the 'rxsubchans' field */ #define V4L2_TUNER_SUB_MONO 0x0001 #define V4L2_TUNER_SUB_STEREO 0x0002 #define V4L2_TUNER_SUB_LANG2 0x0004 #define V4L2_TUNER_SUB_SAP 0x0004 #define V4L2_TUNER_SUB_LANG1 0x0008 #define V4L2_TUNER_SUB_RDS 0x0010 /* Values for the 'audmode' field */ #define V4L2_TUNER_MODE_MONO 0x0000 #define V4L2_TUNER_MODE_STEREO 0x0001 #define V4L2_TUNER_MODE_LANG2 0x0002 #define V4L2_TUNER_MODE_SAP 0x0002 #define V4L2_TUNER_MODE_LANG1 0x0003 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 struct v4l2_frequency { __u32 tuner; __u32 type; /* enum v4l2_tuner_type */ __u32 frequency; __u32 reserved[8]; }; #define V4L2_BAND_MODULATION_VSB (1 << 1) #define V4L2_BAND_MODULATION_FM (1 << 2) #define V4L2_BAND_MODULATION_AM (1 << 3) struct v4l2_frequency_band { __u32 tuner; __u32 type; /* enum v4l2_tuner_type */ __u32 index; __u32 capability; __u32 rangelow; __u32 rangehigh; __u32 modulation; __u32 reserved[9]; }; struct v4l2_hw_freq_seek { __u32 tuner; __u32 type; /* enum v4l2_tuner_type */ __u32 seek_upward; __u32 wrap_around; __u32 spacing; __u32 rangelow; __u32 rangehigh; __u32 reserved[5]; }; /* * R D S */ struct v4l2_rds_data { __u8 lsb; __u8 msb; __u8 block; } __attribute__ ((packed)); #define V4L2_RDS_BLOCK_MSK 0x7 #define V4L2_RDS_BLOCK_A 0 #define V4L2_RDS_BLOCK_B 1 #define V4L2_RDS_BLOCK_C 2 #define V4L2_RDS_BLOCK_D 3 #define V4L2_RDS_BLOCK_C_ALT 4 #define V4L2_RDS_BLOCK_INVALID 7 #define V4L2_RDS_BLOCK_CORRECTED 0x40 #define V4L2_RDS_BLOCK_ERROR 0x80 /* * A U D I O */ struct v4l2_audio { __u32 index; __u8 name[32]; __u32 capability; __u32 mode; __u32 reserved[2]; }; /* Flags for the 'capability' field */ #define V4L2_AUDCAP_STEREO 0x00001 #define V4L2_AUDCAP_AVL 0x00002 /* Flags for the 'mode' field */ #define V4L2_AUDMODE_AVL 0x00001 struct v4l2_audioout { __u32 index; __u8 name[32]; __u32 capability; __u32 mode; __u32 reserved[2]; }; /* * M P E G S E R V I C E S * * NOTE: EXPERIMENTAL API */ #if 1 #define V4L2_ENC_IDX_FRAME_I (0) #define V4L2_ENC_IDX_FRAME_P (1) #define V4L2_ENC_IDX_FRAME_B (2) #define V4L2_ENC_IDX_FRAME_MASK (0xf) struct v4l2_enc_idx_entry { __u64 offset; __u64 pts; __u32 length; __u32 flags; __u32 reserved[2]; }; #define V4L2_ENC_IDX_ENTRIES (64) struct v4l2_enc_idx { __u32 entries; __u32 entries_cap; __u32 reserved[4]; struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; }; #define V4L2_ENC_CMD_START (0) #define V4L2_ENC_CMD_STOP (1) #define V4L2_ENC_CMD_PAUSE (2) #define V4L2_ENC_CMD_RESUME (3) /* Flags for V4L2_ENC_CMD_STOP */ #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) struct v4l2_encoder_cmd { __u32 cmd; __u32 flags; union { struct { __u32 data[8]; } raw; }; }; /* 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) /* 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) /* Sliced VBI * * This implements is a proposal V4L2 API to allow SLICED VBI * required for some hardware encoders. It should change without * notice in the definitive implementation. */ struct v4l2_sliced_vbi_format { __u16 service_set; /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field (equals frame lines 313-336 for 625 line video standards, 263-286 for 525 line standards) */ __u16 service_lines[2][24]; __u32 io_size; __u32 reserved[2]; /* must be zero */ }; /* Teletext World System Teletext (WST), defined on ITU-R BT.653-2 */ #define V4L2_SLICED_TELETEXT_B (0x0001) /* Video Program System, defined on ETS 300 231*/ #define V4L2_SLICED_VPS (0x0400) /* Closed Caption, defined on EIA-608 */ #define V4L2_SLICED_CAPTION_525 (0x1000) /* Wide Screen System, defined on ITU-R BT1119.1 */ #define V4L2_SLICED_WSS_625 (0x4000) #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) struct v4l2_sliced_vbi_cap { __u16 service_set; /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field (equals frame lines 313-336 for 625 line video standards, 263-286 for 525 line standards) */ __u16 service_lines[2][24]; __u32 type; /* enum v4l2_buf_type */ __u32 reserved[3]; /* must be 0 */ }; struct v4l2_sliced_vbi_data { __u32 id; __u32 field; /* 0: first field, 1: second field */ __u32 line; /* 1-23 */ __u32 reserved; /* must be 0 */ __u8 data[48]; }; /* * Sliced VBI data inserted into MPEG Streams */ /* * V4L2_MPEG_STREAM_VBI_FMT_IVTV: * * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI * data * * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header * definitions are not included here. See the MPEG-2 specifications for details * on these headers. */ /* Line type IDs */ #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) #define V4L2_MPEG_VBI_IVTV_VPS (7) struct v4l2_mpeg_vbi_itv0_line { __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ __u8 data[42]; /* Sliced VBI data for the line */ } __attribute__ ((packed)); struct v4l2_mpeg_vbi_itv0 { __le32 linemask[2]; /* Bitmasks of VBI service lines present */ struct v4l2_mpeg_vbi_itv0_line line[35]; } __attribute__ ((packed)); struct v4l2_mpeg_vbi_ITV0 { struct v4l2_mpeg_vbi_itv0_line line[36]; } __attribute__ ((packed)); #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" struct v4l2_mpeg_vbi_fmt_ivtv { __u8 magic[4]; union { struct v4l2_mpeg_vbi_itv0 itv0; struct v4l2_mpeg_vbi_ITV0 ITV0; }; } __attribute__ ((packed)); /* * A G G R E G A T E S T R U C T U R E S */ /** * struct v4l2_plane_pix_format - additional, per-plane format definition * @sizeimage: maximum size in bytes required for data, for which * this plane will be used * @bytesperline: distance in bytes between the leftmost pixels in two * adjacent lines */ struct v4l2_plane_pix_format { __u32 sizeimage; __u16 bytesperline; __u16 reserved[7]; } __attribute__ ((packed)); /** * struct v4l2_pix_format_mplane - multiplanar format definition * @width: image width in pixels * @height: image height in pixels * @pixelformat: little endian four character code (fourcc) * @field: enum v4l2_field; field order (for interlaced video) * @colorspace: enum v4l2_colorspace; supplemental to pixelformat * @plane_fmt: per-plane information * @num_planes: number of planes for this format */ 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 reserved[11]; } __attribute__ ((packed)); /** * struct v4l2_format - stream data format * @type: enum v4l2_buf_type; type of the data stream * @pix: definition of an image format * @pix_mp: definition of a multiplanar image format * @win: definition of an overlaid image * @vbi: raw VBI capture or output parameters * @sliced: sliced VBI capture or output parameters * @raw_data: placeholder for future extensions and custom formats */ struct v4l2_format { __u32 type; union { struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ __u8 raw_data[200]; /* user-defined */ } fmt; }; /* Stream type-dependent parameters */ struct v4l2_streamparm { __u32 type; /* enum v4l2_buf_type */ union { struct v4l2_captureparm capture; struct v4l2_outputparm output; __u8 raw_data[200]; /* user-defined */ } parm; }; /* * E V E N T S */ #define V4L2_EVENT_ALL 0 #define V4L2_EVENT_VSYNC 1 #define V4L2_EVENT_EOS 2 #define V4L2_EVENT_CTRL 3 #define V4L2_EVENT_FRAME_SYNC 4 #define V4L2_EVENT_PRIVATE_START 0x08000000 /* Payload for V4L2_EVENT_VSYNC */ struct v4l2_event_vsync { /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ __u8 field; } __attribute__ ((packed)); /* Payload for V4L2_EVENT_CTRL */ #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 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; }; struct v4l2_event { __u32 type; union { struct v4l2_event_vsync vsync; struct v4l2_event_ctrl ctrl; struct v4l2_event_frame_sync frame_sync; __u8 data[64]; } u; __u32 pending; __u32 sequence; struct timespec timestamp; __u32 id; __u32 reserved[8]; }; #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) struct v4l2_event_subscription { __u32 type; __u32 id; __u32 flags; __u32 reserved[5]; }; /* * A D V A N C E D D E B U G G I N G * * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! */ /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ #define V4L2_CHIP_MATCH_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 anciliary AC97 chip */ #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 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)); /* VIDIOC_DBG_G_CHIP_IDENT */ struct v4l2_dbg_chip_ident { struct v4l2_dbg_match match; __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */ __u32 revision; /* chip revision, chip specific */ } __attribute__ ((packed)); #define V4L2_CHIP_FL_READABLE (1 << 0) #define V4L2_CHIP_FL_WRITABLE (1 << 1) /* VIDIOC_DBG_G_CHIP_INFO */ struct v4l2_dbg_chip_info { struct v4l2_dbg_match match; char name[32]; __u32 flags; __u32 reserved[32]; } __attribute__ ((packed)); /** * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument * @index: on return, index of the first created buffer * @count: entry: number of requested buffers, * return: number of created buffers * @memory: enum v4l2_memory; buffer memory type * @format: frame format, for which buffers are requested * @reserved: future extensions */ struct v4l2_create_buffers { __u32 index; __u32 count; __u32 memory; struct v4l2_format format; __u32 reserved[8]; }; /* * 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_RESERVED _IO('V', 1) #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_OUTPUT _IOR('V', 46, int) #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) #define VIDIOC_LOG_STATUS _IO('V', 70) #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) /* Experimental, meant for debugging, testing and internal use. Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. You must be root to use these ioctls. Never use these in applications! */ #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) /* Experimental, meant for debugging, testing and internal use. Never use this ioctl in applications! Note: this ioctl is deprecated in favor of VIDIOC_DBG_G_CHIP_INFO and will go away in the future. */ #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident) #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) /* Experimental, the below two ioctls may change over the next couple of kernel versions */ #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) /* Experimental selection API */ #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) /* Experimental, these two ioctls may change over the next couple of kernel versions. */ #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) /* Experimental, these three ioctls may change over the next couple of kernel versions. */ #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) /* Experimental, this ioctl may change over the next couple of kernel versions. */ #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) /* Experimental, meant for debugging, testing and internal use. Never use these in applications! */ #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) /* Reminder: when adding new ioctls please add support for them to drivers/media/video/v4l2-compat-ioctl32.c as well! */ #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ #endif /* __LINUX_VIDEODEV2_H */