/* 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 <[email protected]> * Justin Schoeman * Hans Verkuil <[email protected]> * 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 … #define VIDEO_MAX_PLANES … /* * M I S C E L L A N E O U S */ /* Four-character-code (FOURCC) */ #define v4l2_fourcc(a, b, c, d) … #define v4l2_fourcc_be(a, b, c, d) … /* * E N U M S */ enum v4l2_field { … }; #define V4L2_FIELD_HAS_TOP(field) … #define V4L2_FIELD_HAS_BOTTOM(field) … #define V4L2_FIELD_HAS_BOTH(field) … #define V4L2_FIELD_HAS_T_OR_B(field) … #define V4L2_FIELD_IS_INTERLACED(field) … #define V4L2_FIELD_IS_SEQUENTIAL(field) … enum v4l2_buf_type { … }; #define V4L2_TYPE_IS_MULTIPLANAR(type) … #define V4L2_TYPE_IS_OUTPUT(type) … #define V4L2_TYPE_IS_CAPTURE(type) … enum v4l2_tuner_type { … }; /* Deprecated, do not use */ #define V4L2_TUNER_ADC … enum v4l2_memory { … }; /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ enum v4l2_colorspace { … }; /* * 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) … enum v4l2_xfer_func { … }; /* * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. * This depends on the colorspace. */ #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) … enum v4l2_ycbcr_encoding { … }; /* * enum v4l2_hsv_encoding values should not collide with the ones from * enum v4l2_ycbcr_encoding. */ enum v4l2_hsv_encoding { … }; /* * 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) … enum v4l2_quantization { … }; /* * 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) … /* * Deprecated names for opRGB colorspace (IEC 61966-2-5) * * WARNING: Please don't use these deprecated defines in your code, as * there is a chance we have to remove them in the future. */ #ifndef __KERNEL__ #define V4L2_COLORSPACE_ADOBERGB … #define V4L2_XFER_FUNC_ADOBERGB … #endif enum v4l2_priority { … }; struct v4l2_rect { … }; struct v4l2_fract { … }; struct v4l2_area { … }; /** * 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 { … }; /* Values for 'capabilities' field */ #define V4L2_CAP_VIDEO_CAPTURE … #define V4L2_CAP_VIDEO_OUTPUT … #define V4L2_CAP_VIDEO_OVERLAY … #define V4L2_CAP_VBI_CAPTURE … #define V4L2_CAP_VBI_OUTPUT … #define V4L2_CAP_SLICED_VBI_CAPTURE … #define V4L2_CAP_SLICED_VBI_OUTPUT … #define V4L2_CAP_RDS_CAPTURE … #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY … #define V4L2_CAP_HW_FREQ_SEEK … #define V4L2_CAP_RDS_OUTPUT … /* Is a video capture device that supports multiplanar formats */ #define V4L2_CAP_VIDEO_CAPTURE_MPLANE … /* Is a video output device that supports multiplanar formats */ #define V4L2_CAP_VIDEO_OUTPUT_MPLANE … /* Is a video mem-to-mem device that supports multiplanar formats */ #define V4L2_CAP_VIDEO_M2M_MPLANE … /* Is a video mem-to-mem device */ #define V4L2_CAP_VIDEO_M2M … #define V4L2_CAP_TUNER … #define V4L2_CAP_AUDIO … #define V4L2_CAP_RADIO … #define V4L2_CAP_MODULATOR … #define V4L2_CAP_SDR_CAPTURE … #define V4L2_CAP_EXT_PIX_FORMAT … #define V4L2_CAP_SDR_OUTPUT … #define V4L2_CAP_META_CAPTURE … #define V4L2_CAP_READWRITE … #define V4L2_CAP_EDID … #define V4L2_CAP_STREAMING … #define V4L2_CAP_META_OUTPUT … #define V4L2_CAP_TOUCH … #define V4L2_CAP_IO_MC … #define V4L2_CAP_DEVICE_CAPS … /* * V I D E O I M A G E F O R M A T */ struct v4l2_pix_format { … }; /* Pixel format FOURCC depth Description */ /* RGB formats (1 or 2 bytes per pixel) */ #define V4L2_PIX_FMT_RGB332 … #define V4L2_PIX_FMT_RGB444 … #define V4L2_PIX_FMT_ARGB444 … #define V4L2_PIX_FMT_XRGB444 … #define V4L2_PIX_FMT_RGBA444 … #define V4L2_PIX_FMT_RGBX444 … #define V4L2_PIX_FMT_ABGR444 … #define V4L2_PIX_FMT_XBGR444 … #define V4L2_PIX_FMT_BGRA444 … #define V4L2_PIX_FMT_BGRX444 … #define V4L2_PIX_FMT_RGB555 … #define V4L2_PIX_FMT_ARGB555 … #define V4L2_PIX_FMT_XRGB555 … #define V4L2_PIX_FMT_RGBA555 … #define V4L2_PIX_FMT_RGBX555 … #define V4L2_PIX_FMT_ABGR555 … #define V4L2_PIX_FMT_XBGR555 … #define V4L2_PIX_FMT_BGRA555 … #define V4L2_PIX_FMT_BGRX555 … #define V4L2_PIX_FMT_RGB565 … #define V4L2_PIX_FMT_RGB555X … #define V4L2_PIX_FMT_ARGB555X … #define V4L2_PIX_FMT_XRGB555X … #define V4L2_PIX_FMT_RGB565X … /* RGB formats (3 or 4 bytes per pixel) */ #define V4L2_PIX_FMT_BGR666 … #define V4L2_PIX_FMT_BGR24 … #define V4L2_PIX_FMT_RGB24 … #define V4L2_PIX_FMT_BGR32 … #define V4L2_PIX_FMT_ABGR32 … #define V4L2_PIX_FMT_XBGR32 … #define V4L2_PIX_FMT_BGRA32 … #define V4L2_PIX_FMT_BGRX32 … #define V4L2_PIX_FMT_RGB32 … #define V4L2_PIX_FMT_RGBA32 … #define V4L2_PIX_FMT_RGBX32 … #define V4L2_PIX_FMT_ARGB32 … #define V4L2_PIX_FMT_XRGB32 … #define V4L2_PIX_FMT_RGBX1010102 … #define V4L2_PIX_FMT_RGBA1010102 … #define V4L2_PIX_FMT_ARGB2101010 … /* RGB formats (6 or 8 bytes per pixel) */ #define V4L2_PIX_FMT_BGR48_12 … #define V4L2_PIX_FMT_BGR48 … #define V4L2_PIX_FMT_RGB48 … #define V4L2_PIX_FMT_ABGR64_12 … /* Grey formats */ #define V4L2_PIX_FMT_GREY … #define V4L2_PIX_FMT_Y4 … #define V4L2_PIX_FMT_Y6 … #define V4L2_PIX_FMT_Y10 … #define V4L2_PIX_FMT_Y12 … #define V4L2_PIX_FMT_Y012 … #define V4L2_PIX_FMT_Y14 … #define V4L2_PIX_FMT_Y16 … #define V4L2_PIX_FMT_Y16_BE … /* Grey bit-packed formats */ #define V4L2_PIX_FMT_Y10BPACK … #define V4L2_PIX_FMT_Y10P … #define V4L2_PIX_FMT_IPU3_Y10 … #define V4L2_PIX_FMT_Y12P … #define V4L2_PIX_FMT_Y14P … /* Palette formats */ #define V4L2_PIX_FMT_PAL8 … /* Chrominance formats */ #define V4L2_PIX_FMT_UV8 … /* Luminance+Chrominance formats */ #define V4L2_PIX_FMT_YUYV … #define V4L2_PIX_FMT_YYUV … #define V4L2_PIX_FMT_YVYU … #define V4L2_PIX_FMT_UYVY … #define V4L2_PIX_FMT_VYUY … #define V4L2_PIX_FMT_Y41P … #define V4L2_PIX_FMT_YUV444 … #define V4L2_PIX_FMT_YUV555 … #define V4L2_PIX_FMT_YUV565 … #define V4L2_PIX_FMT_YUV24 … #define V4L2_PIX_FMT_YUV32 … #define V4L2_PIX_FMT_AYUV32 … #define V4L2_PIX_FMT_XYUV32 … #define V4L2_PIX_FMT_VUYA32 … #define V4L2_PIX_FMT_VUYX32 … #define V4L2_PIX_FMT_YUVA32 … #define V4L2_PIX_FMT_YUVX32 … #define V4L2_PIX_FMT_M420 … #define V4L2_PIX_FMT_YUV48_12 … /* * 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 … #define V4L2_PIX_FMT_Y212 … #define V4L2_PIX_FMT_Y216 … /* two planes -- one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12 … #define V4L2_PIX_FMT_NV21 … #define V4L2_PIX_FMT_NV16 … #define V4L2_PIX_FMT_NV61 … #define V4L2_PIX_FMT_NV24 … #define V4L2_PIX_FMT_NV42 … #define V4L2_PIX_FMT_P010 … #define V4L2_PIX_FMT_P012 … /* two non contiguous planes - one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12M … #define V4L2_PIX_FMT_NV21M … #define V4L2_PIX_FMT_NV16M … #define V4L2_PIX_FMT_NV61M … #define V4L2_PIX_FMT_P012M … /* three planes - Y Cb, Cr */ #define V4L2_PIX_FMT_YUV410 … #define V4L2_PIX_FMT_YVU410 … #define V4L2_PIX_FMT_YUV411P … #define V4L2_PIX_FMT_YUV420 … #define V4L2_PIX_FMT_YVU420 … #define V4L2_PIX_FMT_YUV422P … /* three non contiguous planes - Y, Cb, Cr */ #define V4L2_PIX_FMT_YUV420M … #define V4L2_PIX_FMT_YVU420M … #define V4L2_PIX_FMT_YUV422M … #define V4L2_PIX_FMT_YVU422M … #define V4L2_PIX_FMT_YUV444M … #define V4L2_PIX_FMT_YVU444M … /* Tiled YUV formats */ #define V4L2_PIX_FMT_NV12_4L4 … #define V4L2_PIX_FMT_NV12_16L16 … #define V4L2_PIX_FMT_NV12_32L32 … #define V4L2_PIX_FMT_NV15_4L4 … #define V4L2_PIX_FMT_P010_4L4 … #define V4L2_PIX_FMT_NV12_8L128 … #define V4L2_PIX_FMT_NV12_10BE_8L128 … /* Tiled YUV formats, non contiguous planes */ #define V4L2_PIX_FMT_NV12MT … #define V4L2_PIX_FMT_NV12MT_16X16 … #define V4L2_PIX_FMT_NV12M_8L128 … #define V4L2_PIX_FMT_NV12M_10BE_8L128 … /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 … #define V4L2_PIX_FMT_SGBRG8 … #define V4L2_PIX_FMT_SGRBG8 … #define V4L2_PIX_FMT_SRGGB8 … #define V4L2_PIX_FMT_SBGGR10 … #define V4L2_PIX_FMT_SGBRG10 … #define V4L2_PIX_FMT_SGRBG10 … #define V4L2_PIX_FMT_SRGGB10 … /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR10P … #define V4L2_PIX_FMT_SGBRG10P … #define V4L2_PIX_FMT_SGRBG10P … #define V4L2_PIX_FMT_SRGGB10P … /* 10bit raw bayer a-law compressed to 8 bits */ #define V4L2_PIX_FMT_SBGGR10ALAW8 … #define V4L2_PIX_FMT_SGBRG10ALAW8 … #define V4L2_PIX_FMT_SGRBG10ALAW8 … #define V4L2_PIX_FMT_SRGGB10ALAW8 … /* 10bit raw bayer DPCM compressed to 8 bits */ #define V4L2_PIX_FMT_SBGGR10DPCM8 … #define V4L2_PIX_FMT_SGBRG10DPCM8 … #define V4L2_PIX_FMT_SGRBG10DPCM8 … #define V4L2_PIX_FMT_SRGGB10DPCM8 … #define V4L2_PIX_FMT_SBGGR12 … #define V4L2_PIX_FMT_SGBRG12 … #define V4L2_PIX_FMT_SGRBG12 … #define V4L2_PIX_FMT_SRGGB12 … /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR12P … #define V4L2_PIX_FMT_SGBRG12P … #define V4L2_PIX_FMT_SGRBG12P … #define V4L2_PIX_FMT_SRGGB12P … #define V4L2_PIX_FMT_SBGGR14 … #define V4L2_PIX_FMT_SGBRG14 … #define V4L2_PIX_FMT_SGRBG14 … #define V4L2_PIX_FMT_SRGGB14 … /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ #define V4L2_PIX_FMT_SBGGR14P … #define V4L2_PIX_FMT_SGBRG14P … #define V4L2_PIX_FMT_SGRBG14P … #define V4L2_PIX_FMT_SRGGB14P … #define V4L2_PIX_FMT_SBGGR16 … #define V4L2_PIX_FMT_SGBRG16 … #define V4L2_PIX_FMT_SGRBG16 … #define V4L2_PIX_FMT_SRGGB16 … /* HSV formats */ #define V4L2_PIX_FMT_HSV24 … #define V4L2_PIX_FMT_HSV32 … /* compressed formats */ #define V4L2_PIX_FMT_MJPEG … #define V4L2_PIX_FMT_JPEG … #define V4L2_PIX_FMT_DV … #define V4L2_PIX_FMT_MPEG … #define V4L2_PIX_FMT_H264 … #define V4L2_PIX_FMT_H264_NO_SC … #define V4L2_PIX_FMT_H264_MVC … #define V4L2_PIX_FMT_H263 … #define V4L2_PIX_FMT_MPEG1 … #define V4L2_PIX_FMT_MPEG2 … #define V4L2_PIX_FMT_MPEG2_SLICE … #define V4L2_PIX_FMT_MPEG4 … #define V4L2_PIX_FMT_XVID … #define V4L2_PIX_FMT_VC1_ANNEX_G … #define V4L2_PIX_FMT_VC1_ANNEX_L … #define V4L2_PIX_FMT_VP8 … #define V4L2_PIX_FMT_VP8_FRAME … #define V4L2_PIX_FMT_VP9 … #define V4L2_PIX_FMT_VP9_FRAME … #define V4L2_PIX_FMT_HEVC … #define V4L2_PIX_FMT_FWHT … #define V4L2_PIX_FMT_FWHT_STATELESS … #define V4L2_PIX_FMT_H264_SLICE … #define V4L2_PIX_FMT_HEVC_SLICE … #define V4L2_PIX_FMT_AV1_FRAME … #define V4L2_PIX_FMT_SPK … #define V4L2_PIX_FMT_RV30 … #define V4L2_PIX_FMT_RV40 … /* Vendor-specific formats */ #define V4L2_PIX_FMT_CPIA1 … #define V4L2_PIX_FMT_WNVA … #define V4L2_PIX_FMT_SN9C10X … #define V4L2_PIX_FMT_SN9C20X_I420 … #define V4L2_PIX_FMT_PWC1 … #define V4L2_PIX_FMT_PWC2 … #define V4L2_PIX_FMT_ET61X251 … #define V4L2_PIX_FMT_SPCA501 … #define V4L2_PIX_FMT_SPCA505 … #define V4L2_PIX_FMT_SPCA508 … #define V4L2_PIX_FMT_SPCA561 … #define V4L2_PIX_FMT_PAC207 … #define V4L2_PIX_FMT_MR97310A … #define V4L2_PIX_FMT_JL2005BCD … #define V4L2_PIX_FMT_SN9C2028 … #define V4L2_PIX_FMT_SQ905C … #define V4L2_PIX_FMT_PJPG … #define V4L2_PIX_FMT_OV511 … #define V4L2_PIX_FMT_OV518 … #define V4L2_PIX_FMT_STV0680 … #define V4L2_PIX_FMT_TM6000 … #define V4L2_PIX_FMT_CIT_YYVYUY … #define V4L2_PIX_FMT_KONICA420 … #define V4L2_PIX_FMT_JPGL … #define V4L2_PIX_FMT_SE401 … #define V4L2_PIX_FMT_S5C_UYVY_JPG … #define V4L2_PIX_FMT_Y8I … #define V4L2_PIX_FMT_Y12I … #define V4L2_PIX_FMT_Z16 … #define V4L2_PIX_FMT_MT21C … #define V4L2_PIX_FMT_MM21 … #define V4L2_PIX_FMT_MT2110T … #define V4L2_PIX_FMT_MT2110R … #define V4L2_PIX_FMT_INZI … #define V4L2_PIX_FMT_CNF4 … #define V4L2_PIX_FMT_HI240 … #define V4L2_PIX_FMT_QC08C … #define V4L2_PIX_FMT_QC10C … #define V4L2_PIX_FMT_AJPG … #define V4L2_PIX_FMT_HEXTILE … /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ #define V4L2_PIX_FMT_IPU3_SBGGR10 … #define V4L2_PIX_FMT_IPU3_SGBRG10 … #define V4L2_PIX_FMT_IPU3_SGRBG10 … #define V4L2_PIX_FMT_IPU3_SRGGB10 … /* Raspberry Pi PiSP compressed formats. */ #define V4L2_PIX_FMT_PISP_COMP1_RGGB … #define V4L2_PIX_FMT_PISP_COMP1_GRBG … #define V4L2_PIX_FMT_PISP_COMP1_GBRG … #define V4L2_PIX_FMT_PISP_COMP1_BGGR … #define V4L2_PIX_FMT_PISP_COMP1_MONO … #define V4L2_PIX_FMT_PISP_COMP2_RGGB … #define V4L2_PIX_FMT_PISP_COMP2_GRBG … #define V4L2_PIX_FMT_PISP_COMP2_GBRG … #define V4L2_PIX_FMT_PISP_COMP2_BGGR … #define V4L2_PIX_FMT_PISP_COMP2_MONO … /* SDR formats - used only for Software Defined Radio devices */ #define V4L2_SDR_FMT_CU8 … #define V4L2_SDR_FMT_CU16LE … #define V4L2_SDR_FMT_CS8 … #define V4L2_SDR_FMT_CS14LE … #define V4L2_SDR_FMT_RU12LE … #define V4L2_SDR_FMT_PCU16BE … #define V4L2_SDR_FMT_PCU18BE … #define V4L2_SDR_FMT_PCU20BE … /* Touch formats - used for Touch devices */ #define V4L2_TCH_FMT_DELTA_TD16 … #define V4L2_TCH_FMT_DELTA_TD08 … #define V4L2_TCH_FMT_TU16 … #define V4L2_TCH_FMT_TU08 … /* Meta-data formats */ #define V4L2_META_FMT_VSP1_HGO … #define V4L2_META_FMT_VSP1_HGT … #define V4L2_META_FMT_UVC … #define V4L2_META_FMT_D4XX … #define V4L2_META_FMT_VIVID … /* Vendor specific - used for RK_ISP1 camera sub-system */ #define V4L2_META_FMT_RK_ISP1_PARAMS … #define V4L2_META_FMT_RK_ISP1_STAT_3A … #define V4L2_META_FMT_RK_ISP1_EXT_PARAMS … /* Vendor specific - used for RaspberryPi PiSP */ #define V4L2_META_FMT_RPI_BE_CFG … #ifdef __KERNEL__ /* * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when * adding new ones! */ #define V4L2_META_FMT_GENERIC_8 … #define V4L2_META_FMT_GENERIC_CSI2_10 … #define V4L2_META_FMT_GENERIC_CSI2_12 … #define V4L2_META_FMT_GENERIC_CSI2_14 … #define V4L2_META_FMT_GENERIC_CSI2_16 … #define V4L2_META_FMT_GENERIC_CSI2_20 … #define V4L2_META_FMT_GENERIC_CSI2_24 … #endif /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC … /* Flags */ #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA … #define V4L2_PIX_FMT_FLAG_SET_CSC … /* * F O R M A T E N U M E R A T I O N */ struct v4l2_fmtdesc { … }; #define V4L2_FMT_FLAG_COMPRESSED … #define V4L2_FMT_FLAG_EMULATED … #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM … #define V4L2_FMT_FLAG_DYN_RESOLUTION … #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL … #define V4L2_FMT_FLAG_CSC_COLORSPACE … #define V4L2_FMT_FLAG_CSC_XFER_FUNC … #define V4L2_FMT_FLAG_CSC_YCBCR_ENC … #define V4L2_FMT_FLAG_CSC_HSV_ENC … #define V4L2_FMT_FLAG_CSC_QUANTIZATION … #define V4L2_FMT_FLAG_META_LINE_BASED … /* 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 { … }; struct v4l2_frmsize_discrete { … }; struct v4l2_frmsize_stepwise { … }; struct v4l2_frmsizeenum { … }; /* * F R A M E R A T E E N U M E R A T I O N */ enum v4l2_frmivaltypes { … }; struct v4l2_frmival_stepwise { … }; struct v4l2_frmivalenum { … }; /* * T I M E C O D E */ struct v4l2_timecode { … }; /* Type */ #define V4L2_TC_TYPE_24FPS … #define V4L2_TC_TYPE_25FPS … #define V4L2_TC_TYPE_30FPS … #define V4L2_TC_TYPE_50FPS … #define V4L2_TC_TYPE_60FPS … /* Flags */ #define V4L2_TC_FLAG_DROPFRAME … #define V4L2_TC_FLAG_COLORFRAME … #define V4L2_TC_USERBITS_field … #define V4L2_TC_USERBITS_USERDEFINED … #define V4L2_TC_USERBITS_8BITCHARS … /* The above is based on SMPTE timecodes */ struct v4l2_jpegcompression { … }; /* * 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 { … }; #endif struct v4l2_requestbuffers { … }; #define V4L2_MEMORY_FLAG_NON_COHERENT … /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ #define V4L2_BUF_CAP_SUPPORTS_MMAP … #define V4L2_BUF_CAP_SUPPORTS_USERPTR … #define V4L2_BUF_CAP_SUPPORTS_DMABUF … #define V4L2_BUF_CAP_SUPPORTS_REQUESTS … #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS … #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF … #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS … #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS … #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS … /** * struct v4l2_plane - plane info for multi-planar buffers * @bytesused: number of bytes occupied by data in the plane (payload) * @length: size of this plane (NOT the payload) in bytes * @m.mem_offset: when memory in the associated struct v4l2_buffer is * V4L2_MEMORY_MMAP, equals the offset from the start of * the device memory for this plane (or is a "cookie" that * should be passed to mmap() called on the video node) * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer * pointing to this plane * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file * descriptor associated with this plane * @m: union of @mem_offset, @userptr and @fd * @data_offset: offset in the plane to the start of data; usually 0, * unless there is a header in front of the data * @reserved: drivers and applications must zero this array * * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer * with two planes can have one plane for Y, and another for interleaved CbCr * components. Each plane can reside in a separate memory buffer, or even in * a completely separate memory node (e.g. in embedded devices). */ struct v4l2_plane { … }; /** * struct v4l2_buffer - video buffer info * @index: id number of the buffer * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for * multiplanar buffers); * @bytesused: number of bytes occupied by data in the buffer (payload); * unused (set to 0) for multiplanar buffers * @flags: buffer informational flags * @field: enum v4l2_field; field order of the image in the buffer * @timestamp: frame timestamp * @timecode: frame timecode * @sequence: sequence count of this frame * @memory: enum v4l2_memory; the method, in which the actual video data is * passed * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; * offset from the start of the device memory for this plane, * (or a "cookie" that should be passed to mmap() as offset) * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; * a userspace pointer pointing to this buffer * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; * a userspace file descriptor associated with this buffer * @m.planes: for multiplanar buffers; userspace pointer to the array of plane * info structs for this buffer * @m: union of @offset, @userptr, @planes and @fd * @length: size in bytes of the buffer (NOT its payload) for single-plane * buffers (when type != *_MPLANE); number of elements in the * planes array for multi-plane buffers * @reserved2: drivers and applications must zero this field * @request_fd: fd of the request that this buffer should use * @reserved: for backwards compatibility with applications that do not know * about @request_fd * * Contains data exchanged by application and driver using one of the Streaming * I/O methods. */ struct v4l2_buffer { … }; #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 … /* Buffer is queued for processing */ #define V4L2_BUF_FLAG_QUEUED … /* Buffer is ready */ #define V4L2_BUF_FLAG_DONE … /* Image is a keyframe (I-frame) */ #define V4L2_BUF_FLAG_KEYFRAME … /* Image is a P-frame */ #define V4L2_BUF_FLAG_PFRAME … /* Image is a B-frame */ #define V4L2_BUF_FLAG_BFRAME … /* Buffer is ready, but the data contained within is corrupted. */ #define V4L2_BUF_FLAG_ERROR … /* Buffer is added to an unqueued request */ #define V4L2_BUF_FLAG_IN_REQUEST … /* timecode field is valid */ #define V4L2_BUF_FLAG_TIMECODE … /* Don't return the capture buffer until OUTPUT timestamp changes */ #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF … /* Buffer is prepared for queuing */ #define V4L2_BUF_FLAG_PREPARED … /* Cache handling flags */ #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE … #define V4L2_BUF_FLAG_NO_CACHE_CLEAN … /* Timestamp type */ #define V4L2_BUF_FLAG_TIMESTAMP_MASK … #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN … #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC … #define V4L2_BUF_FLAG_TIMESTAMP_COPY … /* Timestamp sources. */ #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK … #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF … #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE … /* mem2mem encoder/decoder */ #define V4L2_BUF_FLAG_LAST … /* request_fd is valid */ #define V4L2_BUF_FLAG_REQUEST_FD … /** * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor * * @index: id number of the buffer * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for * multiplanar buffers); * @plane: index of the plane to be exported, 0 for single plane queues * @flags: flags for newly created file, currently only O_CLOEXEC is * supported, refer to manual of open syscall for more details * @fd: file descriptor associated with DMABUF (set by driver) * @reserved: drivers and applications must zero this array * * Contains data used for exporting a video buffer as DMABUF file descriptor. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF * (identical to the cookie used to mmap() the buffer to userspace). All * reserved fields must be set to zero. The field reserved0 is expected to * become a structure 'type' allowing an alternative layout of the structure * content. Therefore this field should not be used for any other extensions. */ struct v4l2_exportbuffer { … }; /* * O V E R L A Y P R E V I E W */ struct v4l2_framebuffer { … }; /* Flags for the 'capability' field. Read only */ #define V4L2_FBUF_CAP_EXTERNOVERLAY … #define V4L2_FBUF_CAP_CHROMAKEY … #ifndef __KERNEL__ #define V4L2_FBUF_CAP_LIST_CLIPPING … #define V4L2_FBUF_CAP_BITMAP_CLIPPING … #endif #define V4L2_FBUF_CAP_LOCAL_ALPHA … #define V4L2_FBUF_CAP_GLOBAL_ALPHA … #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA … #define V4L2_FBUF_CAP_SRC_CHROMAKEY … /* Flags for the 'flags' field. */ #define V4L2_FBUF_FLAG_PRIMARY … #define V4L2_FBUF_FLAG_OVERLAY … #define V4L2_FBUF_FLAG_CHROMAKEY … #define V4L2_FBUF_FLAG_LOCAL_ALPHA … #define V4L2_FBUF_FLAG_GLOBAL_ALPHA … #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA … #define V4L2_FBUF_FLAG_SRC_CHROMAKEY … struct v4l2_clip { … }; struct v4l2_window { … }; /* * C A P T U R E P A R A M E T E R S */ struct v4l2_captureparm { … }; /* Flags for 'capability' and 'capturemode' fields */ #define V4L2_MODE_HIGHQUALITY … #define V4L2_CAP_TIMEPERFRAME … struct v4l2_outputparm { … }; /* * I N P U T I M A G E C R O P P I N G */ struct v4l2_cropcap { … }; struct v4l2_crop { … }; /** * 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 { … }; /* * A N A L O G V I D E O S T A N D A R D */ 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 … #define V4L2_STD_PAL_B1 … #define V4L2_STD_PAL_G … #define V4L2_STD_PAL_H … #define V4L2_STD_PAL_I … #define V4L2_STD_PAL_D … #define V4L2_STD_PAL_D1 … #define V4L2_STD_PAL_K … #define V4L2_STD_PAL_M … #define V4L2_STD_PAL_N … #define V4L2_STD_PAL_Nc … #define V4L2_STD_PAL_60 … #define V4L2_STD_NTSC_M … #define V4L2_STD_NTSC_M_JP … #define V4L2_STD_NTSC_443 … #define V4L2_STD_NTSC_M_KR … #define V4L2_STD_SECAM_B … #define V4L2_STD_SECAM_D … #define V4L2_STD_SECAM_G … #define V4L2_STD_SECAM_H … #define V4L2_STD_SECAM_K … #define V4L2_STD_SECAM_K1 … #define V4L2_STD_SECAM_L … #define V4L2_STD_SECAM_LC … /* ATSC/HDTV */ #define V4L2_STD_ATSC_8_VSB … #define V4L2_STD_ATSC_16_VSB … /* 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 … /* Secam macros */ #define V4L2_STD_SECAM_DK … /* All Secam Standards */ #define V4L2_STD_SECAM … /* PAL macros */ #define V4L2_STD_PAL_BG … #define V4L2_STD_PAL_DK … /* * "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 … /* Chroma "agnostic" standards */ #define V4L2_STD_B … #define V4L2_STD_G … #define V4L2_STD_H … #define V4L2_STD_L … #define V4L2_STD_GH … #define V4L2_STD_DK … #define V4L2_STD_BG … #define V4L2_STD_MN … /* Standards where MTS/BTSC stereo could be found */ #define V4L2_STD_MTS … /* Standards for Countries with 60Hz Line frequency */ #define V4L2_STD_525_60 … /* Standards for Countries with 50Hz Line frequency */ #define V4L2_STD_625_50 … #define V4L2_STD_ATSC … /* Macros with none and all analog standards */ #define V4L2_STD_UNKNOWN … #define V4L2_STD_ALL … struct v4l2_standard { … }; /* * 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 { … } __attribute__ ((packed)); /* Interlaced or progressive format */ #define V4L2_DV_PROGRESSIVE … #define V4L2_DV_INTERLACED … /* Polarities. If bit is not set, it is assumed to be negative polarity */ #define V4L2_DV_VSYNC_POS_POL … #define V4L2_DV_HSYNC_POS_POL … /* Timings standards */ #define V4L2_DV_BT_STD_CEA861 … #define V4L2_DV_BT_STD_DMT … #define V4L2_DV_BT_STD_CVT … #define V4L2_DV_BT_STD_GTF … #define V4L2_DV_BT_STD_SDI … /* 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 … /* * 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 … /* * 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 … /* * 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 … /* * 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 … /* 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 … /* * 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 … /* * 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 … /* * 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 … /* * 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 … /* A few useful defines to calculate the total blanking and frame sizes */ #define V4L2_DV_BT_BLANKING_WIDTH(bt) … #define V4L2_DV_BT_FRAME_WIDTH(bt) … #define V4L2_DV_BT_BLANKING_HEIGHT(bt) … #define V4L2_DV_BT_FRAME_HEIGHT(bt) … /** struct v4l2_dv_timings - DV timings * @type: the type of the timings * @bt: BT656/1120 timings */ struct v4l2_dv_timings { … } __attribute__ ((packed)); /* Values for the type field */ #define V4L2_DV_BT_656_1120 … /** 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 { … }; /** 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 { … } __attribute__ ((packed)); /* Supports interlaced formats */ #define V4L2_DV_BT_CAP_INTERLACED … /* Supports progressive formats */ #define V4L2_DV_BT_CAP_PROGRESSIVE … /* Supports CVT/GTF reduced blanking */ #define V4L2_DV_BT_CAP_REDUCED_BLANKING … /* Supports custom formats */ #define V4L2_DV_BT_CAP_CUSTOM … /** 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 { … }; /* * V I D E O I N P U T S */ struct v4l2_input { … }; /* Values for the 'type' field */ #define V4L2_INPUT_TYPE_TUNER … #define V4L2_INPUT_TYPE_CAMERA … #define V4L2_INPUT_TYPE_TOUCH … /* field 'status' - general */ #define V4L2_IN_ST_NO_POWER … #define V4L2_IN_ST_NO_SIGNAL … #define V4L2_IN_ST_NO_COLOR … /* field 'status' - sensor orientation */ /* If sensor is mounted upside down set both bits */ #define V4L2_IN_ST_HFLIP … #define V4L2_IN_ST_VFLIP … /* field 'status' - analog */ #define V4L2_IN_ST_NO_H_LOCK … #define V4L2_IN_ST_COLOR_KILL … #define V4L2_IN_ST_NO_V_LOCK … #define V4L2_IN_ST_NO_STD_LOCK … /* field 'status' - digital */ #define V4L2_IN_ST_NO_SYNC … #define V4L2_IN_ST_NO_EQU … #define V4L2_IN_ST_NO_CARRIER … /* field 'status' - VCR and set-top box */ #define V4L2_IN_ST_MACROVISION … #define V4L2_IN_ST_NO_ACCESS … #define V4L2_IN_ST_VTR … /* capabilities flags */ #define V4L2_IN_CAP_DV_TIMINGS … #define V4L2_IN_CAP_CUSTOM_TIMINGS … #define V4L2_IN_CAP_STD … #define V4L2_IN_CAP_NATIVE_SIZE … /* * V I D E O O U T P U T S */ struct v4l2_output { … }; /* Values for the 'type' field */ #define V4L2_OUTPUT_TYPE_MODULATOR … #define V4L2_OUTPUT_TYPE_ANALOG … #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY … /* capabilities flags */ #define V4L2_OUT_CAP_DV_TIMINGS … #define V4L2_OUT_CAP_CUSTOM_TIMINGS … #define V4L2_OUT_CAP_STD … #define V4L2_OUT_CAP_NATIVE_SIZE … /* * C O N T R O L S */ struct v4l2_control { … }; struct v4l2_ext_control { … } __attribute__ ((packed)); struct v4l2_ext_controls { … }; #define V4L2_CTRL_ID_MASK … #ifndef __KERNEL__ #define V4L2_CTRL_ID2CLASS … #endif #define V4L2_CTRL_ID2WHICH(id) … #define V4L2_CTRL_DRIVER_PRIV(id) … #define V4L2_CTRL_MAX_DIMS … #define V4L2_CTRL_WHICH_CUR_VAL … #define V4L2_CTRL_WHICH_DEF_VAL … #define V4L2_CTRL_WHICH_REQUEST_VAL … enum v4l2_ctrl_type { … }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ struct v4l2_queryctrl { … }; /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ struct v4l2_query_ext_ctrl { … }; /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ struct v4l2_querymenu { … } __attribute__ ((packed)); /* Control flags */ #define V4L2_CTRL_FLAG_DISABLED … #define V4L2_CTRL_FLAG_GRABBED … #define V4L2_CTRL_FLAG_READ_ONLY … #define V4L2_CTRL_FLAG_UPDATE … #define V4L2_CTRL_FLAG_INACTIVE … #define V4L2_CTRL_FLAG_SLIDER … #define V4L2_CTRL_FLAG_WRITE_ONLY … #define V4L2_CTRL_FLAG_VOLATILE … #define V4L2_CTRL_FLAG_HAS_PAYLOAD … #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE … #define V4L2_CTRL_FLAG_MODIFY_LAYOUT … #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY … /* Query flags, to be ORed with the control ID */ #define V4L2_CTRL_FLAG_NEXT_CTRL … #define V4L2_CTRL_FLAG_NEXT_COMPOUND … /* User-class control IDs defined by V4L2 */ #define V4L2_CID_MAX_CTRLS … /* IDs reserved for driver specific controls */ #define V4L2_CID_PRIVATE_BASE … /* * T U N I N G */ struct v4l2_tuner { … }; struct v4l2_modulator { … }; /* Flags for the 'capability' field */ #define V4L2_TUNER_CAP_LOW … #define V4L2_TUNER_CAP_NORM … #define V4L2_TUNER_CAP_HWSEEK_BOUNDED … #define V4L2_TUNER_CAP_HWSEEK_WRAP … #define V4L2_TUNER_CAP_STEREO … #define V4L2_TUNER_CAP_LANG2 … #define V4L2_TUNER_CAP_SAP … #define V4L2_TUNER_CAP_LANG1 … #define V4L2_TUNER_CAP_RDS … #define V4L2_TUNER_CAP_RDS_BLOCK_IO … #define V4L2_TUNER_CAP_RDS_CONTROLS … #define V4L2_TUNER_CAP_FREQ_BANDS … #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM … #define V4L2_TUNER_CAP_1HZ … /* Flags for the 'rxsubchans' field */ #define V4L2_TUNER_SUB_MONO … #define V4L2_TUNER_SUB_STEREO … #define V4L2_TUNER_SUB_LANG2 … #define V4L2_TUNER_SUB_SAP … #define V4L2_TUNER_SUB_LANG1 … #define V4L2_TUNER_SUB_RDS … /* Values for the 'audmode' field */ #define V4L2_TUNER_MODE_MONO … #define V4L2_TUNER_MODE_STEREO … #define V4L2_TUNER_MODE_LANG2 … #define V4L2_TUNER_MODE_SAP … #define V4L2_TUNER_MODE_LANG1 … #define V4L2_TUNER_MODE_LANG1_LANG2 … struct v4l2_frequency { … }; #define V4L2_BAND_MODULATION_VSB … #define V4L2_BAND_MODULATION_FM … #define V4L2_BAND_MODULATION_AM … struct v4l2_frequency_band { … }; struct v4l2_hw_freq_seek { … }; /* * R D S */ struct v4l2_rds_data { … } __attribute__ ((packed)); #define V4L2_RDS_BLOCK_MSK … #define V4L2_RDS_BLOCK_A … #define V4L2_RDS_BLOCK_B … #define V4L2_RDS_BLOCK_C … #define V4L2_RDS_BLOCK_D … #define V4L2_RDS_BLOCK_C_ALT … #define V4L2_RDS_BLOCK_INVALID … #define V4L2_RDS_BLOCK_CORRECTED … #define V4L2_RDS_BLOCK_ERROR … /* * A U D I O */ struct v4l2_audio { … }; /* Flags for the 'capability' field */ #define V4L2_AUDCAP_STEREO … #define V4L2_AUDCAP_AVL … /* Flags for the 'mode' field */ #define V4L2_AUDMODE_AVL … struct v4l2_audioout { … }; /* * M P E G S E R V I C E S */ #if 1 #define V4L2_ENC_IDX_FRAME_I … #define V4L2_ENC_IDX_FRAME_P … #define V4L2_ENC_IDX_FRAME_B … #define V4L2_ENC_IDX_FRAME_MASK … struct v4l2_enc_idx_entry { … }; #define V4L2_ENC_IDX_ENTRIES … struct v4l2_enc_idx { … }; #define V4L2_ENC_CMD_START … #define V4L2_ENC_CMD_STOP … #define V4L2_ENC_CMD_PAUSE … #define V4L2_ENC_CMD_RESUME … /* Flags for V4L2_ENC_CMD_STOP */ #define V4L2_ENC_CMD_STOP_AT_GOP_END … struct v4l2_encoder_cmd { … }; /* Decoder commands */ #define V4L2_DEC_CMD_START … #define V4L2_DEC_CMD_STOP … #define V4L2_DEC_CMD_PAUSE … #define V4L2_DEC_CMD_RESUME … #define V4L2_DEC_CMD_FLUSH … /* Flags for V4L2_DEC_CMD_START */ #define V4L2_DEC_CMD_START_MUTE_AUDIO … /* Flags for V4L2_DEC_CMD_PAUSE */ #define V4L2_DEC_CMD_PAUSE_TO_BLACK … /* Flags for V4L2_DEC_CMD_STOP */ #define V4L2_DEC_CMD_STOP_TO_BLACK … #define V4L2_DEC_CMD_STOP_IMMEDIATELY … /* Play format requirements (returned by the driver): */ /* The decoder has no special format requirements */ #define V4L2_DEC_START_FMT_NONE … /* The decoder requires full GOPs */ #define V4L2_DEC_START_FMT_GOP … /* The structure must be zeroed before use by the application This ensures it can be extended safely in the future. */ struct v4l2_decoder_cmd { … }; #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 { … }; /* VBI flags */ #define V4L2_VBI_UNSYNC … #define V4L2_VBI_INTERLACED … /* ITU-R start lines for each field */ #define V4L2_VBI_ITU_525_F1_START … #define V4L2_VBI_ITU_525_F2_START … #define V4L2_VBI_ITU_625_F1_START … #define V4L2_VBI_ITU_625_F2_START … /* 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 { … }; /* Teletext World System Teletext (WST), defined on ITU-R BT.653-2 */ #define V4L2_SLICED_TELETEXT_B … /* Video Program System, defined on ETS 300 231*/ #define V4L2_SLICED_VPS … /* Closed Caption, defined on EIA-608 */ #define V4L2_SLICED_CAPTION_525 … /* Wide Screen System, defined on ITU-R BT1119.1 */ #define V4L2_SLICED_WSS_625 … #define V4L2_SLICED_VBI_525 … #define V4L2_SLICED_VBI_625 … struct v4l2_sliced_vbi_cap { … }; struct v4l2_sliced_vbi_data { … }; /* * 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 … #define V4L2_MPEG_VBI_IVTV_CAPTION_525 … #define V4L2_MPEG_VBI_IVTV_WSS_625 … #define V4L2_MPEG_VBI_IVTV_VPS … struct v4l2_mpeg_vbi_itv0_line { … } __attribute__ ((packed)); struct v4l2_mpeg_vbi_itv0 { … } __attribute__ ((packed)); struct v4l2_mpeg_vbi_ITV0 { … } __attribute__ ((packed)); #define V4L2_MPEG_VBI_IVTV_MAGIC0 … #define V4L2_MPEG_VBI_IVTV_MAGIC1 … struct v4l2_mpeg_vbi_fmt_ivtv { … } __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 { … } __attribute__ ((packed)); /** * struct v4l2_pix_format_mplane - multiplanar format definition * @width: image width in pixels * @height: image height in pixels * @pixelformat: little endian four character code (fourcc) * @field: enum v4l2_field; field order (for interlaced video) * @colorspace: enum v4l2_colorspace; supplemental to pixelformat * @plane_fmt: per-plane information * @num_planes: number of planes for this format * @flags: format flags (V4L2_PIX_FMT_FLAG_*) * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding * @quantization: enum v4l2_quantization, colorspace quantization * @xfer_func: enum v4l2_xfer_func, colorspace transfer function * @reserved: drivers and applications must zero this array */ struct v4l2_pix_format_mplane { … } __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 { … } __attribute__ ((packed)); /** * struct v4l2_meta_format - metadata format definition * @dataformat: little endian four character code (fourcc) * @buffersize: maximum size in bytes required for data * @width: number of data units of data per line (valid for line * based formats only, see format documentation) * @height: number of lines of data per buffer (valid for line based * formats only) * @bytesperline: offset between the beginnings of two adjacent lines in * bytes (valid for line based formats only) */ struct v4l2_meta_format { … } __attribute__ ((packed)); /** * struct v4l2_format - stream data format * @type: enum v4l2_buf_type; type of the data stream * @fmt.pix: definition of an image format * @fmt.pix_mp: definition of a multiplanar image format * @fmt.win: definition of an overlaid image * @fmt.vbi: raw VBI capture or output parameters * @fmt.sliced: sliced VBI capture or output parameters * @fmt.raw_data: placeholder for future extensions and custom formats * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, * @meta and @raw_data */ struct v4l2_format { … }; /* Stream type-dependent parameters */ struct v4l2_streamparm { … }; /* * E V E N T S */ #define V4L2_EVENT_ALL … #define V4L2_EVENT_VSYNC … #define V4L2_EVENT_EOS … #define V4L2_EVENT_CTRL … #define V4L2_EVENT_FRAME_SYNC … #define V4L2_EVENT_SOURCE_CHANGE … #define V4L2_EVENT_MOTION_DET … #define V4L2_EVENT_PRIVATE_START … /* Payload for V4L2_EVENT_VSYNC */ struct v4l2_event_vsync { … } __attribute__ ((packed)); /* Payload for V4L2_EVENT_CTRL */ #define V4L2_EVENT_CTRL_CH_VALUE … #define V4L2_EVENT_CTRL_CH_FLAGS … #define V4L2_EVENT_CTRL_CH_RANGE … #define V4L2_EVENT_CTRL_CH_DIMENSIONS … struct v4l2_event_ctrl { … }; struct v4l2_event_frame_sync { … }; #define V4L2_EVENT_SRC_CH_RESOLUTION … struct v4l2_event_src_change { … }; #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ … /** * struct v4l2_event_motion_det - motion detection event * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the * frame_sequence field is valid. * @frame_sequence: the frame sequence number associated with this event. * @region_mask: which regions detected motion. */ struct v4l2_event_motion_det { … }; struct v4l2_event { … }; #define V4L2_EVENT_SUB_FL_SEND_INITIAL … #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK … struct v4l2_event_subscription { … }; /* * 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 … #define V4L2_CHIP_MATCH_SUBDEV … /* The following four defines are no longer in use */ #define V4L2_CHIP_MATCH_HOST … #define V4L2_CHIP_MATCH_I2C_DRIVER … #define V4L2_CHIP_MATCH_I2C_ADDR … #define V4L2_CHIP_MATCH_AC97 … struct v4l2_dbg_match { … } __attribute__ ((packed)); struct v4l2_dbg_register { … } __attribute__ ((packed)); #define V4L2_CHIP_FL_READABLE … #define V4L2_CHIP_FL_WRITABLE … /* VIDIOC_DBG_G_CHIP_INFO */ struct v4l2_dbg_chip_info { … } __attribute__ ((packed)); /** * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument * @index: on return, index of the first created buffer * @count: entry: number of requested buffers, * return: number of created buffers * @memory: enum v4l2_memory; buffer memory type * @format: frame format, for which buffers are requested * @capabilities: capabilities of this buffer type. * @flags: additional buffer management attributes (ignored unless the * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability * and configured for MMAP streaming I/O). * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set * this field indicate the maximum possible number of buffers * for this queue. * @reserved: future extensions */ struct v4l2_create_buffers { … }; /** * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument * @index: the first buffer to be removed * @count: number of buffers to removed * @type: enum v4l2_buf_type * @reserved: future extensions */ struct v4l2_remove_buffers { … }; /* * 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 … #define VIDIOC_ENUM_FMT … #define VIDIOC_G_FMT … #define VIDIOC_S_FMT … #define VIDIOC_REQBUFS … #define VIDIOC_QUERYBUF … #define VIDIOC_G_FBUF … #define VIDIOC_S_FBUF … #define VIDIOC_OVERLAY … #define VIDIOC_QBUF … #define VIDIOC_EXPBUF … #define VIDIOC_DQBUF … #define VIDIOC_STREAMON … #define VIDIOC_STREAMOFF … #define VIDIOC_G_PARM … #define VIDIOC_S_PARM … #define VIDIOC_G_STD … #define VIDIOC_S_STD … #define VIDIOC_ENUMSTD … #define VIDIOC_ENUMINPUT … #define VIDIOC_G_CTRL … #define VIDIOC_S_CTRL … #define VIDIOC_G_TUNER … #define VIDIOC_S_TUNER … #define VIDIOC_G_AUDIO … #define VIDIOC_S_AUDIO … #define VIDIOC_QUERYCTRL … #define VIDIOC_QUERYMENU … #define VIDIOC_G_INPUT … #define VIDIOC_S_INPUT … #define VIDIOC_G_EDID … #define VIDIOC_S_EDID … #define VIDIOC_G_OUTPUT … #define VIDIOC_S_OUTPUT … #define VIDIOC_ENUMOUTPUT … #define VIDIOC_G_AUDOUT … #define VIDIOC_S_AUDOUT … #define VIDIOC_G_MODULATOR … #define VIDIOC_S_MODULATOR … #define VIDIOC_G_FREQUENCY … #define VIDIOC_S_FREQUENCY … #define VIDIOC_CROPCAP … #define VIDIOC_G_CROP … #define VIDIOC_S_CROP … #define VIDIOC_G_JPEGCOMP … #define VIDIOC_S_JPEGCOMP … #define VIDIOC_QUERYSTD … #define VIDIOC_TRY_FMT … #define VIDIOC_ENUMAUDIO … #define VIDIOC_ENUMAUDOUT … #define VIDIOC_G_PRIORITY … #define VIDIOC_S_PRIORITY … #define VIDIOC_G_SLICED_VBI_CAP … #define VIDIOC_LOG_STATUS … #define VIDIOC_G_EXT_CTRLS … #define VIDIOC_S_EXT_CTRLS … #define VIDIOC_TRY_EXT_CTRLS … #define VIDIOC_ENUM_FRAMESIZES … #define VIDIOC_ENUM_FRAMEINTERVALS … #define VIDIOC_G_ENC_INDEX … #define VIDIOC_ENCODER_CMD … #define VIDIOC_TRY_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 … #define VIDIOC_DBG_G_REGISTER … #define VIDIOC_S_HW_FREQ_SEEK … #define VIDIOC_S_DV_TIMINGS … #define VIDIOC_G_DV_TIMINGS … #define VIDIOC_DQEVENT … #define VIDIOC_SUBSCRIBE_EVENT … #define VIDIOC_UNSUBSCRIBE_EVENT … #define VIDIOC_CREATE_BUFS … #define VIDIOC_PREPARE_BUF … #define VIDIOC_G_SELECTION … #define VIDIOC_S_SELECTION … #define VIDIOC_DECODER_CMD … #define VIDIOC_TRY_DECODER_CMD … #define VIDIOC_ENUM_DV_TIMINGS … #define VIDIOC_QUERY_DV_TIMINGS … #define VIDIOC_DV_TIMINGS_CAP … #define VIDIOC_ENUM_FREQ_BANDS … /* * Experimental, meant for debugging, testing and internal use. * Never use this in applications! */ #define VIDIOC_DBG_G_CHIP_INFO … #define VIDIOC_QUERY_EXT_CTRL … #define VIDIOC_REMOVE_BUFS … /* 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 … /* Deprecated definitions kept for backwards compatibility */ #ifndef __KERNEL__ #define V4L2_PIX_FMT_HM12 … #define V4L2_PIX_FMT_SUNXI_TILED_NV12 … /* * This capability was never implemented, anyone using this cap should drop it * from their code. */ #define V4L2_CAP_ASYNCIO … #endif #endif /* _UAPI__LINUX_VIDEODEV2_H */
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