You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@nuttx.apache.org by xi...@apache.org on 2023/12/03 03:44:46 UTC
(nuttx) 02/02: move userspace interface from video.h to sys/videoio.h
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
commit 49398d32aaeb905321b01731d435ac528f6da134
Author: shizhenghui <sh...@xiaomi.com>
AuthorDate: Tue Nov 28 17:31:19 2023 +0800
move userspace interface from video.h to sys/videoio.h
Signed-off-by: shizhenghui <sh...@xiaomi.com>
---
drivers/video/video.c | 1 +
drivers/video/video_framebuff.h | 2 +-
include/nuttx/video/video.h | 1607 +-------------------------------------
include/sys/videoio.h | 1626 ++++++++++++++++++++++++++++++++++++++-
4 files changed, 1628 insertions(+), 1608 deletions(-)
diff --git a/drivers/video/video.c b/drivers/video/video.c
index 96ac3636dd..105e2d8745 100644
--- a/drivers/video/video.c
+++ b/drivers/video/video.c
@@ -36,6 +36,7 @@
#include <nuttx/kmalloc.h>
#include <nuttx/mutex.h>
+#include <nuttx/video/video.h>
#include <nuttx/video/imgsensor.h>
#include <nuttx/video/imgdata.h>
diff --git a/drivers/video/video_framebuff.h b/drivers/video/video_framebuff.h
index a4183a5f9c..568d45e27e 100644
--- a/drivers/video/video_framebuff.h
+++ b/drivers/video/video_framebuff.h
@@ -25,7 +25,7 @@
* Included Files
****************************************************************************/
-#include <nuttx/video/video.h>
+#include <sys/videoio.h>
#include <nuttx/mutex.h>
/****************************************************************************
diff --git a/include/nuttx/video/video.h b/include/nuttx/video/video.h
index 71b6e44dd8..0b035318da 100644
--- a/include/nuttx/video/video.h
+++ b/include/nuttx/video/video.h
@@ -29,11 +29,7 @@
* Included Files
****************************************************************************/
-#include <stdint.h>
-#include <sys/time.h>
-
-#include <nuttx/fs/ioctl.h>
-#include <nuttx/video/video_controls.h>
+#include <sys/videoio.h>
#ifdef __cplusplus
extern "C"
@@ -44,239 +40,6 @@ extern "C"
* Pre-processor Definitions
****************************************************************************/
-#define VIDEO_MAX_FRAME 32
-#define VIDEO_MAX_PLANES 8
-
-/* Query device capability
- * Address pointing to struct v4l2_capability
- */
-
-#define VIDIOC_QUERYCAP _VIDIOC(0x0000)
-
-/* Enumerate the formats supported by device */
-
-#define VIDIOC_ENUM_FMT _VIDIOC(0x0002)
-
-/* Get the data format */
-
-#define VIDIOC_G_FMT _VIDIOC(0x0004)
-
-/* Set the data format */
-
-#define VIDIOC_S_FMT _VIDIOC(0x0005)
-
-/* Initiate user pointer I/O */
-
-#define VIDIOC_REQBUFS _VIDIOC(0x0008)
-
-/* Query the status of a buffer */
-
-#define VIDIOC_QUERYBUF _VIDIOC(0x0009)
-
-/* Get frame buffer overlay parameters */
-
-#define VIDIOC_G_FBUF _VIDIOC(0x000a)
-
-/* Set frame buffer overlay parameters */
-
-#define VIDIOC_S_FBUF _VIDIOC(0x000b)
-
-/* Start or stop video overlay */
-
-#define VIDIOC_OVERLAY _VIDIOC(0x000e)
-
-/* Enqueue an empty buffer */
-
-#define VIDIOC_QBUF _VIDIOC(0x000f)
-
-/* Export a buffer as a DMABUF file descriptor */
-
-#define VIDIOC_EXPBUF _VIDIOC(0x0010)
-
-/* Dequeue a filled buffer */
-
-#define VIDIOC_DQBUF _VIDIOC(0x0011)
-
-/* Start streaming */
-
-#define VIDIOC_STREAMON _VIDIOC(0x0012)
-
-/* Stop streaming */
-
-#define VIDIOC_STREAMOFF _VIDIOC(0x0013)
-
-/* Get streaming parameters */
-
-#define VIDIOC_G_PARM _VIDIOC(0x0015)
-
-/* Set streaming parameters */
-
-#define VIDIOC_S_PARM _VIDIOC(0x0016)
-
-/* Query the video standard of the current input */
-
-#define VIDIOC_G_STD _VIDIOC(0x0017)
-
-/* Select the video standard of the current input */
-
-#define VIDIOC_S_STD _VIDIOC(0x0018)
-
-/* Enumerate supported video standards */
-
-#define VIDIOC_ENUMSTD _VIDIOC(0x0019)
-
-/* Enumerate video inputs */
-
-#define VIDIOC_ENUMINPUT _VIDIOC(0x001a)
-
-/* Get current control value.
- * This request is a special case of VIDIOC_G_EXT_CTRLS.
- * Address pointing to struct #v4l2_control
- */
-
-#define VIDIOC_G_CTRL _VIDIOC(0x001b)
-
-/* Set control value.
- * This request is a special case of VIDIOC_S_EXT_CTRLS.
- * Address pointing to struct #v4l2_control
- */
-
-#define VIDIOC_S_CTRL _VIDIOC(0x001c)
-
-/* Query control */
-
-#define VIDIOC_QUERYCTRL _VIDIOC(0x0024)
-
-/* Query menu */
-
-#define VIDIOC_QUERYMENU _VIDIOC(0x0025)
-
-/* Get video input */
-
-#define VIDIOC_G_INPUT _VIDIOC(0x0026)
-
-/* Set video input */
-
-#define VIDIOC_S_INPUT _VIDIOC(0x0027)
-
-/* Set video crop and scale */
-
-#define VIDIOC_CROPCAP _VIDIOC(0x003a)
-
-/* Query video standard */
-
-#define VIDIOC_QUERYSTD _VIDIOC(0x003f)
-
-/* Try format */
-
-#define VIDIOC_TRY_FMT _VIDIOC(0x0040)
-
-/* Get current control value
- * Address pointing to struct #v4l2_ext_controls
- */
-
-#define VIDIOC_G_EXT_CTRLS _VIDIOC(0x0047)
-
-/* Set control value
- * Address pointing to struct #v4l2_ext_controls
- */
-
-#define VIDIOC_S_EXT_CTRLS _VIDIOC(0x0048)
-
-/* Try control value
- * Address pointing to struct #v4l2_ext_controls
- */
-
-#define VIDIOC_TRY_EXT_CTRLS _VIDIOC(0x0049)
-
-/* Enumerate the framesizes supported by device */
-
-#define VIDIOC_ENUM_FRAMESIZES _VIDIOC(0x004a)
-
-/* Enumerate the frameintervals supported by device */
-
-#define VIDIOC_ENUM_FRAMEINTERVALS _VIDIOC(0x004b)
-
-/* Execute an encoder command */
-
-#define VIDIOC_ENCODER_CMD _VIDIOC(0x004d)
-
-/* Dequeue event */
-
-#define VIDIOC_DQEVENT _VIDIOC(0x0059)
-
-/* Subscribe or unsubscribe event */
-
-#define VIDIOC_SUBSCRIBE_EVENT _VIDIOC(0x005a)
-
-/* Get clip
- * Address pointing to struct v4l2_selection
- */
-
-#define VIDIOC_G_SELECTION _VIDIOC(0x005e)
-
-/* Set clip
- * Address pointing to struct v4l2_selection
- */
-
-#define VIDIOC_S_SELECTION _VIDIOC(0x005f)
-
-/* Execute an decoder command */
-
-#define VIDIOC_DECODER_CMD _VIDIOC(0x0060)
-
-/* Query control */
-
-#define VIDIOC_QUERY_EXT_CTRL _VIDIOC(0x00c0)
-
-/* Cancel DQBUF
- * enum #v4l2_buf_type
- */
-
-#define VIDIOC_CANCEL_DQBUF _VIDIOC(0x00c1)
-
-/* Do halfpush */
-
-#define VIDIOC_DO_HALFPUSH _VIDIOC(0x00c2)
-
-/* Start taking picture
- *
- * Type is int32_t, not address pointer.\n
- * 0 or negative value means continuing until VIDIOC_TAKEPICT_STOP. \n
- * Positive value(to be supported) means continuing
- * up to a specified number of times or until VIDIOC_TAKEPICT_STOP.
- */
-
-#define VIDIOC_TAKEPICT_START _VIDIOC(0x00c3)
-
-/* Stop taking picture */
-
-#define VIDIOC_TAKEPICT_STOP _VIDIOC(0x00c4)
-
-/* Query control for scene parameter
- * Address pointing to struct v4s_query_ext_ctrl_scene
- */
-
-#define V4SIOC_QUERY_EXT_CTRL_SCENE _VIDIOC(0x00c5)
-
-/* Query menu for scene parameter
- * Address pointing to struct v4s_querymenu_scene
- */
-
-#define V4SIOC_QUERYMENU_SCENE _VIDIOC(0x00c6)
-
-/* Get current control value
- * Address pointing to struct v4s_ext_controls_scene
- */
-
-#define V4SIOC_G_EXT_CTRLS_SCENE _VIDIOC(0x00c7)
-
-/* Set control value
- * Address pointing to struct v4s_ext_controls_scene
- */
-
-#define V4SIOC_S_EXT_CTRLS_SCENE _VIDIOC(0x00c8)
-
#define VIDEO_HSIZE_QVGA (320) /* QVGA horizontal size */
#define VIDEO_VSIZE_QVGA (240) /* QVGA vertical size */
#define VIDEO_HSIZE_VGA (640) /* VGA horizontal size */
@@ -292,1374 +55,6 @@ extern "C"
#define VIDEO_HSIZE_3M (2048) /* 3M horizontal size */
#define VIDEO_VSIZE_3M (1536) /* 3M vertical size */
-/* Four-character-code (FOURCC) */
-
-#define v4l2_fourcc(a, b, c, d)\
- ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
- ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
-#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
-
-/* RGB formats */
-
-#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1')
-#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4')
-#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2')
-#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2')
-#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O')
-#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5')
-#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5')
-#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P')
-#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q')
-#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5')
-#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5')
-#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R')
-#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H')
-#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3')
-#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3')
-#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4')
-#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4')
-#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4')
-#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4')
-#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4')
-#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4')
-
-/* Grey formats */
-
-#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y')
-#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ')
-#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ')
-#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ')
-#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ')
-#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ')
-#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ')
-
-/* Grey bit-packed formats */
-
-#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B')
-
-/* Palette formats */
-
-#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8')
-
-/* Chrominance formats */
-
-#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ')
-
-/* Luminance+Chrominance formats */
-
-#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V')
-#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V')
-#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U')
-#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y')
-#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y')
-#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P')
-#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4')
-#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O')
-#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P')
-#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4')
-#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4')
-#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2')
-#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0')
-
-/* Two planes -- one Y, one Cr + Cb interleaved */
-
-#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2')
-#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1')
-#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6')
-#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1')
-#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4')
-#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2')
-
-/* Two non contiguous planes - one Y, one Cr + Cb interleaved */
-
-#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2')
-#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1')
-#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6')
-#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1')
-#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2')
-#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2')
-
-/* Three planes - Y Cb, Cr */
-
-#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9')
-#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9')
-#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P')
-#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2')
-#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2')
-#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P')
-
-/* Three non contiguous planes - Y, Cb, Cr */
-
-#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2')
-#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1')
-#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6')
-#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1')
-#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4')
-#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2')
-
-/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
-
-#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1')
-#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G')
-#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G')
-#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B')
-#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0')
-#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0')
-#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0')
-#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0')
-
-/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
-
-#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
-#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
-#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
-#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
-
-/* 10bit raw bayer a-law compressed to 8 bits */
-
-#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
-#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
-#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
-#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
-
-/* 10bit raw bayer DPCM compressed to 8 bits */
-
-#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
-#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
-#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
-#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
-#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2')
-#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2')
-#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2')
-#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2')
-#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2')
-#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6')
-#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6')
-#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6')
-
-/* HSV formats */
-
-#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
-#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
-
-/* Compressed formats */
-
-#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G')
-#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G')
-#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd')
-#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G')
-#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4')
-#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1')
-#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4')
-#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3')
-#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1')
-#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2')
-#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4')
-#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D')
-#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G')
-#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L')
-#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0')
-#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0')
-#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C')
-
-/* JPEG + sub image */
-
-#define V4L2_PIX_FMT_JPEG_WITH_SUBIMG v4l2_fourcc('J', 'S', 'U', 'B')
-
-/* YUV 4:2:2 for sub image */
-
-#define V4L2_PIX_FMT_SUBIMG_UYVY v4l2_fourcc('S', 'Y', 'U', 'V')
-
-/* RGB565 for sub image */
-
-#define V4L2_PIX_FMT_SUBIMG_RGB565 v4l2_fourcc('S', 'R', 'G', 'B')
-
-/* MAX length of v4l2_fmtdesc description string */
-
-#define V4L2_FMT_DSC_MAX (32)
-
-/* MAX length of v4l2_query_ext_ctrl dims array */
-
-#define V4L2_CTRL_MAX_DIMS (4)
-
-/* MAX value of VIDIOC_REQBUFS count parameter */
-
-#define V4L2_REQBUFS_COUNT_MAX CONFIG_VIDEO_REQBUFS_COUNT_MAX
-
-/* Buffer error flag */
-
-#define V4L2_BUF_FLAG_ERROR (0x0001)
-
-/* Values for 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)
-
-/* Some macros to merge video standards in order to make live easier for the
- * drivers and V4L2 applications
- */
-
-/* "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
- * Missing here.
- */
-
-#define V4L2_STD_NTSC (V4L2_STD_NTSC_M | \
- V4L2_STD_NTSC_M_JP | \
- V4L2_STD_NTSC_M_KR)
-
-/* Secam macros */
-
-#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D | \
- V4L2_STD_SECAM_K | \
- V4L2_STD_SECAM_K1)
-
-/* All Secam Standards */
-
-#define V4L2_STD_SECAM (V4L2_STD_SECAM_B | \
- V4L2_STD_SECAM_G | \
- V4L2_STD_SECAM_H | \
- V4L2_STD_SECAM_DK | \
- V4L2_STD_SECAM_L | \
- V4L2_STD_SECAM_LC)
-
-/* PAL macros */
-#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B | \
- V4L2_STD_PAL_B1 | \
- V4L2_STD_PAL_G)
-#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D | \
- V4L2_STD_PAL_D1 | \
- V4L2_STD_PAL_K)
-
-/* "Common" PAL - This macro is there to be compatible with the old
- * V4L1 concept of "PAL": /BGDKHI.
- * Several PAL standards are missing here: /M, /N and /Nc
- */
-
-#define V4L2_STD_PAL (V4L2_STD_PAL_BG | \
- V4L2_STD_PAL_DK | \
- V4L2_STD_PAL_H | \
- V4L2_STD_PAL_I)
-
-/* Chroma "agnostic" standards */
-
-#define V4L2_STD_B (V4L2_STD_PAL_B | \
- V4L2_STD_PAL_B1 | \
- V4L2_STD_SECAM_B)
-#define V4L2_STD_G (V4L2_STD_PAL_G | \
- V4L2_STD_SECAM_G)
-#define V4L2_STD_H (V4L2_STD_PAL_H | \
- V4L2_STD_SECAM_H)
-#define V4L2_STD_L (V4L2_STD_SECAM_L | \
- V4L2_STD_SECAM_LC)
-#define V4L2_STD_GH (V4L2_STD_G | \
- V4L2_STD_H)
-#define V4L2_STD_DK (V4L2_STD_PAL_DK | \
- V4L2_STD_SECAM_DK)
-#define V4L2_STD_BG (V4L2_STD_B | \
- V4L2_STD_G)
-#define V4L2_STD_MN (V4L2_STD_PAL_M | \
- V4L2_STD_PAL_N | \
- V4L2_STD_PAL_Nc | \
- V4L2_STD_NTSC)
-
-/* Standards where MTS/BTSC stereo could be found */
-
-#define V4L2_STD_MTS (V4L2_STD_NTSC_M | \
- V4L2_STD_PAL_M | \
- V4L2_STD_PAL_N | \
- V4L2_STD_PAL_Nc)
-
-/* Standards for Countries with 60Hz Line frequency */
-
-#define V4L2_STD_525_60 (V4L2_STD_PAL_M | \
- V4L2_STD_PAL_60 | \
- V4L2_STD_NTSC | \
- V4L2_STD_NTSC_443)
-
-/* Standards for Countries with 50Hz Line frequency */
-
-#define V4L2_STD_625_50 (V4L2_STD_PAL | \
- V4L2_STD_PAL_N | \
- V4L2_STD_PAL_Nc | \
- V4L2_STD_SECAM)
-#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB | \
- V4L2_STD_ATSC_16_VSB)
-
-/* Macros with none and all analog standards */
-
-#define V4L2_STD_UNKNOWN 0
-#define V4L2_STD_ALL (V4L2_STD_525_60 | \
- V4L2_STD_625_50)
-
-/****************************************************************************
- * Public Types
- ****************************************************************************/
-
-/* V4L2 device capabilities for VIDIOC_QUERYCAP.
- * Currently, only member "driver" is supported.
- */
-
-struct v4l2_capability
-{
- uint8_t driver[16]; /* Name of driver module(e.g. "bttv" */
- uint8_t card[32]; /* Name of the card(e.g. "Yoyodyne TV/FM" */
- uint8_t bus_info[32]; /* Name of the bus(e.g. "PCI:0000:05:06.0" */
- uint32_t version; /* Version number of the driver */
- uint32_t capabilities; /* Available capabilities of the physical device */
- uint32_t device_caps; /* Device capabilities of the opened device */
-};
-
-/* Values for 'capabilities' field */
-
-enum v4l2_capabilities
-{
- V4L2_CAP_VIDEO_CAPTURE = 0x00000001, /* Is a video capture device */
- V4L2_CAP_VIDEO_OUTPUT = 0x00000002, /* Is a video output device */
- V4L2_CAP_VIDEO_OVERLAY = 0x00000004, /* Can do video overlay */
- V4L2_CAP_VBI_CAPTURE = 0x00000010, /* Is a raw VBI capture device */
- V4L2_CAP_VBI_OUTPUT = 0x00000020, /* Is a raw VBI output device */
- V4L2_CAP_SLICED_VBI_CAPTURE = 0x00000040, /* Is a sliced VBI capture device */
- V4L2_CAP_SLICED_VBI_OUTPUT = 0x00000080, /* Is a sliced VBI output device */
- V4L2_CAP_RDS_CAPTURE = 0x00000100, /* RDS data capture */
- V4L2_CAP_VIDEO_OUTPUT_OVERLAY = 0x00000200, /* Can do video output overlay */
- V4L2_CAP_HW_FREQ_SEEK = 0x00000400, /* Can do hardware frequency seek */
- V4L2_CAP_RDS_OUTPUT = 0x00000800, /* Is an RDS encoder */
- V4L2_CAP_VIDEO_CAPTURE_MPLANE = 0x00001000, /* Is a video capture device that supports multiplanar formats */
- V4L2_CAP_VIDEO_OUTPUT_MPLANE = 0x00002000, /* Is a video output device that supports multiplanar formats */
- V4L2_CAP_VIDEO_M2M_MPLANE = 0x00004000, /* Is a video mem-to-mem device that supports multiplanar formats */
- V4L2_CAP_VIDEO_M2M = 0x00008000, /* Is a video mem-to-mem device */
- V4L2_CAP_TUNER = 0x00010000, /* Has a tuner */
- V4L2_CAP_AUDIO = 0x00020000, /* Has audio support */
- V4L2_CAP_RADIO = 0x00040000, /* Is a radio device */
- V4L2_CAP_MODULATOR = 0x00080000, /* Has a modulator */
- V4L2_CAP_SDR_CAPTURE = 0x00100000, /* Is a SDR capture device */
- V4L2_CAP_EXT_PIX_FORMAT = 0x00200000, /* Supports the extended pixel format */
- V4L2_CAP_SDR_OUTPUT = 0x00400000, /* Is a SDR output device */
- V4L2_CAP_READWRITE = 0x01000000, /* Read/write systemcalls */
- V4L2_CAP_ASYNCIO = 0x02000000, /* Async I/O */
- V4L2_CAP_STREAMING = 0x04000000, /* Streaming I/O ioctls */
- V4L2_CAP_TOUCH = 0x10000000, /* Is a touch device */
- V4L2_CAP_DEVICE_CAPS = 0x80000000, /* Sets device capabilities field */
-};
-
-/* Rectangle information */
-
-struct v4l2_rect
-{
- /* Horizontal offset of the top, left corner of the rectangle, in pixels. */
-
- int32_t left;
-
- /* Vertical offset of the top, left corner of the rectangle, in pixels. */
-
- int32_t top;
-
- /* Width of the rectangle, in pixels. */
-
- uint32_t width;
-
- /* Height of the rectangle, in pixels. */
-
- uint32_t height;
-};
-
-/* Fraction */
-
-struct v4l2_fract
-{
- uint32_t numerator; /* Numerator */
- uint32_t denominator; /* Denominator */
-};
-
-/* V4L2 selection info for VIDIOC_S_SELECTION and VIDIOC_G_SELECTION.
- * Currently, only member type and r are supported.
- */
-
-struct v4l2_selection
-{
- uint32_t type; /* Buffer type */
- uint32_t target;
- uint32_t flags;
- struct v4l2_rect r; /* The selection rectangle. */
-};
-
-typedef uint64_t v4l2_std_id;
-
-struct v4l2_standard
-{
- uint32_t index;
- v4l2_std_id id;
- uint8_t name[24];
- struct v4l2_fract frameperiod; /* Frames, not fields */
- uint32_t framelines;
- uint32_t reserved[4];
-};
-
-/* Buffer type.
- * Currently, support only V4L2_BUF_TYPE_VIDEO_CAPTURE and
- * V4L2_BUF_TYPE_STILL_CAPTURE.
- */
-
-enum v4l2_buf_type
-{
- V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, /* Single-planar video capture stream */
- V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, /* Single-planar video output stream */
- V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, /* Video overlay */
- V4L2_BUF_TYPE_VBI_CAPTURE = 4, /* Raw VBI capture stream */
- V4L2_BUF_TYPE_VBI_OUTPUT = 5, /* Raw VBI output stream */
- V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, /* Sliced VBI capture stream */
- V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, /* Sliced VBI output stream */
- V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, /* Video output overlay */
- V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, /* Multi-planar video capture stream */
- V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, /* Multi-planar video output stream */
- V4L2_BUF_TYPE_SDR_CAPTURE = 11, /* Software Defined Radio capture stream */
- V4L2_BUF_TYPE_SDR_OUTPUT = 12, /* Software Defined Radio output stream */
- V4L2_BUF_TYPE_META_CAPTURE = 13, /* Metadata capture */
- V4L2_BUF_TYPE_META_OUTPUT = 14, /* Metadata output */
- V4L2_BUF_TYPE_PRIVATE = 0x80, /* Deprecated, do not use */
- V4L2_BUF_TYPE_STILL_CAPTURE = 0x81 /* Single-planar still capture stream */
-};
-
-#define V4L2_TYPE_IS_MULTIPLANAR(type) \
- ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
- || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-
-#define V4L2_TYPE_IS_OUTPUT(type) \
- ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
- || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
- || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
- || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
- || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
- || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
- || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
- || (type) == V4L2_BUF_TYPE_META_OUTPUT)
-
-/* Memory I/O method. Currently, support only V4L2_MEMORY_USERPTR. */
-
-enum v4l2_memory
-{
- V4L2_MEMORY_MMAP = 1, /* Memory mapping I/O */
- V4L2_MEMORY_USERPTR = 2, /* User pointer I/O */
- V4L2_MEMORY_OVERLAY = 3, /* Overlay I/O */
- V4L2_MEMORY_DMABUF = 4, /* DMA shared buffer I/O */
-};
-
-/* See also http://vektor.theorem.ca/graphics/ycbcr/ */
-
-enum v4l2_colorspace
-{
- /* Default colorspace, i.e. let the driver figure it out.
- * Can only be used with video capture.
- */
-
- V4L2_COLORSPACE_DEFAULT = 0,
-
- /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
-
- V4L2_COLORSPACE_SMPTE170M = 1,
-
- /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
-
- V4L2_COLORSPACE_SMPTE240M = 2,
-
- /* Rec.709: used for HDTV */
-
- V4L2_COLORSPACE_REC709 = 3,
-
- /* Deprecated, do not use. No driver will ever return this. This was
- * based on a misunderstanding of the bt878 datasheet.
- */
-
- V4L2_COLORSPACE_BT878 = 4,
-
- /* NTSC 1953 colorspace. This only makes sense when dealing with
- * really, really old NTSC recordings. Superseded by SMPTE 170M.
- */
-
- V4L2_COLORSPACE_470_SYSTEM_M = 5,
-
- /* EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
- * dealing with really old PAL/SECAM recordings. Superseded by
- * SMPTE 170M.
- */
-
- V4L2_COLORSPACE_470_SYSTEM_BG = 6,
-
- /* Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
- * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
- */
-
- V4L2_COLORSPACE_JPEG = 7,
-
- /* For RGB colorspaces such as produces by most webcams. */
-
- V4L2_COLORSPACE_SRGB = 8,
-
- /* opRGB colorspace */
-
- V4L2_COLORSPACE_OPRGB = 9,
-
- /* BT.2020 colorspace, used for UHDTV. */
-
- V4L2_COLORSPACE_BT2020 = 10,
-
- /* Raw colorspace: for RAW unprocessed images */
-
- V4L2_COLORSPACE_RAW = 11,
-
- /* DCI-P3 colorspace, used by cinema projectors */
-
- V4L2_COLORSPACE_DCI_P3 = 12,
-};
-
-/* Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
- * This depends on whether this is a SDTV image (use SMPTE 170M), an
- * HDTV image (use Rec. 709), or something else (use sRGB).
- */
-
-#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
- ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
- ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
-
-enum v4l2_xfer_func
-{
-/* Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
- * for the various colorspaces:
- *
- * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
- * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
- * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
- *
- * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
- *
- * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
- *
- * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
- *
- * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
- *
- * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
- */
-
- V4L2_XFER_FUNC_DEFAULT = 0,
- V4L2_XFER_FUNC_709 = 1,
- V4L2_XFER_FUNC_SRGB = 2,
- V4L2_XFER_FUNC_OPRGB = 3,
- V4L2_XFER_FUNC_SMPTE240M = 4,
- V4L2_XFER_FUNC_NONE = 5,
- V4L2_XFER_FUNC_DCI_P3 = 6,
- V4L2_XFER_FUNC_SMPTE2084 = 7,
-};
-
-enum v4l2_ycbcr_encoding
-{
-/* Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
- * various colorspaces:
- *
- * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
- * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
- * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
- *
- * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
- *
- * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
- *
- * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
- */
-
- V4L2_YCBCR_ENC_DEFAULT = 0,
-
- /* ITU-R 601 -- SDTV */
-
- V4L2_YCBCR_ENC_601 = 1,
-
- /* Rec. 709 -- HDTV */
-
- V4L2_YCBCR_ENC_709 = 2,
-
- /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
-
- V4L2_YCBCR_ENC_XV601 = 3,
-
- /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
-
- V4L2_YCBCR_ENC_XV709 = 4,
-
-/* sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
- * originally due to a misunderstanding of the sYCC standard. It should
- * not be used, instead use V4L2_YCBCR_ENC_601.
- */
-
- V4L2_YCBCR_ENC_SYCC = 5,
-
- /* BT.2020 Non-constant Luminance Y'CbCr */
-
- V4L2_YCBCR_ENC_BT2020 = 6,
-
- /* BT.2020 Constant Luminance Y'CbcCrc */
-
- V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
-
- /* SMPTE 240M -- Obsolete HDTV */
-
- V4L2_YCBCR_ENC_SMPTE240M = 8,
-};
-
-enum v4l2_quantization
-{
-/* The default for R'G'B' quantization is always full range.
- * For Y'CbCr the quantization is always limited range, except
- * for COLORSPACE_JPEG: this is full range.
- */
-
- V4L2_QUANTIZATION_DEFAULT = 0,
- V4L2_QUANTIZATION_FULL_RANGE = 1,
- V4L2_QUANTIZATION_LIM_RANGE = 2,
-};
-
-/* Field order. Currently, support only V4L2_FIELD_ANY */
-
-enum v4l2_field
-{
- V4L2_FIELD_ANY = 0, /* Driver can choose from none, */
- 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 */
- V4L2_FIELD_SEQ_BT = 6, /* Same as above + bottom-top order */
- V4L2_FIELD_ALTERNATE = 7, /* Both fields alternating into */
- V4L2_FIELD_INTERLACED_TB = 8, /* Both fields interlaced, top field */
- V4L2_FIELD_INTERLACED_BT = 9, /* Both fields interlaced, top field */
-};
-
-/* Buffer mode */
-
-enum v4l2_buf_mode
-{
- V4L2_BUF_MODE_RING = 0, /* Ring structure */
- V4L2_BUF_MODE_FIFO = 1, /* FIFO structure */
-};
-
-struct v4l2_requestbuffers
-{
- uint32_t count; /* The number of buffers requested.
- * Supported maximum is
- * is V4L2_REQBUFS_COUNT_MAX
- */
- uint32_t type; /* enum #v4l2_buf_type */
- uint32_t memory; /* enum #v4l2_memory */
- uint32_t mode; /* enum #v4l2_buf_mode */
-};
-
-typedef struct v4l2_requestbuffers v4l2_requestbuffers_t;
-
-struct v4l2_timecode
-{
- uint32_t type;
- uint32_t flags;
- uint8_t frames;
- uint8_t seconds;
- uint8_t minutes;
- uint8_t hours;
- uint8_t userbits[4];
-};
-
-typedef struct v4l2_timecode v4l2_timecode_t;
-
-struct v4l2_plane
-{
- uint32_t bytesused;
- uint32_t length;
- union
- {
- uint32_t mem_offset;
- unsigned long userptr;
- int fd;
- } m;
- uint32_t data_offset;
- uint32_t reserved[11];
-};
-
-typedef struct v4l2_plane v4l2_plane_t;
-
-/* struct v4l2_buffer
- * Parameter of ioctl(VIDIOC_QBUF) and ioctl(VIDIOC_DQBUF).
- * Currently, support only index, type, bytesused, memory,
- * m.userptr, and length.
- */
-
-struct v4l2_buffer
-{
- uint16_t index; /* Buffer id */
- uint16_t type; /* enum #v4l2_buf_type */
- uint32_t bytesused; /* Driver sets the image size */
- uint16_t flags; /* Buffer flags. */
- uint16_t field; /* The field order of the image */
- struct timeval timestamp; /* Frame timestamp */
- struct v4l2_timecode timecode; /* Frame timecode */
- uint16_t sequence; /* Frame sequence number */
- uint16_t memory; /* enum #v4l2_memory */
- union
- {
- uint32_t offset;
- unsigned long userptr; /* Address of buffer */
- struct v4l2_plane *planes;
- int fd;
- } m;
- uint32_t length; /* User set the buffer size */
-};
-
-typedef struct v4l2_buffer v4l2_buffer_t;
-
-/* Image is a keyframe (I-frame) */
-
-#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
-
-/* mem2mem encoder/decoder */
-
-#define V4L2_BUF_FLAG_LAST 0x00100000
-
-struct v4l2_fmtdesc
-{
- uint16_t index; /* Format number */
- uint16_t type; /* enum v4l2_buf_type */
- uint32_t flags;
- char description[V4L2_FMT_DSC_MAX]; /* Description string */
- uint32_t pixelformat; /* Format fourcc */
-};
-
-enum v4l2_fmt_flag
-{
- V4L2_FMT_FLAG_COMPRESSED = 0x0001, /* This is a compressed format */
- V4L2_FMT_FLAG_EMULATED = 0x0002, /* This format is not native */
-};
-
-enum v4l2_frmsizetypes
-{
- V4L2_FRMSIZE_TYPE_DISCRETE = 1, /* Discrete value */
- V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, /* Continuous value */
- V4L2_FRMSIZE_TYPE_STEPWISE = 3, /* Step value */
-};
-
-struct v4l2_frmsize_discrete
-{
- uint16_t width; /* Frame width [pixel] */
- uint16_t height; /* Frame height [pixel] */
-};
-
-struct v4l2_frmsize_stepwise
-{
- uint16_t min_width; /* Minimum frame width [pixel] */
- uint16_t max_width; /* Maximum frame width [pixel] */
- uint16_t step_width; /* Frame width step size [pixel] */
- uint16_t min_height; /* Minimum frame height [pixel] */
- uint16_t max_height; /* Maximum frame height [pixel] */
- uint16_t step_height; /* Frame height step size [pixel] */
-};
-
-struct v4l2_frmsizeenum
-{
- uint32_t index; /* Frame size number */
- uint32_t buf_type; /* enum #v4l2_buf_type */
- uint32_t pixel_format; /* Pixel format */
- uint32_t type; /* Frame size type the device supports. */
-
- /* In type == V4L2_FRMSIZE_TYPE_DISCRETE case, use discrete.
- * Otherwise, use stepwise.
- */
-
- union
- {
- struct v4l2_frmsize_discrete discrete;
- struct v4l2_frmsize_stepwise stepwise;
- };
-};
-
-/* Type of frame interval enumeration */
-
-enum v4l2_frmivaltypes
-{
- V4L2_FRMIVAL_TYPE_DISCRETE = 1, /* Discrete value */
- V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, /* Continuous value */
- V4L2_FRMIVAL_TYPE_STEPWISE = 3, /* Step value */
-};
-
-/* Frame interval enumeration with stepwise format */
-
-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
-{
- uint32_t index; /* Frame format index */
- uint32_t buf_type; /* enum #v4l2_buf_type */
- uint32_t pixel_format; /* Pixel format */
- uint16_t width; /* Frame width */
- uint16_t height; /* Frame height */
- uint32_t type; /* Frame interval type */
- union
- { /* Frame interval */
- struct v4l2_fract discrete;
- struct v4l2_frmival_stepwise stepwise;
- };
-};
-
-/* Single-planar format structure. */
-
-struct v4l2_pix_format
-{
- uint16_t width; /* Image width in pixels */
- uint16_t height; /* Image height in pixels */
- uint32_t pixelformat; /* The pixel format or type of compression. */
- uint32_t field; /* enum #v4l2_field */
- uint32_t bytesperline; /* For padding, zero if unused */
- uint32_t sizeimage; /* Size in bytes of the buffer to hold a complete image */
- uint32_t colorspace; /* Image colorspace */
- uint32_t priv; /* Private data, depends on pixelformat */
- uint32_t flags; /* Format flags (V4L2_PIX_FMT_FLAG_*) */
- union
- {
- uint32_t ycbcr_enc; /* enum v4l2_ycbcr_encoding */
- uint32_t hsv_enc; /* enum v4l2_hsv_encoding */
- };
- uint32_t quantization; /* enum v4l2_quantization */
- uint32_t xfer_func; /* enum v4l2_xfer_func */
-};
-
-typedef struct v4l2_pix_format v4l2_pix_format_t;
-
-/* 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
-{
- uint32_t sizeimage;
- uint32_t bytesperline;
- uint16_t reserved[6];
-};
-
-/* struct v4l2_pix_format_mplane - multiplanar format definition
- * @width: image width in pixels
- * @height: image height in pixels
- * @pixelformat: little endian four character code (fourcc)
- * @field: enum v4l2_field; field order (for interlaced video)
- * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
- * @plane_fmt: per-plane information
- * @num_planes: number of planes for this format
- * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
- * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
- * @quantization: enum v4l2_quantization, colorspace quantization
- * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
- */
-
-struct v4l2_pix_format_mplane
-{
- uint32_t width;
- uint32_t height;
- uint32_t pixelformat;
- uint32_t field;
- uint32_t colorspace;
-
- struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
- uint8_t num_planes;
- uint8_t flags;
- union
- {
- uint8_t ycbcr_enc;
- uint8_t hsv_enc;
- };
- uint8_t quantization;
- uint8_t xfer_func;
- uint8_t reserved[7];
-};
-
-struct v4l2_format
-{
- uint32_t type; /* enum #v4l2_buf_type. */
- union
- {
- struct v4l2_pix_format pix; /* Image format */
- struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
- } fmt;
-};
-
-typedef struct v4l2_format v4l2_format_t;
-
-struct v4l2_captureparm
-{
- uint32_t capability; /* Supported modes */
- uint32_t capturemode; /* Current mode */
- struct v4l2_fract timeperframe; /* Time per frame in seconds */
- uint32_t extendedmode; /* Driver-specific extensions */
- uint32_t readbuffers; /* # of buffers for read */
-};
-
-struct v4l2_cropcap
-{
- uint32_t type; /* enum v4l2_buf_type */
- struct v4l2_rect bounds;
- struct v4l2_rect defrect;
- struct v4l2_fract pixelaspect;
-};
-
-/* Flags for 'capability' and 'capturemode' fields */
-
-enum v4l2_capture_mode
-{
- V4L2_MODE_HIGHQUALITY = 0x0001, /* High quality imaging mode */
-};
-
-enum v4l2_capture_capability
-{
- V4L2_CAP_TIMEPERFRAME = 0x1000, /* timeperframe field is supported */
-};
-
-struct v4l2_streamparm
-{
- uint32_t type; /* enum v4l2_buf_type */
- union
- {
- struct v4l2_captureparm capture;
- } parm;
-};
-
-/* E V E N T S */
-
-#define V4L2_EVENT_ALL 0
-#define V4L2_EVENT_VSYNC 1
-#define V4L2_EVENT_EOS 2
-#define V4L2_EVENT_CTRL 3
-#define V4L2_EVENT_FRAME_SYNC 4
-#define V4L2_EVENT_SOURCE_CHANGE 5
-#define V4L2_EVENT_MOTION_DET 6
-#define V4L2_EVENT_PRIVATE_START 0x08000000
-
-/* Payload for V4L2_EVENT_VSYNC */
-
-struct v4l2_event_vsync
-{
- /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
-
- uint8_t field;
-};
-
-/* 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
-{
- uint32_t changes;
- uint32_t type;
- union
- {
- int32_t value;
- int64_t value64;
- };
- uint32_t flags;
- int32_t minimum;
- int32_t maximum;
- int32_t step;
- int32_t default_value;
-};
-
-struct v4l2_event_frame_sync
-{
- uint32_t frame_sequence;
-};
-
-#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
-
-struct v4l2_event_src_change
-{
- uint32_t changes;
-};
-
-#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
-
-/* struct v4l2_event_motion_det - motion detection event
- * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
- * frame_sequence field is valid.
- * @frame_sequence: the frame sequence number associated with this event.
- * @region_mask: which regions detected motion.
- */
-
-struct v4l2_event_motion_det
-{
- uint32_t flags;
- uint32_t frame_sequence;
- uint32_t region_mask;
-};
-
-struct v4l2_event
-{
- uint32_t type;
- union
- {
- struct v4l2_event_vsync vsync;
- struct v4l2_event_ctrl ctrl;
- struct v4l2_event_frame_sync frame_sync;
- struct v4l2_event_src_change src_change;
- struct v4l2_event_motion_det motion_det;
- uint8_t data[64];
- } u;
- uint32_t pending;
- uint32_t sequence;
- struct timespec timestamp;
- uint32_t id;
- uint32_t reserved[8];
-};
-
-#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
-#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
-
-struct v4l2_event_subscription
-{
- uint32_t type;
- uint32_t id;
- uint32_t flags;
- uint32_t reserved[5];
-};
-
-enum v4l2_ctrl_type
-{
- V4L2_CTRL_TYPE_INTEGER = 1,
- V4L2_CTRL_TYPE_BOOLEAN = 2,
- V4L2_CTRL_TYPE_MENU = 3,
- V4L2_CTRL_TYPE_BUTTON = 4,
- V4L2_CTRL_TYPE_INTEGER64 = 5,
- V4L2_CTRL_TYPE_CTRL_CLASS = 6,
- V4L2_CTRL_TYPE_STRING = 7,
- V4L2_CTRL_TYPE_BITMASK = 8,
- V4L2_CTRL_TYPE_INTEGER_MENU = 9,
- V4L2_CTRL_TYPE_U8FIXEDPOINT_Q7 = 10,
- V4L2_CTRL_TYPE_U16FIXEDPOINT_Q8 = 11,
- V4L2_CTRL_TYPE_INTEGER_TIMES_3 = 12,
-
- /* Compound types are >= 0x0100 */
-
- V4L2_CTRL_COMPOUND_TYPES = 0x0100,
- V4L2_CTRL_TYPE_U8 = 0x0100,
- V4L2_CTRL_TYPE_U16 = 0x0101,
- V4L2_CTRL_TYPE_U32 = 0x0102,
-};
-
-struct v4l2_queryctrl
-{
- uint16_t ctrl_class; /* Control class */
- uint16_t id; /* Control id */
- uint16_t type; /* enum #v4l2_ctrl_type */
- char name[32]; /* Name of control */
- int32_t minimum; /* Minimum value */
- int32_t maximum; /* Maximum value */
- uint32_t step; /* Step */
- int32_t default_value; /* Default value */
- uint32_t flags; /* Flag */};
-
-struct v4l2_query_ext_ctrl
-{
- uint16_t ctrl_class; /* Control class */
- uint16_t id; /* Control id */
- uint16_t type; /* enum #v4l2_ctrl_type */
- char name[32]; /* Name of control */
- int64_t minimum; /* Minimum value */
- int64_t maximum; /* Maximum value */
- uint64_t step; /* Step */
- int64_t default_value; /* Default value */
- uint32_t flags; /* Flag */
- uint32_t elem_size; /* Size of each element */
- uint32_t elems; /* Number of elements */
- uint32_t nr_of_dims; /* Number of dimensions */
- uint32_t dims[V4L2_CTRL_MAX_DIMS]; /* Dimensions */
-};
-
-struct v4l2_querymenu
-{
- uint16_t ctrl_class; /* Camera control class */
- uint16_t id; /* Camera control id */
- uint32_t index; /* Index of menu. */
- union
- {
- char name[32]; /* Name of menu */
- int64_t value; /* Value of menu */
- };
-};
-
-struct v4l2_input
-{
- uint32_t index; /* Which input */
- uint8_t name[32]; /* Label */
- uint32_t type; /* Type of input */
- uint32_t audioset; /* Associated audios (bitfield) */
- uint32_t tuner; /* enum v4l2_tuner_type */
- v4l2_std_id std;
- uint32_t status;
- uint32_t capabilities;
- uint32_t reserved[3];
-};
-
-/* Values for the 'type' field */
-
-enum v4l2_input_type
-{
- V4L2_INPUT_TYPE_TUNER = 1,
- V4L2_INPUT_TYPE_CAMERA = 2,
- V4L2_INPUT_TYPE_TOUCH = 3,
-};
-
-enum v4l2_input_status
-{
- /* Field 'status' - general */
-
- V4L2_IN_ST_NO_POWER = 0x00000001, /* Attached device is off */
- V4L2_IN_ST_NO_SIGNAL = 0x00000002,
- V4L2_IN_ST_NO_COLOR = 0x00000004,
-
- /* Field 'status' - sensor orientation */
-
- /* If sensor is mounted upside down set both bits */
-
- V4L2_IN_ST_HFLIP = 0x00000010, /* Frames are flipped horizontally */
- V4L2_IN_ST_VFLIP = 0x00000020, /* Frames are flipped vertically */
-
- /* Field 'status' - analog */
-
- V4L2_IN_ST_NO_H_LOCK = 0x00000100, /* No horizontal sync lock */
- V4L2_IN_ST_COLOR_KILL = 0x00000200, /* Color killer is active */
- V4L2_IN_ST_NO_V_LOCK = 0x00000400, /* No vertical sync lock */
- V4L2_IN_ST_NO_STD_LOCK = 0x00000800, /* No standard format lock */
-
- /* Field 'status' - digital */
-
- V4L2_IN_ST_NO_SYNC = 0x00010000, /* No synchronization lock */
- V4L2_IN_ST_NO_EQU = 0x00020000, /* No equalizer lock */
- V4L2_IN_ST_NO_CARRIER = 0x00040000, /* Carrier recovery failed */
-
- /* Field 'status' - VCR and set-top box */
-
- V4L2_IN_ST_MACROVISION = 0x01000000, /* Macrovision detected */
- V4L2_IN_ST_NO_ACCESS = 0x02000000, /* Conditional access denied */
- V4L2_IN_ST_VTR = 0x04000000, /* VTR time constant */
-};
-
-/* Capabilities flags */
-
-enum v4l2_input_capabilities
-{
- V4L2_IN_CAP_DV_TIMINGS = 0x00000002, /* Supports S_DV_TIMINGS */
- V4L2_IN_CAP_STD = 0x00000004, /* Supports S_STD */
- V4L2_IN_CAP_NATIVE_SIZE = 0x00000008, /* Supports setting native size */
-};
-
-enum v4l2_input_capabilites_compat
-{
- V4L2_IN_CAP_CUSTOM_TIMINGS = V4L2_IN_CAP_DV_TIMINGS, /* For compatibility */
-};
-
-struct v4l2_output
-{
- uint32_t index; /* Which output */
- uint8_t name[32]; /* Label */
- uint32_t type; /* Type of output */
- uint32_t audioset; /* Associated audios (bitfield) */
- uint32_t modulator; /* Associated modulator */
- v4l2_std_id std;
- uint32_t capabilities;
- uint32_t reserved[3];
-};
-
-/* Values for the 'type' field */
-
-enum v4l2_output_type
-{
- V4L2_OUTPUT_TYPE_MODULATOR = 1,
- V4L2_OUTPUT_TYPE_ANALOG = 2,
- V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY = 3,
-};
-
-/* Capabilities flags */
-
-enum v4l2_output_capabilities
-{
- V4L2_OUT_CAP_DV_TIMINGS = 0x00000002, /* Supports S_DV_TIMINGS */
- V4L2_OUT_CAP_STD = 0x00000004, /* Supports S_STD */
- V4L2_OUT_CAP_NATIVE_SIZE = 0x00000008, /* Supports setting native size */
-};
-
-enum v4l2_output_capabilites_compat
-{
- V4L2_OUT_CAP_CUSTOM_TIMINGS = V4L2_OUT_CAP_DV_TIMINGS, /* For compatibility */
-};
-
-struct v4l2_control
-{
- uint16_t id;
- int32_t value;
-};
-
-/* Structure for each control of
- * ioctl(VIDIOC_G_EXT_CTRLS / VIDIOC_S_EXT_CTRLS)
- */
-
-struct v4l2_ext_control
-{
- uint16_t id; /* Camera control id */
- uint16_t size; /* Size of value(not use) */
- union
- {
- int32_t value; /* QUERY_EXT_CTRL type = INTEGER, xxx */
- int64_t value64; /* QUERY_EXT_CTRL type = INTEGER64, MENU */
- char *string;
- uint8_t *p_u8; /* QUERY_EXT_CTRL type = U8 */
- uint16_t *p_u16; /* QUERY_EXT_CTRL type = U16 */
- uint32_t *p_u32; /* QUERY_EXT_CTRL type = U32 */
- void *ptr;
- };
-};
-
-struct v4l2_ext_controls
-{
- union
- {
- uint16_t ctrl_class; /* Camera control class */
- uint16_t which;
- };
- uint16_t count; /* Number of requests */
- uint16_t error_idx; /* Index in that error occurred */
- struct v4l2_ext_control *controls; /* Each control information */
-};
-
-/* Structure for V4SIOC_S_EXT_CTRLS and V4SIOC_G_EXT_CTRLS */
-
-struct v4s_ext_controls_scene
-{
- enum v4l2_scene_mode mode; /* Scene mode to be controled */
- struct v4l2_ext_controls control; /* Same as VIDIOC_S_EXT_CTRLS */
-};
-
-/* Structure for V4SIOC_QUERY_EXT_CTRL */
-
-struct v4s_query_ext_ctrl_scene
-{
- enum v4l2_scene_mode mode; /* Scene mode to be queried */
- struct v4l2_query_ext_ctrl control; /* Same as VIDIOC_QUERY_EXT_CTRL */
-};
-
-/* Structure for V4SIOC_QUERYMENU */
-
-struct v4s_querymenu_scene
-{
- enum v4l2_scene_mode mode; /* Scene mode to be queried */
- struct v4l2_querymenu menu; /* Same as VIDIOC_QUERYMENU */
-};
-
-#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
-{
- uint32_t cmd;
- uint32_t flags;
- union
- {
- struct
- {
- uint32_t 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)
-
-/* The structure must be zeroed before use by the application
- * This ensures it can be extended safely in the future.
- */
-
-struct v4l2_decoder_cmd
-{
- uint32_t cmd;
- uint32_t flags;
- union
- {
- struct
- {
- uint64_t 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.
- */
-
- int32_t speed;
- uint32_t format;
- } start;
-
- struct
- {
- uint32_t data[16];
- } raw;
- };
-};
-
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
diff --git a/include/sys/videoio.h b/include/sys/videoio.h
index 23dc9007bb..81b1444b16 100644
--- a/include/sys/videoio.h
+++ b/include/sys/videoio.h
@@ -18,8 +18,1632 @@
*
****************************************************************************/
+#ifndef __INCLUDE_SYS_VIDEOIO_H
+#define __INCLUDE_SYS_VIDEOIO_H
+
/****************************************************************************
* Included Files
****************************************************************************/
-#include <nuttx/video/video.h>
+#include <stdint.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include <nuttx/fs/ioctl.h>
+#include <nuttx/video/video_controls.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define VIDEO_MAX_FRAME 32
+#define VIDEO_MAX_PLANES 8
+
+/* Four-character-code (FOURCC) */
+
+#define v4l2_fourcc(a, b, c, d)\
+ ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
+ ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
+#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
+
+/* RGB formats */
+
+#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1')
+#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4')
+#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2')
+#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2')
+#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O')
+#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5')
+#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5')
+#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P')
+#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q')
+#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5')
+#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5')
+#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R')
+#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H')
+#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3')
+#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3')
+#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4')
+#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4')
+#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4')
+#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4')
+#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4')
+#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4')
+
+/* Grey formats */
+
+#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y')
+#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ')
+#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ')
+#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ')
+#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ')
+#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ')
+#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ')
+
+/* Grey bit-packed formats */
+
+#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B')
+
+/* Palette formats */
+
+#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8')
+
+/* Chrominance formats */
+
+#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ')
+
+/* Luminance+Chrominance formats */
+
+#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V')
+#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V')
+#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U')
+#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y')
+#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y')
+#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P')
+#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4')
+#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O')
+#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P')
+#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4')
+#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4')
+#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2')
+#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0')
+
+/* Two planes -- one Y, one Cr + Cb interleaved */
+
+#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2')
+#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1')
+#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6')
+#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1')
+#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4')
+#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2')
+
+/* Two non contiguous planes - one Y, one Cr + Cb interleaved */
+
+#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2')
+#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1')
+#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6')
+#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1')
+#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2')
+#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2')
+
+/* Three planes - Y Cb, Cr */
+
+#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9')
+#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9')
+#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P')
+#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2')
+#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2')
+#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P')
+
+/* Three non contiguous planes - Y, Cb, Cr */
+
+#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2')
+#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1')
+#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6')
+#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1')
+#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4')
+#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2')
+
+/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
+
+#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1')
+#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G')
+#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G')
+#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B')
+#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0')
+#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0')
+#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0')
+#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0')
+
+/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
+
+#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
+#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
+#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
+#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
+
+/* 10bit raw bayer a-law compressed to 8 bits */
+
+#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
+#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
+#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
+#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
+
+/* 10bit raw bayer DPCM compressed to 8 bits */
+
+#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
+#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
+#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
+#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
+#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2')
+#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2')
+#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2')
+#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2')
+#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2')
+#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6')
+#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6')
+#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6')
+
+/* HSV formats */
+
+#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
+#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
+
+/* Compressed formats */
+
+#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G')
+#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G')
+#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd')
+#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G')
+#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4')
+#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1')
+#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4')
+#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3')
+#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1')
+#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2')
+#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4')
+#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D')
+#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G')
+#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L')
+#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0')
+#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0')
+#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C')
+
+/* JPEG + sub image */
+
+#define V4L2_PIX_FMT_JPEG_WITH_SUBIMG v4l2_fourcc('J', 'S', 'U', 'B')
+
+/* YUV 4:2:2 for sub image */
+
+#define V4L2_PIX_FMT_SUBIMG_UYVY v4l2_fourcc('S', 'Y', 'U', 'V')
+
+/* RGB565 for sub image */
+
+#define V4L2_PIX_FMT_SUBIMG_RGB565 v4l2_fourcc('S', 'R', 'G', 'B')
+
+/* MAX length of v4l2_fmtdesc description string */
+
+#define V4L2_FMT_DSC_MAX (32)
+
+/* MAX length of v4l2_query_ext_ctrl dims array */
+
+#define V4L2_CTRL_MAX_DIMS (4)
+
+/* MAX value of VIDIOC_REQBUFS count parameter */
+
+#define V4L2_REQBUFS_COUNT_MAX CONFIG_VIDEO_REQBUFS_COUNT_MAX
+
+/* Buffer error flag */
+
+#define V4L2_BUF_FLAG_ERROR (0x0001)
+
+/* Values for 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)
+
+/* Some macros to merge video standards in order to make live easier for the
+ * drivers and V4L2 applications
+ */
+
+/* "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
+ * Missing here.
+ */
+
+#define V4L2_STD_NTSC (V4L2_STD_NTSC_M | \
+ V4L2_STD_NTSC_M_JP | \
+ V4L2_STD_NTSC_M_KR)
+
+/* Secam macros */
+
+#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D | \
+ V4L2_STD_SECAM_K | \
+ V4L2_STD_SECAM_K1)
+
+/* All Secam Standards */
+
+#define V4L2_STD_SECAM (V4L2_STD_SECAM_B | \
+ V4L2_STD_SECAM_G | \
+ V4L2_STD_SECAM_H | \
+ V4L2_STD_SECAM_DK | \
+ V4L2_STD_SECAM_L | \
+ V4L2_STD_SECAM_LC)
+
+/* PAL macros */
+#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B | \
+ V4L2_STD_PAL_B1 | \
+ V4L2_STD_PAL_G)
+#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D | \
+ V4L2_STD_PAL_D1 | \
+ V4L2_STD_PAL_K)
+
+/* "Common" PAL - This macro is there to be compatible with the old
+ * V4L1 concept of "PAL": /BGDKHI.
+ * Several PAL standards are missing here: /M, /N and /Nc
+ */
+
+#define V4L2_STD_PAL (V4L2_STD_PAL_BG | \
+ V4L2_STD_PAL_DK | \
+ V4L2_STD_PAL_H | \
+ V4L2_STD_PAL_I)
+
+/* Chroma "agnostic" standards */
+
+#define V4L2_STD_B (V4L2_STD_PAL_B | \
+ V4L2_STD_PAL_B1 | \
+ V4L2_STD_SECAM_B)
+#define V4L2_STD_G (V4L2_STD_PAL_G | \
+ V4L2_STD_SECAM_G)
+#define V4L2_STD_H (V4L2_STD_PAL_H | \
+ V4L2_STD_SECAM_H)
+#define V4L2_STD_L (V4L2_STD_SECAM_L | \
+ V4L2_STD_SECAM_LC)
+#define V4L2_STD_GH (V4L2_STD_G | \
+ V4L2_STD_H)
+#define V4L2_STD_DK (V4L2_STD_PAL_DK | \
+ V4L2_STD_SECAM_DK)
+#define V4L2_STD_BG (V4L2_STD_B | \
+ V4L2_STD_G)
+#define V4L2_STD_MN (V4L2_STD_PAL_M | \
+ V4L2_STD_PAL_N | \
+ V4L2_STD_PAL_Nc | \
+ V4L2_STD_NTSC)
+
+/* Standards where MTS/BTSC stereo could be found */
+
+#define V4L2_STD_MTS (V4L2_STD_NTSC_M | \
+ V4L2_STD_PAL_M | \
+ V4L2_STD_PAL_N | \
+ V4L2_STD_PAL_Nc)
+
+/* Standards for Countries with 60Hz Line frequency */
+
+#define V4L2_STD_525_60 (V4L2_STD_PAL_M | \
+ V4L2_STD_PAL_60 | \
+ V4L2_STD_NTSC | \
+ V4L2_STD_NTSC_443)
+
+/* Standards for Countries with 50Hz Line frequency */
+
+#define V4L2_STD_625_50 (V4L2_STD_PAL | \
+ V4L2_STD_PAL_N | \
+ V4L2_STD_PAL_Nc | \
+ V4L2_STD_SECAM)
+#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB | \
+ V4L2_STD_ATSC_16_VSB)
+
+/* Macros with none and all analog standards */
+
+#define V4L2_STD_UNKNOWN 0
+#define V4L2_STD_ALL (V4L2_STD_525_60 | \
+ V4L2_STD_625_50)
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/* V4L2 device capabilities for VIDIOC_QUERYCAP.
+ * Currently, only member "driver" is supported.
+ */
+
+struct v4l2_capability
+{
+ uint8_t driver[16]; /* Name of driver module(e.g. "bttv" */
+ uint8_t card[32]; /* Name of the card(e.g. "Yoyodyne TV/FM" */
+ uint8_t bus_info[32]; /* Name of the bus(e.g. "PCI:0000:05:06.0" */
+ uint32_t version; /* Version number of the driver */
+ uint32_t capabilities; /* Available capabilities of the physical device */
+ uint32_t device_caps; /* Device capabilities of the opened device */
+};
+
+/* Values for 'capabilities' field */
+
+enum v4l2_capabilities
+{
+ V4L2_CAP_VIDEO_CAPTURE = 0x00000001, /* Is a video capture device */
+ V4L2_CAP_VIDEO_OUTPUT = 0x00000002, /* Is a video output device */
+ V4L2_CAP_VIDEO_OVERLAY = 0x00000004, /* Can do video overlay */
+ V4L2_CAP_VBI_CAPTURE = 0x00000010, /* Is a raw VBI capture device */
+ V4L2_CAP_VBI_OUTPUT = 0x00000020, /* Is a raw VBI output device */
+ V4L2_CAP_SLICED_VBI_CAPTURE = 0x00000040, /* Is a sliced VBI capture device */
+ V4L2_CAP_SLICED_VBI_OUTPUT = 0x00000080, /* Is a sliced VBI output device */
+ V4L2_CAP_RDS_CAPTURE = 0x00000100, /* RDS data capture */
+ V4L2_CAP_VIDEO_OUTPUT_OVERLAY = 0x00000200, /* Can do video output overlay */
+ V4L2_CAP_HW_FREQ_SEEK = 0x00000400, /* Can do hardware frequency seek */
+ V4L2_CAP_RDS_OUTPUT = 0x00000800, /* Is an RDS encoder */
+ V4L2_CAP_VIDEO_CAPTURE_MPLANE = 0x00001000, /* Is a video capture device that supports multiplanar formats */
+ V4L2_CAP_VIDEO_OUTPUT_MPLANE = 0x00002000, /* Is a video output device that supports multiplanar formats */
+ V4L2_CAP_VIDEO_M2M_MPLANE = 0x00004000, /* Is a video mem-to-mem device that supports multiplanar formats */
+ V4L2_CAP_VIDEO_M2M = 0x00008000, /* Is a video mem-to-mem device */
+ V4L2_CAP_TUNER = 0x00010000, /* Has a tuner */
+ V4L2_CAP_AUDIO = 0x00020000, /* Has audio support */
+ V4L2_CAP_RADIO = 0x00040000, /* Is a radio device */
+ V4L2_CAP_MODULATOR = 0x00080000, /* Has a modulator */
+ V4L2_CAP_SDR_CAPTURE = 0x00100000, /* Is a SDR capture device */
+ V4L2_CAP_EXT_PIX_FORMAT = 0x00200000, /* Supports the extended pixel format */
+ V4L2_CAP_SDR_OUTPUT = 0x00400000, /* Is a SDR output device */
+ V4L2_CAP_READWRITE = 0x01000000, /* Read/write systemcalls */
+ V4L2_CAP_ASYNCIO = 0x02000000, /* Async I/O */
+ V4L2_CAP_STREAMING = 0x04000000, /* Streaming I/O ioctls */
+ V4L2_CAP_TOUCH = 0x10000000, /* Is a touch device */
+ V4L2_CAP_DEVICE_CAPS = 0x80000000, /* Sets device capabilities field */
+};
+
+/* Rectangle information */
+
+struct v4l2_rect
+{
+ /* Horizontal offset of the top, left corner of the rectangle, in pixels. */
+
+ int32_t left;
+
+ /* Vertical offset of the top, left corner of the rectangle, in pixels. */
+
+ int32_t top;
+
+ /* Width of the rectangle, in pixels. */
+
+ uint32_t width;
+
+ /* Height of the rectangle, in pixels. */
+
+ uint32_t height;
+};
+
+/* Fraction */
+
+struct v4l2_fract
+{
+ uint32_t numerator; /* Numerator */
+ uint32_t denominator; /* Denominator */
+};
+
+/* V4L2 selection info for VIDIOC_S_SELECTION and VIDIOC_G_SELECTION.
+ * Currently, only member type and r are supported.
+ */
+
+struct v4l2_selection
+{
+ uint32_t type; /* Buffer type */
+ uint32_t target;
+ uint32_t flags;
+ struct v4l2_rect r; /* The selection rectangle. */
+};
+
+typedef uint64_t v4l2_std_id;
+
+struct v4l2_standard
+{
+ uint32_t index;
+ v4l2_std_id id;
+ uint8_t name[24];
+ struct v4l2_fract frameperiod; /* Frames, not fields */
+ uint32_t framelines;
+ uint32_t reserved[4];
+};
+
+/* Buffer type.
+ * Currently, support only V4L2_BUF_TYPE_VIDEO_CAPTURE and
+ * V4L2_BUF_TYPE_STILL_CAPTURE.
+ */
+
+enum v4l2_buf_type
+{
+ V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, /* Single-planar video capture stream */
+ V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, /* Single-planar video output stream */
+ V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, /* Video overlay */
+ V4L2_BUF_TYPE_VBI_CAPTURE = 4, /* Raw VBI capture stream */
+ V4L2_BUF_TYPE_VBI_OUTPUT = 5, /* Raw VBI output stream */
+ V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, /* Sliced VBI capture stream */
+ V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, /* Sliced VBI output stream */
+ V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, /* Video output overlay */
+ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, /* Multi-planar video capture stream */
+ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, /* Multi-planar video output stream */
+ V4L2_BUF_TYPE_SDR_CAPTURE = 11, /* Software Defined Radio capture stream */
+ V4L2_BUF_TYPE_SDR_OUTPUT = 12, /* Software Defined Radio output stream */
+ V4L2_BUF_TYPE_META_CAPTURE = 13, /* Metadata capture */
+ V4L2_BUF_TYPE_META_OUTPUT = 14, /* Metadata output */
+ V4L2_BUF_TYPE_PRIVATE = 0x80, /* Deprecated, do not use */
+ V4L2_BUF_TYPE_STILL_CAPTURE = 0x81 /* Single-planar still capture stream */
+};
+
+#define V4L2_TYPE_IS_MULTIPLANAR(type) \
+ ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
+ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+
+#define V4L2_TYPE_IS_OUTPUT(type) \
+ ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
+ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
+ || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
+ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
+ || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
+ || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
+ || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
+ || (type) == V4L2_BUF_TYPE_META_OUTPUT)
+
+/* Memory I/O method. Currently, support only V4L2_MEMORY_USERPTR. */
+
+enum v4l2_memory
+{
+ V4L2_MEMORY_MMAP = 1, /* Memory mapping I/O */
+ V4L2_MEMORY_USERPTR = 2, /* User pointer I/O */
+ V4L2_MEMORY_OVERLAY = 3, /* Overlay I/O */
+ V4L2_MEMORY_DMABUF = 4, /* DMA shared buffer I/O */
+};
+
+/* See also http://vektor.theorem.ca/graphics/ycbcr/ */
+
+enum v4l2_colorspace
+{
+ /* Default colorspace, i.e. let the driver figure it out.
+ * Can only be used with video capture.
+ */
+
+ V4L2_COLORSPACE_DEFAULT = 0,
+
+ /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
+
+ V4L2_COLORSPACE_SMPTE170M = 1,
+
+ /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
+
+ V4L2_COLORSPACE_SMPTE240M = 2,
+
+ /* Rec.709: used for HDTV */
+
+ V4L2_COLORSPACE_REC709 = 3,
+
+ /* Deprecated, do not use. No driver will ever return this. This was
+ * based on a misunderstanding of the bt878 datasheet.
+ */
+
+ V4L2_COLORSPACE_BT878 = 4,
+
+ /* NTSC 1953 colorspace. This only makes sense when dealing with
+ * really, really old NTSC recordings. Superseded by SMPTE 170M.
+ */
+
+ V4L2_COLORSPACE_470_SYSTEM_M = 5,
+
+ /* EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
+ * dealing with really old PAL/SECAM recordings. Superseded by
+ * SMPTE 170M.
+ */
+
+ V4L2_COLORSPACE_470_SYSTEM_BG = 6,
+
+ /* Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
+ * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
+ */
+
+ V4L2_COLORSPACE_JPEG = 7,
+
+ /* For RGB colorspaces such as produces by most webcams. */
+
+ V4L2_COLORSPACE_SRGB = 8,
+
+ /* opRGB colorspace */
+
+ V4L2_COLORSPACE_OPRGB = 9,
+
+ /* BT.2020 colorspace, used for UHDTV. */
+
+ V4L2_COLORSPACE_BT2020 = 10,
+
+ /* Raw colorspace: for RAW unprocessed images */
+
+ V4L2_COLORSPACE_RAW = 11,
+
+ /* DCI-P3 colorspace, used by cinema projectors */
+
+ V4L2_COLORSPACE_DCI_P3 = 12,
+};
+
+/* Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
+ * This depends on whether this is a SDTV image (use SMPTE 170M), an
+ * HDTV image (use Rec. 709), or something else (use sRGB).
+ */
+
+#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
+ ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
+ ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
+
+enum v4l2_xfer_func
+{
+/* Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
+ * for the various colorspaces:
+ *
+ * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
+ * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
+ * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
+ *
+ * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
+ *
+ * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
+ *
+ * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
+ *
+ * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
+ *
+ * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
+ */
+
+ V4L2_XFER_FUNC_DEFAULT = 0,
+ V4L2_XFER_FUNC_709 = 1,
+ V4L2_XFER_FUNC_SRGB = 2,
+ V4L2_XFER_FUNC_OPRGB = 3,
+ V4L2_XFER_FUNC_SMPTE240M = 4,
+ V4L2_XFER_FUNC_NONE = 5,
+ V4L2_XFER_FUNC_DCI_P3 = 6,
+ V4L2_XFER_FUNC_SMPTE2084 = 7,
+};
+
+enum v4l2_ycbcr_encoding
+{
+/* Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
+ * various colorspaces:
+ *
+ * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
+ * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
+ * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
+ *
+ * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
+ *
+ * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
+ *
+ * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
+ */
+
+ V4L2_YCBCR_ENC_DEFAULT = 0,
+
+ /* ITU-R 601 -- SDTV */
+
+ V4L2_YCBCR_ENC_601 = 1,
+
+ /* Rec. 709 -- HDTV */
+
+ V4L2_YCBCR_ENC_709 = 2,
+
+ /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
+
+ V4L2_YCBCR_ENC_XV601 = 3,
+
+ /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
+
+ V4L2_YCBCR_ENC_XV709 = 4,
+
+/* sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
+ * originally due to a misunderstanding of the sYCC standard. It should
+ * not be used, instead use V4L2_YCBCR_ENC_601.
+ */
+
+ V4L2_YCBCR_ENC_SYCC = 5,
+
+ /* BT.2020 Non-constant Luminance Y'CbCr */
+
+ V4L2_YCBCR_ENC_BT2020 = 6,
+
+ /* BT.2020 Constant Luminance Y'CbcCrc */
+
+ V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
+
+ /* SMPTE 240M -- Obsolete HDTV */
+
+ V4L2_YCBCR_ENC_SMPTE240M = 8,
+};
+
+enum v4l2_quantization
+{
+/* The default for R'G'B' quantization is always full range.
+ * For Y'CbCr the quantization is always limited range, except
+ * for COLORSPACE_JPEG: this is full range.
+ */
+
+ V4L2_QUANTIZATION_DEFAULT = 0,
+ V4L2_QUANTIZATION_FULL_RANGE = 1,
+ V4L2_QUANTIZATION_LIM_RANGE = 2,
+};
+
+/* Field order. Currently, support only V4L2_FIELD_ANY */
+
+enum v4l2_field
+{
+ V4L2_FIELD_ANY = 0, /* Driver can choose from none, */
+ 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 */
+ V4L2_FIELD_SEQ_BT = 6, /* Same as above + bottom-top order */
+ V4L2_FIELD_ALTERNATE = 7, /* Both fields alternating into */
+ V4L2_FIELD_INTERLACED_TB = 8, /* Both fields interlaced, top field */
+ V4L2_FIELD_INTERLACED_BT = 9, /* Both fields interlaced, top field */
+};
+
+/* Buffer mode */
+
+enum v4l2_buf_mode
+{
+ V4L2_BUF_MODE_RING = 0, /* Ring structure */
+ V4L2_BUF_MODE_FIFO = 1, /* FIFO structure */
+};
+
+struct v4l2_requestbuffers
+{
+ uint32_t count; /* The number of buffers requested.
+ * Supported maximum is
+ * is V4L2_REQBUFS_COUNT_MAX
+ */
+ uint32_t type; /* enum #v4l2_buf_type */
+ uint32_t memory; /* enum #v4l2_memory */
+ uint32_t mode; /* enum #v4l2_buf_mode */
+};
+
+typedef struct v4l2_requestbuffers v4l2_requestbuffers_t;
+
+struct v4l2_timecode
+{
+ uint32_t type;
+ uint32_t flags;
+ uint8_t frames;
+ uint8_t seconds;
+ uint8_t minutes;
+ uint8_t hours;
+ uint8_t userbits[4];
+};
+
+typedef struct v4l2_timecode v4l2_timecode_t;
+
+struct v4l2_plane
+{
+ uint32_t bytesused;
+ uint32_t length;
+ union
+ {
+ uint32_t mem_offset;
+ unsigned long userptr;
+ int fd;
+ } m;
+ uint32_t data_offset;
+ uint32_t reserved[11];
+};
+
+typedef struct v4l2_plane v4l2_plane_t;
+
+/* struct v4l2_buffer
+ * Parameter of ioctl(VIDIOC_QBUF) and ioctl(VIDIOC_DQBUF).
+ * Currently, support only index, type, bytesused, memory,
+ * m.userptr, and length.
+ */
+
+struct v4l2_buffer
+{
+ uint16_t index; /* Buffer id */
+ uint16_t type; /* enum #v4l2_buf_type */
+ uint32_t bytesused; /* Driver sets the image size */
+ uint16_t flags; /* Buffer flags. */
+ uint16_t field; /* The field order of the image */
+ struct timeval timestamp; /* Frame timestamp */
+ struct v4l2_timecode timecode; /* Frame timecode */
+ uint16_t sequence; /* Frame sequence number */
+ uint16_t memory; /* enum #v4l2_memory */
+ union
+ {
+ uint32_t offset;
+ unsigned long userptr; /* Address of buffer */
+ struct v4l2_plane *planes;
+ int fd;
+ } m;
+ uint32_t length; /* User set the buffer size */
+};
+
+typedef struct v4l2_buffer v4l2_buffer_t;
+
+/* Image is a keyframe (I-frame) */
+
+#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
+
+/* mem2mem encoder/decoder */
+
+#define V4L2_BUF_FLAG_LAST 0x00100000
+
+struct v4l2_fmtdesc
+{
+ uint16_t index; /* Format number */
+ uint16_t type; /* enum v4l2_buf_type */
+ uint32_t flags;
+ char description[V4L2_FMT_DSC_MAX]; /* Description string */
+ uint32_t pixelformat; /* Format fourcc */
+};
+
+enum v4l2_fmt_flag
+{
+ V4L2_FMT_FLAG_COMPRESSED = 0x0001, /* This is a compressed format */
+ V4L2_FMT_FLAG_EMULATED = 0x0002, /* This format is not native */
+};
+
+enum v4l2_frmsizetypes
+{
+ V4L2_FRMSIZE_TYPE_DISCRETE = 1, /* Discrete value */
+ V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, /* Continuous value */
+ V4L2_FRMSIZE_TYPE_STEPWISE = 3, /* Step value */
+};
+
+struct v4l2_frmsize_discrete
+{
+ uint16_t width; /* Frame width [pixel] */
+ uint16_t height; /* Frame height [pixel] */
+};
+
+struct v4l2_frmsize_stepwise
+{
+ uint16_t min_width; /* Minimum frame width [pixel] */
+ uint16_t max_width; /* Maximum frame width [pixel] */
+ uint16_t step_width; /* Frame width step size [pixel] */
+ uint16_t min_height; /* Minimum frame height [pixel] */
+ uint16_t max_height; /* Maximum frame height [pixel] */
+ uint16_t step_height; /* Frame height step size [pixel] */
+};
+
+struct v4l2_frmsizeenum
+{
+ uint32_t index; /* Frame size number */
+ uint32_t buf_type; /* enum #v4l2_buf_type */
+ uint32_t pixel_format; /* Pixel format */
+ uint32_t type; /* Frame size type the device supports. */
+
+ /* In type == V4L2_FRMSIZE_TYPE_DISCRETE case, use discrete.
+ * Otherwise, use stepwise.
+ */
+
+ union
+ {
+ struct v4l2_frmsize_discrete discrete;
+ struct v4l2_frmsize_stepwise stepwise;
+ };
+};
+
+/* Type of frame interval enumeration */
+
+enum v4l2_frmivaltypes
+{
+ V4L2_FRMIVAL_TYPE_DISCRETE = 1, /* Discrete value */
+ V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, /* Continuous value */
+ V4L2_FRMIVAL_TYPE_STEPWISE = 3, /* Step value */
+};
+
+/* Frame interval enumeration with stepwise format */
+
+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
+{
+ uint32_t index; /* Frame format index */
+ uint32_t buf_type; /* enum #v4l2_buf_type */
+ uint32_t pixel_format; /* Pixel format */
+ uint16_t width; /* Frame width */
+ uint16_t height; /* Frame height */
+ uint32_t type; /* Frame interval type */
+ union
+ { /* Frame interval */
+ struct v4l2_fract discrete;
+ struct v4l2_frmival_stepwise stepwise;
+ };
+};
+
+/* Single-planar format structure. */
+
+struct v4l2_pix_format
+{
+ uint16_t width; /* Image width in pixels */
+ uint16_t height; /* Image height in pixels */
+ uint32_t pixelformat; /* The pixel format or type of compression. */
+ uint32_t field; /* enum #v4l2_field */
+ uint32_t bytesperline; /* For padding, zero if unused */
+ uint32_t sizeimage; /* Size in bytes of the buffer to hold a complete image */
+ uint32_t colorspace; /* Image colorspace */
+ uint32_t priv; /* Private data, depends on pixelformat */
+ uint32_t flags; /* Format flags (V4L2_PIX_FMT_FLAG_*) */
+ union
+ {
+ uint32_t ycbcr_enc; /* enum v4l2_ycbcr_encoding */
+ uint32_t hsv_enc; /* enum v4l2_hsv_encoding */
+ };
+ uint32_t quantization; /* enum v4l2_quantization */
+ uint32_t xfer_func; /* enum v4l2_xfer_func */
+};
+
+typedef struct v4l2_pix_format v4l2_pix_format_t;
+
+/* 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
+{
+ uint32_t sizeimage;
+ uint32_t bytesperline;
+ uint16_t reserved[6];
+};
+
+/* struct v4l2_pix_format_mplane - multiplanar format definition
+ * @width: image width in pixels
+ * @height: image height in pixels
+ * @pixelformat: little endian four character code (fourcc)
+ * @field: enum v4l2_field; field order (for interlaced video)
+ * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
+ * @plane_fmt: per-plane information
+ * @num_planes: number of planes for this format
+ * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
+ * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
+ * @quantization: enum v4l2_quantization, colorspace quantization
+ * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
+ */
+
+struct v4l2_pix_format_mplane
+{
+ uint32_t width;
+ uint32_t height;
+ uint32_t pixelformat;
+ uint32_t field;
+ uint32_t colorspace;
+
+ struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
+ uint8_t num_planes;
+ uint8_t flags;
+ union
+ {
+ uint8_t ycbcr_enc;
+ uint8_t hsv_enc;
+ };
+ uint8_t quantization;
+ uint8_t xfer_func;
+ uint8_t reserved[7];
+};
+
+struct v4l2_format
+{
+ uint32_t type; /* enum #v4l2_buf_type. */
+ union
+ {
+ struct v4l2_pix_format pix; /* Image format */
+ struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
+ } fmt;
+};
+
+typedef struct v4l2_format v4l2_format_t;
+
+struct v4l2_captureparm
+{
+ uint32_t capability; /* Supported modes */
+ uint32_t capturemode; /* Current mode */
+ struct v4l2_fract timeperframe; /* Time per frame in seconds */
+ uint32_t extendedmode; /* Driver-specific extensions */
+ uint32_t readbuffers; /* # of buffers for read */
+};
+
+struct v4l2_cropcap
+{
+ uint32_t type; /* enum v4l2_buf_type */
+ struct v4l2_rect bounds;
+ struct v4l2_rect defrect;
+ struct v4l2_fract pixelaspect;
+};
+
+/* Flags for 'capability' and 'capturemode' fields */
+
+enum v4l2_capture_mode
+{
+ V4L2_MODE_HIGHQUALITY = 0x0001, /* High quality imaging mode */
+};
+
+enum v4l2_capture_capability
+{
+ V4L2_CAP_TIMEPERFRAME = 0x1000, /* timeperframe field is supported */
+};
+
+struct v4l2_streamparm
+{
+ uint32_t type; /* enum v4l2_buf_type */
+ union
+ {
+ struct v4l2_captureparm capture;
+ } parm;
+};
+
+/* E V E N T S */
+
+#define V4L2_EVENT_ALL 0
+#define V4L2_EVENT_VSYNC 1
+#define V4L2_EVENT_EOS 2
+#define V4L2_EVENT_CTRL 3
+#define V4L2_EVENT_FRAME_SYNC 4
+#define V4L2_EVENT_SOURCE_CHANGE 5
+#define V4L2_EVENT_MOTION_DET 6
+#define V4L2_EVENT_PRIVATE_START 0x08000000
+
+/* Payload for V4L2_EVENT_VSYNC */
+
+struct v4l2_event_vsync
+{
+ /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
+
+ uint8_t field;
+};
+
+/* 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
+{
+ uint32_t changes;
+ uint32_t type;
+ union
+ {
+ int32_t value;
+ int64_t value64;
+ };
+ uint32_t flags;
+ int32_t minimum;
+ int32_t maximum;
+ int32_t step;
+ int32_t default_value;
+};
+
+struct v4l2_event_frame_sync
+{
+ uint32_t frame_sequence;
+};
+
+#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
+
+struct v4l2_event_src_change
+{
+ uint32_t changes;
+};
+
+#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
+
+/* struct v4l2_event_motion_det - motion detection event
+ * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
+ * frame_sequence field is valid.
+ * @frame_sequence: the frame sequence number associated with this event.
+ * @region_mask: which regions detected motion.
+ */
+
+struct v4l2_event_motion_det
+{
+ uint32_t flags;
+ uint32_t frame_sequence;
+ uint32_t region_mask;
+};
+
+struct v4l2_event
+{
+ uint32_t type;
+ union
+ {
+ struct v4l2_event_vsync vsync;
+ struct v4l2_event_ctrl ctrl;
+ struct v4l2_event_frame_sync frame_sync;
+ struct v4l2_event_src_change src_change;
+ struct v4l2_event_motion_det motion_det;
+ uint8_t data[64];
+ } u;
+ uint32_t pending;
+ uint32_t sequence;
+ struct timespec timestamp;
+ uint32_t id;
+ uint32_t reserved[8];
+};
+
+#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
+#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
+
+struct v4l2_event_subscription
+{
+ uint32_t type;
+ uint32_t id;
+ uint32_t flags;
+ uint32_t reserved[5];
+};
+
+enum v4l2_ctrl_type
+{
+ V4L2_CTRL_TYPE_INTEGER = 1,
+ V4L2_CTRL_TYPE_BOOLEAN = 2,
+ V4L2_CTRL_TYPE_MENU = 3,
+ V4L2_CTRL_TYPE_BUTTON = 4,
+ V4L2_CTRL_TYPE_INTEGER64 = 5,
+ V4L2_CTRL_TYPE_CTRL_CLASS = 6,
+ V4L2_CTRL_TYPE_STRING = 7,
+ V4L2_CTRL_TYPE_BITMASK = 8,
+ V4L2_CTRL_TYPE_INTEGER_MENU = 9,
+ V4L2_CTRL_TYPE_U8FIXEDPOINT_Q7 = 10,
+ V4L2_CTRL_TYPE_U16FIXEDPOINT_Q8 = 11,
+ V4L2_CTRL_TYPE_INTEGER_TIMES_3 = 12,
+
+ /* Compound types are >= 0x0100 */
+
+ V4L2_CTRL_COMPOUND_TYPES = 0x0100,
+ V4L2_CTRL_TYPE_U8 = 0x0100,
+ V4L2_CTRL_TYPE_U16 = 0x0101,
+ V4L2_CTRL_TYPE_U32 = 0x0102,
+};
+
+struct v4l2_queryctrl
+{
+ uint16_t ctrl_class; /* Control class */
+ uint16_t id; /* Control id */
+ uint16_t type; /* enum #v4l2_ctrl_type */
+ char name[32]; /* Name of control */
+ int32_t minimum; /* Minimum value */
+ int32_t maximum; /* Maximum value */
+ uint32_t step; /* Step */
+ int32_t default_value; /* Default value */
+ uint32_t flags; /* Flag */};
+
+struct v4l2_query_ext_ctrl
+{
+ uint16_t ctrl_class; /* Control class */
+ uint16_t id; /* Control id */
+ uint16_t type; /* enum #v4l2_ctrl_type */
+ char name[32]; /* Name of control */
+ int64_t minimum; /* Minimum value */
+ int64_t maximum; /* Maximum value */
+ uint64_t step; /* Step */
+ int64_t default_value; /* Default value */
+ uint32_t flags; /* Flag */
+ uint32_t elem_size; /* Size of each element */
+ uint32_t elems; /* Number of elements */
+ uint32_t nr_of_dims; /* Number of dimensions */
+ uint32_t dims[V4L2_CTRL_MAX_DIMS]; /* Dimensions */
+};
+
+struct v4l2_querymenu
+{
+ uint16_t ctrl_class; /* Camera control class */
+ uint16_t id; /* Camera control id */
+ uint32_t index; /* Index of menu. */
+ union
+ {
+ char name[32]; /* Name of menu */
+ int64_t value; /* Value of menu */
+ };
+};
+
+struct v4l2_input
+{
+ uint32_t index; /* Which input */
+ uint8_t name[32]; /* Label */
+ uint32_t type; /* Type of input */
+ uint32_t audioset; /* Associated audios (bitfield) */
+ uint32_t tuner; /* enum v4l2_tuner_type */
+ v4l2_std_id std;
+ uint32_t status;
+ uint32_t capabilities;
+ uint32_t reserved[3];
+};
+
+/* Values for the 'type' field */
+
+enum v4l2_input_type
+{
+ V4L2_INPUT_TYPE_TUNER = 1,
+ V4L2_INPUT_TYPE_CAMERA = 2,
+ V4L2_INPUT_TYPE_TOUCH = 3,
+};
+
+enum v4l2_input_status
+{
+ /* Field 'status' - general */
+
+ V4L2_IN_ST_NO_POWER = 0x00000001, /* Attached device is off */
+ V4L2_IN_ST_NO_SIGNAL = 0x00000002,
+ V4L2_IN_ST_NO_COLOR = 0x00000004,
+
+ /* Field 'status' - sensor orientation */
+
+ /* If sensor is mounted upside down set both bits */
+
+ V4L2_IN_ST_HFLIP = 0x00000010, /* Frames are flipped horizontally */
+ V4L2_IN_ST_VFLIP = 0x00000020, /* Frames are flipped vertically */
+
+ /* Field 'status' - analog */
+
+ V4L2_IN_ST_NO_H_LOCK = 0x00000100, /* No horizontal sync lock */
+ V4L2_IN_ST_COLOR_KILL = 0x00000200, /* Color killer is active */
+ V4L2_IN_ST_NO_V_LOCK = 0x00000400, /* No vertical sync lock */
+ V4L2_IN_ST_NO_STD_LOCK = 0x00000800, /* No standard format lock */
+
+ /* Field 'status' - digital */
+
+ V4L2_IN_ST_NO_SYNC = 0x00010000, /* No synchronization lock */
+ V4L2_IN_ST_NO_EQU = 0x00020000, /* No equalizer lock */
+ V4L2_IN_ST_NO_CARRIER = 0x00040000, /* Carrier recovery failed */
+
+ /* Field 'status' - VCR and set-top box */
+
+ V4L2_IN_ST_MACROVISION = 0x01000000, /* Macrovision detected */
+ V4L2_IN_ST_NO_ACCESS = 0x02000000, /* Conditional access denied */
+ V4L2_IN_ST_VTR = 0x04000000, /* VTR time constant */
+};
+
+/* Capabilities flags */
+
+enum v4l2_input_capabilities
+{
+ V4L2_IN_CAP_DV_TIMINGS = 0x00000002, /* Supports S_DV_TIMINGS */
+ V4L2_IN_CAP_STD = 0x00000004, /* Supports S_STD */
+ V4L2_IN_CAP_NATIVE_SIZE = 0x00000008, /* Supports setting native size */
+};
+
+enum v4l2_input_capabilites_compat
+{
+ V4L2_IN_CAP_CUSTOM_TIMINGS = V4L2_IN_CAP_DV_TIMINGS, /* For compatibility */
+};
+
+struct v4l2_output
+{
+ uint32_t index; /* Which output */
+ uint8_t name[32]; /* Label */
+ uint32_t type; /* Type of output */
+ uint32_t audioset; /* Associated audios (bitfield) */
+ uint32_t modulator; /* Associated modulator */
+ v4l2_std_id std;
+ uint32_t capabilities;
+ uint32_t reserved[3];
+};
+
+/* Values for the 'type' field */
+
+enum v4l2_output_type
+{
+ V4L2_OUTPUT_TYPE_MODULATOR = 1,
+ V4L2_OUTPUT_TYPE_ANALOG = 2,
+ V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY = 3,
+};
+
+/* Capabilities flags */
+
+enum v4l2_output_capabilities
+{
+ V4L2_OUT_CAP_DV_TIMINGS = 0x00000002, /* Supports S_DV_TIMINGS */
+ V4L2_OUT_CAP_STD = 0x00000004, /* Supports S_STD */
+ V4L2_OUT_CAP_NATIVE_SIZE = 0x00000008, /* Supports setting native size */
+};
+
+enum v4l2_output_capabilites_compat
+{
+ V4L2_OUT_CAP_CUSTOM_TIMINGS = V4L2_OUT_CAP_DV_TIMINGS, /* For compatibility */
+};
+
+struct v4l2_control
+{
+ uint16_t id;
+ int32_t value;
+};
+
+/* Structure for each control of
+ * ioctl(VIDIOC_G_EXT_CTRLS / VIDIOC_S_EXT_CTRLS)
+ */
+
+struct v4l2_ext_control
+{
+ uint16_t id; /* Camera control id */
+ uint16_t size; /* Size of value(not use) */
+ union
+ {
+ int32_t value; /* QUERY_EXT_CTRL type = INTEGER, xxx */
+ int64_t value64; /* QUERY_EXT_CTRL type = INTEGER64, MENU */
+ char *string;
+ uint8_t *p_u8; /* QUERY_EXT_CTRL type = U8 */
+ uint16_t *p_u16; /* QUERY_EXT_CTRL type = U16 */
+ uint32_t *p_u32; /* QUERY_EXT_CTRL type = U32 */
+ void *ptr;
+ };
+};
+
+struct v4l2_ext_controls
+{
+ union
+ {
+ uint16_t ctrl_class; /* Camera control class */
+ uint16_t which;
+ };
+ uint16_t count; /* Number of requests */
+ uint16_t error_idx; /* Index in that error occurred */
+ struct v4l2_ext_control *controls; /* Each control information */
+};
+
+/* Structure for V4SIOC_S_EXT_CTRLS and V4SIOC_G_EXT_CTRLS */
+
+struct v4s_ext_controls_scene
+{
+ enum v4l2_scene_mode mode; /* Scene mode to be controled */
+ struct v4l2_ext_controls control; /* Same as VIDIOC_S_EXT_CTRLS */
+};
+
+/* Structure for V4SIOC_QUERY_EXT_CTRL */
+
+struct v4s_query_ext_ctrl_scene
+{
+ enum v4l2_scene_mode mode; /* Scene mode to be queried */
+ struct v4l2_query_ext_ctrl control; /* Same as VIDIOC_QUERY_EXT_CTRL */
+};
+
+/* Structure for V4SIOC_QUERYMENU */
+
+struct v4s_querymenu_scene
+{
+ enum v4l2_scene_mode mode; /* Scene mode to be queried */
+ struct v4l2_querymenu menu; /* Same as VIDIOC_QUERYMENU */
+};
+
+#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
+{
+ uint32_t cmd;
+ uint32_t flags;
+ union
+ {
+ struct
+ {
+ uint32_t 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)
+
+/* The structure must be zeroed before use by the application
+ * This ensures it can be extended safely in the future.
+ */
+
+struct v4l2_decoder_cmd
+{
+ uint32_t cmd;
+ uint32_t flags;
+ union
+ {
+ struct
+ {
+ uint64_t 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.
+ */
+
+ int32_t speed;
+ uint32_t format;
+ } start;
+
+ struct
+ {
+ uint32_t data[16];
+ } raw;
+ };
+};
+
+/* Query device capability
+ * Address pointing to struct v4l2_capability
+ */
+
+#define VIDIOC_QUERYCAP _VIDIOC(0x0000)
+
+/* Enumerate the formats supported by device */
+
+#define VIDIOC_ENUM_FMT _VIDIOC(0x0002)
+
+/* Get the data format */
+
+#define VIDIOC_G_FMT _VIDIOC(0x0004)
+
+/* Set the data format */
+
+#define VIDIOC_S_FMT _VIDIOC(0x0005)
+
+/* Initiate user pointer I/O */
+
+#define VIDIOC_REQBUFS _VIDIOC(0x0008)
+
+/* Query the status of a buffer */
+
+#define VIDIOC_QUERYBUF _VIDIOC(0x0009)
+
+/* Get frame buffer overlay parameters */
+
+#define VIDIOC_G_FBUF _VIDIOC(0x000a)
+
+/* Set frame buffer overlay parameters */
+
+#define VIDIOC_S_FBUF _VIDIOC(0x000b)
+
+/* Start or stop video overlay */
+
+#define VIDIOC_OVERLAY _VIDIOC(0x000e)
+
+/* Enqueue an empty buffer */
+
+#define VIDIOC_QBUF _VIDIOC(0x000f)
+
+/* Export a buffer as a DMABUF file descriptor */
+
+#define VIDIOC_EXPBUF _VIDIOC(0x0010)
+
+/* Dequeue a filled buffer */
+
+#define VIDIOC_DQBUF _VIDIOC(0x0011)
+
+/* Start streaming */
+
+#define VIDIOC_STREAMON _VIDIOC(0x0012)
+
+/* Stop streaming */
+
+#define VIDIOC_STREAMOFF _VIDIOC(0x0013)
+
+/* Get streaming parameters */
+
+#define VIDIOC_G_PARM _VIDIOC(0x0015)
+
+/* Set streaming parameters */
+
+#define VIDIOC_S_PARM _VIDIOC(0x0016)
+
+/* Query the video standard of the current input */
+
+#define VIDIOC_G_STD _VIDIOC(0x0017)
+
+/* Select the video standard of the current input */
+
+#define VIDIOC_S_STD _VIDIOC(0x0018)
+
+/* Enumerate supported video standards */
+
+#define VIDIOC_ENUMSTD _VIDIOC(0x0019)
+
+/* Enumerate video inputs */
+
+#define VIDIOC_ENUMINPUT _VIDIOC(0x001a)
+
+/* Get current control value.
+ * This request is a special case of VIDIOC_G_EXT_CTRLS.
+ * Address pointing to struct #v4l2_control
+ */
+
+#define VIDIOC_G_CTRL _VIDIOC(0x001b)
+
+/* Set control value.
+ * This request is a special case of VIDIOC_S_EXT_CTRLS.
+ * Address pointing to struct #v4l2_control
+ */
+
+#define VIDIOC_S_CTRL _VIDIOC(0x001c)
+
+/* Query control */
+
+#define VIDIOC_QUERYCTRL _VIDIOC(0x0024)
+
+/* Query menu */
+
+#define VIDIOC_QUERYMENU _VIDIOC(0x0025)
+
+/* Get video input */
+
+#define VIDIOC_G_INPUT _VIDIOC(0x0026)
+
+/* Set video input */
+
+#define VIDIOC_S_INPUT _VIDIOC(0x0027)
+
+/* Set video crop and scale */
+
+#define VIDIOC_CROPCAP _VIDIOC(0x003a)
+
+/* Query video standard */
+
+#define VIDIOC_QUERYSTD _VIDIOC(0x003f)
+
+/* Try format */
+
+#define VIDIOC_TRY_FMT _VIDIOC(0x0040)
+
+/* Get current control value
+ * Address pointing to struct #v4l2_ext_controls
+ */
+
+#define VIDIOC_G_EXT_CTRLS _VIDIOC(0x0047)
+
+/* Set control value
+ * Address pointing to struct #v4l2_ext_controls
+ */
+
+#define VIDIOC_S_EXT_CTRLS _VIDIOC(0x0048)
+
+/* Try control value
+ * Address pointing to struct #v4l2_ext_controls
+ */
+
+#define VIDIOC_TRY_EXT_CTRLS _VIDIOC(0x0049)
+
+/* Enumerate the framesizes supported by device */
+
+#define VIDIOC_ENUM_FRAMESIZES _VIDIOC(0x004a)
+
+/* Enumerate the frameintervals supported by device */
+
+#define VIDIOC_ENUM_FRAMEINTERVALS _VIDIOC(0x004b)
+
+/* Execute an encoder command */
+
+#define VIDIOC_ENCODER_CMD _VIDIOC(0x004d)
+
+/* Dequeue event */
+
+#define VIDIOC_DQEVENT _VIDIOC(0x0059)
+
+/* Subscribe or unsubscribe event */
+
+#define VIDIOC_SUBSCRIBE_EVENT _VIDIOC(0x005a)
+
+/* Get clip
+ * Address pointing to struct v4l2_selection
+ */
+
+#define VIDIOC_G_SELECTION _VIDIOC(0x005e)
+
+/* Set clip
+ * Address pointing to struct v4l2_selection
+ */
+
+#define VIDIOC_S_SELECTION _VIDIOC(0x005f)
+
+/* Execute an decoder command */
+
+#define VIDIOC_DECODER_CMD _VIDIOC(0x0060)
+
+/* Query control */
+
+#define VIDIOC_QUERY_EXT_CTRL _VIDIOC(0x00c0)
+
+/* Cancel DQBUF
+ * enum #v4l2_buf_type
+ */
+
+#define VIDIOC_CANCEL_DQBUF _VIDIOC(0x00c1)
+
+/* Do halfpush */
+
+#define VIDIOC_DO_HALFPUSH _VIDIOC(0x00c2)
+
+/* Start taking picture
+ *
+ * Type is int32_t, not address pointer.\n
+ * 0 or negative value means continuing until VIDIOC_TAKEPICT_STOP. \n
+ * Positive value(to be supported) means continuing
+ * up to a specified number of times or until VIDIOC_TAKEPICT_STOP.
+ */
+
+#define VIDIOC_TAKEPICT_START _VIDIOC(0x00c3)
+
+/* Stop taking picture */
+
+#define VIDIOC_TAKEPICT_STOP _VIDIOC(0x00c4)
+
+/* Query control for scene parameter
+ * Address pointing to struct v4s_query_ext_ctrl_scene
+ */
+
+#define V4SIOC_QUERY_EXT_CTRL_SCENE _VIDIOC(0x00c5)
+
+/* Query menu for scene parameter
+ * Address pointing to struct v4s_querymenu_scene
+ */
+
+#define V4SIOC_QUERYMENU_SCENE _VIDIOC(0x00c6)
+
+/* Get current control value
+ * Address pointing to struct v4s_ext_controls_scene
+ */
+
+#define V4SIOC_G_EXT_CTRLS_SCENE _VIDIOC(0x00c7)
+
+/* Set control value
+ * Address pointing to struct v4s_ext_controls_scene
+ */
+
+#define V4SIOC_S_EXT_CTRLS_SCENE _VIDIOC(0x00c8)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_SYS_VIDEOIO_H */