f6a5cb1be8
This patch adds the VIDIOC_SUBDEV_S_CROP and G_CROP ioctls to the userland API. CROPCAP is not implemented because it's redundant. Signed-off-by: Antti Koskipaa <akoskipa@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*
|
|
* V4L2 subdev userspace API
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
*
|
|
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
* Sakari Ailus <sakari.ailus@iki.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __LINUX_V4L2_SUBDEV_H
|
|
#define __LINUX_V4L2_SUBDEV_H
|
|
|
|
#include <linux/ioctl.h>
|
|
#include <linux/types.h>
|
|
#include <linux/v4l2-mediabus.h>
|
|
|
|
/**
|
|
* enum v4l2_subdev_format_whence - Media bus format type
|
|
* @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only
|
|
* @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device
|
|
*/
|
|
enum v4l2_subdev_format_whence {
|
|
V4L2_SUBDEV_FORMAT_TRY = 0,
|
|
V4L2_SUBDEV_FORMAT_ACTIVE = 1,
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_format - Pad-level media bus format
|
|
* @which: format type (from enum v4l2_subdev_format_whence)
|
|
* @pad: pad number, as reported by the media API
|
|
* @format: media bus format (format code and frame size)
|
|
*/
|
|
struct v4l2_subdev_format {
|
|
__u32 which;
|
|
__u32 pad;
|
|
struct v4l2_mbus_framefmt format;
|
|
__u32 reserved[8];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_crop - Pad-level crop settings
|
|
* @which: format type (from enum v4l2_subdev_format_whence)
|
|
* @pad: pad number, as reported by the media API
|
|
* @rect: pad crop rectangle boundaries
|
|
*/
|
|
struct v4l2_subdev_crop {
|
|
__u32 which;
|
|
__u32 pad;
|
|
struct v4l2_rect rect;
|
|
__u32 reserved[8];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_mbus_code_enum - Media bus format enumeration
|
|
* @pad: pad number, as reported by the media API
|
|
* @index: format index during enumeration
|
|
* @code: format code (from enum v4l2_mbus_pixelcode)
|
|
*/
|
|
struct v4l2_subdev_mbus_code_enum {
|
|
__u32 pad;
|
|
__u32 index;
|
|
__u32 code;
|
|
__u32 reserved[9];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_frame_size_enum - Media bus format enumeration
|
|
* @pad: pad number, as reported by the media API
|
|
* @index: format index during enumeration
|
|
* @code: format code (from enum v4l2_mbus_pixelcode)
|
|
*/
|
|
struct v4l2_subdev_frame_size_enum {
|
|
__u32 index;
|
|
__u32 pad;
|
|
__u32 code;
|
|
__u32 min_width;
|
|
__u32 max_width;
|
|
__u32 min_height;
|
|
__u32 max_height;
|
|
__u32 reserved[9];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_frame_interval - Pad-level frame rate
|
|
* @pad: pad number, as reported by the media API
|
|
* @interval: frame interval in seconds
|
|
*/
|
|
struct v4l2_subdev_frame_interval {
|
|
__u32 pad;
|
|
struct v4l2_fract interval;
|
|
__u32 reserved[9];
|
|
};
|
|
|
|
/**
|
|
* struct v4l2_subdev_frame_interval_enum - Frame interval enumeration
|
|
* @pad: pad number, as reported by the media API
|
|
* @index: frame interval index during enumeration
|
|
* @code: format code (from enum v4l2_mbus_pixelcode)
|
|
* @width: frame width in pixels
|
|
* @height: frame height in pixels
|
|
* @interval: frame interval in seconds
|
|
*/
|
|
struct v4l2_subdev_frame_interval_enum {
|
|
__u32 index;
|
|
__u32 pad;
|
|
__u32 code;
|
|
__u32 width;
|
|
__u32 height;
|
|
struct v4l2_fract interval;
|
|
__u32 reserved[9];
|
|
};
|
|
|
|
#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format)
|
|
#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format)
|
|
#define VIDIOC_SUBDEV_G_FRAME_INTERVAL \
|
|
_IOWR('V', 21, struct v4l2_subdev_frame_interval)
|
|
#define VIDIOC_SUBDEV_S_FRAME_INTERVAL \
|
|
_IOWR('V', 22, struct v4l2_subdev_frame_interval)
|
|
#define VIDIOC_SUBDEV_ENUM_MBUS_CODE \
|
|
_IOWR('V', 2, struct v4l2_subdev_mbus_code_enum)
|
|
#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE \
|
|
_IOWR('V', 74, struct v4l2_subdev_frame_size_enum)
|
|
#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL \
|
|
_IOWR('V', 75, struct v4l2_subdev_frame_interval_enum)
|
|
#define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop)
|
|
#define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop)
|
|
|
|
#endif
|