FM / media

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/media/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/media

Name	Size	Mode	Actions
davinci/	-	0755	rm
drv-intf/	-	0755	rm
i2c/	-	0755	rm
tpg/	-	0755	rm
cec-notifier.h	6678	0644	edit dl rm
cec-pin.h	2947	0644	edit dl rm
cec.h	18397	0644	edit dl rm
demux.h	23237	0644	edit dl rm
dmxdev.h	6034	0644	edit dl rm
dvb-usb-ids.h	18204	0644	edit dl rm
dvbdev.h	15089	0644	edit dl rm
dvb_ca_en50221.h	4455	0644	edit dl rm
dvb_demux.h	11033	0644	edit dl rm
dvb_frontend.h	29701	0644	edit dl rm
dvb_math.h	1811	0644	edit dl rm
dvb_net.h	2583	0644	edit dl rm
dvb_ringbuffer.h	8524	0644	edit dl rm
dvb_vb2.h	7838	0644	edit dl rm
frame_vector.h	1447	0644	edit dl rm
imx.h	396	0644	edit dl rm
media-device.h	16113	0644	edit dl rm
media-devnode.h	5814	0644	edit dl rm
media-entity.h	35421	0644	edit dl rm
rc-core.h	13211	0644	edit dl rm
rc-map.h	12806	0644	edit dl rm
rcar-fcp.h	1342	0644	edit dl rm
soc_camera.h	13300	0644	edit dl rm
tuner-types.h	7723	0644	edit dl rm
tuner.h	9059	0644	edit dl rm
tveeprom.h	3370	0644	edit dl rm
v4l2-async.h	7649	0644	edit dl rm
v4l2-clk.h	2144	0644	edit dl rm
v4l2-common.h	16538	0644	edit dl rm
v4l2-ctrls.h	39942	0644	edit dl rm
v4l2-dev.h	16109	0644	edit dl rm
v4l2-device.h	18127	0644	edit dl rm
v4l2-dv-timings.h	8887	0644	edit dl rm
v4l2-event.h	6277	0644	edit dl rm
v4l2-fh.h	4759	0644	edit dl rm
v4l2-flash-led-class.h	6034	0644	edit dl rm
v4l2-fwnode.h	14184	0644	edit dl rm
v4l2-image-sizes.h	864	0644	edit dl rm
v4l2-ioctl.h	32669	0644	edit dl rm
v4l2-mc.h	8213	0644	edit dl rm
v4l2-mediabus.h	6234	0644	edit dl rm
v4l2-mem2mem.h	20186	0644	edit dl rm
v4l2-rect.h	4650	0644	edit dl rm
v4l2-subdev.h	41579	0644	edit dl rm
videobuf-core.h	7148	0644	edit dl rm
videobuf-dma-contig.h	1062	0644	edit dl rm
videobuf-dma-sg.h	3009	0644	edit dl rm
videobuf-vmalloc.h	1319	0644	edit dl rm
videobuf2-core.h	45110	0644	edit dl rm
videobuf2-dma-contig.h	866	0644	edit dl rm
videobuf2-dma-sg.h	696	0644	edit dl rm
videobuf2-dvb.h	1863	0644	edit dl rm
videobuf2-memops.h	1101	0644	edit dl rm
videobuf2-v4l2.h	10719	0644	edit dl rm
videobuf2-vmalloc.h	509	0644	edit dl rm
vsp1.h	3288	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/media/v4l2-rect.h (4650B)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * v4l2-rect.h - v4l2_rect helper functions
 *
 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 */

#ifndef _V4L2_RECT_H_
#define _V4L2_RECT_H_

#include <linux/videodev2.h>

/**
 * v4l2_rect_set_size_to() - copy the width/height values.
 * @r: rect whose width and height fields will be set
 * @size: rect containing the width and height fields you need.
 */
static inline void v4l2_rect_set_size_to(struct v4l2_rect *r,
					 const struct v4l2_rect *size)
{
	r->width = size->width;
	r->height = size->height;
}

/**
 * v4l2_rect_set_min_size() - width and height of r should be >= min_size.
 * @r: rect whose width and height will be modified
 * @min_size: rect containing the minimal width and height
 */
static inline void v4l2_rect_set_min_size(struct v4l2_rect *r,
					  const struct v4l2_rect *min_size)
{
	if (r->width < min_size->width)
		r->width = min_size->width;
	if (r->height < min_size->height)
		r->height = min_size->height;
}

/**
 * v4l2_rect_set_max_size() - width and height of r should be <= max_size
 * @r: rect whose width and height will be modified
 * @max_size: rect containing the maximum width and height
 */
static inline void v4l2_rect_set_max_size(struct v4l2_rect *r,
					  const struct v4l2_rect *max_size)
{
	if (r->width > max_size->width)
		r->width = max_size->width;
	if (r->height > max_size->height)
		r->height = max_size->height;
}

/**
 * v4l2_rect_map_inside()- r should be inside boundary.
 * @r: rect that will be modified
 * @boundary: rect containing the boundary for @r
 */
static inline void v4l2_rect_map_inside(struct v4l2_rect *r,
					const struct v4l2_rect *boundary)
{
	v4l2_rect_set_max_size(r, boundary);
	if (r->left < boundary->left)
		r->left = boundary->left;
	if (r->top < boundary->top)
		r->top = boundary->top;
	if (r->left + r->width > boundary->width)
		r->left = boundary->width - r->width;
	if (r->top + r->height > boundary->height)
		r->top = boundary->height - r->height;
}

/**
 * v4l2_rect_same_size() - return true if r1 has the same size as r2
 * @r1: rectangle.
 * @r2: rectangle.
 *
 * Return true if both rectangles have the same size.
 */
static inline bool v4l2_rect_same_size(const struct v4l2_rect *r1,
				       const struct v4l2_rect *r2)
{
	return r1->width == r2->width && r1->height == r2->height;
}

/**
 * v4l2_rect_intersect() - calculate the intersection of two rects.
 * @r: intersection of @r1 and @r2.
 * @r1: rectangle.
 * @r2: rectangle.
 */
static inline void v4l2_rect_intersect(struct v4l2_rect *r,
				       const struct v4l2_rect *r1,
				       const struct v4l2_rect *r2)
{
	int right, bottom;

r->top = max(r1->top, r2->top);
	r->left = max(r1->left, r2->left);
	bottom = min(r1->top + r1->height, r2->top + r2->height);
	right = min(r1->left + r1->width, r2->left + r2->width);
	r->height = max(0, bottom - r->top);
	r->width = max(0, right - r->left);
}

/**
 * v4l2_rect_scale() - scale rect r by to/from
 * @r: rect to be scaled.
 * @from: from rectangle.
 * @to: to rectangle.
 *
 * This scales rectangle @r horizontally by @to->width / @from->width and
 * vertically by @to->height / @from->height.
 *
 * Typically @r is a rectangle inside @from and you want the rectangle as
 * it would appear after scaling @from to @to. So the resulting @r will
 * be the scaled rectangle inside @to.
 */
static inline void v4l2_rect_scale(struct v4l2_rect *r,
				   const struct v4l2_rect *from,
				   const struct v4l2_rect *to)
{
	if (from->width == 0 || from->height == 0) {
		r->left = r->top = r->width = r->height = 0;
		return;
	}
	r->left = (((r->left - from->left) * to->width) / from->width) & ~1;
	r->width = ((r->width * to->width) / from->width) & ~1;
	r->top = ((r->top - from->top) * to->height) / from->height;
	r->height = (r->height * to->height) / from->height;
}

/**
 * v4l2_rect_overlap() - do r1 and r2 overlap?
 * @r1: rectangle.
 * @r2: rectangle.
 *
 * Returns true if @r1 and @r2 overlap.
 */
static inline bool v4l2_rect_overlap(const struct v4l2_rect *r1,
				     const struct v4l2_rect *r2)
{
	/*
	 * IF the left side of r1 is to the right of the right side of r2 OR
	 *    the left side of r2 is to the right of the right side of r1 THEN
	 * they do not overlap.
	 */
	if (r1->left >= r2->left + r2->width ||
	    r2->left >= r1->left + r1->width)
		return false;
	/*
	 * IF the top side of r1 is below the bottom of r2 OR
	 *    the top side of r2 is below the bottom of r1 THEN
	 * they do not overlap.
	 */
	if (r1->top >= r2->top + r2->height ||
	    r2->top >= r1->top + r1->height)
		return false;
	return true;
}

#endif

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