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/*
* Copyright (c) 2026 Abdelkader Boudih <freebsd@seuros.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef _DEV_VIDEO_VIDEO_H_
#define _DEV_VIDEO_VIDEO_H_
#include <sys/types.h>
#include <sys/bus.h>
struct video_device;
struct video_buf;
struct video_format {
uint32_t pixelformat; /* V4L2 fourcc */
uint32_t width;
uint32_t height;
uint32_t bytesperline;
uint32_t sizeimage;
uint32_t field;
uint32_t colorspace;
uint32_t xfer_func;
uint32_t ycbcr_enc;
uint32_t flags; /* V4L2_FMT_FLAG_* */
char description[32];
};
struct video_fract {
uint32_t numerator;
uint32_t denominator;
};
struct video_caps {
char driver[16];
char card[32];
char bus_info[32];
uint32_t version;
uint32_t capabilities;
};
#define VIDEO_CAP_CAPTURE 0x00000001 /* V4L2_CAP_VIDEO_CAPTURE */
#define VIDEO_CAP_READWRITE 0x01000000 /* V4L2_CAP_READWRITE */
#define VIDEO_CAP_STREAMING 0x04000000 /* V4L2_CAP_STREAMING */
struct video_input {
uint32_t index;
char name[32];
uint32_t type;
};
#define VIDEO_INPUT_TYPE_CAMERA 2
struct video_control_desc {
uint32_t id;
uint32_t type;
char name[32];
int32_t minimum;
int32_t maximum;
int32_t step;
int32_t default_value;
uint32_t flags;
};
struct video_control {
uint32_t id;
int32_t value;
};
struct video_frmsizeenum {
uint32_t index;
uint32_t pixelformat;
uint32_t type;
union {
struct {
uint32_t width;
uint32_t height;
} discrete;
struct {
uint32_t min_width;
uint32_t max_width;
uint32_t step_width;
uint32_t min_height;
uint32_t max_height;
uint32_t step_height;
} stepwise;
};
};
struct video_frmivalenum {
uint32_t index;
uint32_t pixelformat;
uint32_t width;
uint32_t height;
uint32_t type;
union {
struct video_fract discrete;
struct {
struct video_fract min;
struct video_fract max;
struct video_fract step;
} stepwise;
};
};
int video_register(device_t dev, struct video_device **vdp);
void video_unregister(struct video_device *vd);
struct video_buf *video_buf_acquire(struct video_device *vd);
int video_buf_write(struct video_buf *vb,
size_t offset, const void *src, size_t len);
void video_buf_done(struct video_buf *vb,
size_t bytesused, uint32_t sequence);
void video_buf_error(struct video_buf *vb);
#endif /* _DEV_VIDEO_VIDEO_H_ */
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