899f2c5e62
- control: add `device_option_is_equal` - libcamera: provide human readable configurable options - v4l2: include camera control values - libcamera: store all applied controls - libcamera: use `device_option_is_equal`
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
#pragma once
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#include <time.h>
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#include <linux/videodev2.h>
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#include <linux/v4l2-subdev.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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typedef struct buffer_s buffer_t;
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typedef struct buffer_list_s buffer_list_t;
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typedef struct device_option_s device_option_t;
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typedef struct device_s device_t;
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struct pollfd;
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typedef int device_option_fn(device_option_t *option, void *opaque);
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typedef struct device_v4l2_control_s {
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int fd;
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struct v4l2_query_ext_ctrl control;
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} device_v4l2_control_t;
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typedef struct device_v4l2_s {
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int dev_fd;
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int subdev_fd;
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device_v4l2_control_t *controls;
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int ncontrols;
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} device_v4l2_t;
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typedef struct buffer_list_v4l2_s {
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int dev_fd;
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bool do_mplanes;
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int type;
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} buffer_list_v4l2_t;
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typedef struct buffer_v4l2_s {
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unsigned flags;
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} buffer_v4l2_t;
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int v4l2_device_open(device_t *dev);
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void v4l2_device_close(device_t *dev);
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int v4l2_device_video_force_key(device_t *dev);
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void v4l2_device_dump_options(device_t *dev, FILE *stream);
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int v4l2_device_dump_options2(device_t *dev, device_option_fn fn, void *opaque);
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int v4l2_device_set_fps(device_t *dev, int desired_fps);
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int v4l2_device_set_option(device_t *dev, const char *key, const char *value);
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int v4l2_buffer_open(buffer_t *buf);
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void v4l2_buffer_close(buffer_t *buf);
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int v4l2_buffer_enqueue(buffer_t *buf, const char *who);
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int v4l2_buffer_list_dequeue(buffer_list_t *buf_list, buffer_t **bufp);
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int v4l2_buffer_list_refresh_states(buffer_list_t *buf_list);
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int v4l2_buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_dequeue);
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int v4l2_buffer_list_open(buffer_list_t *buf_list);
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void v4l2_buffer_list_close(buffer_list_t *buf_list);
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int v4l2_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);
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int v4l2_device_open_media_device(device_t *dev);
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int v4l2_device_open_v4l2_subdev(device_t *dev, int subdev);
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int v4l2_device_set_pad_format(device_t *dev, unsigned width, unsigned height, unsigned format);
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void v4l2_device_query_controls(device_t *dev, int fd);
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