78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
#pragma once
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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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typedef enum {
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MP_PIXEL_FMT_UNSUPPORTED,
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MP_PIXEL_FMT_BGGR8,
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MP_PIXEL_FMT_GBRG8,
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MP_PIXEL_FMT_GRBG8,
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MP_PIXEL_FMT_RGGB8,
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MP_PIXEL_FMT_BGGR10P,
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MP_PIXEL_FMT_GBRG10P,
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MP_PIXEL_FMT_GRBG10P,
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MP_PIXEL_FMT_RGGB10P,
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MP_PIXEL_FMT_UYVY,
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MP_PIXEL_FMT_YUYV,
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MP_PIXEL_FMT_MAX,
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} MPPixelFormat;
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MPPixelFormat mp_pixel_format_from_str(const char *str);
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const char *mp_pixel_format_to_str(MPPixelFormat pixel_format);
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MPPixelFormat mp_pixel_format_from_v4l_pixel_format(uint32_t v4l_pixel_format);
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MPPixelFormat mp_pixel_format_from_v4l_bus_code(uint32_t v4l_bus_code);
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uint32_t mp_pixel_format_to_v4l_pixel_format(MPPixelFormat pixel_format);
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uint32_t mp_pixel_format_to_v4l_bus_code(MPPixelFormat pixel_format);
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uint32_t mp_pixel_format_bits_per_pixel(MPPixelFormat pixel_format);
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uint32_t mp_pixel_format_width_to_bytes(MPPixelFormat pixel_format, uint32_t width);
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uint32_t mp_pixel_format_width_to_colors(MPPixelFormat pixel_format, uint32_t width);
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uint32_t mp_pixel_format_height_to_colors(MPPixelFormat pixel_format, uint32_t height);
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typedef struct {
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MPPixelFormat pixel_format;
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struct v4l2_fract frame_interval;
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uint32_t width;
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uint32_t height;
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} MPCameraMode;
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bool mp_camera_mode_is_equivalent(const MPCameraMode *m1, const MPCameraMode *m2);
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typedef struct {
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uint32_t pixel_format;
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uint32_t width;
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uint32_t height;
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uint8_t *data;
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} MPImage;
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typedef struct _MPCamera MPCamera;
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MPCamera *mp_camera_new(int video_fd, int subdev_fd);
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void mp_camera_free(MPCamera *camera);
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bool mp_camera_is_subdev(MPCamera *camera);
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int mp_camera_get_video_fd(MPCamera *camera);
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int mp_camera_get_subdev_fd(MPCamera *camera);
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const MPCameraMode *mp_camera_get_mode(const MPCamera *camera);
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bool mp_camera_try_mode(MPCamera *camera, MPCameraMode *mode);
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bool mp_camera_set_mode(MPCamera *camera, MPCameraMode *mode);
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bool mp_camera_start_capture(MPCamera *camera);
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bool mp_camera_stop_capture(MPCamera *camera);
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bool mp_camera_is_capturing(MPCamera *camera);
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bool mp_camera_capture_image(MPCamera *camera, void (*callback)(MPImage, void *), void *user_data);
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typedef struct _MPCameraModeList MPCameraModeList;
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MPCameraModeList *mp_camera_list_supported_modes(MPCamera *camera);
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MPCameraModeList *mp_camera_list_available_modes(MPCamera *camera);
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MPCameraMode *mp_camera_mode_list_get(MPCameraModeList *list);
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MPCameraModeList *mp_camera_mode_list_next(MPCameraModeList *list);
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void mp_camera_mode_list_free(MPCameraModeList *list);
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