/* * Copyright (C) 2021 Alibaba Group Holding Limited * Author: LuChongzhi * * 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. */ #ifndef __CAMERA_MANAGER_H__ #define __CAMERA_MANAGER_H__ #include #include #ifdef __cplusplus extern "C" { #endif typedef enum manage_target { MANAGE_TARGET_INVALID = -1, MANAGE_TARGET_CAMERA = 0, MANAGE_TARGET_CHANNEL, } manage_target_e; typedef enum camera_state { CAMERA_STATE_CLOSED = (1 << 0), CAMERA_STATE_OPENED = (1 << 1), CAMERA_STATE_MODE_SET = (1 << 2), CAMERA_STATE_RUNNING = (1 << 3), } camera_state_e; typedef enum camera_action { CAMERA_ACTION_NONE = 0, CAMERA_ACTION_LOG_PRINT = (1 << 0), CAMERA_ACTION_CAPTURE_FRAME = (1 << 1), CAMERA_ACTION_MAX_COUNT = 2, } camera_action_e; typedef struct camera_event_action { csi_camera_event_id_e event; bool supported; bool subscribed; camera_action_e action; } camera_event_action_t; typedef enum camera_channel_action { CAMERA_CHANNEL_ACTION_NONE = 0, CAMERA_CHANNEL_ACTION_LOG_PRINT = (1 << 0), CAMERA_CHANNEL_ACTION_CAPTURE_FRAME = (1 << 1), CAMERA_CHANNEL_ACTION_DISPLAY_FRAME = (1 << 2), CAMERA_CHANNEL_ACTION_MAX_COUNT = 3, } camera_channel_action_e; typedef struct camera_channel_event_action { csi_camera_channel_event_id_e event; bool supported; bool subscribed; camera_channel_action_e action; } camera_channel_event_action_t; typedef struct camera_event_action_union { manage_target_e target; int camera_id; int channel_id; union { camera_event_action_t camera; camera_channel_event_action_t channel; }; } camera_event_action_union_t; struct camera_session; typedef int (*camera_action_fun_t)(struct camera_session *, csi_camera_event_s *); typedef struct camera_session { camera_state_e state; /* camera current state */ uint32_t info_status; /* bitmask of camera_info_status_e */ int camera_id; /* from csi_camera_infos_s.info[id] */ csi_cam_handle_t camera_handle; /* from csi_camera_open() */ csi_camera_infos_s camera_infos; /* from csi_camera_query_list() */ csi_camera_modes_s camera_modes; /* from csi_camera_get_modes() */ int camera_mode_id; /* from csi_camera_modes_s.modes[].mode_id */ csi_camera_channel_cfg_s chn_cfg[CSI_CAMERA_CHANNEL_MAX_COUNT]; csi_camera_channel_cfg_s chn_cfg_tmp; /* store temp params when configuring */ csi_cam_event_handle_t event_handle; camera_event_action_union_t camera_event_action[CSI_CAMERA_EVENT_MAX_COUNT]; camera_event_action_union_t channel_event_action[CSI_CAMERA_CHANNEL_MAX_COUNT][CSI_CAMERA_CHANNEL_EVENT_MAX_COUNT]; camera_action_fun_t camera_action_fun; camera_action_fun_t channel_action_fun; pthread_t event_action_thread_id; } cams_t; int camera_create_session(cams_t **session); int camera_destory_session(cams_t **session); int camera_query_list(cams_t *session); int camera_get_caps(cams_t *session); int camera_open(cams_t *session, const char *dev_name); int camera_close(cams_t *session); int camera_get_modes(cams_t *session); int camera_set_mode(cams_t *session, int mode_id); int camera_query_property(cams_t *session, csi_camera_property_description_s *description); int camera_set_property(cams_t *session, csi_camera_properties_s *properties); int camera_channel_query_list(cams_t *session); int camera_channel_open(cams_t *session, csi_camera_channel_cfg_s *chn_cfg); int camera_channel_close(cams_t *session, csi_camera_channel_id_e chn_id); int camera_register_event_action(cams_t *session, camera_action_fun_t camera_action_fun, camera_action_fun_t channel_action_fun); int camera_subscribe_event(cams_t *session); int camera_channel_start(cams_t *session, csi_camera_channel_id_e chn_id); int camera_channel_stop(cams_t *session, csi_camera_channel_id_e chn_id); #ifdef __cplusplus } #endif #endif /* __CAMERA_MANAGER_H__ */