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- /*
- * Copyright (C) 2021 Alibaba Group Holding Limited
- * Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
- *
- * 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 <stdio.h>
- #include <csi_camera.h>
- #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__ */
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