camera_manager.h 4.0 KB

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  1. /*
  2. * Copyright (C) 2021 Alibaba Group Holding Limited
  3. * Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License version 2 as
  7. * published by the Free Software Foundation.
  8. */
  9. #ifndef __CAMERA_MANAGER_H__
  10. #define __CAMERA_MANAGER_H__
  11. #include <stdio.h>
  12. #include <csi_camera.h>
  13. #ifdef __cplusplus
  14. extern "C" {
  15. #endif
  16. typedef enum manage_target {
  17. MANAGE_TARGET_INVALID = -1,
  18. MANAGE_TARGET_CAMERA = 0,
  19. MANAGE_TARGET_CHANNEL,
  20. } manage_target_e;
  21. typedef enum camera_state {
  22. CAMERA_STATE_CLOSED = (1 << 0),
  23. CAMERA_STATE_OPENED = (1 << 1),
  24. CAMERA_STATE_MODE_SET = (1 << 2),
  25. CAMERA_STATE_RUNNING = (1 << 3),
  26. } camera_state_e;
  27. typedef enum camera_action {
  28. CAMERA_ACTION_NONE = 0,
  29. CAMERA_ACTION_LOG_PRINT = (1 << 0),
  30. CAMERA_ACTION_CAPTURE_FRAME = (1 << 1),
  31. CAMERA_ACTION_MAX_COUNT = 2,
  32. } camera_action_e;
  33. typedef struct camera_event_action {
  34. csi_camera_event_id_e event;
  35. bool supported;
  36. bool subscribed;
  37. camera_action_e action;
  38. } camera_event_action_t;
  39. typedef enum camera_channel_action {
  40. CAMERA_CHANNEL_ACTION_NONE = 0,
  41. CAMERA_CHANNEL_ACTION_LOG_PRINT = (1 << 0),
  42. CAMERA_CHANNEL_ACTION_CAPTURE_FRAME = (1 << 1),
  43. CAMERA_CHANNEL_ACTION_DISPLAY_FRAME = (1 << 2),
  44. CAMERA_CHANNEL_ACTION_MAX_COUNT = 3,
  45. } camera_channel_action_e;
  46. typedef struct camera_channel_event_action {
  47. csi_camera_channel_event_id_e event;
  48. bool supported;
  49. bool subscribed;
  50. camera_channel_action_e action;
  51. } camera_channel_event_action_t;
  52. typedef struct camera_event_action_union {
  53. manage_target_e target;
  54. int camera_id;
  55. int channel_id;
  56. union {
  57. camera_event_action_t camera;
  58. camera_channel_event_action_t channel;
  59. };
  60. } camera_event_action_union_t;
  61. struct camera_session;
  62. typedef int (*camera_action_fun_t)(struct camera_session *, csi_camera_event_s *);
  63. typedef struct camera_session {
  64. camera_state_e state; /* camera current state */
  65. uint32_t info_status; /* bitmask of camera_info_status_e */
  66. int camera_id; /* from csi_camera_infos_s.info[id] */
  67. csi_cam_handle_t camera_handle; /* from csi_camera_open() */
  68. csi_camera_infos_s camera_infos; /* from csi_camera_query_list() */
  69. csi_camera_modes_s camera_modes; /* from csi_camera_get_modes() */
  70. int camera_mode_id; /* from csi_camera_modes_s.modes[].mode_id */
  71. csi_camera_channel_cfg_s chn_cfg[CSI_CAMERA_CHANNEL_MAX_COUNT];
  72. csi_camera_channel_cfg_s chn_cfg_tmp; /* store temp params when configuring */
  73. csi_cam_event_handle_t event_handle;
  74. camera_event_action_union_t camera_event_action[CSI_CAMERA_EVENT_MAX_COUNT];
  75. camera_event_action_union_t channel_event_action[CSI_CAMERA_CHANNEL_MAX_COUNT][CSI_CAMERA_CHANNEL_EVENT_MAX_COUNT];
  76. camera_action_fun_t camera_action_fun;
  77. camera_action_fun_t channel_action_fun;
  78. pthread_t event_action_thread_id;
  79. } cams_t;
  80. int camera_create_session(cams_t **session);
  81. int camera_destory_session(cams_t **session);
  82. int camera_query_list(cams_t *session);
  83. int camera_get_caps(cams_t *session);
  84. int camera_open(cams_t *session, const char *dev_name);
  85. int camera_close(cams_t *session);
  86. int camera_get_modes(cams_t *session);
  87. int camera_set_mode(cams_t *session, int mode_id);
  88. int camera_query_property(cams_t *session,
  89. csi_camera_property_description_s *description);
  90. int camera_set_property(cams_t *session, csi_camera_properties_s *properties);
  91. int camera_channel_query_list(cams_t *session);
  92. int camera_channel_open(cams_t *session, csi_camera_channel_cfg_s *chn_cfg);
  93. int camera_channel_close(cams_t *session, csi_camera_channel_id_e chn_id);
  94. int camera_register_event_action(cams_t *session,
  95. camera_action_fun_t camera_action_fun,
  96. camera_action_fun_t channel_action_fun);
  97. int camera_subscribe_event(cams_t *session);
  98. int camera_channel_start(cams_t *session, csi_camera_channel_id_e chn_id);
  99. int camera_channel_stop(cams_t *session, csi_camera_channel_id_e chn_id);
  100. #ifdef __cplusplus
  101. }
  102. #endif
  103. #endif /* __CAMERA_MANAGER_H__ */