|
struct _mct_module { mct_object_t object; mct_list_t *type_list; mct_list_t *srcports; ---àdata里面是mct_port_t unsigned short numsrcports; mct_list_t *sinkports; ---àdata里面是mct_port_t unsigned short numsinkports; void *module_private; pthread_mutex_t type_list_lock; /* virtual functions - MUST be implemented by each module */ mct_module_process_event_func process_event; mct_module_set_mod_func set_mod; mct_module_query_mod_func query_mod; mct_module_request_port_function request_new_port; mct_module_start_session start_session; mct_module_stop_session stop_session; mct_module_set_session_data set_session_data; mct_module_get_session_data get_session_data; }; typedef struct { mct_module_t *module; pthread_mutex_t mutex; iface_buf_mgr_t buf_mgr; iface_ispif_data_t ispif_data; iface_isp_axi_data_t isp_axi_data; iface_session_t sessions[IFACE_MAX_SESSIONS]; int fd; int num_active_streams; int frame_cnt; int skip_meta; int used_resource_mask; uint32_t used_wm[VFE_MAX]; iface_hvx_singleton_t hvx_singleton; } iface_t typedef struct { uint32_t num_subdev; char subdev_name[32]; //entity.type == MEDIA_ENT_T_V4L2_SUBDEV &&entity.group_id == MSM_CAMERA_SUBDEV_ISPIF的节点 iface_ispif_t ispif_hw; } iface_ispif_data_t; typedef struct { uint32_t num_subdev; iface_isp_subdevs_t isp_subdev[IFACE_ISP_SD_NODE_ID_MAX_NUM];// entity.type == MEDIA_ENT_T_V4L2_SUBDEV&& entity.group_id == //MSM_CAMERA_SUBDEV_VFE的节点 iface_axi_t axi_data[VFE_MAX]; } iface_isp_axi_data_t; typedef struct { mct_port_t *port; void *iface; iface_port_state_t state; uint32_t session_id; int num_active_streams; union { iface_src_port_t src_port; iface_sink_port_t sink_port; } u; } iface_port_t; struct _mct_port { mct_object_t object; ->name是iface_sink0-7 or iface_src0-7； ->parant指向mct_module_t mct_port_caps_t caps; ->port_caps_type =MCT_PORT_CAPS_OPAQUE(sink) or MCT_PORT_CAPS_FRAME(src) mct_port_direction_t direction; MCT_PORT_SINK or MCT_PORT_SRC mct_port_t *peer; //也叫做intra_port mct_port_t *internal_peer[MAX_PORT_CONNECTIONS]; //也叫做intra_port mct_inter_peer_entity_t inter_session_peer[MAX_PORT_CONNECTIONS]; void *port_private; /* virtual functions to be defined by individual ports */ mct_port_event_func event_func; mct_port_intra_event_func intra_event_func; mct_port_int_link_func int_link; mct_port_ext_link_func ext_link; mct_port_intra_link_func intra_link; mct_port_unlink_func un_link; mct_port_intra_unlink_func intra_unlink; mct_port_set_caps_func set_caps; mct_port_check_caps_reserve_func check_caps_reserve; mct_port_check_caps_unreserve_func check_caps_unreserve; } typedef struct { void *iface; uint32_t session_id; uint32_t peer_session_id; enum msm_vfe_dual_hw_ms_type ms_type; uint32_t num_hw_stream; uint32_t sof_frame_id; uint32_t recovery_done_sof_frame_id; uint32_t active_count; sensor_out_info_t sensor_out_info; iface_hw_stream_t hw_streams[IFACE_MAX_STREAMS]; uint32_t num_stats_stream; iface_stats_stream_t stats_streams[MSM_ISP_STATS_MAX]; iface_stats_stream_t offline_stats_streams[MSM_ISP_STATS_MAX]; iface_resource_t session_resource; int ion_fd; // 节点/dev/ion uint32_t num_bundled_streamon; uint32_t num_bundled_streamoff; cam_bundle_config_t hal_bundle_parm; enum msm_vfe_frame_skip_pattern hal_skip_pattern; enum msm_vfe_frame_skip_pattern stats_skip_pattern; enum msm_vfe_frame_skip_pattern bracketing_frame_skip_pattern; /* pattern sent by sensor during bracketing */ iface_hfr_param_t hfr_param; boolean cds_feature_enable; boolean dynamic_stats_skip_feature_enb; uint32_t cds_curr_enb; uint32_t cds_saved_state; iface_cds_info_t cds_info; iface_cds_status_t cds_status; cam_cds_mode_type_t cds_mode; mct_bracketing_state_t bracketing_state; uint32_t fast_aec_mode; uint32_t num_bundle_meta; uint32_t num_pdaf_meta; iface_bundle_meta_info_t bundle_meta_info[IFACE_MAX_STREAMS]; iface_bundle_pdaf_info_t bundle_pdaf_info[IFACE_MAX_STREAMS]; pdaf_data_buffer_info_t camif_info; enum smmu_attach_mode security_mode; modulesChromatix_t chromatix_param; iface_axi_recovery_state_t overflow_recovery_state; pthread_mutex_t mutex; /* thread in session*/ iface_session_thread_t session_thread; uint32_t prev_sent_streamids[MAX_STREAMS_NUM]; uint32_t prev_sent_streamids_cnt; cam_hal_version_t hal_version; uint32_t max_apply_delay; uint32_t max_reporting_delay; pthread_mutex_t parm_q_lock[IFACE_FRAME_CTRL_SIZE]; mct_queue_t *parm_q[IFACE_FRAME_CTRL_SIZE]; uint32_t session_streams_identity; uint32_t vt_enable; uint32_t hal_max_buffer; iface_offline_isp_info_t offline_info; boolean dual_vfe_notify[IFACE_AXI_NOTIFY_MAX][VFE_MAX]; iface_sw_frameskip sw_skip_info; int skip_cds_timeout; /*ignore CDS switches for next x frames*/ boolean cds_skip_disable; isp_preferred_streams preferred_mapping; iface_batch_info_t batch_info; uint8_t initial_frame_skip; int create_axi_count[VFE_MAX]; iface_hvx_t hvx; uint32_t num_pix_streamon; boolean first_pix_stream_on_off; iface_buf_alloc_t nativbuf_alloc_info; iface_frame_buffer_t image_bufs[VFE_AXI_SRC_MAX][IFACE_MAX_IMG_BUF]; uint8_t dis_enabled; uint32_t hw_version; cam_sensor_hdr_type_t hdr_mode; boolean zzhdr_hw_available; isp_camif_caps_info camif_cap; boolean use_testgen; /* Indicates whether input is from CAMIF testgen */ struct timeval time_stamp; struct timeval delta_time_stamp; uint8_t fe_done_cnt; } iface_session_t; typedef struct { pthread_mutex_t mutex; pthread_mutex_t req_mutex; uint32_t use_cnt; int ion_fd; //指向：/dev/ion uint32_t bufq_handle_count; iface_bufq_t bufq[IFACE_MAX_NUM_BUF_QUEUE]; } iface_buf_mgr_t; Mct_port->parent 是 mct_module ， mct_module->parent ====mct_stream_t 主要文件：module_iface.c mct_module.c iface.c port_iface.c mct_port.c 开始session： 函数int iface_start_session(iface_t *iface, uint32_t session_id) 主要做以下事情： 1 启动线程：iface_session_sem_thread_start（）： 处理处理来自pipe的命令 |
|
|
来自： 新用户8389DdzY > 《高通》
