最終更新:2017-04-05 (水) 05:04:44 (2577d)
mm_camera_ops_t
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typedef struct { /** query_capability: fucntion definition for querying static * camera capabilities * @camera_handle : camer handler * Return value: 0 -- success * -1 -- failure * Note: would assume cam_capability_t is already mapped **/ int32_t (*query_capability) (uint32_t camera_handle); /** register_event_notify: fucntion definition for registering * for event notification * @camera_handle : camer handler * @evt_cb : callback for event notify * @user_data : user data poiner * Return value: 0 -- success * -1 -- failure **/ int32_t (*register_event_notify) (uint32_t camera_handle, mm_camera_event_notify_t evt_cb, void *user_data); /** close_camera: fucntion definition for closing a camera * @camera_handle : camer handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*close_camera) (uint32_t camera_handle); /** error_close_camera: function definition for closing * the camera backend on an unrecoverable * error * @camera_handle : camera handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*error_close_camera) (uint32_t camera_handle); /** map_buf: fucntion definition for mapping a camera buffer * via domain socket * @camera_handle : camer handler * @buf_type : type of mapping buffers, can be value of * CAM_MAPPING_BUF_TYPE_CAPABILITY * CAM_MAPPING_BUF_TYPE_SETPARM_BUF * CAM_MAPPING_BUF_TYPE_GETPARM_BUF * @fd : file descriptor of the stream buffer * @size : size of the stream buffer * Return value: 0 -- success * -1 -- failure **/ int32_t (*map_buf) (uint32_t camera_handle, uint8_t buf_type, int fd, size_t size); /** unmap_buf: fucntion definition for unmapping a camera buffer * via domain socket * @camera_handle : camer handler * @buf_type : type of mapping buffers, can be value of * CAM_MAPPING_BUF_TYPE_CAPABILITY * CAM_MAPPING_BUF_TYPE_SETPARM_BUF * CAM_MAPPING_BUF_TYPE_GETPARM_BUF * Return value: 0 -- success * -1 -- failure **/ int32_t (*unmap_buf) (uint32_t camera_handle, uint8_t buf_type); /** set_parms: fucntion definition for setting camera * based parameters to server * @camera_handle : camer handler * @parms : batch for parameters to be set, stored in * parm_buffer_t * Return value: 0 -- success * -1 -- failure * Note: would assume parm_buffer_t is already mapped, and * according parameter entries to be set are filled in the * buf before this call **/ int32_t (*set_parms) (uint32_t camera_handle, parm_buffer_t *parms); /** get_parms: fucntion definition for querying camera * based parameters from server * @camera_handle : camer handler * @parms : batch for parameters to be queried, stored in * parm_buffer_t * Return value: 0 -- success * -1 -- failure * Note: would assume parm_buffer_t is already mapped, and * according parameter entries to be queried are filled in * the buf before this call **/ int32_t (*get_parms) (uint32_t camera_handle, parm_buffer_t *parms); /** do_auto_focus: fucntion definition for performing auto focus * @camera_handle : camer handler * Return value: 0 -- success * -1 -- failure * Note: if this call success, we will always assume there will * be an auto_focus event following up. **/ int32_t (*do_auto_focus) (uint32_t camera_handle); /** cancel_auto_focus: fucntion definition for cancelling * previous auto focus request * @camera_handle : camer handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*cancel_auto_focus) (uint32_t camera_handle); /** prepare_snapshot: fucntion definition for preparing hardware * for snapshot. * @camera_handle : camer handler * @do_af_flag : flag indicating if AF needs to be done * 0 -- no AF needed * 1 -- AF needed * Return value: 0 -- success * -1 -- failure **/ int32_t (*prepare_snapshot) (uint32_t camera_handle, int32_t do_af_flag); /** start_zsl_snapshot: function definition for starting * zsl snapshot. * @camera_handle : camer handler * @ch_id : channel id * Return value: 0 -- success * -1 -- failure **/ int32_t (*start_zsl_snapshot) (uint32_t camera_handle, uint32_t ch_id); /** stop_zsl_snapshot: function definition for stopping * zsl snapshot. * @camera_handle : camer handler * @ch_id : channel id * Return value: 0 -- success * -1 -- failure **/ int32_t (*stop_zsl_snapshot) (uint32_t camera_handle, uint32_t ch_id); /** add_channel: fucntion definition for adding a channel * @camera_handle : camer handler * @ch_id : channel handler * @attr : pointer to channel attribute structure * @channel_cb : callbak to handle bundled super buffer * @userdata : user data pointer * Return value: channel id, zero is invalid ch_id * Note: attr, channel_cb, and userdata can be NULL if no * superbufCB is needed **/ uint32_t (*add_channel) (uint32_t camera_handle, mm_camera_channel_attr_t *attr, mm_camera_buf_notify_t channel_cb, void *userdata); /** delete_channel: fucntion definition for deleting a channel * @camera_handle : camer handler * @ch_id : channel handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*delete_channel) (uint32_t camera_handle, uint32_t ch_id); /** get_bundle_info: function definition for querying bundle * info of the channel * @camera_handle : camera handler * @ch_id : channel handler * @bundle_info : bundle info to be filled in * Return value: 0 -- success * -1 -- failure **/ int32_t (*get_bundle_info) (uint32_t camera_handle, uint32_t ch_id, cam_bundle_config_t *bundle_info); /** add_stream: fucntion definition for adding a stream * @camera_handle : camer handler * @ch_id : channel handler * Return value: stream_id. zero is invalid stream_id **/ uint32_t (*add_stream) (uint32_t camera_handle, uint32_t ch_id); /** delete_stream: fucntion definition for deleting a stream * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*delete_stream) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id); /** link_stream: function definition for linking a stream * @camera_handle : camera handle * @ch_id : channel handle from which the stream originates * @stream_id : stream handle * @linked_ch_id: channel handle in which the stream will be linked * Return value: 0 -- success * -1 -- failure **/ int32_t (*link_stream) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id, uint32_t linked_ch_id); /** config_stream: fucntion definition for configuring a stream * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * @confid : pointer to a stream configuration structure * Return value: 0 -- success * -1 -- failure **/ int32_t (*config_stream) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id, mm_camera_stream_config_t *config); /** map_stream_buf: fucntion definition for mapping * stream buffer via domain socket * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * @buf_type : type of mapping buffers, can be value of * CAM_MAPPING_BUF_TYPE_STREAM_BUF * CAM_MAPPING_BUF_TYPE_STREAM_INFO * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF * @buf_idx : buffer index within the stream buffers * @plane_idx : plane index. If all planes share the same fd, * plane_idx = -1; otherwise, plean_idx is the * index to plane (0..num_of_planes) * @fd : file descriptor of the stream buffer * @size : size of the stream buffer * Return value: 0 -- success * -1 -- failure **/ int32_t (*map_stream_buf) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id, uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx, int fd, size_t size); /** unmap_stream_buf: fucntion definition for unmapping * stream buffer via domain socket * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * @buf_type : type of mapping buffers, can be value of * CAM_MAPPING_BUF_TYPE_STREAM_BUF * CAM_MAPPING_BUF_TYPE_STREAM_INFO * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF * @buf_idx : buffer index within the stream buffers * @plane_idx : plane index. If all planes share the same fd, * plane_idx = -1; otherwise, plean_idx is the * index to plane (0..num_of_planes) * Return value: 0 -- success * -1 -- failure **/ int32_t (*unmap_stream_buf) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id, uint8_t buf_type, uint32_t buf_idx, int32_t plane_idx); /** set_stream_parms: fucntion definition for setting stream * specific parameters to server * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * @parms : batch for parameters to be set * Return value: 0 -- success * -1 -- failure * Note: would assume parm buffer is already mapped, and * according parameter entries to be set are filled in the * buf before this call **/ int32_t (*set_stream_parms) (uint32_t camera_handle, uint32_t ch_id, uint32_t s_id, cam_stream_parm_buffer_t *parms); /** get_stream_parms: fucntion definition for querying stream * specific parameters from server * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * @parms : batch for parameters to be queried * Return value: 0 -- success * -1 -- failure * Note: would assume parm buffer is already mapped, and * according parameter entries to be queried are filled in * the buf before this call **/ int32_t (*get_stream_parms) (uint32_t camera_handle, uint32_t ch_id, uint32_t s_id, cam_stream_parm_buffer_t *parms); /** start_channel: fucntion definition for starting a channel * @camera_handle : camer handler * @ch_id : channel handler * Return value: 0 -- success * -1 -- failure * This call will start all streams belongs to the channel **/ int32_t (*start_channel) (uint32_t camera_handle, uint32_t ch_id); /** stop_channel: fucntion definition for stopping a channel * @camera_handle : camer handler * @ch_id : channel handler * Return value: 0 -- success * -1 -- failure * This call will stop all streams belongs to the channel **/ int32_t (*stop_channel) (uint32_t camera_handle, uint32_t ch_id); /** qbuf: fucntion definition for queuing a frame buffer back to * kernel for reuse * @camera_handle : camer handler * @ch_id : channel handler * @buf : a frame buffer to be queued back to kernel * Return value: 0 -- success * -1 -- failure **/ int32_t (*qbuf) (uint32_t camera_handle, uint32_t ch_id, mm_camera_buf_def_t *buf); /** get_queued_buf_count: fucntion definition for querying queued buf count * @camera_handle : camer handler * @ch_id : channel handler * @stream_id : stream handler * Return value: queued buf count **/ int32_t (*get_queued_buf_count) (uint32_t camera_handle, uint32_t ch_id, uint32_t stream_id); /** request_super_buf: fucntion definition for requesting frames * from superbuf queue in burst mode * @camera_handle : camer handler * @ch_id : channel handler * @num_buf_requested : number of super buffers requested * @num_retro_buf_requested : number of retro buffers requested * Return value: 0 -- success * -1 -- failure **/ int32_t (*request_super_buf) (uint32_t camera_handle, uint32_t ch_id, uint32_t num_buf_requested, uint32_t num_retro_buf_requested); /** cancel_super_buf_request: fucntion definition for canceling * frames dispatched from superbuf queue in * burst mode * @camera_handle : camer handler * @ch_id : channel handler * Return value: 0 -- success * -1 -- failure **/ int32_t (*cancel_super_buf_request) (uint32_t camera_handle, uint32_t ch_id); /** flush_super_buf_queue: function definition for flushing out * all frames in the superbuf queue up to frame_idx, * even if frames with frame_idx come in later than * this call. * @camera_handle : camer handler * @ch_id : channel handler * @frame_idx : frame index up until which all superbufs are flushed * Return value: 0 -- success * -1 -- failure **/ int32_t (*flush_super_buf_queue) (uint32_t camera_handle, uint32_t ch_id, uint32_t frame_idx); /** configure_notify_mode: function definition for configuring the * notification mode of channel * @camera_handle : camera handler * @ch_id : channel handler * @notify_mode : notification mode * Return value: 0 -- success * -1 -- failure **/ int32_t (*configure_notify_mode) (uint32_t camera_handle, uint32_t ch_id, mm_camera_super_buf_notify_mode_t notify_mode); /** process_advanced_capture: function definition for start/stop advanced capture * for snapshot. * @camera_handle : camera handle * @ch_id : channel handler * @type : advanced capture type. * @trigger : flag indicating if advanced capture needs to be done * 0 -- stop advanced capture * 1 -- start advanced capture * @in_value: Input value. Configaration * Return value: 0 -- success * -1 -- failure **/ int32_t (*process_advanced_capture) (uint32_t camera_handle, uint32_t ch_id, mm_camera_advanced_capture_t type, int8_t start_flag, void *in_value); } mm_camera_ops_t;
