Data Structures

Here are the data structures with brief descriptions:

C_GstNvDsBufferPool
C_GstNvDsBufferPoolClass
C_NvBbox_Coords	Holds unclipped bounding box coordinates of the object
C_NvBufSurfaceTransformParams	Holds transform parameters for a transform call
C_NvBufSurfTransform_ColorParams
C_NvBufSurfTransformCompositeBlendParams	Holds composite blend parameters for a composite blender call
C_NvBufSurfTransformCompositeParams	Holds composite parameters for a composite call
C_NvBufSurfTransformConfigParams	Holds configuration parameters for a transform/composite session
C_NvDewarperSurfaceMeta	Holds a set of dewarper metadata
C_NvDsAudioFrameMeta	Holds metadata for a audio frame in a batch
C_NvDsBaseMeta	Holds information about base metadata of a given metadata type
C_NvDsBatchMeta	Holds information about a formed batch containing frames from different sources
C_NvDsClassifierMeta	Holds classifier metadata for an object
C_NvDsComp_BboxInfo	Holds unclipped positional bounding box coordinates of the object processed by the component
C_NvDsCustomMsgInfo	Holds data for any user defined custom message to be attached to the payload message : custom message to be attached size : size of the custom message
C_NvDsEvent	Holds event information
C_NvDsFrameMeta	Holds metadata for a frame in a batch
C_NvDsInferContextInitParams	Holds the initialization parameters required for the NvDsInferContext interface
C_NvDsLabelInfo	Holds label metadata for the classifier
C_NvDsMeta	Holds DeepSteam metadata
C_NvDsMetaCompLatency	Holds information about latency of the given component
C_NvDsMetaPool	Holds information about a given metadata pool
C_NvDsMetaSubCompLatency	Holds information about latency of the given subcomponent
C_NvDsObjectMeta	Holds metadata for an object in the frame
C_NvDsObjEncOutParams	Holds output parameters
C_NvDsObjEncUsrArgs	Holds user parameters for a nvds_obj_enc_process call
C_NvDsPastFrameObj
C_NvDsPastFrameObjBatch	Batch of lists of buffered objects
C_NvDsPastFrameObjList	One object in several past frames
C_NvDsPastFrameObjStream	List of objects in each stream
C_NvDsUserMeta	Holds user metadata
C_NvMOTConfig	Holds a tracker configuration
C_NvMOTConfigResponse	Holds a tracker's configuration status
C_NvMOTFrame	Holds a frame containing the image and objects to be tracked
C_NvMOTMiscConfig	Holds miscellaneous configurations
C_NvMOTObjToTrack	Holds information about an object to be tracked
C_NvMOTObjToTrackList	Holds a list of objects
C_NvMOTPerTransformBatchConfig	Holds a configuration for batches for an input transform (a scaling/color conversion)
C_NvMOTProcessParams	Holds parameters for processing a batch
C_NvMOTQuery
C_NvMOTRect	Holds the definition of a rectangle
C_NvMOTTrackedObj	Holds information about each tracked object
C_NvMOTTrackedObjBatch	Holds a batch of lists of tracked objects
C_NvMOTTrackedObjList	Holds a list of tracked objects
C_NvOFFlowVector	Holds motion vector information about an element
C_NvOSD_ArrowParams	Holds arrow parameters to be overlaid
C_NvOSD_CircleParams	Holds circle parameters to be overlayed
C_NvOSD_Color_info
C_NvOSD_ColorParams	Holds the color parameters of the box or text to be overlayed
C_NvOSD_FontParams	Holds the font parameters of the text to be overlayed
C_NvOSD_FrameArrowParams	Holds information about the arrows in a frame
C_NvOSD_FrameCircleParams	Holds information about the circles in a frame
C_NvOSD_FrameLineParams	Holds information about the lines in a frame
C_NvOSD_FrameRectParams	Holds information about the rectangles in a frame
C_NvOSD_FrameSegmentMaskParams	Holds information about the rectangles in a frame
C_NvOSD_FrameTextParams	Holds information about the text in a frame
C_NvOSD_LineParams	Holds the box parameters of a line to be overlayed
C_NvOSD_MaskParams	Holds the mask parameters of the segment to be overlayed
C_NvOSD_RectParams	Holds the box parameters of the box to be overlayed
C_NvOSD_TextParams	Holds parameters of text to be overlayed
CCustomInitParams	Custom Initialization parameter for custom library
CCustomSeqProcTensorParams	Tensor params for Custom sequence processing for 3d conv network
CCustomTensorParams	Tensor params passed to custom library for tensor preparation
CCustomTransformParams	Custom transformation parameter for calling nvbufsurftransform api for scaling and converting the ROIs to the network resolutions to be used by custom lib
CGstNvDsPreProcessBatchMeta	Preprocess meta as a user meta which is attached at batch level
CNvBufAudio
CNvBufAudioParams
CNvBufSurface	Holds information about batched buffers
CNvBufSurfaceCreateParams	Holds parameters required to allocate an NvBufSurface
CNvBufSurfaceMappedAddr	Holds pointers for a mapped buffer
CNvBufSurfaceParams	Holds information about a single buffer in a batch
CNvBufSurfacePlaneParams	Holds the planewise parameters of a buffer
CNvBufSurfTransformRect	Holds the coordinates of a rectangle
CNvDsAnalyticsFrameMeta	Holds a set of nvdsanalytics framelevel metadata
CNvDsAnalyticsObjInfo	Holds a set of nvdsanalytics object level metadata
CNvDsCoordinate	Hold a coordinate's position
CNvDsDisplayMeta	Holds display metadata that the user can specify in the frame
CNvDsEventMsgMeta	Holds event message meta data
CNvDsFaceObject	Holds a face object's parameters
CNvDsFaceObjectWithExt	Holds a face object's parameters
CNvDsFrameLatencyInfo	Holds information about the latency of a given frame
CNvDsGeoLocation	Holds geolocation parameters
CNvDsInferAttribute	Holds information about one classified attribute
CNvDsInferClassificationOutput	Holds information on all attributes classifed by a classifier network for one frame
CNvDsInferContextBatchInput	Holds information about one batch to be inferred
CNvDsInferContextBatchOutput	Holds the output for all of the frames in a batch (an array of frame), and related buffer information
CNvDsInferContextBatchPreprocessedInput
CNvDsInferDBScanClusteringParams	Holds object clustering parameters required by DBSCAN
CNvDsInferDetectionOutput	Holds information on all objects detected by a detector network in one frame
CNvDsInferDetectionParams	Holds detection and bounding box grouping parameters
CNvDsInferDims	Holds the dimensions of a layer
CNvDsInferDimsCHW	Holds the dimensions of a three-dimensional layer
CNvDsInferFrameOutput	Holds the information inferred by the network on one frame
CNvDsInferInstanceMaskInfo	Holds information about one parsed object and instance mask from a detector's output
CNvDsInferLayerInfo	Holds information about one layer in the model
CNvDsInferNetworkInfo	Holds information about the model network
CNvDsInferObject	Holds information about one detected object
CNvDsInferObjectDetectionInfo	Holds information about one parsed object from a detector's output
CNvDsInferParseDetectionParams	Holds the detection parameters required for parsing objects
CNvDsInferPluginFactoryCaffe	Holds a pointer to a heap-allocated Plugin Factory object required during Caffe model parsing
CNvDsInferSegmentationMeta	Holds the segmentation model output information for one frame / one object
CNvDsInferSegmentationOutput	Holds information parsed from segmentation network output for one frame
CNvDsInferTensorMeta	Holds the raw tensor output information for one frame / one object
CNvDsObjectSignature	Holds an object's signature
CNvDsOpticalFlowMeta	Holds optical flow metadata about a frame
CNvDsPayload	Holds payload metadata
CNvDsPersonObject	Holds a person object's parameters
CNvDsPersonObjectExt	Holds a person object's parameters
CNvDsPreProcessAcquirer	Class for acquiring and releasing a buffer from tensor pool by custom lib
CNvDsPreProcessBatch	Holds information about the batch of frames to be inferred
CNvDsPreProcessCustomBuf	Custom Buffer passed to the custom lib for preparing tensor
CNvDsPreProcessNetworkSize	Holds information about the model network
CNvDsPreProcessTensorMeta	Tensor meta containing prepared tensor and related info inside preprocess user meta which is attached at batch level
CNvDsPreProcessTensorParams	Holds model parameters for tensor preparation
CNvDsPreProcessUnit	A preprocess unit for processing which can be Frame/ROI
CNvDsRect	Holds a rectangle's position and size
CNvDsRoiMeta	Holds Information about ROI Metadata
CNvDsSRContext	Holds information about smart record instance
CNvDsSRInitParams	Holds initializtion paramerters required to create NvDsSRContext
CNvDsSRRecordingInfo	Hold information about video recorded
CNvDsVehicleObject	Holds a vehicle object's parameters
CNvDsVehicleObjectExt	Holds a vehicle object's parameters
CNvMsgBrokerClientMsg