NvTrackerProc Class Reference

Detailed Description

Copyright (c) 2019-2023, NVIDIA CORPORATION.

All rights reserved.

NVIDIA Corporation and its licensors retain all intellectual property and proprietary rights in and to this software, related documentation and any modifications thereto. Any use, reproduction, disclosure or distribution of this software and related documentation without an express license agreement from NVIDIA Corporation is strictly prohibited. Tracker process class.

Definition at line 29 of file nvtracker_proc.h.

Inheritance diagram for NvTrackerProc:

Collaboration diagram for NvTrackerProc:

Data Structures
struct	ClassInfo
	Object class information. More...
struct	DispatchInfo
	Info corresponding to each sub-batch thread. More...
struct	DispatchReq
	Per-sub-batch dispatch to low-level tracker lib. More...
struct	ProcParams
	Tracker data submitted for proceeding. More...

Public Member Functions
	NvTrackerProc ()
virtual	~NvTrackerProc ()
virtual bool	init (const TrackerConfig &config)
virtual void	deInit ()
virtual bool	addSource (uint32_t sourceId)
	Tracker actions when a source is added to the pipeline. More...
virtual bool	removeSource (uint32_t sourceId, bool removeObjectIdMapping=true)
	Tracker actions when a source is removed to the pipeline. More...
virtual bool	resetSource (uint32_t sourceId)
	Tracker actions when a source is reset. More...
virtual bool	submitInput (const InputParams &inputParams)
	Submit an input batch to tracker process queue. More...
virtual CompletionStatus	waitForCompletion (InputParams &inputParams)
	Wait until a batch's process is done. More...
virtual bool	flushReqs ()
	Flush the request to send the batch downstream. More...

Protected Types
typedef uint32_t	BatchId
	Current batch ID. More...
typedef uint64_t	SurfaceStreamId
	Composition of unique ID for each surface from each source Some sources (e.g. More...
typedef uint32_t	StreamId
	Source stream ID. More...
typedef uint32_t	SurfaceId
	Surface type ID. More...
typedef uint32_t	SubBatchId
	Sub batch ID. More...

Protected Member Functions
void	processSubBatch (DispatchInfo *pDispatchInfo)
	Function to pop sub-batch from queue, call low level lib to process and update meta data with tracking results for the sub-batch. More...
bool	dispatchSubBatches (ProcParams procParams)
	Function to create sub-batches from a batch and submit to corresponding sub-batch queues. More...
NvMOTContextHandle	initTrackerContext (uint32_t sbId=0)
	Internal initializing and release function. More...
bool	initConvBufPool ()
	Initialize surface transform buffer pool. More...
void	deInitConvBufPool ()
	Deinitialize surface transform buffer pool. More...
bool	initMiscDataPool ()
	Initialize misc data (user meta) buffer pool. More...
void	deInitMiscDataPool ()
	Deinitialize misc data (user meta) buffer pool. More...
bool	initTrackerLib ()
	Initialize low-level tracker lib. More...
void	deInitTrackerLib ()
	Deinitialize low-level tracker lib. More...
void	allocateProcessMemory (NvMOTProcessParams &procInput, NvMOTTrackedObjBatch &procResult)
	Allocate memory for low level library input. More...
void	allocateProcessMemory (NvMOTProcessParams &procInput, NvMOTTrackedObjBatch &procResult, uint32_t batchSize)
void	releaseProcessMemory (NvMOTProcessParams &procInput, NvMOTTrackedObjBatch &procResult)
	Release input memory. More...
void	releaseProcessMemory (NvMOTProcessParams &procInput, NvMOTTrackedObjBatch &procResult, uint32_t batchSize)
void	allocateConvexHullMemory (NvMOTTrackedObj *list, const uint32_t numAllocated)
void	releaseConvexHullMemory (NvMOTTrackedObj *list, const uint32_t numAllocated)
void	queueFrames (const NvDsBatchMeta &batchMeta, std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &batchList)
	Functions to process a batch. More...
void	fillMOTFrame (SurfaceStreamId ssId, const ProcParams &procParams, const NvDsFrameMeta &frameMeta, NvMOTFrame &motFrame, NvMOTTrackedObjList &trackedObjList)
	Fill input to low-level tracker lib. More...
void	updateBatchMeta (const NvMOTTrackedObjBatch &procResult, const ProcParams &procParams, std::map< SurfaceStreamId, NvDsFrameMeta * > &frameMap)
	Update batch meta with tracking results. More...
void	updateFrameMeta (NvDsFrameMeta *pFrameMeta, const NvMOTTrackedObjList &objList, const ProcParams &procParams)
	Update each stream's frame meta with tracking results. More...
void	updatePastFrameMeta (const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &batchList, GstNvTrackerMiscDataObject *pGstObj, ProcParams &procParams)
	Update past frame data. More...
void	updateUserMeta (const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &batchList, ProcParams &procParams, NvTrackerMiscDataBuffer *pMiscDataBuf)
	Update tracker user meta. More...
void	updateUserMeta (const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &batchList, ProcParams &procParams, NvTrackerMiscDataBuffer *pMiscDataBuf, TrackerMiscDataManager &miscDataMgr)
void	updateObjectReidMeta (NvDsObjectMeta *pObjectMeta, NvMOTTrackedObj *pTrackedObj, NvDsBatchMeta *pBatchMeta)
	Update each object's reid meta. More...
void	updateBatchReidMeta (GstNvTrackerMiscDataObject *pGstObj, ProcParams &procParams)
	Update batch reid meta. More...
void	updateObjectProjectionMeta (NvDsObjectMeta *pObjectMeta, NvMOTTrackedObj *pTrackedObj, NvDsBatchMeta *pBatchMeta, float scaleWidth, float scaleHeight)
	Update each object's model projection meta. More...
void	updateTerminatedTrackMeta (GstNvTrackerMiscDataObject *pGstObj, ProcParams &procParams)
void	updateShadowTrackMeta (GstNvTrackerMiscDataObject *pGstObj, ProcParams &procParams)
void	processBatch ()
	Function to pop batch from input queue, call low level lib to process and update meta data with tracking results. More...
SurfaceStreamId	getSurfaceStreamId (StreamId streamId, SurfaceId surfaceId)
	Getter. More...
StreamId	getStreamId (SurfaceStreamId ssId)
SurfaceId	getSurfaceId (SurfaceStreamId ssId)
guint64	objectIdMapping (const guint64 &objectId, const SurfaceStreamId &ssId)
	Object ID mapper to ensure ID starts from 0 after reset. More...
void	removeUntrackedObjects (NvDsFrameMeta *pFrameMeta)
	Remove objects that don't need an ID. More...
bool	clipBBox (uint32_t frameWidth, uint32_t frameHeight, float &left, float &top, float &width, float &height)
	Clip the bbox to be within the frame. More...
NvDsTargetMiscDataBatch *	allocatePastFrameMemory ()

Protected Attributes
std::map< int, ClassInfo >	m_ClassInfoMap
	Info mapped per class. More...
TrackerConfig	m_Config
	Tracker processing config. More...
bool	m_Running = false
	Tracker lib is running. More...
std::atomic< bool >	m_TrackerLibError
	Tracker lib encounters an error. More...
ConvBufManager	m_ConvBufMgr
	Buffer manager for surface transformation. More...
TrackerMiscDataManager	m_MiscDataMgr
	Buffer manager for misc data (user meta). More...
std::queue< ProcParams >	m_ProcQueue
	Input queue waiting for tracker proceeding. More...
std::mutex	m_ProcQueueLock
std::condition_variable	m_ProcQueueCond
std::condition_variable	m_BufQueueCond
std::map< BatchId, std::vector< SubBatchId > >	m_PendingBatch
	Stores batches not finishing tracker proceeding. More...
BatchId	m_BatchId = 0
std::mutex	m_PendingBatchLock
std::map< BatchId, bool >	m_ConvBufComplete
	Stores status of pending batches for buffer conversion. More...
std::mutex	m_ConvBufLock
NvMOTContextHandle	m_BatchContextHandle = nullptr
	Batch dispatch to low-level tracker lib. More...
std::thread	m_ProcessBatchThread
std::map< SubBatchId, DispatchInfo >	m_DispatchMap
	Mapping fron sub-batch id to corresponding thread info. More...
std::mutex	m_DispatchMapLock
std::map< SurfaceStreamId, SubBatchId >	m_SsidSubBatchMap
	Mapping for streamID => SubBatchId. More...
std::map< uint32_t, uint32_t >	m_PadIndexSeqIndexMap
	Pad index(Source id) mapping: {Pad index(source id): sequence index in the sub-batch}. More...
std::queue< InputParams >	m_CompletionQueue
	Completions. More...
std::mutex	m_CompletionQueueLock
std::condition_variable	m_CompletionQueueCond
std::map< SurfaceStreamId, guint64 >	m_ObjectIdOffsetMap
	Object id mapping: {surface stream ID: object id offset}. More...
void *	m_TrackerLibHandle
	Low-level tracker lib API and support functions. More...
NvMOTStatus(*	m_TrackerLibInit )(NvMOTConfig *pConfigIn, NvMOTContextHandle *pContextHandle, NvMOTConfigResponse *pConfigResponse)
	Tracker low level library functions. More...
void(*	m_TrackerLibDeInit )(NvMOTContextHandle contextHandle)
	Low level lib deinit. More...
NvMOTStatus(*	m_TrackerLibProcess )(NvMOTContextHandle contextHandle, NvMOTProcessParams *pParams, NvMOTTrackedObjBatch *pTrackedObjectsBatch)
	Low level lib process. More...
NvMOTStatus(*	m_TrackerLibRetrieveMiscData )(NvMOTContextHandle contextHandle, NvMOTProcessParams *pParams, NvMOTTrackerMiscData *pTrackerMiscData)
	Low level lib process past frame. More...
NvMOTStatus(*	m_TrackerLibQuery )(uint16_t customConfigFilePathSize, char *pCustomConfigFilePath, NvMOTQuery *pQuery)
	Low level lib query. More...
NvMOTStatus(*	m_TrackerLibRemoveStreams )(NvMOTContextHandle contextHandle, NvMOTStreamId streamIdMask)
	Low level lib remove streams. More...

Member Typedef Documentation

BatchId

typedef uint32_t NvTrackerProc::BatchId

protected

Current batch ID.

Definition at line 66 of file nvtracker_proc.h.

StreamId

typedef uint32_t NvTrackerProc::StreamId

protected

Source stream ID.

Definition at line 73 of file nvtracker_proc.h.

SubBatchId

typedef uint32_t NvTrackerProc::SubBatchId

protected

Sub batch ID.

Definition at line 77 of file nvtracker_proc.h.

SurfaceId

typedef uint32_t NvTrackerProc::SurfaceId

protected

Surface type ID.

Definition at line 75 of file nvtracker_proc.h.

SurfaceStreamId

typedef uint64_t NvTrackerProc::SurfaceStreamId

protected

Composition of unique ID for each surface from each source Some sources (e.g.

360d) produce multiple surfaces per frame due to dewarping etc.

Definition at line 71 of file nvtracker_proc.h.

Constructor & Destructor Documentation

NvTrackerProc()

NvTrackerProc::NvTrackerProc

(

)

~NvTrackerProc()

virtual NvTrackerProc::~NvTrackerProc ( )

virtual

Member Function Documentation

addSource()

virtual bool NvTrackerProc::addSource ( uint32_t  sourceId )

virtual

Tracker actions when a source is added to the pipeline.

Implements INvTrackerProc.

allocateConvexHullMemory()

void NvTrackerProc::allocateConvexHullMemory ( NvMOTTrackedObj *  list, const uint32_t  numAllocated  )

protected

allocatePastFrameMemory()

NvDsTargetMiscDataBatch* NvTrackerProc::allocatePastFrameMemory ( )

protected

allocateProcessMemory() [1/2]

void NvTrackerProc::allocateProcessMemory ( NvMOTProcessParams &  procInput, NvMOTTrackedObjBatch &  procResult  )

protected

Allocate memory for low level library input.

allocateProcessMemory() [2/2]

void NvTrackerProc::allocateProcessMemory ( NvMOTProcessParams &  procInput, NvMOTTrackedObjBatch &  procResult, uint32_t  batchSize  )

protected

clipBBox()

bool NvTrackerProc::clipBBox ( uint32_t  frameWidth, uint32_t  frameHeight, float &  left, float &  top, float &  width, float &  height  )

protected

Clip the bbox to be within the frame.

If the bbox is entirely outside, or shrinks to 0 in either dimension, then return false so it can be removed from the object list.

deInit()

virtual void NvTrackerProc::deInit ( )

virtual

Implements INvTrackerProc.

deInitConvBufPool()

void NvTrackerProc::deInitConvBufPool ( )

protected

Deinitialize surface transform buffer pool.

deInitMiscDataPool()

void NvTrackerProc::deInitMiscDataPool ( )

protected

Deinitialize misc data (user meta) buffer pool.

deInitTrackerLib()

void NvTrackerProc::deInitTrackerLib ( )

protected

Deinitialize low-level tracker lib.

dispatchSubBatches()

bool NvTrackerProc::dispatchSubBatches ( ProcParams  procParams )

protected

Function to create sub-batches from a batch and submit to corresponding sub-batch queues.

fillMOTFrame()

void NvTrackerProc::fillMOTFrame ( SurfaceStreamId  ssId, const ProcParams &  procParams, const NvDsFrameMeta &  frameMeta, NvMOTFrame &  motFrame, NvMOTTrackedObjList &  trackedObjList  )

protected

Fill input to low-level tracker lib.

flushReqs()

virtual bool NvTrackerProc::flushReqs ( )

virtual

Flush the request to send the batch downstream.

Implements INvTrackerProc.

getStreamId()

StreamId NvTrackerProc::getStreamId ( SurfaceStreamId  ssId )

inlineprotected

Definition at line 264 of file nvtracker_proc.h.

getSurfaceId()

SurfaceId NvTrackerProc::getSurfaceId ( SurfaceStreamId  ssId )

inlineprotected

Definition at line 265 of file nvtracker_proc.h.

getSurfaceStreamId()

SurfaceStreamId NvTrackerProc::getSurfaceStreamId ( StreamId  streamId, SurfaceId  surfaceId  )

inlineprotected

Getter.

Definition at line 262 of file nvtracker_proc.h.

init()

virtual bool NvTrackerProc::init ( const TrackerConfig &  config )

virtual

Implements INvTrackerProc.

initConvBufPool()

bool NvTrackerProc::initConvBufPool ( )

protected

Initialize surface transform buffer pool.

initMiscDataPool()

bool NvTrackerProc::initMiscDataPool ( )

protected

Initialize misc data (user meta) buffer pool.

initTrackerContext()

NvMOTContextHandle NvTrackerProc::initTrackerContext ( uint32_t  sbId = 0 )

protected

Internal initializing and release function.

initialize the batch context with low-level tracker lib.

initTrackerLib()

bool NvTrackerProc::initTrackerLib ( )

protected

Initialize low-level tracker lib.

objectIdMapping()

guint64 NvTrackerProc::objectIdMapping ( const guint64 &  objectId, const SurfaceStreamId &  ssId  )

protected

Object ID mapper to ensure ID starts from 0 after reset.

processBatch()

void NvTrackerProc::processBatch ( )

protected

Function to pop batch from input queue, call low level lib to process and update meta data with tracking results.

processSubBatch()

void NvTrackerProc::processSubBatch ( DispatchInfo *  pDispatchInfo )

protected

Function to pop sub-batch from queue, call low level lib to process and update meta data with tracking results for the sub-batch.

queueFrames()

void NvTrackerProc::queueFrames ( const NvDsBatchMeta &  batchMeta, std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &  batchList  )

protected

Functions to process a batch.

In case the batch contains two frames with the same ssId, sort the frames based on frameNum in ascending order.

releaseConvexHullMemory()

void NvTrackerProc::releaseConvexHullMemory ( NvMOTTrackedObj *  list, const uint32_t  numAllocated  )

protected

releaseProcessMemory() [1/2]

void NvTrackerProc::releaseProcessMemory ( NvMOTProcessParams &  procInput, NvMOTTrackedObjBatch &  procResult  )

protected

Release input memory.

releaseProcessMemory() [2/2]

void NvTrackerProc::releaseProcessMemory ( NvMOTProcessParams &  procInput, NvMOTTrackedObjBatch &  procResult, uint32_t  batchSize  )

protected

removeSource()

virtual bool NvTrackerProc::removeSource ( uint32_t  sourceId, bool  removeObjectIdMapping = true  )

virtual

Tracker actions when a source is removed to the pipeline.

Implements INvTrackerProc.

removeUntrackedObjects()

void NvTrackerProc::removeUntrackedObjects ( NvDsFrameMeta *  pFrameMeta )

protected

Remove objects that don't need an ID.

resetSource()

virtual bool NvTrackerProc::resetSource ( uint32_t  sourceId )

virtual

Tracker actions when a source is reset.

Implements INvTrackerProc.

submitInput()

virtual bool NvTrackerProc::submitInput ( const InputParams &  inputParams )

virtual

Submit an input batch to tracker process queue.

Implements INvTrackerProc.

updateBatchMeta()

void NvTrackerProc::updateBatchMeta ( const NvMOTTrackedObjBatch &  procResult, const ProcParams &  procParams, std::map< SurfaceStreamId, NvDsFrameMeta * > &  frameMap  )

protected

Update batch meta with tracking results.

updateBatchReidMeta()

void NvTrackerProc::updateBatchReidMeta ( GstNvTrackerMiscDataObject *  pGstObj, ProcParams &  procParams  )

protected

Update batch reid meta.

updateFrameMeta()

void NvTrackerProc::updateFrameMeta ( NvDsFrameMeta *  pFrameMeta, const NvMOTTrackedObjList &  objList, const ProcParams &  procParams  )

protected

Update each stream's frame meta with tracking results.

updateObjectProjectionMeta()

void NvTrackerProc::updateObjectProjectionMeta ( NvDsObjectMeta *  pObjectMeta, NvMOTTrackedObj *  pTrackedObj, NvDsBatchMeta *  pBatchMeta, float  scaleWidth, float  scaleHeight  )

protected

Update each object's model projection meta.

updateObjectReidMeta()

void NvTrackerProc::updateObjectReidMeta ( NvDsObjectMeta *  pObjectMeta, NvMOTTrackedObj *  pTrackedObj, NvDsBatchMeta *  pBatchMeta  )

protected

Update each object's reid meta.

updatePastFrameMeta()

void NvTrackerProc::updatePastFrameMeta ( const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &  batchList, GstNvTrackerMiscDataObject *  pGstObj, ProcParams &  procParams  )

protected

Update past frame data.

updateShadowTrackMeta()

void NvTrackerProc::updateShadowTrackMeta ( GstNvTrackerMiscDataObject *  pGstObj, ProcParams &  procParams  )

protected

updateTerminatedTrackMeta()

void NvTrackerProc::updateTerminatedTrackMeta ( GstNvTrackerMiscDataObject *  pGstObj, ProcParams &  procParams  )

protected

updateUserMeta() [1/2]

void NvTrackerProc::updateUserMeta ( const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &  batchList, ProcParams &  procParams, NvTrackerMiscDataBuffer *  pMiscDataBuf  )

protected

Update tracker user meta.

updateUserMeta() [2/2]

void NvTrackerProc::updateUserMeta ( const std::vector< std::map< SurfaceStreamId, NvDsFrameMeta * >> &  batchList, ProcParams &  procParams, NvTrackerMiscDataBuffer *  pMiscDataBuf, TrackerMiscDataManager &  miscDataMgr  )

protected

waitForCompletion()

virtual CompletionStatus NvTrackerProc::waitForCompletion ( InputParams &  inputParams )

virtual

Wait until a batch's process is done.

Implements INvTrackerProc.

Field Documentation

m_BatchContextHandle

NvMOTContextHandle NvTrackerProc::m_BatchContextHandle = nullptr

protected

Batch dispatch to low-level tracker lib.

Definition at line 117 of file nvtracker_proc.h.

m_BatchId

BatchId NvTrackerProc::m_BatchId = 0

protected

Definition at line 109 of file nvtracker_proc.h.

m_BufQueueCond

std::condition_variable NvTrackerProc::m_BufQueueCond

protected

Definition at line 105 of file nvtracker_proc.h.

m_ClassInfoMap

std::map<int, ClassInfo> NvTrackerProc::m_ClassInfoMap

protected

Info mapped per class.

The key is class ID.

Definition at line 63 of file nvtracker_proc.h.

m_CompletionQueue

std::queue<InputParams> NvTrackerProc::m_CompletionQueue

protected

Completions.

Definition at line 168 of file nvtracker_proc.h.

m_CompletionQueueCond

std::condition_variable NvTrackerProc::m_CompletionQueueCond

protected

Definition at line 170 of file nvtracker_proc.h.

m_CompletionQueueLock

std::mutex NvTrackerProc::m_CompletionQueueLock

protected

Definition at line 169 of file nvtracker_proc.h.

m_Config

TrackerConfig NvTrackerProc::m_Config

protected

Tracker processing config.

Definition at line 79 of file nvtracker_proc.h.

m_ConvBufComplete

std::map< BatchId, bool > NvTrackerProc::m_ConvBufComplete

protected

Stores status of pending batches for buffer conversion.

Definition at line 113 of file nvtracker_proc.h.

m_ConvBufLock

std::mutex NvTrackerProc::m_ConvBufLock

protected

Definition at line 114 of file nvtracker_proc.h.

m_ConvBufMgr

ConvBufManager NvTrackerProc::m_ConvBufMgr

protected

Buffer manager for surface transformation.

Definition at line 86 of file nvtracker_proc.h.

m_DispatchMap

std::map<SubBatchId, DispatchInfo> NvTrackerProc::m_DispatchMap

protected

Mapping fron sub-batch id to corresponding thread info.

Definition at line 153 of file nvtracker_proc.h.

m_DispatchMapLock

std::mutex NvTrackerProc::m_DispatchMapLock

protected

Definition at line 154 of file nvtracker_proc.h.

m_MiscDataMgr

TrackerMiscDataManager NvTrackerProc::m_MiscDataMgr

protected

Buffer manager for misc data (user meta).

Definition at line 89 of file nvtracker_proc.h.

m_ObjectIdOffsetMap

std::map<SurfaceStreamId, guint64> NvTrackerProc::m_ObjectIdOffsetMap

protected

Object id mapping: {surface stream ID: object id offset}.

Definition at line 173 of file nvtracker_proc.h.

m_PadIndexSeqIndexMap

std::map<uint32_t, uint32_t> NvTrackerProc::m_PadIndexSeqIndexMap

protected

Pad index(Source id) mapping: {Pad index(source id): sequence index in the sub-batch}.

Definition at line 158 of file nvtracker_proc.h.

m_PendingBatch

std::map< BatchId, std::vector<SubBatchId> > NvTrackerProc::m_PendingBatch

protected

Stores batches not finishing tracker proceeding.

Definition at line 108 of file nvtracker_proc.h.

m_PendingBatchLock

std::mutex NvTrackerProc::m_PendingBatchLock

protected

Definition at line 110 of file nvtracker_proc.h.

m_ProcessBatchThread

std::thread NvTrackerProc::m_ProcessBatchThread

protected

Definition at line 118 of file nvtracker_proc.h.

m_ProcQueue

std::queue<ProcParams> NvTrackerProc::m_ProcQueue

protected

Input queue waiting for tracker proceeding.

Definition at line 102 of file nvtracker_proc.h.

m_ProcQueueCond

std::condition_variable NvTrackerProc::m_ProcQueueCond

protected

Definition at line 104 of file nvtracker_proc.h.

m_ProcQueueLock

std::mutex NvTrackerProc::m_ProcQueueLock

protected

Definition at line 103 of file nvtracker_proc.h.

m_Running

bool NvTrackerProc::m_Running = false

protected

Tracker lib is running.

Definition at line 81 of file nvtracker_proc.h.

m_SsidSubBatchMap

std::map<SurfaceStreamId, SubBatchId> NvTrackerProc::m_SsidSubBatchMap

protected

Mapping for streamID => SubBatchId.

Definition at line 156 of file nvtracker_proc.h.

m_TrackerLibDeInit

void(* NvTrackerProc::m_TrackerLibDeInit) (NvMOTContextHandle contextHandle)

protected

Low level lib deinit.

Definition at line 283 of file nvtracker_proc.h.

m_TrackerLibError

std::atomic<bool> NvTrackerProc::m_TrackerLibError

protected

Tracker lib encounters an error.

Definition at line 83 of file nvtracker_proc.h.

m_TrackerLibHandle

void* NvTrackerProc::m_TrackerLibHandle

protected

Low-level tracker lib API and support functions.

Definition at line 176 of file nvtracker_proc.h.

m_TrackerLibInit

NvMOTStatus(* NvTrackerProc::m_TrackerLibInit) (NvMOTConfig *pConfigIn, NvMOTContextHandle *pContextHandle, NvMOTConfigResponse *pConfigResponse)

protected

Tracker low level library functions.

Low level lib init.

Definition at line 279 of file nvtracker_proc.h.

m_TrackerLibProcess

NvMOTStatus(* NvTrackerProc::m_TrackerLibProcess) (NvMOTContextHandle contextHandle, NvMOTProcessParams *pParams, NvMOTTrackedObjBatch *pTrackedObjectsBatch)

protected

Low level lib process.

Definition at line 285 of file nvtracker_proc.h.

m_TrackerLibQuery

NvMOTStatus(* NvTrackerProc::m_TrackerLibQuery) (uint16_t customConfigFilePathSize, char *pCustomConfigFilePath, NvMOTQuery *pQuery)

protected

Low level lib query.

Definition at line 293 of file nvtracker_proc.h.

m_TrackerLibRemoveStreams

NvMOTStatus(* NvTrackerProc::m_TrackerLibRemoveStreams) (NvMOTContextHandle contextHandle, NvMOTStreamId streamIdMask)

protected

Low level lib remove streams.

Definition at line 297 of file nvtracker_proc.h.

m_TrackerLibRetrieveMiscData

NvMOTStatus(* NvTrackerProc::m_TrackerLibRetrieveMiscData) (NvMOTContextHandle contextHandle, NvMOTProcessParams *pParams, NvMOTTrackerMiscData *pTrackerMiscData)

protected

Low level lib process past frame.

Definition at line 289 of file nvtracker_proc.h.

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The documentation for this class was generated from the following file:

• nvtracker_proc.h