Detailed Description

Tracker process class.

Definition at line 30 of file nvtracker_proc.h.

Inheritance diagram for NvTrackerProc:

Collaboration diagram for NvTrackerProc:

[legend]

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...

typedef uint32_t	SeqIndex
	Sequence index in a sub-batch. 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...

bool	mapStreamToSubBatch (SurfaceStreamId ssId, uint32_t pad_index, bool dynamicSubBatching)
	Fuction to map a stream with a specific (SurfaceStreamId, pad_index) to a sub-batch. 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...

bool	initTrackerQuery (const std::vector< NvMOTContextHandle > &contextHandleList)
	Initialize parameter query from low-level tracker lib. More...

bool	initTrackerQuery (const NvMOTContextHandle &contextHandleList, uint32_t sbId)
	Initialize parameter query from low-level tracker lib for a single sub-batch. 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 from sub-batch id to corresponding thread info. More...

std::mutex	m_DispatchMapLock

std::map< SurfaceStreamId, SubBatchId >	m_SsidSubBatchMap
	Mapping for SurfaceStreamId => SubBatchId. More...

std::map< uint32_t, SeqIndex >	m_PadIndexSeqIndexMap
	Pad index(Source id) mapping: {Pad index(source id): sequence index in the sub-batch}. More...

std::map< SubBatchId, std::map< SeqIndex, std::pair< SurfaceStreamId, uint32_t > > >	m_SubBatchAllocationMap
	For dynamic/run-time mapping of source id(pad index) to sub-batches; maintain and update a map of allocations. More...

uint32_t	m_MaxSubBatchSize = 0
	Max sub-batch size. 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...

std::map< uint32_t, SurfaceStreamId >	m_PadIndexSsidMap
	Pad index to surface stream ID mapping. 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 67 of file nvtracker_proc.h.

◆ SeqIndex

typedef uint32_t NvTrackerProc::SeqIndex

protected

Sequence index in a sub-batch.

i.e. "seq_index" in "NvMOTFrame"

Definition at line 80 of file nvtracker_proc.h.

◆ StreamId

typedef uint32_t NvTrackerProc::StreamId

protected

Source stream ID.

Definition at line 74 of file nvtracker_proc.h.

◆ SubBatchId

typedef uint32_t NvTrackerProc::SubBatchId

protected

sub-batch ID.

Definition at line 78 of file nvtracker_proc.h.

◆ SurfaceId

typedef uint32_t NvTrackerProc::SurfaceId

protected

Surface type ID.

Definition at line 76 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 72 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 297 of file nvtracker_proc.h.

◆ getSurfaceId()

SurfaceId NvTrackerProc::getSurfaceId ( SurfaceStreamId ssId )

inlineprotected

Definition at line 298 of file nvtracker_proc.h.

◆ getSurfaceStreamId()

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

inlineprotected

Getter.

Definition at line 295 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.

◆ initTrackerQuery() [1/2]

bool NvTrackerProc::initTrackerQuery	(	const NvMOTContextHandle &	contextHandleList,
		uint32_t	sbId
	)

protected

Initialize parameter query from low-level tracker lib for a single sub-batch.

Required when reinitializing a sub-batch

◆ initTrackerQuery() [2/2]

bool NvTrackerProc::initTrackerQuery ( const std::vector< NvMOTContextHandle > & contextHandleList )

protected

Initialize parameter query from low-level tracker lib.

◆ mapStreamToSubBatch()

bool NvTrackerProc::mapStreamToSubBatch	(	SurfaceStreamId	ssId,
		uint32_t	pad_index,
		bool	dynamicSubBatching
	)

protected

Fuction to map a stream with a specific (SurfaceStreamId, pad_index) to a sub-batch.

The mapping happens only the first time when a stream arrives and is stored in m_SsidSubBatchMap

◆ 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 120 of file nvtracker_proc.h.

◆ m_BatchId

BatchId NvTrackerProc::m_BatchId = 0

protected

Definition at line 112 of file nvtracker_proc.h.

◆ m_BufQueueCond

std::condition_variable NvTrackerProc::m_BufQueueCond

protected

Definition at line 108 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 64 of file nvtracker_proc.h.

◆ m_CompletionQueue

std::queue<InputParams> NvTrackerProc::m_CompletionQueue

protected

Completions.

Definition at line 193 of file nvtracker_proc.h.

◆ m_CompletionQueueCond

std::condition_variable NvTrackerProc::m_CompletionQueueCond

protected

Definition at line 195 of file nvtracker_proc.h.

◆ m_CompletionQueueLock

std::mutex NvTrackerProc::m_CompletionQueueLock

protected

Definition at line 194 of file nvtracker_proc.h.

◆ m_Config

TrackerConfig NvTrackerProc::m_Config

protected

Tracker processing config.

Definition at line 82 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 116 of file nvtracker_proc.h.

◆ m_ConvBufLock

std::mutex NvTrackerProc::m_ConvBufLock

protected

Definition at line 117 of file nvtracker_proc.h.

◆ m_ConvBufMgr

ConvBufManager NvTrackerProc::m_ConvBufMgr

protected

Buffer manager for surface transformation.

Definition at line 89 of file nvtracker_proc.h.

◆ m_DispatchMap

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

protected

Mapping from sub-batch id to corresponding thread info.

Definition at line 160 of file nvtracker_proc.h.

◆ m_DispatchMapLock

std::mutex NvTrackerProc::m_DispatchMapLock

protected

Definition at line 161 of file nvtracker_proc.h.

◆ m_MaxSubBatchSize

uint32_t NvTrackerProc::m_MaxSubBatchSize = 0

protected

Max sub-batch size.

Definition at line 178 of file nvtracker_proc.h.

◆ m_MiscDataMgr

TrackerMiscDataManager NvTrackerProc::m_MiscDataMgr

protected

Buffer manager for misc data (user meta).

Definition at line 92 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 198 of file nvtracker_proc.h.

◆ m_PadIndexSeqIndexMap

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

protected

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

Usage : This mapping is used for every input frame to fill "seq_index" value in "NvMOTFrame" before being passed to the low level tracker for processing

Definition at line 169 of file nvtracker_proc.h.

◆ m_PadIndexSsidMap

std::map<uint32_t, SurfaceStreamId> NvTrackerProc::m_PadIndexSsidMap

protected

Pad index to surface stream ID mapping.

Used in source removal

Definition at line 200 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 111 of file nvtracker_proc.h.

◆ m_PendingBatchLock

std::mutex NvTrackerProc::m_PendingBatchLock

protected

Definition at line 113 of file nvtracker_proc.h.

◆ m_ProcessBatchThread

std::thread NvTrackerProc::m_ProcessBatchThread

protected

Definition at line 121 of file nvtracker_proc.h.

◆ m_ProcQueue

std::queue<ProcParams> NvTrackerProc::m_ProcQueue

protected

Input queue waiting for tracker proceeding.

Definition at line 105 of file nvtracker_proc.h.

◆ m_ProcQueueCond

std::condition_variable NvTrackerProc::m_ProcQueueCond

protected

Definition at line 107 of file nvtracker_proc.h.

◆ m_ProcQueueLock

std::mutex NvTrackerProc::m_ProcQueueLock

protected

Definition at line 106 of file nvtracker_proc.h.

◆ m_Running

bool NvTrackerProc::m_Running = false

protected

Tracker lib is running.

Definition at line 84 of file nvtracker_proc.h.

◆ m_SsidSubBatchMap

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

protected

Mapping for SurfaceStreamId => SubBatchId.

Usage : Everytime a new batch arrives, this mapping is used to find the SubBatchId that should be used to process each frame in the batch based on the SurfaceStreamId of the frame

Definition at line 165 of file nvtracker_proc.h.

◆ m_SubBatchAllocationMap

std::map<SubBatchId, std::map<SeqIndex, std::pair<SurfaceStreamId, uint32_t> > > NvTrackerProc::m_SubBatchAllocationMap

protected

For dynamic/run-time mapping of source id(pad index) to sub-batches; maintain and update a map of allocations.

map <sub-batch id, map <seq index, pair <SurfaceStreamId, pad index > >> Usage : Keeps a track of used <SubBatchId, SeqIndex> slot Whenever a new source is added, it is assigned to a <SubBatchId, SeqIndex> pair and accordingly m_SubBatchAllocationMap is updated Similarly, when a source is removed, the corresponding entry is deleted from m_SubBatchAllocationMap

Definition at line 176 of file nvtracker_proc.h.

◆ m_TrackerLibDeInit

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

protected

Low level lib deinit.

Definition at line 316 of file nvtracker_proc.h.

◆ m_TrackerLibError

std::atomic<bool> NvTrackerProc::m_TrackerLibError

protected

Tracker lib encounters an error.

Definition at line 86 of file nvtracker_proc.h.

◆ m_TrackerLibHandle

void* NvTrackerProc::m_TrackerLibHandle

protected

Low-level tracker lib API and support functions.

Definition at line 204 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 312 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 318 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 326 of file nvtracker_proc.h.

◆ m_TrackerLibRemoveStreams

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

protected

Low level lib remove streams.

Definition at line 330 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 322 of file nvtracker_proc.h.

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

nvtracker_proc.h


NVIDIA DeepStream SDK API Reference	7.1 Release

NVIDIA DeepStream SDK API Reference

7.1 Release

Detailed Description

Data Structures

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Member Typedef Documentation

◆ BatchId

◆ SeqIndex

◆ StreamId

◆ SubBatchId

◆ SurfaceId

◆ SurfaceStreamId

Constructor & Destructor Documentation

◆ NvTrackerProc()

◆ ~NvTrackerProc()

Member Function Documentation

◆ addSource()

◆ allocateConvexHullMemory()

◆ allocatePastFrameMemory()

◆ allocateProcessMemory() [1/2]

◆ allocateProcessMemory() [2/2]

◆ clipBBox()

◆ deInit()

◆ deInitConvBufPool()

◆ deInitMiscDataPool()

◆ deInitTrackerLib()

◆ dispatchSubBatches()

◆ fillMOTFrame()

◆ flushReqs()

◆ getStreamId()

◆ getSurfaceId()

◆ getSurfaceStreamId()

◆ init()

◆ initConvBufPool()

◆ initMiscDataPool()

◆ initTrackerContext()

◆ initTrackerLib()

◆ initTrackerQuery() [1/2]

◆ initTrackerQuery() [2/2]

◆ mapStreamToSubBatch()

◆ objectIdMapping()

◆ processBatch()

◆ processSubBatch()

◆ queueFrames()

◆ releaseConvexHullMemory()

◆ releaseProcessMemory() [1/2]

◆ releaseProcessMemory() [2/2]

◆ removeSource()

◆ removeUntrackedObjects()

◆ resetSource()

◆ submitInput()

◆ updateBatchMeta()

◆ updateBatchReidMeta()

◆ updateFrameMeta()

◆ updateObjectProjectionMeta()

◆ updateObjectReidMeta()

◆ updatePastFrameMeta()

◆ updateShadowTrackMeta()

◆ updateTerminatedTrackMeta()

◆ updateUserMeta() [1/2]

◆ updateUserMeta() [2/2]

◆ waitForCompletion()

Field Documentation

◆ m_BatchContextHandle

◆ m_BatchId

◆ m_BufQueueCond

◆ m_ClassInfoMap

◆ m_CompletionQueue

◆ m_CompletionQueueCond

◆ m_CompletionQueueLock

◆ m_Config

◆ m_ConvBufComplete

◆ m_ConvBufLock

◆ m_ConvBufMgr

◆ m_DispatchMap

◆ m_DispatchMapLock

◆ m_MaxSubBatchSize