Detailed Description

Sample implementation of the custom library.

Definition at line 65 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Inheritance diagram for SampleAlgorithm:

Collaboration diagram for SampleAlgorithm:

[legend]

Public Member Functions
	SampleAlgorithm ()
	Constructor. More...

void	Initialize ()
	Initialize the custom library. More...

virtual bool	SetInitParams (DSCustom_CreateParams *params)
	Set initialization parameters. More...

virtual bool	SetProperty (Property &prop)
	Set custom properties of the library. More...

virtual bool	HandleEvent (GstEvent *event)
	Handle GStreamer events. More...

virtual char *	QueryProperties ()
	Query properties. More...

virtual BufferResult	ProcessBuffer (GstBuffer *inbuf)
	Process incoming buffer. More...

virtual GstCaps *	GetCompatibleCaps (GstPadDirection direction, GstCaps in_caps, GstCaps othercaps)
	Get compatible caps. More...

	~SampleAlgorithm ()
	Destructor. More...

	SampleAlgorithm ()
	Constructor. More...

void	Initialize ()
	Initialize the custom library. More...

virtual bool	SetInitParams (DSCustom_CreateParams *params)
	Set initialization parameters. More...

virtual bool	SetProperty (Property &prop)
	Set custom properties of the library. More...

virtual bool	HandleEvent (GstEvent *event)
	Handle GStreamer events. More...

virtual char *	QueryProperties ()
	Query properties. More...

virtual BufferResult	ProcessBuffer (GstBuffer *inbuf)
	Process incoming buffer. More...

virtual GstCaps *	GetCompatibleCaps (GstPadDirection direction, GstCaps in_caps, GstCaps othercaps)
	Get compatible caps. More...

	~SampleAlgorithm ()
	Destructor. More...

NvBufSurface *	getNvBufSurface (GstBuffer *inbuf)

NvBufSurface *	getNvBufSurface (GstBuffer *inbuf)

GstBufferPool *	CreateBufferPool (BufferPoolConfig pool_config, GstCaps outcaps)

GstBufferPool *	CreateBufferPool (BufferPoolConfig pool_config, GstCaps outcaps)

Data Fields
gboolean	hw_caps
	Hardware capabilities flag. More...

guint	source_id = 0
	Source ID. More...

guint	m_FrameNum = 0
	Frame number (increments for all frames including skipped) More...

guint	m_ProcessedFrameNum = 0
	Processed frame number (only increments for actually processed frames) More...

guint	m_DumpedFrameNum = 0
	Dumped frame number. More...

bool	m_TransformMode = false
	Transform mode flag. More...

GstBufferPool *	m_dsBufferPool = NULL
	DeepStream buffer pool. More...

GstBufferPool *	m_swbufpool = NULL
	Software buffer pool. More...

guint	swbuffersize
	Software buffer size. More...

NvBufSurfTransformConfigParams	m_ConfigParams
	Transform config parameters. More...

void *	m_scratchNvBufSurface = NULL
	Scratch NvBufSurface. More...

int	dump_max_frames = 5
	Maximum frames to dump. More...

bool	m_dummyMetaInsert = false
	Dummy metadata insertion flag. More...

bool	m_fillDummyBatchMeta = false
	Fill dummy batch metadata flag. More...

ConfigProperties	m_ConfigProperties
	Structure to store all configuration properties loaded from YAML config file. More...

std::unique_ptr< ConfigParser >	m_configParser
	Config parser. More...

bool	m_CustomConfigLoaded = false
	Custom config loaded flag. More...

std::vector< Property >	m_VectorProperty
	Vector containing key:value pair of custom lib properties. More...

PrettyLogger *	m_Logger

std::vector< std::string >	m_SensorNames

TensorCache *	m_TensorCache

std::unique_ptr< TensorRTEngine >	m_TensorRTEngine

std::map< std::string, Matrix4f >	m_CameraProjectionMatrices

std::map< std::string, Matrix4f >	m_CameraTransformedProjectionMatrices

bool	m_eosReceived = false

GstBaseTransform *	m_element

guint	m_gpuId
	GPU ID on which we expect to execute the algorithm. More...

GstVideoInfo	m_inVideoInfo

GstVideoInfo	m_outVideoInfo

GstVideoFormat	m_inVideoFmt

GstVideoFormat	m_outVideoFmt

GstCaps *	m_inCaps

GstCaps *	m_outCaps

Constructor & Destructor Documentation

◆ SampleAlgorithm() [1/2]

SampleAlgorithm::SampleAlgorithm ( )

inline

Constructor.

Definition at line 71 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

References Initialize(), m_CustomConfigLoaded, m_Logger, m_SensorNames, m_TensorCache, and m_VectorProperty.

◆ ~SampleAlgorithm() [1/2]

SampleAlgorithm::~SampleAlgorithm ( )

Destructor.

◆ SampleAlgorithm() [2/2]

SampleAlgorithm::SampleAlgorithm ( )

inline

Constructor.

Definition at line 71 of file 9.2/sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

References Initialize(), m_CustomConfigLoaded, m_Logger, m_SensorNames, m_TensorCache, and m_VectorProperty.

◆ ~SampleAlgorithm() [2/2]

SampleAlgorithm::~SampleAlgorithm ( )

Destructor.

Member Function Documentation

◆ CreateBufferPool() [1/2]

GstBufferPool * DSCustomLibraryBase::CreateBufferPool	(	BufferPoolConfig *	pool_config,
		GstCaps *	outcaps
	)

inherited

Definition at line 193 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

References BufferPoolConfig::batch_size, BufferPoolConfig::cuda_mem_type, BufferPoolConfig::gpu_id, gst_nvds_buffer_pool_new(), BufferPoolConfig::max_buffers, and TRUE.

◆ CreateBufferPool() [2/2]

GstBufferPool* DSCustomLibraryBase::CreateBufferPool	(	BufferPoolConfig *	pool_config,
		GstCaps *	outcaps
	)

inherited

◆ GetCompatibleCaps() [1/2]

virtual GstCaps* SampleAlgorithm::GetCompatibleCaps	(	GstPadDirection	direction,
		GstCaps *	in_caps,
		GstCaps *	othercaps
	)

virtual

Get compatible caps.

Parameters

direction	Pad direction
in_caps	Input caps
othercaps	Other caps

Returns: GstCaps* Compatible caps

Reimplemented from DSCustomLibraryBase.

◆ GetCompatibleCaps() [2/2]

virtual GstCaps* SampleAlgorithm::GetCompatibleCaps	(	GstPadDirection	direction,
		GstCaps *	in_caps,
		GstCaps *	othercaps
	)

virtual

Get compatible caps.

Parameters

direction	Pad direction
in_caps	Input caps
othercaps	Other caps

Returns: GstCaps* Compatible caps

Reimplemented from DSCustomLibraryBase.

◆ getNvBufSurface() [1/2]

NvBufSurface* DSCustomLibraryBase::getNvBufSurface ( GstBuffer * inbuf )

inherited

◆ getNvBufSurface() [2/2]

NvBufSurface * DSCustomLibraryBase::getNvBufSurface ( GstBuffer * inbuf )

inherited

Definition at line 231 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

References DSCustomLibraryBase::m_element.

◆ HandleEvent() [1/2]

virtual bool SampleAlgorithm::HandleEvent ( GstEvent * event )

virtual

Handle GStreamer events.

Parameters

event GStreamer event

Returns: true if successful, false otherwise

Implements DSCustomLibraryBase.

◆ HandleEvent() [2/2]

virtual bool SampleAlgorithm::HandleEvent ( GstEvent * event )

virtual

Handle GStreamer events.

Parameters

event GStreamer event

Returns: true if successful, false otherwise

Implements DSCustomLibraryBase.

◆ Initialize() [1/2]

void SampleAlgorithm::Initialize ( )

Initialize the custom library.

◆ Initialize() [2/2]

void SampleAlgorithm::Initialize ( )

Initialize the custom library.

Referenced by SampleAlgorithm().

◆ ProcessBuffer() [1/2]

virtual BufferResult SampleAlgorithm::ProcessBuffer ( GstBuffer * inbuf )

virtual

Process incoming buffer.

Parameters

inbuf Input GStreamer buffer

Returns: BufferResult Result of processing

Implements DSCustomLibraryBase.

◆ ProcessBuffer() [2/2]

virtual BufferResult SampleAlgorithm::ProcessBuffer ( GstBuffer * inbuf )

virtual

Process incoming buffer.

Parameters

inbuf Input GStreamer buffer

Returns: BufferResult Result of processing

Implements DSCustomLibraryBase.

◆ QueryProperties() [1/2]

virtual char* SampleAlgorithm::QueryProperties ( )

virtual

Query properties.

Returns: Char pointer to properties string

Implements DSCustomLibraryBase.

◆ QueryProperties() [2/2]

virtual char* SampleAlgorithm::QueryProperties ( )

virtual

Query properties.

Returns: Char pointer to properties string

Implements DSCustomLibraryBase.

◆ SetInitParams() [1/2]

virtual bool SampleAlgorithm::SetInitParams ( DSCustom_CreateParams * params )

virtual

Set initialization parameters.

Parameters

params Creation parameters

Returns: true if successful, false otherwise

Reimplemented from DSCustomLibraryBase.

◆ SetInitParams() [2/2]

virtual bool SampleAlgorithm::SetInitParams ( DSCustom_CreateParams * params )

virtual

Set initialization parameters.

Parameters

params Creation parameters

Returns: true if successful, false otherwise

Reimplemented from DSCustomLibraryBase.

◆ SetProperty() [1/2]

virtual bool SampleAlgorithm::SetProperty ( Property & prop )

virtual

Set custom properties of the library.

Parameters

prop	Property to set

Returns: true if successful, false otherwise

Implements DSCustomLibraryBase.

◆ SetProperty() [2/2]

virtual bool SampleAlgorithm::SetProperty ( Property & prop )

virtual

Set custom properties of the library.

Parameters

prop	Property to set

Returns: true if successful, false otherwise

Implements DSCustomLibraryBase.

Field Documentation

◆ dump_max_frames

int SampleAlgorithm::dump_max_frames = 5

Maximum frames to dump.

Definition at line 179 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ hw_caps

gboolean SampleAlgorithm::hw_caps

Hardware capabilities flag.

Definition at line 145 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_CameraProjectionMatrices

std::map< std::string, Matrix4f > SampleAlgorithm::m_CameraProjectionMatrices

Definition at line 204 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_CameraTransformedProjectionMatrices

std::map< std::string, Matrix4f > SampleAlgorithm::m_CameraTransformedProjectionMatrices

Definition at line 207 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_ConfigParams

NvBufSurfTransformConfigParams SampleAlgorithm::m_ConfigParams

Transform config parameters.

Definition at line 173 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_configParser

std::unique_ptr< ConfigParser > SampleAlgorithm::m_configParser

Config parser.

Definition at line 187 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_ConfigProperties

ConfigProperties SampleAlgorithm::m_ConfigProperties

Structure to store all configuration properties loaded from YAML config file.

Definition at line 186 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_CustomConfigLoaded

bool SampleAlgorithm::m_CustomConfigLoaded = false

Custom config loaded flag.

Definition at line 188 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Referenced by SampleAlgorithm().

◆ m_dsBufferPool

GstBufferPool * SampleAlgorithm::m_dsBufferPool = NULL

DeepStream buffer pool.

Definition at line 169 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_dummyMetaInsert

bool SampleAlgorithm::m_dummyMetaInsert = false

Dummy metadata insertion flag.

Definition at line 182 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_DumpedFrameNum

guint SampleAlgorithm::m_DumpedFrameNum = 0

Dumped frame number.

Definition at line 165 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_element

GstBaseTransform * DSCustomLibraryBase::m_element

inherited

Definition at line 72 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::GetCompatibleCaps(), DSCustomLibraryBase::getNvBufSurface(), and DSCustomLibraryBase::SetInitParams().

◆ m_eosReceived

bool SampleAlgorithm::m_eosReceived = false

Definition at line 210 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_fillDummyBatchMeta

bool SampleAlgorithm::m_fillDummyBatchMeta = false

Fill dummy batch metadata flag.

Definition at line 183 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_FrameNum

guint SampleAlgorithm::m_FrameNum = 0

Frame number (increments for all frames including skipped)

Definition at line 163 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_gpuId

guint DSCustomLibraryBase::m_gpuId

inherited

GPU ID on which we expect to execute the algorithm.

Definition at line 75 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::DSCustomLibraryBase(), and DSCustomLibraryBase::SetInitParams().

◆ m_inCaps

GstCaps * DSCustomLibraryBase::m_inCaps

inherited

Definition at line 90 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::DSCustomLibraryBase(), and DSCustomLibraryBase::SetInitParams().

◆ m_inVideoFmt

GstVideoFormat DSCustomLibraryBase::m_inVideoFmt

inherited

Definition at line 86 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::SetInitParams().

◆ m_inVideoInfo

GstVideoInfo DSCustomLibraryBase::m_inVideoInfo

inherited

Definition at line 82 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::SetInitParams().

◆ m_Logger

PrettyLogger * SampleAlgorithm::m_Logger

Definition at line 192 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Referenced by SampleAlgorithm().

◆ m_outCaps

GstCaps * DSCustomLibraryBase::m_outCaps

inherited

Definition at line 91 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::DSCustomLibraryBase(), and DSCustomLibraryBase::SetInitParams().

◆ m_outVideoFmt

GstVideoFormat DSCustomLibraryBase::m_outVideoFmt

inherited

Definition at line 87 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::SetInitParams().

◆ m_outVideoInfo

GstVideoInfo DSCustomLibraryBase::m_outVideoInfo

inherited

Definition at line 83 of file sources/gst-plugins/gst-nvdsvideotemplate/includes/nvdscustomlib_base.hpp.

Referenced by DSCustomLibraryBase::SetInitParams().

◆ m_ProcessedFrameNum

guint SampleAlgorithm::m_ProcessedFrameNum = 0

Processed frame number (only increments for actually processed frames)

Definition at line 164 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_scratchNvBufSurface

void * SampleAlgorithm::m_scratchNvBufSurface = NULL

Scratch NvBufSurface.

Definition at line 175 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_SensorNames

std::vector< std::string > SampleAlgorithm::m_SensorNames

Definition at line 195 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Referenced by SampleAlgorithm().

◆ m_swbufpool

GstBufferPool * SampleAlgorithm::m_swbufpool = NULL

Software buffer pool.

Definition at line 170 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_TensorCache

TensorCache * SampleAlgorithm::m_TensorCache

Definition at line 198 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Referenced by SampleAlgorithm().

◆ m_TensorRTEngine

std::unique_ptr< TensorRTEngine > SampleAlgorithm::m_TensorRTEngine

Definition at line 201 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_TransformMode

bool SampleAlgorithm::m_TransformMode = false

Transform mode flag.

Definition at line 166 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ m_VectorProperty

std::vector< Property > SampleAlgorithm::m_VectorProperty

Vector containing key:value pair of custom lib properties.

Definition at line 189 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

Referenced by SampleAlgorithm().

◆ source_id

guint SampleAlgorithm::source_id = 0

Source ID.

Definition at line 162 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

◆ swbuffersize

guint SampleAlgorithm::swbuffersize

Software buffer size.

Definition at line 171 of file sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h.

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

sources/gst-plugins/gst-nvdsvideotemplate/ds-sparse4d/customlib_impl.h


NVIDIA DeepStream SDK API Reference	9.2 Release

NVIDIA DeepStream SDK API Reference

9.2 Release

Detailed Description

Public Member Functions

Data Fields

Constructor & Destructor Documentation

◆ SampleAlgorithm() [1/2]

◆ ~SampleAlgorithm() [1/2]

◆ SampleAlgorithm() [2/2]

◆ ~SampleAlgorithm() [2/2]

Member Function Documentation

◆ CreateBufferPool() [1/2]

◆ CreateBufferPool() [2/2]

◆ GetCompatibleCaps() [1/2]

◆ GetCompatibleCaps() [2/2]

◆ getNvBufSurface() [1/2]

◆ getNvBufSurface() [2/2]

◆ HandleEvent() [1/2]

◆ HandleEvent() [2/2]

◆ Initialize() [1/2]

◆ Initialize() [2/2]

◆ ProcessBuffer() [1/2]

◆ ProcessBuffer() [2/2]

◆ QueryProperties() [1/2]

◆ QueryProperties() [2/2]

◆ SetInitParams() [1/2]

◆ SetInitParams() [2/2]

◆ SetProperty() [1/2]

◆ SetProperty() [2/2]

Field Documentation

◆ dump_max_frames

◆ hw_caps

◆ m_CameraProjectionMatrices

◆ m_CameraTransformedProjectionMatrices

◆ m_ConfigParams

◆ m_configParser

◆ m_ConfigProperties

◆ m_CustomConfigLoaded

◆ m_dsBufferPool

◆ m_dummyMetaInsert

◆ m_DumpedFrameNum

◆ m_element

◆ m_eosReceived

◆ m_fillDummyBatchMeta

◆ m_FrameNum

◆ m_gpuId

◆ m_inCaps

◆ m_inVideoFmt

◆ m_inVideoInfo

◆ m_Logger

◆ m_outCaps

◆ m_outVideoFmt

◆ m_outVideoInfo

◆ m_ProcessedFrameNum

◆ m_scratchNvBufSurface

◆ m_SensorNames

◆ m_swbufpool

◆ m_TensorCache

◆ m_TensorRTEngine

◆ m_TransformMode

◆ m_VectorProperty

◆ source_id

◆ swbuffersize