The EncoderIO class is responsible to initialize CUDA and NVidia encoder then will be responsible to submit the Pixel Buffer Object to the GPU for encoding.

Public Types
enum	DtHwEncoderFormat { UNKNOWN = 0, H264 = 1, H265 = 2 }

Public Member Functions
	DtEncoderIO (DtDe &de)

virtual	~DtEncoderIO ()

virtual void	deinitialize ()

virtual bool	initialize (const osg::ref_ptr< osg::Image > &image, unsigned int frameRate, const std::string &encodingFormat)

virtual void	submitPBO (unsigned int pboId, int width, int height, int rowSizeInBytes, unsigned int frameRate, DtEncoderIOCallback *callback)

virtual bool	registerGlResourceIfNecessary (unsigned int pboId)

Protected Member Functions
virtual void	deinitCUDA ()

virtual bool	initCUDA (const osg::ref_ptr< osg::Image > &image, unsigned int frameRate)

virtual void	deinitNVidiaEncoder ()

virtual bool	initNVidiaEncoder ()

virtual void	initFinailizeh264 (_NV_ENC_BUFFER_FORMAT bufferFormat, NV_ENC_INITIALIZE_PARAMS &encoderParams)

virtual void	initFinailizeh265 (_NV_ENC_BUFFER_FORMAT bufferFormat, NV_ENC_INITIALIZE_PARAMS &encoderParams)

virtual void	setTuningInfo (NV_ENC_TUNING_INFO tuningInfo)

virtual void	setPresetGUID (GUID preset)

virtual void	unmapDeviceBuffer ()

virtual bool	flipVertically (DtEncodeInputBuffer inputBuffer, DtRegisteredCudaGlResource val, int rowSizeInBytes, int imageHeight)

virtual bool	registerInputAndOutputResourcesIfNecessary (int width, int height, int rowSizeInBytes)

virtual DtHwEncoderFormat	toFormat (const std::string &format) const

virtual void	getEncodedPackets ()

virtual void	doWork ()

virtual void	WaitForCompletionEvent (int iEvent)

Protected Attributes
int	myCudaDeviceId

int	myHcuDevice

CUcontext	myHcuContext

std::vector< DtEncodeOutputBuffer >	myOutputBuffer

std::vector< DtEncodeInputBuffer >	myInputBuffer

void *	myNVEncoder

uint64_t	myEncodeIdx

CUdeviceptr	myCUDATempDevicePtr

unsigned int	myCUDATempDeviceSize

uint32_t	myTempStride

unsigned int	myFrameRate

DtHwEncoderFormat	myEncodingFormat

DtDe &	myDe

int	myWidth

int	myHeight

int	myToSendFrames

int	myGotFrames

std::vector< std::vector < uint8_t > >	myHwEncodedPackets

std::unordered_map< unsigned int, DtRegisteredCudaGlResource * >	myRegisteredPbos

tbb::concurrent_queue < DtEncoderSubmitPboWork >	myWork

std::thread	myWorkerThread

bool	myWorkerInitialized = false

bool	myWorkerToQuit = false

bool	myInputOutputResourcesRegistered = false

bool	myUsingAsync

std::vector< void * >	myCompletionEvent

int	myId

NV_ENC_TUNING_INFO	myTuningInfo

GUID	myPresetGUID

Static Protected Attributes
static int	theRunningId

static const int	theDebugLevel

Friends
class	DtEncoderIOGetEncodedPacketsTask

Member Enumeration Documentation

enum makVrv::DtEncoderIO::DtHwEncoderFormat

Enumerator
UNKNOWN
H264
H265

Constructor & Destructor Documentation

makVrv::DtEncoderIO::DtEncoderIO ( DtDe & de )

CTOR.

virtual makVrv::DtEncoderIO::~DtEncoderIO ( )

virtual

DTOR.

Member Function Documentation

virtual void makVrv::DtEncoderIO::deinitialize ( )

virtual

Shutdown all (CUDA / NVIDIA encoder)

virtual bool makVrv::DtEncoderIO::initialize	(	const osg::ref_ptr< osg::Image > &	image,
		unsigned int	frameRate,
		const std::string &	encodingFormat
	)

virtual

Initialize all (CUDA / NVIDIA encoder)

virtual void makVrv::DtEncoderIO::submitPBO	(	unsigned int	pboId,
		int	width,
		int	height,
		int	rowSizeInBytes,
		unsigned int	frameRate,
		DtEncoderIOCallback *	callback
	)

virtual

Submit Pixel Buffer Object.

virtual bool makVrv::DtEncoderIO::registerGlResourceIfNecessary ( unsigned int pboId )

virtual

register the input pbo with cuda if necessary

virtual void makVrv::DtEncoderIO::deinitCUDA ( )

protectedvirtual

Shutdown CUDA.

virtual bool makVrv::DtEncoderIO::initCUDA	(	const osg::ref_ptr< osg::Image > &	image,
		unsigned int	frameRate
	)

protectedvirtual

Initialize CUDA.

virtual void makVrv::DtEncoderIO::deinitNVidiaEncoder ( )

protectedvirtual

Shutdown NVIDIA encoder.

virtual bool makVrv::DtEncoderIO::initNVidiaEncoder ( )

protectedvirtual

Initialize NVIDIA encoder.

virtual void makVrv::DtEncoderIO::initFinailizeh264	(	_NV_ENC_BUFFER_FORMAT	bufferFormat,
		NV_ENC_INITIALIZE_PARAMS &	encoderParams
	)

protectedvirtual

Finalize the initialization settings for h264.

virtual void makVrv::DtEncoderIO::initFinailizeh265	(	_NV_ENC_BUFFER_FORMAT	bufferFormat,
		NV_ENC_INITIALIZE_PARAMS &	encoderParams
	)

protectedvirtual

Finalize the initialization settings for h265.

virtual void makVrv::DtEncoderIO::setTuningInfo ( NV_ENC_TUNING_INFO tuningInfo )

protectedvirtual

Set the encoding tuning information Must be called before initNVidiaEncoder See NV_ENC_TUNING_INFO for info Default NV_ENC_TUNING_INFO_ULTRA_LOW_LATENCY.

virtual void makVrv::DtEncoderIO::setPresetGUID ( GUID preset )

protectedvirtual

Performance degrades and quality improves as we move from P1 to P7. Presets P3 to P7 for H264 and Presets P2 to P7 for HEVC have B frames enabled by default for HIGH_QUALITY and LOSSLESS tuning info, and will not work with Weighted Prediction enabled. In case Weighted Prediction is required, disable B frames by setting frameIntervalP = 1 Default = NV_ENC_PRESET_P3_GUID.

virtual void makVrv::DtEncoderIO::unmapDeviceBuffer ( )

protectedvirtual

Unmap CUDA buffer.

virtual bool makVrv::DtEncoderIO::flipVertically	(	DtEncodeInputBuffer *	inputBuffer,
		DtRegisteredCudaGlResource *	val,
		int	rowSizeInBytes,
		int	imageHeight
	)

protectedvirtual

Flip the input to the encoder buffer on the device with CUDA.

virtual bool makVrv::DtEncoderIO::registerInputAndOutputResourcesIfNecessary	(	int	width,
		int	height,
		int	rowSizeInBytes
	)

protectedvirtual

virtual DtHwEncoderFormat makVrv::DtEncoderIO::toFormat ( const std::string & format ) const

protectedvirtual

helper

virtual void makVrv::DtEncoderIO::getEncodedPackets ( )

protectedvirtual

Internal function to get the encoded packets.

virtual void makVrv::DtEncoderIO::doWork ( )

protectedvirtual

This is done on another thread.

virtual void makVrv::DtEncoderIO::WaitForCompletionEvent ( int iEvent )

protectedvirtual

This function is used to wait for completion of encode command.

Friends And Related Function Documentation

friend class DtEncoderIOGetEncodedPacketsTask

friend

Member Data Documentation

int makVrv::DtEncoderIO::myCudaDeviceId

protected

CUDA device ID use for the encoding.

int makVrv::DtEncoderIO::myHcuDevice

protected

CUDA device handle.

CUcontext makVrv::DtEncoderIO::myHcuContext

protected

CUDA device context.

std::vector<DtEncodeOutputBuffer> makVrv::DtEncoderIO::myOutputBuffer

protected

std::vector<DtEncodeInputBuffer> makVrv::DtEncoderIO::myInputBuffer

protected

void* makVrv::DtEncoderIO::myNVEncoder

protected

encoding pointer

uint64_t makVrv::DtEncoderIO::myEncodeIdx

protected

encoding index

CUdeviceptr makVrv::DtEncoderIO::myCUDATempDevicePtr

protected

Temp buffer on CUDA device.

unsigned int makVrv::DtEncoderIO::myCUDATempDeviceSize

protected

CUDATempDevicePtr size.

uint32_t makVrv::DtEncoderIO::myTempStride

protected

Temp buffer on CUDA device.

unsigned int makVrv::DtEncoderIO::myFrameRate

protected

Frame Rate.

DtHwEncoderFormat makVrv::DtEncoderIO::myEncodingFormat

protected

Encoding Data format.

DtDe& makVrv::DtEncoderIO::myDe

protected

int makVrv::DtEncoderIO::myWidth

protected

int makVrv::DtEncoderIO::myHeight

protected

int makVrv::DtEncoderIO::myToSendFrames

protected

int makVrv::DtEncoderIO::myGotFrames

protected

std::vector<std::vector<uint8_t> > makVrv::DtEncoderIO::myHwEncodedPackets

protected

std::unordered_map<unsigned int, DtRegisteredCudaGlResource*> makVrv::DtEncoderIO::myRegisteredPbos

protected

This is the list of pbos registered with this encoder. It corresponds to a ring buffer of pbos on the client side (the one calling the encoder) that are reading fbo asynchronously.

tbb::concurrent_queue<DtEncoderSubmitPboWork> makVrv::DtEncoderIO::myWork

protected

This is the work queue.

std::thread makVrv::DtEncoderIO::myWorkerThread

protected

This is the worker thread which processes the work queue.

bool makVrv::DtEncoderIO::myWorkerInitialized = false

protected

Whether the worker thread has been initialized.

bool makVrv::DtEncoderIO::myWorkerToQuit = false

protected

boolean used to indicate to the worker thread that it must quit and join the main thread

bool makVrv::DtEncoderIO::myInputOutputResourcesRegistered = false

protected

The registered resources.

bool makVrv::DtEncoderIO::myUsingAsync

protected

std::vector<void*> makVrv::DtEncoderIO::myCompletionEvent

protected

int makVrv::DtEncoderIO::myId

protected

int makVrv::DtEncoderIO::theRunningId

staticprotected

NV_ENC_TUNING_INFO makVrv::DtEncoderIO::myTuningInfo

protected

GUID makVrv::DtEncoderIO::myPresetGUID

protected

const int makVrv::DtEncoderIO::theDebugLevel

staticprotected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-2-branch/include/vrvVideoStream/DtEncoderIO.h

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Friends

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation