cv::cann Namespace Reference

Classes
class	AscendEvent
	AscendEvent to synchronize between different streams. More...
struct	AscendEventAccessor
	Class that enables getting aclrtAscendEvent from cann::AscendEvent. More...
class	AscendMat
struct	AscendPicDesc
class	AscendStream
	In AscendCL Stream(AscendStream) is a task queue. Stream is used to manage the parallelism of tasks. The tasks inside a Stream are executed sequentially, that is, the Stream executes sequentially according to the sent tasks; the tasks in different Streams are executed in parallel. More...
struct	AscendStreamAccessor
	Class that enables getting aclrtAscendStream from cann::AscendStream. More...
struct	AscendTensor
	Parameter type for call_call interfaces. More...
class	DvppOperatorDesc
	Interface for calling DVPP operator descriptors. The DVPP VPC interfaces here are all version v2. Supported devices: Atlas Inference Series products, Atlas 200/500 A2 Inference products and Atlas A2 Training Series products/Atlas 300I A2 Inference products. More...
class	OperatorRunner
	Interface to call operators in CANN package. More...

Enumerations
enum	InterpolationFlags {   INTER_NEAREST = 0 ,   INTER_LINEAR = 1 ,   INTER_CUBIC = 2 ,   INTER_AREA = 3 ,   INTER_MAX = 7 }
	interpolation algorithm More...

Functions
void	aclrtFreeWarpper (void *data)
void	aclrtMallocWarpper (void **data, size_t size)
void	aclrtMemcpy2dWarpper (std::shared_ptr< uchar > &dst, size_t offset, size_t dpitch, const void *src, size_t spitch, size_t width, size_t length, AscendStream &stream)
void	aclrtMemcpy2dWarpper (void *dst, size_t dpitch, const std::shared_ptr< uchar > &src, size_t offset, size_t spitch, size_t width, size_t length, AscendStream &stream)
void	aclrtMemcpyWarpper (std::shared_ptr< uchar > &dst, size_t dstOffset, const std::shared_ptr< uchar > &src, size_t srcOffset, size_t size, AscendStream &stream)
void	aclrtMemcpyWarpper (std::shared_ptr< uchar > &dst, size_t offset, const void *src, size_t size, AscendStream &stream)
void	aclrtMemcpyWarpper (void *dst, const std::shared_ptr< uchar > &src, size_t offset, size_t size, AscendStream &stream)
void	aclrtMemsetWarpper (std::shared_ptr< uchar > &ptr, int32_t value, size_t count, AscendStream &stream)
void	add (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	add (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	add (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), int dtype=-1, AscendStream &stream=AscendStream::Null())
	Computes a matrix-matrix or matrix-scalar sum.
void	add (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	addWeighted (const AscendMat &src1, double alpha, const AscendMat &src2, double beta, double gamma, AscendMat &dst, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	addWeighted (const InputArray src1, double alpha, const InputArray src2, double beta, double gamma, OutputArray dst, int dtype=-1, AscendStream &stream=AscendStream::Null())
	Computes the weighted sum of two arrays.
void	arithm_op (const AscendMat &src, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src, const Scalar &sc, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src, float scalar, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const Scalar &sc, const AscendMat &src, AscendMat &dst, const char *op, AscendStream &stream)
void	bitwise_and (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_and (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_and (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	Performs a per-element bitwise conjunction of two matrices (or of matrix and scalar).
void	bitwise_and (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_not (const AscendMat &src, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_not (const InputArray src, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	Performs a per-element bitwise inversion.
void	bitwise_or (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_or (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_or (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	Performs a per-element bitwise disjunction of two matrices (or of matrix and scalar).
void	bitwise_or (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	Performs a per-element bitwise exclusive or operation of two matrices (or of matrix and scalar).
void	bitwise_xor (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	checkAclError (aclError err, const char *file, const int line, const char *func)
void	checkAclPtr (void *ptr, const char *file, const int line, const char *func)
void	copyMakeBorder (const AscendMat &src, AscendMat &dst, int top, int bottom, int left, int right, int borderType, const Scalar &value=Scalar())
void	copyMakeBorder (const InputArray src, OutputArray dst, int top, int bottom, int left, int right, int borderType, const Scalar &value=Scalar())
	Forms a border and fills it with specified bordertype around the copy of input image.
void	crop (const AscendMat &src, AscendMat &dst, const AscendMat &sizeSrcNpu, int64_t *offset, AscendStream &stream)
AscendMat	crop (const AscendMat &src, const Rect &rect, AscendStream &stream=AscendStream::Null())
AscendMat	crop (InputArray src, const Rect &rect, AscendStream &stream=AscendStream::Null())
	crop a 2D array. The function crops the matrix by given cv::Rect. Output matrix must be of the same depth as input one, size is specified by given rect size.
void	cropResize (const AscendMat &src, AscendMat &dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation)
void	cropResize (const InputArray src, OutputArray dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation)
	crop a sub image from a big one, and resize it to certain size.
void	cropResizeMakeBorder (const AscendMat &src, AscendMat &dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation, int top, int left, const int borderType, Scalar value=Scalar())
void	cropResizeMakeBorder (const InputArray src, OutputArray dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation, int top, int left, const int borderType, Scalar value=Scalar())
	crop a sub image from a big one, resize it to certain size, and form the top/left border and fills it with specified bordertype.
void	cvtColor (const AscendMat &src, AscendMat &dst, int code, int dstCn=0, AscendStream &stream=AscendStream::Null())
void	cvtColor (const InputArray src, OutputArray dst, int code, int dstCn=0, AscendStream &stream=AscendStream::Null())
	Converts an image from one color space to another.
void	divide (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	divide (const AscendMat &src1, const Scalar &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	divide (const InputArray src1, const InputArray src2, OutputArray dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
	Computes a matrix-matrix or matrix-scalar division.
void	divide (const Scalar &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	finalizeAcl ()
	finalize AscendCL.
void	finalizeDvpp ()
	finalize DVPP system.
void	flip (const AscendMat &src, AscendMat &dst, int flipCode, AscendStream &stream=AscendStream::Null())
void	flip (const AscendMat &src, std::vector< int32_t > &asixs, AscendMat &dst, AscendStream &stream)
void	flip (InputArray src, OutputArray dst, int flipCode, AscendStream &stream=AscendStream::Null())
	Flips a 2D matrix around vertical, horizontal, or both axes.
aclDataType	getACLType (int opencvdepth)
	Type mapping between opencv and cann.
int32_t	getDevice ()
	Get current Ascend device.
AscendMat	getInputMat (InputArray src, AscendStream &stream)
	Get Ascend matrix object from Input array, upload matrix memory if need. (Non-Blocking call)
AscendMat	getOutputMat (OutputArray dst, int rows, int cols, int type, AscendStream &stream)
	Get Ascend matrix object from Output array, upload matrix memory if need.
void	initAcl ()
	init AscendCL.
void	initDvpp ()
	init DVPP system.
template<typename KERNEL_TYPE , typename TILING_TYPE , typename... ARGS>
void	kernel_launch (KERNEL_TYPE kernel, AscendStream &stream, TILING_TYPE &tiling, ARGS... args)
std::shared_ptr< uchar >	mallocAndUpload (const void *data, size_t size, AscendStream &stream, AscendMat::Allocator *allocator)
	Malloc and upload raw data to devices.
void	merge (const AscendMat *src, size_t n, AscendMat &dst, AscendStream &stream=AscendStream::Null())
	Makes a multi-channel matrix out of several single-channel matrices.
void	merge (const AscendMat *src, size_t n, OutputArray &dst, AscendStream &stream=AscendStream::Null())
void	merge (const std::vector< AscendMat > &src, AscendMat &dst, AscendStream &stream=AscendStream::Null())
void	merge (const std::vector< AscendMat > &src, OutputArray &dst, AscendStream &stream=AscendStream::Null())
void	multiply (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	multiply (const AscendMat &src1, const Scalar &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	multiply (const InputArray src1, const InputArray src2, OutputArray dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
	Computes a matrix-matrix or matrix-scalar per-element product.
void	multiply (const Scalar &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	resetDevice ()
	Clear all context created in current Ascend device.
void	resize (const AscendMat &src, AscendMat &dst, int32_t *dstSize, int interpolation, AscendStream &stream)
void	resize (const AscendMat &src, AscendMat &dst, Size dsize, double fx, double fy, int interpolation, AscendStream &stream=AscendStream::Null())
void	resize (InputArray src, OutputArray dst, Size dsize, double fx, double fy, int interpolation, AscendStream &stream=AscendStream::Null())
	Resizes an image src down to or up to the specified size.
void	rotate (const AscendMat &src, AscendMat &dst, int rotateMode, AscendStream &stream=AscendStream::Null())
void	rotate (InputArray src, OutputArray dst, int rotateCode, AscendStream &stream=AscendStream::Null())
	Rotates a 2D array in multiples of 90 degrees. The function cv::rotate rotates the array in one of three different ways: Rotate by 90 degrees clockwise (rotateCode = ROTATE_90_CLOCKWISE). Rotate by 180 degrees clockwise (rotateCode = ROTATE_180). Rotate by 270 degrees clockwise (rotateCode = ROTATE_90_COUNTERCLOCKWISE).
void	setDevice (int device)
	Choose Ascend npu device.
void	split (const AscendMat &src, AscendMat *dst, AscendStream &stream=AscendStream::Null())
	Copies each plane of a multi-channel matrix into an array.
void	split (const AscendMat &src, std::vector< AscendMat > &dst, AscendStream &stream=AscendStream::Null())
void	split (const InputArray src, AscendMat *dst, AscendStream &stream=AscendStream::Null())
void	split (const InputArray src, std::vector< AscendMat > &dst, AscendStream &stream=AscendStream::Null())
void	subtract (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	subtract (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	subtract (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), int dtype=-1, AscendStream &stream=AscendStream::Null())
	Computes a matrix-matrix or matrix-scalar difference.
void	subtract (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	syncOutput (const AscendMat &dst, OutputArray _dst, AscendStream &stream)
	Sync output matrix to Output array, download matrix memory if need.
double	threshold (const AscendMat &src, AscendMat &dst, double thresh, double maxval, int type, AscendStream &stream=AscendStream::Null())
double	threshold (const InputArray src, OutputArray dst, double thresh, double maxval, int type, AscendStream &stream=AscendStream::Null())
	Applies a fixed-level threshold to each array element.
void	transData (const AscendMat &src, AscendMat &dst, const char *from, const char *to, AscendStream &stream)
void	transpose (const AscendMat &src, AscendMat &dst, AscendStream &stream=AscendStream::Null())
void	transpose (const AscendMat &src, int64_t *perm, AscendMat &dst, AscendStream &stream)
void	transpose (InputArray src, OutputArray dst, AscendStream &stream=AscendStream::Null())
	Transposes a matrix.
void	vpcCopyMakeBorderWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, uint32_t *taskID, int *offsets, int bordertype, Scalar value)
void	vpcCropResizeMakeBorderWarpper (hi_vpc_chn chnId, std::vector< AscendPicDesc > &inPicDesc, std::vector< AscendPicDesc > &outPicDesc, int cnt, uint32_t *taskID, const Rect &rect, Size dsize, int interpolation, const int borderType, Scalar scalarV, int top, int left)
void	vpcCropResizeWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, int cnt, uint32_t *taskID, const Rect &rect, Size dsize, int interpolation)
void	vpcResizeWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, int interpolation, uint32_t *taskID)
AscendStream	wrapStream (size_t AscendStreamAddress)
	Bindings overload to create a Stream object from the address stored in an existing CANN Runtime API stream pointer (aclrtStream).

Function Documentation

aclrtFreeWarpper()

void cv::cann::aclrtFreeWarpper

(

void *

data

)

aclrtMallocWarpper()

void cv::cann::aclrtMallocWarpper	(	void **	data,
		size_t	size
	)

aclrtMemcpy2dWarpper() [1/2]

void cv::cann::aclrtMemcpy2dWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	offset,
		size_t	dpitch,
		const void *	src,
		size_t	spitch,
		size_t	width,
		size_t	length,
		AscendStream &	stream
	)

aclrtMemcpy2dWarpper() [2/2]

void cv::cann::aclrtMemcpy2dWarpper	(	void *	dst,
		size_t	dpitch,
		const std::shared_ptr< uchar > &	src,
		size_t	offset,
		size_t	spitch,
		size_t	width,
		size_t	length,
		AscendStream &	stream
	)

aclrtMemcpyWarpper() [1/3]

void cv::cann::aclrtMemcpyWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	dstOffset,
		const std::shared_ptr< uchar > &	src,
		size_t	srcOffset,
		size_t	size,
		AscendStream &	stream
	)

aclrtMemcpyWarpper() [2/3]

void cv::cann::aclrtMemcpyWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	offset,
		const void *	src,
		size_t	size,
		AscendStream &	stream
	)

aclrtMemcpyWarpper() [3/3]

void cv::cann::aclrtMemcpyWarpper	(	void *	dst,
		const std::shared_ptr< uchar > &	src,
		size_t	offset,
		size_t	size,
		AscendStream &	stream
	)

aclrtMemsetWarpper()

void cv::cann::aclrtMemsetWarpper	(	std::shared_ptr< uchar > &	ptr,
		int32_t	value,
		size_t	count,
		AscendStream &	stream
	)

arithm_op() [1/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream
	)

arithm_op() [2/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		const Scalar &	sc,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream
	)

arithm_op() [3/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		float	scalar,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream
	)

arithm_op() [4/5]

void cv::cann::arithm_op	(	const AscendMat &	src1,
		const AscendMat &	src2,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream
	)

arithm_op() [5/5]

void cv::cann::arithm_op	(	const Scalar &	sc,
		const AscendMat &	src,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream
	)

checkAclError()

void cv::cann::checkAclError	(	aclError	err,
		const char *	file,
		const int	line,
		const char *	func
	)

checkAclPtr()

void cv::cann::checkAclPtr	(	void *	ptr,
		const char *	file,
		const int	line,
		const char *	func
	)

crop()

void cv::cann::crop	(	const AscendMat &	src,
		AscendMat &	dst,
		const AscendMat &	sizeSrcNpu,
		int64_t *	offset,
		AscendStream &	stream
	)

flip()

void cv::cann::flip	(	const AscendMat &	src,
		std::vector< int32_t > &	asixs,
		AscendMat &	dst,
		AscendStream &	stream
	)

getACLType()

aclDataType cv::cann::getACLType

(

int

opencvdepth

)

Type mapping between opencv and cann.

kernel_launch()

template<typename KERNEL_TYPE , typename TILING_TYPE , typename... ARGS>

void cv::cann::kernel_launch	(	KERNEL_TYPE	kernel,
		AscendStream &	stream,
		TILING_TYPE &	tiling,
		ARGS...	args
	)

Here is the call graph for this function:

mallocAndUpload()

std::shared_ptr< uchar > cv::cann::mallocAndUpload	(	const void *	data,
		size_t	size,
		AscendStream &	stream,
		AscendMat::Allocator *	allocator
	)

Malloc and upload raw data to devices.

resize()

void cv::cann::resize	(	const AscendMat &	src,
		AscendMat &	dst,
		int32_t *	dstSize,
		int	interpolation,
		AscendStream &	stream
	)

transData()

void cv::cann::transData	(	const AscendMat &	src,
		AscendMat &	dst,
		const char *	from,
		const char *	to,
		AscendStream &	stream
	)

transpose()

void cv::cann::transpose	(	const AscendMat &	src,
		int64_t *	perm,
		AscendMat &	dst,
		AscendStream &	stream
	)

vpcCopyMakeBorderWarpper()

void cv::cann::vpcCopyMakeBorderWarpper	(	hi_vpc_chn	chnId,
		hi_vpc_pic_info &	inPic,
		hi_vpc_pic_info &	outPic,
		uint32_t *	taskID,
		int *	offsets,
		int	bordertype,
		Scalar	value
	)

vpcCropResizeMakeBorderWarpper()

void cv::cann::vpcCropResizeMakeBorderWarpper	(	hi_vpc_chn	chnId,
		std::vector< AscendPicDesc > &	inPicDesc,
		std::vector< AscendPicDesc > &	outPicDesc,
		int	cnt,
		uint32_t *	taskID,
		const Rect &	rect,
		Size	dsize,
		int	interpolation,
		const int	borderType,
		Scalar	scalarV,
		int	top,
		int	left
	)

vpcCropResizeWarpper()

void cv::cann::vpcCropResizeWarpper	(	hi_vpc_chn	chnId,
		hi_vpc_pic_info &	inPic,
		hi_vpc_pic_info &	outPic,
		int	cnt,
		uint32_t *	taskID,
		const Rect &	rect,
		Size	dsize,
		int	interpolation
	)

vpcResizeWarpper()

void cv::cann::vpcResizeWarpper ( hi_vpc_chn  chnId, hi_vpc_pic_info &  inPic, hi_vpc_pic_info &  outPic, int  interpolation, uint32_t *  taskID  )

inline