OpenCV  5.0.0alpha
Open Source Computer Vision
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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< ucharmallocAndUpload (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