PyNvCodec.CudaBuffer

class PyNvCodec.CudaBuffer

__init__(*args, **kwargs)

Methods

Clone(self)	Deep copy = CUDA mem alloc + CUDA mem copy
CopyFrom(*args, **kwargs)	Overloaded function.
GetElemSize(self)	Get size of single element in bytes
GetNumElems(self)	Get number of elements in buffer
GetRawMemSize(self)	Get size of buffer in bytes
GpuMem(self)	Get CUdeviceptr of memory allocation
Make(elem_size, num_elems, gpu_id)	Constructor method
__init__(*args, **kwargs)

Clone(self: PyNvCodec._PyNvCodec.CudaBuffer) → PyNvCodec._PyNvCodec.CudaBuffer

Deep copy = CUDA mem alloc + CUDA mem copy

CopyFrom(*args, **kwargs)

Overloaded function.

1. CopyFrom(self: PyNvCodec._PyNvCodec.CudaBuffer, other: PyNvCodec._PyNvCodec.CudaBuffer, context: int, stream: int) -> None

   Copy content of another CudaBuffer into this CudaBuffer

   param other:

   other CudaBuffer

   param context:

   CUDA context to use

   param stream:

   CUDA stream to use

2. CopyFrom(self: PyNvCodec._PyNvCodec.CudaBuffer, other: PyNvCodec._PyNvCodec.CudaBuffer, gpu_id: int) -> None

   Copy content of another CudaBuffer into this CudaBuffer

   param other:

   other CudaBuffer

   param gpu_id:

   GPU to use for memcopy

GetElemSize(self: PyNvCodec._PyNvCodec.CudaBuffer) → int

Get size of single element in bytes

GetNumElems(self: PyNvCodec._PyNvCodec.CudaBuffer) → int

Get number of elements in buffer

GetRawMemSize(self: PyNvCodec._PyNvCodec.CudaBuffer) → int

Get size of buffer in bytes

GpuMem(self: PyNvCodec._PyNvCodec.CudaBuffer) → int

Get CUdeviceptr of memory allocation

static Make(elem_size: int, num_elems: int, gpu_id: int) → PyNvCodec._PyNvCodec.CudaBuffer

Constructor method

Parameters:

• elem_size – single buffer element size in bytes

• num_elems – number of elements in buffer

• gpu_id – GPU to use for memcopy