PyNvCodec.PyCudaBufferDownloader

class PyNvCodec.PyCudaBufferDownloader

__init__(*args, **kwargs)

Overloaded function.

1. __init__(self: PyNvCodec._PyNvCodec.PyCudaBufferDownloader, elem_size: int, num_elems: int, gpu_id: int) -> None

   Constructor method.

   param elem_size:

   single buffer element size in bytes

   param num_elems:

   number of elements in buffer

   param gpu_id:

   GPU to use for memcopy

2. __init__(self: PyNvCodec._PyNvCodec.PyCudaBufferDownloader, elem_size: int, num_elems: int, context: int, stream: int) -> None

   Constructor method.

   param elem_size:

   single buffer element size in bytes

   param num_elems:

   number of elements in buffer

   param context:

   CUDA context to use

   param stream:

   CUDA stream to use

Methods

DownloadSingleCudaBuffer(self, buffer, array)	Perform DtoH memcopy.
__init__(*args, **kwargs)	Overloaded function.

DownloadSingleCudaBuffer(self: PyNvCodec._PyNvCodec.PyCudaBufferDownloader, buffer: PyNvCodec._PyNvCodec.CudaBuffer, array: numpy.ndarray[numpy.uint8]) → bool

Perform DtoH memcopy.

Parameters:

• buffer – input CUDA buffer

• array – output numpy array

Returns:

True in case of success, False otherwise