PyNvCodec.PySurfaceDownloader

class PyNvCodec.PySurfaceDownloader

__init__(*args, **kwargs)

Overloaded function.

1. __init__(self: PyNvCodec._PyNvCodec.PySurfaceDownloader, width: int, height: int, format: PyNvCodec._PyNvCodec.PixelFormat, gpu_id: int) -> None

   Constructor method.

   param width:

   Surface width

   param height:

   Surface height

   param format:

   Surface pixel format

   param gpu_id:

   what GPU does Surface belong to

2. __init__(self: PyNvCodec._PyNvCodec.PySurfaceDownloader, width: int, height: int, format: PyNvCodec._PyNvCodec.PixelFormat, context: int, stream: int) -> None

   Constructor method.

   param width:

   Surface width

   param height:

   Surface height

   param format:

   Surface pixel format

   param context:

   CUDA context to use for HtoD memcopy

   param stream:

   CUDA stream to use for HtoD memcopy

Methods

DownloadSingleSurface(*args, **kwargs)	Overloaded function.
Format(self)	Get pixel format.
__init__(*args, **kwargs)	Overloaded function.

DownloadSingleSurface(*args, **kwargs)

Overloaded function.

1. DownloadSingleSurface(self: PyNvCodec._PyNvCodec.PySurfaceDownloader, surface: VPF::Surface, frame: numpy.ndarray[numpy.uint8]) -> bool

   Perform DtoH memcpy.

   param src:

   input Surface

   param frame:

   output numpy array

   type frame:

   numpy.ndarray of type numpy.uint8

   return:

   True in case of success False otherwise

   rtype:

   Bool

2. DownloadSingleSurface(self: PyNvCodec._PyNvCodec.PySurfaceDownloader, surface: VPF::Surface, frame: numpy.ndarray[numpy.float32]) -> bool

   Perform DtoH memcpy.

   param src:

   input Surface

   param frame:

   output numpy array

   type frame:

   numpy.ndarray of type numpy.f

   return:

   True in case of success False otherwise

   rtype:

   Bool

3. DownloadSingleSurface(self: PyNvCodec._PyNvCodec.PySurfaceDownloader, surface: VPF::Surface, frame: numpy.ndarray[numpy.uint16]) -> bool

   Perform DtoH memcpy.

   param src:

   input Surface

   param frame:

   output numpy array

   type frame:

   numpy.ndarray of type numpy.uint16

   return:

   True in case of success False otherwise

   rtype:

   Bool

Format(self: PyNvCodec._PyNvCodec.PySurfaceDownloader) → PyNvCodec._PyNvCodec.PixelFormat

Get pixel format.