PyNvCodec.PyFfmpegDecoder

class PyNvCodec.PyFfmpegDecoder

__init__(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder, input: str, opts: Dict[str, str], gpu_id: int = 0) → None

Constructor method.

Parameters:

• input – path to input file

• opts – AVDictionary options that will be passed to AVFormat context.

Methods

Codec(self)	Return video codec used in encoded video stream.
ColorRange(self)	Get color range information stored in video file.
ColorSpace(self)	Get color space information stored in video file.
DecodeSingleFrame(self, frame)	Decode single video frame from input file.
DecodeSingleSurface(self)	Decode single video frame from input file and upload to GPU memory.
Format(self)	Return encoded video file pixel format.
Framerate(self)	Return encoded video file framerate.
GetMotionVectors(self)	Return motion vectors of last decoded video frame.
Height(self)	Return encoded video file height in pixels.
Width(self)	Return encoded video file width in pixels.
__init__(self, input, opts[, gpu_id])	Constructor method.

Codec(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → PyNvCodec._PyNvCodec.CudaVideoCodec

Return video codec used in encoded video stream.

ColorRange(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → PyNvCodec._PyNvCodec.ColorRange

Get color range information stored in video file. Please not that some video containers may not store this information.

Returns:

color range information

ColorSpace(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → PyNvCodec._PyNvCodec.ColorSpace

Get color space information stored in video file. Please not that some video containers may not store this information.

Returns:

color space information

DecodeSingleFrame(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder, frame: numpy.ndarray[numpy.uint8]) → bool

Decode single video frame from input file.

Parameters:

frame – decoded video frame

Returns:

True in case of success, False otherwise

DecodeSingleSurface(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → VPF::Surface

Decode single video frame from input file and upload to GPU memory.

Returns:

Surface allocated in GPU memory. It’s Empty() in case of failure,

non-empty otherwise.

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

Return encoded video file pixel format.

Framerate(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → float

Return encoded video file framerate.

GetMotionVectors(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → numpy.ndarray[PyNvCodec._PyNvCodec.MotionVector]

Return motion vectors of last decoded video frame.

Returns:

numpy array with motion vectors.

Height(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → int

Return encoded video file height in pixels.

Width(self: PyNvCodec._PyNvCodec.PyFfmpegDecoder) → int

Return encoded video file width in pixels.