Table of Contents

Class NVDataUploadBlock

Namespace
VisioForge.Core.MediaBlocks.Nvidia
Assembly
VisioForge.Core.dll

NVIDIA data upload block for transferring video data from system memory to GPU. This block efficiently uploads video frames from system memory (CPU) to NVIDIA GPU memory (CUDA) for hardware-accelerated processing. It's the entry point for GPU acceleration in video pipelines, enabling subsequent GPU-based operations like encoding, decoding, effects, and transformations. Supports high-performance memory transfers with minimal CPU overhead, optimized for NVIDIA CUDA architecture. Essential for leveraging NVIDIA hardware acceleration in video processing workflows. Implements the VisioForge.Core.MediaBlocks.MediaBlock. Implements the VisioForge.Core.MediaBlocks.IMediaBlockInternals. Implements the IDisposable.

public class NVDataUploadBlock : MediaBlock, IMediaBlock, IDisposable, IMediaBlockInternals

Inheritance

Implements

Inherited Members

Extension Methods

Constructors

NVDataUploadBlock()

Initializes a new instance of the VisioForge.Core.MediaBlocks.Nvidia.NVDataUploadBlock class. Creates a CPU-to-GPU memory transfer block for NVIDIA hardware acceleration.

public NVDataUploadBlock()

Properties

Input

Gets the input.

public override MediaBlockPad Input { get; }

Property Value

MediaBlockPad

Inputs

Gets the inputs.

public override MediaBlockPad[] Inputs { get; }

Property Value

MediaBlockPad[]

Output

Gets the output.

public override MediaBlockPad Output { get; }

Property Value

MediaBlockPad

Outputs

Gets the outputs.

public override MediaBlockPad[] Outputs { get; }

Property Value

MediaBlockPad[]

Type

Gets the type.

public override MediaBlockType Type { get; }

Property Value

MediaBlockType

Methods

Build()

Constructs and initializes the NVIDIA data upload element within the pipeline. This method creates the GPU upload element, establishes input and output pads, and prepares the block for high-performance CPU-to-GPU memory transfers.

public override bool Build()

Returns

bool

true if the upload element was successfully built and configured; false if initialization failed.

CleanUp()

Releases all resources and performs cleanup operations for this NVIDIA data upload block. This method disposes of the GPU upload element and resets the build state.

public void CleanUp()

Dispose(bool)

Releases unmanaged and - optionally - managed resources.

protected override void Dispose(bool disposing)

Parameters

disposing bool

true to release both managed and unmanaged resources; false to release only unmanaged resources.

GetCore()

Gets the core BaseElement wrapper that provides additional functionality around the NVIDIA data upload element.

public BaseElement GetCore()

Returns

BaseElement

The BaseElement wrapper instance that encapsulates the GPU upload element.

GetElement()

Gets the underlying GStreamer element that performs the GPU memory upload.

public Element GetElement()

Returns

Element

The GStreamer Element instance representing the NVIDIA data uploader.

IsAvailable()

Determines whether this media block is available. Correct NuGet SDK redist should be included into your project. Checks for NVIDIA GPU hardware and required CUDA libraries.

public static bool IsAvailable()

Returns

bool

true if NVIDIA hardware acceleration is available; otherwise, false.

IMediaBlockInternals.SetContext(MediaBlocksPipeline)

Associates this NVIDIA data upload block with a pipeline and initializes its internal context. This method is called internally when the block is added to a pipeline.

void IMediaBlockInternals.SetContext(MediaBlocksPipeline pipeline)

Parameters

pipeline MediaBlocksPipeline

The MediaBlocksPipeline instance that will manage this block.

See Also