Class HWUploadCuda

Uploads frames from system memory to a CUDA device for hardware-accelerated processing.

Inheritance
object
OptionQueryableBase
FilterContext
HWUploadCuda
Implements
IAVPointer<_AVFilterContext>
Inherited Members
Namespace: FFmpeg.Filters.VideoFilters
Assembly: FFmpeg.dll
Syntax
public class HWUploadCuda : FilterContext, IOptionQueryable, ILoggingContext, IAVPointer<_AVFilterContext>, IBufferSource, IBufferSink
Remarks

The CUDA device used by the filter can be selected through the Device property. If no device is specified, FFmpeg uses its default CUDA device.

Properties

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Device

Gets or sets the index of the CUDA device used by the filter.

Declaration
public int Device { get; set; }
Property Value
Type Description
int

The zero-based index of the CUDA device to use.
Remarks

If not explicitly set, FFmpeg uses its default CUDA device.

Methods

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Allocate(string, FilterGraph)

Allocates an uninitialized HWUploadCuda filter context.

Declaration
public static HWUploadCuda Allocate(string name, FilterGraph graph)
Parameters
Type Name Description
string name

The name assigned to the filter context.
FilterGraph graph

The filter graph to which the filter belongs.
Returns
Type Description
HWUploadCuda

A newly allocated HWUploadCuda filter context.
Remarks

The returned filter is not initialized. Call Init() after configuring any desired options.

View Source

Create(string, int, FilterGraph)

Creates and initializes an HWUploadCuda filter using the specified CUDA device.

Declaration
public static HWUploadCuda Create(string name, int device, FilterGraph graph)
Parameters
Type Name Description
string name

The name assigned to the filter context.
int device

The zero-based index of the CUDA device to use.
FilterGraph graph

The filter graph to which the filter belongs.
Returns
Type Description
HWUploadCuda

An initialized HWUploadCuda filter context.

Implements

Extension Methods