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node-av / lib/native-types / NativeHardwareFramesContext

Interface: NativeHardwareFramesContext ​

Defined in: src/lib/native-types.ts:900

Internal

Native AVHWFramesContext binding interface

Hardware frames context for hardware acceleration. Direct mapping to FFmpeg's AVHWFramesContext.

Extends ​

  • Disposable

Properties ​

__brand ​

readonly __brand: "NativeHardwareFramesContext"

Defined in: src/lib/native-types.ts:901

deviceRef ​

readonly deviceRef: NativeHardwareDeviceContext | null

Defined in: src/lib/native-types.ts:903

format ​

format: AVPixelFormat

Defined in: src/lib/native-types.ts:904

height ​

height: number

Defined in: src/lib/native-types.ts:907

initialPoolSize ​

initialPoolSize: number

Defined in: src/lib/native-types.ts:908

swFormat ​

swFormat: AVPixelFormat

Defined in: src/lib/native-types.ts:905

width ​

width: number

Defined in: src/lib/native-types.ts:906

Methods ​

[dispose]() ​

[dispose](): void

Defined in: src/lib/native-types.ts:920

Returns ​

void

Overrides ​

Disposable.[dispose]

alloc() ​

alloc(device): void

Defined in: src/lib/native-types.ts:910

Parameters ​

device ​

NativeHardwareDeviceContext

Returns ​

void

createDerived() ​

createDerived(format, derivedDevice, source, flags?): number

Defined in: src/lib/native-types.ts:917

Parameters ​

format ​

AVPixelFormat

derivedDevice ​

NativeHardwareDeviceContext

source ​

NativeHardwareFramesContext

flags? ​

number

Returns ​

number

free() ​

free(): void

Defined in: src/lib/native-types.ts:918

Returns ​

void

getBuffer() ​

getBuffer(frame, flags?): number

Defined in: src/lib/native-types.ts:912

Parameters ​

frame ​

NativeFrame

flags? ​

number

Returns ​

number

init() ​

init(): number

Defined in: src/lib/native-types.ts:911

Returns ​

number

map() ​

map(dst, src, flags?): number

Defined in: src/lib/native-types.ts:916

Parameters ​

dst ​

NativeFrame

src ​

NativeFrame

flags? ​

number

Returns ​

number

transferData() ​

transferData(dst, src, flags?): Promise<number>

Defined in: src/lib/native-types.ts:913

Parameters ​

dst ​

NativeFrame

src ​

NativeFrame

flags? ​

number

Returns ​

Promise<number>

transferDataSync() ​

transferDataSync(dst, src, flags?): number

Defined in: src/lib/native-types.ts:914

Parameters ​

dst ​

NativeFrame

src ​

NativeFrame

flags? ​

number

Returns ​

number

transferGetFormats() ​

transferGetFormats(direction): number | AVPixelFormat[]

Defined in: src/lib/native-types.ts:915

Parameters ​

direction ​

AVHWFrameTransferDirection

Returns ​

number | AVPixelFormat[]