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IStreamReader

videoioclassOpenCV 5.0.0
import { IStreamReader } from '@banou/opencv-wasm'

Use after await initOpenCV(). See the initialization and named imports guide.

ARGUMENTSConstructor or factory
CLASSIStreamReader
RETURN TYPEOwned native handle
Call structure. A void return can still write to destination arguments. The parameter descriptions define inputs, outputs and ownership.

Native object: release it with using or delete(). Factories can return null; check before calling methods.

OBSENSOR videoio_flags_others Read data stream interface

Constructors and members

clone

Create another handle to the same native object. This retains the object without copying its pixels or algorithm state; dispose both handles separately.

clone(): this;
Returns

The this result.

read

Read bytes from stream

read(buffer: number): ucharVector;
buffer

already allocated buffer of at least size bytes

Returns

actual number of read bytes Release returned native handles with using or delete(), including handles nested in results.

seek

Sets the stream position

See: fseek

seek(offset: bigint, origin: number): bigint;
offset

Seek offset

origin

SEEK_SET / SEEK_END / SEEK_CUR

Returns

The bigint result.

These signatures describe this package. Upstream documentation can mention optional backends that are absent from this build. Check runtime compatibility before choosing a backend or file format.