awscdk-construct-pipeline-pause-scheduler
Version:
CDK Construct for toggling MediaLive pipeline pause/unpause
51 lines (50 loc) • 1.83 kB
TypeScript
import type { Logger } from "@smithy/types";
import { ByteArrayCollector } from "./ByteArrayCollector";
export type BufferStore = [string, ByteArrayCollector, ByteArrayCollector?];
export type BufferUnion = string | Uint8Array;
export type Modes = 0 | 1 | 2;
/**
* @internal
* @param upstream - any ReadableStream.
* @param size - byte or character length minimum. Buffering occurs when a chunk fails to meet this value.
* @param logger - for emitting warnings when buffering occurs.
* @returns another stream of the same data, but buffers chunks until
* the minimum size is met, except for the last chunk.
*/
export declare function createBufferedReadableStream(upstream: ReadableStream, size: number, logger?: Logger): ReadableStream;
/**
* Replaces R/RS polymorphic implementation in environments with only ReadableStream.
* @internal
*/
export declare const createBufferedReadable: typeof createBufferedReadableStream;
/**
* @internal
* @param buffers
* @param mode
* @param chunk
* @returns the new buffer size after merging the chunk with its appropriate buffer.
*/
export declare function merge(buffers: BufferStore, mode: Modes, chunk: string | Uint8Array): number;
/**
* @internal
* @param buffers
* @param mode
* @returns the buffer matching the mode.
*/
export declare function flush(buffers: BufferStore, mode: Modes | -1): BufferUnion;
/**
* @internal
* @param chunk
* @returns size of the chunk in bytes or characters.
*/
export declare function sizeOf(chunk?: {
byteLength?: number;
length?: number;
}): number;
/**
* @internal
* @param chunk - from upstream Readable.
* @param allowBuffer - allow mode 2 (Buffer), otherwise Buffer will return mode 1.
* @returns type index of the chunk.
*/
export declare function modeOf(chunk: BufferUnion, allowBuffer?: boolean): Modes | -1;