UNPKG

@abpd2001/rpicam

Version:

A lightweight library to control CSI-2 camera modules via any raspberry pi can read camera module but is dependent to shell.

166 lines (165 loc) 9.14 kB
import type { ICameraDescriptor, ICameraOptions, ICameraStillOptions, ICameraVideoOptions, IOutputException } from "./interfaces/index"; import { ChildProcessWithoutNullStreams } from "node:child_process"; import { EventEmitter } from "node:events"; import { TASKMAN } from "./common"; declare class LiveMode extends EventEmitter { constructor(); } export declare class RPICam extends TASKMAN { private camera; private options?; private reserved; /** @type {{ id: string; pid: number }[]} */ /**@prop `tasks` is current async opreations running on camera with pid and id.*/ tasks: { id: string; pid: number; }[]; /** @type {LiveMode} */ /** @prop live streaming of camera comes to `live` event emitter of class.*/ live: LiveMode; /** * @constructor class of `RPICam`, also this constructor can wait until camera get ready. * @param {number} camera is number of camera to get in use. * @param {ICameraOptions} options is avail options and formatting and setting camera by manual and method of capturing. */ constructor(camera: number, options?: ICameraOptions); private _serveStill_params; private _serveVideo_params; /** * Reserve camera to not get in use of other process by opening a infinite and cancellable stream of recording. * @returns {Promise<IOutputException>} reservation status. */ reserve(): Promise<IOutputException>; /** * kills process of reservation of camera and make it free. * @returns {IOutputException} status of unlocking camera. */ unlockReserve(): IOutputException; /** * Check reservation of camera by this process. * @returns {boolean} is reserved or not. */ isReserved(): boolean; /** * Same as `serveStill` but is sync. * @param {string} filename is path of saving image, also is okay set it to empty string for streaming options and everything like stream should not be outputed on a file or use `serveStillCutomSync` to set everything manually. * @param {number} width (no description needed) * @param {number} height (no description needed) * @param { ICameraStillOptions & { stream?: boolean }} options of serving (full settings and options of camera and rpicam). * @returns {IOutputException} capturing status or stream event emitter output. */ serveStillSync(filename: string, width: number, height: number, options?: ICameraStillOptions & { stream?: boolean; }): IOutputException; /** * Same as `serveStillCustom` but is sync. * @param {number} width (no description needed) * @param {number} height (no description needed) * @param { ICameraStillOptions & {stream?: boolean,output?: string,format?: string}} options of serving (full settings and options of camera and rpicam). * @returns {IOutputException} capturing status or stream event emitter output. */ serveStillCustomSync(width: number, height: number, options?: ICameraStillOptions & { stream?: boolean; output?: string; format?: string; }): IOutputException; /** * Same as `serveStill` But everything except some required things must setted manually. * @param {number} width (no description needed) * @param {number} height (no description needed) * @param {string} id of task for managing. * @param { ICameraStillOptions & {stream?: boolean,output?: string,format?: string}} options of serving (full settings and options of camera and rpicam). * @returns { Promise<IOutputException>} capturing status or stream event emitter output (as a `Promise`). */ serveStillCustom(width: number, height: number, id: string, options?: ICameraStillOptions & { stream?: boolean; output?: string; format?: string; }): Promise<IOutputException>; /** * Same as `serveVideoCustom` but is sync. * @param {number} timeout of capturing or time argument of streams and other stuff needs time. * @param {number} width (no description needed) * @param {number} height (no description needed) * @param {ICameraVideoOptions & { stream?: boolean, output?: string }} options of serving (full settings and options of camera and rpicam). * @returns {IOutputException} capturing status or stream event emitter output. */ serveVideoCustomSync(timeout: number, width: number, height: number, options?: ICameraVideoOptions & { stream?: boolean; output?: string; }): IOutputException; /** * Same as `serveVideo` But everything except some required things must setted manually. * @param {number} timeout of capturing or time argument of streams and other stuff needs time. * @param {number} width (no description needed) * @param {number} height (no description needed) * @param {string} id of task for managing. * @param {ICameraVideoOptions & { stream?: boolean, output?: string }} options of serving (full settings and options of camera and rpicam). * @returns {Promise<IOutputException>} capturing status or stream event emitter output (as a `Promise`). */ serveVideoCustom(timeout: number, width: number, height: number, id: string, options?: ICameraVideoOptions & { stream?: boolean; output?: string; }): Promise<IOutputException>; /** * Takes a photo and save it into a file (powered by `rpicam-still`). * @param {string} filename is path of saving image, also is okay set it to empty string for streaming options and everything like stream should not be outputed on a file or use `serveStillCutomSync` to set everything manually. * @param {number} width of resolution. * @param {number} height of resolution. * @param {string} id of task for managing. * @param { ICameraStillOptions & { stream?: boolean }} options of serving (full settings and options of camera and rpicam). * @returns {Promise<IOutputException>} capturing status or stream event emitter output (as a `Promise`). */ serveStill(filename: string, width: number, height: number, id: string, options?: ICameraStillOptions & { stream?: boolean; }): Promise<IOutputException>; /** * Same as `serveVideo` but is sync. * @param {string} filename is path of saving video, also is okay set it to empty string for streaming options and everything like stream should not be outputed on a file or use `serveVideoCutomSync` to set everything manually. * @param {number} width of resolution. * @param {number} height of resolution. * @param { ICameraStillOptions & { stream?: boolean }} options of serving (full settings and options of camera and rpicam). * @returns {Promise<IOutputException>} capturing status or stream event emitter output. */ serveVideoSync(filename: string, timeout: number, width: number, height: number, options?: ICameraVideoOptions & { stream?: boolean; }): IOutputException; /** * Capture a video and save it into a file (powered by `rpicam-vid`). * @param {string} filename is path of saving video, also is okay set it to empty string for streaming options and everything like stream should not be outputed on a file or use `serveVideoCutomSync` to set everything manually. * @param {number} width of resolution. * @param {number} height of resolution. * @param {string} id of task for managing. * @param { ICameraStillOptions & { stream?: boolean }} options of serving (full settings and options of camera and rpicam). * @returns {Promise<IOutputException>} capturing status or stream event emitter output (as a `Promise`). */ serveVideo(filename: string, timeout: number, width: number, height: number, id: string, options?: ICameraVideoOptions & { stream?: boolean; }): Promise<IOutputException>; /** * Start a live stream, load stream to `live` property or access it via return value (is similar to event emitter, and powered by `serveVideo`). * @param width (no description needed) * @param height (no description needed) * @param id of task for managing. * @param options of serving (full settings and options of camera and rpicam). * @returns {ChildProcessWithoutNullStreams } spawn stream of node:child_process. */ serveLive(width: number, height: number, id: string, options: ICameraVideoOptions): ChildProcessWithoutNullStreams; /** * Gets list of avail camera (connected cameras). * @returns {ICameraDescriptor[]} list of cameras, must be empty if nothing connected. */ static getAvailCameras(): ICameraDescriptor[]; /** * Same as `isReady` but is sync. * @returns {Promise<boolean>} ready status by boolean. */ isReadySync(): boolean; /** * Checks is Camera ready or not by testing a simple rpicam-still on camera (purpose of testing is to check is connected okay or is free or not). * @returns {Promise<boolean>} ready status by boolean (as a`Promise`). */ isReady(): Promise<boolean>; } export {};