136 lines
2.7 KiB
TypeScript
136 lines
2.7 KiB
TypeScript
'use strict';
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import { delay } from 'delay';
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import Log = require('log');
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class Digital {
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public state : any = {
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frame : 0,
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frames : 0,
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path : null,
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fileName : null,
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info : {},
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dir : true,
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enabled : false
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};
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private display : any;
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private ffmpeg : any;
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private ffprobe : any;
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private light : any;
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private ipc : any;
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private ui : any;
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private log : any;
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/**
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*
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**/
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constructor (display : any, ffmpeg : any, ffprobe : any, ui : any, light : any) {
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this.display = display;
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this.ffmpeg = ffmpeg;
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this.ffprobe = ffprobe;
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this.ui = ui;
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this.light = light;
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this.init();
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}
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/**
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*
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**/
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private async init () {
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this.log = await Log({ label : 'digital'});
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this.ipc = require('electron').ipcMain;
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this.listen();
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}
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/**
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*
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**/
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private listen () {
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this.ipc.on('digital', this.connectDigital.bind(this));
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}
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/**
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*
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**/
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public set (dir : boolean) {
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this.state.dir = dir;
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}
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/**
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*
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**/
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public async move () {
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let start : number = +new Date();
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if (this.state.dir) {
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this.state.frame++;
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} else {
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this.state.frame--;
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}
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if (this.state.frame < 1) {
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this.state.frame = 1;
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}
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return (+new Date()) - start;
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}
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/**
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*
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**/
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async start () {
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try {
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await this.ffmpeg.clearAll();
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} catch (err) {
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console.error(err);
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throw err;
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}
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try {
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await this.ffmpeg.frame(this.state, this.light.state);
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} catch (err) {
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console.error(err);
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throw err;
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}
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await this.display.show(this.state.frame);
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await delay(20);
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}
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/**
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*
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**/
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private async end () {
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await delay(20);
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this.display.hide();
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}
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/**
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* Use a file as the "digital" source on "projector"
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*
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**/
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async connectDigital (evt : any, arg : any) {
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let info;
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let frames = 0;
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try {
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info = await this.ffprobe.info(arg.path);
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} catch (err) {
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//this.log.error(err, 'DIGITAL', true, true);
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this.state.enabled = false;
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await this.ui.send('digital', { valid : false });
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return false;
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}
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try {
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frames = await this.ffprobe.frames(arg.path);
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} catch (err) {
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this.log.error(err, 'DIGITAL', true, true);
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this.state.enabled = false;
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await this.ui.send('digital', { valid : false });
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return false;
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}
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this.state.frame = 0;
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this.state.path = arg.path;
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this.state.fileName = arg.fileName;
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this.state.frames = frames;
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this.state.info = info;
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this.log.info(`Opened ${this.state.fileName}`, 'DIGITAL', true, true);
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this.log.info(`Frames : ${frames}`, 'DIGITAL', true, true);
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this.state.enabled = true;
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return await this.ui.send('digital', { valid : true, state : JSON.stringify(this.state) });
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}
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}
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module.exports = (display : any, ffmpeg : any, ffprobe : any, ui : any, light : any) => {
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return new Digital(display, ffmpeg, ffprobe, ui, light);
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} |