mcopy/lib/digital/index.js

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JavaScript
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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const delay_1 = require("delay");
const Log = require("log");
class Digital {
/**
*
**/
constructor(display, ffmpeg, ffprobe, ui, light) {
this.state = {
frame: 0,
frames: 0,
path: null,
fileName: null,
info: {},
dir: true,
enabled: false
};
this.display = display;
this.ffmpeg = ffmpeg;
this.ffprobe = ffprobe;
this.ui = ui;
this.light = light;
this.init();
}
/**
*
**/
async init() {
this.log = await Log({ label: 'digital' });
this.ipc = require('electron').ipcMain;
this.listen();
}
/**
*
**/
listen() {
this.ipc.on('digital', this.connectDigital.bind(this));
}
/**
*
**/
set(dir) {
this.state.dir = dir;
}
/**
*
**/
async move() {
let start = +new Date();
if (this.state.dir) {
this.state.frame++;
}
else {
this.state.frame--;
}
if (this.state.frame < 1) {
this.state.frame = 1;
}
return (+new Date()) - start;
}
/**
*
**/
async start() {
try {
await this.ffmpeg.clearAll();
}
catch (err) {
console.error(err);
throw err;
}
try {
await this.ffmpeg.frame(this.state, this.light.state);
}
catch (err) {
console.error(err);
throw err;
}
await this.display.show(this.state.frame);
await delay_1.delay(20);
}
/**
*
**/
async end() {
await delay_1.delay(20);
this.display.hide();
}
/**
* Use a file as the "digital" source on "projector"
*
**/
async connectDigital(evt, arg) {
let info;
let frames = 0;
try {
info = await this.ffprobe.info(arg.path);
}
catch (err) {
//this.log.error(err, 'DIGITAL', true, true);
this.state.enabled = false;
await this.ui.send('digital', { valid: false });
return false;
}
try {
frames = await this.ffprobe.frames(arg.path);
}
catch (err) {
this.log.error(err, 'DIGITAL', true, true);
this.state.enabled = false;
await this.ui.send('digital', { valid: false });
return false;
}
this.state.frame = 0;
this.state.path = arg.path;
this.state.fileName = arg.fileName;
this.state.frames = frames;
this.state.info = info;
this.log.info(`Opened ${this.state.fileName}`, 'DIGITAL', true, true);
this.log.info(`Frames : ${frames}`, 'DIGITAL', true, true);
this.state.enabled = true;
return await this.ui.send('digital', { valid: true, state: JSON.stringify(this.state) });
}
}
module.exports = (display, ffmpeg, ffprobe, ui, light) => {
return new Digital(display, ffmpeg, ffprobe, ui, light);
};
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