aslushnikov

import pptr from 'puppeteer';
import http from 'http';

const createServer = (port, handler) => {
  const server = http.createServer(handler);
  return new Promise(x => server.listen(port, x));
};

// 1. Create a server that serves the main page.
// NOTE: this page will create an EventSource to the `/sse` endpoint, but this server DOES NOT

aslushnikov

Here is a list of os-release values in all kinds of different distributions.

	NAME	VERSION	ID	VERSION_ID	PLATFORM_ID	VARIANT	VARIANT_ID	BUILD_ID	ID_LIKE	PRETTY_NAME	HOME_URL	SUPPORT_URL	BUG_REPORT_URL	VERSION_CODENAME	UBUNTU_CODENAME	PRIVACY_POLICY_URL	ANSI_COLOR	LOGO	CPE_NAME	DOCUMENTATION_URL	REDHAT_BUGZILLA_PRODUCT	REDHAT_BUGZILLA_PRODUCT_VERSION	REDHAT_SUPPORT_PRODUCT	REDHAT_SUPPORT_PRODUCT_VERSION	CENTOS_MANTISBT_PROJECT	CENTOS_MANTISBT_PROJECT_VERSION
Ubuntu 14.04	Ubuntu	14.04.6 LTS, Trusty Tahr	ubuntu	14.04					debian	Ubuntu 14.04.6 LTS	http://www.ubuntu.com/	http://help.ubuntu.com/	http://bugs.launchpad.net/ubuntu/
Ubuntu 16.04	Ubuntu	16.04.7 LTS (Xenial Xerus)	ubuntu	16.04					debian	Ubuntu 16.

aslushnikov

task1: setimmediate
task2: setimmediate
task1: promise resolved

aslushnikov

const playwright = require('.');
const path = require('path');
const fs = require('fs');

(async () => {
  const browser = await playwright.chromium.launch({
    _videosPath: __dirname,
  });
  const context = await browser.newContext({
    _recordVideos: {width: 320, height: 240},

aslushnikov

Windows: Compiling FFMPEG 4.3.1 with only LIBVPX and a few filters

My goal was to compile minimal FFMPEG binary on Windows with the following properties:

• is statically-linked
• has jpeg decoder
• has vp8 encoder
• has a few enabled filters
• both win32 and win64

Here's my log as of September 3, 2020.

aslushnikov

[FAILED] Cross-compiling ffmpeg for Windows

UPDATE: this attempt failed :( Resulting binary doesn't support vp8 encoding.

I tried cross-compiling ffmpeg for windows on Sep 1, 2020 Cross-compiling ffmpeg for Windows seems to be very plausible, according to the documentation at https://trac.ffmpeg.org/wiki/CompilationGuide/CrossCompilingForWindows

I decided to use https://github.com/rdp/ffmpeg-windows-build-helpers. I tried using it on Mac 10.15, but unfortunately it failed for me.

aslushnikov

Compiling minimal FFMPEG on Mac OS 10.15

Recording my steps to build minimal ffmpeg on September 1, 2020.

I mostly followed steps at https://trac.ffmpeg.org/wiki/CompilationGuide/macOS

1. Clone repo & checkout release tag (we're building release v4.3.1)

~$ git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg

aslushnikov

aslushnikov:~/prog/playwright(master)$ FFPATH=$FF xvfb-run --auto-servernum npm run ftest

> playwright-internal@1.3.0-post ftest /home/aslushnikov/prog/playwright
> cross-env BROWSER=firefox node test/runner test/

(node:5569) UnhandledPromiseRejectionWarning: /home/aslushnikov/prog/playwright/test/.browsercontext-cookies.spec.ts.swp:1
b0VIM 8.0
      ^^^

SyntaxError: Unexpected number

aslushnikov

function callMethod(methods, attributes, callback, methodName, methodValue) {
  methods = new Map(methods);
  methods.set(methodName, methodValue);
  return createProxy({methods, attributes}, callback);
}

function setAttribute(methods, attributes, callback, attributeName) {
  attributes = new Map(attributes);
  attributes.set(attributeName, true);
  return createProxy({methods, attributes}, callback);

aslushnikov

> playwright-internal@1.3.0-post ftest /Users/aslushnikov/prog/playwright
> cross-env BROWSER=firefox jest "page-wait-for-navigation.spec.js"

  console.error
    Using executable at /Users/aslushnikov/firefox/obj-build-playwright/dist/Nightly.app/Contents/MacOS/firefox

      73 |       executablePath = process.env.WKPATH;
      74 |     if (executablePath)
    > 75 |       console.error(`Using executable at ${executablePath}`);