SCG82’s gists

SCG82 / array-shuffle.js

Created January 25, 2019 12:03 — forked from nikolas/array-shuffle.js

array-shuffle.js based on https://stackoverflow.com/a/12646864/173630

	const shuffleArray = function(array) {
	const a = array.slice();

	for (let i = a.length - 1; i > 0; i--) {
	const j = Math.floor(Math.random() * (i + 1));
	[a[i], a[j]] = [a[j], a[i]];
	}

	return a;
	};

SCG82 / common_h264_codec_strings_used_in_youtube__no_parsing.js

Created March 16, 2019 21:36

H.264 Codec String Parser (video, profile, level) - August 2017

	//"avcoti" hexadecimal representation of the following three bytes in the (subset) sequence parameter set Network Abstraction Layer (NAL) unit specified in AVC: 1.profile_idc, 2.the byte containing the constraint_set flags (currently constraint_set0_flag through constraint_set5_flag, and the reserved_zero_2bits), 3.level_idc.
	AVC1_CODEC_MAP = {
	,"avc1.66.30": {profile:"Baseline", level:3.0, max_bit_rate:10000} //iOS friendly variation (iOS 3.0-3.1.2)
	"avc1.42001e": {profile:"Baseline", level:3.0, max_bit_rate:10000}
	,"avc1.42001f": {profile:"Baseline", level:3.1, max_bit_rate:14000}

	//other variations
	,"avc1.77.30": {profile:"Main", level:3.0, max_bit_rate:10000} //iOS friendly variation (iOS 3.0-3.1.2)
	,"avc1.4d001e": {profile:"Main", level:3.0, max_bit_rate:10000}
	,"avc1.4d001f": {profile:"Main", level:3.1, max_bit_rate:14000}

SCG82 / basic_client.cpp

Created April 30, 2019 09:51 — forked from zaphoyd/basic_client.cpp

An example of a basic WebSocket++ client that sends a message, waits for a response, then closes the connection

	#include <websocketpp/config/asio_no_tls_client.hpp>

	#include <websocketpp/client.hpp>

	#include <iostream>

	typedef websocketpp::client<websocketpp::config::asio_client> client;

	using websocketpp::lib::placeholders::_1;
	using websocketpp::lib::placeholders::_2;

SCG82 / build-webrtc.cmd

Last active October 31, 2020 14:19

Windows 10 WebRTC Build Script. Override defaults by setting env vars: BUILD_TYPE, WEBRTC_VERSION, BRANCH_NUMBER, WEBRTC_ARGS, WEBRTC_ROOT_DIR

	@echo off
	setlocal

	set _WEBRTC_VERSION=86
	set _BRANCH_NUMBER=4240
	set _DEPOT_TOOLS_COMMIT=master

	set ARGS_RELEASE="use_rtti=true is_debug=false use_custom_libcxx=false rtc_use_h264=true ffmpeg_branding=\"Chrome\" rtc_include_tests=false rtc_build_tools=false rtc_build_examples=false"
	set ARGS_DEBUG="use_rtti=true is_debug=true use_custom_libcxx=false rtc_use_h264=true ffmpeg_branding=\"Chrome\" enable_iterator_debugging=true rtc_include_tests=false rtc_build_tools=false rtc_build_examples=false"

SCG82 / AudioCaptureModule.cc

Created February 24, 2020 23:55 — forked from mysteryjeans/AudioCaptureModule.cc

WebRTC AudioDeviceModule implementation for custom source

	/*
	* libjingle
	* Copyright 2012, Google Inc.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright notice,

SCG82 / Conductor.cc

Created February 24, 2020 23:56 — forked from mysteryjeans/Conductor.cc

WebRTC Conductor using custom Audio & Video source


	#include "audiorenderer.h"
	#include "videorenderer.h"
	#include "audiocapturemodule.h"
	#include "yuvframecapture.h"
	#include "conductor.h"

	#include "webrtc/api/test/fakeconstraints.h"
	#include "webrtc/video_encoder.h"
	#include "webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h"

SCG82 / measure_execution_time_of_code_block.cpp

Created November 10, 2020 09:35

Measure execution time of code block in C++

	#include <chrono>

	auto t1 = std::chrono::high_resolution_clock::now();

	// code to measure

	auto t2 = std::chrono::high_resolution_clock::now();

	auto dur = t2 - t1;
	cout << dur.count() / rtc::kNumNanosecsPerMicrosec;

SCG82 / obs-time-frame.lua

Last active January 8, 2021 20:35

Lua script for OBS to display current time and a frame counter in a text source

SCG82 / obs-time-frame-resolution-mfc.lua

Last active February 20, 2024 09:39

Lua script for OBS to display current time, frame counter, resolution, target fps, broadcast type in a text source

SCG82 / hdrtosdr.sh

Last active April 11, 2023 04:38

Convert HDR video to SDR with tone mapping (especially for iPhone 12)

	#!/bin/bash

	#************************************************
	# hdrtosdr.sh *
	# v1.0.0 *
	# developer: SCG82 ([email protected]) *
	#************************************************

	USAGE_S="Usage: $0 -s [start time hh:mm:ss] -e [end time hh:mm:ss] -w width -h height -p preset FILE"
	USAGE="Usage (arguments are optional): $0 -s [start time hh:mm:ss] -e [end time hh:mm:ss] -w [output width] -h [output height] -p [preset: ultrafast,superfast,veryfast,faster,fast,medium,slow,slower,veryslow,placebo] FILE"