cnglish cnglish

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

Build FFmpeg with Intel's QSV enablement on an Intel-based validation test-bed:

Build platform: Ubuntu 18.04LTS

Ensure the platform is up to date:

sudo apt update && sudo apt -y upgrade && sudo apt -y dist-upgrade

Install baseline dependencies first (inclusive of OpenCL headers+)

Set up Django, Nginx and Gunicorn in a Virtualenv controled by Supervisor

Steps with explanations to set up a server using:

Virtualenv
Virtualenvwrapper
Django
Gunicorn

	adb help // List all comands

	== Adb Server
	adb kill-server
	adb start-server

	== Adb Reboot
	adb reboot
	adb reboot recovery
	adb reboot-bootloader

	Set the SVN_EDITOR var:
	# export SVN_EDITOR=vim

	==================================
	SETTING UP A NEW SVN PROJECT
	==================================
	Create a new SVN "repo" (aka folder):
	(NOTE: https is required for our new SVN, as well as --username)
	# svn mkdir https://some/url/path/to/newRepo --username first.last

	#!/bin/bash

	# sector_list sample as below:
	# 0
	# 512
	# 4087578
	# 4087579
	# 6324224
	#
	# You should build a sector_list firstly, and then execute this script to catch the files