kevinGodell

<?xml version="1.0" encoding="utf-8"?>
<MPD xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="urn:mpeg:dash:schema:mpd:2011"
	xmlns:xlink="http://www.w3.org/1999/xlink"
	xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd"
	profiles="urn:mpeg:dash:profile:isoff-live:2011"
	type="dynamic"
	minimumUpdatePeriod="PT3S"
	suggestedPresentationDelay="PT3S"
	availabilityStartTime="2017-10-04T03:31:48"

kevinGodell

Live streaming mpeg-dash video using ffmpeg and dash.js

Use ffmpeg to connect to an ip cctv camera and create video files on the fly that can be viewed in an mpeg-dash compatible browser using dash.js and an html5 video element.

Prerequisites

A linux server, such as Ubuntu

Apache web server installed, running, and reachable via its ip address

kevinGodell

#!/bin/bash

# profiles: main main10 mainstillpicture msp main-intra main10-intra main444-8 main444-intra main444-stillpicture main422-10 main422-10-intra main444-10 main444-10-intra main12 main12-intra main422-12 main422-12-intra main444-12 main444-12-intra main444-16-intra main444-16-stillpicture
# levels : 1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2, 8.5

# https://www.bento4.com/documentation/mp4info/

# https://stackoverflow.com/a/2033417/8965434
# create 100mb ram disk on mac
# hdiutil attach -nomount ram://$((2 * 1024 * 100))

kevinGodell

#!/bin/bash
# convert, encrypt, decrypt, probe

echo "Hello ffmpeg mp4 encryption!"

echo -e "\n---------- convert wav to mp4 ----------\n"

ffmpeg -y -i long_input_44100.wav long_input_44100.mp4

echo -e "\n---------- encrypt mp4 ----------\n"

kevinGodell

Raspberry Pi 4 Model B Rev 1.1 (4GB)

ffmpeg hardware decoding experiment

modifications (needed for hardware decoding multiple video streams)

• gpu_mem=512 was set in /boot/config.txt

dependencies

• mp4frag (used for parsing the piped mp4 from ffmpeg)
• pipe2jpeg (used for parsing the piped jpeg from ffmpeg)

description

kevinGodell

var mediaJSON = { "categories" : [ { "name" : "Movies",
        "videos" : [ 
		    { "description" : "Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps... and the rabbit ain't no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.\n\nLicensed under the Creative Commons Attribution license\nhttp://www.bigbuckbunny.org",
              "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4" ],
              "subtitle" : "By Blender Foundation",
              "thumb" : "images/BigBuckBunny.jpg",
              "title" : "Big Buck Bunny"
            },
            { "description" : "The first Blender Open Movie from 2006",
              "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4" ],

kevinGodell

language: node_js
node_js: node
os:
  - linux
  - osx
sudo: required
dist: trusty
before_install:
  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo add-apt-repository -y ppa:mc3man/trusty-media; fi
  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo apt-get update; fi

kevinGodell

image: Visual Studio 2017

environment:
  ffmpeg_download: https://ffmpeg.zeranoe.com/builds/
  matrix:
    - platform: x64
      nodejs_version: LTS
      ffmpeg_version: 3.4.1
      ffmpeg_platform: win64

kevinGodell

// memdjpeg - A super simple example of how to decode a jpeg in memory
// Kenneth Finnegan, 2012
// blog.thelifeofkenneth.com
//
// After installing jpeglib, compile with:
// cc memdjpeg.c -ljpeg -o memdjpeg
//
// Run with:
// ./memdjpeg filename.jpg
//

kevinGodell

// Shinobi (http://shinobi.video) - FFMPEG H.264 over HTTP Test
// How to Use raw H.264 (Simulated RTSP)
// 1. Start with `node ffmpegToWeb.js`
// 2. Get the IP address of the computer where you did step 1. Example : 127.0.0.1
// 3. Open VLC and "Open Network Stream".
// 4. Input the following without quotes : `http://127.0.0.1:8001/h264` and start.

var child = require('child_process');
var io = require('socket.io');
var events = require('events');