Building your own video devices

BUILDING OWN VIDEO DEVICE - CHALLENGES AND

ACHIEVEMENTSOlga Khylkouskaya

Sr. Software Engineer at CrowdOptic

LIVE DEMO

stdbuf -i0 -o0 -e0 /opt/vc/bin/raspivid -n -w $HRESOLUTION -h $VRESOLUTION -fps 25 $HFLIP $VFLIP -t 0 -b $BITRATE -o - | /usr/local/bin/ffmpeg -y -ss 0.5 -r 25 -i pipe: -an -c:v copy -r 25 -bufsize 64k -f 

rtp rtp://$SERVER_ADDRESS:$PORT?pkt_size=1200

• PACERS NEWS VIDEO HTTP://WWW.CROWDOPTIC.COM/FILES/ABC_PACERS_GLASS/• CROWDOPTIC CLUSTERS  WHAT IS A CLUSTER LIVE ARCHIVE 

HTTP://WWW.CROWDOPTIC.COM/FILES/CROWDOPTICCLUSTERS/• LONDON OVERVIEW HTTP://WWW.CROWDOPTIC.COM/FILES/CURATION/• DISRUPT VIDEO - SCOBLE ARCHIVE INTERVIEW HTTP://WWW.CROWDOPTIC.COM/FILES/DISRUPTSF/• STANFORD HANGOUT ON AIR HTTP://WWW.CROWDOPTIC.COM/FILES/MAPLESTESTLARGE_10-15/• SAVEMART 350 APP DEMO NEW SIGNAL HTTP://WWW.CROWDOPTIC.COM/FILES/NEWSIGNAL/• ZOOM DEMO HTTP://WWW.CROWDOPTIC.COM/FILES/ZOOM2/• JABBER INTEGRATION HTTP://WWW.CROWDOPTIC.COM/FILES/JABBERDEMO/

Our story is great. However, to achieve that success we had to overcome several challenges

1Always think about testing and tools to fix a problem

immediately.

2Non critical features shouldn’t cause you software to

fail.

3Isolate features using a property

4Always extract whatever possible to a property file.

5Always release to part of the devices, not all of them.

6Using standard ports like 443, 80 will simplify your life

a lot!

7No backdoors at all cost

1Always think about testing and tools to fix the problem

immediately.

8Avoid false security strengthening actions.

?key=23sfd!&key2=56l..

9Use third-party software wisely

10Don’t forget about community

Q&A