Bertrand Berthelot
Research And Development Engineer at Broadpeak
Brittany, France
Summary
🤩
Rockstar🎓
Top SchoolBertrand Berthelot is a research and development engineer with over 15 years focused on video streaming technologies, currently advancing R&D at Broadpeak after a long tenure at Orange where he led development of an HTML5 cross-browser adaptive streaming player and founded the open-source hasplayer.js project. He blends deep standardization experience (MPEG, DVB) and patent-backed research with hands-on engineering across HLS, DASH, CMAF, low-latency streaming and DRM for TV and OTT platforms. Comfortable from C/C++ system tooling to modern JavaScript/TypeScript stacks and smart TV/edge player deployments, he anticipates and prototypes emerging features to bridge research and production. Based in Brittany, France, he pairs academic training in imaging and telecommunications with a pragmatic track record of shipping resilient media players and contributing to community projects like dash.js.
11 years of coding experience
25 years of employment as a software developer
DUT Genie Electrique et Informatique Industrielle, DUT Genie Electrique et Informatique Industrielle at IUT de RennesDiplôme d'ingénieur Informatique et téléCommunications, Imagerie Numérique, Diplôme d'ingénieur Informatique et téléCommunications, Imagerie Numérique at ESIR - Ecole Supérieure d'ingénieurs de Rennes
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (86)
mss10
drm10
streaming10
javascript10
http-live-streaming10
stream10
playback10
hls-stream10
mediasource10
video-streaming10
html5-video10
eme10
mpeg-dash10
vod10
offline-mode10
Programming languages (4)
Github contributions (5)
Orange-OpenSource/adsplayer.js
Nov 2016 - Feb 2022
Plugin/module for hasplayer.js (https://github.com/Orange-OpenSource/hasplayer.js) that handles ad-insertion when playing streams with hasplayer.js client.
Contributions:3 releases, 36 PRs, 138 pushes in 5 years 3 months
js-clientorangeseekinsertionjavascript
Broadpeak-tv/dash.js
Dec 2022 - Feb 2025
A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
Contributions:51 pushes, 36 branches, 7 tags in 2 years 3 months
dashbrowserscompliantjavascriptmp4
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.