About

I’m Alastor Wu, a software engineer working at Mozilla. I work on things related with media playback on Firefox. In my spare time, I do bouldering, writing music related articles and reviews as well as composing music.

Work Experience

Senior Software Engineer @ Mozilla, Portland, US

March 2020 - present
Allowed users to control media playback via media keys on all platforms
Implemented and integrated Media Session API into the media control system

Software Engineer @ Mozilla, Portland, US

July 2018 - March 2020
Implemented blocking autoplay to help reducing annoying autoplay video or ads
Improved Firefox WebVTT module to achieve the best WebVTT standardized support among different browsers
Improved WebRTC call CPU usage on MacOS by introducing a way to utilize hardware encoder

Software Engineer @ Mozilla, Taipei, Taiwan

Sep 2014 - Jan 2018
Analyzed and improved browser video performance cross different platforms
Designed the mechanism to postpone autoplay media in unvisited tabs
Implemented audio competing policy and media controller on Firefox Android
Implemented audio managing system on Firefox OS that controls if audio can start playing

Education

Jul 2012 - Jun 2014
Master, Multi-media Engineering in National Chiao Tung University
Jul 2008 - Jun 2012
Bachelor, Computer Science and Engineering in National Chiao Tung University