• Designed and implemented Effects Engine (with team of 2 other people)
  • Hierarchical node graph with attribute linkages and lifecycle (with team; all remaining items are individual)
  • XPath-inspired 'node' & 'attribute' path lookups
  • Hierarchical profiling tool for C++ and scripts
  • Meganodes - new nodes implemented on top of system using existing nodes and scripts (patent #7428542 issued)
  • Remote debugger
  • Shared library plugin API
  • Exposed portion of API via Python
  • Implemented video load and saving, audio playback
  • Trained third party developers on using the system
• Embedded Perl as scripting language using Inline and SWIG
  • Constructed framework to automatically produce releasable modules and shared libraries from Inline::CPP-style annotated source. Release versions do not depend on Inline.
  • Implemented debugger support for application via DB.pm
  • Exposed full API to internal C++ node structure, as well as OpenGL and FFmpeg libraries
• OpenGL graphics programming and scripted behavior
  • Implemented a LightWave3D model import and rendering component
  • Implemented GLSL shaders for various visual effects
  • Implemented simple GLSL templating system
  • Enhanced the leading open source Perl OpenGL library
  • Implented pie menus, traditional menus, circle gesture recognizer, timelined behaviors, exploding frogs
• Implemented XML dispatcher to bridge between Flash player and other applications
  • Involved use of asynchronous JavaScript XMLHTTPRequest calls to bridge between Effects Engine, web browser, and Flash plugin
  • XML dispatcher also used to combine multiple Effect Engine instances into a larger display
• Deployed and heavily customized Tinderbox to perform automated builds and run smoke tests
  • Replaced email-based communication with XMPP (Jabber) messaging (produced CPAN module Net::Chat::Daemon)
  • Designed and implemented simple but flexible test harness
  • Integrated instant messaging to notify of build or test breakages, and to control builds
  • Integration with our revision control system to send "blame" and "praise" emails
  • Allowed tests to run remotely on test server
  • Extended to generate final build packages
• Maintained and extended internal Wiki used as primary document repository
  • Wrote migration scripts to transfer data from legacy wiki
  • Implemented "filter" pages containing Perl scripts used to filter other pages
  • Used the above to integrate bugzilla bug descriptions with Wiki pages
  • Used the above to implemented partial page includes
  • Implemented an instant messaging interface for monitoring changes
• Audio playback
  • Wrote installer and kernel configuration system for ALSA (Linux sound driver)
  • Implemented clip manager for GStreamer framework
  • Wrote graphical, Curses, and command-line managers for external speaker using serial communication
  • Wrote Linux kernel module for identifying USB serial ports
  • Wrote monitoring daemon for detecting hardware and software problems with audio
  • Designed and implemented camera-based volume control solution
• Other tool design and development
  • Heavily extended NaturalDocs to provide easy documentation generation for our components
  • Wrote OpenGL save-to-video functionality
  • Wrote scripts for making available appropriate builds for different OSes, architectures, and releases
  • Wrote content packaging and testing tool
• Created bootstrap software and procedure for hardware manufacturing, trained third-party contract manufacturer's QA team
• Created custom kickstart CD with automatic rebuild partition and state preservation
• Implemented fallback CD-based content distribution system (and much of network-based system)
• Camera driver development using Linux V4L2
• Served as interim IT department during early stages of company
• Wrote popular newsletter to communicate engineering progress and goals to creative department
• Ported system laptop for salespeople