Week 4 report

https://www.patreon.com/posts/week-4-report-24267676

• Difficult upgrade to Emscripten 1.38.25:
  • Investigate Emscripten/SDL2 gamepad-related breakage #7840
  • Investigate Emscripten/SDL2port/SDL_AddTimer breakage #67
  • More breakages for my other GNU FreeDink project XD
• Fix Chrome crash with large files, improve .zip extraction speed and memory usage #7630
• Push for Emterpreter (async) support in SDL2 #70 discussion
• Investigate video support:
  • Document (roadmap) the need for 2 levels of video support: fullscreen w/ hardware acceleration, displayable w/o hardware acceleration
  • Failed experiments, in the current Ren'Py, hard to sync the separate audio and video processing without threading
  • Hardware video detection slight inconsistency #1698
  • Doc improvement for videos #1697