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Analyse und Erweiterung der Voice-over-IP-Funktionalität in Saros

Outline

Saros besitzt eine eigene Voice-over-IP-Funktionalität, die sich nahtlos in das Sitzungsmanagement einfügt. Dazu fehlen noch: Konferenzmodus, Performanceoptimierung und Benutzbarkeitsevaluierung. Im Rahmen einer X-Arbeit soll hier ein Teil dieser Funktionalität implementiert und evaluiert werden.

Schedule

Past days CW Goals target accomplished wrench
DONE 1 CWXX Goals accomplished
...

Weekly Reports

Week 1 (CW 18)

Activities

  • set up Eclipse/Saros, Project Files acquired
  • getting familiarized with Olaf's structure
  • tried to create a fix for a Voice over IP issue mentioned by Christopher

Results

  • gained some understanding about the Voice over IP Module

Next Steps:

  • discuss my fix with a team member

Problems

  • the fix is not yet tested

Week 2 (CW 19)

Activities

  • analyzed an NPE Issue mentioned by Christopher
  • Introduction to the scope of jspeex
  • Voice over IP module tested locally

Results

  • found some other minor issues
  • assumed origin of the NPE found, seems to be an array overflow

Next Steps:

  • further investigations on the NPE Problem
  • analyze the found problems
  • first assessment about jspeex conference channel properties
  • preparation of the introduction presentation

Problems

  • I was not able to reproduce the array overflow

Week 3 (CW 20)

Activities

  • rewrote the Audioformat Fix
  • added a sound check method to that fix
  • prepared a Virtualbox for OS-related tests
  • analyzed the Voice over IP -Binarychannel Issue during a PP Session with Christopher

Results

  • Binarychannel problem located
  • Audioformat Fix almost finished

Next Steps:

  • extend the sound check method adding a short audiodata exchange
  • rewrite the sound data read/write action

Problems

  • i am not sure about performance problems caused by the sound check method

Week 4 & 5 (CW 20/21)

Activities

  • did some testing due to the release process
  • integrated the main packets of the Eclipse Communication Framework into my Workspace and did some research related to Voice over IP Possibilities based on Morits Post's Work
  • bug fixing assistance
  • finished soundcheck method

Results

  • Audioformat Patch is ready for testing
  • Eclipse Communication Framework has to be abandoned due to Legal Issues (Saros GPL bites with ECF EPL)

Next Steps:

  • final touches and tests on the Audioformat Fix
  • close and document bug research & ECF results
  • start implementing the Conference Feature
  • start first parts of the written thesis

Problems

  • not yet(!)
Topic revision: r11 - 23 Jul 2013, FranzZieris
 
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