On Tue, Jan 13, 2009 at 12:55 PM, Jan Sebesta <jan.sebesta at consilia-brno.cz>wrote: > Hello PJSIP developers, > > I would like to ask, what functionality of PJLIB framework library is > absolutely necessary to be ported for target embedded system in case when > only object instance of pjmedia_session "class" will be running there. > Hi Jan, I'm not sure exactly which PJLIB stuffs are needed for pjmedia_session/stream, but I would strongly suggest to "port" all of PJLIB components into the new target, since that would make development much easier should you need something else other than pjmedia_session in the future. Once PJLIB has been ported then that's it, everything will run. > Note, that multithreading is not supported by our target system. > > Okay, that will make it easier. > I think, my system need to port (see PJLIB Table of Content): > Actually you can start from http://www.pjsip.org/pjlib/docs/html/porting_pjlib_pg.htm, though this doc is a bit outdated. > - Error Codes (all) > Depends on whether your OS offers new way to get error. > - Data Structure (all) > This should be OS independent. > - Miscelaneous (all) > Generally should be OS independent. > - Operating system dependent functionality > --- Atomic variables (when general thread is interrupted by event) > --- Critical sections (when general thread is interrupted by event) > Yep. > --- Event objects (hardware interrupt translation to PJSIP event) > This is not used actually. > --- High resolution timestamp (computing delays - optimal delayed playback, > delay buffer for several streams, mixing streams,...) > Yes. > --- Time data type and manipulation (date of stream creation?, statistical > info,..) > If this is pj_gettimeofday() then yes. > - Fast memory pool (all) > > Depends on whether malloc() works or not. > Do you have another idea, what next has to be ported or what can be even > omitted from PJLIB framework? > > Taking Symbian as a sample platform (since it's very different than everything else), here are the porting details for it: http://www.pjsip.org/sip_symbian.htm#porting_details. I suppose yours will be subset of these. Cheers Benny > Thank you, > Jan > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090114/b4f86d74/attachment-0001.html>
