The basic rule so far was to put client side/ UI / layout settings in the config.xml. The config.xml is parsed by both SWFs (SWF8 and SWF10) on startup one time. So it is also rather easy compared to have a database value that then has to be somehow loaded to the client.
Sebastian 2013/4/24 Artyom Horuzhenko <akhor...@gmail.com> > What kind of solution would be better for switching codecs, AEC, EM and > echo suppression: using config.xml or "Configuration" in the > "Administration" menu? > > > 2013/4/23 Joseph Karwat <jkar...@jellnet.com> > > > IMHO. When something does not work well users generally ask for help from > > their service provider. In our shop our staff explains AEC issues to end > > users and works with them to resolve the issue. Having AEC as an easy to > > enable/disable user option, is very helpful in providing the type of end > > user support that will enable widespread adoption of OM. > > > > I'd be pleased to work with the group to formally test AEC and resolve > this > > issue. > > > > Joseph Karwat | 415-462-0263 | JellVideo | www.jellnet.com | > > JELL NETWORKS, INC. > > Enterprise Video Collaboration Solutions > > > > Click Here to Register for your JellVideo Collaboration Account > > > > > > > > -----Original Message----- > > From: seba.wag...@gmail.com [mailto:seba.wag...@gmail.com] > > Sent: Tuesday, April 23, 2013 1:53 AM > > To: dev > > Subject: Re: AEC in the new release > > > > IMHO having yet another checkbox where the user can decide to enable or > > disable AEC can be only an additional thing on top of a general system > wide > > configuration. > > > > The problem with this is for example that the average user does not even > > know what AEC means. > > Or what is the difference between hardware echo cancellation and software > > echo cancellation ?! > > So what would be the benefit for him in having a checkbox tagged "enabled > > AEC" ? > > > > One of the concerns people have against OpenMeetings is its complexity. > > They just want to conference and not bother around with a lot of options. > > > > I would also not disable the AEC feature by default as long as there is > no > > concrete use-case where AEC (or enhancedMicro mode) leads to an issue. > > > > Same for h264. There was a discussion that included h264 a couple of > weeks > > ago: > > http://markmail.org/message/fctg6eo5qf5hhcaa > > > > The consens was: > > - The amount of CPU that our clients needed more was not measurable. > > - There is no concrete use case where enabling or disabling h264 would > > improve anything I agree that having a config for the Video codec, same > as > > the Microphone Mode, would be nice. > > But changing any defaults now back and forth without concrete use cases > and > > some kind of test plan does not make a lot of sense to me. > > > > So what I would propose is: > > - Make Microphone and VideoCodec configurable and documentate this > > - Set up a concrete test plan and communicate that through our mailing > > lists. > > Based on the feedback we might then discuss changing some defaults. > > > > Sebastian > > > > > > > > > > > > > > 2013/4/23 Maxim Solodovnik <solomax...@gmail.com> > > > > > My previous comment was regarding video codec Auto selecting h264 > > > based on SIP setting is not a good idea IMHO > > > > > > > > > On Tue, Apr 23, 2013 at 3:17 PM, Artyom Horuzhenko <akhor...@gmail.com > > > >wrote: > > > > > > > Usually (for example, in Linphone) echo cancellation option is > > > > available for every user. In my opinion it would be better to allow > > > > users to decide use echo cancellation or not because its efficiency > > depends on hardware. > > > > > > > > > > > > 2013/4/23 Maxim Solodovnik <solomax...@gmail.com> > > > > > > > > > Maybe it is better to make it configurable somehow? config.xml is > > > > > good candidate IMHO > > > > > > > > > > > > > > > On Tue, Apr 23, 2013 at 2:56 PM, Artyom Horuzhenko > > > > > <akhor...@gmail.com > > > > > >wrote: > > > > > > > > > > > Hello, > > > > > > > > > > > > I suppose using h264 would be necessary only in SIP rooms, for > > > > > > all > > > > other > > > > > > rooms - codec which used before (h263?). It avoids any > > > > > > suspections > > > > about > > > > > > h264 issues and increses performance. I'm also going to > > > > > > implement > > > > > switching > > > > > > microphone mode in the audio/video test dialog. Is there anybody > > > > > > who disagree with this idea? > > > > > > > > > > > > > > > > > > 2013/4/23 Alexei Fedotov <alexei.fedo...@gmail.com> > > > > > > > > > > > > > That would be great! > > > > > > > On Apr 23, 2013 5:36 AM, "Maxim Solodovnik" > > > > > > > <solomax...@gmail.com> > > > > > > wrote: > > > > > > > > > > > > > > > @Alexei this definitely can be done in realtime, BUT ... :) > > > > > > > > > > > > > > > > The setting affects Working microphone so it is impossible > > > > > > > > to > > > > ON/OFF > > > > > it > > > > > > > > while speaking :( > > > > > > > > The only option I can see is to add dropdown control to > > > > > testSetupDialog > > > > > > > > (the one with choose camera and test recording). So we can > > > > > > > > have > > > > > > something > > > > > > > > like: > > > > > > > > > > > > > > > > 1) default system setting (can be moved to > > > > > > > > Admin->configuration > > > to > > > > > > avoid > > > > > > > > rewriting it after each upgrade) > > > > > > > > 2) per user setting stored in LocalData (like rememberLogin > > > default > > > > > > > cam/mic > > > > > > > > etc.) > > > > > > > > > > > > > > > > using above scheme user can change the setting while > > > > > > > > entering the > > > > > room > > > > > > or > > > > > > > > "re-sync" audio/video > > > > > > > > > > > > > > > > What do you think? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Tue, Apr 23, 2013 at 3:24 AM, Joseph Karwat < > > > > jkar...@jellnet.com> > > > > > > > > wrote: > > > > > > > > > > > > > > > > > We tested AEC out-of-the-box. We just installed and ran a > > > meeting > > > > > in > > > > > > > > > OM2.1- Litle or no echo. We then, using the exact same > > > > > > configuration, > > > > > > > > > logged in to an OM2.0 server and ran a meeting. We > > > > > > > > > experienced > > > > > > > > substantial > > > > > > > > > echo. We were both running a PC with Flash echo > > > > > > > > > cancellation on > > > > but > > > > > > no > > > > > > > > > hardware echo cancelation. > > > > > > > > > > > > > > > > > > Also for OM2.1 Where do I set the buffer lenghth? Are > > > > > > > > > there > > > any > > > > > > other > > > > > > > > > parameters/options I should know about? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Joseph Karwat | CEO | 415-462-0263 | JellVideo | > > > www.jellnet.com| > > > > > > > > > JELL NETWORKS, INC. > > > > > > > > > Enterprise Video Collaboration Solutions > > > > > > > > > > > > > > > > > > Click Here to Register for your JellVideo Collaboration > > > > > > > > > Account > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > From: Alexei Fedotov [mailto:alexei.fedo...@gmail.com] > > > > > > > > > Sent: Monday, April 22, 2013 12:49 PM > > > > > > > > > To: dev@openmeetings.apache.org > > > > > > > > > Subject: RE: AEC in the new release > > > > > > > > > > > > > > > > > > Joseph, which devices show improvement? Which buffer > > > > > > > > > length did > > > > you > > > > > > > use? > > > > > > > > > > > > > > > > > > I like the suggestion - Maxim, how is it possible to > > > > > > > > > configure > > > > AEC > > > > > in > > > > > > > > > realtime? > > > > > > > > > On Apr 22, 2013 11:30 PM, "Joseph Karwat" > > > > > > > > > <jkar...@jellnet.com > > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > We have a test OM2.1 server installed at AWS running > > > > > > > > > > Unbuntu > > > > > 12.04. > > > > > > > > > > > > > > > > > > > > We tested AEC this morning for the first time and it did > > > > > > > > > > seem > > > > to > > > > > > make > > > > > > > > > > the audio work very well. Little if no echo. We still > > > > > > > > > > need > > > to > > > > > > test > > > > > > > > > > under a wide range of scenarios, but we are encouraged > > > > > > > > > > by the performance this morning. > > > > > > > > > > > > > > > > > > > > If you do make it a configurable setting. It should be > > > > > > > > > > an > > > > option > > > > > > when > > > > > > > > > > setting up the room or allow the individual user to > > > > enable/disabe > > > > > > AEC > > > > > > > > > > when in a conference room. > > > > > > > > > > > > > > > > > > > > Making it a system-wide configuration option will delay > > > testing > > > > > and > > > > > > > > > > adoption. > > > > > > > > > > > > > > > > > > > > We will be conducting further testing of AEC over the > > > > > > > > > > next > > > few > > > > > days > > > > > > > > > > and will report back with our findings. Anyone wishing > > > > > > > > > > to > > > > > > > participate > > > > > > > > > > in our AEC testing is encouraged to contact me. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Joseph Karwat |415-462-0263 | JellVideo | > > > > > > > > > > www.jellnet.com | > > > > JELL > > > > > > > > > > NETWORKS, INC. > > > > > > > > > > Enterprise Video Collaboration Solutions > > > > > > > > > > > > > > > > > > > > Click Here to Register for your JellVideo Collaboration > > > Account > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > > > From: Alexei Fedotov [mailto:alexei.fedo...@gmail.com] > > > > > > > > > > Sent: Monday, April 22, 2013 12:49 AM > > > > > > > > > > To: dev; u...@openmeetings.apache.org > > > > > > > > > > Subject: Re: AEC in the new release > > > > > > > > > > > > > > > > > > > > There are no answers. My point here is that we can be > > > > > > > > > > 100% > > > sure > > > > > > that > > > > > > > > > > today AEC does not work as expected, and provides > > > > > > > > > > distinctive > > > > and > > > > > > > high > > > > > > > > > > quality echo in 100% of situations when users use > > > > > > > > > > separate > > > > > dynamic > > > > > > > and > > > > > > > > > > microphone systems. > > > > > > > > > > > > > > > > > > > > The new thing is AEC mechanism sometimes meddles with > > > hardware > > > > > echo > > > > > > > > > > cancellation support providing temporary sound outages. > > > > > > > > > > It > > > also > > > > > > > > > > provides visible de-synchronization between sound and > > > > > > > > > > video > > > > > > channels. > > > > > > > > > > > > > > > > > > > > If someone has a different experience, please, speak up. > > > > > > > > > > > > > > > > > > > > So I have two ideas to speak of. 1. Disable AEC in > > > openmeetings > > > > > > > > > > releases by default. It takes a simple configuration > > > > > > > > > > change > > > to > > > > > > enable > > > > > > > > > > it. 2. Later understand when AEC really works, and fix > it. > > > > > > > > > > > > > > > > > > > > Folks, please again let me know if you disagree and have > > > > > beneficial > > > > > > > > > > AEC experience. > > > > > > > > > > -- > > > > > > > > > > With best regards / с наилучшими пожеланиями, Alexei > > > > > > > > > > Fedotov > > > / > > > > > > > Алексей > > > > > > > > > > Федотов, http://dataved.ru/ > > > > > > > > > > +7 916 562 8095 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Thu, Apr 18, 2013 at 11:11 PM, Alexei Fedotov > > > > > > > > > > <alexei.fedo...@gmail.com> > > > > > > > > > > wrote: > > > > > > > > > > > Hello guys, > > > > > > > > > > > How AEC (acoustic echo cancellation) works for you in > > > > > > > > > > > the > > > new > > > > > > > > release? > > > > > > > > > > > Can anyone share usage experience? > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > With best regards / с наилучшими пожеланиями, Alexei > > > Fedotov > > > > / > > > > > > > > > > > Алексей Федотов, http://dataved.ru/ > > > > > > > > > > > +7 916 562 8095 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > WBR > > > > > > > > Maxim aka solomax > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > WBR > > > > > Maxim aka solomax > > > > > > > > > > > > > > > > > > > > > -- > > > WBR > > > Maxim aka solomax > > > > > > > > > > > -- > > Sebastian Wagner > > https://twitter.com/#!/dead_lock > > http://www.webbase-design.de > > http://www.wagner-sebastian.com > > seba.wag...@gmail.com > > > > > -- Sebastian Wagner https://twitter.com/#!/dead_lock http://www.webbase-design.de http://www.wagner-sebastian.com seba.wag...@gmail.com
