Seems like it works for me. At least, after the ffdshow update I was able to enter/exit the room 25 times without crash.
I'll look for this a couple of days. And ask my client who claimed about the problem to do the same things and additionally try to turn the hardware acceleration off. Thank you, Irina. On Thu, Mar 14, 2013 at 3:28 PM, Irina Arkhipets <[email protected]>wrote: > Sebastian, > > It seems like you are correct and this depends on configuration. > > I've received a reply from Mozilla about my bug: > ... > According to the previous stack trace, it's not a Firefox bug neither a > Flash > one, but a FFDShow one. You are using version 1.1.3761.0 while the current > one > is 1.3.4500. Update FFDShow: > http://ffdshow-tryout.sourceforge.net/download.php > Then report back. > ... > > You can track this here: > https://bugzilla.mozilla.org/show_bug.cgi?id=850614 > > Will try their suggestion and inform you about the result. > > Best regards, > Irina. > > > On Thu, Mar 14, 2013 at 3:03 PM, [email protected] < > [email protected]> wrote: > >> After all this sounds a lot like an issue with the webcam, microphone or >> driver. >> >> The moment when your are in the conference, in the device settings and >> click on the button >> "start conference" what basically happens is that you set your audio/video >> settings and Flash access your webcam. >> >> So basically this is an environment issues. It could be also a combination >> of a Flash Player + certain device issues. >> I bet the same issue happens for those users if they use any other Flash >> application that requires access to cam/mic. >> >> What kind of microphone and camera are you using ? >> Did you have maybe some driver that you can update or download for those >> devices for your OS ? >> >> Sebastian >> >> >> 2013/3/14 Maxim Solodovnik <[email protected]> >> >> > @Alexei unfortunately this would not help since we have no useful info >> > after such crash :( >> > >> > >> > On Thu, Mar 14, 2013 at 2:33 PM, Alexei Fedotov < >> [email protected] >> > >wrote: >> > >> > > @Maxim, how difficult is to add a button for debug which would >> start/quit >> > > a conference in a loop to make the bug simpler to reproduce? >> > > 14.03.2013 10:56 пользователь "Irina Arkhipets" < >> > [email protected]> >> > > написал: >> > > >> > > Hi Sebastian, >> > >> >> > >> A). I use Win XP + FF 19.0 + flash 11.6.602.180. And Yulia have the >> same >> > >> problems on W7 + GH + 11.6.602.171. >> > >> >> > >> B). Crash happens when I am entering the room after I click "Start >> > >> Conference" in the "Choose device" screen. >> > >> >> > >> C). Plugin crashes in the following way: I get "plugin-container.exe" >> > >> application error window with the possibility to click OK to >> terminate >> > and >> > >> click CANCEL to debug. If I click OK I see a grey screen with the >> "Adobe >> > >> Flash plugin crashed" message and the "Send report" button. I need to >> > >> reload the page to continue work. >> > >> >> > >> D). It seems like it's not possible to attach files when you write to >> > >> mailing list, so I'll will send you a screen shot personally. I've >> also >> > >> found a way to catch a report which is sent if I click the "Send >> report" >> > >> button - will send it to you too. >> > >> >> > >> E). Nothing special in the server log and browser console >> > >> >> > >> My additional notes: >> > >> >> > >> - Crash is reproducible if I run FireFox in safe mode. >> > >> >> > >> - Crash report reads: "Crash Reason >> EXCEPTION_ACCESS_VIOLATION_WRITE". >> > I >> > >> read in Internet that it can happen because of some video driver >> > problems >> > >> if hardware acceleration is turmed on, however I've just turned it >> off >> > >> without improving >> > >> >> > >> - I've filed bug against Mozilla and send them some info and crash >> > report >> > >> - >> > >> maybe they'll provide some advice >> > >> >> > >> - Setting dom.ipc.plugins.timeoutSecs to -1 in browser settings does >> not >> > >> help (this is a timeout for the flash plugin response) >> > >> >> > >> For now maybe I can try some flash debagger to try to debug this. >> > >> >> > >> Best regards, >> > >> Irina. >> > >> >> > >> On Thu, Mar 14, 2013 at 12:57 PM, [email protected] >> > >> <[email protected]> wrote: >> > >> >> > >> > I think the issue has been reviewed. >> > >> > So we can be sure that the codec change in the codec is not an >> issue. >> > >> > Maybe we can debug the crashes a bit more before we start the vote. >> > >> > >> > >> > @Irina Thanks for the Tests! >> > >> > Can you please check those questions >> > >> > A) What OS and flash player Version and browser was that? >> > >> > B) When did the crash happen exactly? >> > >> > C) Did the Plugin crash in terms of: >> > >> > 1) showing a dialog that a script is slowing down? >> > >> > 2) Browser replaces complete Flash Applet and shows message like >> > "player >> > >> > crashed" so that also you need to restart the Browser >> > >> > 3) Player freezes and no more clicks possible? >> > >> > D) Is there a screenshot from such a crash somewhere? >> > >> > E) Is there something is the servers log when the crash happens? >> > >> > >> > >> > Did the crash happen always at a certain user action (B) might be >> the >> > >> most >> > >> > important question. >> > >> > But it is also not clear to me yet what kind of crash we are >> talking >> > >> about. >> > >> > Flash Player crash can have so many different meanings. >> > >> > >> > >> > Thanks! >> > >> > Sebastian >> > >> > Am 14.03.2013 02:43 schrieb "Maxim Solodovnik" < >> [email protected] >> > >: >> > >> > >> > >> > > It seems like we have proof swf11+h264 not causing performance >> > >> > degradation >> > >> > > >> > >> > > @Sebastian what do you think, is it time for RC2? >> > >> > > >> > >> > > >> > >> > > On Wed, Mar 13, 2013 at 7:56 PM, Alexei Fedotov < >> > >> > [email protected]>wrote: >> > >> > > >> > >> > >> Great job, Irina! >> > >> > >> Thanks for digging this out. >> > >> > >> -- >> > >> > >> With best regards / с наилучшими пожеланиями, >> > >> > >> Alexei Fedotov / Алексей Федотов, >> > >> > >> http://dataved.ru/ >> > >> > >> +7 916 562 8095 >> > >> > >> >> > >> > >> >> > >> > >> On Wed, Mar 13, 2013 at 4:28 PM, Irina Arkhipets >> > >> > >> <[email protected]> wrote: >> > >> > >> > Hi All, >> > >> > >> > >> > >> > >> > I investigated flash plugin crashes today and would like to >> share >> > >> some >> > >> > >> > results. >> > >> > >> > >> > >> > >> > First of all, crash happens both with SWF10 and SWF 11. It >> seems >> > >> like >> > >> > >> the >> > >> > >> > problem is reproducible with H263, H264 1.2 and H264 5.1. >> > >> > >> > >> > >> > >> > Actually, I haven't noticed significant CPU usage degradation >> for >> > >> H264 >> > >> > >> in >> > >> > >> > compare with H263 - it always was about 50-70% when I enter >> > >> > OpenMeetings >> > >> > >> > room. The same is true about the memory usage. >> > >> > >> > >> > >> > >> > I was able to get the crash report in Mozilla, however for now >> > >> don't >> > >> > see >> > >> > >> > any info which can help me there. >> > >> > >> > >> > >> > >> > Tested environment was: Windows XP + Mozilla FireFox 19.0 + >> flash >> > >> > player >> > >> > >> > 11.5.502.146. Tested server was demo.dataved.ru, there were >> two >> > >> users >> > >> > >> with >> > >> > >> > videos (1 with big window and the other with normal) in the >> room >> > + >> > >> me >> > >> > >> with >> > >> > >> > normal window. >> > >> > >> > >> > >> > >> > For now anybody can try different cases on >> > >> > >> > http://demo.dataved.ru/openmeetings and get own expression. >> > >> > >> > >> > >> > >> > Below are the links which can be tested and my today results >> for >> > >> each >> > >> > of >> > >> > >> > them: >> > >> > >> > >> > >> > >> > - >> > >> > >> http://demo.dataved.ru/openmeetings/?swf=main.as3.swf10.swf&junk=666- >> > >> > >> > SWF10 + H263. Crashed 3 times from 10. >> > >> > >> > - >> > >> > >> >> > >> > >> > >> >> > >> http://demo.dataved.ru/openmeetings/?swf=main.as3.swf11.h263.swf&junk=666- >> > >> > >> > SWF11 + H263. Crashed 0 times from 10. >> > >> > >> > - >> > >> > >> > >> > >> > >> >> > >> > >> > >> >> > >> http://demo.dataved.ru/openmeetings/?swf=main.as3.swf11.h264_1_2.swf&junk=666- >> > >> > >> > SWF11 + H264 1.2. Crashed 2 times from 10. >> > >> > >> > - >> > >> > >> > >> > >> > >> >> > >> > >> > >> >> > >> http://demo.dataved.ru/openmeetings/?swf=main.as3.swf11.h264_5_1.swf&junk=666- >> > >> > >> > SWF11 + H264 5/1/ Crashed 1 times from 10. >> > >> > >> > >> > >> > >> > Best regards, >> > >> > >> > Irina. >> > >> > >> > >> > >> > >> > On Wed, Mar 13, 2013 at 5:02 PM, Maxim Solodovnik < >> > >> > [email protected] >> > >> > >> >wrote: >> > >> > >> > >> > >> > >> >> that is definitely something not readable :( >> > >> > >> >> I can see the word "static" in the generated code :) this is >> > >> global >> > >> > >> >> variables :))) >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> On Wed, Mar 13, 2013 at 4:57 PM, [email protected] < >> > >> > >> >> [email protected]> wrote: >> > >> > >> >> >> > >> > >> >> > just for consideration, >> > >> > >> >> > attached is the current AS3 that OpenLaszlo generates. >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> >> > >> > >> >> > >> > >> > >> >> > >> https://cwiki.apache.org/confluence/download/attachments/27836308/lzswf9.tar.gz >> > >> > >> >> > >> > >> > >> >> > Sebastian >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > 2013/3/13 Maxim Solodovnik <[email protected]> >> > >> > >> >> > >> > >> > >> >> >> I thought maybe it will be simple to convert swf10 folder >> of >> > >> our >> > >> > >> sources >> > >> > >> >> >> + I would like "someone else" will handle it :)))) >> > >> > >> >> >> >> > >> > >> >> >> >> > >> > >> >> >> On Wed, Mar 13, 2013 at 4:38 PM, [email protected] < >> > >> > >> >> >> [email protected]> wrote: >> > >> > >> >> >> >> > >> > >> >> >>> Sorry but that is useless. >> > >> > >> >> >>> The AS3 code that OpenLaszlo compiles is not human >> readable. >> > >> It >> > >> > is >> > >> > >> >> >>> generated into some tmp directory. >> > >> > >> >> >>> You can search on your disc for a file called >> > >> > LZC_COMPILER_OPTIONS >> > >> > >> >> >>> That should be into the same directory as the actual AS3 >> > >> files. >> > >> > >> >> >>> >> > >> > >> >> >>> The thing is that there are of course some high level >> > >> > similarities. >> > >> > >> >> >>> However there are also high level similarities between >> AS3 >> > and >> > >> > >> HTML5. >> > >> > >> >> For >> > >> > >> >> >>> example an ActionScript3 "Sprite" is nearly the same as >> an >> > >> HTML >> > >> > >> "div" >> > >> > >> >> or >> > >> > >> >> >>> maybe "span" but you can really translate those things >> just >> > >> and >> > >> > >> expect >> > >> > >> >> the >> > >> > >> >> >>> functionality is the same. >> > >> > >> >> >>> >> > >> > >> >> >>> The entire notation in MXML is different, same about the >> > >> script >> > >> > >> blogs. >> > >> > >> >> >>> A script blog in openlaszlo looks like: >> > >> > >> >> >>> var zxac = 3; >> > >> > >> >> >>> in AS it would look like: >> > >> > >> >> >>> var zxac:int = 3; >> > >> > >> >> >>> No matter how you do it, you will have to go through >> every >> > >> file, >> > >> > >> debug >> > >> > >> >> >>> every line of code, understand the logic, convert it to >> > MXML, >> > >> > test >> > >> > >> it. >> > >> > >> >> And >> > >> > >> >> >>> some constructs of course won't translate that easy. >> > >> > >> >> >>> For example in Flex you can't create that simple a >> "global" >> > >> > >> pointer. >> > >> > >> >> >>> Like: canvas.myattribute or parent.myattribute >> > >> > >> >> >>> This simply won't compile. AS3 won't let you compile such >> > >> > >> pointers. You >> > >> > >> >> >>> need to pass the parameter into the object to access its >> > >> > >> attributes, or >> > >> > >> >> >>> pass the attribute inside of it. >> > >> > >> >> >>> So a lot of the things we do when having some attribute >> in >> > the >> > >> > >> canvas >> > >> > >> >> >>> and pointing to them from various places in the app ... >> it >> > >> simply >> > >> > >> >> doesn't >> > >> > >> >> >>> work in MXML. >> > >> > >> >> >>> >> > >> > >> >> >>> So of course it depends on to what extend you plan to >> build >> > a >> > >> > Flex >> > >> > >> >> >>> client. Maybe just the SWF11 app converting to MXML is an >> > >> option. >> > >> > >> But >> > >> > >> >> the >> > >> > >> >> >>> entire SWF8 app. I don't think so. Just too complex. >> > >> > >> >> >>> >> > >> > >> >> >>> Sebastian >> > >> > >> >> >>> >> > >> > >> >> >>> >> > >> > >> >> >>> 2013/3/13 Alexei Fedotov <[email protected]> >> > >> > >> >> >>> >> > >> > >> >> >>>> The files appear in some temporary directory. I cannot >> > >> remember >> > >> > >> where >> > >> > >> >> >>>> they are exactly. If you make an error when embedding >> > action >> > >> > >> script >> > >> > >> >> >>>> into openlaszlo (should be something on action script >> > level, >> > >> xml >> > >> > >> >> >>>> markup would break the preprocessor itself), you get in >> the >> > >> > error >> > >> > >> >> >>>> message an exact pointer to the file where your error is >> > put. >> > >> > >> >> >>>> -- >> > >> > >> >> >>>> With best regards / с наилучшими пожеланиями, >> > >> > >> >> >>>> Alexei Fedotov / Алексей Федотов, >> > >> > >> >> >>>> http://dataved.ru/ >> > >> > >> >> >>>> +7 916 562 8095 >> > >> > >> >> >>>> >> > >> > >> >> >>>> >> > >> > >> >> >>>> On Wed, Mar 13, 2013 at 11:58 AM, Maxim Solodovnik < >> > >> > >> >> >>>> [email protected]> wrote: >> > >> > >> >> >>>> > @Alexey we currently using flex 4.5.0, 4.6.1 to create >> > >> > bytecode >> > >> > >> >> >>>> > "can be inspected/used" means autoconverted :) action >> > >> script >> > >> > >> instead >> > >> > >> >> >>>> of >> > >> > >> >> >>>> > openlaszlo is also good :) >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > can you please tell me how this can be inspected? >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > @Sebastian I thought we use only >> > >> view/label/dataset/connection >> > >> > >> in >> > >> > >> >> our >> > >> > >> >> >>>> swf10 >> > >> > >> >> >>>> > code .... all these primitives should be available in >> > MXML. >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > On Wed, Mar 13, 2013 at 2:52 PM, Alexei Fedotov < >> > >> > >> >> >>>> [email protected]> >> > >> > >> >> >>>> > wrote: >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> @Max AS3 means action script >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> Modern OpenLaszlo compiles into AS3, these files can >> be >> > >> > >> inspected >> > >> > >> >> and >> > >> > >> >> >>>> >> used instead of openlaszlo files. >> > >> > >> >> >>>> >> Then standard Adobe tools create swf bytecode from >> AS3. >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> -- >> > >> > >> >> >>>> >> With best regards / с наилучшими пожеланиями, >> > >> > >> >> >>>> >> Alexei Fedotov / Алексей Федотов, >> > >> > >> >> >>>> >> http://dataved.ru/ >> > >> > >> >> >>>> >> +7 916 562 8095 >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> >> > >> > >> >> >>>> >> On Wed, Mar 13, 2013 at 11:18 AM, >> [email protected] >> > >> > >> >> >>>> >> <[email protected]> wrote: >> > >> > >> >> >>>> >> > MXML has certainly advantages in the sense of wider >> > >> > >> acceptance >> > >> > >> >> and >> > >> > >> >> >>>> >> > better >> > >> > >> >> >>>> >> > development tools. >> > >> > >> >> >>>> >> > But it really means to build something from >> scratch. >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > Sebastian >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > 2013/3/13 Maxim Solodovnik <[email protected]> >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> >> @Alexey we currently using openlaszlo for video >> (not >> > >> sure >> > >> > >> what >> > >> > >> >> do >> > >> > >> >> >>>> you >> > >> > >> >> >>>> >> >> mean >> > >> > >> >> >>>> >> >> by AS3). Currently our version of video >> components is >> > >> > built >> > >> > >> >> using >> > >> > >> >> >>>> >> >> flex.4.6.1 while actual version available for >> > download >> > >> is >> > >> > >> flex >> > >> > >> >> >>>> 4.9.1. >> > >> > >> >> >>>> >> >> I was hoping we will have less bugs and better >> > >> performance >> > >> > >> if we >> > >> > >> >> >>>> will >> > >> > >> >> >>>> >> >> use >> > >> > >> >> >>>> >> >> MXML directly for our code. But this is just a >> guess. >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >> On Wed, Mar 13, 2013 at 2:00 PM, >> > [email protected]< >> > >> > >> >> >>>> >> >> [email protected]> wrote: >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >>> You can simply disable h264 and build to swf11. >> > >> > >> >> >>>> >> >>> It is only about the codec not about SWF formats. >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> I just compared and could not really find out if >> > there >> > >> > are >> > >> > >> big >> > >> > >> >> >>>> >> >>> differences. >> > >> > >> >> >>>> >> >>> However it is definitly good to really compare >> the >> > >> > impacts >> > >> > >> on >> > >> > >> >> >>>> CPU and >> > >> > >> >> >>>> >> >>> bandwidth usage when switching the Codec for >> video >> > >> > >> encoding. >> > >> > >> >> >>>> >> >>> It seemed to me like encoding with h264 is using >> a >> > >> second >> > >> > >> >> >>>> process (on >> > >> > >> >> >>>> >> >>> OSX >> > >> > >> >> >>>> >> >>> that process is called WindowsServer). It might >> be >> > >> that >> > >> > >> h264 >> > >> > >> >> >>>> encoding >> > >> > >> >> >>>> >> >>> can >> > >> > >> >> >>>> >> >>> use some more system ressources. However... all >> just >> > >> > >> guessing >> > >> > >> >> at >> > >> > >> >> >>>> this >> > >> > >> >> >>>> >> >>> point. >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> Sebastian >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> 2013/3/13 Maxim Solodovnik <[email protected] >> > >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>>> Maybe we can add conversion task to the GSOC >> ideas? >> > >> do >> > >> > we >> > >> > >> need >> > >> > >> >> >>>> it? >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> I don't see any problems with h264 >> > >> > >> >> >>>> >> >>>> I'm going to build >> > >> > >> >> >>>> >> >>>> 1) SWF11 with h264 support removed >> > >> > >> >> >>>> >> >>>> 2) SWF11 with different h264 profile >> > >> > >> >> >>>> >> >>>> 3) SWF10 >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> and compare >> > >> > >> >> >>>> >> >>>> but i'm not expecting any major differences :( >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> On Wed, Mar 13, 2013 at 1:17 PM, >> > >> [email protected]< >> > >> > >> >> >>>> >> >>>> [email protected]> wrote: >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>>> No there is no such conversion. You have to >> > rewrite >> > >> the >> > >> > >> LZX >> > >> > >> >> to >> > >> > >> >> >>>> MXML >> > >> > >> >> >>>> >> >>>>> and >> > >> > >> >> >>>> >> >>>>> AS3 files. >> > >> > >> >> >>>> >> >>>>> What about the Video Codec? I don't think it >> makes >> > >> > sense >> > >> > >> to >> > >> > >> >> >>>> start a >> > >> > >> >> >>>> >> >>>>> RC2 >> > >> > >> >> >>>> >> >>>>> vote before this issue has been further >> analyzed. >> > >> > >> >> >>>> >> >>>>> Is there a given restriction that needs h264? >> > >> > >> >> >>>> >> >>>>> >> > >> > >> >> >>>> >> >>>>> Sebastian >> > >> > >> >> >>>> >> >>>>> >> > >> > >> >> >>>> >> >>>>> >> > >> > >> >> >>>> >> >>>>> 2013/3/13 Maxim Solodovnik < >> [email protected]> >> > >> > >> >> >>>> >> >>>>> >> > >> > >> >> >>>> >> >>>>>> @Sebastian, maybe you know, is there any >> > >> possibility >> > >> > to >> > >> > >> >> >>>> >> >>>>>> automatically/semi-automatically convert our >> > swf10 >> > >> > >> sources >> > >> > >> >> to >> > >> > >> >> >>>> >> >>>>>> "apache flex >> > >> > >> >> >>>> >> >>>>>> xml"? Since Openlaszlo seems to be not >> actively >> > >> > >> developed >> > >> > >> >> and >> > >> > >> >> >>>> flex >> > >> > >> >> >>>> >> >>>>>> is now >> > >> > >> >> >>>> >> >>>>>> part of Apache, maybe we can benefit from such >> > >> > >> conversion? >> > >> > >> >> >>>> >> >>>>>> >> > >> > >> >> >>>> >> >>>>>> >> > >> > >> >> >>>> >> >>>>>> On Tue, Mar 12, 2013 at 4:28 PM, Maxim >> > Solodovnik < >> > >> > >> >> >>>> >> >>>>>> [email protected]> wrote: >> > >> > >> >> >>>> >> >>>>>> >> > >> > >> >> >>>> >> >>>>>>> I have forwarded all missing messages >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>> On Tue, Mar 12, 2013 at 4:25 PM, >> > >> > [email protected]< >> > >> > >> >> >>>> >> >>>>>>> [email protected]> wrote: >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> you wrote me without CC'ing Irina or the >> list >> > :) >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> I missed the 'reply all' button somehow. >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> Sebastian >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> 2013/3/12 Maxim Solodovnik < >> > [email protected] >> > >> > >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> this one >> > >> > >> >> >>>> https://issues.apache.org/jira/browse/OPENMEETINGS-559 >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> @Irina can you describe your problem more >> > >> detailed? >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> On Tue, Mar 12, 2013 at 3:46 PM, >> > >> > >> [email protected] < >> > >> > >> >> >>>> >> >>>>>>>>> [email protected]> wrote: >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> We should simply do some tests to measure >> the >> > >> > actual >> > >> > >> >> >>>> video with >> > >> > >> >> >>>> >> >>>>>>>>>> h264 and the default Sorensen Codec. >> > >> > >> >> >>>> >> >>>>>>>>>> Then we have some numbers. >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> What are the exact reports for "Flash >> Player >> > >> > >> crashing" ? >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> Sebastian >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> 2013/3/12 Maxim Solodovnik < >> > >> [email protected]> >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> I can add switching H264 off, but I'm not >> > >> sure if >> > >> > >> this >> > >> > >> >> >>>> is the >> > >> > >> >> >>>> >> >>>>>>>>>>> problem. >> > >> > >> >> >>>> >> >>>>>>>>>>> Most claims are related to the crashing >> > flash >> > >> in >> > >> > >> >> browser. >> > >> > >> >> >>>> >> >>>>>>>>>>> Do you think this would help? >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> On Tue, Mar 12, 2013 at 2:56 PM, >> > >> > >> [email protected]< >> > >> > >> >> >>>> >> >>>>>>>>>>> [email protected]> wrote: >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> Sorry I did not meant default h323 I >> meant >> > >> the >> > >> > >> default >> > >> > >> >> >>>> >> >>>>>>>>>>>> Sorenson Spark >> > >> > >> >> >>>> >> >>>>>>>>>>>> < >> > http://en.wikipedia.org/wiki/Sorenson_Spark >> > >> > >> >> >(Sorenson >> > >> > >> >> >>>> H.263) >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> Sebastian >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> 2013/3/12 [email protected] < >> > >> > >> >> [email protected]> >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> h264 simply needs more computing time. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> AEC also is enabled (which needs some >> > >> > percentages >> > >> > >> >> more >> > >> > >> >> >>>> CPU >> > >> > >> >> >>>> >> >>>>>>>>>>>>> power then the previous >> implementation). >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> Switching to later Flex SDK is surely >> > >> desirable >> > >> > >> but >> > >> > >> >> >>>> >> >>>>>>>>>>>>> basically >> > >> > >> >> >>>> >> >>>>>>>>>>>>> the performance is a Flash >> > >> > Player/VirtualMachine >> > >> > >> >> issue >> > >> > >> >> >>>> not a >> > >> > >> >> >>>> >> >>>>>>>>>>>>> Flash Compiler >> > >> > >> >> >>>> >> >>>>>>>>>>>>> issue. So as long as there is no Flash >> > >> Player >> > >> > 12 >> > >> > >> that >> > >> > >> >> >>>> >> >>>>>>>>>>>>> requires a later Flex >> > >> > >> >> >>>> >> >>>>>>>>>>>>> SDK it is unlikely that you will gain >> > >> > performance >> > >> > >> >> >>>> >> >>>>>>>>>>>>> advantages. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> I think there is a hardware >> acceleration >> > for >> > >> > >> playback >> > >> > >> >> >>>> of >> > >> > >> >> >>>> >> >>>>>>>>>>>>> h264 >> > >> > >> >> >>>> >> >>>>>>>>>>>>> video, but I have really no idea about >> > >> > producing >> > >> > >> h264 >> > >> > >> >> >>>> in the >> > >> > >> >> >>>> >> >>>>>>>>>>>>> browser in >> > >> > >> >> >>>> >> >>>>>>>>>>>>> that context. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> From my point of view the main reason >> for >> > >> using >> > >> > >> h264 >> > >> > >> >> >>>> is the >> > >> > >> >> >>>> >> >>>>>>>>>>>>> SIP >> > >> > >> >> >>>> >> >>>>>>>>>>>>> integration. For users that don't use >> SIP >> > >> > >> integration >> > >> > >> >> >>>> using >> > >> > >> >> >>>> >> >>>>>>>>>>>>> h264 will >> > >> > >> >> >>>> >> >>>>>>>>>>>>> simply just mean an annoying CPU usage. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> The case is different for AEC from my >> > point >> > >> of >> > >> > >> view. >> > >> > >> >> >>>> AEC >> > >> > >> >> >>>> >> >>>>>>>>>>>>> brings >> > >> > >> >> >>>> >> >>>>>>>>>>>>> enhancement for everybody immediately. >> And >> > >> the >> > >> > >> more >> > >> > >> >> of >> > >> > >> >> >>>> CPU >> > >> > >> >> >>>> >> >>>>>>>>>>>>> that it uses is >> > >> > >> >> >>>> >> >>>>>>>>>>>>> only 3-4 % from my point of view. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> So my preference would be to make the >> > video >> > >> > >> codec use >> > >> > >> >> >>>> the >> > >> > >> >> >>>> >> >>>>>>>>>>>>> standard h323. To be honest: Who has >> ever >> > >> > >> complained >> > >> > >> >> >>>> in the >> > >> > >> >> >>>> >> >>>>>>>>>>>>> last couple of >> > >> > >> >> >>>> >> >>>>>>>>>>>>> years about video quality? The >> discussion >> > is >> > >> > >> almost >> > >> > >> >> >>>> always >> > >> > >> >> >>>> >> >>>>>>>>>>>>> about audio >> > >> > >> >> >>>> >> >>>>>>>>>>>>> delay, audio quality, micro echo, bad >> > >> > >> microphones et >> > >> > >> >> >>>> cetera >> > >> > >> >> >>>> >> >>>>>>>>>>>>> but actually >> > >> > >> >> >>>> >> >>>>>>>>>>>>> never about video quality. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> And from what I have seen h264 also >> brings >> > >> no >> > >> > >> >> >>>> improvements >> > >> > >> >> >>>> >> >>>>>>>>>>>>> in >> > >> > >> >> >>>> >> >>>>>>>>>>>>> terms of bandwidth usage. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> h264 could be available via >> configuration >> > >> (or >> > >> > to >> > >> > >> >> >>>> enable SIP >> > >> > >> >> >>>> >> >>>>>>>>>>>>> integration), but h323 should be used >> by >> > >> > default. >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> Sebastian >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> 2013/3/12 Maxim Solodovnik < >> > >> > [email protected] >> > >> > >> > >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Hello Raju, Sebastian, >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> according to >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> https://issues.apache.org/jira/browse/OPENMEETINGS-559and >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> various user reports (including mail >> from >> > >> > >> >> >>>> Sebastian[1]) >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Main code changes were: adding >> > >> > >> EnchancedMicrophone >> > >> > >> >> and >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> switch >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> to h264 >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> According to the Google switching to >> h264 >> > >> can >> > >> > >> cause >> > >> > >> >> >>>> higher >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> CPU >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> usage. >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Can this be fixed by changing >> H264Level? >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> (currently H264Level.LEVEL_1_2 is >> used) >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Maybe you can us understand were >> > >> > >> >> performance/stability >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> degradation caused by code changes? Or >> > >> maybe >> > >> > it >> > >> > >> is >> > >> > >> >> >>>> because >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> of Flex4.6.0? >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Can stability be improved by >> switching to >> > >> > >> Flex4.9.1? >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Thanks in advance for your help >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> [1] >> > >> > >> http://markmail.org/message/2el63qarsjmbvfyy >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> < >> > >> > http://markmail.org/message/2el63qarsjmbvfyy >> > >> > >> >-- >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> WBR >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> Maxim aka solomax >> > >> > >> >> >>>> >> >>>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>>>>>>> Sebastian Wagner >> > >> > >> >> >>>> >> >>>>>>>>>>>>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> >>>>>>>>>>>>> http://www.webbase-design.de >> > >> > >> >> >>>> >> >>>>>>>>>>>>> http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> >>>>>>>>>>>>> [email protected] >> > >> > >> >> >>>> >> >>>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>>>>>> Sebastian Wagner >> > >> > >> >> >>>> >> >>>>>>>>>>>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> >>>>>>>>>>>> http://www.webbase-design.de >> > >> > >> >> >>>> >> >>>>>>>>>>>> http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> >>>>>>>>>>>> [email protected] >> > >> > >> >> >>>> >> >>>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>>>>> WBR >> > >> > >> >> >>>> >> >>>>>>>>>>> Maxim aka solomax >> > >> > >> >> >>>> >> >>>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>>>> Sebastian Wagner >> > >> > >> >> >>>> >> >>>>>>>>>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> >>>>>>>>>> http://www.webbase-design.de >> > >> > >> >> >>>> >> >>>>>>>>>> http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> >>>>>>>>>> [email protected] >> > >> > >> >> >>>> >> >>>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>>> WBR >> > >> > >> >> >>>> >> >>>>>>>>> Maxim aka solomax >> > >> > >> >> >>>> >> >>>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>>> Sebastian Wagner >> > >> > >> >> >>>> >> >>>>>>>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> >>>>>>>> http://www.webbase-design.de >> > >> > >> >> >>>> >> >>>>>>>> http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> >>>>>>>> [email protected] >> > >> > >> >> >>>> >> >>>>>>>> >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>> >> > >> > >> >> >>>> >> >>>>>>> -- >> > >> > >> >> >>>> >> >>>>>>> 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 >> > >> > >> >> >>>> >> >>>>> [email protected] >> > >> > >> >> >>>> >> >>>>> >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>>> -- >> > >> > >> >> >>>> >> >>>> WBR >> > >> > >> >> >>>> >> >>>> Maxim aka solomax >> > >> > >> >> >>>> >> >>>> >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >>> -- >> > >> > >> >> >>>> >> >>> Sebastian Wagner >> > >> > >> >> >>>> >> >>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> >>> http://www.webbase-design.de >> > >> > >> >> >>>> >> >>> http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> >>> [email protected] >> > >> > >> >> >>>> >> >>> >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> >> -- >> > >> > >> >> >>>> >> >> WBR >> > >> > >> >> >>>> >> >> Maxim aka solomax >> > >> > >> >> >>>> >> >> >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > >> > >> > >> >> >>>> >> > -- >> > >> > >> >> >>>> >> > Sebastian Wagner >> > >> > >> >> >>>> >> > https://twitter.com/#!/dead_lock >> > >> > >> >> >>>> >> > http://www.webbase-design.de >> > >> > >> >> >>>> >> > http://www.wagner-sebastian.com >> > >> > >> >> >>>> >> > [email protected] >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > >> > >> > >> >> >>>> > -- >> > >> > >> >> >>>> > WBR >> > >> > >> >> >>>> > Maxim aka solomax >> > >> > >> >> >>>> >> > >> > >> >> >>> >> > >> > >> >> >>> >> > >> > >> >> >>> >> > >> > >> >> >>> -- >> > >> > >> >> >>> Sebastian Wagner >> > >> > >> >> >>> https://twitter.com/#!/dead_lock >> > >> > >> >> >>> http://www.webbase-design.de >> > >> > >> >> >>> http://www.wagner-sebastian.com >> > >> > >> >> >>> [email protected] >> > >> > >> >> >>> >> > >> > >> >> >> >> > >> > >> >> >> >> > >> > >> >> >> >> > >> > >> >> >> -- >> > >> > >> >> >> WBR >> > >> > >> >> >> Maxim aka solomax >> > >> > >> >> >> >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > >> > >> > >> >> > -- >> > >> > >> >> > Sebastian Wagner >> > >> > >> >> > https://twitter.com/#!/dead_lock >> > >> > >> >> > http://www.webbase-design.de >> > >> > >> >> > http://www.wagner-sebastian.com >> > >> > >> >> > [email protected] >> > >> > >> >> > >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> >> > >> > >> >> -- >> > >> > >> >> 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 >> [email protected] >> > >
