[AG-TECH] Release of AGVCR - recording AG sessions
monika.k.rabarison at ccaix.jsums.edu
monika.k.rabarison at ccaix.jsums.edu
Thu Nov 10 16:05:02 CST 2005
OK. It could fork rat and vic only when I use the -x options
(as stated in the help).
I guess that explains why I could not have vic and rat start
when I just clicked on
the agvcr icon. Please correct me if I am wrong.
-Cheers,
Monika
> It should because they are in my PATH.
>
> >
> > Does the app know where your vic and rat exes are? Are
> > they in your PATH?
> >
> >
> > _ _ _
> >
> > Zsolt Nagykaldi, PhD
> > Research Associate, Clinical IT Specialist
> > University Of Oklahoma Health Sciences Center
> > Department Of Family And Preventive Medicine
> > Oklahoma Center For Family Medicine Research
> >
> > 900 NE 10th Street
> > Oklahoma City, OK 73104
> > Phone: (405) 271-8000 Ext.:1-32212
> > Fax: (405) 271-1682
> >
> > ________________________________
> >
> > From: monika.k.rabarison at ccaix.jsums.edu
> > [mailto:monika.k.rabarison at ccaix.jsums.edu] Sent: Thu
> > 11/10/2005 2:37 PM To: Nagykaldi, Zsolt F. (HSC); Derek
> > Piper; Wachtel,Robert L Cc: Access Grid Technical
> > mailing list Subject: RE: [AG-TECH] Release of AGVCR -
> > recording AG sessions
> >
> >
> >
> >
> > Thanks Zsolt. Your trick works for me too when I start
> > agvcr from the command line. I still need to figure out
> > why rat and vic don't start when I run agvcr from the
> > icon. I tried with rat and vic in same dir as agvcr,
> > then with rat and vic in the path.
> >
> > Derek, this is great application!
> >
> > Cheers,
> > Monika
> >
> > >
> > > A simple trick I used was to play back vic and rat
> > > streams on "localhost" after you start vic and rat
> > > manually, with the same audio and video ports. E.g.
> > > you start rat -- assuming rat is added to your PATH
> > > variable -- (rat.exe 127.0.0.1/32210) and vic (vic.exe
> > > 127.0.0.1/32214). Using "localhost" and the same UDP
> > > ports in the player you can play your recorded session
> > > on your computer.
> > > Zsolt
> > >
> > > _ _ _
> > >
> > > Zsolt Nagykaldi, PhD
> > > Research Associate, Clinical IT Specialist
> > > University Of Oklahoma Health Sciences Center
> > > Department Of Family And Preventive Medicine
> > > Oklahoma Center For Family Medicine Research
> > >
> > > 900 NE 10th Street
> > > Oklahoma City, OK 73104
> > > Phone: (405) 271-8000 Ext.:1-32212
> > > Fax: (405) 271-1682
> > >
> > > ________________________________
> > >
> > > From: Derek Piper [mailto:dcpiper at indiana.edu]
> > > Sent: Thu 11/10/2005 11:25 AM
> > > To: Wachtel, Robert L
> > > Cc: monika.k.rabarison at ccaix.jsums.edu; Nagykaldi,
> > > Zsolt F. (HSC); Access Grid Technical mailing list
> > > Subject: Re: [AG-TECH] Release of AGVCR - recording AG
> > sessions >
> > >
> > >
> > >
> > > Hi,
> > >
> > > Yes, I should probably note that problem in
> > > the 'known issues' stuff. Problem is I wrote a lot of
> > > this code a few months ago and only just recently did
> > > the website, so in testing with all of you fine folks
> > > I'm saying 'oh yea!' and trying to catch up on the
> > > documentation ... oops :)
> > > Now, you *should* be able to immediately play
> > > back to the same venue you recorded from, while the
> > > AGtk VIC and RAT are running. This is true when AGVCR
> > > is running from Linux. It allows this because AGVCR is
> > > altering the SSRCs in every packet sent out on
> > > playback, thus since it appears to VIC and RAT as if
> > > new sources have 'appeared', then all works as it
> > > should. Under Windows I found that if I enabled this
> > > 'packet munging' for audio streams then it resulted in
> > > no audio being played at all - regardless of venue,
> > > whereas under Linux it worked fine. I will
> > > reinvestigate this but under Windows builds it's
> > > disabled for audio streams since the behavior was
> > > deemed 'unreliable', and I wanted to be sure that in
> > > both builds the stream output worked for most cases
> > > where a recording is played back at a
> > > different time from the original. In your test here,
> > > it would work in the same venue if participants
> > > reloaded the venue, since then VIC and RAT would
> choose new SSRCs for their packets and everyone would be
> > > happy. The garbled audio in this case is from more
> > > than one source having the same SSRC, which is against
> > the spec, i.e. bad. >
> > > Derek
> > >
> > > Wachtel, Robert L wrote:
> > > > I just completed a test session with the folks at
> > > > ANL. Recording worked well. Playback did not do so
> > > > well until I switched venues from the one in which I
> > > > made the original recording. Playback then worked
> > > well. Just as with recording playback does require you
> > > > to have a multicast session active and join into the
> > > > multicast group with the configuration in AGVCR.
> > > >
> > > > Playback while still in the original venue caused
> > > > broken audio from the other remote sites and I could
> > > > not hear any of the playback audio though I could
> > > see the video playback as well as the continuing live
> > > > > video. This is on a Windows XP Pro SP2 in
> > > multicast. >
> > > > Bob W.
> > > > 243-2857
> > > >
> > > > -----Original Message-----
> > > > From: owner-ag-tech at mcs.anl.gov
> > > > [mailto:owner-ag-tech at mcs.anl.gov] On Behalf Of
> > > > monika.k.rabarison at ccaix.jsums.edu Sent: Thursday,
> > > > November 10, 2005 9:42 AM To: Nagykaldi,Zsolt F.
> > > > (HSC) ; dcpiper at indiana.edu Cc: Access Grid
> > > > Technical mailing list Subject: RE: [AG-TECH]
> > > Release of AGVCR - recording AG sessions >
> > > > Also, when I start agvcr from the command line and
> > > > play back the recorded file, vic and rat start but
> > > > showing the current video and audio in the venue,
> > > instead of the recorded ones. >
> > > >
> > > >>Hi All,
> > > >>
> > > >>I am currently trying it on XP Pro SP2 with
> > > multicast. >>Recording seems to work fine (the file
> > > got some size). >>When playing back, I don't see vic
> > > and rat starting. >>
> > > >>I am not sure what I am doing wrong. Attached is a
> > > >>snaphot. Note the "File Offset: .....out of 0 bytes"
> > > ???? >>
> > > >>TIA
> > > >>Monika
> > > >>
> > > >>
> > > >>
> > > >>>
> > > >>>Win XP Pro SP2. Works like a charm in multicast.
> > > >>>
> > > >>>Zsolt
> > > >>>
> > > >>>
> > > >>>_ _ _
> > > >>>
> > > >>>Zsolt Nagykaldi, PhD
> > > >>>Research Associate, Clinical IT Specialist
> > > >>>University Of Oklahoma Health Sciences Center
> > > >>>Department Of Family And Preventive Medicine
> > > >>>Oklahoma Center For Family Medicine Research
> > > >>>
> > > >>>900 NE 10th Street
> > > >>>Oklahoma City, OK 73104
> > > >>>Phone: (405) 271-8000 Ext.:1-32212
> > > >>>Fax: (405) 271-1682
> > > >>>
> > > >>>________________________________
> > > >>>
> > > >>>From: dcpiper at indiana.edu
> > > [mailto:dcpiper at indiana.edu] >>>Sent: Wed 11/9/2005
> > > 7:07 PM >>>To: Nagykaldi, Zsolt F. (HSC)
> > > >>>Cc: Access Grid Technical mailing list
> > > >>>Subject: RE: [AG-TECH] Release of AGVCR - recording
> > > AG >>>sessions
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>Hi Zsolt,
> > > >>>
> > > >>>Yea, that's one thing noted in the 'known issues',
> > > the >>>problem with recording from unicast. I'm glad
> > > to hear >>>AGConnector helped, I like that program.
> > > There's some >>>old code in there that I wrote for
> > > trying to send data >>>to QuickBridge (since it seems
> > > to need to receive >>>something in order to send data
> > > back to you) but I never >>>did get it working to any
> > > satisfaction. >>>
> > > >>>Since I'm replying to all I was aware (as is
> > > typical >>>after announcing something works) that
> > > under Windows now >>>it appears to have problems with
> > > reading or displaying >>>the file length, something
> > > for me to look at tomorrow. >>>
> > > >>>Growing pains I think, I've been rewriting a lot of
> > > it >>>(under Linux for the most part) in the last few
> > > weeks as >>>I've considered more things that I wanted
> > > to add, and lo >>>today I 'got the nod' to release it.
> > > So I thought I'd >>>let everyone take a look instead
> > > of me sitting on it a >>>moment longer. This may be
> > > good and bad , but as long as >>>everyone treats it as
> > > 'alpha' for now until more testing >>>is done then I
> > > think we'll all be good. I do not think >>>the file
> > > format will need to change, given all that I >>>have
> > > in my 'future plans' , so any recordings made now
> > > >>>will work in later versions. If for some reason it
> > > does, >>>I will make available the converter program I
> > > have used >>>to convert previous recordings to the new
> > > format. >>> >>>Thanks for trying it out, incidentally,
> > > what version did >>>you use, Windows or Linux?
> > > >>>
> > > >>>Derek
> > > >>>
> > > >>>Quoting "Nagykaldi, Zsolt F. (HSC)"
> > > >>><Zsolt-Nagykaldi at ouhsc.edu>:
> > > >>>
> > > >>>
> > > >>>>Fantastic Derek, thanks! One thing. In bridged
> > > unicast >>>>the recorder can not establish connection
> > > with the IPs >>>>and ports listed. However, in
> > > multicast (even with the >>>>AG Connector) it rocks!
> > > >>>>Zsolt
> > > >>>>
> > > >>>>
> > > >>>>_ _ _
> > > >>>>
> > > >>>>Zsolt Nagykaldi, PhD
> > > >>>>Research Associate, Clinical IT Specialist
> > > >>>>University Of Oklahoma Health Sciences Center
> > > >>>>Department Of Family And Preventive Medicine
> > > >>>>Oklahoma Center For Family Medicine Research
> > > >>>>
> > > >>>>900 NE 10th Street
> > > >>>>Oklahoma City, OK 73104
> > > >>>>Phone: (405) 271-8000 Ext.:1-32212
> > > >>>>Fax: (405) 271-1682
> > > >>>>
> > > >>>>________________________________
> > > >>>>
> > > >>>>From: owner-ag-tech at mcs.anl.gov on behalf of Derek
> > > >>>>Piper Sent: Wed 11/9/2005 2:57 PM
> > > >>>>To: Access Grid Technical mailing list
> > > >>>>Subject: [AG-TECH] Release of AGVCR - recording AG
> > > >>>
> > > >>>sessions >
> > > >>>
> > > >>>>
> > > >>>>
> > > >>>> Hi all,
> > > >>>>
> > > >>>> I'm happy to announce that finally I've
> > > been >>>>given the go-ahead to release AGVCR to the
> > > community. >>>>It was a program I started writing
> > > around January and >>>>it was ready for release in a
> > > workable incarnation >>>
> > > >>>some time in June. However, due to possible
> > > 'intellecual >>>
> > > >>>>property' concerns from 'those that deal with
> > > those >>>>things' at IU, I was unable to release it
> > > back then. I >>>>declined to mention it to the
> > > community at large until >>>
> > > >>>this release so as not to 'tease' people with a
> > > product >>>
> > > >>>>they could not get. I won't get into griping about
> > > >>>>that on this list :> Some of you have known about
> > > this >>>>program earlier since we have had AccessGrid
> > > meetings >>>>that I have recorded. For those parties
> > > concerned, we >>>
> > > >>>can communicate off-list on the best way to get the
> > > >>>
> > > >>>> recordings to you. AGVCR is a program to
> > > >>>>record and play back the RTP/RTCP stream that an
> > > >>>>AccessGrid conference uses. The amount of data it
> > > >>>>gathers is certainly non-trivial, a few hours of
> > > >>>>recording with a number of participants can easily
> > > >>>>reach a few gigabytes in size. Timing and minimal
> > > >>>> overhead information is embedded in the
> > > file >>>
> > > >>>for accurate playback. The website for the project
> > > is >>>
> > > >>>> here: >
> > > >>>
> > > >>>http://iri.informatics.indiana.edu/~dcpiper/agvcr/
> > > > >>>
> > > >>>> I invite anyone interested to take a look,
> > > >>>>download and use it to see
> > > >>>>what you think. I welcome feedback, please bear in
> > > >>>>mind though that it is still being actively worked
> > > on. >>>>A number of changes have been made of late, so
> > > testing >>>>has not been as extensive as it probably
> > > should be, >>>
> > > >>>but that's another reason to get it out there. The
> > > >>>
> > > >>>> website has source for Linux/Unix and a
> > > precompiled >>>>binary for Windows. I may add
> > > pre-compiled binaries >>>
> > > >>>for popular Linuxes if there is interest. >
> > > >>>
> > > >>>> Thanks,
> > > >>>>
> > > >>>> Derek
> > > >>>>
> > > >>>>--
> > > >>>>Derek Piper - dcpiper at indiana.edu - (812) 856 0111
> > > >>>>IRI 323, School of Informatics
> > > >>>>Indiana University, Bloomington, Indiana
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > > >>
> > > >>
> > > >>[Attachment: agvcr.jpg]
> > > >
> > > >
> > > >
> > >
> > > --
> > > Derek Piper - dcpiper at indiana.edu - (812) 856 0111
> > > IRI 323, School of Informatics
> > > Indiana University, Bloomington, Indiana
> > >
> > >
> > >
> >
> >
> >
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