[AG-TECH] Release of AGVCR - recording AG sessions
Derek Piper
dcpiper at indiana.edu
Fri Nov 11 07:22:17 CST 2005
That's right, it works just like the docs say :>
Derek
monika.k.rabarison at ccaix.jsums.edu wrote:
> 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
>>>>
>>>>
>>>>
>>>
>>>
>>>
>
>
>
--
Derek Piper - dcpiper at indiana.edu - (812) 856 0111
IRI 323, School of Informatics
Indiana University, Bloomington, Indiana
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