CORRECTED URL: Multicast add-in for PowerPoint (http://www.research.microsoft.com/research/BARC/mbone/mppt.htm)
nickless at mcs.anl.gov
Tue Nov 30 19:37:29 CST 1999
Argh, the correct URL is
http://www.research.microsoft.com/research/BARC/mbone/mppt.htm instead of the
truncated one in my prior message.
At 07:33 PM 11/30/99 -0600, bnickless at ce.mediaone.net wrote:
> Multicast add-in for PowerPoint 97
> *Updated 10/13/99 - version 1.1*
> WHAT IT DOES
> The Multicast add-in for PowerPoint 97/2000 allows a presenter to multicast
> PowerPoint slides, including animations and effects, to a group of viewers.
> HOW TO INSTALL:
> * You must have Windows 95,98 or NT 4. PowerPoint 97 or 2000 must be
> * Windows 95 users must have
> <http://www.microsoft.com/windows95/info/ws2.htm>Winsock 2 installed.
> * Simply unzip
> .zip>version 1.1 in the directory of your choice.
> * The following files will be created:
>> mppt.exe - used to launch presenter or viewer
>> mpptPres.ppa - VBA code for presenter
>> mpptView.ppa - VBA code for viewer
>> mppt.dll - support library for presenter/viewer
>> Fcast.dll - support library for Fcast
>> HOW TO USE:
>> If PowerPoint is running, it must be closed.
>> To send: mppt <MAddr> <MPort> <LAddr> <LPort> <TTL> <MaxRate> <Presentation>
>> To view: mppt <MAddr> <MPort> <LAddr> <LPort> <TTL>
>> <MAddr> - multicast IP address for the slide master
>> <MPort> - port number for slide master
>> <LAddr> - multicast IP address for the live slides
>> <LPort> - port number for live slides
>> <TTL> - Time to live for ECSRM packets
>> <MaxRate> - maximum rate in kbps to send at
>> <Presentation> - name of PowerPoint presentation to multicast
>> mppt will launch PowerPoint and start the presenter/viewer. A menu item
>> "Multicast Slide Show" is added to the "tools" pull-down menu. This item may
>> be selected to re-start, in the case that cancel is selected.
>> When PowerPoint is closed, the original presconf.dll is restored, and the
>> "Multicast Slide Show" menu item is removed. The "restore" option is only
>> included in case of some failure; normally you will not need to use it.
>> * This is not a supported Microsoft product; it is a research prototype
>> only. All comments, questions, etc. should be directed to
>> <mailto:jgemmell at microsoft.com>Jim Gemmell only.
>> * The software will not work with read-only presentations. The receiver
>> must not have a read-only presentation open when starting from the menu.
>> * The IGMP implementation in NT 4 will not allow you to explicitly drop
>> out of a multicast group; packets will continue to be forwarded for
>> several minutes until a timeout occurs. This is fixed in SP4. Note: this
>> problem does not exist in the
>> <http://www.microsoft.com/windows95/info/ws2.htm>Winsock 2 installation
>> for Windows 95. This problem will not prevent the add-in from working.
>> However, it means that after dropping the slide master group packets will
>> continue to be forwarded needlessly for some time.
>> * 5/12/98 - Version 1.0
>> * 5/27/98 - Version 1.01 - fixed bug with 0's in addresses not allowed
>> * 6/2/98 - Version 1.02 - fixed bug with obtaining IP address on Windows
>> * 6/10/98 - Version 1.03 - added some messages to aid debugging and
>> updated IP address solution to make it faster in normal case.
>> * Previous to version 1.1, this software replaced the presconf.dll
>> the office directory each time it runs, then restored the orginal when
>> complete. If somehow this file is not restored, you will not be able to
>> use the regular PowerPoint 97 conferencing feature. The file is backed up
>> as presconf_orig.dll in office directory. Here is a copy of the
>> * 10/13/99 - Version 1.1 - mppt now an ActiveX control, so no need to
>> overwrite any PowerPoint DLLs.
>> Brought to you by the Microsoft Bay Area Research Center
>> nce/>Telepresence Group
>> m>RELATED LINKS
>> HOW IT WORKS
>> The Multicast PowerPoint Add-in uses two reliable multicast protocols:
>> for "live slides" (slides that are sent as the presentation happens, with
>> pre-sending of the next anticipated slide), and Fcast
>> <ftp://ftp.research.microsoft.com/pub/tr/tr-97-25.doc>Word) for the "slide
>> master" (the background, font, etc. used throughout the presentation). The
>> slide master is sent on one multicast group (address), and the live slides
>> are sent on another.
>> When a receiver starts, it joins the slide master group until it receives
>> the entire slide master. Then it drops out of the slide master group and
>> joins the live slide group for the duration of the presentation.
>> Control information to flip slides, do animations, etc. is send on the live
>> slide channel.
>> For more information see: A Scalable Multicast Architecture for One-to-many
>> Send feedback about this web page to <mailto:jgemmell at microsoft.com>Jim
>> <http://www.research.microsoft.com/research/BARC/mbone/mppt.htm/>msr home |
>> >features |
>> >profiles |
>> ain/research.asp>research | <http://www.microsoft.com>Microsoft
>> <http://www.microsoft.com/Misc/cpyright.htm>© 1997 Microsoft and/or its
> Bill Nickless http://www.mcs.anl.gov/people/nickless +1 630 252 7390
> PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7 nickless at mcs.anl.gov
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