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List:       ms-wmtalk
Subject:    Re: multiple players in the same process/web page
From:       Curtis Rudbart <crudbart () PARABLECORP ! COM>
Date:       1998-05-26 12:54:51
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Hi Scott,

You are corect.  The properties box for the offending clip indicates that it
does use the MPEG Layer-3 codec ( 32kBits/s, 22050 Hz, mono).  The lower density
clips that will run in multiple players use the Voxware MetaSound codec (AC10,
11Khz, mono).

Thanks,
Curtis

Scott Harrison (Exchange) wrote:

> This is CODEC dependant.  The codec must support this.  What codec are you
> using?
>
> For example I bet you are using Mpeg2 L3 (FHG) since that is the only audio
> codec I am aware of that will encode > 96 k and that is one that you will
> find problems with playing multiple audio streams at the same time.
>
> -----Original Message-----
> From: Curtis Rudbart [mailto:crudbart@PARABLECORP.COM]
> Sent: Thursday, May 21, 1998 5:56 AM
> To: Netshow@DISCUSS.MICROSOFT.COM
> Subject: Re: multiple players in the same process/web page
>
> Hi Rob,
>
> I did a little more research & determined that this problem is content
> dependent.  I can play multiple streams in a single process as long as no
> more than one of them is playing content is coded for transfer at 128K or
> higher.  This behavior is  consistent in the IE 4.0 browser environment and
> in my MFC app and under both NT  and 95. At least this applies to content
> stored on my local hard disk; I have not tested this using net-based
> content.
>
> Thanks for your help,
> Curtis
>
> Rob Martell wrote:
>
> > It could be NT ( I am running 95 ) . It might be NT struggling to share
> > the audio resources and will only let one play at a time.
> >
> > They both start playing on the page ( although slightly out of sync ) -
> > creates a nice echo.
> >
> > I can control both with the buttons. Play and Stop.
> >
> > Rob
> >
> > > -----Original Message-----
> > > From: Curtis Rudbart [SMTP:crudbart@PARABLECORP.COM]
> > > Sent: Wednesday, May 20, 1998 1:51 PM
> > > To:   Netshow@DISCUSS.MICROSOFT.COM
> > > Subject:      Re: multiple players in the same process/web page
> > >
> > > Hi Rob,
> > >
> > > Thanks for the quick reply.  I added the buttons to my page and  I
> > > can't get
> > > both to play at the same time even starting them with the buttons.
> > > One will
> > > only display the multicolor flag while the other plays its stream.  If
> > > I
> > > stop the one playing,   then I can start playing the other one, but
> > > then the
> > > first won't play.  Maybe there is something wrong with my
> > > installation?  I'm
> > > running NT Workstation 4.0 SP3.  The machine is a Pentium Pro 200 with
> > > 80MB
> > > of memory, Matrox Millenium w/ 4MB, NEC MultiSync, & SoundBlaster.  I
> > > installed the beta 2 control from theWeb site using the nsfull.exe
> > > program.
> > >
> > > <form>
> > > <Input type = "button" value ="Start1" onclick = "NSPlay1.Play()">
> > > <Input type = "button" value ="Start2" onclick = "NSPlay2.Play()">
> > > <Input type = "button" value ="Stop1" onclick = "NSPlay1.Stop()">
> > > <Input type = "button" value ="Stop2" onclick = "NSPlay2.Stop()">
> > > </Form>
> > >
> > >
> > > Rob Martell wrote:
> > >
> > > > Curtis,
> > > >
> > > > I just add this to your sample and it worked fine here ( IE4.0  with
> > > > Beta 2 )
> > > >
> > > > <form>
> > > > <Input type = "button" value ="Start1" onclick = "NSPlay1.Play()">
> > > > <Input type = "button" value ="Start2" onclick = "NSPlay2.Play()">
> > > > </Form>
> > > >
> > > > Is this what you mean?
> > > >
> > > > Rob
> > > >
> > > > > -----Original Message-----
> > > > > From: Curtis Rudbart [SMTP:crudbart@PARABLECORP.COM]
> > > > > Sent: Wednesday, May 20, 1998 12:04 PM
> > > > > To:   Netshow@DISCUSS.MICROSOFT.COM
> > > > > Subject:      multiple players in the same process/web page
> > > > >
> > > > > Hi,
> > > > >
> > > > >     I was wondering if anyone knows if the final version of the
> > > > > control
> > > > > will be able to support multiple controls playing when both
> > > controls
> > > > > are
> > > > > in the same process.  When I load the simple HTML listed below
> > > into IE
> > > > > 4.0,  both controls display, but only one actually starts playing
> > > > > video.  Sometimes it is the first player that runs, sometimes the
> > > > > second
> > > > > one.  This behavior is consistent with what I am observing in my
> > > own
> > > > > MFC
> > > > > based application. Any thoughts?
> > > > >
> > > > >
> > > > > <HTML>
> > > > > <BODY>
> > > > > Test Page with two NetShow players
> > > > > <P>
> > > > > <OBJECT ID="NSPlay1" WIDTH=0 HEIGHT=0
> > > > > CLASSID="CLSID:2179C5D3-EBFF-11CF-B6FD-00AA00B4E220">
> > > > >     <PARAM NAME="AllowChangeControlType" VALUE="0">
> > > > >     <PARAM NAME="AnimationAtStart" VALUE="0">
> > > > >     <PARAM NAME="ClickToPlay" VALUE="0">
> > > > >     <PARAM NAME="FileName"
> > > VALUE="D:\Work\OceanTrailerLetter256.asx">
> > > > >     <PARAM NAME="AllowChangeDisplaySize" VALUE="0">
> > > > > </OBJECT>
> > > > >
> > > > > <P>
> > > > >
> > > > > <OBJECT ID="NSPlay2" WIDTH=0 HEIGHT=0
> > > > > CLASSID="CLSID:2179C5D3-EBFF-11CF-B6FD-00AA00B4E220">
> > > > >     <PARAM NAME="AllowChangeControlType" VALUE="0">
> > > > >     <PARAM NAME="AnimationAtStart" VALUE="0">
> > > > >     <PARAM NAME="ClickToPlay" VALUE="0">
> > > > >     <PARAM NAME="FileName" VALUE="D:\Work\Dolphins256.asx">
> > > > >     <PARAM NAME="AllowChangeDisplaySize" VALUE="0">
> > > > > </OBJECT>
> > > > > </body>
> > > > > </html>
> > > > >
> > > > >
> > > > > --
> > > > >
> > > ----------------------------------------------------------------------
> > > > > --------------------
> > > > >
> > > > >    Curtis Rudbart
> > > > >    Parable
> > > > >    1220 Washington Street
> > > > >    West Newton, MA 02165-2147
> > > > >    617.796.0860 x112 (voice)
> > > > >    617.796.0861 (fax)
> > > > >
> > > > >    The problem with the world is that everyone is a few drinks
> > > behind.
> > > > >     --Humphrey Bogart
> > > > >
> > > > >
> > > ----------------------------------------------------------------------
> > > > > --------------------
> > > > >
> > > > > ----------------------------------------------------------------
> > > > > Users Guide
> > > http://www.microsoft.com/sitebuilder/resource/mailfaq.asp
> > > > > contains important info including how to unsubscribe.  Save time,
> > > > > search
> > > > > the archives at http://discuss.microsoft.com/archives/index.html
> > > >
> > > > ----------------------------------------------------------------
> > > > Users Guide
> > > http://www.microsoft.com/sitebuilder/resource/mailfaq.asp
> > > > contains important info including how to unsubscribe.  Save time,
> > > search
> > > > the archives at http://discuss.microsoft.com/archives/index.html
> > >
> > >
> > >
> > > --
> > > ----------------------------------------------------------------------
> > > --------------------
> > >
> > >    Curtis Rudbart
> > >    Parable
> > >    1220 Washington Street
> > >    West Newton, MA 02165-2147
> > >    617.796.0860 x112 (voice)
> > >    617.796.0861 (fax)
> > >
> > >    The problem with the world is that everyone is a few drinks behind.
> > >     --Humphrey Bogart
> > >
> > > ----------------------------------------------------------------------
> > > --------------------
> > >
> > > ----------------------------------------------------------------
> > > Users Guide http://www.microsoft.com/sitebuilder/resource/mailfaq.asp
> > > contains important info including how to unsubscribe.  Save time,
> > > search
> > > the archives at http://discuss.microsoft.com/archives/index.html
> >
> > ----------------------------------------------------------------
> > Users Guide http://www.microsoft.com/sitebuilder/resource/mailfaq.asp
> > contains important info including how to unsubscribe.  Save time, search
> > the archives at http://discuss.microsoft.com/archives/index.html
>
> --
> ----------------------------------------------------------------------------
> --------------
>
>    Curtis Rudbart
>    Parable
>    1220 Washington Street
>    West Newton, MA 02165-2147
>    617.796.0860 x112 (voice)
>    617.796.0861 (fax)
>
>    The problem with the world is that everyone is a few drinks behind.
>     --Humphrey Bogart
>
> ----------------------------------------------------------------------------
> --------------
>
> ----------------------------------------------------------------
> Users Guide http://www.microsoft.com/sitebuilder/resource/mailfaq.asp
> contains important info including how to unsubscribe.  Save time, search
> the archives at http://discuss.microsoft.com/archives/index.html
>
>   ------------------------------------------------------------------------
>
>    Part 1.2       Type: application/ms-tnef
>               Encoding: base64

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