Re: Streaming

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From: Scott (anonymous_at_discussions.microsoft.com)
Date: 06/24/04 

Date: Thu, 24 Jun 2004 15:50:34 -0700

Hey Niel,
  This may make me sound stupid but whats a publishing
point? And we have 500 kbps outgoing.

Thanks,

Scott

>-----Original Message-----
>On Tue, 22 Jun 2004 14:12:03 -0700, "Scott"
<skeith@carlwalker.com>
>wrote:
>
>>If I save it as .asf instead of .wmv would that cause
it
>>to truly stream or "psuedo stream".
>
>No : .asf is a synonym for .wma/.wmv file types, the
content inside
>is *exactly* the same - you can rename a .wmv to .asf
and it'll still
>play the same.
>
>> Also what do I have
>>to do so that the files do actually stream. Cost
really
>>isn't a big issue. We already have Windows Media
Server
>>here at work, so what do I have to do so the files
>>actually stream?
>
>Do you have a publishing point ? What's your available
outgoing
>bandwidth ? Cheers - Neil
>
>>>-----Original Message-----
>>>On Tue, 22 Jun 2004 07:04:33 -0700, "Scott"
>><skeith@carlwalker.com>
>>>wrote:
>>>
>>>>I have been using Microsoft Encoder to compress and
>>save
>>>>the files as .wmv.
>>>>when someone tries to access them the result is what
I
>>am
>>>>told is called psuedo streaming. Playback is allowed
>>as
>>>
>>>Yes that's correct, although with a fast enough
>>connection it's not
>>>likely to be a big issue.
>>>
>>>>soon as enough data has been downloaded to fill a
>>>>playback buffer but, you have to download the entire
>>file
>>>>and you can't skip ahead untill earlier parts have
been
>>>>download.
>>>
>>>You can try to index the file when encoding, This
might
>>allow skipping
>>>through the content forwards at least, but probably
not
>>backwards.
>>>
>>>A better solution might be to encode portions of the
>>presentation,lets
>>>say in 5 minute lumps. Then, you create a playlist (an
>>ASX file which
>>>is plain text / xml) to string the parts back together
>>again.
>>>
>>>There might be very short breaks between the chapters
if
>>you have a
>>>mismatch of available bandwidth to required download
>>bandwidth, but if
>>>there's good overhead, each clip can begin to dowload
>>*before* the
>>>last one has finished.
>>>
>>>An example of the ASX format is listed here, just
adapt
>>one of the
>>>examples, it's pretty simple :
>>>http://www.streamingmedia.com/article.asp?id=8483
>>>
>>>You just need to add multiple sections for them to be
>>played in
>>>sequence or your viewers can access them randomly from
>>the playlist
>>>area of the player.
>>>
>>><entry>
>>> <ref href="http://blah/chapter1.wmv" />
>>></entry>
>>><entry>
>>> <ref href="http://blah/chapter2.wmv" />
>>></entry>
>>><entry>
>>> <ref href="http://blah/chapter3.wmv" />
>>></entry>
>>>
>>>>Someone said to get Windows Media Server off the
>>>>Microsoft site but I couldn't find anything to
download.
>>>
>>>It'll cost ya ;-)
>>>Cheers - Neil
>>>.
>>>
>
>.
>

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