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Home > Archive > Macromedia Flash Server > May 2005 > Stuttering Stream
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| Rob Bayne 2005-05-20, 5:45 pm |
| My stream will not play smoothly. It "stutters". This is my trace:
=20
"onStatus:NetStream.Seek.Notify
FlashComm is seeking...
onStatus:NetStream.Play.Start
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty"
=20
Any ideas why this is doing this?
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| Stefan Richter 2005-05-20, 5:45 pm |
| Your encoding bitrate is probably higher than the available bitrate for
viewing.
Imagine your buffer as a funnel, the small end is your viewing bandwidth. If
you pour too much in at the top (high bitrate video) then the funnel will
overflow (buffer empty) and you have to wait until you can pour more in
(once buffer is empty).
So a lower bitrate video may do the trick.
Also try a larger buffer (larger funnel, overflowing takes longer - but may
still happen).
Stefan
-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org] On Behalf Of Rob Bayne
Sent: Friday, May 20, 2005 8:06 PM
To: flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
Subject: [FlashComm] Stuttering Stream
My stream will not play smoothly. It "stutters". This is my trace:
"onStatus:NetStream.Seek.Notify
FlashComm is seeking...
onStatus:NetStream.Play.Start
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty
onStatus:NetStream.Buffer.Full
onStatus:NetStream.Buffer.Empty"
Any ideas why this is doing this?
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To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
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Supported by Fig Leaf Software - http://www.figleaf.com
=-----------------------------------------------------------
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| |
| Sean Moran 2005-05-20, 8:45 pm |
|
OR you may have a problem in your bandwidth detect - if using it.
Turns out the Vitalstream video component we have been using has
issues detecting bandwidth on dialup connections when detect is set
to client side - something due to modem compression or something.
Tests with dialup users result in them being sent 300k streams for
their speedy 56k connections. 
FWIW,
Sean
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| MHarris-vppm1TVqICB/8ZyCq/8wuYdd74u8MsAO@publi 2005-05-21, 5:45 pm |
| If you are having trouble getting the bandwidth detection to work, you can
use a non-FCS solution that works really well. Example:
http://www.sonify.org/home/feature/...tection/bandwid
thdetect1.html
go to http://www.sonify.org/home/feature/...widthdetection/
At the end of the tutorial you can download a zip file with a swf called
test.swf, and a .fla. The fla can easily be modified to choose flvs, load
movie clips for different bandwidths, you can even display it at 1 x 1 pixel
to choose a page or video for the user's bandwidth, anything.
It loads test.swf with a random variable at the end of the path, so it is
never cached, and counts how long it takes to load. I you put test.swf on
the flash com server, you will know exactly how fast the user is connected
to it.
Mike
-------------------------------------
Date: Fri, 20 May 2005 17:32:49 -0600
From: Sean Moran <sean-mzx94KdJ7Zk@public.gmane.org>
Subject: Re: [FlashComm] Stuttering Stream
To: FlashComm Mailing List <flashcomm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org>
Message-ID: <B5193289-D9AE-497F-BE93-6FEF06E941FD-mzx94KdJ7Zk@public.gmane.org>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
OR you may have a problem in your bandwidth detect - if using it.
Turns out the Vitalstream video component we have been using has
issues detecting bandwidth on dialup connections when detect is set
to client side - something due to modem compression or something.
Tests with dialup users result in them being sent 300k streams for
their speedy 56k connections.
FWIW,
Sean
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Supported by Fig Leaf Software - http://www.figleaf.com
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To change your subscription options or search the archive:
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