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From "Joseph M. Morgan" <josephmmor...@hotmail.com>
Subject Re: [users@httpd] http video streaming
Date Fri, 11 Dec 2009 00:48:53 GMT
Sorry for the double post on this.. but I accidentally sent my response 
in HTML...

It has more to do with the video file.  I host streaming WMVs, and they 
work just fine without having to completely stream.  My system is Apache 
2.something running on Windows XP.  You don't need a special streaming 
server unless you want to do something like live TV or large video 
streaming...

I encode my file for WMV using Adobe Premiere Pro, but have done it with 
Adobe After Effects.  You probably don't need such exotic software.  I 
think Windows Movie Maker has an option for streaming WMV.

MPEG4 may require a plugin codec on some machines, but... now that I say 
that, Safari doesn't stream WMV out of the box.


Ted Byers wrote:
> Hi Janos,
>
>
> János Löbb wrote:
>   
>> On Dec 10, 2009, at 3:48 PM, André Warnier wrote:
>>
>>     
>>> Ted Byers wrote:
>>>       
>>>> Presently running Apache's httpd v 2.2.9 on Windows Server (and  
>>>> also on XP,
>>>> but my tests in question were run on the server).
>>>> I have attempted to get httpd video streaming working by making a  
>>>> wvx file
>>>> pointing at the video file I want to stream.  When I then point my  
>>>> browser
>>>> at it, the dialog asking to open media player appears, and when I  
>>>> click ok,
>>>> th eplayer opens immediately, but it waits until the entire file (a  
>>>> WMV
>>>> file) has been transferred, showing the progress of its being  
>>>> buffered by
>>>> the player, before it actually plays the file.
>>>>         
>>> ...
>>> I don't really know, and I am also interested in an authoritative  
>>> answer.
>>>
>>> But I will dare a guess, based on what I think I know of HTTP.
>>> My guess would be that streaming video (or audio) would rely on the  
>>> capability, both of the client and the server, to handle "range"  
>>> requests.  The client can ask for an object, but also specify "from  
>>> byte x to byte y". The server then sends that part, and the client  
>>> starts plaing it. At the same time, the client issues more requests  
>>> for subsequent ranges, and the server sends these chunks, etc..
>>> I guess that this must also mean that the format of the media itself  
>>> lends itself to it, in the sense that the information needed to play  
>>> the thing is sent at the beginning or with each chunk, and not at  
>>> the end.
>>> All in all, I would thus guess that to do real streaming, both the  
>>> client and the server have to be rather specialised for that task.
>>>
>>>
>>>       
>> There is more info here: http://dss.macosforge.org/
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>>
>>
>>     
>
> I've been there, and was looking at it as a medium term option.
>
> I guess I have two followup questions for you.
>
> 1) Am I to understand, then, that your answer is that I can't do this with
> Apache's httpd server and I have to deploy Apple's open source streaming
> video server?
>
> 2) If I use mpeg-4 files, will they then stream pproperly using http
> streaming?
>
> Thanks
>
> Ted
>   

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