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From Ted Byers <r.ted.by...@gmail.com>
Subject Re: [users@httpd] http video streaming
Date Thu, 10 Dec 2009 23:22:53 GMT

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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