[Coco] Re: Help - There that got your attention.

Sat Aug 13 20:48:25 EDT 2005

On Saturday 13 August 2005 18:43, Dave Kelly wrote:
>> Dave, have you thought about doing an analog capture to AVI or
>> similar format (with audio), then converting that to whatever you
>> want (mpeg, mpeg2, divx, etc)? No, it won't be "digital", but once
>> you get everything compressed, remixed, and resized - it probably
>> won't look much different for the end result anyhow.
>>
>> You don't tell us what camera you are using, what interface you
>> are using, nor what software you are using. You seem to be using
>> some form of Linux, but you don't tell us what distribution and
>> version, etc.
>>
>> I agree with Gene's response that real time upload with
>> compression is not going to be possible without a hefty machine
>> and firewire. Just to upload raw will still require firewire, as
>> USB is too slow. Strangely, I would think you would get better
>> than 1 frame per second even at 640x480 resolution capture
>> (anything larger and it goes downhill quickly, which is why you
>> see USB webcams that only capture in QVGA res that fast).
>>
>> Personally, I would go with an analog real-time capture with a
>> Hauppage card to AVI or similar format. Do your editing, mixing,
>> and effects (you will still need a hefty machine - moving around
>> tons of data here) on the raw format, then once you have your
>> master, compress that down to the codec format of your choice (and
>> go have some lunch while it churns). Then burn it to VCD/DVD...
>
>After I went to bed last night, I thought about how much I had left
> out. So this reply is to you, Gene and Dennis.
>
>I have 2 computers I can devote to this project. Both were bought at
>Frys and have the Linspire Linux distribution. One is version 5.0
> and the other is version 4.5.  Each  has 1 gig of  memory. Both are
> hooked into a Belkin 802.11g router that is behind an Earthlink DSL
> modem. Router firewall and iptables in the OS. Both computers are
> running Apache listening on port 80. The computer with the version
> of Linspire 4.5 installed also has a Hauppage TV capture card.
>
>When we get to Chicago, we will have wifi and broadband available at
> the hotel.
>
>The camera I   have is the same one Gene has. A Sony Hi 8 Camcorder.
>I will also be using a Behring UB802 audio mixer and 4 Shure
>microphones.  I   havent tested any sound yet.
>
>I don't have a dual boot system so not windows stuff. I have been
> able to get the camera to work so far with the following linux
> applications; Camstream;  will only let me ftp an image every 1
> second.
>TVTime   :  same timing as above.
>webcam :  running right now. you have to  write your own configure
> file and it looks like you can set the uploading timing to  your
> specs. I have it set to .2 sec. (two tenths) and its been running
> since 11 this am. 6 hours. CPU usage is only running about 25 %.
>
>My 5.0 has its browser pointed to the address of the 4.5 computer  
> and is  picking up the index.htm file (posted next)
>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
>"http://www.w3.org/TR/html4/loose.dtd">
><html>
><head>
><META HTTP-EQUIV="pragma" CONTENT="no-cache">
><META HTTP-EQUIV="refresh" CONTENT="0">
><title></title>
></head>
><body>
><center>
><img src="webcam.jpg" width="480" height="360">
></center>
></body>
></html>
>This seems to also be keeping up with the fast upload rate of 10
> frames a second.
>
>The big problem I am having now is I can not get through my router
>firewall OR my OS firewall to test all this with a load on it. My IP
> is dynamic and I have seen text alluding to getting around this
> problem by nothing telling me how.

I think those suggestions refer to useing dyndns.com, which is a
service that essentially sets up your name so it only can be resolved
by their dns servers(points the rest of the worlds servers at theirs
for authoritative answers), all made to work in pretty close to
realtime by having you 'put me online' script grab the ip address
your are given and forwarding it to dyndns, at which point your name
will resolve, albeit a second or so slower due to the indirection
involved.

>Its time to go eat. I'll type more later tonight.
>Dave

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
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Copyright 2005 by Maurice Eugene Heskett, all rights reserved.