Re: [Gumstix-users] Video over Ethernet

[Michael C. <mi...@ca...>]

well I have 1.5 MBit stream to transfer them over.  I was hoping for around 
640x480 but I can use smaller i if works better.

jpeg images will do ok.
----- Original Message ----- 
From: "Chad George" <ch...@mg...>
To: "General mailing list for gumstix users." 
<gum...@li...>
Sent: Tuesday, October 23, 2007 8:46 AM
Subject: Re: [Gumstix-users] Video over Ethernet


> What framerate and resolution are you looking for?
>
> I have been able to stream video by running a small app on the gumstix
> that reads from /dev/video0 and saves a single frame to a ramdisk as a
> jpeg file. Then I use socat to transfer this jpeg file when the client
> asks for a new frame.
>
> I only need to "monitor" the video remotely as my robot is the one
> really using it. This method is very light on system resources, but I
> only get 7 fps so I'm sure there is a better way. But if this looks
> like it will meet your needs how to do this much for sure.
>
> Something that compresses to an avi stream will likely be required if
> a much better framerate is required.
>
> -Chad
>
>
> On 10/22/07, Michael Caughey <mi...@ca...> wrote:
>>
>>
>> Have you added anything about your efforts on the wiki?  I'm soon going 
>> to
>> be embarking down the same trail.  I have a JMF server that outputs RTP
>> stream, but I think the over head might be too much.
>>
>> ----- Original Message -----
>> From: Jonathan Kunze
>> To: gum...@li...
>> Sent: Monday, October 22, 2007 9:52 PM
>> Subject: [Gumstix-users] Video over Ethernet
>>
>> Hey everybody!
>>
>> So, thanks to hours of toil learning Linux on the Gumstix and the 
>> wonderful
>> help everyone on this mailing list has contributed, my group has a 
>> working
>> Verdex XL6P with Ethernet (through a netmicroSD) and a webcam using the
>> GSPCA drivers. So thank you!
>>
>> Our next obstacle is getting the video captured from video0 out of the
>> gumstix through the ethernet port. The gumstix' ethernet port will be
>> connected to a switch, which sends the data into a computer running 
>> Ubuntu
>> with a video display. In essence, we need to take the video the camera 
>> sees
>> and view it on a desktop computer, all video data being transferred over
>> ethernet.
>>
>> My question now is, does anyone have any suggestions? Can this be done
>> simply, maybe by porting the video0 into eth0 and reversing the process 
>> on
>> the other side? Do we need some sort of server/client software?
>>
>> If anyone has done this, we would LOVE to hear how you did it and any
>> suggestions you have.
>>
>> Thanks!
>> - Jonathan Kunze
>>
>>
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