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Old 10-31-2004, 06:34 AM   #1
Bad_Bob
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Good software/hardware for Live TV


Our group is making a presentation to a bunch of people, and it's going to be in the style of a Live TV show. I need to know if there is any software in Linux that can do this. It needs to be able to show the direct video input, play some movies fullscreen (for some of the pre-recorded stories), add a small picture to the current input (i.e. the names on the bottom of the screen, picture in the corner of what they are talking about), and route the output to one window, and have the controls in another (so I can put the video on another display that's routed to the screens). Also, it needs to do this all realtime, seeing how everything is being shown live to the audience. Also, I need to know what TV cards work well in Linux, preferablely one that's cheap enough so we can afford it (we're a non-profit group). Any ideas?
 
Old 10-31-2004, 06:39 AM   #2
MasterC
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You need to run a what to where, through a who?

It sounds a bit cryptic to me (meaning I don't quite follow your requests fully) however, here's some quick and dirty on my personal experience with video:
mplayer is the do-all end-all application, if it can be done, it can be done with mplayer

Live TV is a bit of the hard problem, however if you simply will have something like a TV card running, and through it a camcorder setup, then you can probably just as easily use xawtv, however, mplayer will have more usability in integrating this into any other application (for me anyway ).

As for the TV card, anything with a bt8x8 where x is 4 or 7 will work fine in Linux and should be relatively cheap (I grabbed one for about 14 bucks on pricewatch about a week ago).

Cool
 
Old 10-31-2004, 06:43 AM   #3
Bad_Bob
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Sorry; let me try to clear that up.

What I need is something that can take video input and put stuff on top of it, such as a picture or some text. Also, it need to be able to switch from video input to a mpeg on my computer, and then switch back. The output window has to be that and nothing more; the controls can't be shown on TV.

That help any?
 
Old 10-31-2004, 06:55 AM   #4
MasterC
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Sure, a little bit. But I'm not quite sure how 'on demand' you'll be able to overlay text or pics onto the video. That will hopefully be answered by someone else.

As for the switching, mplayer should have no problem. A very very very simple example would be:
mplayer tv:// -tv driver=v4l
And as long as you have the video running through the tv card, this should suffice. Then to switch run:
mplayer -vo xv filename.mpg

And to run these together, if you know the amount of time, you can set it up in a simple script.

I guess for the overlay, you could embed this into a webpage? I really don't know, but also look at the videolan project at www.videolan.org to see if it might have anything you are looking for.

Cool
 
Old 10-31-2004, 07:12 AM   #5
Bad_Bob
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No, I can't have it on a webpage. It has to be in a window that has video and nothing else. That way I can have it fullscreen & borderless on a 2nd display, which is what the audience will see.

Also, could you post a link to the TV card? I tried to find one, but I couldn't find any.
 
Old 10-31-2004, 08:57 AM   #6
MasterC
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Well, the price has gone up to 33, check pricewatch for a price break, they happen so often... Anyway, here's a quick search:
http://www.censuspc.com/Merchant2/me...ry_Code=TVT001

Cool
 
  


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