Fix for bttv Interlace in 640x480

Support and queries relating to all previous versions of ZoneMinder
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victor_diago
Posts: 245
Joined: Wed Jan 21, 2004 2:44 pm
Location: Brazil, sao paulo
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Fix for bttv Interlace in 640x480

Post by victor_diago »

Hi people.

ive found this : Vidsplit.

It splits the two channels that sometimes get interlaced so you can choose X or Y.

Capture gets a half of speed, but quality seems to be good.

I will make some tests :

http://linux.softpedia.com/get/Multimed ... 9554.shtml

Thanks

Victor Diago
jameswilson
Posts: 5111
Joined: Wed Jun 08, 2005 8:07 pm
Location: Midlands UK

Post by jameswilson »

i have done a little research and i believe that because the bttv driver is operated in 'snapshot' mode we will always have issues with combing. It appears that all newer gen stugg is capturing mpeg so doesnt have the same snapshot problem (am i right?) SO iwas wondering if we can chnage the way zm gets the image so not to have this problem, or not?

Cheers
James Wilson

Disclaimer: The above is pure theory and may work on a good day with the wind behind it. etc etc.
http://www.securitywarehouse.co.uk
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