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Altera_Forum's avatar
Altera_Forum
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13 years ago

extract only even lines from interlacer

hi, i have a progressive frame made by a pal frame deinterlaced with weave alghoritm. now i want to extract only the original even lines of this progressive frame. So my progressive fram...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

> i need a custom component for doing that, for keeping the ready latency to 1, i need to insert a fifo too.

> Maybe is more convenient to do my interlacer since i have to do the input and output streaming interface anyway

I believe you could hack the interlace nibble with very simple hardware so this may be overkill. Whichever way you decide to proceed this should be helpful:

http://www.alterawiki.com/wiki/vip_control_decoder