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Altera_Forum's avatar
Altera_Forum
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17 years ago

On Screen Display (OSD) options

We've got a good video signal going through our system but need a good On Screen Display (OSD) core that will allow the NIOS to overlay windows on-screen. We explored the VIP Frame Buffer module for ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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Perhaps this one will be useful?

http://www.altera.com/support/refdesigns/sys-sol/broadcast/ref-format-conversion-udx3.html

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Thanks! However, I have that one and it only uses the Frame Reader type of input; the UDX4 example has the ALPHA stream connected to a stream. (Unfortunately, it is not easily found - The Wiki Link is broken and I have an email into my FAE).

BUT, what I also need is more detail on how to create an ALPHA stream from a graphics stream, so I can overlay it on some video (Symbology and text).

Mike