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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
17 years ago

I am doing graphic overlays using the Altera VIP and NIOS processor. However, all of my stuff is homegrown. I wrote a frame reader and an overlay block. I also ported the nanox graphics library over to run on NIOS.

I know that Altera is planning to release a frame reader in the VIP suite in an upcoming release specifically for this purpose. Which means they will probably also have some sort of reference design to accompany it. You might hit up your FAE to see if you can get your hands on it early.

You can use the regular Scatter-Gather DMA controller but you'll have to write some custom logic to get it to play with the VIP.

Jake