Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

What is the secret to how the VIP Scaler works, and can it handle 4:2:2 video?

We are currently working on a system which is fairly complex. We thought we could save some time by utilizing Altera's VIP Suite for decimation and interpolation (yuk, yuk). We are using custom fil...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

4:2:2 to 4:4:4 upsampling will use hardly any resources. All it is is a registering of the Cr and Cb values so they extended for an extra clock cycle, and the enable on the register toggles for new value.

so you end up with this: 


Y1  Y2  Y3  Y4  Y5  ....  
Cb1 Cb2 Cb2 Cb3 Cb3 ....  
Cr1 Cr1 Cr2 Cr2 Cr3 ....