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Altera_Forum
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16 years ago

Buffer Overflow and Underflow in Clocked Video Input/Output

Hi I am designing a video system to buffer three HD 1080p video stream. The input is in RGB 4:4:4 format at 148.5MHz. Output is also the same. I am using Quartus 9.0 SP1. The system for ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

1 - Make sure your timing is properly constrained and that you are meeting timing requirements.

2 - If I understand correctly, you've got a 64-bit DDR2 interface. How wide is the local interface with the Microtronix controller. Make sure all the memory masters on your frame buffers are set to match that width. Also, make sure your burst targets are set to at least 32.

3 - You should get the design working with one video processing path first. Then add to it.

Jake