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Effect of ADV212 Code FIFO Threshold Setting on Real-Time Video Display

Question asked by digitalone on Jul 12, 2012
Latest reply on Jul 12, 2012 by DaveD

Hello,

 

I am using an ADV7180 connected to a ADV212 with an NTSC Video Source.  The ADV212 is outputting interlaced data which we are de-interlacing in our own real-time video display software.

 

Originally I had the Code FIFO Threshold set to 4 16-bit words and video motion seemed pretty smooth.  I recently tried changing it to 8 16-bit words and now the motion is somewhat jerky.

 

It could be the way our software is handling things, but I thought I would ask the question.

 

What effect if any does the Code FIFO Threshold setting have on the smoothness of real-time video display?

 

Thanks.

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