Forum Discussion

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

Anyone have experience with using frame buffer to implement 3:2 pull-down?

We are looking for a fast and easy way to implement 3:2 pull-down utilizing the frame buffer. I have looked at the parameterization settings for the frame buffer and it seems that it is purely a stor...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

You configure the frame buffer to allow frame dropping and repeating. The output frame rate should be driven by whatever is driving the output. So for example, if you are driving SDI video at 60Hz, it's going to pull frames out of the buffer at 60fps. The frame buffer will therefore automatically repeat frames. The only place you can get into trouble is if you put two frame buffers in the path that both allow frame dropping and repeating.

Jake