Frame Buffer and Deinterlacer are Missing Entry in .sdc File

You must manually add the Synopsys Design Constraint (.sdc) files to the Quartus II project for the following MegaCore functions:

• Deinterlacer
• Frame Buffer
• Clocked Video Input
• Clocked Video Output

All configurations that use any of these MegaCore functions are affected.

These .sdc files declare false paths that the Quartus II software should not consider during timing analysis. Timing closure for valid critical paths may not be achievable if you do not include these files in your project, which results in a nonfunctioning system.

Add the .sdc files manually from the project settings windows. In the Quartus II software, on the Project menu click Add/Remove Files in Project. Altera procides these .sdc files with your Quartus II installation and are in the following directory:

<install_dir>\ip\<megacore_function>\lib\alt_vip_<tla>.sdc

where:

<megacore_function> is deinterlacer, frame_buffer, clocked_video_input, or clocked_video_output<tla> is an acronym that identifies the MegaCore function

To verify that the Quartus II software corerctly adds the .sdc files, keep the Settings window open and click Timing Analysis Settings then TimeQuest Timing Analyzer in the tree menu.

This issue will be fixed in a future version of the Video and Image Processing Suite.