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From 11/21/2019 to 12/20/2019

12/20/2019

09:56 PM Feature #85: 720p support/1080i support
I guess 1080i is also possible.
Want to note that for 720p60 I need to adjust the frame rate again. Was using 59.94 ...
foft
09:53 PM Feature #85: 720p support/1080i support
All the methods seem to need a bunch of multipliers, but fortunately we have some on Cyclone V. 25 DSP blocks on A2 a... foft
09:52 PM Feature #85: 720p support/1080i support
I wrote some octave scripts to try these out. Plugging mister filters in for one set and for the other set doing area... foft
09:50 PM Feature #85: 720p support/1080i support
Great paper on scaling algos foft
09:43 PM Feature #85: 720p support/1080i support
Experimented with filter based scaling. Going with an area based scaler for now instead. foft
09:43 PM Feature #85 (In Progress): 720p support/1080i support
HDMI syncs with 74.25MHz pixel clock. Cyclone V seems surprisingly happy with 742MHz gpio outputs via DDR registers. foft
09:41 PM Feature #85 (In Progress): 720p support/1080i support
Implement 720p60 and 720p50 support, with suitable scaling foft
 

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