Video player built from Stellaris Launchpad

Hackaday

stellaris-launchpad-playing-video

We think it’s pretty impressive to see a Stellaris Launchpad playing back Video and Audio at the same time with a respectable frame rate. It must be a popular time of year for these projects because we just saw another video playback hack yesterday. But for this project [Vinod] had a lot less horsepower to work with.

He’s using a 320×240 display which we ourselves have tried out with this board. It’s plenty fast enough to push image data in parallel, but if you’re looking for full motion video and audio we would have told you tough luck. [Vinod’s] math shows that it is possible with a bit of file hacking. First off, since the source file is widescreen he gets away with only writing to a 320×140 set of pixels at 25 fps. The audio is pushed at 22,400 bytes per second. This leaves him very few cycles…

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