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Archive MPEG Decoding | CODExperiments
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Jan 28 2009

MPEG Decoding update

Well… it seems I ran into the classic SetData() problem on the XBox 360. It really is THAT slow! So my new improvements (multithreading) didn’t do anything for the XBox. I then changed the code to create the frames on a seperate thread, and THAT improved performance. Now I’m up to about 42 FPS (max) against the old 24-27’ish frame rate.

Next up is trying to improve picture quality using shaders! More on that later!


Jan 24 2009

Multithreading

Multithreading the MPEG decoding process, I’ve managed to increase the performance of the decoder by ~28.71%. I’m hoping to squeeze another 2-3% out of the decoder on the cost of more memory consumption.

On another note, just got word from the Microsoft repair center that my XBox 360 already is on it’s way back… impressive to say the least! They only had it for 3 days before fixing and returning it. Looking forward to getting it back so I can test the new code 🙂


Jan 21 2009

Full Motion Video in XNA


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