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Latency problems with BeagleBoard in acquiring and display modes

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Marco
Marco 2013 年 12 月 6 日
Hello,
I use BeagleBoard-xM and Simulink target package. When i build a simple model with V4L2 Video Capture block connected to SDL Video Display block (both from Simulink BB library) it runs, acquires from webcam and puts out to display .....but with a very high latency during execution (about 0.5 seconds).
I noticted that it runs any process under linux OS GUI and i think this slows the display mode execution. Is there a way to send video signal and to watch it without whole linux environment (raw)? Or, must i let it loads linux for show something in the display ?

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