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Snow noise display for ADV7625 software

Question asked by douglasxing Employee on Jul 23, 2014
Latest reply on Jul 24, 2014 by JeyasudhaMuthuPerumal

During evaluation for ADV7625, I have found an issue for snow noise display. TXB is dedicated for DVI (with HDCP) sink.

The situation can be repeated with following setup. DVD1 -> RXA, DVD2-> RXB, TXB -> TV. Use command “route a/b txb”to switch between input channels. Out of 20%, there will be snow(1~2s) before stable picture. My software version is 2.2.1Exp4. Could you please give a clue about how to disable Freerun mode after unplugging RX? I have tried to change codes inside app_notify.c for many means but failed. For example, setting FreerunDisabled=TRUE; return early in ProcessFreeRun() function.

Please take a look and give explanation.

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