[wdmaudiodev] IPreFetchOffset and AC3

  • From: "Van Mieghem, Dirk" <dvm@xxxxxxxx>
  • To: "'wdmaudiodev@xxxxxxxxxxxxx'" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 29 Nov 2002 18:52:30 +0100

Hi Martin,

the article at http://www.microsoft.com/hwdev/tech/audio/highperf-drv.asp
mentions the IPreFetchOffset interface. In a final attempt to get AC3
reliably going, I checked if this interface is queried on any pin but
neither W2K/SP3 nor WXP/SP1 seems to use this interface. Is this interface
supposed to fix the AC3 problems with WavePCI? I tried to reduce the
mappings to the bare minimum but AC3 over DirectSound still can't keep up.

Any suggestions?

Thanks,
Dirk
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