[wdmaudiodev] Re: Kernel streaming Audio host code - Newbie needs help!

  • From: BlazeAudio Developer <developer@xxxxxxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx, <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Tue, 13 May 2003 19:02:33 -0700

The "USB Audio and Windows" whitepaper (available from 
http://www.microsoft.com/whdc/hwdev/tech/audio/USBaud.mspx) says:

"Starting with Windows 98, Usbaudio.sys supported the adaptive and 
synchronous endpoints, but it did not implement the asynchronous endpoint 
correctly. Full support for asynchronous endpoints in Usbaudio.sys is 
planned for Windows Longhorn."

However, I have implemented async. isoch. synch. mechanism on two different 
devices - and it has worked perfectly - starting from Windows 98 SE.

What's not correct about the implementation?

Thanks.
Devendra.

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