[wdmaudiodev] Windows Logo Kit Test Failures

  • From: "Andrew Murray" <amurray@xxxxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Thu, 22 May 2008 16:11:06 +0100

I’ve been developing a driver based on the WaveCyclic model and am using the 
Windows Logo Kit Test to assist in testing; however I am getting some test 
failures which I cannot explain or understand. I’ve searched the web but there 
seems to be a lack of any documentation in this area.
The failures come from the wave test, I have a few questions
Standard Streaming\Rendering Pin Tests\Streaming buffer from different threads
-          This test is failing with the error “FAIL: Position (8804) is less 
than the amount of data streamed (0)”.
-          Can someone explain what this test is designed to do and how it 
works? It appears to set the render pin to run state and later call 
getposition, it then seems surprised that it has changed? Am I missing 
something here?
“Standard Streaming\Rendering Pin Tests\Streaming small buffer”
“Standard Streaming\Calling get position from the different thread”
-          These tests seem to fail, however there is no obvious ERROR or FAIL 
messages anywhere in the debug log (from the wtl file). 
-          The Streaming small buffer test passes every time when run using 
Can someone help me make sense of all this?
Andrew Murray

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