[wdmaudiodev] Re: Need help in Wave Test
- From: Gaurav Khuntale <gauravkhuntale@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 4 Feb 2014 10:19:54 +0530
Hi Tim,
Yes, i started with MSVAD sample. There are major modifications in sample
code ( actually i haven't did this modifications, i am working on a driver
code which was already half-written. It was already containing wave filter
implementation and topology filter implementation. ).
Also i have less understanding of driver connection with OS. I am learning
it now. Thanks for the explanation of how IOCTL_KS_RESET_STATE works. So is
there anything which i must do in SetState method which i may be missing?
And i am returning IDMAChannel object from NewStream.
Thanks.
On Tue, Feb 4, 2014 at 1:06 AM, Tim Roberts <timr@xxxxxxxxx> wrote:
> Gaurav Khuntale wrote:
>
>
> I am working on following failure in wave test,
>
>
> What sample did you start with? Was it msvad?
>
>
>
> 1) Standard Streaming\Rendering Pin Tests\Reset Pin while streaming data
> KSPIN_DATAFLOW_IN pin is currently in state KSSTATE_PAUSE; want it to
> be in state KSSTATE_RUN
> Setting KSPIN_DATAFLOW_IN pin to state KSSTATE_RUN
> Position reported before issuing KSRESET_BEGIN = 121 bytes
> KSPIN_DATAFLOW_IN pin is currently in state KSSTATE_RUN; want it to be
> in state KSSTATE_RUN
> Resetting Pin state: IOCTL_KS_RESET_STATE (KSRESET_BEGIN)
> Position reported after issuing KSRESET_BEGIN = 0 bytes
> Submitting IOCTL_KS_WRITE_STREAM IRP ...
> GetLastError did not return ERROR_IO_PENDING even though the pin is
> paused
>
> [ GetLastError() returned 21 (0x15) - The device is not ready. ].
> FAIL: Failed WriteData(Render)/ReadData(Capture) to see if pin
> position is moving or not.
>
> Is there a need to implement notification callback of
> IOCTL_KS_RESET_STATE, IOCTL_KS_WRITE_STREAM IRP so that my test cases may
> get pass, if yes then can anyone please give me some reference for the
> implementation of these notification callback ? What exactly happens when
> request of IOCTL_KS_WRITE_STREAM IRP comes ?.
>
>
> It seems like you don't really have a good understanding of how your
> driver is connected. The port class driver handles all of those ioctls for
> you, and turns them into method calls in your driver. IOCTL_KS_RESET_STATE
> becomes a call to IMiniportWaveCyclicStream::SetState, which you are
> already handling.
>
> How much have you modified the sample code? Is it possible you aren't
> returning the IDmaChannel object from NewStream?
>
> --
> Tim Roberts, timr@xxxxxxxxx
> Providenza & Boekelheide, Inc.
>
>
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