[wdmaudiodev] Re: WaveRt driver pull mode vs push mode for logo certification
- From: Surabhi Ghaisas <ghaisas.surabhi@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 19 Jun 2012 12:31:34 +0530
Thanks Mathew. yes i have the entry , i pasted wrong line in email.
On Tue, Jun 19, 2012 at 12:55 AM, Matthew van Eerde <
Matthew.van.Eerde@xxxxxxxxxxxxx> wrote:
> Since you mention that WMP uses pull mode, I suspect you have the .inf
> entry set correctly. However, WHQL tests will often stream directly to the
> driver rather than going through the audio engine.****
>
> ** **
>
> As such, they are free to stream in either event-driven mode or
> timer-driven mode.****
>
> ** **
>
> *From:* wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:
> wdmaudiodev-bounce@xxxxxxxxxxxxx] *On Behalf Of *Matthew van Eerde
> *Sent:* Monday, June 18, 2012 8:54 AM
> *To:* wdmaudiodev@xxxxxxxxxxxxx
> *Subject:* [wdmaudiodev] Re: WaveRt driver pull mode vs push mode for
> logo certification****
>
> ** **
>
> I believe you want:****
>
> ** **
>
> HKR,"EP\\0",%PKEY_AudioEndpoint_Supports_EventDriven_Mode%,0x00010001,0x1*
> ***
>
> ** **
>
> *From:* wdmaudiodev-bounce@xxxxxxxxxxxxx
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] *On Behalf Of *Surabhi Ghaisas
> *Sent:* Monday, June 18, 2012 12:05 AM
> *To:* wdmaudiodev@xxxxxxxxxxxxx
> *Subject:* [wdmaudiodev] WaveRt driver pull mode vs push mode for logo
> certification****
>
> ** **
>
> Hi,****
>
> ****
>
> During execution for WHQL tests for my win7 wavert audio driver, i am
> seeing AllocateAudioBuffer call invoked instead of
> AllocateAudioBufferwithNotification. During normal functionality (while
> playing streams through WMP) i never observe this behavior. With WMP, pull
> mode gets used all the time. Has anyone else see this behaviour? ****
>
> ****
>
> I have added pull mode support in my inf :****
>
> inf: HKR,"EP\\0",%PKEY_AudioEndpoint_Association%,,%KSNODETYPE_ANY%****
>
> ****
>
> and also exposed the "IMiniportWaveRTStreamNotification" interface from
> query interface for the stream object.****
>
> Have i missed anything in pull mode support exposure from driver?****
>
> ****
>
> Regards,****
>
> Surabhi****
>
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