[wdmaudiodev] Re: GFX APO loading/debugging
- From: Preston Fick <pffick@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Thu, 2 May 2013 15:18:48 -0500
Hi Matthew -
It looks like this was an issue with a Debug vs Release version of the APO.
I was able to load the Debug version on the development machine after I
loaded the tools, and after further testing it looks like if I build a
release version I can put it on a fresh machine.
- Preston
On Tue, Apr 30, 2013 at 1:00 AM, Preston Fick <pffick@xxxxxxxxx> wrote:
> Hi Matthew -
>
> Yes - that's the weird part. From the registry standpoint it looks like
> everything is loading fine and all the keys/values from the INF for the APO
> and it's properties are in their proper places.
>
> I spent a lot of time debugging this tonight, and the last thing I did was
> change the audio format on the stock HD Audio driver before updating with
> my custom APO. After this the APO loads, the property page came up as
> expected and everything works. I wouldn't expect that to be the root of a
> problem like this. I'm unsure if there was something going on with the
> system itself, or if the audio format had an effect. Unfortunately I can't
> get the machine back into a state where it won't load the APO.
>
> Once I get through development I have other fresh machines of the same
> type to use for final testing, so if I get a concrete answer I'll follow up
> to the group, but if anything stands out I'd appreciate any feedback.
>
> Thanks!
> Preston
>
>
>
> On Mon, Apr 29, 2013 at 5:34 PM, Matthew van Eerde <
> Matthew.van.Eerde@xxxxxxxxxxxxx> wrote:
>
>> If you look under
>> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceClasses\{6994ad04-93ef-11d0-a3cc-00a0c9223196}
>> (that’s KSCATEGORY_AUDIO), do you see your FX\0 properties which you’re
>> setting in your .inf?****
>>
>> ** **
>>
>> *From:* wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:
>> wdmaudiodev-bounce@xxxxxxxxxxxxx] *On Behalf Of *Preston Fick
>> *Sent:* Monday, April 29, 2013 3:24 PM
>> *To:* wdmaudiodev@xxxxxxxxxxxxx
>> *Cc:* pffick@xxxxxxxxx
>> *Subject:* [wdmaudiodev] GFX APO loading/debugging****
>>
>> ** **
>>
>> I am working on a GFX APO and I can load it on my development machine
>> without issues (driver loads and property page loads).****
>>
>> ** **
>>
>> However when I put it on my test machine the APO shows up in Device
>> Manager with the standard Windows HD Audio driver without problem codes,
>> but I cannot see my System Effects property page. I rolled back to the Swap
>> sample and it does the same thing. I am using 64 bit for both platforms
>> (compiling for Windows Vista, loading on Windows 8), but the audio devices
>> for each platform is different.****
>>
>> ** **
>>
>> It seems the key here is getting the endpoint correct - I'm pretty
>> certain that ths is right (on my development machine it is eHeadphoneWave
>> and eHeadphoneTopo, on the test machine it is eSpeakerWave and
>> eSpeakerTopo). If I load it on other endpoints I can see the Enhancements
>> audio tab, but when I load it on the eSpeakerXXX endpoint it shows no
>> property page for effects at all. This tells me it's restricting the load
>> of the generic APO, but is failing during my APO's loading process.****
>>
>> ** **
>>
>> I've added debug messages to the APO and Property Page DLLs, and it looks
>> like they might not even be loading at all.****
>>
>> ** **
>>
>> I'm looking for some suggestions on where I might continue to debug this
>> problem.****
>>
>>
>> Thanks!****
>>
>> Preston****
>>
>
>
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