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Archive of posts for wdmaudiodev at FreeLists
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    buffer)islimitedto2?Withmorenotificationpoints,adrivercould useasinglebuffertostorecaptureddataandcommunicatewith aclient,andaclientcouldoptimizedataretrieval. Youcanhavethatwith2notificationsaswell.Actually,I'veneverunderstood howitispossibletohaveanythingelseBUT2buffernotifications,asthatis themostoptimalcase,i.e.yougetanotificationforeachhalfofthe circularbuffer(whichishowASIOworks),anditiseasytofetch/putdatato thebuffer. ...

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    Higuys, I'mtryingtofindawaytoimplementasecuritykerneldriver(or,ifnot possible,auser-modesolution)formicrophoneusage. I'dliketobeabletodothefollowing: 1.Blockselectiveapplicationsfromaccessingthemicrophone. 2.Ifnotpossible,blockallapplicationsfromusingthemicrophone. 3.Ifnotpossible,notifytheuserwhenthemicrophoneisbeingused. ...

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    WindowssupportsthefirsttwonativelyviaStartSettingsPrivacy Microphone;Ibelievetherearewaystosettheseviagrouppolicyaswell Youcanwriteauser-modesolutionforthethirdusingthesessionmanagerAPIs –IaudioSessionManager,IAudioSessionManager2,IAudioSessionNotification ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon ...

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    Foundit-gpedit.mscComputerConfigurationWindowsSettings AdministrativeTemplatesWindowsComponentsAppPrivacyLetWindowsapps accessthemicrophone ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofMatthewvanEerdedmarc-noreply@xxxxxxxxxxxxx Sent:Wednesday,June20,20184:28:38AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:Detectingandblockingmicrophoneusage ...

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    ThankyouforthereplyMatthew. CorrectmeifI'mwrong,butthePrivacyMicrophoneconfigurationworks onlyforstoreappsforper-appaccess. IAudioSessionNotificationlooksinteresting.WillIbeabletomutethe microphonesessionbasedontherequestingapplication? OnWed,Jun20,2018at2:29PMMatthewvanEerde dmarc-noreply@xxxxxxxxxxxxxwrote: ...

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    ThemicrophoneprivacyglobalswitchaffectsallappsasoftheApril2018 UpdateofWindows10.(PriortothatitaffectedonlyStoreapps.) Ibelieveyouarecorrectthatper-apptogglesonlyshowupforStoreapps. Yes,itispossibletoqueryandcontrolthesessionvolumeforindividualapps viathesessionmanagerAPIs.Beaware,though,thatforthemicrophone,the sessionvolumeisjustanaliasfortheendpointvolume,forbitdepthreasons. ________________________________ ...

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    Mutingthemicrophonecanworkforme.Ontheotherhand,it'sapoor solutionsecurity-wise,sinceeveryonecanjustun-mutethemicrophone. WhataboutimplementinganAPO(AudioProcessingObject)?Isthissomething thatcanwork? CanasoftwareEndpointEffect(EFX)APObeimplementedsothatitwill mutethemicrophoneuntiltheuseragreestoallowit? OnThu,Jun21,2018at3:06AMMatthewvanEerde dmarc-noreply@xxxxxxxxxxxxxwrote: ...

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    Doyouowntheaudiodriverforthemicrophone? ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofPaulJacksonmailnew4ster@xxxxxxxxx Sent:Thursday,June21,20181:01:46AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:Detectingandblockingmicrophoneusage Mutingthemicrophonecanworkforme.Ontheotherhand,it'sapoorsolution ...

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    No,Iaimforagenericsolutionwhichworkswitheveryhardware. OnThu,Jun21,2018,13:18MatthewvanEerdedmarc-noreply@xxxxxxxxxxxxx wrote: ------------------------------ *From:*wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxx ...

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    HelloRobert, elseBUT2buffernotifications Withrelativelylarge(dozensofms)buffers,thereisnoreasonto havepacketsize(andnumberofnotifications)morethan2,because atimeequaltoahalfofbufferdurationisenoughtoreactand processdata. ...

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    HiEugene, example,with10msbuffer,youhaveonly5mstogettheCPU,while internalkerneldelaysmaybelong(seeLatencyMonmeasurements). Usingatleastfourparts/packets,youmighthave7.5ms,whichismore reliable. Indeed.Butstill,thatonlyamountstohavingalargertotallatency,which ...

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    APOsarepartofthedriverpackage,sothatapproachwon’twork. What’swrongwiththegrouppolicysolution? ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofPaulJacksonmailnew4ster@xxxxxxxxx Sent:Thursday,June21,20183:19:39AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:Detectingandblockingmicrophoneusage ...

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    IfIdisablethemicrophoneusingthegrouppolicyrule,istherea wayformetodetectwhenaprogramtriestoaccessthemicrophone,so Icanshowanotificationtotheuser? ****************** WDMAUDIODEVaddresses: Postmessage: Subscribe: Unsubscribe: Moderator: ...

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    HelloMatthew, PrivacyMicrophone;Ibelievetherearewaystosettheseviagrouppolicy aswell Infact,Windowsblocksaccessnotonlytomicrophoneendpoints,but toallrecordingones.Isitimplementedintentionally,orthereisa bug? ...

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    Definitelyintentional. ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofEugeneMuzychenkoreg.wad@xxxxxxxxxxxxxx Sent:Thursday,June21,20186:21:52AM To:MatthewvanEerde Subject:[wdmaudiodev]Re:Detectingandblockingmicrophoneusage ...

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    There’snoAPItobeabletoauditfailedattemptsbyotherappstoaccessthe microphone(andI’mnotawareofanativeWindowsreport)butthatsoundslike agoodfeaturerequest–canyoufileitinFeedbackHub? ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofmailnew4ster@xxxxxxxxxmailnew4ster@xxxxxxxxx Sent:Thursday,June21,20185:00:51AM ...

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    HelloMatthew, Wasn'titbettertonamethefeatureaudiorecordingdeviceaccess insteadmicrophoneaccess,mentioningthemicrophoneinthe descriptiontext?Currentfeaturenameisquiteconfusing,someusers ofmyproductarewonderingwhyitaffectsotherrecordinglines. And1803updateoftenturnsmicaccessoffautomatically,withno promptorevenawarning.Doesitperformedintentionallytoo? ...

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    *Featurenameisconfusing That’sgoodfeedback. *1803updateoftenturnsmicaccessoffautomatically ...

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    Iwill,butmeanwhile,isn'tthereasanewaytoimplementmicrophone protection?Ideally,I'dliketosupportWindows7andup.Icanresortto undocumentedhooks,butIprefertoavoidthispath. OnThu,Jun21,2018,19:44MatthewvanEerdedmarc-noreply@xxxxxxxxxxxxx wrote: themicrophone(andI’mnotawareofanativeWindowsreport)butthat soundslikeagoodfeaturerequest–canyoufileitinFeedbackHub? ...

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    Ifthereisanundocumentedhook,I’mnotwillingtotellyouwhatitis:-) ________________________________ From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon behalfofPaulJacksonmailnew4ster@xxxxxxxxx Sent:Thursday,June21,201810:39:28AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:Detectingandblockingmicrophoneusage Iwill,butmeanwhile,isn'tthereasanewaytoimplementmicrophone ...

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    HelloMatthew, Icouldnotreproducesuchbehaviorinmysystemsbutseveralusers reportedthattheyhadsomeaudiorecordingendpointsworking perfectlypriorto1803update,butallendpointsbecameinaccessible aftertheupdate.Isuggestedthemtocheckmicaccesspage,andthey reportedmicaccesswasturnedoff. Maybetheseusersreallyhadbuilt-inmicturnedoff,andtheupdate decidedtopropagateittomicaccesspolicy.Insuchcase,itshould ...

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    *Theyreportedmicaccesswasturnedoff OK,thisisconsistentwithourcurrenttheory–thattheyactuallyturnedthis offthemselves,perhapsmonthsorevenyearsago. We’reworkingonmakingthispolicyalittlemoretransparent,e.g.RS5preview ...

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    Iunderstand.Imean,ifyouthinkthatyoucanrecommendanyothermethod whichisdocumented,itwillbegreat. OnThu,Jun21,2018,20:44MatthewvanEerdedmarc-noreply@xxxxxxxxxxxxx wrote: :-) ...

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    It would be a good feature for Windows itself to report when an app can't open an audio input due to privacy rules. When Windows 10 April update installed it took me a long time to find out why an app I wrote years ago for monitoring the audio input (for silence exceeding 30 seconds, a signal monitoring requirement) stopped working. There was no indication that MS had started locking out the microphone globally. ...

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    WeaddedsuchanotificationinRS5;youcantryitoutinInsiderbuilds17686 andlater. PrivacyImprovements Wewantedtoletyouknowthatifaccesstothemicrophonehasbeendisabledin yourprivacysettings,we’llnowpopanotificationthefirsttimeanattempt tousethemicrophoneisblockedsoyoucanreviewthesettingsifdesired. ...

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    HelloMatthew, RS5previewbuildshaveanotificationthefirsttimemicrophoneaccessis blocked. Thankyou,it'sveryhelpful.Maybethereisareasontouseamore specificerrorcodetoo(waveInOpenreturnsMMSYSERR_ERRORthat doesn'tassociatedwiththecause). ...

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    Hello, While testing SYSVAD example. When opening SYSVAD Speaker in WASAPI Exclusive mode ...

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    I've also posted an issue on GitHub ----------- ISSUE in SYSVAD Example Render Exclusive mode ------------- When testing SYSVAD by sending audio to Speaker in WASAPI exclusive mode, the generated file is not correct (noise is added). ...

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    Vincent Burel (VB-Audio) wrote: While testing SYSVAD example…   When opening SYSVAD Speaker in WASAPI Exclusive mode It uses OFFLOAD pin and changes the method to _WithNotification ...

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    WASAPI exclusive mode is free to use either the host pin or the offload pin, at Windows’ discretion. What app are you using to play in WASAPI exclusive mode? ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Vincent Burel (VB-Audio) vincent.burel@xxxxxxxxxxxx Sent: Saturday, June 30, 2018 3:18:34 AM To: wdmaudiodev@xxxxxxxxxxxxx ...

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    Hi I had try it in Foobar 2000 with WASAPI plugin use WASAPI exclusive Event Mode to playback. Playback the dump wave. You can hear the noise. In WASAPI exclusive PUSH mode, its seems no problem. 在 2018年7月3日 星期二 下午9:33:10 [GMT+8], Matthew van Eerde dmarc-noreply@xxxxxxxxxxxxx 寫道: WASAPI exclusive mode is free to use either the host pin or the offload pin, at Windows’ discretion. ...

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    Hello, Ha! Thanks for testing ! Apparently your are the second one to do it J ...

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    Hi I am not sure does this is SYSVAD's issue because I try to remove the StreamEngineNode in SYSVAD and find the foobar 2000 do some thing wrong. The package number in SetWritePacket () is not continue. It go with 1,3,5,7 ... Its seems not correct. But I try it on UAA driver it can playback correctly. This is very strange. 在 2018年7月4日 星期三 下午2:19:13 [GMT+8], Vincent Burel (VB-Audio) vincent.burel@xxxxxxxxxxxx 寫道: Hello, ...

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    Hello everyone - I hope you can help me with a APO Driver-related challenge. Context I have developed an APO to run my DSP process for my customer's USB headphone. So I have an APO doing my DSP with a Property Page that allows me to manipulate my DSP process parameters. Challenge Now I want to interface to a hardware button on the headphone to control my APO's DSP parameter. The button is HID-compatible so I have written a ...

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    Hello, I’m trying to run the HLK tests (Controller version 10.1.16299.16299) on a USB Audio device using the inbox Microsoft UAC2 driver. I am seeing weird errors with three of the Audio tests: * Audio Logo Test: test locks up when trying to render a sine wave in exclusive mode, test run is killed by HLK after 30 minutes * KS Position Test: Capture DriftAndJitter For AEC cannot set a viable ...

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    Please try the April 2018 Update HLK, and Windows 10 April 2018 Update. ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Franz Detro franz.detro@xxxxxxxxxxxxxxxxxxxxx Sent: Wednesday, July 11, 2018 12:18:40 AM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] USB Audio Class 2 driver and HLK tests ...

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  • 07/12/18--13:13: [wdmaudiodev] WaveRT event
  • Hi, I have a question regarding miniwavertstream.cpp sample driver provided with Windows Driver Kit. The RegisterNotificationEvent method appends the provided event to m_NotificationList. The TimerNotifyRT method notifies all events of m_NotificationList. What is the reason of such a behaviour ? ...

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    No, you’re not missing anything. That is indeed how it works. ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Gilbert Passador passador@xxxxxxxxxxxx Sent: Thursday, July 12, 2018 1:59:09 AM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] WaveRT event Hi, ...

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    In response to the notification, the Windows audio engine will query your position register to figure out where in the buffer it can write to (render) or read from (capture), so at the driver level it doesn't matter. Jeff ------ Original Message ------ From: Gilbert Passador passador@xxxxxxxxxxxx ...

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  • 07/12/18--13:13: [wdmaudiodev] WaveRT event
  • What about the event ? Is it supposed to be manual or auto reset ? The goal being to avoid glitches. ...

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    Aha! That explains why there is possibility to have only one notification event, as opposed to two. In this case the event will be signalled twice per loop . I've always wondered about this. Thanks Jeff 😊 Regards /Robert Bielik Dirac Research From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev- ...

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    Hi Matthew, Please try the April 2018 Update HLK, and Windows 10 April 2018 Update. Audio Logo Test is working with the April 2018 version, the KS Position Test ...

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    Can you file (separate) bugs on Collaborate for the KS Position Test and WaveTest / DataIntersection failures? Attach the failing test logs to each. Send me the VSO IDs and I can route them to the right team internally. ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Franz Detro franz.detro@xxxxxxxxxxxxxxxxxxxxx Sent: Thursday, July 12, 2018 5:16:28 AM To: wdmaudiodev@xxxxxxxxxxxxx ...

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  • 07/12/18--13:13: [wdmaudiodev] WaveRT event
  • Hello, The RegisterNotificationEvent method seems to behave in a strange way. First, it allocates a NotificationListEntry for the new event. But if the event was already in the list, the PLIST_ENTRY is removed from the list the newly allocated NotificationListEntry is freed, but nothing is done with the old NotificationListEntry !!! Is this a memory leak ? ...

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    I’m just passing the SYSVAD Tablet Sample in the last HLK and Windows 10 April 2018 Update… And KSPosition and KSTopology test are failing. Is it normal ? Regards ...

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  • 07/13/18--13:41: [wdmaudiodev] WaveRT event
  • Moreover, it seems that the destructor does not deallocate the items of m_NotificationList if the UnregisterNotificationEvent method was not called by the application, unless this is automatically done by another system layer. Gilbert ...

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    Please file issues on GitHub for this and any other problems you find. ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Gilbert Passador passador@xxxxxxxxxxxx Sent: Friday, July 13, 2018 12:45:26 AM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] WaveRT event Moreover, it seems that the destructor does not deallocate the items of ...

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    Done. Thank you. 2018-07-13 15:52 GMT+02:00 Matthew van Eerde dmarc-noreply@xxxxxxxxxxxxx : ------------------------------ *From:* wdmaudiodev-bounce@xxxxxxxxxxxxx wdmaudiodev-bounce@xxxxxxxxxxxxx on behalf of Gilbert Passador passador@xxxxxxxxxxxx ...

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    Hello, I'm looking for APIs to register from WaveRT Audio driver for Battery power related notifications - like when the device is plugged into AC power for charging or when the power is unplugged and switched to battery, battery level, etc.. Is there a straight-forward way to get such notifications? Thanks ...

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    Addy wrote: I'm looking for APIs to register from WaveRT Audio driver for Battery power related notifications - like when the device is plugged into AC power for charging or when the power is unplugged and switched to battery, battery level, etc.. Is there a straight-forward way to get such notifications? No, and there's a reason.  It's not your job to make policy decisions ...