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Archive of posts for wdmaudiodev at FreeLists
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    Tim,forgottoaskyou.Yousaidwritingafilterdrivertorewritedescriptor isnothard,canyoupleasegivemesomehintsonwheretostart? Thankyou, Edward ...

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    That'scorrect. HavingauniversalsolutionforbothUSBandanalogisgoodandless support,butIprobablycangetalongwithwdma_usb.infforUSBheadset,the wayIhaveitnow.EspeciallyifIcandosometweaksbyafilterdriver, thewaysuggestedbyTim.AtleastIwillhaveaWHQLsignatureforUSB driverpackage,willI? ...

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    1.Forthewired3.5mmjack,findoutwhoownsthedriverforthehardware thatfeedsthejack.Seeiftheywillrevtheirdriverpackagetoincludeyour APObinaries. 2.FortheUSBheadset,authoryourowndriverpackage.Thiswillbeyour APObinaryandawrapper.inf.Itwillapplytoallsystemsthatpeopleplugin thosespecificUSBheadsetsinto,notjustSystemX. BothdriverpackageswillneedtogothroughWHQLandgetsigned. Nameyourbinariesdifferentlybetweenthetwodifferentpackagestoavoid ...

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    Hieveryone.Ifound7.1surroundanalog(3.5mmmini-jack)gamingheadseton themarketthatcomeswithWHQLsignedSFXsAPOthatdoesthedownmixing. DuringtheinstalltheysimplyputGUIDoftheirSFXintotheregistryfor Headphonesaudiodeviceandmodifyitsnamebyconcatenating+SSE3.The headsetiscalledSteelSeriesArctis3. HereiswhatIseeforitsSSAudioapo.dllsAPOsignatures: ...

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    Hello, AnotherwaytoprovideAPO’swithasimpleclientapplicationistouse VoicemeeterAudioAPI Thenyouwillbeabletodownmix/upmixanysourcestoanyspeakersystem(1 to8channels), ...

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    Higuys, doyouknowiftherehasbeenanymoreprogressontheUAC2driversidein Win10?Arepreviewsstilllockedto44.1? ThereasonI'maskingisthatIrecentlyboughtanLX-3000USBheadset. It'saMicrosoftproductwithUAC2support. Now,I'mawareallpartsofMSdon'ttalktoeveryotherpart,andthat ...

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    WheremssayaboutUac2support?IseeonlyUSB2.0onproductpage. -- SentfromMail.RuappforAndroidSunday,18December2016,02:53PM+03:00from BørgeStrand-Bergesenborge.strand@xxxxxxxxx: doyouknowiftherehasbeenanymoreprogressontheUAC2driversidein Win10?Arepreviewsstilllockedto44.1? ...

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    Well,thisiswhatI'mcuriousabout.ThepackagingoftheLX-3000 recommendsusingitinUAC2mode.Ihaven'tyetexperimentedwiththe headsetmuchsinceit'saChristmaspresent. Idon'tknowifwhatenablestheLX-3000tobeUAC2isinanywayrelated towhatenablesitinthelatestWin10previews. Børge ...

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    BørgeStrand-Bergesenwrote: Well,thisiswhatI'mcuriousabout.ThepackagingoftheLX-3000 recommendsusingitinUAC2mode.Ihaven'tyetexperimentedwiththe headsetmuchsinceit'saChristmaspresent. Idon'tknowifwhatenablestheLX-3000tobeUAC2isinanyway relatedtowhatenablesitinthelatestWin10previews. I'msorry,butyouaresimplymistaken.TheLX-3000is7yearsold.It ...

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    ThanksTim! IguessIjustgotalittlecarriedawaythere:-) Børge OnMon,Dec19,2016at7:29PM,TimRobertstimr@xxxxxxxxxwrote: ...

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    14980andlaterbuildsshouldhavethefixforthe44.1issue. From:B?rgeStrand-Bergesen Sent:Sunday,December18,20163:55AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]MSUAC2driverstatus Higuys, doyouknowiftherehasbeenanymoreprogressontheUAC2driversidein Win10?Arepreviewsstilllockedto44.1? ...

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    DoesanyoneknowifthereisawaytosendaUSBVendorCommanddirectlytoEP0 usingtheUsbAudioclassdriverscurrentlyinplace?Weneedawaytosenda commanddirectlytotheendpointtoinstructourdevicetogointoamodethat willacceptafirmwareupdate.IknowthiswasnotapossibilityintheWin7 versionwhenIwroteit,butIamwonderingifthathaschangedsincethen. Thanks! DJ ...

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    Ibelievetheanswerisno,butyoumaybeinterestedinupvotingthis relatedfeedbacktocreateaWindowsclassdriverfortheDFUclass: From:DJSisolak Sent:Thursday,December22,201611:11AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]VendorcommandtoEP0throughtheUACdriver DoesanyoneknowifthereisawaytosendaUSBVendorCommanddirectlytoEP0 ...

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    Whynotsendavendorspecificsetupcommand? From:wdmaudiodev-bounce@xxxxxxxxxxxxx [ (RedactedsenderMatthew.van.EerdeforDMARC) Sent:Thursday,December22,20162:14PM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:VendorcommandtoEP0throughtheUACdriver ...

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    DJSisolakwrote: DoesanyoneknowifthereisawaytosendaUSBVendorCommand directlytoEP0usingtheUsbAudioclassdriverscurrentlyinplace? Weneedawaytosendacommanddirectlytotheendpointtoinstruct ourdevicetogointoamodethatwillacceptafirmwareupdate.I knowthiswasnotapossibilityintheWin7versionwhenIwroteit, butIamwonderingifthathaschangedsincethen. ...

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    Doesthisvendorspecificcommandhavetogothroughthestandardaudio requestchannel? Section5.2oftheUSBAudio2.0specintroducesClassSpecificRequests. AudioControlRequestscouldpotentiallybevendorspecific. ...

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    ThanksChris, YesthespecificationdoesallowforthesendingofClassspecificcommands, butthedriverhastosupportthis.Theotherproblemisthatthedevicethis istargetedforisalreadyoutinthefieldsoupdatingthefirmwareis necessarytogetanewcommandinthefirmwareorsupporttheDFU.Thusabit ofacatch-22there.WhatIamtryingtoavoidistheratherpainfulprocessof creatingthefilterdriverwhichwillrequirebuyingandsettingupaserver andpassingallsortsoftestsjustsoIcansendasinglecommand.Ican createanINFtooverridetheaudioclassdrivertousethewinUSB.sysdriver, ...

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    ChrisPerrywrote: Doesthisvendorspecificcommandhavetogothroughthestandard audiorequestchannel? Section5.2oftheUSBAudio2.0specintroducesClassSpecific Requests.AudioControlRequestscouldpotentiallybevendorspecific. ...

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    ...Inretrospect,thatprobablywouldhavebeenabetterchoiceforDJ. IfIhadbeenwiththiscompanybeforetheoriginalreleaseoftheproductI definitelywouldhavesuggestedthis.:-) From:wdmaudiodev-bounce@xxxxxxxxxxxxx [ Sent:Thursday,December22,20166:17PM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:VendorcommandtoEP0throughtheUACdriver ...

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    Hieveryone, Itlookslike,whenyoupauseinGroove,sAPOjuststopsreceivingbuffers toprocess.ThismeansthatyouwillhearcontentofsAPO'sinternalbuffers ifyouplaydingsoundbymovingvolumesliderinthesystemtray.This willproducediscontinuity-pop.Myunderstandingisthatthisisdoneto implementseamlessplay/pauseinGroove.Isthisexpectedbehavior? ...

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    ThelatestWindowsinstallationshaveaglobaleffectsfilter (WMALFXGFXDSP.dll). HereisthedriverstackforUSBaudioonmylaptops. ...

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    WmaLfxGfxDsp.dllisthe.dllthathoststheinboxSystemEffectsAudio ProcessingObjects.YoucanreadabouthowSysFXAPOsworkhere: ThesereplacetheconceptofGFXfilters( whichwereathinginWindowsXPbutnolongerworksincekmixer.syswas removedinWindowsVista. ...

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    Hello, IsthereaknownissuewithRealtekOpticaloutput inmultichannelmode(5.1,7.1,DolbyDigital)? ItseemsusingitwithWASAPIisgeneratingabadsoundornoncontinuous sound... Anyexperienceonthis? ...

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    I’mnotawareofanything.WhatversionofWindows? From:VincentBurel(VB-Audio) Sent:Friday,February17,201712:47AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]RealtekOpticaloutputandWASAPIissue? ...

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    Allversions… infactitseemstobeaproblemofformatnegotiationinexclusivemode… oraproblemofstreaminginsharemode…willtakeadeeperlookonthis soon… Regards VincentBurel ...

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    IfyouhaveaWindows10reprocanyoufileaproblemreportwithMediaIssues tracesandshareadirectlink? From:VincentBurel(VB-Audio) Sent:Friday,February17,20178:59AM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:RealtekOpticaloutputandWASAPIissue? ...

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    IamtryingtoimplementawavecyclicdriverforaPCIcardthatdoes notsupportDMAandusesaFIFOforcaptureandplayback.Inthe IDmaChannel::CopyFrommethod,thedataisreadfromtheFIFOaddress (storedinmCodecBase)intotheDestinationbufferbutIjustget garbageinthewavefilesavedbytheapplication. PULONGpBuffer=(PULONG)Destination; Source=Miniport-AdapterCommon-m_pCodecBase; ...

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    FarrahAvanesovwrote: notsupportDMAandusesaFIFOforcaptureandplayback.Inthe IDmaChannel::CopyFrommethod,thedataisreadfromtheFIFOaddress (storedinmCodecBase)intotheDestinationbufferbutIjustget garbageinthewavefilesavedbytheapplication. Areyouabsolutelysurethatyou'redeliveringtherightformat?Howdo youknow?Doyounegotiateaformat,ordidyoufixittojustone? ...

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    Hi, I have a virtual audio device driver based on MSVAD Simple. It works pretty well, but I start experiencing the problem on Windows 10. I don't know if this was the issue before the Anniversary Update as all of my Windows 10 machines got updated already, but it is definitely works another way in Windows 7. ...

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    OnTue,2017-02-28at17:19-0800,TimRobertswrote: notsupportDMAandusesaFIFOforcaptureandplayback.Inthe IDmaChannel::CopyFrommethod,thedataisreadfromtheFIFOaddress (storedinmCodecBase)intotheDestinationbufferbutIjustget garbageinthewavefilesavedbytheapplication. Areyouabsolutelysurethatyou'redeliveringtherightformat?Howdo youknow?Doyounegotiateaformat,ordidyoufixittojustone? ...

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    Haveyoutriedusingaknownpatternlikeasinetableinsteadofdatafrom yourhardware'sfifo?Providedyougeneratethethetableintheproperformat andgetsomerecognizableaudio,thatwilltellyouifeverythingaboveis workingasyouexpect.Ifnot,adjusttheendianess/byteordering/ generationofyourtestdatauntilyougetsomethingyourecognizeout. SentfrommyiPhone ...

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    Youcansetthispropertyinyour.inftomakeyouraudiodeviceineligibleto bedefault. PKEY_AudioDevice_NeverSetAsDefaultEndpoint ...

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    Yes,Itriedusing0xdeadbeefbutitwasnotfoundinthefilesavedby theaudioclient. OnWed,2017-03-01at07:51-0800,WadeDawsonwrote: yourhardware'sfifo?Providedyougeneratethethetableintheproper formatandgetsomerecognizableaudio,thatwilltellyouifeverything aboveisworkingasyouexpect.Ifnot,adjusttheendianess/byteordering /generationofyourtestdatauntilyougetsomethingyourecognizeout. ...

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    FarrahAvanesovwrote: Areyouabsolutelysurethatyou'redeliveringtherightformat?Howdo youknow?Doyounegotiateaformat,ordidyoufixittojustone? applicationhasthecorrectwaveformat. WhatImeanisthattheAudioEnginewillnegotiateaformatwithyour driver.ThedefaultMSVADdriverofferstosupporteitherPCM8or ...

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    OnWed,2017-03-01at10:10-0800,TimRobertswrote: reallywant,thenitshouldbeOK. Yes,I'vemodifiedmsvadtouse48kHzonly. reporthowmanybytesyouactuallycopied.Iftheportdriverasksyou ...

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    Theadvantageofusingasinewave(asopposedtoasentinelvaluelike 0xdeadbeef)isthatsinewavestendtoberesilienttoaudioprocessing (changingfrominttofloat,dynamicrangecompressionetc.)butsentinel valuesareveryfragile. From:FarrahAvanesov Sent:Wednesday,March1,201710:28AM To:wdmaudiodev@xxxxxxxxxxxxx ...

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    OnWed,2017-03-01at18:29+0000,MatthewvanEerdewrote: like0xdeadbeef)isthatsinewavestendtoberesilienttoaudio processing(changingfrominttofloat,dynamicrangecompression etc.)butsentinelvaluesareveryfragile Iusedthefollowingsinewave: 0x8000,0xda82,0xffff,0xda82,0x8000,0x257d,0x0,0x257d ...

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    WhatWAVEFORMATEXisbeingpassedtoyourNewStreamimplementation,andwhat WAVEFORMATEXisinthe“fmt”chunkofthecaptured.wavfile? From:FarrahAvanesov Sent:Wednesday,March1,201711:53AM To:wdmaudiodev@xxxxxxxxxxxxx Cc:timr@xxxxxxxxx Subject:[wdmaudiodev]Re:Windows7wavecyclicdriver ...

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    OnWed,2017-03-01at19:59+0000,MatthewvanEerdewrote: andwhatWAVEFORMATEXisinthe“fmt”chunkofthecaptured.wav file? FromWinDbg: [TestDataFormat]PCMEX-Frequency:48000,Channels:2,bps:16, ChannelMask:3 fmtsub-chunkfrom.wavfile: ...

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    OK,soyou’reprovidingstereo16-bit48kHzdatatoWindows;Windowsis convertingthistostereofloating-point48kHzinternallyintheWindowsaudio engine;thenconvertingitagaintostereo16-bit44.1kHzwhenhandingitto theapp. Allthisisperfectlynormal,thoughIwonderwhytheappaskedfor44.1kHz specifically. ...

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    HiMatthew, Thank you for your advise, but unfortunately this property has no any effect. Here is a snippet of my INF file: [MP4RecorderVAD.Interfaces] AddInterface=%KSCATEGORY_AUDIO%,%KSNAME_Wave%,MP4RecorderVAD.I.Wave ...

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    DoestheNeverSetAsDefaultpropertyshowuponyourendpointifyourunthis tool? PrintersandDevicesgroupseverythingbythe“ContainerID”property.There shouldbeacontainerwiththesamenameasyourcomputer.Ifyoudouble-click thisandclickonthe“Hardware”tabyoushouldseeallthebuilt-indevices, includingtheRealtekaudiodevice. ...

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    Itexists,seetheonelinebeforelastinthefollowingquote: ID:{0.0.0.00000000}.{99839eef-62fa-4442-90fb-905add325020} State:1(DEVICE_STATE_ACTIVE) --Properties(36)-- ..... {b3f8fa53-0004-438e-9003-51a46e139bfc},6: VT_LPWSTR MP4 Recorder ...

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    I've compiled the pure MSVAD simple driver and it also has such a behavior - it gets set as default right after installation. I've made tests with USB Audio stick - Windows doesn't remember it as a default sound device. When it's plugged in it is necessary to set is as default manually. ...

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    Canyoufilea“problemreport”showingthecasewherethe“neversetas default”propertyisset,buttheendpointisthedefaultanyway? Thatshouldgrabsomeusefullogs. From:RomanKudinov Sent:Friday,March3,20172:54AM To:wdmaudiodev@xxxxxxxxxxxxx ...

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    Filed the problem report. I used unsigned developer version of the driver. If you'd like me to perform the same operations with the signed driver, then please let me know. 03.03.2017 19:27, Matthew van Eerde (Redacted sender Matthew.van.Eerde for DMARC) пишет: ...

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    Thanks.Canyoushareadirectlinktotheproblemreportwithme,justsoit doesn’tgetlostinthenoise? From:RomanKudinov Sent:Friday,March3,20171:44PM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]Re:UnexpecteddefaultsounddeviceonWindows Filedtheproblemreport.Iusedunsigneddeveloperversionofthedriver.If ...

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    On 04.03.2017 00:55, Matthew van Eerde (Redacted sender Matthew.van.Eerde for DMARC) wrote: Thanks. Can you share a direct link to the problem report with me, just so it doesn’t get lost in the noise? ...

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    Helloguys, IamdevelopinganAPOforacustomaudioprocessingeffect.Likemany othersIhavebeganwithsysvad. AfterovercomingsomebasicissuesIhavesuccessfullybuiltallmodules usingVS15. Inowhavethefollowingmodulesbuilt: KeywordDetectorContosoAdapter.dll PhoneAudioSample.sys ...

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    Theprojectthatbuilttabletaudiosample.sysshouldalsohave“built”(really, stamped)tabletaudiosample.inf. From:GilShefer Sent:Saturday,April1,20172:42PM To:wdmaudiodev@xxxxxxxxxxxxx Subject:[wdmaudiodev]someissueswithsysvadsample-helpappreciated Helloguys, ...