complainingthatyouhaveanasynchronousdataOUTendpointbutitcan’t
findacorrespondingfeedbackendpoint.
ThanksMatthew,thatexplainsit.Andthisis,asoflinux4.15.*not
implemented,thereisnofeedbackendpointdefinedintheUAC2gadgetdriver.
Damn.
Regards
...
[wdmaudiodev] Re: Raspberry Pi OTG Audio
↧
↧
[wdmaudiodev] Re: Raspberry Pi OTG Audio
Robert,
Ifitisofanyhelp:IworkonanopensourceprojectwithUAC2deviceand
ASIOdriver,bothwithaudioOUTandfeedbackINendpoints.Allfunctional.
AFAIKyoucanuseanaudioINendpointtosetthephaseasanalternative
todedicatedfeedbackIN.
Børge
...
↧
[wdmaudiodev] Re: Raspberry Pi OTG Audio
ThanksBørge,
ASIOdriver,bothwithaudioOUTandfeedbackINendpoints.Allfunctional.
Itmightbe,doyouhavealinktothatproject?
dedicatedfeedbackIN.
...
↧
[wdmaudiodev] Re: Raspberry Pi OTG Audio
HiRobert,
Devicecode:
Themainstatemachineisinuac2_device_audio_task.c.
aw_readme.txtexplainsalotabouttheproject.
ASIOdrivercode:
...
↧
[wdmaudiodev] Re: Raspberry Pi OTG Audio
Perhapsyoucouldtelluswhatyouwishtoachieve.Doyouneedimproved
deviceordrivercode?
PrettymuchfixthelinuxUAC2gadgettobeUSB2.0compliant,i.e.providea
feedbackepfortheOUTep.Todaythisstopslinuxaudiogadgetsfromworking
inwindows.TheydohoweverseemtoworkonMacandLinux(AFAIK),soI'mnot
surehowthatworks😊
Regards
...
↧
↧
[wdmaudiodev] Re: Raspberry Pi OTG Audio
HiRobert,
You'repossiblyinforquiteabitofcodeworkhere.Tomeitwasvery
rewarding(inasudukokindofway)togetallthesemechanismsworkingon
allOSes.IhadaverygoodstartingpointintheSDR-Widgetproject,
withoutwhichIwouldn'thavehadmuchsuccess.
Thenthedevicecodewouldbethebestwaytostart.Ifthiswasmyproject
(andlimitedbywhatyouhavewritten),myangleofattackwouldbe:
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (OS special mode for small buffer)
Thanks,thistracehasMicrosoft.Windows.Audio.KernelStreamingEndpoint/Glitch
events,whichgivesmeaplacetostartlooking.I’llseewhatIcanfind.
________________________________
From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon
behalfofVincentBurel(VB-Audio)vincent.burel@xxxxxxxxxxxx
Sent:Saturday,February10,20185:11:03AM
To:wdmaudiodev@xxxxxxxxxxxxx
Subject:[wdmaudiodev]Re:WIN10MajorIssueforAudioProcessing(OSspecial
modeforsmallbuffer)
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (page fault without virtual memory)
Matthew,
Justreproducedthesameproblemwithoutvirtualmemory(inaWASAPIRender
Thread-realtekspeaker).
Wegotapeakat2260%!!!niceone!on14min51seconds
(itmakesaninterruptionof200msinaprocessusuallyperformedinlessthan
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (but page fault is not detected)
However,thestrangepointisthatnopagefaultaredetectedbyresource
monitoronourapplication.
EventheglobalpagefaultgraphshowsadecreasingcurveontheDSPpeak.
Seeattachedpicture.
...
↧
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (page fault without virtual memory)
Hi
UsingtheWin10feedbackhubgetting:Youraccountdoesn’thaveaccesstothis
feedback.
On
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (page fault without virtual memory)
Yes,thelinkisforMatthew.
Butkeepthelistinformedaboutourinvestigations.
De:wdmaudiodev-bounce@xxxxxxxxxxxxx[
DelapartdeSupportHpW-Works.com
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (but page fault is not detected)
Maybetherearemultipledifferentproblemsthen.
________________________________
From:wdmaudiodev-bounce@xxxxxxxxxxxxxwdmaudiodev-bounce@xxxxxxxxxxxxxon
behalfofVincentBurel(VB-Audio)vincent.burel@xxxxxxxxxxxx
Sent:Tuesday,February13,201812:41:57AM
To:wdmaudiodev@xxxxxxxxxxxxx
Subject:[wdmaudiodev]Re:WIN10MajorIssueforAudioProcessing(butpage
faultisnotdetected)
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (but page fault is not detected)
Closingtheloop–afterlookingatthesecondtrace,noevidenceofmultiple
problems,thisisthesamepagefaultissue.
TherehavebeenchangesinRS4tomakethisparticularpagefaultissueless
common;youcantryoutanRS4previewbuildbyregisteringon
IwillalsopointoutLarryOsterman’sadviceinthisotherthreadinthe
WindowsDesktopProAudioApplicationDevelopmentforum:
...
↧
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption)
Hello,
I’mafraidtheloopisnotclosed.
FirstbecausetheuseofVirtualLockisnotusualandwefoundno-oneinaudio
orvideogameindustryusingthisAPI
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption)
Hi,
Thisyourcurrentunderstanding😃
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption)
Youcondescensionandcontemptareuseless.
thankstoletuswork.
De:wdmaudiodev-bounce@xxxxxxxxxxxxx[
DelapartdeSupportHpW-Works.com
Envoyé:vendredi23février201811:20
À:wdmaudiodev@xxxxxxxxxxxxx
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption)
HelloSupport,
Forthediscussedissue,privatememorylockingdoesnotsolvethe
problem.YoucouldrunthetestinWin10withnopagingfileatall,
andstillseelongprocessinginterruptions.Itmeansthatpagefaults
occuroutsidetestcodebecausesomekernelpartsarepagedout.
SettingDisablePagingExecutiveto1doesnothelpsoitmeansthat
...
↧
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption) : END
Hello,
First,Iconfirmourproblemseemstobefixedininsiderbuild17074,
SecondlyIconfirmthattheVirtualLockedmemoryisnotapplicabletodayfor
enduserapplicationtopreventO/Stopageoutmemoryusedinrealtime
process.
...
↧
[wdmaudiodev] Re: WIN10 Major Issue for Audio Processing (crazy page fault interruption)
*pagefaultsoccuroutsidetestcodebecausesomekernelpartsarepaged
out.
Canyousendmean.etlshowingthis?
...
↧
[wdmaudiodev] Intro
Hellowdmaudiodevpeople,
Quickmailtotestlistfunction.Iamanaudiodevelopergettingintoa
projectwhichrequiresthedevelopmentofaWindowsAPOdriverandsoI'm
lookingbackatVista-eratech/docswhilealsotryingtolookforwardto
UniversalWindowsDrivers....funfunfun!
Lookingforwardtoengagingwithandcontributingtowdmaudiodevlist.
Thanks
CulannmacCabe
...
↧
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