Add new VideoConference module for muting mic/cam (#11798)

* add new VideoConference module for muting mic/cam

Co-authored-by: PrzemyslawTusinski <61138537+PrzemyslawTusinski@users.noreply.github.com>
Co-authored-by: Niels Laute <niels.laute@live.nl>

.github/actions/spell-check/expect.txt

@@ -46,6 +46,7 @@ Aissue
 akamaihd
 ALarger
 alekhyareddy
+alignas
 ALIGNLEFT
 ALLAPPS
 Alloc
@@ -142,9 +143,11 @@ autoplay
 Autorun
 AUTOSIZECOLUMNS
 autoupdate
-awakeversion
 AValid
+avialable
+awakeversion
 AWAYMODE
+AYUV
 azurecr
 azurewebsites
 backend
@@ -185,6 +188,7 @@ bms
 BNumber
 Bokm
 BOKMAL
+boolalpha
 Bools
 bootstrapper
 Bopomofo
@@ -213,6 +217,7 @@ BValue
 bytearray
 callbackptr
 callhistory
+Camer
 Cangjie
 cangjieime
 CANRENAME
@@ -285,6 +290,7 @@ CMock
 CMONITORS
 cmyk
 cnt
+coc
 coclass
 codebase
 codecvt
@@ -293,9 +299,10 @@ codereview
 Codespaces
 COINIT
 colorconv
+colorfilter
 colorhistory
 colorhistorylimit
-colorfilter
+COLORKEY
 colorpicker
 COLORREF
 colorscheme
@@ -429,6 +436,7 @@ dcomp
 DComposition
 ddd
 ddee
+ddf
 Deact
 declspec
 decltype
@@ -472,11 +480,14 @@ devenum
 deviceencryption
 devicemanagenent
 DEVMON
+devpkey
+DEVSOURCE
 DFactory
 DHCP
 Dialpad
 diffing
 difftime
+DIIRFLAG
 dimm
 directaccess
 dirname
@@ -489,6 +500,7 @@ Displayandhidethedesktop
 DISPLAYCHANGE
 displayname
 divyan
+djsoref
 DLACTIVEXCTLS
 DLCONTROL
 dlg
@@ -501,9 +513,10 @@ dllexport
 dllhost
 dllmain
 DNLEN
-docsmsft
 Dns
+docsmsft
 doctype
+dogancelik
 domainlexicon
 DONTVALIDATEPATH
 dotnet
@@ -531,7 +544,11 @@ dupenv
 dutil
 DVASPECT
 DVASPECTINFO
+DVH
+DVHD
 DVR
+DVSD
+DVSL
 DVTARGETDEVICE
 DWindow
 DWINRT
@@ -550,6 +567,8 @@ dword
 dworigin
 dwrite
 dxgi
+dxgiformat
+dxguid
 dynamiclock
 EABF
 EAC
@@ -602,6 +621,7 @@ efa
 efgh
 EFile
 egistry
+elif
 elseif
 emailandaccounts
 Emoji
@@ -610,6 +630,7 @@ ENABLEDPOPUP
 endforeach
 endif
 endl
+endpointvolume
 endregion
 Enque
 ENTERSIZEMOVE
@@ -662,7 +683,7 @@ exlist
 EXPCMDFLAGS
 EXPCMDSTATE
 explr
-Expr
+expr
 exsb
 EXSEL
 exstyle
@@ -679,6 +700,7 @@ FANCYZONESDRAWLAYOUTTEST
 FANCYZONESEDITOR
 Farbraum
 FARPROC
+fdw
 feimage
 ffcd
 FFDDDDDD
@@ -690,13 +712,16 @@ FILEFLAGS
 FILEFLAGSMASK
 FILEOP
 FILEOS
+filepath
 FILESUBTYPE
 FILESYSPATH
 filesystem
 FILETIME
 FILETYPE
 FILEVERSION
+Filtergraph
 Filterkeyboard
+Filterx
 finalizer
 findfast
 findmydevice
@@ -705,6 +730,7 @@ FIXEDFILEINFO
 FLASHZONES
 FLASHZONESONQUICKSWITCH
 Fle
+flt
 fluentui
 flyout
 fmtlib
@@ -726,6 +752,7 @@ FTYPE
 FULLNAME
 fullscreen
 func
+Functiondiscoverykeys
 fwlink
 fwrite
 fxcop
@@ -736,6 +763,7 @@ Gamebar
 gamedvr
 gamemode
 GBs
+GCLP
 gcnew
 gdi
 gdiplus
@@ -778,8 +806,10 @@ Hashset
 hbitmap
 hbmp
 hbr
+HBRBACKGROUND
 HBRUSH
 hcblack
+HCERTSTORE
 hcwhite
 hdc
 HDF
@@ -791,6 +821,8 @@ hdrop
 HDS
 HEB
 helptext
+HEVC
+hfile
 HGLOBAL
 hhk
 HHmmss
@@ -865,11 +897,13 @@ IApp
 IApplication
 IAppx
 IAsync
+IAudio
 IAuto
 IBackground
 IBase
 IBeam
 IBind
+ICapture
 icase
 iccex
 ICEBLUE
@@ -922,9 +956,11 @@ IFancy
 ifdef
 IFeatures
 IFile
+IFilter
 ifndef
 IFolder
 ifstream
+IGraph
 iid
 IImage
 Iindex
@@ -944,8 +980,11 @@ imagingdevices
 IMain
 IMarkdown
 ime
+IMedia
+IMem
 imeutil
 img
+iminstall
 IMoniker
 IMonitor
 IMouse
@@ -1002,6 +1041,7 @@ IObject
 iobjectwithsitesetsite
 IOle
 iolewindowcontextsensitivehelp
+iomanip
 iostream
 IPackage
 IPath
@@ -1023,6 +1063,7 @@ IProperty
 IPublic
 IQuery
 IRead
+IReference
 IReflect
 IRegistered
 IRegistration
@@ -1055,6 +1096,7 @@ ith
 IThrottled
 IThumbnail
 ITrigger
+itsme
 IUI
 IUnknown
 IUri
@@ -1065,9 +1107,11 @@ IVector
 IView
 IVirtual
 IWeb
-IXml
+IWIC
 IWindows
+IXml
 ixx
+IYUV
 IZone
 IZoom
 JArray
@@ -1116,17 +1160,17 @@ Keytool
 keyup
 KILLFOCUS
 Knownfolders
+KSPROPERTY
 Kybd
 LAlt
 Lambson
 lamotile
 langword
-langword
 Lastdevice
 LASTEXITCODE
-Laute
 launchfaceenrollment
 launchfingerprintenrollment
+Laute
 laute
 laviusmotileng
 LAYOUTRTL
@@ -1140,9 +1184,11 @@ Lclean
 LCONTROL
 LCtrl
 Ldone
+ldx
 LEFTSCROLLBAR
 lego
 len
+LEQ
 LError
 Lessthan
 LEVELID
@@ -1166,6 +1212,7 @@ LINQTo
 Linux
 listbox
 listview
+lld
 llkhf
 Llvm
 lmcons
@@ -1246,6 +1293,7 @@ MAINICON
 Mainwindow
 majortype
 makeappx
+makecab
 MAKEINTRESOURCE
 MAKEINTRESOURCEW
 MAKELPARAM
@@ -1264,6 +1312,7 @@ MATCHMODE
 MAXIMIZEBOX
 MAXSHORTCUTSIZE
 maxversiontested
+MBs
 MBUTTON
 MBUTTONDBLCLK
 MBUTTONDOWN
@@ -1273,7 +1322,7 @@ MDICHILD
 MDL
 mdpreviewhandler
 MEDIASUBTYPE
-MEDIATYPE
+mediatype
 Melman
 memcpy
 memset
@@ -1285,8 +1334,17 @@ messageboxes
 METACHARSET
 metadata
 metafile
+mfapi
 mfc
 mfcribbon
+mfidl
+mfobjects
+mfplat
+mfreadwrite
+Mfsensorgroup
+mftransform
+mfuuid
+mic
 microsoft
 Midl
 mii
@@ -1299,10 +1357,12 @@ miniz
 minlevel
 MINMAXINFO
 Miracast
+mirophone
 MJPG
 mkdir
 Mlcfg
 MLogo
+mmdeviceapi
 MMI
 Mmsys
 mobilehotspot
@@ -1369,6 +1429,7 @@ mutex
 mutexes
 muxc
 mvvm
+myfile
 MYICON
 NAMECHANGE
 nameof
@@ -1412,6 +1473,7 @@ netsh
 netstandard
 Neue
 newcolor
+newdev
 newitem
 newpath
 newrow
@@ -1421,6 +1483,7 @@ niels
 nielslaute
 NIF
 nightlight
+nitroin
 NLD
 nlog
 NLSTEXT
@@ -1438,6 +1501,7 @@ nodoc
 noexcept
 NOFRAMES
 NOINHERITLAYOUT
+NOINTERFACE
 NOLINKINFO
 NOMINMAX
 NOMOVE
@@ -1521,6 +1585,7 @@ OPTIMIZEFORINVOKE
 optin
 optionalfeatures
 OPTIONSGROUP
+ORAW
 ORPHANEDDIALOGTITLE
 oss
 ostr
@@ -1532,6 +1597,7 @@ otheroptions
 otherusers
 OUTOFCONTEXT
 OUTOFMEMORY
+outpin
 Outptr
 outputtype
 outro
@@ -1553,6 +1619,7 @@ PARENTRELATIVEPARSING
 parray
 PARTIALCONFIRMATIONDIALOGTITLE
 pathcch
+PAUDIO
 pbc
 Pbgra
 pcb
@@ -1593,6 +1660,7 @@ Pipelinhttps
 pipename
 pitem
 PKBDLLHOOKSTRUCT
+PKEY
 placeholders
 plib
 PLK
@@ -1611,6 +1679,7 @@ popd
 popup
 POPUPWINDOW
 posix
+Postion
 powerappscds
 powercfg
 powerlauncher
@@ -1626,6 +1695,7 @@ powertoyswiki
 Powrprof
 ppenum
 ppidl
+ppmt
 pprm
 pproc
 ppsi
@@ -1643,11 +1713,13 @@ Prefixer
 Preinstalled
 preload
 PREMULTIPLIED
+preperty
 prevhost
 previewer
 PREVIEWGROUP
 PREVIEWHANDLERFRAMEINFO
 previewpane
+previouscamera
 PREVIOUSVERSIONSINSTALLED
 prevpane
 prgms
@@ -1664,6 +1736,7 @@ PROGRAMFILES
 progressbar
 Proj
 projectname
+PROPBAG
 propkey
 propvarutil
 prpui
@@ -1676,6 +1749,7 @@ psfgao
 Psr
 psrm
 psrree
+pstr
 pstream
 pstrm
 psz
@@ -1693,6 +1767,7 @@ PVOID
 pwa
 pwcs
 PWSTR
+pwsz
 pwtd
 qianlifeng
 qit
@@ -1738,20 +1813,27 @@ rectp
 rects
 recyclebin
 redirectedfrom
+reencode
+reencoded
 refactor
 refactoring
 REFCLSID
 refcount
+REFGUID
 REFIID
 REGCLS
 regedit
 regex
+REGFILTER
+REGFILTERPINS
 regionformatting
 regionlanguage
 REGISTERCLASSFAILED
 Registery
 registrypath
 regkey
+REGPINTYPES
+regsvr
 reimplementing
 reloadable
 Remapper
@@ -1803,13 +1885,14 @@ RKey
 RMENU
 RNumber
 roadmap
+robocopy
 Roboto
 roslyn
 royvou
 Rpc
 RRF
-rshift
 RSHIFT
+rshift
 Rsp
 rst
 Rstrtmgr
@@ -1859,6 +1942,7 @@ SEARCHFOR
 SEARCHREPLACEGROUP
 searchterm
 Secur
+seekg
 Segoe
 Sekan
 SENDCHANGE
@@ -1904,8 +1988,8 @@ Shl
 shldisp
 shlobj
 shlwapi
+shmem
 shobjidl
-shortsplit
 SHORTCUTATLEAST
 shortcutcontrol
 Shortcutguide
@@ -1917,6 +2001,7 @@ SHORTCUTSTARTWITHMODIFIER
 Shortcuttool
 shortdate
 SHORTPATH
+shortsplit
 showcolorname
 SHOWDEFAULT
 SHOWELEVATIONPROMPT
@@ -1945,6 +2030,7 @@ SIZENESW
 SIZENS
 SIZENWSE
 sizeof
+sizeread
 SIZEWE
 sketchapp
 SKIPOWNPROCESS
@@ -1974,6 +2060,7 @@ spesi
 splitwstring
 sppd
 sppre
+sprintf
 spsi
 spsia
 spsrif
@@ -2031,6 +2118,7 @@ storagesense
 stoul
 stoull
 strcmp
+streampos
 strftime
 Stringified
 Stringify
@@ -2057,8 +2145,8 @@ surfacehub
 sut
 SVE
 svg
-SVGIO
 SVGIn
+SVGIO
 svgpreviewhandler
 SWC
 SWFO
@@ -2068,6 +2156,7 @@ swprintf
 SWRESTORE
 SYMED
 SYMOPT
+SYNCMFT
 SYNCPAINT
 sys
 SYSCHAR
@@ -2083,9 +2172,9 @@ syslog
 SYSMENU
 systemd
 SYSTEMTIME
-Tadele
 sz
 tabletmode
+Tadele
 tadele
 Tahoma
 talenthrcore
@@ -2111,6 +2200,7 @@ tchar
 tcscpy
 TCustom
 TDevice
+tellg
 Templated
 templatenamespace
 Temporarilypeekatthedesktop
@@ -2132,8 +2222,8 @@ THISCOMPONENT
 thre
 tif
 TILEDWINDOW
-timediff
 timedate
+timediff
 Timeline
 TIMERID
 timeunion
@@ -2143,6 +2233,7 @@ TLayout
 tlb
 tlbimp
 tmp
+TMPVAR
 TNP
 todo
 toggleswitch
@@ -2161,12 +2252,15 @@ towlower
 towupper
 tracelogging
 traies
+transcoded
+transparrent
 TRAYMOUSEMESSAGE
 TRK
 trl
 trueplay
 truetype
 trunc
+tspan
 TStr
 tsx
 TYMED
@@ -2192,8 +2286,10 @@ UIPI
 UIs
 UITo
 ULARGE
+ulazy
 ULLONG
 ulong
+ULONGLONG
 umd
 unchecks
 uncomment
@@ -2222,6 +2318,7 @@ unknwn
 UNLEN
 unlicense
 Unmap
+unmute
 UNORM
 unregister
 unregistering
@@ -2256,16 +2353,20 @@ uuidof
 uwp
 UWPUI
 uxtheme
+UYVY
 validmodulename
 vcamp
 vccorlib
+vcdl
 VCINSTALLDIR
+vcm
 vcomp
 vcredist
 VCRT
 vcruntime
 vcvars
 vcxproj
+vdi
 VDId
 vec
 VERBSONLY
@@ -2275,10 +2376,14 @@ VERSIONINFO
 Versioning
 VFT
 vid
+VIDCAP
+videoconference
+videoconferencevirtualdriver
 VIDEOINFOHEADER
 videoplayback
 viewbox
 viewmodel
+vih
 virtualization
 visiblecolorformats
 Visibletrue
@@ -2298,6 +2403,7 @@ VSCBD
 vscode
 VSCROLL
 vse
+vsix
 vsonline
 vstemplate
 VSTHRD
@@ -2320,6 +2426,9 @@ wcscpy
 wcslen
 wcsncmp
 wcsnicmp
+WDK
+wdksetup
+wdkvsix
 wdp
 wdupenv
 We'd
@@ -2346,6 +2455,8 @@ wikipedia
 wil
 wildcards
 winapi
+wincodec
+Wincodecsdk
 wincolor
 windef
 windevbuildagents
@@ -2401,6 +2512,7 @@ WMKEYUP
 wmp
 WMSYSKEYDOWN
 WMSYSKEYUP
+WMV
 wnd
 WNDCLASS
 WNDCLASSEX
@@ -2431,9 +2543,11 @@ wstringstream
 wsz
 wtoi
 WTS
+wtsapi
 WTSAT
 wu
 wubi
+WVC
 Wwan
 www
 wxs
@@ -2448,6 +2562,7 @@ XBUTTON
 XBUTTONDBLCLK
 XBUTTONDOWN
 XBUTTONUP
+xcopy
 XDiff
 XDocument
 XElement
@@ -2479,7 +2594,10 @@ yourinfo
 YourUserName
 YStr
 YUY
+yuyoyuppe
 YUYV
+YVU
+YVYU
 ZEROINIT
 ZIndex
 zipfolder
@@ -2491,9 +2609,3 @@ ZONESETCHANGE
 Zoneszonabletester
 Zoomusingmagnifier
 zzz
-coc
-djsoref
-dogancelik
-itsme
-nitroin
-ulazy

.pipelines/build-tools.cmd

@@ -7,3 +7,5 @@ set SolutionDir=%cd%
 popd
 SET IsPipeline=1
 call msbuild ../tools/BugReportTool/BugReportTool.sln /p:Configuration=Release /p:Platform=x64 /p:CIBuild=true || exit /b 1
+call msbuild ../tools/WebcamReportTool/WebcamReportTool.sln /p:Configuration=Release /p:Platform=x64 /p:CIBuild=true || exit /b 1
+

.pipelines/pipeline.user.windows.yml

@@ -61,6 +61,11 @@ build:
             - 'x64/**/*.pdb'
           exclude:
             - 'x64/Release/obj/**/*.pdb'
+        # TODO(yuyoyuppe): uncomment when VCM should be enabled
+        #- from: 'x86/Release'
+        #  to: 'Build_Output'
+        #  include:
+        #    - 'modules\VideoConference\VideoConferenceProxyFilter_x86.dll'
         - from: 'x64/Release'
           to: 'Build_Output'
           include:
@@ -159,6 +164,9 @@ build:
             - 'modules\PowerRename\PowerRenameExt.dll'
             - 'modules\ShortcutGuide\ShortcutGuide\PowerToys.ShortcutGuide.exe'
             - 'modules\ShortcutGuide\ShortcutGuideModuleInterface\ShortcutGuideModuleInterface.dll'
+            # TODO(yuyoyuppe): uncomment when VCM should be enabled
+            #- 'modules\VideoConference\VideoConferenceModule.dll'
+            #- 'modules\VideoConference\VideoConferenceProxyFilter_x64.dll'
             - 'Settings\ManagedTelemetry.dll'
             - 'Settings\Microsoft.PowerToys.Settings.UI.exe'
             - 'Settings\Microsoft.PowerToys.Settings.UI.Lib.dll'
@@ -177,6 +185,7 @@ build:
           to: 'Build_Output'
           include:
             - 'BugReportTool\BugReportTool.exe'
+            - 'WebcamReportTool\WebcamReportTool.exe'
           signing_options:
             sign_inline: true  # This does signing a soon as this command completes
     - !!buildcommand
@@ -237,4 +246,3 @@ static_analysis_options:
     files_to_scan:
       - exclude:
         - '**/*.lcl'
-

.pipelines/restore-tools.cmd

@@ -1,3 +1,4 @@
 cd /D "%~dp0"
 
 nuget restore ../tools/BugReportTool/BugReportTool.sln || exit /b 1
+nuget restore ../tools/WebcamReportTool/WebcamReportTool.sln || exit /b 1

.pipelines/restore.cmd

@@ -1,3 +1,12 @@
 cd /D "%~dp0"
 
 nuget restore ../PowerToys.sln || exit /b 1
+
+powershell.exe -Command "Invoke-WebRequest -OutFile %tmp%\wdksetup.exe https://go.microsoft.com/fwlink/p/?linkid=2085767"
+%tmp%\wdksetup.exe /q
+
+copy "C:\Program Files (x86)\Windows Kits\10\Vsix\VS2019\WDK.vsix" %tmp%\wdkvsix.zip
+powershell Expand-Archive %tmp%\wdkvsix.zip -DestinationPath %tmp%\wdkvsix -Force
+
+robocopy /e %tmp%\wdkvsix\$MSBuild\Microsoft\VC\v160  "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\VC\v160"  || IF %ERRORLEVEL% LEQ 7  EXIT 0
+robocopy /e %tmp%\wdkvsix\$VCTargets "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\VC\VCTargets" || IF %ERRORLEVEL% LEQ 7  EXIT 0

Cpp.Build.props

@@ -75,7 +75,7 @@
 
   <!-- Props that are constant for both Debug and Release configurations -->
   <PropertyGroup Label="Configuration">
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset Condition="'$(OverridePlatformToolset)'!='True'">v142</PlatformToolset>
     <IntDir>$(SolutionDir)$(Platform)\$(Configuration)\obj\$(ProjectName)\</IntDir>
     <CharacterSet>Unicode</CharacterSet>
     <SpectreMitigation>Spectre</SpectreMitigation>

PowerToys.sln

@@ -333,7 +333,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Community.PowerToys.Run.Plu
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Community.PowerToys.Run.Plugin.UnitConverter.UnitTest", "src\modules\launcher\Plugins\Community.PowerToys.Run.Plugin.UnitConverter.UnitTest\Community.PowerToys.Run.Plugin.UnitConverter.UnitTest.csproj", "{3E424AD2-19E5-4AE6-B833-F53963EB5FC1}"
 EndProject
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "shortcutguide", "shortcutguide", "{106CBECA-0701-4FC3-838C-9DF816A19AE2}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ShortcutGuideModuleInterface", "src\modules\ShortcutGuide\ShortcutGuideModuleInterface\ShortcutGuideModuleInterface.vcxproj", "{2D604C07-51FC-46BB-9EB7-75AECC7F5E81}"
@@ -342,376 +341,597 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ShortcutGuide", "src\module
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FancyZonesModuleInterface", "src\modules\fancyzones\FancyZonesModuleInterface\FancyZonesModuleInterface.vcxproj", "{48804216-2A0E-4168-A6D8-9CD068D14227}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FancyZones", "src\modules\fancyzones\FancyZones\FancyZones.vcxproj", "{390AE700-B55F-4202-91EA-A822EB75B9BD}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FancyZones", "src\modules\fancyzones\FancyZones\FancyZones.vcxproj", "{FF1D7936-842A-4BBB-8BEA-E9FE796DE700}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PowerToys.Update", "src\Update\PowerToys.Update.vcxproj", "{44CE9AE1-4390-42C5-BACC-0FD6B40AA203}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.PowerToys.Run.Plugin.WindowsSettings", "src\modules\launcher\Plugins\Microsoft.PowerToys.Run.Plugin.WindowsSettings\Microsoft.PowerToys.Run.Plugin.WindowsSettings.csproj", "{5043CECE-E6A7-4867-9CBE-02D27D83747A}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VideoConferenceShared", "src\modules\videoconference\VideoConferenceShared\VideoConferenceShared.vcxproj", "{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VideoConferenceModule", "src\modules\videoconference\VideoConferenceModule\Video Conference.vcxproj", "{5ABA70DE-3A3F-41F6-A1F5-D1F74F54F9BB}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VideoConferenceProxyFilter", "src\modules\videoconference\VideoConferenceProxyFilter\VideoConferenceProxyFilter.vcxproj", "{AC2857B4-103D-4D6D-9740-926EBF785042}"
+	ProjectSection(ProjectDependencies) = postProject
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A} = {459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}
+	EndProjectSection
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "VideoConference", "VideoConference", "{470FBAF9-E1F8-4F3E-8786-198A1C81C8A8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Debug|x64.ActiveCfg = Debug|x64
 		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Debug|x64.Build.0 = Debug|x64
+		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Debug|x86.ActiveCfg = Debug|x64
 		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Release|x64.ActiveCfg = Release|x64
 		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Release|x64.Build.0 = Release|x64
+		{9412D5C6-2CF2-4FC2-A601-B55508EA9B27}.Release|x86.ActiveCfg = Release|x64
 		{F9C68EDF-AC74-4B77-9AF1-005D9C9F6A99}.Debug|x64.ActiveCfg = Debug|x64
 		{F9C68EDF-AC74-4B77-9AF1-005D9C9F6A99}.Debug|x64.Build.0 = Debug|x64
+		{F9C68EDF-AC74-4B77-9AF1-005D9C9F6A99}.Debug|x86.ActiveCfg = Debug|x64
 		{F9C68EDF-AC74-4B77-9AF1-005D9C9F6A99}.Release|x64.ActiveCfg = Release|x64
 		{F9C68EDF-AC74-4B77-9AF1-005D9C9F6A99}.Release|x64.Build.0 = Release|x64
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+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|x86.ActiveCfg = Debug|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|x86.Build.0 = Debug|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x64.ActiveCfg = Release|x64
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x64.Build.0 = Release|x64
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x86.ActiveCfg = Release|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -809,16 +1029,20 @@ Global
 		{23D2070D-E4AD-4ADD-85A7-083D9C76AD49} = {38BDB927-829B-4C65-9CD9-93FB05D66D65}
 		{62173D9A-6724-4C00-A1C8-FB646480A9EC} = {38BDB927-829B-4C65-9CD9-93FB05D66D65}
 		{127F38E0-40AA-4594-B955-5616BF206882} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
-		{BB23A474-5058-4F75-8FA3-5FE3DE53CDF4} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
 		{5E7360A8-D048-4ED3-8F09-0BFD64C5529A} = {127F38E0-40AA-4594-B955-5616BF206882}
-		{3E424AD2-19E5-4AE6-B833-F53963EB5FC1} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
 		{D940E07F-532C-4FF3-883F-790DA014F19A} = {127F38E0-40AA-4594-B955-5616BF206882}
+		{BB23A474-5058-4F75-8FA3-5FE3DE53CDF4} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
+		{3E424AD2-19E5-4AE6-B833-F53963EB5FC1} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
 		{106CBECA-0701-4FC3-838C-9DF816A19AE2} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
 		{2D604C07-51FC-46BB-9EB7-75AECC7F5E81} = {106CBECA-0701-4FC3-838C-9DF816A19AE2}
 		{2EDB3EB4-FA92-4BFF-B2D8-566584837231} = {106CBECA-0701-4FC3-838C-9DF816A19AE2}
 		{48804216-2A0E-4168-A6D8-9CD068D14227} = {D1D6BC88-09AE-4FB4-AD24-5DED46A791DD}
-		{390AE700-B55F-4202-91EA-A822EB75B9BD} = {D1D6BC88-09AE-4FB4-AD24-5DED46A791DD}
+		{FF1D7936-842A-4BBB-8BEA-E9FE796DE700} = {D1D6BC88-09AE-4FB4-AD24-5DED46A791DD}
 		{5043CECE-E6A7-4867-9CBE-02D27D83747A} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A} = {470FBAF9-E1F8-4F3E-8786-198A1C81C8A8}
+		{5ABA70DE-3A3F-41F6-A1F5-D1F74F54F9BB} = {470FBAF9-E1F8-4F3E-8786-198A1C81C8A8}
+		{AC2857B4-103D-4D6D-9740-926EBF785042} = {470FBAF9-E1F8-4F3E-8786-198A1C81C8A8}
+		{470FBAF9-E1F8-4F3E-8786-198A1C81C8A8} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0}

doc/devdocs/readme.md

@@ -66,7 +66,12 @@ Various tools used by PowerToys. Includes the Visual Studio 2019 project templat
 2. Visual Studio Community/Professional/Enterprise 2019
 3. Once you've cloned and started the `PowerToys.sln`, in the solution explorer, if you see a dialog that says `install extra components`, click `install`
 
-### Compile source code
+**Optional step:**<br/>
+4. to build the Video Conference module, install the [WDK version 1903](https://docs.microsoft.com/en-us/windows-hardware/drivers/other-wdk-downloads) ([direct download link](https://go.microsoft.com/fwlink/?linkid=2085767))<br />
+   During the installation, make sure that, when prompted, the `Install Windows Driver Kit Visual Studio extension` option is checked.
+
+
+### Compiling Source Code
 
 - Open `PowerToys.sln` in Visual Studio, in the `Solutions Configuration` drop-down menu select `Release` or `Debug`, from the `Build` menu choose `Build Solution`.
 - The PowerToys binaries will be in your repo under `x64\Release\`.

installer/PowerToysSetup/PowerToysSetup.wixproj

@@ -3,7 +3,7 @@
   <Import Project="..\packages\WiX.3.11.2\build\wix.props" Condition="Exists('..\packages\WiX.3.11.2\build\wix.props')" />
   <Import Project="..\..\src\Version.props" />
   <PropertyGroup>
-    <DefineConstants>Version=$(Version);</DefineConstants>
+      <DefineConstants>Version=$(Version)</DefineConstants>
   </PropertyGroup>
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Release</Configuration>
@@ -74,7 +74,6 @@
   </Target>
   <PropertyGroup>
     <PreBuildEvent>IF NOT DEFINED IsPipeline (
-
 call "$([MSBuild]::GetVsInstallRoot())\Common7\Tools\VsDevCmd.bat" -arch=amd64 -host_arch=amd64 -winsdk=10.0.18362.0
 SET PTRoot=..\..\..\..
 call "..\..\publish.cmd"

installer/PowerToysSetup/Product.wxs

@@ -8,9 +8,11 @@
   <?define KeyboardManagerProjectName="KeyboardManager"?>
   <?define PowerRenameProjectName="PowerRename"?>
   <?define ColorPickerProjectName="ColorPicker"?>
+  <?define VideoConferenceProjectName="VideoConference"?>
   <?define AwakeProjectName="Awake"?>
 
   <?define RepoDir="$(var.ProjectDir)..\..\" ?>
+  <?define BinX32Dir="$(var.RepoDir)x86\$(var.Configuration)\" ?>
   <?define BinX64Dir="$(var.RepoDir)x64\$(var.Configuration)\" ?>
   <?define ShortcutGuideExecutable=$(var.BinX64Dir)\modules\ShortcutGuide\ShortcutGuide?>
   <?define ShortcutGuideModuleInterface=$(var.BinX64Dir)\modules\ShortcutGuide\ShortcutGuideModuleInterface?>
@@ -218,6 +220,10 @@
                 </Directory>
                 <Directory Id="ShortcutGuideModuleInterfaceInstallFolder" Name="ShortcutGuideModuleInterface"/>
                 </Directory>
+            <!-- TODO(yuyoyuppe): uncomment when VCM should be enabled                 -->
+            <!-- <Directory Id="VideoConferenceInstallFolder" Name="$(var.VideoConferenceProjectName)">
+              <Directory Id="VideoConferenceIconsFolder" Name="Icons" />
+            </Directory>                 -->
             <Directory Id="FileExplorerPreviewInstallFolder" Name="FileExplorerPreview" />
             <Directory Id="FancyZonesInstallFolder" Name="$(var.FancyZonesProjectName)" />
             <Directory Id="AwakeInstallFolder" Name="$(var.AwakeProjectName)">
@@ -442,6 +448,9 @@
       <Component Id="BugReportTool_exe" Guid="0F8E3E9F-2E86-4660-A3BF-AE4DD431B93C" Win64="yes">
         <File Source="$(var.BinX64Dir)BugReportTool\BugReportTool.exe" Id="BugReportTool.exe" KeyPath="yes" Checksum="yes" />
       </Component>
+      <Component Id="WebcamReportTool_exe" Guid="B6005DAC-8C26-4865-91B3-99F098422C13" Win64="yes">
+        <File Source="$(var.BinX64Dir)WebcamReportTool\WebcamReportTool.exe" Id="WebcamReportTool.exe" Checksum="yes" />
+      </Component>
     </DirectoryRef>
 
     <DirectoryRef Id="ModulesInstallFolder" FileSource="$(var.BinX64Dir)modules\">
@@ -637,6 +646,37 @@
       </Component>
     </DirectoryRef>
 
+    <!-- TODO(yuyoyuppe): uncomment when VCM should be enabled -->
+    <!-- <DirectoryRef Id="VideoConferenceInstallFolder" FileSource="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\">
+     <Component Id="Module_VideoConference" Guid="5996527a-40fc-432e-b3ac-abc0b4bd3887" Win64="yes">
+      <Condition>WINDOWSBUILDNUMBER >= 18362</Condition>
+      <File SelfRegCost="1" Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\VideoConferenceProxyFilter_x64.dll" KeyPath="yes">
+        <Class Id="{31AD75E9-8C3A-49C8-B9ED-5880D6B4A764}" Context="InprocServer32" ThreadingModel="apartment" Description="PowerToys VideoConference Mute" />
+      </File>
+      <File SelfRegCost="1" Source="$(var.BinX32Dir)modules\$(var.VideoConferenceProjectName)\VideoConferenceProxyFilter_x86.dll">
+        <Class Id="{31AD75E9-8C3A-49C8-B9ED-5880D6B4A732}" Context="InprocServer32" ThreadingModel="apartment" Description="PowerToys VideoConference Mute" />
+      </File>
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\VideoConferenceModule.dll" />
+     </Component>
+    </DirectoryRef>
+    <DirectoryRef Id="VideoConferenceIconsFolder" FileSource="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons">
+     <Component Id="Module_VideoConferenceIcons" Guid="5996527a-40fc-432e-b34c-abc0b4bd3887" Win64="yes">
+      <Condition>WINDOWSBUILDNUMBER >= 18362</Condition>
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-NotInUse Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-NotInUse Light.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-Off Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-Off Light.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-On Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\Off-On Light.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-NotInUse Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-NotInUse Light.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-Off Light.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-Off Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-On Dark.png" />
+      <File Source="$(var.BinX64Dir)modules\$(var.VideoConferenceProjectName)\Icons\On-On Light.png" />
+     </Component>
+    </DirectoryRef> -->
+
     <DirectoryRef Id="ShortcutGuideExecutableInstallFolder" FileSource="$(var.ShortcutGuideExecutable)">
       <Component Id="Module_ShortcutGuideExecutable" Guid="DA6E5710-F1DF-44EB-A316-300FA39544E9" Win64="yes">
         <File Source="$(var.ShortcutGuideExecutable)\PowerToys.ShortcutGuide.exe" KeyPath="yes" />
@@ -751,7 +791,7 @@
         <File Source="$(var.BinX64Dir)Settings\PowerToys.Settings.exe"/>
         <File Source="$(var.BinX64Dir)Settings\Microsoft.PowerToys.Settings.UI.exe"/>
         <!-- dll -->
-        <?foreach File in concrt140_app.dll;Microsoft.Bcl.AsyncInterfaces.dll;System.IO.Abstractions.dll;Microsoft.PowerToys.Settings.UI.Lib.dll;PowerToys.Settings.dll;Microsoft.Toolkit.dll;Microsoft.Toolkit.Uwp.dll;Microsoft.Toolkit.Uwp.UI.dll;Microsoft.Toolkit.Win32.UI.XamlHost.dll;Microsoft.Toolkit.Win32.UI.XamlHost.Managed.dll;Microsoft.Toolkit.Wpf.UI.Controls.dll;Microsoft.Toolkit.Wpf.UI.XamlHost.dll;Microsoft.UI.Xaml.dll;Microsoft.Xaml.Interactions.dll;Microsoft.Xaml.Interactivity.dll;msvcp140_1_app.dll;msvcp140_2_app.dll;msvcp140_app.dll;Newtonsoft.Json.dll;PowerToysInterop.dll;System.Runtime.CompilerServices.Unsafe.dll;System.Text.Encodings.Web.dll;System.Text.Json.dll;vcamp140_app.dll;vccorlib140_app.dll;vcomp140_app.dll;vcruntime140_1_app.dll;vcruntime140_app.dll;ManagedTelemetry.dll;ManagedCommon.dll;ColorCode.Core.dll;ColorCode.UWP.dll;Microsoft.Graphics.Canvas.winmd;Microsoft.Toolkit.Parsers.dll;Microsoft.Toolkit.Uwp.UI.Animations.dll;Microsoft.Toolkit.Uwp.UI.Controls.dll?>
+        <?foreach File in concrt140_app.dll;Microsoft.Bcl.AsyncInterfaces.dll;System.IO.Abstractions.dll;Microsoft.PowerToys.Settings.UI.Lib.dll;PowerToys.Settings.dll;Microsoft.Toolkit.dll;Microsoft.Toolkit.Uwp.dll;Microsoft.Toolkit.Uwp.UI.dll;Microsoft.Toolkit.Win32.UI.XamlHost.dll;Microsoft.Toolkit.Win32.UI.XamlHost.Managed.dll;Microsoft.Toolkit.Wpf.UI.Controls.dll;Microsoft.Toolkit.Wpf.UI.XamlHost.dll;Microsoft.UI.Xaml.dll;Microsoft.Xaml.Interactions.dll;Microsoft.Xaml.Interactivity.dll;msvcp140_1_app.dll;msvcp140_2_app.dll;msvcp140_app.dll;Newtonsoft.Json.dll;PowerToysInterop.dll;System.Runtime.CompilerServices.Unsafe.dll;System.Text.Encodings.Web.dll;System.Text.Json.dll;vcamp140_app.dll;vccorlib140_app.dll;vcomp140_app.dll;vcruntime140_1_app.dll;vcruntime140_app.dll;ManagedTelemetry.dll;ManagedCommon.dll;ColorCode.Core.dll;ColorCode.UWP.dll;Microsoft.Graphics.Canvas.winmd;Microsoft.Toolkit.Parsers.dll;Microsoft.Toolkit.Uwp.UI.Animations.dll;Microsoft.Toolkit.Uwp.UI.Controls.dll;System.Deployment.dll;System.Windows.Forms.dll;System.Runtime.Serialization.Formatters.Soap.dll?>
           <File Id="SettingsV2_$(var.File)" Source="$(var.BinX64Dir)Settings\$(var.File)" />
         <?endforeach?>
         <!-- json -->
@@ -791,7 +831,7 @@
     </DirectoryRef>
     <DirectoryRef Id="SettingsV2AssetsModulesInstallFolder" FileSource="$(var.BinX64Dir)Settings\Assets\Modules">
       <Component Id="SettingsV2AssetsModules" Guid="A0B961A9-77D0-4223-88A9-E3B41BD9C329" Win64="yes">
-        <?foreach File in ColorPicker.png;FancyZones.png;Awake.png;ImageResizer.png;KBM.png;PowerLauncher.png;PowerPreview.png;PowerRename.png;PT.png;ShortcutGuide.png?>
+        <?foreach File in ColorPicker.png;FancyZones.png;Awake.png;ImageResizer.png;KBM.png;PowerLauncher.png;PowerPreview.png;PowerRename.png;PT.png;ShortcutGuide.png;VideoConference.png?>
           <File Id="SettingsV2AssetsModules_$(var.File)" Source="$(var.BinX64Dir)Settings\Assets\Modules\$(var.File)" />
         <?endforeach?>
       </Component>
@@ -882,6 +922,9 @@
       <ComponentRef Id="ShortcutGuideSvgs" />
       <ComponentRef Id="Module_ShortcutGuideModuleInterface" />
       <ComponentRef Id="Module_ShortcutGuideExecutable" />
+      <!-- TODO(yuyoyuppe): uncomment when VCM should be enabled -->
+      <!-- <ComponentRef Id="Module_VideoConference" />
+      <ComponentRef Id="Module_VideoConferenceIcons" /> -->
       <ComponentRef Id="Module_FancyZones" />
       <ComponentRef Id="DesktopShortcut" />
       <ComponentRef Id="Module_PowerRename" />
@@ -911,6 +954,7 @@
     </ComponentGroup>
     <ComponentGroup Id="ToolComponents" Directory="ToolsFolder">
       <ComponentRef Id="BugReportTool_exe" />
+      <ComponentRef Id="WebcamReportTool_exe" />
     </ComponentGroup>
   </Fragment>
 

installer/PowerToysSetupCustomActions/CustomAction.cpp

@@ -18,6 +18,7 @@ TRACELOGGING_DEFINE_PROVIDER(
 const DWORD USERNAME_DOMAIN_LEN = DNLEN + UNLEN + 2; // Domain Name + '\' + User Name + '\0'
 const DWORD USERNAME_LEN = UNLEN + 1; // User Name + '\0'
 
+static const wchar_t* POWERTOYS_EXE_COMPONENT = L"{A2C66D91-3485-4D00-B04D-91844E6B345B}";
 static const wchar_t* POWERTOYS_UPGRADE_CODE = L"{42B84BF7-5FBF-473B-9C8B-049DC16F7708}";
 
 // Creates a Scheduled Task to run at logon for the current user.
@@ -596,6 +597,165 @@ UINT __stdcall DetectPrevInstallPathCA(MSIHANDLE hInstall)
     return WcaFinalize(er);
 }
 
+UINT __stdcall CertifyVirtualCameraDriverCA(MSIHANDLE hInstall)
+{
+#ifdef CIBuild // On pipeline we are using microsoft certification
+    WcaInitialize(hInstall, "CertifyVirtualCameraDriverCA");
+    return WcaFinalize(ERROR_SUCCESS);
+#else
+    HRESULT hr = S_OK;
+    UINT er = ERROR_SUCCESS;
+    LPWSTR certificatePath = nullptr;
+    HCERTSTORE hCertStore = nullptr;
+    HANDLE hfile = nullptr;
+    DWORD size = INVALID_FILE_SIZE;
+    char * pFileContent = nullptr;
+
+    hr = WcaInitialize(hInstall, "CertifyVirtualCameraDriverCA");
+    ExitOnFailure(hr, "Failed to initialize", hr);
+
+    hr = WcaGetProperty(L"CustomActionData", &certificatePath);
+    ExitOnFailure(hr, "Failed to get install preperty", hr);
+
+    hCertStore = CertOpenStore(CERT_STORE_PROV_SYSTEM, 0, 0, CERT_SYSTEM_STORE_LOCAL_MACHINE, L"AuthRoot");
+    if (!hCertStore)
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Cannot put principal run level: %x", hr);
+    }
+
+    hfile = CreateFile(certificatePath, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+    if (hfile == INVALID_HANDLE_VALUE)
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Certificate file open failed", hr);
+    }
+
+    size = GetFileSize(hfile, nullptr);
+    if (size == INVALID_FILE_SIZE)
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Certificate file size not valid", hr);
+    }
+
+    pFileContent = (char*)malloc(size);
+
+    DWORD sizeread;
+    if (!ReadFile(hfile, pFileContent, size, &sizeread, nullptr))
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Certificate file read failed", hr);
+    }
+
+    if (!CertAddEncodedCertificateToStore(hCertStore,
+        X509_ASN_ENCODING,
+        (const BYTE*)pFileContent,
+        size,
+        CERT_STORE_ADD_ALWAYS,
+        nullptr))
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Adding certificate failed", hr);
+    }
+
+    free(pFileContent);
+
+LExit:
+    ReleaseStr(certificatePath);
+    if (hCertStore)
+    {
+        CertCloseStore(hCertStore, 0);
+    }
+    if (hfile)
+    {
+        CloseHandle(hfile);
+    }
+
+    if (!SUCCEEDED(hr))
+    {
+        PMSIHANDLE hRecord = MsiCreateRecord(0);
+        MsiRecordSetString(hRecord, 0, TEXT("Failed to add certificate to store"));
+        MsiProcessMessage(hInstall, INSTALLMESSAGE(INSTALLMESSAGE_WARNING + MB_OK), hRecord);
+    }
+
+
+    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
+    return WcaFinalize(er);
+#endif
+}
+
+
+UINT __stdcall InstallVirtualCameraDriverCA(MSIHANDLE hInstall)
+{
+    HRESULT hr = S_OK;
+    UINT er = ERROR_SUCCESS;
+    LPWSTR driverPath = nullptr;
+
+    hr = WcaInitialize(hInstall, "InstallVirtualCameraDriverCA");
+    ExitOnFailure(hr, "Failed to initialize");
+
+    hr = WcaGetProperty(L"CustomActionData", &driverPath);
+    ExitOnFailure(hr, "Failed to get install preperty");
+
+    BOOL requiresReboot;
+    DiInstallDriverW(GetConsoleWindow(), driverPath, DIIRFLAG_FORCE_INF, &requiresReboot);
+
+    hr = GetLastError();
+    ExitOnFailure(hr, "Failed to install driver");
+
+LExit:
+
+    if (!SUCCEEDED(hr))
+    {
+        PMSIHANDLE hRecord = MsiCreateRecord(0);
+        MsiRecordSetString(hRecord, 0, TEXT("Failed to install virtual camera driver"));
+        MsiProcessMessage(hInstall, INSTALLMESSAGE(INSTALLMESSAGE_WARNING + MB_OK), hRecord);
+    }
+
+    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
+    return WcaFinalize(er);
+}
+
+UINT __stdcall UninstallVirtualCameraDriverCA(MSIHANDLE hInstall)
+{
+    HRESULT hr = S_OK;
+    UINT er = ERROR_SUCCESS;
+    LPWSTR driverPath = nullptr;
+
+    hr = WcaInitialize(hInstall, "UninstallVirtualCameraDriverCA");
+    ExitOnFailure(hr, "Failed to initialize");
+
+    hr = WcaGetProperty(L"CustomActionData", &driverPath);
+    ExitOnFailure(hr, "Failed to get uninstall preperty");
+
+    BOOL requiresReboot;
+    DiUninstallDriverW(GetConsoleWindow(), driverPath, 0, &requiresReboot);
+
+    switch (GetLastError())
+    {
+    case ERROR_ACCESS_DENIED:
+    case ERROR_FILE_NOT_FOUND:
+    case ERROR_INVALID_FLAGS:
+    case ERROR_IN_WOW64:
+    {
+        hr = GetLastError();
+        ExitOnFailure(hr, "Failed to uninstall driver");
+        break;
+    }
+    }
+
+LExit:
+
+    if (!SUCCEEDED(hr))
+    {
+        PMSIHANDLE hRecord = MsiCreateRecord(0);
+        MsiRecordSetString(hRecord, 0, TEXT("Filed to iminstall virtual camera driver"));
+        MsiProcessMessage(hInstall, INSTALLMESSAGE(INSTALLMESSAGE_WARNING + MB_OK), hRecord);
+    }
+
+    er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
+    return WcaFinalize(er);
+}
 
 UINT __stdcall TerminateProcessesCA(MSIHANDLE hInstall)
 {

installer/PowerToysSetupCustomActions/CustomAction.def

@@ -13,3 +13,7 @@ EXPORTS
 	TelemetryLogRepairCancelCA
 	TelemetryLogRepairFailCA
 	TerminateProcessesCA
+	TerminateProcessesCA
+	CertifyVirtualCameraDriverCA
+	InstallVirtualCameraDriverCA
+	UninstallVirtualCameraDriverCA

installer/PowerToysSetupCustomActions/PowerToysSetupCustomActions.vcxproj

@@ -56,7 +56,7 @@
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(WIX)sdk\$(WixPlatformToolset)\lib\x64;$(SolutionDir)\packages\WiX.3.11.2\tools\sdk\vs2017\lib\x64;..\..\$(PlatformShortName)\$(Configuration)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>msi.lib;wcautil.lib;Psapi.lib;Pathcch.lib;comsupp.lib;taskschd.lib;Secur32.lib;msi.lib;dutil.lib;wcautil.lib;Version.lib;ApplicationUpdate.lib;Notifications.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>Newdev.lib;Crypt32.lib;msi.lib;wcautil.lib;Psapi.lib;Pathcch.lib;comsupp.lib;taskschd.lib;Secur32.lib;msi.lib;dutil.lib;wcautil.lib;Version.lib;ApplicationUpdate.lib;Notifications.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">

installer/PowerToysSetupCustomActions/stdafx.h

@@ -4,6 +4,7 @@
 #define DPSAPI_VERSION 1
 // Windows Header Files:
 #include <windows.h>
+#include <newdev.h>
 #include <strsafe.h>
 #include <msiquery.h>
 #include <Msi.h>

src/common/SettingsAPI/FileWatcher.h

@@ -1,6 +1,13 @@
 #pragma once
 
-#include "pch.h"
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+#include <Windows.h>
+
+#include <thread>
+#include <optional>
+#include <string>
+#include <functional>
 
 class FileWatcher
 {

src/common/SettingsAPI/SetttingsAPI.vcxproj

@@ -28,10 +28,12 @@
     <ClInclude Include="pch.h" />
     <ClInclude Include="settings_helpers.h" />
     <ClInclude Include="settings_objects.h" />
+    <ClInclude Include="FileWatcher.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="settings_helpers.cpp" />
     <ClCompile Include="settings_objects.cpp" />
+    <ClCompile Include="FileWatcher.cpp" />
     <ClCompile Include="pch.cpp">
       <PrecompiledHeader Condition="'$(CIBuild)'!='true'">Create</PrecompiledHeader>
     </ClCompile>

src/common/SettingsAPI/settings_helpers.h

@@ -8,6 +8,7 @@ namespace PTSettingsHelper
 {
     constexpr inline const wchar_t* log_settings_filename = L"log_settings.json";
 
+    std::wstring get_powertoys_general_save_file_location();
     std::wstring get_module_save_file_location(std::wstring_view powertoy_key);
     std::wstring get_module_save_folder_location(std::wstring_view powertoy_name);
     std::wstring get_root_save_folder_location();

src/common/Telemetry/ProjectTelemetry.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <TraceLoggingProvider.h>
+#include "TraceLoggingProvider.h"
-#include <TraceLoggingDefines.h>
+#include "TraceLoggingDefines.h"
 
 TRACELOGGING_DECLARE_PROVIDER(g_hProvider);

src/common/interop/PowerToysInterop.vcxproj

@@ -47,6 +47,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup>
     <ClCompile>
+      <PreprocessorDefinitions>PowerToysInterop;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <AdditionalIncludeDirectories>$(SolutionDir)src\common\interop;../../;../;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <OmitDefaultLibName>false</OmitDefaultLibName>
@@ -54,7 +55,7 @@
       <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>WindowsApp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>Mf.lib;WindowsApp.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -83,6 +84,8 @@
     <WriteLinesToFile File="Generated Files\AssemblyInfo.cpp" Lines="@(HeaderLines)" Overwrite="true" Encoding="Unicode" WriteOnlyWhenDifferent="true" />
   </Target>
   <ItemGroup>
+    <ClInclude Include="..\..\modules\videoconference\VideoConferenceShared\MicrophoneDevice.h" />
+    <ClInclude Include="..\..\modules\videoconference\VideoConferenceShared\VideoCaptureDeviceList.h" />
     <ClInclude Include="HotkeyManager.h" />
     <ClInclude Include="KeyboardHook.h" />
     <ClInclude Include="pch.h" />
@@ -90,6 +93,12 @@
     <ClInclude Include="shared_constants.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\..\modules\videoconference\VideoConferenceShared\MicrophoneDevice.cpp">
+      <CompileAsManaged>false</CompileAsManaged>
+    </ClCompile>    
+    <ClCompile Include="..\..\modules\videoconference\VideoConferenceShared\VideoCaptureDeviceList.cpp">
+      <CompileAsManaged>false</CompileAsManaged>
+    </ClCompile>    
     <ClCompile Include="Generated Files\AssemblyInfo.cpp" />
     <ClCompile Include="HotkeyManager.cpp" />
     <ClCompile Include="interop.cpp" />
@@ -109,6 +118,12 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200902.2\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200902.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
+  </ImportGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

src/common/interop/PowerToysInterop.vcxproj.filters

@@ -27,6 +27,12 @@
     <ClInclude Include="resource.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\modules\videoconference\VideoConferenceShared\MicrophoneDevice.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\modules\videoconference\VideoConferenceShared\VideoCaptureDeviceList.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>    
     <ClInclude Include="shared_constants.h">   
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -50,6 +56,12 @@
     <ClCompile Include="keyboard_layout.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\modules\videoconference\VideoConferenceShared\MicrophoneDevice.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\modules\videoconference\VideoConferenceShared\VideoCaptureDeviceList.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="interop.rc">

src/common/interop/interop.cpp

@@ -13,12 +13,17 @@
 // Therefore the simplest way is to compile these functions as native using the pragmas below.
 #pragma managed(push, off)
 #include "../utils/os-detect.h"
+// TODO: move to a separate library in common
+#include "../../modules/videoconference/VideoConferenceShared/MicrophoneDevice.h"
+#include "../../modules/videoconference/VideoConferenceShared/VideoCaptureDeviceList.h"
 #pragma managed(pop)
 
 #include <common/version/version.h>
 
+
 using namespace System;
 using namespace System::Runtime::InteropServices;
+using System::Collections::Generic::List;
 
 // https://docs.microsoft.com/en-us/cpp/dotnet/how-to-wrap-native-class-for-use-by-csharp?view=vs-2019
 namespace interop
@@ -122,6 +127,32 @@ public
         static String ^ GetProductVersion() {
             return gcnew String(get_product_version().c_str());
         }
+
+        static List<String ^> ^ GetAllActiveMicrophoneDeviceNames() {
+            auto names = gcnew List<String ^>();
+            for (const auto& device : MicrophoneDevice::getAllActive())
+            {
+                names->Add(gcnew String(device.name().data()));
+            }
+            return names;
+        }
+
+            static List<String ^> ^
+            GetAllVideoCaptureDeviceNames() {
+                auto names = gcnew List<String ^>();
+                VideoCaptureDeviceList vcdl;
+                vcdl.EnumerateDevices();
+
+                for (UINT32 i = 0; i < vcdl.Count(); ++i)
+                {
+                    auto name = gcnew String(vcdl.GetDeviceName(i).data());
+                    if (name != L"PowerToys VideoConference Mute")
+                    {
+                        names->Add(name);
+                    }
+                }
+                return names;
+            }
     };
 
 public

src/common/interop/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.200902.2" targetFramework="native" />
+</packages>

src/modules/fancyzones/FancyZonesLib/FancyZones.cpp

@@ -7,13 +7,13 @@
 #include <common/utils/resources.h>
 #include <common/utils/winapi_error.h>
 #include <common/utils/window.h>
+#include <common/SettingsAPI/FileWatcher.h>
 
 #include "FancyZones.h"
 #include "FancyZonesLib/Settings.h"
 #include "FancyZonesLib/ZoneWindow.h"
 #include "FancyZonesLib/FancyZonesData.h"
 #include "FancyZonesLib/ZoneSet.h"
-#include "FancyZonesLib/FileWatcher.h"
 #include "FancyZonesLib/WindowMoveHandler.h"
 #include "FancyZonesLib/FancyZonesWinHookEventIDs.h"
 #include "FancyZonesLib/util.h"

src/modules/fancyzones/FancyZonesLib/FancyZonesLib.vcxproj

@@ -41,7 +41,6 @@
     <ClInclude Include="FancyZones.h" />
     <ClInclude Include="FancyZonesDataTypes.h" />
     <ClInclude Include="FancyZonesWinHookEventIDs.h" />
-    <ClInclude Include="FileWatcher.h" />
     <ClInclude Include="GenericKeyHook.h" />
     <ClInclude Include="FancyZonesData.h" />
     <ClInclude Include="JsonHelpers.h" />
@@ -67,7 +66,6 @@
     <ClCompile Include="FancyZonesDataTypes.cpp" />
     <ClCompile Include="FancyZonesWinHookEventIDs.cpp" />
     <ClCompile Include="FancyZonesData.cpp" />
-    <ClCompile Include="FileWatcher.cpp" />
     <ClCompile Include="JsonHelpers.cpp" />
     <ClCompile Include="MonitorWorkAreaHandler.cpp" />
     <ClCompile Include="OnThreadExecutor.cpp" />

src/modules/fancyzones/FancyZonesLib/FancyZonesLib.vcxproj.filters

@@ -78,9 +78,6 @@
     <ClInclude Include="ZoneWindowDrawing.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="FileWatcher.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="CallTracer.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -140,9 +137,6 @@
     <ClCompile Include="OnThreadExecutor.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="FileWatcher.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="CallTracer.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>

src/modules/videoconference/VideoConferenceModule/Icons/Off-NotInUse Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-Disabled">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-Disabled" clip-path="url(#clip-Off-Disabled)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#313131"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#585858" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera not in use</tspan></text>
+    <path id="Camera_disabled_icon" data-name="Camera disabled icon" d="M12.5,509.031a3.408,3.408,0,0,1,1.359.272,3.634,3.634,0,0,1,1.117.745,3.348,3.348,0,0,1,.75,1.1A3.555,3.555,0,0,1,16,512.508a3.35,3.35,0,0,1-.273,1.351,3.608,3.608,0,0,1-.75,1.11,3.371,3.371,0,0,1-1.109.745,3.617,3.617,0,0,1-1.367.272,3.407,3.407,0,0,1-1.359-.272,3.634,3.634,0,0,1-1.117-.745,3.347,3.347,0,0,1-.75-1.1A3.555,3.555,0,0,1,9,512.508a3.351,3.351,0,0,1,.273-1.351,3.608,3.608,0,0,1,.75-1.11,3.371,3.371,0,0,1,1.109-.745A3.616,3.616,0,0,1,12.5,509.031ZM10,512.508a2.393,2.393,0,0,0,.2.963,2.585,2.585,0,0,0,.531.792,2.423,2.423,0,0,0,.8.536,2.491,2.491,0,0,0,.977.194,2.591,2.591,0,0,0,.719-.1,2.241,2.241,0,0,0,.656-.31l-3.461-3.439a2.334,2.334,0,0,0-.3.652A2.76,2.76,0,0,0,10,512.508Zm4.586,1.366a2.333,2.333,0,0,0,.3-.652,2.759,2.759,0,0,0,.109-.714,2.393,2.393,0,0,0-.2-.963,2.428,2.428,0,0,0-.539-.784,2.725,2.725,0,0,0-.8-.536,2.353,2.353,0,0,0-.969-.2,2.593,2.593,0,0,0-.719.1,2.245,2.245,0,0,0-.656.311ZM16,504v5.326a4.453,4.453,0,0,0-1-.823v-2.9l-3,1.5v.714a4.157,4.157,0,0,0-.508.078,4.1,4.1,0,0,0-.492.14v-2.981H1v5.962H8a4.038,4.038,0,0,0-.219.994H0v-7.95H12v1.925Z" transform="translate(171 -486)" fill="#585858"/>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)" fill="#fff"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/Off-NotInUse Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-Disabled_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-Disabled_Light" data-name="Off-Disabled Light" clip-path="url(#clip-Off-Disabled_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#c1c1c1" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera not in use</tspan></text>
+    <path id="Camera_disabled_icon" data-name="Camera disabled icon" d="M12.5,509.031a3.408,3.408,0,0,1,1.359.272,3.634,3.634,0,0,1,1.117.745,3.348,3.348,0,0,1,.75,1.1A3.555,3.555,0,0,1,16,512.508a3.35,3.35,0,0,1-.273,1.351,3.608,3.608,0,0,1-.75,1.11,3.371,3.371,0,0,1-1.109.745,3.617,3.617,0,0,1-1.367.272,3.407,3.407,0,0,1-1.359-.272,3.634,3.634,0,0,1-1.117-.745,3.347,3.347,0,0,1-.75-1.1A3.555,3.555,0,0,1,9,512.508a3.351,3.351,0,0,1,.273-1.351,3.608,3.608,0,0,1,.75-1.11,3.371,3.371,0,0,1,1.109-.745A3.616,3.616,0,0,1,12.5,509.031ZM10,512.508a2.393,2.393,0,0,0,.2.963,2.585,2.585,0,0,0,.531.792,2.423,2.423,0,0,0,.8.536,2.491,2.491,0,0,0,.977.194,2.591,2.591,0,0,0,.719-.1,2.241,2.241,0,0,0,.656-.31l-3.461-3.439a2.334,2.334,0,0,0-.3.652A2.76,2.76,0,0,0,10,512.508Zm4.586,1.366a2.333,2.333,0,0,0,.3-.652,2.759,2.759,0,0,0,.109-.714,2.393,2.393,0,0,0-.2-.963,2.428,2.428,0,0,0-.539-.784,2.725,2.725,0,0,0-.8-.536,2.353,2.353,0,0,0-.969-.2,2.593,2.593,0,0,0-.719.1,2.245,2.245,0,0,0-.656.311ZM16,504v5.326a4.453,4.453,0,0,0-1-.823v-2.9l-3,1.5v.714a4.157,4.157,0,0,0-.508.078,4.1,4.1,0,0,0-.492.14v-2.981H1v5.962H8a4.038,4.038,0,0,0-.219.994H0v-7.95H12v1.925Z" transform="translate(171 -486)" fill="#c1c1c1"/>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/Off-Off Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-Off_Dark">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-Off_Dark" data-name="Off-Off Dark" clip-path="url(#clip-Off-Off_Dark)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#313131"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera off</tspan></text>
+    <path id="Camera_off_icon" data-name="Camera off icon" d="M12,24.9l4-2.038v8.279l-1.953-1q-.141-.072-.258-.119t-.242-.1a1.825,1.825,0,0,1-.227-.119l-.25-.159a1.726,1.726,0,0,1-.2-.159,1.556,1.556,0,0,1-.156-.167q-.07-.088-.148-.175l-.18-.2L11,27.533v-3.59H7.477l-1-1.019H12Zm3,4.593V24.508l-3,1.536v1.91ZM.148,19.716.852,19l15,15.284-.7.716-3.859-3.924H0V22.924H3.289ZM1,30.057h9.289l-6-6.113H1Z" transform="translate(171 -5)" fill="#fff"/>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)" fill="#fff"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/Off-Off Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-Off_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-Off_Light" data-name="Off-Off Light" clip-path="url(#clip-Off-Off_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera off</tspan></text>
+    <path id="Camera_off_icon" data-name="Camera off icon" d="M12,24.9l4-2.038v8.279l-1.953-1q-.141-.072-.258-.119t-.242-.1a1.825,1.825,0,0,1-.227-.119l-.25-.159a1.726,1.726,0,0,1-.2-.159,1.556,1.556,0,0,1-.156-.167q-.07-.088-.148-.175l-.18-.2L11,27.533v-3.59H7.477l-1-1.019H12Zm3,4.593V24.508l-3,1.536v1.91ZM.148,19.716.852,19l15,15.284-.7.716-3.859-3.924H0V22.924H3.289ZM1,30.057h9.289l-6-6.113H1Z" transform="translate(171 -5)"/>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/Off-On Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-On_Dark">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-On_Dark" data-name="Off-On Dark" clip-path="url(#clip-Off-On_Dark)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#313131"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera on</tspan></text>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)" fill="#fff"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+    <path id="Camera_on_icon" data-name="Camera on icon" d="M16,512.359,12,510.3V512.3H0v-8.231H12v1.993L16,504Zm-5-7.266H1v6.173H11Zm4,.571-3,1.551v1.929l3,1.551Z" transform="translate(171 -486)" fill="#fff"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/Off-On Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-Off-On_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="Off-On_Light" data-name="Off-On Light" clip-path="url(#clip-Off-On_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera on</tspan></text>
+    <path id="Mic_off_icon" data-name="Mic off icon" d="M23.943,2.531l-1.019-1V1.5a1.448,1.448,0,0,1,.119-.586A1.5,1.5,0,0,1,23.37.437,1.538,1.538,0,0,1,24.453,0h4.076a1.538,1.538,0,0,1,1.083.437,1.5,1.5,0,0,1,.326.477,1.448,1.448,0,0,1,.119.586V8.531l-1.019-1V1.5a.472.472,0,0,0-.143-.352A.529.529,0,0,0,28.528,1H24.453a.491.491,0,0,0-.358.141.509.509,0,0,0-.151.359ZM32.095,8v2.523l-1.019-.992V8ZM35,15.148l-.716.7-3-2.945a3.218,3.218,0,0,1-1.106.8A3.388,3.388,0,0,1,28.831,14H27v1h2.038v1H23.943V15h2.038V14H24.15a3.206,3.206,0,0,1-1.266-.25,3.307,3.307,0,0,1-1.035-.687,3.239,3.239,0,0,1-.7-1.016,3.16,3.16,0,0,1-.263-1.25V8h1.019v2.8a2.093,2.093,0,0,0,.175.852,2.238,2.238,0,0,0,.486.7,2.2,2.2,0,0,0,.708.469,2.493,2.493,0,0,0,.876.18h4.681a2.187,2.187,0,0,0,.947-.211,2.427,2.427,0,0,0,.78-.586l-.812-.8a1.486,1.486,0,0,1-.533.438,1.613,1.613,0,0,1-.685.164H24.453a1.538,1.538,0,0,1-1.083-.437,1.5,1.5,0,0,1-.326-.477,1.448,1.448,0,0,1-.119-.586V4.711L19,.852l.716-.7ZM28.528,11a.5.5,0,0,0,.287-.086.526.526,0,0,0,.191-.234L23.943,5.711V10.5a.472.472,0,0,0,.143.352.529.529,0,0,0,.366.148Z" transform="translate(-9 14)"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone off</tspan></text>
+    <path id="Camera_on_icon" data-name="Camera on icon" d="M16,512.359,12,510.3V512.3H0v-8.231H12v1.993L16,504Zm-5-7.266H1v6.173H11Zm4,.571-3,1.551v1.929l3,1.551Z" transform="translate(171 -486)"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-NotInUse Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-Disabled">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-Disabled" clip-path="url(#clip-On-Disabled)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#1f1f1f"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#585858" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera not in use</tspan></text>
+    <path id="Camer_disabled_icon" data-name="Camer disabled icon" d="M12.5,509.031a3.408,3.408,0,0,1,1.359.272,3.634,3.634,0,0,1,1.117.745,3.348,3.348,0,0,1,.75,1.1A3.555,3.555,0,0,1,16,512.508a3.35,3.35,0,0,1-.273,1.351,3.608,3.608,0,0,1-.75,1.11,3.371,3.371,0,0,1-1.109.745,3.617,3.617,0,0,1-1.367.272,3.407,3.407,0,0,1-1.359-.272,3.634,3.634,0,0,1-1.117-.745,3.347,3.347,0,0,1-.75-1.1A3.555,3.555,0,0,1,9,512.508a3.351,3.351,0,0,1,.273-1.351,3.608,3.608,0,0,1,.75-1.11,3.371,3.371,0,0,1,1.109-.745A3.616,3.616,0,0,1,12.5,509.031ZM10,512.508a2.393,2.393,0,0,0,.2.963,2.585,2.585,0,0,0,.531.792,2.423,2.423,0,0,0,.8.536,2.491,2.491,0,0,0,.977.194,2.591,2.591,0,0,0,.719-.1,2.241,2.241,0,0,0,.656-.31l-3.461-3.439a2.334,2.334,0,0,0-.3.652A2.76,2.76,0,0,0,10,512.508Zm4.586,1.366a2.333,2.333,0,0,0,.3-.652,2.759,2.759,0,0,0,.109-.714,2.393,2.393,0,0,0-.2-.963,2.428,2.428,0,0,0-.539-.784,2.725,2.725,0,0,0-.8-.536,2.353,2.353,0,0,0-.969-.2,2.593,2.593,0,0,0-.719.1,2.245,2.245,0,0,0-.656.311ZM16,504v5.326a4.453,4.453,0,0,0-1-.823v-2.9l-3,1.5v.714a4.157,4.157,0,0,0-.508.078,4.1,4.1,0,0,0-.492.14v-2.981H1v5.962H8a4.038,4.038,0,0,0-.219.994H0v-7.95H12v1.925Z" transform="translate(171 -486)" fill="#585858"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)" fill="#fff"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-NotInUse Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-Disabled_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-Disabled_Light" data-name="On-Disabled Light" clip-path="url(#clip-On-Disabled_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#c1c1c1" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera not in use</tspan></text>
+    <path id="Camer_disabled_icon" data-name="Camer disabled icon" d="M12.5,509.031a3.408,3.408,0,0,1,1.359.272,3.634,3.634,0,0,1,1.117.745,3.348,3.348,0,0,1,.75,1.1A3.555,3.555,0,0,1,16,512.508a3.35,3.35,0,0,1-.273,1.351,3.608,3.608,0,0,1-.75,1.11,3.371,3.371,0,0,1-1.109.745,3.617,3.617,0,0,1-1.367.272,3.407,3.407,0,0,1-1.359-.272,3.634,3.634,0,0,1-1.117-.745,3.347,3.347,0,0,1-.75-1.1A3.555,3.555,0,0,1,9,512.508a3.351,3.351,0,0,1,.273-1.351,3.608,3.608,0,0,1,.75-1.11,3.371,3.371,0,0,1,1.109-.745A3.616,3.616,0,0,1,12.5,509.031ZM10,512.508a2.393,2.393,0,0,0,.2.963,2.585,2.585,0,0,0,.531.792,2.423,2.423,0,0,0,.8.536,2.491,2.491,0,0,0,.977.194,2.591,2.591,0,0,0,.719-.1,2.241,2.241,0,0,0,.656-.31l-3.461-3.439a2.334,2.334,0,0,0-.3.652A2.76,2.76,0,0,0,10,512.508Zm4.586,1.366a2.333,2.333,0,0,0,.3-.652,2.759,2.759,0,0,0,.109-.714,2.393,2.393,0,0,0-.2-.963,2.428,2.428,0,0,0-.539-.784,2.725,2.725,0,0,0-.8-.536,2.353,2.353,0,0,0-.969-.2,2.593,2.593,0,0,0-.719.1,2.245,2.245,0,0,0-.656.311ZM16,504v5.326a4.453,4.453,0,0,0-1-.823v-2.9l-3,1.5v.714a4.157,4.157,0,0,0-.508.078,4.1,4.1,0,0,0-.492.14v-2.981H1v5.962H8a4.038,4.038,0,0,0-.219.994H0v-7.95H12v1.925Z" transform="translate(171 -486)" fill="#c1c1c1"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-Off Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-Off_Dark">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-Off_Dark" data-name="On-Off Dark" clip-path="url(#clip-On-Off_Dark)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#313131"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera off</tspan></text>
+    <path id="Camera_off_icon" data-name="Camera off icon" d="M12,24.9l4-2.038v8.279l-1.953-1q-.141-.072-.258-.119t-.242-.1a1.825,1.825,0,0,1-.227-.119l-.25-.159a1.726,1.726,0,0,1-.2-.159,1.556,1.556,0,0,1-.156-.167q-.07-.088-.148-.175l-.18-.2L11,27.533v-3.59H7.477l-1-1.019H12Zm3,4.593V24.508l-3,1.536v1.91ZM.148,19.716.852,19l15,15.284-.7.716-3.859-3.924H0V22.924H3.289ZM1,30.057h9.289l-6-6.113H1Z" transform="translate(171 -5)" fill="#fff"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)" fill="#fff"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-Off Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-Off_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-Off_Light" data-name="On-Off Light" clip-path="url(#clip-On-Off_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera off</tspan></text>
+    <path id="Camera_off_icon" data-name="Camera off icon" d="M12,24.9l4-2.038v8.279l-1.953-1q-.141-.072-.258-.119t-.242-.1a1.825,1.825,0,0,1-.227-.119l-.25-.159a1.726,1.726,0,0,1-.2-.159,1.556,1.556,0,0,1-.156-.167q-.07-.088-.148-.175l-.18-.2L11,27.533v-3.59H7.477l-1-1.019H12Zm3,4.593V24.508l-3,1.536v1.91ZM.148,19.716.852,19l15,15.284-.7.716-3.859-3.924H0V22.924H3.289ZM1,30.057h9.289l-6-6.113H1Z" transform="translate(171 -5)"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-On Dark.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-On_Dark">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-On_Dark" data-name="On-On Dark" clip-path="url(#clip-On-On_Dark)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#1f1f1f">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#313131"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#313131"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera on</tspan></text>
+    <path id="Camera_on_icon" data-name="Camera on icon" d="M16,512.359,12,510.3V512.3H0v-8.231H12v1.993L16,504Zm-5-7.266H1v6.173H11Zm4,.571-3,1.551v1.929l3,1.551Z" transform="translate(171 -486)" fill="#fff"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" fill="#fff" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)" fill="#fff"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/Icons/On-On Light.svg

@@ -0,0 +1,19 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="322" height="44" viewBox="0 0 322 44">
+  <defs>
+    <clipPath id="clip-On-On_Light">
+      <rect width="322" height="44"/>
+    </clipPath>
+  </defs>
+  <g id="On-On_Light" data-name="On-On Light" clip-path="url(#clip-On-On_Light)">
+    <rect width="322" height="44" fill="#f1f1f1"/>
+    <g id="Background" fill="#f1f1f1">
+      <path d="M 321.5 43.5 L 0.5 43.5 L 0.5 0.5 L 321.5 0.5 L 321.5 43.5 Z" stroke="none"/>
+      <path d="M 1 1 L 1 43 L 321 43 L 321 1 L 1 1 M 0 0 L 322 0 L 322 44 L 0 44 L 0 0 Z" stroke="none" fill="#dbdbdb"/>
+    </g>
+    <rect id="Divider" width="1" height="24" transform="translate(161 10)" fill="#dbdbdb"/>
+    <text id="Camera_label" data-name="Camera label" transform="translate(200 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Camera on</tspan></text>
+    <path id="Camera_on_icon" data-name="Camera on icon" d="M16,512.359,12,510.3V512.3H0v-8.231H12v1.993L16,504Zm-5-7.266H1v6.173H11Zm4,.571-3,1.551v1.929l3,1.551Z" transform="translate(171 -486)"/>
+    <text id="Mic_label" data-name="Mic label" transform="translate(38 13)" font-size="12" font-family="SegoeUI, Segoe UI"><tspan x="0" y="13">Microphone on</tspan></text>
+    <path id="Mic_on_icon" data-name="Mic on icon" d="M259.518,12.092a1.476,1.476,0,0,1-.589-.118,1.5,1.5,0,0,1-.8-.8,1.486,1.486,0,0,1-.118-.59V1.511a1.486,1.486,0,0,1,.118-.59,1.5,1.5,0,0,1,.8-.8A1.476,1.476,0,0,1,259.518,0h4.02a1.476,1.476,0,0,1,.589.118,1.5,1.5,0,0,1,.8.8,1.487,1.487,0,0,1,.118.59V10.58a1.487,1.487,0,0,1-.118.59,1.5,1.5,0,0,1-.8.8,1.476,1.476,0,0,1-.589.118Zm-.5-1.511a.51.51,0,0,0,.5.5h4.02a.51.51,0,0,0,.5-.5V1.511a.485.485,0,0,0-.149-.354.482.482,0,0,0-.353-.15h-4.02a.482.482,0,0,0-.353.15.485.485,0,0,0-.149.354Zm8.04-2.519v2.85a3.106,3.106,0,0,1-.251,1.244,3.2,3.2,0,0,1-1.7,1.7,3.085,3.085,0,0,1-1.241.252H262.03v1.008h2.01v1.008h-5.025V15.115h2.01V14.107h-1.837a3.085,3.085,0,0,1-1.241-.252,3.2,3.2,0,0,1-1.7-1.7A3.107,3.107,0,0,1,256,10.911V8.061h1.005v2.85a2.128,2.128,0,0,0,.173.85,2.2,2.2,0,0,0,.463.693,2.281,2.281,0,0,0,.7.472,1.981,1.981,0,0,0,.848.173h4.68a2.113,2.113,0,0,0,.848-.173,2.195,2.195,0,0,0,.691-.464,2.288,2.288,0,0,0,.471-.7,2,2,0,0,0,.173-.85V8.061Z" transform="translate(-244.073 14)"/>
+  </g>
+</svg>

src/modules/videoconference/VideoConferenceModule/README.md

@@ -0,0 +1,14 @@
+# Video Conference Mute
+
+# Introduction
+The Video Conference Mute module allows muting microphone and/or web camera video stream during video calls or other activity.
+
+# Usage
+If you'd like to mute your web camera, please select "PowerToys VideoConference Mute" device in your web camera-using app, then restart it.
+
+During a video call, you can use default shortcuts to mute microphone, web camera or both. You'll see a toolbar indicating corresponding mute statuses. 
+
+# Options
+You can tweak the toolbar position on the screen as well as set web camera overlay image during muting.
+
+# Backlog

src/modules/videoconference/VideoConferenceModule/Toolbar.cpp

@@ -0,0 +1,335 @@
+#include "pch.h"
+#include "Toolbar.h"
+
+#include <windowsx.h>
+
+#include <common/Themes/windows_colors.h>
+
+#include "Logging.h"
+#include "VideoConferenceModule.h"
+
+Toolbar* toolbar = nullptr;
+
+const int REFRESH_RATE = 100;
+const int OVERLAY_SHOW_TIME = 500;
+const int BORDER_OFFSET = 12;
+
+Toolbar::Toolbar()
+{
+    toolbar = this;
+    darkImages.camOnMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-On Dark.png");
+    darkImages.camOffMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-Off Dark.png");
+    darkImages.camOnMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-On Dark.png");
+    darkImages.camOffMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-Off Dark.png");
+    darkImages.camUnusedMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-NotInUse Dark.png");
+    darkImages.camUnusedMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-NotInUse Dark.png");
+
+    lightImages.camOnMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-On Light.png");
+    lightImages.camOffMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-Off Light.png");
+    lightImages.camOnMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-On Light.png");
+    lightImages.camOffMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-Off Light.png");
+    lightImages.camUnusedMicOn = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/On-NotInUse Light.png");
+    lightImages.camUnusedMicOff = Gdiplus::Image::FromFile(L"modules/VideoConference/Icons/Off-NotInUse Light.png");
+}
+
+void Toolbar::scheduleModuleSettingsUpdate()
+{
+    moduleSettingsUpdateScheduled = true;
+}
+
+void Toolbar::scheduleGeneralSettingsUpdate()
+{
+    generalSettingsUpdateScheduled = true;
+}
+
+LRESULT Toolbar::WindowProcessMessages(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
+{
+    switch (msg)
+    {
+    case WM_DESTROY:
+        return 0;
+    case WM_LBUTTONDOWN:
+    {
+        int x = GET_X_LPARAM(lparam);
+        int y = GET_Y_LPARAM(lparam);
+
+        if (x < 322 / 2)
+        {
+            VideoConferenceModule::reverseMicrophoneMute();
+        }
+        else
+        {
+            VideoConferenceModule::reverseVirtualCameraMuteState();
+        }
+
+        return DefWindowProcW(hwnd, msg, wparam, lparam);
+    }
+    case WM_CREATE:
+    case WM_PAINT:
+    {
+        PAINTSTRUCT ps;
+        HDC hdc;
+
+        hdc = BeginPaint(hwnd, &ps);
+
+        Gdiplus::Graphics graphic(hdc);
+
+        ToolbarImages* themeImages = &toolbar->darkImages;
+
+        if (toolbar->theme == L"light" || (toolbar->theme == L"system" && !WindowsColors::is_dark_mode()))
+        {
+            themeImages = &toolbar->lightImages;
+        }
+        else
+        {
+            themeImages = &toolbar->darkImages;
+        }
+        Gdiplus::Image* toolbarImage = nullptr;
+        if (!toolbar->cameraInUse)
+        {
+            if (toolbar->microphoneMuted)
+            {
+                toolbarImage = themeImages->camUnusedMicOff;
+            }
+            else
+            {
+                toolbarImage = themeImages->camUnusedMicOn;
+            }
+        }
+        else if (toolbar->microphoneMuted)
+        {
+            if (toolbar->cameraMuted)
+            {
+                toolbarImage = themeImages->camOffMicOff;
+            }
+            else
+            {
+                toolbarImage = themeImages->camOnMicOff;
+            }
+        }
+        else
+        {
+            if (toolbar->cameraMuted)
+            {
+                toolbarImage = themeImages->camOffMicOn;
+            }
+            else
+            {
+                toolbarImage = themeImages->camOnMicOn;
+            }
+        }
+        graphic.DrawImage(toolbarImage, 0, 0, toolbarImage->GetWidth(), toolbarImage->GetHeight());
+
+        EndPaint(hwnd, &ps);
+        break;
+    }
+    case WM_TIMER:
+    {
+        if (toolbar->generalSettingsUpdateScheduled)
+        {
+            instance->onGeneralSettingsChanged();
+            toolbar->generalSettingsUpdateScheduled = false;
+        }
+        if (toolbar->moduleSettingsUpdateScheduled)
+        {
+            instance->onModuleSettingsChanged();
+            toolbar->moduleSettingsUpdateScheduled = false;
+        }
+
+        toolbar->cameraInUse = VideoConferenceModule::getVirtualCameraInUse();
+
+        InvalidateRect(hwnd, NULL, NULL);
+
+        using namespace std::chrono;
+        const auto nowMillis = duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
+        const bool showOverlayTimeout = nowMillis - toolbar->lastTimeCamOrMicMuteStateChanged > OVERLAY_SHOW_TIME;
+
+        static bool previousShow = false;
+        bool show = false;
+
+        if (toolbar->cameraInUse)
+        {
+            show = toolbar->HideToolbarWhenUnmuted ? toolbar->microphoneMuted || toolbar->cameraMuted : true;
+        }
+        else if (toolbar->previouscameraInUse)
+        {
+            VideoConferenceModule::unmuteAll();
+        }
+        else
+        {
+            show = toolbar->microphoneMuted;
+        }
+        show = show || !showOverlayTimeout;
+        if (show)
+        {
+            ShowWindow(hwnd, SW_SHOW);
+        }
+        else
+        {
+            ShowWindow(hwnd, SW_HIDE);
+        }
+        if (previousShow != show)
+        {
+            previousShow = show;
+            LOG(show ? "Toolbar visibility changed to shown" : "Toolbar visibility changed to hidden");
+        }
+
+        KillTimer(hwnd, toolbar->nTimerId);
+        toolbar->previouscameraInUse = toolbar->cameraInUse;
+        break;
+    }
+    default:
+        return DefWindowProcW(hwnd, msg, wparam, lparam);
+    }
+
+    toolbar->nTimerId = SetTimer(hwnd, 101, REFRESH_RATE, nullptr);
+
+    return DefWindowProcW(hwnd, msg, wparam, lparam);
+}
+
+void Toolbar::show(std::wstring position, std::wstring monitorString)
+{
+    for (auto& hwnd : hwnds)
+    {
+        PostMessageW(hwnd, WM_CLOSE, 0, 0);
+    }
+    hwnds.clear();
+
+    int overlayWidth = darkImages.camOffMicOff->GetWidth();
+    int overlayHeight = darkImages.camOffMicOff->GetHeight();
+
+    // Register the window class
+    LPCWSTR CLASS_NAME = L"MuteNotificationWindowClass";
+    WNDCLASS wc{};
+    wc.hInstance = GetModuleHandleW(nullptr);
+    wc.lpszClassName = CLASS_NAME;
+    wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
+    wc.lpfnWndProc = WindowProcessMessages;
+    RegisterClassW(&wc);
+
+    // Create the window
+    DWORD dwExtStyle = 0;
+    DWORD dwStyle = WS_POPUPWINDOW;
+
+    std::vector<MonitorInfo> monitorInfos;
+
+    if (monitorString == L"All monitors")
+    {
+        monitorInfos = MonitorInfo::GetMonitors(false);
+    }
+    else //"Main monitor" or non-present
+    {
+        monitorInfos.push_back(MonitorInfo::GetPrimaryMonitor());
+    }
+
+    for (auto& monitorInfo : monitorInfos)
+    {
+        int positionX = 0;
+        int positionY = 0;
+
+        if (position == L"Top left corner")
+        {
+            positionX = monitorInfo.left() + BORDER_OFFSET;
+            positionY = monitorInfo.top() + BORDER_OFFSET;
+        }
+        else if (position == L"Top center")
+        {
+            positionX = monitorInfo.middle().x - overlayWidth / 2;
+            positionY = monitorInfo.top() + BORDER_OFFSET;
+        }
+        else if (position == L"Bottom left corner")
+        {
+            positionX = monitorInfo.left() + BORDER_OFFSET;
+            positionY = monitorInfo.bottom() - overlayHeight - BORDER_OFFSET;
+        }
+        else if (position == L"Bottom center")
+        {
+            positionX = monitorInfo.middle().x - overlayWidth / 2;
+            positionY = monitorInfo.bottom() - overlayHeight - BORDER_OFFSET;
+        }
+        else if (position == L"Bottom right corner")
+        {
+            positionX = monitorInfo.right() - overlayWidth - BORDER_OFFSET;
+            positionY = monitorInfo.bottom() - overlayHeight - BORDER_OFFSET;
+        }
+        else //"Top right corner" or non-present
+        {
+            positionX = monitorInfo.right() - overlayWidth - BORDER_OFFSET;
+            positionY = monitorInfo.top() + BORDER_OFFSET;
+        }
+
+        HWND hwnd;
+        hwnd = CreateWindowExW(
+            WS_EX_TOOLWINDOW | WS_EX_LAYERED,
+            CLASS_NAME,
+            CLASS_NAME,
+            WS_POPUP,
+            positionX,
+            positionY,
+            overlayWidth,
+            overlayHeight,
+            nullptr,
+            nullptr,
+            GetModuleHandleW(nullptr),
+            nullptr);
+
+        auto transparrentColorKey = RGB(0, 0, 255);
+        HBRUSH brush = CreateSolidBrush(transparrentColorKey);
+        SetClassLongPtr(hwnd, GCLP_HBRBACKGROUND, (LONG_PTR)brush);
+
+        SetLayeredWindowAttributes(hwnd, transparrentColorKey, 0, LWA_COLORKEY);
+
+        SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
+
+        hwnds.push_back(hwnd);
+    }
+}
+
+void Toolbar::hide()
+{
+    for (auto& hwnd : hwnds)
+    {
+        PostMessage(hwnd, WM_CLOSE, 0, 0);
+    }
+    hwnds.clear();
+}
+
+bool Toolbar::getCameraMute()
+{
+    return cameraMuted;
+}
+
+void Toolbar::setCameraMute(bool mute)
+{
+    if (mute != cameraMuted)
+    {
+        lastTimeCamOrMicMuteStateChanged = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+    }
+    cameraMuted = mute;
+}
+
+bool Toolbar::getMicrophoneMute()
+{
+    return microphoneMuted;
+}
+
+void Toolbar::setMicrophoneMute(bool mute)
+{
+    if (mute != microphoneMuted)
+    {
+        lastTimeCamOrMicMuteStateChanged = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+    }
+
+    microphoneMuted = mute;
+}
+
+void Toolbar::setHideToolbarWhenUnmuted(bool hide)
+{
+    HideToolbarWhenUnmuted = hide;
+}
+
+void Toolbar::setTheme(std::wstring theme)
+{
+    Toolbar::theme = theme;
+}

src/modules/videoconference/VideoConferenceModule/Toolbar.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <Windows.h>
+#include <gdiplus.h>
+#include <atomic>
+
+#include <common/Display/monitors.h>
+
+struct ToolbarImages
+{
+    Gdiplus::Image* camOnMicOn = nullptr;
+    Gdiplus::Image* camOffMicOn = nullptr;
+    Gdiplus::Image* camOnMicOff = nullptr;
+    Gdiplus::Image* camOffMicOff = nullptr;
+    Gdiplus::Image* camUnusedMicOn = nullptr;
+    Gdiplus::Image* camUnusedMicOff = nullptr;
+};
+
+class Toolbar
+{
+public:
+    Toolbar();
+
+    void scheduleModuleSettingsUpdate();
+    void scheduleGeneralSettingsUpdate();
+
+    void show(std::wstring position, std::wstring monitorString);
+    void hide();
+
+    bool getCameraMute();
+    void setCameraMute(bool mute);
+    bool getMicrophoneMute();
+    void setMicrophoneMute(bool mute);
+
+    void setTheme(std::wstring theme);
+    void setHideToolbarWhenUnmuted(bool hide);
+
+private:
+    static LRESULT CALLBACK WindowProcessMessages(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
+
+    // Window callback can't be non-static so this members can't as well
+    std::vector<HWND> hwnds;
+
+    ToolbarImages darkImages;
+    ToolbarImages lightImages;
+
+    bool cameraMuted = false;
+    bool cameraInUse = false;
+    bool previouscameraInUse = false;
+    bool microphoneMuted = false;
+
+    std::wstring theme = L"system";
+
+    bool HideToolbarWhenUnmuted = true;
+
+    uint64_t lastTimeCamOrMicMuteStateChanged;
+
+    std::atomic_bool moduleSettingsUpdateScheduled = false;
+    std::atomic_bool generalSettingsUpdateScheduled = false;
+    UINT_PTR nTimerId;
+};

src/modules/videoconference/VideoConferenceModule/Video Conference.filters

@@ -0,0 +1,55 @@
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+      <Filter>Source Files</Filter>
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+      <Filter>Source Files</Filter>
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+    <ClCompile Include="overlay_window.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="trace.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="keyboard_state.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="shortcut_guide.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="target_state.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="overlay_window.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="trace.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="resource.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="Header Files">
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+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="shortcut_guide.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+</Project>

src/modules/videoconference/VideoConferenceModule/Video Conference.vcxproj

@@ -0,0 +1,183 @@
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+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
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+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{5ABA70DE-3A3F-41F6-A1F5-D1F74F54F9BB}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>overlaywindow</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
+    <ProjectName>VideoConferenceModule</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
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+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <SpectreMitigation>Spectre</SpectreMitigation>
+  </PropertyGroup>
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+    <ConfigurationType>DynamicLibrary</ConfigurationType>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <SpectreMitigation>Spectre</SpectreMitigation>
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+  <Import Project="..\..\..\..\deps\spdlog.props" />
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\modules\VideoConference\</OutDir>
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+  </PropertyGroup>
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+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
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+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;OVERLAYWINDOW_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <AdditionalIncludeDirectories>..\..\..\;..\..\;..\VideoConferenceShared\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
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+    </Link>
+    <PostBuildEvent>
+      <Command>xcopy /y /I  "$(ProjectDir)Icons\*" "$(OutDir)Icons"
+xcopy /y /I  "$(ProjectDir)black.bmp*" "$(OutDir)"</Command>
+    </PostBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;OVERLAYWINDOW_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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+    </ClCompile>
+    <Link>
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+    <PostBuildEvent>
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+  <ItemGroup>
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+    <ClCompile Include="Toolbar.cpp" />
+    <ClCompile Include="pch.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
+    </ClCompile>
+    <ClCompile Include="VideoConferenceModule.cpp" />
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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+      <Project>{6955446d-23f7-4023-9bb3-8657f904af99}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\common\Themes\Themes.vcxproj">
+      <Project>{98537082-0fdb-40de-abd8-0dc5a4269bab}</Project>
+    </ProjectReference>
+  </ItemGroup>
+</Project>

src/modules/videoconference/VideoConferenceModule/Video Conference.vcxproj.filters

@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp" />
+    <ClCompile Include="Toolbar.cpp" />
+    <ClCompile Include="pch.cpp" />
+    <ClCompile Include="VideoConferenceModule.cpp" />
+    <ClCompile Include="trace.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="framework.h" />
+    <ClInclude Include="Toolbar.h" />
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="VideoConferenceModule.h" />
+    <ClInclude Include="trace.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="black.bmp" />
+    <Image Include="Icons\Off-NotInUse Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\Off-NotInUse Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\Off-Off Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\Off-Off Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\Off-On Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\Off-On Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-NotInUse Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-NotInUse Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-Off Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-Off Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-On Dark.png">
+      <Filter>Icons</Filter>
+    </Image>
+    <Image Include="Icons\On-On Light.png">
+      <Filter>Icons</Filter>
+    </Image>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+    <None Include="Icons\Off-NotInUse Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\Off-NotInUse Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\Off-Off Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\Off-Off Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\Off-On Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\Off-On Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-NotInUse Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-NotInUse Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-Off Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-Off Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-On Dark.svg">
+      <Filter>Icons</Filter>
+    </None>
+    <None Include="Icons\On-On Light.svg">
+      <Filter>Icons</Filter>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="Icons">
+      <UniqueIdentifier>{735361e2-82fa-4034-b9c9-cd6aa099eaa5}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>

src/modules/videoconference/VideoConferenceModule/VideoConferenceModule.cpp

@@ -0,0 +1,568 @@
+#include "pch.h"
+
+#include "VideoConferenceModule.h"
+
+#include <WinUser.h>
+
+#include <gdiplus.h>
+#include <shellapi.h>
+
+#include <filesystem>
+
+#include <common/debug_control.h>
+#include <common/SettingsAPI/settings_helpers.h>
+#include <common/utils/elevation.h>
+#include <common/utils/process_path.h>
+
+#include <CameraStateUpdateChannels.h>
+
+#include "logging.h"
+#include "trace.h"
+
+extern "C" IMAGE_DOS_HEADER __ImageBase;
+
+VideoConferenceModule* instance = nullptr;
+
+VideoConferenceSettings VideoConferenceModule::settings;
+Toolbar VideoConferenceModule::toolbar;
+
+HHOOK VideoConferenceModule::hook_handle;
+
+IAudioEndpointVolume* endpointVolume = NULL;
+
+bool VideoConferenceModule::isKeyPressed(unsigned int keyCode)
+{
+    return (GetKeyState(keyCode) & 0x8000);
+}
+
+namespace fs = std::filesystem;
+
+bool VideoConferenceModule::isHotkeyPressed(DWORD code, PowerToysSettings::HotkeyObject& hotkey)
+{
+    return code == hotkey.get_code() &&
+           isKeyPressed(VK_SHIFT) == hotkey.shift_pressed() &&
+           isKeyPressed(VK_CONTROL) == hotkey.ctrl_pressed() &&
+           isKeyPressed(VK_LWIN) == hotkey.win_pressed() &&
+           (isKeyPressed(VK_LMENU)) == hotkey.alt_pressed();
+}
+
+void VideoConferenceModule::reverseMicrophoneMute()
+{
+    bool muted = false;
+    for (auto& controlledMic : instance->_controlledMicrophones)
+    {
+        const bool was_muted = controlledMic.muted();
+        controlledMic.toggle_muted();
+        muted = muted || !was_muted;
+    }
+    if (muted)
+    {
+        Trace::MicrophoneMuted();
+    }
+    toolbar.setMicrophoneMute(muted);
+}
+
+bool VideoConferenceModule::getMicrophoneMuteState()
+{
+    return instance->_microphoneTrackedInUI ? instance->_microphoneTrackedInUI->muted() : false;
+}
+
+void VideoConferenceModule::reverseVirtualCameraMuteState()
+{
+    bool muted = false;
+    if (!instance->_settingsUpdateChannel.has_value())
+    {
+        return;
+    }
+
+    instance->_settingsUpdateChannel->access([&muted](auto settingsMemory) {
+        auto settings = reinterpret_cast<CameraSettingsUpdateChannel*>(settingsMemory._data);
+        settings->useOverlayImage = !settings->useOverlayImage;
+        muted = settings->useOverlayImage;
+    });
+
+    if (muted)
+    {
+        Trace::CameraMuted();
+    }
+    toolbar.setCameraMute(muted);
+}
+
+bool VideoConferenceModule::getVirtualCameraMuteState()
+{
+    bool disabled = false;
+    if (!instance->_settingsUpdateChannel.has_value())
+    {
+        return disabled;
+    }
+    instance->_settingsUpdateChannel->access([&disabled](auto settingsMemory) {
+        auto settings = reinterpret_cast<CameraSettingsUpdateChannel*>(settingsMemory._data);
+        disabled = settings->useOverlayImage;
+    });
+    return disabled;
+}
+
+bool VideoConferenceModule::getVirtualCameraInUse()
+{
+    if (!instance->_settingsUpdateChannel.has_value())
+    {
+        return false;
+    }
+    bool inUse = false;
+    instance->_settingsUpdateChannel->access([&inUse](auto settingsMemory) {
+        auto settings = reinterpret_cast<CameraSettingsUpdateChannel*>(settingsMemory._data);
+        inUse = settings->cameraInUse;
+    });
+    return inUse;
+}
+
+LRESULT CALLBACK VideoConferenceModule::LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
+{
+    if (nCode == HC_ACTION)
+    {
+        switch (wParam)
+        {
+        case WM_KEYDOWN:
+            KBDLLHOOKSTRUCT* kbd = reinterpret_cast<KBDLLHOOKSTRUCT*>(lParam);
+
+            if (isHotkeyPressed(kbd->vkCode, settings.cameraAndMicrophoneMuteHotkey))
+            {
+                const bool cameraInUse = getVirtualCameraInUse();
+                const bool microphoneIsMuted = getMicrophoneMuteState();
+                const bool cameraIsMuted = cameraInUse && getVirtualCameraMuteState();
+                if (cameraInUse)
+                {
+                    // we're likely on a video call, so we must mute the unmuted cam/mic or reverse the mute state
+                    // of everything, if cam and mic mute states are the same
+                    if (microphoneIsMuted == cameraIsMuted)
+                    {
+                        reverseMicrophoneMute();
+                        reverseVirtualCameraMuteState();
+                    }
+                    else if (cameraIsMuted)
+                    {
+                        reverseMicrophoneMute();
+                    }
+                    else if (microphoneIsMuted)
+                    {
+                        reverseVirtualCameraMuteState();
+                    }
+                }
+                else
+                {
+                    // if the camera is not in use, we just mute/unmute the mic
+                    reverseMicrophoneMute();
+                }
+                return 1;
+            }
+            else if (isHotkeyPressed(kbd->vkCode, settings.microphoneMuteHotkey))
+            {
+                reverseMicrophoneMute();
+                return 1;
+            }
+            else if (isHotkeyPressed(kbd->vkCode, settings.cameraMuteHotkey))
+            {
+                reverseVirtualCameraMuteState();
+                return 1;
+            }
+        }
+    }
+
+    return CallNextHookEx(hook_handle, nCode, wParam, lParam);
+}
+
+void VideoConferenceModule::onGeneralSettingsChanged()
+{
+    auto settings = PTSettingsHelper::load_general_settings();
+    bool enabled = false;
+    try
+    {
+        if (json::has(settings, L"enabled"))
+        {
+            for (const auto& mod : settings.GetNamedObject(L"enabled"))
+            {
+                const auto value = mod.Value();
+                if (value.ValueType() != json::JsonValueType::Boolean)
+                {
+                    continue;
+                }
+                if (mod.Key() == get_key())
+                {
+                    enabled = value.GetBoolean();
+                    break;
+                }
+            }
+        }
+    }
+    catch (...)
+    {
+        LOG("Couldn't get enabled state");
+    }
+    if (enabled)
+    {
+        enable();
+    }
+    else
+    {
+        disable();
+    }
+}
+
+void VideoConferenceModule::onModuleSettingsChanged()
+{
+    try
+    {
+        PowerToysSettings::PowerToyValues values = PowerToysSettings::PowerToyValues::load_from_settings_file(get_key());
+        //Trace::SettingsChanged(pressTime.value, overlayOpacity.value, theme.value);
+
+        if (_enabled)
+        {
+            if (const auto val = values.get_json(L"mute_camera_and_microphone_hotkey"))
+            {
+                settings.cameraAndMicrophoneMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+            }
+            if (const auto val = values.get_json(L"mute_microphone_hotkey"))
+            {
+                settings.microphoneMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+            }
+            if (const auto val = values.get_json(L"mute_camera_hotkey"))
+            {
+                settings.cameraMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+            }
+            if (const auto val = values.get_string_value(L"toolbar_position"))
+            {
+                settings.toolbarPositionString = val.value();
+            }
+            if (const auto val = values.get_string_value(L"toolbar_monitor"))
+            {
+                settings.toolbarMonitorString = val.value();
+            }
+            if (const auto val = values.get_string_value(L"selected_camera"); val && val != settings.selectedCamera)
+            {
+                settings.selectedCamera = val.value();
+                sendSourceCameraNameUpdate();
+            }
+            if (const auto val = values.get_string_value(L"camera_overlay_image_path"); val && val != settings.imageOverlayPath)
+            {
+                settings.imageOverlayPath = val.value();
+                sendOverlayImageUpdate();
+            }
+            if (const auto val = values.get_bool_value(L"hide_toolbar_when_unmuted"))
+            {
+                toolbar.setHideToolbarWhenUnmuted(val.value());
+            }
+            
+            const auto selectedMic = values.get_string_value(L"selected_mic");
+            if (selectedMic && selectedMic != settings.selectedMicrophone)
+            {
+                settings.selectedMicrophone = *selectedMic;
+                updateControlledMicrophones(settings.selectedMicrophone);
+            }
+
+            toolbar.show(settings.toolbarPositionString, settings.toolbarMonitorString);
+        }
+    }
+    catch (...)
+    {
+        LOG("onModuleSettingsChanged encountered an exception");
+    }
+}
+
+VideoConferenceModule::VideoConferenceModule() :
+    _generalSettingsWatcher{ PTSettingsHelper::get_powertoys_general_save_file_location(), [this] {
+                                toolbar.scheduleGeneralSettingsUpdate();
+                            } },
+    _moduleSettingsWatcher{ PTSettingsHelper::get_module_save_file_location(get_key()), [this] { toolbar.scheduleModuleSettingsUpdate(); } }
+{
+    init_settings();
+    _settingsUpdateChannel =
+        SerializedSharedMemory::create(CameraSettingsUpdateChannel::endpoint(), sizeof(CameraSettingsUpdateChannel), false);
+    if (_settingsUpdateChannel)
+    {
+        _settingsUpdateChannel->access([](auto memory) {
+            auto updatesChannel = new (memory._data) CameraSettingsUpdateChannel{};
+        });
+    }
+    sendSourceCameraNameUpdate();
+    sendOverlayImageUpdate();
+}
+
+inline VideoConferenceModule::~VideoConferenceModule()
+{
+    instance->unmuteAll();
+    toolbar.hide();
+}
+
+const wchar_t* VideoConferenceModule::get_name()
+{
+    return L"Video Conference";
+}
+
+const wchar_t* VideoConferenceModule::get_key()
+{
+    return L"Video Conference";
+}
+
+bool VideoConferenceModule::get_config(wchar_t* buffer, int* buffer_size)
+{
+    return true;
+}
+
+void VideoConferenceModule::set_config(const wchar_t* config)
+{
+    try
+    {
+        PowerToysSettings::PowerToyValues values = PowerToysSettings::PowerToyValues::from_json_string(config, get_key());
+        values.save_to_settings_file();
+    }
+    catch (...)
+    {
+        LOG("VideoConferenceModule::set_config: exception during saving new settings values");
+    }
+}
+
+void VideoConferenceModule::init_settings()
+{
+    try
+    {
+        PowerToysSettings::PowerToyValues powerToysSettings = PowerToysSettings::PowerToyValues::load_from_settings_file(L"Video Conference");
+
+        if (const auto val = powerToysSettings.get_json(L"mute_camera_and_microphone_hotkey"))
+        {
+            settings.cameraAndMicrophoneMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+        }
+        if (const auto val = powerToysSettings.get_json(L"mute_microphone_hotkey"))
+        {
+            settings.microphoneMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+        }
+        if (const auto val = powerToysSettings.get_json(L"mute_camera_hotkey"))
+        {
+            settings.cameraMuteHotkey = PowerToysSettings::HotkeyObject::from_json(*val);
+        }
+        if (const auto val = powerToysSettings.get_string_value(L"toolbar_position"))
+        {
+            settings.toolbarPositionString = val.value();
+        }
+        if (const auto val = powerToysSettings.get_string_value(L"toolbar_monitor"))
+        {
+            settings.toolbarMonitorString = val.value();
+        }
+        if (const auto val = powerToysSettings.get_string_value(L"selected_camera"))
+        {
+            settings.selectedCamera = val.value();
+        }
+        if (const auto val = powerToysSettings.get_string_value(L"camera_overlay_image_path"))
+        {
+            settings.imageOverlayPath = val.value();
+        }
+        if (const auto val = powerToysSettings.get_bool_value(L"hide_toolbar_when_unmuted"))
+        {
+            toolbar.setHideToolbarWhenUnmuted(val.value());
+        }
+        if (const auto val = powerToysSettings.get_string_value(L"selected_mic"); val && *val != settings.selectedMicrophone)
+        {
+            settings.selectedMicrophone = *val;
+            updateControlledMicrophones(settings.selectedMicrophone);
+        }
+    }
+    catch (std::exception&)
+    {
+        // Error while loading from the settings file. Just let default values stay as they are.
+    }
+
+    try
+    {
+        auto loaded = PTSettingsHelper::load_general_settings();
+        std::wstring settings_theme{ static_cast<std::wstring_view>(loaded.GetNamedString(L"theme", L"system")) };
+        if (settings_theme != L"dark" && settings_theme != L"light")
+        {
+            settings_theme = L"system";
+        }
+        toolbar.setTheme(settings_theme);
+    }
+    catch (...)
+    {
+    }
+}
+
+void VideoConferenceModule::updateControlledMicrophones(const std::wstring_view new_mic)
+{
+    for (auto& controlledMic : _controlledMicrophones)
+    {
+        controlledMic.set_muted(false);
+    }
+    _controlledMicrophones.clear();
+    _microphoneTrackedInUI = nullptr;
+    auto allMics = MicrophoneDevice::getAllActive();
+    if (new_mic == L"[All]")
+    {
+        _controlledMicrophones = std::move(allMics);
+        if (auto defaultMic = MicrophoneDevice::getDefault())
+        {
+            for (auto& controlledMic : _controlledMicrophones)
+            {
+                if (controlledMic.id() == defaultMic->id())
+                {
+                    _microphoneTrackedInUI = &controlledMic;
+                    break;
+                }
+            }
+        }
+    }
+    else
+    {
+        for (auto& controlledMic : allMics)
+        {
+            if (controlledMic.name() == new_mic)
+            {
+                _controlledMicrophones.emplace_back(std::move(controlledMic));
+                _microphoneTrackedInUI = &_controlledMicrophones[0];
+                break;
+            }
+        }
+    }
+    if (_microphoneTrackedInUI)
+    {
+        _microphoneTrackedInUI->set_mute_changed_callback([&](const bool muted) {
+            toolbar.setMicrophoneMute(muted);
+        });
+        toolbar.setMicrophoneMute(_microphoneTrackedInUI->muted());
+    }
+}
+
+void toggleProxyCamRegistration(const bool enable)
+{
+    if (!is_process_elevated())
+    {
+        return;
+    }
+
+    auto vcmRoot = fs::path{ get_module_folderpath() } / "modules";
+    vcmRoot /= "VideoConference";
+
+    std::array<fs::path, 2> proxyFilters = { vcmRoot / "VideoConferenceProxyFilter_x64.dll", vcmRoot / "VideoConferenceProxyFilter_x86.dll" };
+    for (const auto filter : proxyFilters)
+    {
+        std::wstring params{ L"/s " };
+        if (!enable)
+        {
+            params += L"/u ";
+        }
+        params += '"';
+        params += filter;
+        params += '"';
+        SHELLEXECUTEINFOW sei{ sizeof(sei) };
+        sei.fMask = { SEE_MASK_FLAG_NO_UI | SEE_MASK_NOASYNC };
+        sei.lpFile = L"regsvr32";
+        sei.lpParameters = params.c_str();
+        sei.nShow = SW_SHOWNORMAL;
+        ShellExecuteExW(&sei);
+    }
+}
+
+void VideoConferenceModule::enable()
+{
+    if (!_enabled)
+    {
+        toggleProxyCamRegistration(true);
+        toolbar.setMicrophoneMute(getMicrophoneMuteState());
+        toolbar.setCameraMute(getVirtualCameraMuteState());
+
+        toolbar.show(settings.toolbarPositionString, settings.toolbarMonitorString);
+
+        _enabled = true;
+
+#if defined(DISABLE_LOWLEVEL_HOOKS_WHEN_DEBUGGED)
+        if (IsDebuggerPresent())
+        {
+            return;
+        }
+#endif
+        hook_handle = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(NULL), NULL);
+    }
+}
+
+void VideoConferenceModule::unmuteAll()
+{
+    if (getVirtualCameraMuteState())
+    {
+        reverseVirtualCameraMuteState();
+    }
+
+    if (getMicrophoneMuteState())
+    {
+        reverseMicrophoneMute();
+    }
+}
+
+void VideoConferenceModule::disable()
+{
+    if (_enabled)
+    {
+        toggleProxyCamRegistration(false);
+        if (hook_handle)
+        {
+            bool success = UnhookWindowsHookEx(hook_handle);
+            if (success)
+            {
+                hook_handle = nullptr;
+            }
+        }
+
+        instance->unmuteAll();
+        toolbar.hide();
+
+        _enabled = false;
+    }
+}
+
+bool VideoConferenceModule::is_enabled()
+{
+    return _enabled;
+}
+
+void VideoConferenceModule::destroy()
+{
+    delete this;
+    instance = nullptr;
+}
+
+void VideoConferenceModule::sendSourceCameraNameUpdate()
+{
+    if (!_settingsUpdateChannel.has_value() || settings.selectedCamera.empty())
+    {
+        return;
+    }
+    _settingsUpdateChannel->access([](auto memory) {
+        auto updatesChannel = reinterpret_cast<CameraSettingsUpdateChannel*>(memory._data);
+        updatesChannel->sourceCameraName.emplace();
+        std::copy(begin(settings.selectedCamera), end(settings.selectedCamera), begin(*updatesChannel->sourceCameraName));
+    });
+}
+
+void VideoConferenceModule::sendOverlayImageUpdate()
+{
+    if (!_settingsUpdateChannel.has_value())
+    {
+        return;
+    }
+    _imageOverlayChannel.reset();
+
+    wchar_t powertoysDirectory[MAX_PATH + 1];
+
+    DWORD length = GetModuleFileNameW(nullptr, powertoysDirectory, MAX_PATH);
+    PathRemoveFileSpecW(powertoysDirectory);
+
+    std::wstring blankImagePath(powertoysDirectory);
+    blankImagePath += L"\\modules\\VideoConference\\black.bmp";
+
+    _imageOverlayChannel = SerializedSharedMemory::create_readonly(CameraOverlayImageChannel::endpoint(),
+                                                                   settings.imageOverlayPath != L"" ? settings.imageOverlayPath : blankImagePath);
+
+    const auto imageSize = static_cast<uint32_t>(_imageOverlayChannel->size());
+    _settingsUpdateChannel->access([imageSize](auto memory) {
+        auto updatesChannel = reinterpret_cast<CameraSettingsUpdateChannel*>(memory._data);
+        updatesChannel->overlayImageSize.emplace(imageSize);
+        updatesChannel->newOverlayImagePosted = true;
+    });
+}

src/modules/videoconference/VideoConferenceModule/VideoConferenceModule.h

@@ -0,0 +1,86 @@
+#pragma once
+
+#include <common/SettingsAPI/FileWatcher.h>
+
+#include <mmdeviceapi.h>
+#include <endpointvolume.h>
+
+#include <interface/powertoy_module_interface.h>
+
+#include <common/SettingsAPI/settings_objects.h>
+#include <MicrophoneDevice.h>
+
+#include "Toolbar.h"
+
+#include <SerializedSharedMemory.h>
+
+extern class VideoConferenceModule* instance;
+
+struct VideoConferenceSettings
+{
+    PowerToysSettings::HotkeyObject cameraAndMicrophoneMuteHotkey = PowerToysSettings::HotkeyObject::from_settings(true, false, false, false, 78);
+    PowerToysSettings::HotkeyObject microphoneMuteHotkey = PowerToysSettings::HotkeyObject::from_settings(true, false, false, true, 65);
+    PowerToysSettings::HotkeyObject cameraMuteHotkey = PowerToysSettings::HotkeyObject::from_settings(true, false, false, true, 79);
+
+    std::wstring toolbarPositionString;
+    std::wstring toolbarMonitorString;
+
+    std::wstring selectedCamera;
+    std::wstring imageOverlayPath;
+    std::wstring selectedMicrophone;
+};
+
+class VideoConferenceModule : public PowertoyModuleIface
+{
+public:
+    VideoConferenceModule();
+    ~VideoConferenceModule();
+    virtual const wchar_t* get_name() override;
+
+    virtual bool get_config(wchar_t* buffer, int* buffer_size) override;
+
+    virtual void set_config(const wchar_t* config) override;
+
+    virtual void enable() override;
+    virtual void disable() override;
+    virtual bool is_enabled() override;
+    virtual void destroy() override;
+
+    virtual const wchar_t * get_key() override;
+
+    void sendSourceCameraNameUpdate();
+    void sendOverlayImageUpdate();
+
+    static void unmuteAll();
+    static void reverseMicrophoneMute();
+    static bool getMicrophoneMuteState();
+    static void reverseVirtualCameraMuteState();
+    static bool getVirtualCameraMuteState();
+    static bool getVirtualCameraInUse();
+
+    void onGeneralSettingsChanged();
+    void onModuleSettingsChanged();
+private:
+
+    void init_settings();
+    void updateControlledMicrophones(const std::wstring_view new_mic);
+    //  all callback methods and used by callback have to be static
+    static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam);
+    static bool isKeyPressed(unsigned int keyCode);
+    static bool isHotkeyPressed(DWORD code, PowerToysSettings::HotkeyObject& hotkey);
+
+    static HHOOK hook_handle;
+    bool _enabled = false;
+
+    std::vector<MicrophoneDevice> _controlledMicrophones;
+    MicrophoneDevice* _microphoneTrackedInUI = nullptr;
+
+    std::optional<SerializedSharedMemory> _imageOverlayChannel;
+    std::optional<SerializedSharedMemory> _settingsUpdateChannel;
+
+    FileWatcher _generalSettingsWatcher;
+    FileWatcher _moduleSettingsWatcher;
+
+    static VideoConferenceSettings settings;
+    static Toolbar toolbar;
+};

src/modules/videoconference/VideoConferenceModule/dllmain.cpp

@@ -0,0 +1,35 @@
+// dllmain.cpp : Defines the entry point for the DLL application.
+#include "pch.h"
+#include <interface/powertoy_module_interface.h>
+#include "trace.h"
+#include "VideoConferenceModule.h"
+
+BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+{
+    switch (ul_reason_for_call)
+    {
+    case DLL_PROCESS_ATTACH:
+        Trace::RegisterProvider();
+        break;
+    case DLL_THREAD_ATTACH:
+    case DLL_THREAD_DETACH:
+        break;
+    case DLL_PROCESS_DETACH:
+        Trace::UnregisterProvider();
+        break;
+    }
+    return TRUE;
+}
+
+extern "C" __declspec(dllexport) PowertoyModuleIface* __cdecl powertoy_create()
+{
+    if (!instance)
+    {
+        instance = new VideoConferenceModule();
+        return instance;
+    }
+    else
+    {
+        return nullptr;
+    }
+}

src/modules/videoconference/VideoConferenceModule/framework.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
+// Windows Header Files
+#include <windows.h>

src/modules/videoconference/VideoConferenceModule/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.CppWinRT" version="2.0.200729.8" targetFramework="native" />
+  <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.200519.2" targetFramework="native" />
+</packages>

src/modules/videoconference/VideoConferenceModule/pch.cpp

@@ -0,0 +1,5 @@
+// pch.cpp: source file corresponding to the pre-compiled header
+
+#include "pch.h"
+
+// When you are using pre-compiled headers, this source file is necessary for compilation to succeed.

src/modules/videoconference/VideoConferenceModule/pch.h

@@ -0,0 +1,24 @@
+#pragma once
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#include <Unknwn.h>
+
+#include <winrt/base.h>
+#include <winrt/Windows.Foundation.h>
+#include <winrt/Windows.Foundation.Collections.h>
+
+#include <wil/resource.h>
+#include <wil/com.h>
+
+#include <string_view>
+#include <optional>
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <functional>
+#include <algorithm>
+
+#include <Shobjidl.h>
+#include <Shlwapi.h>
+
+#include <common/Telemetry/ProjectTelemetry.h>

src/modules/videoconference/VideoConferenceModule/trace.cpp

@@ -0,0 +1,57 @@
+#include "pch.h"
+
+#include "trace.h"
+
+TRACELOGGING_DEFINE_PROVIDER(
+    g_hProvider,
+    "Microsoft.PowerToys",
+    // {38e8889b-9731-53f5-e901-e8a7c1753074}
+    (0x38e8889b, 0x9731, 0x53f5, 0xe9, 0x01, 0xe8, 0xa7, 0xc1, 0x75, 0x30, 0x74),
+    TraceLoggingOptionProjectTelemetry());
+
+void Trace::RegisterProvider() noexcept
+{
+    TraceLoggingRegister(g_hProvider);
+}
+
+void Trace::UnregisterProvider() noexcept
+{
+    TraceLoggingUnregister(g_hProvider);
+}
+
+void Trace::SettingsChanged(const struct VideoConferenceSettings& settings) noexcept
+{
+    bool CustomOverlayImage = (settings.imageOverlayPath.length() > 0);
+
+    TraceLoggingWrite(
+        g_hProvider,
+        "VideoConference_SettingsChanged",
+        TraceLoggingWideString(settings.toolbarPositionString.c_str(), "ToolbarPosition"),
+        TraceLoggingWideString(settings.toolbarMonitorString.c_str(), "ToolbarMonitorSelection"),
+        TraceLoggingBool(CustomOverlayImage, "CustomImageOverlayUsed"),
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingBoolean(TRUE, "UTCReplace_AppSessionGuid"),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE));
+}
+
+void Trace::MicrophoneMuted() noexcept
+{
+    TraceLoggingWrite(
+        g_hProvider,
+        "VideoConference_MicrophoneMuted",
+        TraceLoggingBoolean(true, "MicrophoneMuted"),
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingBoolean(TRUE, "UTCReplace_AppSessionGuid"),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE));
+}
+
+void Trace::CameraMuted() noexcept
+{
+    TraceLoggingWrite(
+        g_hProvider,
+        "VideoConference_CameraMuted",
+        TraceLoggingBoolean(true, "CameraMuted"),
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingBoolean(TRUE, "UTCReplace_AppSessionGuid"),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE));
+}

src/modules/videoconference/VideoConferenceModule/trace.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "VideoConferenceModule.h"
+
+class Trace
+{
+public:
+    static void RegisterProvider() noexcept;
+    static void UnregisterProvider() noexcept;
+    static void SettingsChanged(const struct VideoConferenceSettings &settings) noexcept;
+    static void MicrophoneMuted() noexcept;
+    static void CameraMuted() noexcept;
+};

src/modules/videoconference/VideoConferenceProxyFilter/DirectShowUtils.cpp

@@ -0,0 +1,118 @@
+#include "DirectShowUtils.h"
+
+#include <algorithm>
+
+unique_media_type_ptr CopyMediaType(const AM_MEDIA_TYPE* source)
+{
+    unique_media_type_ptr target{ static_cast<AM_MEDIA_TYPE*>(CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))) };
+    *target = *source;
+    if (source->cbFormat)
+    {
+        target->pbFormat = static_cast<BYTE*>(CoTaskMemAlloc(source->cbFormat));
+        std::copy(source->pbFormat, source->pbFormat + source->cbFormat, target->pbFormat);
+    }
+
+    if (target->pUnk)
+    {
+        target->pUnk->AddRef();
+    }
+
+    return target;
+}
+
+wil::com_ptr_nothrow<IMemAllocator> GetPinAllocator(wil::com_ptr_nothrow<IPin>& inputPin)
+{
+    if (!inputPin)
+    {
+        return nullptr;
+    }
+    wil::com_ptr_nothrow<IMemAllocator> allocator;
+    if (auto memInput = inputPin.try_query<IMemInputPin>(); memInput)
+    {
+        memInput->GetAllocator(&allocator);
+        return allocator;
+    }
+
+    return nullptr;
+}
+
+unique_media_type_ptr CopyMediaType(const unique_media_type_ptr& source)
+{
+    return CopyMediaType(source.get());
+}
+
+void MyFreeMediaType(AM_MEDIA_TYPE& mt)
+{
+    if (mt.cbFormat != 0)
+    {
+        CoTaskMemFree(mt.pbFormat);
+        mt.cbFormat = 0;
+        mt.pbFormat = nullptr;
+    }
+
+    if (mt.pUnk != nullptr)
+    {
+        mt.pUnk->Release();
+        mt.pUnk = nullptr;
+    }
+}
+
+void MyDeleteMediaType(AM_MEDIA_TYPE* pmt)
+{
+    if (!pmt)
+    {
+        return;
+    }
+
+    MyFreeMediaType(*pmt);
+    CoTaskMemFree(const_cast<AM_MEDIA_TYPE*>(pmt));
+}
+
+HRESULT MediaTypeEnumerator::Next(ULONG cObjects, AM_MEDIA_TYPE** outObjects, ULONG* pcFetched)
+{
+    if (!outObjects)
+    {
+        return E_POINTER;
+    }
+
+    ULONG fetched = 0;
+    ULONG toFetch = cObjects;
+    while (toFetch-- && _pos < _objects.size())
+    {
+        auto copy = CopyMediaType(_objects[_pos++]);
+        outObjects[fetched++] = copy.release();
+    }
+
+    if (pcFetched)
+    {
+        *pcFetched = fetched;
+    }
+
+    return fetched == cObjects ? S_OK : S_FALSE;
+}
+
+HRESULT MediaTypeEnumerator::Skip(ULONG cObjects)
+{
+    _pos += cObjects;
+    return _pos < _objects.size() ? S_OK : S_FALSE;
+}
+
+HRESULT MediaTypeEnumerator::Reset()
+{
+    _pos = 0;
+    return S_OK;
+}
+
+HRESULT MediaTypeEnumerator::Clone(IEnumMediaTypes** ppEnum)
+{
+    auto cloned = winrt::make_self<MediaTypeEnumerator>();
+    cloned->_objects.resize(_objects.size());
+    for (size_t i = 0; i < _objects.size(); ++i)
+    {
+        cloned->_objects[i] = CopyMediaType(_objects[i]);
+    }
+
+    cloned->_pos = _pos;
+    cloned.as<IEnumMediaTypes>().copy_to(ppEnum);
+    return S_OK;
+}

src/modules/videoconference/VideoConferenceProxyFilter/DirectShowUtils.h

@@ -0,0 +1,88 @@
+#pragma once
+#include <initguid.h>
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <dshow.h>
+
+#include <wil/com.h>
+#include <winrt/Windows.Foundation.h>
+
+#include <vector>
+
+#include "Logging.h"
+
+void MyDeleteMediaType(AM_MEDIA_TYPE* pmt);
+
+using unique_media_type_ptr =
+    wistd::unique_ptr<AM_MEDIA_TYPE, wil::function_deleter<decltype(&MyDeleteMediaType), MyDeleteMediaType>>;
+
+unique_media_type_ptr CopyMediaType(const unique_media_type_ptr& source);
+unique_media_type_ptr CopyMediaType(const AM_MEDIA_TYPE* source);
+
+template<typename ObjectInterface, typename EnumeratorInterface>
+struct ObjectEnumerator : public winrt::implements<ObjectEnumerator<ObjectInterface, EnumeratorInterface>, EnumeratorInterface>
+{
+    std::vector<wil::com_ptr_nothrow<ObjectInterface>> _objects;
+    ULONG _pos = 0;
+
+    HRESULT STDMETHODCALLTYPE Next(ULONG cObjects, ObjectInterface** outObjects, ULONG* pcFetched) override
+    {
+        if (!outObjects)
+        {
+            return E_POINTER;
+        }
+
+        ULONG fetched = 0;
+        ULONG toFetch = cObjects;
+        while (toFetch-- && _pos < _objects.size())
+        {
+            _objects[_pos++].copy_to(&outObjects[fetched++]);
+        }
+
+        if (pcFetched)
+        {
+            *pcFetched = fetched;
+        }
+
+        return fetched == cObjects ? S_OK : S_FALSE;
+    }
+
+    HRESULT STDMETHODCALLTYPE Skip(ULONG cObjects) override
+    {
+        _pos += cObjects;
+        return _pos < _objects.size() ? S_OK : S_FALSE;
+    }
+
+    HRESULT STDMETHODCALLTYPE Reset() override
+    {
+        _pos = 0;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE Clone(EnumeratorInterface** ppEnum) override
+    {
+        auto cloned = winrt::make_self<ObjectEnumerator>();
+        cloned->_objects = _objects;
+        cloned->_pos = _pos;
+        cloned.as<EnumeratorInterface>().copy_to(ppEnum);
+        return S_OK;
+    }
+
+    virtual ~ObjectEnumerator() = default;
+};
+
+struct MediaTypeEnumerator : public winrt::implements<MediaTypeEnumerator, IEnumMediaTypes>
+{
+    std::vector<unique_media_type_ptr> _objects;
+    ULONG _pos = 0;
+
+    HRESULT STDMETHODCALLTYPE Next(ULONG cObjects, AM_MEDIA_TYPE** outObjects, ULONG* pcFetched) override;
+    HRESULT STDMETHODCALLTYPE Skip(ULONG cObjects) override;
+    HRESULT STDMETHODCALLTYPE Reset() override;
+    HRESULT STDMETHODCALLTYPE Clone(IEnumMediaTypes** ppEnum) override;
+
+    virtual ~MediaTypeEnumerator() = default;
+};
+
+wil::com_ptr_nothrow<IMemAllocator> GetPinAllocator(wil::com_ptr_nothrow<IPin>& inputPin);

src/modules/videoconference/VideoConferenceProxyFilter/ImageLoading.cpp

@@ -0,0 +1,425 @@
+#include <initguid.h>
+
+#include <dxgiformat.h>
+#include <assert.h>
+#include <winrt/base.h>
+
+#pragma warning(push)
+#pragma warning(disable : 4005)
+#include <wincodec.h>
+#pragma warning(pop)
+
+#include <memory>
+#include <mfapi.h>
+#include <shcore.h>
+#include <algorithm>
+
+#include <wil/resource.h>
+#include <wil/com.h>
+
+#include <mfapi.h>
+#include <mfidl.h>
+#include <mftransform.h>
+#include <dshow.h>
+#include <Wincodecsdk.h>
+
+#include <shlwapi.h>
+
+#include "Logging.h"
+
+IWICImagingFactory* _GetWIC() noexcept
+{
+    static IWICImagingFactory* s_Factory = nullptr;
+
+    if (s_Factory)
+    {
+        return s_Factory;
+    }
+
+    OK_OR_BAIL(CoCreateInstance(
+        CLSID_WICImagingFactory, nullptr, CLSCTX_INPROC_SERVER, __uuidof(IWICImagingFactory), (LPVOID*)&s_Factory));
+
+    return s_Factory;
+}
+
+bool ReencodeJPGImage(BYTE* imageBuf, const DWORD imageSize, DWORD& reencodedSize)
+{
+    auto pWIC = _GetWIC();
+    wil::com_ptr_nothrow<IStream> imageStream = SHCreateMemStream(imageBuf, imageSize);
+    if (!imageStream)
+    {
+        return false;
+    }
+
+    // Decode jpg into bitmap
+    wil::com_ptr_nothrow<IWICBitmapDecoder> bitmapDecoder;
+    OK_OR_BAIL(pWIC->CreateDecoderFromStream(imageStream.get(), nullptr, WICDecodeMetadataCacheOnLoad, &bitmapDecoder));
+    wil::com_ptr_nothrow<IWICBitmapFrameDecode> decodedFrame;
+    OK_OR_BAIL(bitmapDecoder->GetFrame(0, &decodedFrame));
+    wil::com_ptr_nothrow<IWICBitmapSource> bitmap;
+    bitmap.attach(decodedFrame.detach());
+    UINT width = 0, height = 0;
+    OK_OR_BAIL(bitmap->GetSize(&width, &height));
+
+    // Initialize jpg encoder
+    wil::com_ptr_nothrow<IWICBitmapEncoder> encoder;
+    OK_OR_BAIL(pWIC->CreateEncoder(GUID_ContainerFormatJpeg, nullptr, &encoder));
+
+    wil::com_ptr_nothrow<IStream> outputStream;
+    OK_OR_BAIL(CreateStreamOnHGlobal(nullptr, true, &outputStream));
+    OK_OR_BAIL(encoder->Initialize(outputStream.get(), WICBitmapEncoderNoCache));
+    wil::com_ptr_nothrow<IWICBitmapFrameEncode> encodedFrame;
+    wil::com_ptr_nothrow<IPropertyBag2> encoderOptions;
+    OK_OR_BAIL(encoder->CreateNewFrame(&encodedFrame, &encoderOptions));
+
+    ULONG nProperties = 0;
+    OK_OR_BAIL(encoderOptions->CountProperties(&nProperties));
+    for (ULONG propIdx = 0; propIdx < nProperties; ++propIdx)
+    {
+        PROPBAG2 propBag{};
+        ULONG _;
+        OK_OR_BAIL(encoderOptions->GetPropertyInfo(propIdx, 1, &propBag, &_));
+        if (propBag.pstrName == std::wstring_view{ L"ImageQuality" })
+        {
+            wil::unique_variant variant;
+            variant.vt = VT_R4;
+            variant.fltVal = 0.1f;
+            OK_OR_BAIL(encoderOptions->Write(1, &propBag, &variant));
+            LOG("Successfully set jpg compression quality");
+            // skip the rest of the properties
+            propIdx = nProperties;
+        }
+        CoTaskMemFree(propBag.pstrName);
+    }
+
+    OK_OR_BAIL(encodedFrame->Initialize(encoderOptions.get()));
+    WICPixelFormatGUID intermediateFormat = GUID_WICPixelFormat24bppRGB;
+
+    OK_OR_BAIL(encodedFrame->SetPixelFormat(&intermediateFormat));
+    OK_OR_BAIL(encodedFrame->SetSize(width, height));
+
+    // Commit the image encoding
+    OK_OR_BAIL(encodedFrame->WriteSource(bitmap.get(), nullptr));
+    OK_OR_BAIL(encodedFrame->Commit());
+    OK_OR_BAIL(encoder->Commit());
+
+    STATSTG intermediateStreamStat{};
+    OK_OR_BAIL(outputStream->Stat(&intermediateStreamStat, STATFLAG_NONAME));
+    const ULONGLONG jpgStreamSize = intermediateStreamStat.cbSize.QuadPart;
+    HGLOBAL streamMemoryHandle{};
+    OK_OR_BAIL(GetHGlobalFromStream(outputStream.get(), &streamMemoryHandle));
+
+    auto jpgStreamMemory = static_cast<uint8_t*>(GlobalLock(streamMemoryHandle));
+    std::copy(jpgStreamMemory, jpgStreamMemory + jpgStreamSize, imageBuf);
+    auto unlockJpgStreamMemory = wil::scope_exit([jpgStreamMemory] { GlobalUnlock(jpgStreamMemory); });
+    reencodedSize = (DWORD)jpgStreamSize;
+    return true;
+}
+
+wil::com_ptr_nothrow<IWICBitmapSource> LoadAsRGB24BitmapWithSize(IWICImagingFactory* pWIC,
+                                                                 wil::com_ptr_nothrow<IStream> image,
+                                                                 const UINT targetWidth,
+                                                                 const UINT targetHeight)
+{
+    wil::com_ptr_nothrow<IWICBitmapSource> bitmap;
+    // Initialize image bitmap decoder from filename and get the image frame
+    wil::com_ptr_nothrow<IWICBitmapDecoder> bitmapDecoder;
+    OK_OR_BAIL(pWIC->CreateDecoderFromStream(image.get(), nullptr, WICDecodeMetadataCacheOnLoad, &bitmapDecoder));
+
+    wil::com_ptr_nothrow<IWICBitmapFrameDecode> decodedFrame;
+    OK_OR_BAIL(bitmapDecoder->GetFrame(0, &decodedFrame));
+
+    UINT imageWidth = 0, imageHeight = 0;
+    OK_OR_BAIL(decodedFrame->GetSize(&imageWidth, &imageHeight));
+
+    // Scale the image if required
+    if (targetWidth != imageWidth || targetHeight != imageHeight)
+    {
+        wil::com_ptr_nothrow<IWICBitmapScaler> scaler;
+        OK_OR_BAIL(pWIC->CreateBitmapScaler(&scaler));
+        OK_OR_BAIL(
+            scaler->Initialize(decodedFrame.get(), targetWidth, targetHeight, WICBitmapInterpolationModeHighQualityCubic));
+        bitmap.attach(scaler.detach());
+    }
+    else
+    {
+        bitmap.attach(decodedFrame.detach());
+    }
+    WICPixelFormatGUID pixelFormat{};
+    OK_OR_BAIL(bitmap->GetPixelFormat(&pixelFormat));
+
+    const auto targetPixelFormat = GUID_WICPixelFormat24bppBGR;
+    if (pixelFormat != targetPixelFormat)
+    {
+        wil::com_ptr_nothrow<IWICBitmapSource> convertedBitmap;
+        if (SUCCEEDED(WICConvertBitmapSource(targetPixelFormat, bitmap.get(), &convertedBitmap)))
+        {
+            return convertedBitmap;
+        }
+    }
+
+    return bitmap;
+}
+
+wil::com_ptr_nothrow<IStream> EncodeBitmapToContainer(IWICImagingFactory* pWIC,
+                                                      wil::com_ptr_nothrow<IWICBitmapSource> bitmap,
+                                                      const GUID& containerGUID,
+                                                      const UINT width,
+                                                      const UINT height,
+                                                      const float quality)
+{
+    wil::com_ptr_nothrow<IWICBitmapEncoder> encoder;
+    pWIC->CreateEncoder(containerGUID, nullptr, &encoder);
+
+    if (!encoder)
+    {
+        return nullptr;
+    }
+
+    // Prepare the encoder output memory stream and encoding params
+    wil::com_ptr_nothrow<IStream> encodedBitmap;
+    OK_OR_BAIL(CreateStreamOnHGlobal(nullptr, true, &encodedBitmap));
+    OK_OR_BAIL(encoder->Initialize(encodedBitmap.get(), WICBitmapEncoderNoCache));
+    wil::com_ptr_nothrow<IWICBitmapFrameEncode> encodedFrame;
+
+    wil::com_ptr_nothrow<IPropertyBag2> encoderOptions;
+    OK_OR_BAIL(encoder->CreateNewFrame(&encodedFrame, &encoderOptions));
+
+    ULONG nProperties = 0;
+    OK_OR_BAIL(encoderOptions->CountProperties(&nProperties));
+    for (ULONG propIdx = 0; propIdx < nProperties; ++propIdx)
+    {
+        PROPBAG2 propBag{};
+        ULONG _;
+        OK_OR_BAIL(encoderOptions->GetPropertyInfo(propIdx, 1, &propBag, &_));
+        if (propBag.pstrName == std::wstring_view{ L"ImageQuality" })
+        {
+            wil::unique_variant variant;
+            variant.vt = VT_R4;
+            variant.fltVal = quality;
+            OK_OR_BAIL(encoderOptions->Write(1, &propBag, &variant));
+            LOG("Successfully set jpg compression quality");
+            // skip the rest of the properties
+            propIdx = nProperties;
+        }
+        CoTaskMemFree(propBag.pstrName);
+    }
+
+    OK_OR_BAIL(encodedFrame->Initialize(encoderOptions.get()));
+
+    WICPixelFormatGUID intermediateFormat = GUID_WICPixelFormat24bppRGB;
+    OK_OR_BAIL(encodedFrame->SetPixelFormat(&intermediateFormat));
+    OK_OR_BAIL(encodedFrame->SetSize(width, height));
+
+    // Commit the image encoding
+    OK_OR_BAIL(encodedFrame->WriteSource(bitmap.get(), nullptr));
+    OK_OR_BAIL(encodedFrame->Commit());
+    OK_OR_BAIL(encoder->Commit());
+    return encodedBitmap;
+}
+
+IMFSample* ConvertIMFVideoSample(const MFT_REGISTER_TYPE_INFO& inputType,
+                                 IMFMediaType* outputMediaType,
+                                 const wil::com_ptr_nothrow<IMFSample>& inputSample,
+                                 const UINT width,
+                                 const UINT height)
+{
+    IMFActivate** ppVDActivate = nullptr;
+    UINT32 count = 0;
+
+    MFT_REGISTER_TYPE_INFO outputType = { MFMediaType_Video, {} };
+    outputMediaType->GetGUID(MF_MT_SUBTYPE, &outputType.guidSubtype);
+
+    const std::array<GUID, 3> transformerCategories = {
+        MFT_CATEGORY_VIDEO_PROCESSOR, MFT_CATEGORY_VIDEO_DECODER, MFT_CATEGORY_VIDEO_ENCODER
+    };
+
+    for (const auto& transformerCategory : transformerCategories)
+    {
+        OK_OR_BAIL(MFTEnumEx(transformerCategory, MFT_ENUM_FLAG_SYNCMFT, &inputType, &outputType, &ppVDActivate, &count));
+        if (count != 0)
+        {
+            break;
+        }
+    }
+
+    wil::com_ptr_nothrow<IMFTransform> videoTransformer;
+
+    bool videoDecoderActivated = false;
+    for (UINT32 i = 0; i < count; ++i)
+    {
+        if (!videoDecoderActivated && !FAILED(ppVDActivate[i]->ActivateObject(IID_PPV_ARGS(&videoTransformer))))
+        {
+            videoDecoderActivated = true;
+        }
+        ppVDActivate[i]->Release();
+    }
+
+    if (count)
+    {
+        CoTaskMemFree(ppVDActivate);
+    }
+
+    if (!videoDecoderActivated)
+    {
+        LOG("No converter avialable for the selected format");
+        return nullptr;
+    }
+
+    auto shutdownVideoDecoder = wil::scope_exit([&videoTransformer] { MFShutdownObject(videoTransformer.get()); });
+    // Set input/output types for the decoder
+    wil::com_ptr_nothrow<IMFMediaType> intermediateFrameMediaType;
+    OK_OR_BAIL(MFCreateMediaType(&intermediateFrameMediaType));
+    intermediateFrameMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
+    intermediateFrameMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB24);
+    intermediateFrameMediaType->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
+    intermediateFrameMediaType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
+    OK_OR_BAIL(MFSetAttributeSize(intermediateFrameMediaType.get(), MF_MT_FRAME_SIZE, width, height));
+    OK_OR_BAIL(MFSetAttributeRatio(intermediateFrameMediaType.get(), MF_MT_PIXEL_ASPECT_RATIO, width, height));
+    OK_OR_BAIL(videoTransformer->SetInputType(0, intermediateFrameMediaType.get(), 0));
+    OK_OR_BAIL(videoTransformer->SetOutputType(0, outputMediaType, 0));
+
+    // Process the input sample
+    OK_OR_BAIL(videoTransformer->ProcessInput(0, inputSample.get(), 0));
+
+    // Check whether we need to allocate output sample and buffer ourselves
+    MFT_OUTPUT_STREAM_INFO outputStreamInfo{};
+    OK_OR_BAIL(videoTransformer->GetOutputStreamInfo(0, &outputStreamInfo));
+    const bool onlyProvidesSamples = outputStreamInfo.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES;
+    const bool canProvideSamples = outputStreamInfo.dwFlags & MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES;
+    const bool mustAllocateSample =
+        (!onlyProvidesSamples && !canProvideSamples) ||
+        (!onlyProvidesSamples && (outputStreamInfo.dwFlags & MFT_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER));
+
+    MFT_OUTPUT_DATA_BUFFER outputSamples{};
+    IMFSample* outputSample = nullptr;
+
+    // If so, do the allocation
+    if (mustAllocateSample)
+    {
+        OK_OR_BAIL(MFCreateSample(&outputSample));
+        OK_OR_BAIL(outputSample->SetSampleDuration(333333));
+        OK_OR_BAIL(outputSample->SetSampleTime(1));
+        OK_OR_BAIL(outputSample->SetUINT32(MF_MT_VIDEO_ROTATION, MFVideoRotationFormat::MFVideoRotationFormat_0));
+        IMFMediaBuffer* outputMediaBuffer = nullptr;
+        OK_OR_BAIL(
+            MFCreateAlignedMemoryBuffer(outputStreamInfo.cbSize, outputStreamInfo.cbAlignment - 1, &outputMediaBuffer));
+        OK_OR_BAIL(outputMediaBuffer->SetCurrentLength(outputStreamInfo.cbSize));
+        OK_OR_BAIL(outputSample->AddBuffer(outputMediaBuffer));
+        outputSamples.pSample = outputSample;
+    }
+
+    // Finally, produce the output sample
+    DWORD processStatus = 0;
+    if (failed(videoTransformer->ProcessOutput(0, 1, &outputSamples, &processStatus)))
+    {
+        LOG("Failed to convert image frame");
+    }
+    if (outputSamples.pEvents)
+    {
+        outputSamples.pEvents->Release();
+    }
+
+    return outputSamples.pSample;
+}
+
+wil::com_ptr_nothrow<IMFSample> LoadImageAsSample(wil::com_ptr_nothrow<IStream> imageStream,
+                                                  IMFMediaType* sampleMediaType,
+                                                  const float quality) noexcept
+{
+    UINT targetWidth = 0;
+    UINT targetHeight = 0;
+    OK_OR_BAIL(MFGetAttributeSize(sampleMediaType, MF_MT_FRAME_SIZE, &targetWidth, &targetHeight));
+    MFT_REGISTER_TYPE_INFO outputType = { MFMediaType_Video, {} };
+    OK_OR_BAIL(sampleMediaType->GetGUID(MF_MT_SUBTYPE, &outputType.guidSubtype));
+
+    IWICImagingFactory* pWIC = _GetWIC();
+    if (!pWIC)
+    {
+        LOG("Failed to create IWICImagingFactory");
+        return nullptr;
+    }
+
+    if (!imageStream)
+    {
+        return nullptr;
+    }
+
+    const auto srcImageBitmap = LoadAsRGB24BitmapWithSize(pWIC, imageStream, targetWidth, targetHeight);
+    if (!srcImageBitmap)
+    {
+        return nullptr;
+    }
+
+    // First, let's create a sample containing RGB24 bitmap
+    IMFSample* outputSample = nullptr;
+    OK_OR_BAIL(MFCreateSample(&outputSample));
+    OK_OR_BAIL(outputSample->SetUINT32(MF_MT_VIDEO_ROTATION, MFVideoRotationFormat::MFVideoRotationFormat_0));
+    OK_OR_BAIL(outputSample->SetSampleDuration(333333));
+    OK_OR_BAIL(outputSample->SetSampleTime(1));
+    IMFMediaBuffer* outputMediaBuffer = nullptr;
+    const DWORD nPixelBytes = targetWidth * targetHeight * 3;
+    OK_OR_BAIL(MFCreateAlignedMemoryBuffer(nPixelBytes, MF_64_BYTE_ALIGNMENT, &outputMediaBuffer));
+
+    const UINT stride = 3 * targetWidth;
+
+    DWORD max_length = 0, current_length = 0;
+    BYTE* sampleBufferMemory = nullptr;
+    OK_OR_BAIL(outputMediaBuffer->Lock(&sampleBufferMemory, &max_length, &current_length));
+    OK_OR_BAIL(srcImageBitmap->CopyPixels(nullptr, stride, nPixelBytes, sampleBufferMemory));
+    OK_OR_BAIL(outputMediaBuffer->Unlock());
+
+    OK_OR_BAIL(outputMediaBuffer->SetCurrentLength(nPixelBytes));
+    OK_OR_BAIL(outputSample->AddBuffer(outputMediaBuffer));
+
+    if (outputType.guidSubtype == MFVideoFormat_RGB24)
+    {
+        return outputSample;
+    }
+
+    // Special case for mjpg, since we need to use jpg container for it instead of supplying raw pixels
+    if (outputType.guidSubtype == MFVideoFormat_MJPG)
+    {
+        // Use an intermediate jpg container sample which will be transcoded to the target format
+        wil::com_ptr_nothrow<IStream> jpgStream =
+            EncodeBitmapToContainer(pWIC, srcImageBitmap, GUID_ContainerFormatJpeg, targetWidth, targetHeight, quality);
+
+        // Obtain stream size and lock its memory pointer
+        STATSTG intermediateStreamStat{};
+        OK_OR_BAIL(jpgStream->Stat(&intermediateStreamStat, STATFLAG_NONAME));
+        const ULONGLONG jpgStreamSize = intermediateStreamStat.cbSize.QuadPart;
+        HGLOBAL streamMemoryHandle{};
+        OK_OR_BAIL(GetHGlobalFromStream(jpgStream.get(), &streamMemoryHandle));
+
+        auto jpgStreamMemory = static_cast<uint8_t*>(GlobalLock(streamMemoryHandle));
+        auto unlockJpgStreamMemory = wil::scope_exit([jpgStreamMemory] { GlobalUnlock(jpgStreamMemory); });
+
+        // Create a sample from the input image buffer
+        wil::com_ptr_nothrow<IMFSample> jpgSample;
+        OK_OR_BAIL(MFCreateSample(&jpgSample));
+        OK_OR_BAIL(jpgSample->SetUINT32(MF_MT_VIDEO_ROTATION, MFVideoRotationFormat::MFVideoRotationFormat_0));
+        IMFMediaBuffer* inputMediaBuffer = nullptr;
+        OK_OR_BAIL(MFCreateAlignedMemoryBuffer(static_cast<DWORD>(jpgStreamSize), MF_64_BYTE_ALIGNMENT, &inputMediaBuffer));
+        BYTE* inputBuf = nullptr;
+        OK_OR_BAIL(inputMediaBuffer->Lock(&inputBuf, &max_length, &current_length));
+        if (max_length < jpgStreamSize)
+        {
+            return nullptr;
+        }
+
+        std::copy(jpgStreamMemory, jpgStreamMemory + jpgStreamSize, inputBuf);
+        unlockJpgStreamMemory.reset();
+        OK_OR_BAIL(inputMediaBuffer->Unlock());
+        OK_OR_BAIL(inputMediaBuffer->SetCurrentLength(static_cast<DWORD>(jpgStreamSize)));
+        OK_OR_BAIL(jpgSample->AddBuffer(inputMediaBuffer));
+
+        return jpgSample;
+    }
+
+    // Now we are ready to convert it to the requested media type
+    MFT_REGISTER_TYPE_INFO intermediateType = { MFMediaType_Video, MFVideoFormat_RGB24 };
+
+    // But if no conversion is needed, just return the input sample
+
+    return ConvertIMFVideoSample(intermediateType, sampleMediaType, outputSample, targetWidth, targetHeight);
+}

src/modules/videoconference/VideoConferenceProxyFilter/VideoCaptureDevice.cpp

@@ -0,0 +1,634 @@
+#include "Logging.h"
+#include "VideoCaptureDevice.h"
+
+#include <wil/resource.h>
+#include <cguid.h>
+
+struct VideoCaptureReceiverFilter : winrt::implements<VideoCaptureReceiverFilter, IBaseFilter, IAMFilterMiscFlags>
+{
+    FILTER_STATE _state = State_Stopped;
+    IFilterGraph* _graph = nullptr;
+    wil::com_ptr_nothrow<IPin> _videoReceiverPin;
+
+    ULONG STDMETHODCALLTYPE GetMiscFlags() override { return AM_FILTER_MISC_FLAGS_IS_RENDERER; }
+
+    HRESULT STDMETHODCALLTYPE GetClassID(CLSID*) override { return E_NOTIMPL; }
+
+    HRESULT STDMETHODCALLTYPE Stop() override
+    {
+        _state = State_Stopped;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE Pause() override
+    {
+        _state = State_Paused;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE Run(REFERENCE_TIME) override
+    {
+        _state = State_Running;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE GetState(DWORD, FILTER_STATE* outState) override
+    {
+        *outState = _state;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE GetSyncSource(IReferenceClock** outRefClock) override
+    {
+        *outRefClock = nullptr;
+        return NOERROR;
+    }
+
+    HRESULT STDMETHODCALLTYPE SetSyncSource(IReferenceClock*) override { return S_OK; }
+
+    HRESULT STDMETHODCALLTYPE EnumPins(IEnumPins** ppEnum) override
+    {
+        auto enumerator = winrt::make_self<ObjectEnumerator<IPin, IEnumPins>>();
+        enumerator->_objects.emplace_back(_videoReceiverPin);
+        *ppEnum = enumerator.detach();
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE FindPin(LPCWSTR, IPin**) override { return E_NOTIMPL; }
+
+    HRESULT STDMETHODCALLTYPE JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR) override
+    {
+        _graph = pGraph;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryFilterInfo(FILTER_INFO* pInfo) override
+    {
+        std::copy(std::begin(NAME), std::end(NAME), pInfo->achName);
+        if (_graph)
+        {
+            pInfo->pGraph = _graph;
+            _graph->AddRef();
+        }
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryVendorInfo(LPWSTR* pVendorInfo) override
+    {
+        auto info = static_cast<LPWSTR>(CoTaskMemAlloc(sizeof(VENDOR)));
+        std::copy(std::begin(VENDOR), std::end(VENDOR), info);
+        *pVendorInfo = info;
+        return S_OK;
+    }
+
+    virtual ~VideoCaptureReceiverFilter() = default;
+
+    constexpr static inline wchar_t NAME[] = L"PowerToysVCMCaptureFilter";
+    constexpr static inline wchar_t VENDOR[] = L"Microsoft Corporation";
+};
+
+struct VideoCaptureReceiverPin : winrt::implements<VideoCaptureReceiverPin, IPin, IMemInputPin>
+{
+    VideoCaptureReceiverFilter* _owningFilter = nullptr;
+    unique_media_type_ptr _expectedMediaType;
+    wil::com_ptr_nothrow<IPin> _captureInputPin;
+    unique_media_type_ptr _inputCaptureMediaType;
+    std::atomic_bool _flushing = false;
+    VideoCaptureDevice::callback_t _frameCallback;
+
+    wil::com_ptr_nothrow<IMemAllocator> _allocator;
+
+    VideoCaptureReceiverPin(unique_media_type_ptr mediaType, VideoCaptureReceiverFilter* filter) :
+        _expectedMediaType{ std::move(mediaType) }, _owningFilter{ filter }
+    {
+    }
+
+    HRESULT STDMETHODCALLTYPE Connect(IPin*, const AM_MEDIA_TYPE* pmt) override
+    {
+        if (_owningFilter->_state == State_Running)
+        {
+            return VFW_E_NOT_STOPPED;
+        }
+
+        if (_captureInputPin)
+        {
+            return VFW_E_ALREADY_CONNECTED;
+        }
+
+        if (!pmt || pmt->majortype == GUID_NULL)
+        {
+            return S_OK;
+        }
+
+        if (pmt->majortype != _expectedMediaType->majortype || pmt->subtype != _expectedMediaType->subtype)
+        {
+            return S_FALSE;
+        }
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin* pConnector, const AM_MEDIA_TYPE* pmt) override
+    {
+        if (!pConnector || !pmt)
+        {
+            return E_POINTER;
+        }
+
+        if (_captureInputPin)
+        {
+            return VFW_E_ALREADY_CONNECTED;
+        }
+
+        if (_owningFilter->_state != State_Stopped)
+        {
+            return VFW_E_NOT_STOPPED;
+        }
+
+        if (QueryAccept(pmt) != S_OK)
+        {
+            return VFW_E_TYPE_NOT_ACCEPTED;
+        }
+
+        _captureInputPin = pConnector;
+        _inputCaptureMediaType = CopyMediaType(pmt);
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE Disconnect() override
+    {
+        _allocator.reset();
+        _captureInputPin.reset();
+        _inputCaptureMediaType.reset();
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE ConnectedTo(IPin** pPin) override
+    {
+        if (!_captureInputPin)
+        {
+            return VFW_E_NOT_CONNECTED;
+        }
+
+        _captureInputPin.copy_to(pPin);
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE* pmt) override
+    {
+        if (!pmt)
+        {
+            return E_POINTER;
+        }
+
+        if (!_inputCaptureMediaType)
+        {
+            return VFW_E_NOT_CONNECTED;
+        }
+
+        *pmt = *CopyMediaType(_inputCaptureMediaType).release();
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO* pInfo) override
+    {
+        if (!pInfo)
+        {
+            return E_POINTER;
+        }
+
+        pInfo->pFilter = _owningFilter;
+        if (_owningFilter)
+        {
+            _owningFilter->AddRef();
+        }
+
+        pInfo->dir = PINDIR_INPUT;
+        std::copy(std::begin(NAME), std::end(NAME), pInfo->achName);
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION* pPinDir) override
+    {
+        if (!pPinDir)
+        {
+            return E_POINTER;
+        }
+
+        *pPinDir = PINDIR_INPUT;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryId(LPWSTR* lpId) override
+    {
+        if (!lpId)
+        {
+            return E_POINTER;
+        }
+
+        *lpId = static_cast<LPWSTR>(CoTaskMemAlloc(sizeof(NAME)));
+
+        std::copy(std::begin(NAME), std::end(NAME), *lpId);
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE* pmt) override
+    {
+        if (!pmt)
+        {
+            return E_POINTER;
+        }
+
+        if (pmt->majortype != _expectedMediaType->majortype || pmt->subtype != _expectedMediaType->subtype)
+        {
+            return S_FALSE;
+        }
+
+        if (_captureInputPin)
+        {
+            _inputCaptureMediaType.reset(const_cast<AM_MEDIA_TYPE*>(pmt));
+        }
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes** ppEnum) override
+    {
+        if (!ppEnum)
+        {
+            return E_POINTER;
+        }
+
+        auto enumerator = winrt::make_self<MediaTypeEnumerator>();
+        enumerator->_objects.emplace_back(CopyMediaType(_expectedMediaType));
+        *ppEnum = enumerator.detach();
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin**, ULONG*) override { return E_NOTIMPL; }
+
+    HRESULT STDMETHODCALLTYPE EndOfStream() override { return S_OK; }
+
+    HRESULT STDMETHODCALLTYPE BeginFlush() override
+    {
+        _flushing = true;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE EndFlush() override
+    {
+        _flushing = false;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME, REFERENCE_TIME, double) override { return S_OK; }
+
+    HRESULT STDMETHODCALLTYPE GetAllocator(IMemAllocator** allocator) override
+    {
+        VERBOSE_LOG;
+        if (!_allocator)
+        {
+            return VFW_E_NO_ALLOCATOR;
+        }
+
+        _allocator.copy_to(allocator);
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE NotifyAllocator(IMemAllocator* allocator, BOOL readOnly) override
+    {
+        VERBOSE_LOG;
+        LOG(readOnly ? "Allocator READONLY: true" : "Allocator READONLY: false");
+        _allocator = allocator;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE GetAllocatorRequirements(ALLOCATOR_PROPERTIES*) override { return E_NOTIMPL; }
+
+    HRESULT STDMETHODCALLTYPE Receive(IMediaSample* pSample) override
+    {
+        if (_flushing)
+        {
+            return S_FALSE;
+        }
+
+        if (!pSample)
+        {
+            return E_POINTER;
+        }
+
+        if (pSample && _frameCallback)
+        {
+            _frameCallback(pSample);
+        }
+
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE ReceiveMultiple(IMediaSample** pSamples, long nSamples, long* nSamplesProcessed) override
+    {
+        if (!pSamples && nSamples)
+        {
+            return E_POINTER;
+        }
+
+        if (_flushing)
+        {
+            return S_FALSE;
+        }
+
+        for (long i = 0; i < nSamples; i++)
+        {
+            Receive(pSamples[i]);
+        }
+
+        *nSamplesProcessed = nSamples;
+        return S_OK;
+    }
+
+    HRESULT STDMETHODCALLTYPE ReceiveCanBlock() override { return S_FALSE; }
+
+    virtual ~VideoCaptureReceiverPin() = default;
+
+    constexpr static inline wchar_t NAME[] = L"PowerToysVCMCapturePin";
+};
+
+constexpr long MINIMAL_FPS_ALLOWED = 29;
+
+const char* GetMediaSubTypeString(const GUID& guid)
+{
+    if (guid == MEDIASUBTYPE_RGB24)
+    {
+        return "MEDIASUBTYPE_RGB24";
+    }
+
+    if (guid == MEDIASUBTYPE_YUY2)
+    {
+        return "MEDIASUBTYPE_YUY2";
+    }
+
+    if (guid == MEDIASUBTYPE_MJPG)
+    {
+        return "MEDIASUBTYPE_MJPG";
+    }
+
+    if (guid == MEDIASUBTYPE_NV12)
+    {
+        return "MEDIASUBTYPE_NV12";
+    }
+
+    return "MEDIASUBTYPE_UNKNOWN";
+}
+
+std::optional<VideoStreamFormat> SelectBestMediaType(wil::com_ptr_nothrow<IPin>& pin)
+{
+    VERBOSE_LOG;
+    wil::com_ptr_nothrow<IEnumMediaTypes> mediaTypeEnum;
+    if (pin->EnumMediaTypes(&mediaTypeEnum); !mediaTypeEnum)
+    {
+        return std::nullopt;
+    }
+
+    ULONG _ = 0;
+    VideoStreamFormat bestFormat;
+    unique_media_type_ptr mt;
+    while (mediaTypeEnum->Next(1, wil::out_param(mt), &_) == S_OK)
+    {
+        if (mt->majortype != MEDIATYPE_Video)
+        {
+            continue;
+        }
+
+        auto format = reinterpret_cast<VIDEOINFOHEADER*>(mt->pbFormat);
+        if (!format || !format->AvgTimePerFrame)
+        {
+            LOG("VideoInfoHeader not found");
+            continue;
+        }
+
+        const auto formatAvgFPS = 10000000LL / format->AvgTimePerFrame;
+        if (format->AvgTimePerFrame > bestFormat.avgFrameTime || formatAvgFPS < MINIMAL_FPS_ALLOWED)
+        {
+            continue;
+        }
+
+        if (format->bmiHeader.biWidth < bestFormat.width || format->bmiHeader.biHeight < bestFormat.height)
+        {
+            continue;
+        }
+
+        if (mt->subtype != MEDIASUBTYPE_YUY2 && mt->subtype != MEDIASUBTYPE_MJPG && mt->subtype != MEDIASUBTYPE_RGB24)
+        {
+            OLECHAR* guidString;
+            StringFromCLSID(mt->subtype, &guidString);
+            LOG("Skipping mediatype due to unsupported subtype: ");
+            LOG(guidString);
+            ::CoTaskMemFree(guidString);
+            continue;
+        }
+
+        bestFormat.avgFrameTime = format->AvgTimePerFrame;
+        bestFormat.width = format->bmiHeader.biWidth;
+        bestFormat.height = format->bmiHeader.biHeight;
+        bestFormat.mediaType = std::move(mt);
+    }
+
+    if (!bestFormat.mediaType)
+    {
+        LOG(L"Couldn't select a suitable media format");
+        return std::nullopt;
+    }
+
+    char selectedFormat[512]{};
+    sprintf_s(selectedFormat, "Selected media format: %s %ldx%ld %lld fps", GetMediaSubTypeString(bestFormat.mediaType->subtype), bestFormat.width, bestFormat.height, 10000000LL / bestFormat.avgFrameTime);
+    LOG(selectedFormat);
+
+    return std::move(bestFormat);
+}
+
+std::vector<VideoCaptureDeviceInfo> VideoCaptureDevice::ListAll()
+{
+    std::vector<VideoCaptureDeviceInfo> devices;
+    auto enumeratorFactory = wil::CoCreateInstanceNoThrow<ICreateDevEnum>(CLSID_SystemDeviceEnum);
+    if (!enumeratorFactory)
+    {
+        LOG("Couldn't create devenum factory");
+        return devices;
+    }
+
+    wil::com_ptr_nothrow<IEnumMoniker> enumMoniker;
+    enumeratorFactory->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &enumMoniker, CDEF_DEVMON_PNP_DEVICE);
+    if (!enumMoniker)
+    {
+        LOG("Couldn't create class enumerator");
+        return devices;
+    }
+
+    ULONG _ = 0;
+    wil::com_ptr_nothrow<IMoniker> moniker;
+    while (enumMoniker->Next(1, &moniker, &_) == S_OK)
+    {
+        LOG("Inspecting moniker");
+        VideoCaptureDeviceInfo deviceInfo;
+
+        wil::com_ptr_nothrow<IPropertyBag> propertyData;
+        moniker->BindToStorage(nullptr, nullptr, IID_IPropertyBag, reinterpret_cast<void**>(&propertyData));
+        if (!propertyData)
+        {
+            LOG("BindToStorage failed");
+            continue;
+        }
+
+        wil::unique_variant propVal;
+        propVal.vt = VT_BSTR;
+
+        if (FAILED(propertyData->Read(L"FriendlyName", &propVal, nullptr)))
+        {
+            LOG("Couldn't obtain FriendlyName property");
+            continue;
+        }
+
+        deviceInfo.friendlyName = { propVal.bstrVal, SysStringLen(propVal.bstrVal) };
+        LOG(deviceInfo.friendlyName);
+
+        propVal.reset();
+        propVal.vt = VT_BSTR;
+
+        if (FAILED(propertyData->Read(L"DevicePath", &propVal, nullptr)))
+        {
+            LOG("Couldn't obtain DevicePath property");
+            continue;
+        }
+        deviceInfo.devicePath = { propVal.bstrVal, SysStringLen(propVal.bstrVal) };
+
+        wil::com_ptr_nothrow<IBaseFilter> filter;
+        moniker->BindToObject(nullptr, nullptr, IID_IBaseFilter, reinterpret_cast<void**>(&filter));
+        if (!filter)
+        {
+            LOG("Couldn't BindToObject");
+            continue;
+        }
+
+        wil::com_ptr_nothrow<IEnumPins> pinsEnum;
+        if (FAILED(filter->EnumPins(&pinsEnum)))
+        {
+            LOG("BindToObject EnumPins");
+            continue;
+        }
+
+        wil::com_ptr_nothrow<IPin> pin;
+        while (pinsEnum->Next(1, &pin, &_) == S_OK)
+        {
+            LOG("Inspecting pin");
+            // Skip pins which do not belong to capture category
+            GUID category{};
+            DWORD __;
+            if (auto props = pin.try_copy<IKsPropertySet>();
+                !props ||
+                FAILED(props->Get(AMPROPSETID_Pin, AMPROPERTY_PIN_CATEGORY, nullptr, 0, &category, sizeof(GUID), &__)) ||
+                category != PIN_CATEGORY_CAPTURE)
+            {
+                continue;
+            }
+
+            // Skip non-output pins
+            if (PIN_DIRECTION direction = {}; FAILED(pin->QueryDirection(&direction)) || direction != PINDIR_OUTPUT)
+            {
+                continue;
+            }
+
+            LOG("Found a pin of suitable category and direction, selecting format");
+            auto bestFormat = SelectBestMediaType(pin);
+            if (!bestFormat)
+            {
+                continue;
+            }
+
+            deviceInfo.captureOutputPin = std::move(pin);
+            deviceInfo.bestFormat = std::move(bestFormat.value());
+            deviceInfo.captureOutputFilter = std::move(filter);
+            devices.emplace_back(std::move(deviceInfo));
+        }
+    }
+
+    return devices;
+}
+
+std::optional<VideoCaptureDevice> VideoCaptureDevice::Create(VideoCaptureDeviceInfo&& vdi, callback_t callback)
+{
+    VERBOSE_LOG;
+    VideoCaptureDevice result;
+
+    result._graph = wil::CoCreateInstanceNoThrow<IGraphBuilder>(CLSID_FilterGraph);
+    result._builder = wil::CoCreateInstanceNoThrow<ICaptureGraphBuilder2>(CLSID_CaptureGraphBuilder2);
+    if (!result._graph || !result._builder)
+    {
+        return std::nullopt;
+    }
+
+    if (FAILED(result._builder->SetFiltergraph(result._graph.get())))
+    {
+        return std::nullopt;
+    }
+
+    result._control = result._graph.try_query<IMediaControl>();
+    if (!result._control)
+    {
+        return std::nullopt;
+    }
+
+    auto pinConfig = vdi.captureOutputPin.try_query<IAMStreamConfig>();
+    if (!pinConfig)
+    {
+        return std::nullopt;
+    }
+
+    if (FAILED(pinConfig->SetFormat(vdi.bestFormat.mediaType.get())))
+    {
+        return std::nullopt;
+    }
+
+    auto captureInputFilter = winrt::make_self<VideoCaptureReceiverFilter>();
+    auto receiverPin = winrt::make_self<VideoCaptureReceiverPin>(std::move(vdi.bestFormat.mediaType), captureInputFilter.get());
+    receiverPin->_frameCallback = std::move(callback);
+    captureInputFilter->_videoReceiverPin.attach(receiverPin.get());
+    auto detachReceiverPin = wil::scope_exit([&receiverPin]() { receiverPin.detach(); });
+
+    if (FAILED(result._graph->AddFilter(captureInputFilter.get(), nullptr)))
+    {
+        return std::nullopt;
+    }
+
+    if (FAILED(result._graph->AddFilter(vdi.captureOutputFilter.get(), nullptr)))
+    {
+        return std::nullopt;
+    }
+
+    if (FAILED(result._graph->ConnectDirect(vdi.captureOutputPin.get(), captureInputFilter->_videoReceiverPin.get(), nullptr)))
+    {
+        return std::nullopt;
+    }
+
+    result._allocator = receiverPin->_allocator;
+    return std::make_optional(std::move(result));
+}
+
+bool VideoCaptureDevice::StartCapture()
+{
+    VERBOSE_LOG;
+    return SUCCEEDED(_control->Run());
+}
+
+bool VideoCaptureDevice::StopCapture()
+{
+    VERBOSE_LOG;
+    return SUCCEEDED(_control->Stop());
+}
+
+VideoCaptureDevice::~VideoCaptureDevice()
+{
+    StopCapture();
+}

src/modules/videoconference/VideoConferenceProxyFilter/VideoCaptureDevice.h

@@ -0,0 +1,62 @@
+#pragma once
+#include <initguid.h>
+#define WIN32_LEAN_AND_MEAN
+
+#include <windows.h>
+#include <dshow.h>
+
+#include <wil/com.h>
+
+#include <functional>
+#include <vector>
+#include <string>
+#include <optional>
+
+#include "DirectShowUtils.h"
+
+struct VideoStreamFormat
+{
+    long width = 0;
+    long height = 0;
+    REFERENCE_TIME avgFrameTime = std::numeric_limits<REFERENCE_TIME>::max();
+    unique_media_type_ptr mediaType;
+
+    VideoStreamFormat() = default;
+
+    VideoStreamFormat(const VideoStreamFormat&) = delete;
+    VideoStreamFormat& operator=(const VideoStreamFormat&) = delete;
+
+    VideoStreamFormat(VideoStreamFormat&&) = default;
+    VideoStreamFormat& operator=(VideoStreamFormat&&) = default;
+};
+
+struct VideoCaptureDeviceInfo
+{
+    std::wstring friendlyName;
+    std::wstring devicePath;
+    wil::com_ptr_nothrow<IPin> captureOutputPin;
+    wil::com_ptr_nothrow<IBaseFilter> captureOutputFilter;
+    VideoStreamFormat bestFormat;
+};
+
+class VideoCaptureDevice final
+{
+public:
+    wil::com_ptr_nothrow<IMemAllocator> _allocator;
+
+    using callback_t = std::function<void(IMediaSample*)>;
+
+    static std::vector<VideoCaptureDeviceInfo> ListAll();
+    static std::optional<VideoCaptureDevice> Create(VideoCaptureDeviceInfo&& vdi, callback_t callback);
+
+    bool StartCapture();
+    bool StopCapture();
+
+    ~VideoCaptureDevice();
+
+private:
+    wil::com_ptr_nothrow<IGraphBuilder> _graph;
+    wil::com_ptr_nothrow<ICaptureGraphBuilder2> _builder;
+    wil::com_ptr_nothrow<IMediaControl> _control;
+    callback_t _callback;
+};

src/modules/videoconference/VideoConferenceProxyFilter/VideoCaptureProxyFilter.cpp

@@ -0,0 +1,919 @@
+#include "VideoCaptureProxyFilter.h"
+
+#include "VideoCaptureDevice.h"
+#include <mfidl.h>
+#include <Shlwapi.h>
+#include <mfapi.h>
+#include <fstream>
+
+constexpr static inline wchar_t FILTER_NAME[] = L"PowerToysVCMProxyFilter";
+constexpr static inline wchar_t PIN_NAME[] = L"PowerToysVCMProxyPIN";
+constexpr static inline wchar_t VENDOR[] = L"Microsoft Corporation";
+
+namespace
+{
+    constexpr float initialJpgQuality = 0.5f;
+    constexpr std::array<unsigned char, 3> overlayColor = { 0, 0, 0 };
+    // clang-format off
+    unsigned char bmpPixelData[58] = {
+	      0x42, 0x4D, 0x3A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00,
+	      0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00,
+	      0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
+	      0x00, 0x00, 0xC4, 0x0E, 0x00, 0x00, 0xC4, 0x0E, 0x00, 0x00, 0x00, 0x00,
+	      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, overlayColor[0], overlayColor[1], overlayColor[2], 0x00
+    };
+    // clang-format on
+}
+
+wil::com_ptr_nothrow<IMemAllocator> VideoCaptureProxyPin::FindAllocator()
+{
+    auto allocator = GetPinAllocator(_connectedInputPin);
+    if (!allocator && _owningFilter->_captureDevice)
+    {
+        allocator = _owningFilter->_captureDevice->_allocator;
+    }
+
+    return allocator;
+}
+
+wil::com_ptr_nothrow<IMFSample> LoadImageAsSample(wil::com_ptr_nothrow<IStream> imageStream,
+                                                  IMFMediaType* sampleMediaType,
+                                                  const float quality) noexcept;
+bool ReencodeJPGImage(BYTE* imageBuf, const DWORD imageSize, DWORD& reencodedSize);
+
+HRESULT VideoCaptureProxyPin::Connect(IPin* pReceivePin, const AM_MEDIA_TYPE*)
+{
+    if (!pReceivePin)
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED pReceivePin");
+        return E_POINTER;
+    }
+
+    if (_owningFilter->_state == State_Running)
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED _owningFilter->_state");
+        return VFW_E_NOT_STOPPED;
+    }
+
+    if (_connectedInputPin)
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED _connectedInputPin");
+        return VFW_E_ALREADY_CONNECTED;
+    }
+
+    if (FAILED(pReceivePin->ReceiveConnection(this, _mediaFormat.get())))
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED pReceivePin->ReceiveConnection");
+        return E_POINTER;
+    }
+
+    _connectedInputPin = pReceivePin;
+
+    auto memInput = _connectedInputPin.try_query<IMemInputPin>();
+    if (!memInput)
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED _connectedInputPin.try_query");
+        return VFW_E_NO_TRANSPORT;
+    }
+
+    auto allocator = FindAllocator();
+    if (allocator == nullptr)
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED FindAllocator");
+        return VFW_E_NO_TRANSPORT;
+    }
+
+    if (FAILED(memInput->NotifyAllocator(allocator.get(), false)))
+    {
+        LOG("VideoCaptureProxyPin::Connect FAILED memInput->NotifyAllocator");
+        return VFW_E_NO_TRANSPORT;
+    }
+
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::ReceiveConnection(IPin*, const AM_MEDIA_TYPE*)
+{
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::Disconnect(void)
+{
+    if (!_connectedInputPin)
+    {
+        LOG("VideoCaptureProxyPin::Disconnect FAILED _connectedInputPin");
+        return S_FALSE;
+    }
+
+    _connectedInputPin.reset();
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::ConnectedTo(IPin** pPin)
+{
+    if (!_connectedInputPin)
+    {
+        *pPin = nullptr;
+        return VFW_E_NOT_CONNECTED;
+    }
+
+    _connectedInputPin.try_copy_to(pPin);
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::ConnectionMediaType(AM_MEDIA_TYPE* pmt)
+{
+    if (!_connectedInputPin)
+    {
+        LOG("VideoCaptureProxyPin::ConnectionMediaType FAILED _connectedInputPin");
+        return VFW_E_NOT_CONNECTED;
+    }
+
+    *pmt = *CopyMediaType(_mediaFormat).release();
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QueryPinInfo(PIN_INFO* pInfo)
+{
+    if (!pInfo)
+    {
+        LOG("VideoCaptureProxyPin::QueryPinInfo FAILED pInfo");
+        return E_POINTER;
+    }
+
+    pInfo->pFilter = _owningFilter;
+    if (_owningFilter)
+    {
+        _owningFilter->AddRef();
+    }
+
+    if (_mediaFormat->majortype == MEDIATYPE_Video)
+    {
+        std::copy(std::begin(PIN_NAME), std::end(PIN_NAME), pInfo->achName);
+    }
+
+    pInfo->dir = PINDIR_OUTPUT;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QueryDirection(PIN_DIRECTION* pPinDir)
+{
+    if (!pPinDir)
+    {
+        LOG("VideoCaptureProxyPin::QueryDirection FAILED pPinDir");
+        return E_POINTER;
+    }
+
+    *pPinDir = PINDIR_OUTPUT;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QueryId(LPWSTR* Id)
+{
+    if (!Id)
+    {
+        LOG("VideoCaptureProxyPin::QueryId FAILED Id");
+        return E_POINTER;
+    }
+
+    *Id = static_cast<LPWSTR>(CoTaskMemAlloc(sizeof(PIN_NAME)));
+    std::copy(std::begin(PIN_NAME), std::end(PIN_NAME), *Id);
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QueryAccept(const AM_MEDIA_TYPE*)
+{
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::EnumMediaTypes(IEnumMediaTypes** ppEnum)
+{
+    if (!ppEnum)
+    {
+        LOG("VideoCaptureProxyPin::EnumMediaTypes FAILED ppEnum");
+        return E_POINTER;
+    }
+
+    auto enumerator = winrt::make_self<MediaTypeEnumerator>();
+    enumerator->_objects.emplace_back(CopyMediaType(_mediaFormat));
+    *ppEnum = enumerator.detach();
+
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QueryInternalConnections(IPin**, ULONG*)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT VideoCaptureProxyPin::EndOfStream(void)
+{
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::BeginFlush(void)
+{
+    _flushing = true;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::EndFlush(void)
+{
+    _flushing = false;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::NewSegment(REFERENCE_TIME, REFERENCE_TIME, double)
+{
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::SetFormat(AM_MEDIA_TYPE* pmt)
+{
+    if (pmt == nullptr)
+    {
+        return S_OK;
+    }
+
+    _mediaFormat = CopyMediaType(pmt);
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::GetFormat(AM_MEDIA_TYPE** ppmt)
+{
+    if (!ppmt)
+    {
+        LOG("VideoCaptureProxyPin::GetFormat FAILED ppmt");
+        return E_POINTER;
+    }
+
+    *ppmt = CopyMediaType(_mediaFormat).release();
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::GetNumberOfCapabilities(int* piCount, int* piSize)
+{
+    if (!piCount || !piSize)
+    {
+        LOG("VideoCaptureProxyPin::GetNumberOfCapabilities FAILED piCount || piSize");
+        return E_POINTER;
+    }
+
+    *piCount = 1;
+    *piSize = sizeof(VIDEO_STREAM_CONFIG_CAPS);
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::GetStreamCaps(int iIndex, AM_MEDIA_TYPE** ppmt, BYTE* pSCC)
+{
+    if (!ppmt || !pSCC)
+    {
+        LOG("VideoCaptureProxyPin::GetStreamCaps FAILED ppmt || pSCC");
+        return E_POINTER;
+    }
+
+    if (iIndex != 0)
+    {
+        LOG("VideoCaptureProxyPin::GetStreamCaps FAILED iIndex");
+        return S_FALSE;
+    }
+
+    VIDEOINFOHEADER* vih = reinterpret_cast<decltype(vih)>(_mediaFormat->pbFormat);
+
+    VIDEO_STREAM_CONFIG_CAPS caps{};
+    caps.guid = FORMAT_VideoInfo;
+    caps.MinFrameInterval = vih->AvgTimePerFrame;
+    caps.MaxFrameInterval = vih->AvgTimePerFrame;
+    caps.MinOutputSize.cx = vih->bmiHeader.biWidth;
+    caps.MinOutputSize.cy = vih->bmiHeader.biHeight;
+    caps.MaxOutputSize = caps.MinOutputSize;
+    caps.InputSize = caps.MinOutputSize;
+    caps.MinCroppingSize = caps.MinOutputSize;
+    caps.MaxCroppingSize = caps.MinOutputSize;
+    caps.CropGranularityX = vih->bmiHeader.biWidth;
+    caps.CropGranularityY = vih->bmiHeader.biHeight;
+    caps.MinBitsPerSecond = vih->dwBitRate;
+    caps.MaxBitsPerSecond = caps.MinBitsPerSecond;
+
+    *ppmt = CopyMediaType(_mediaFormat).release();
+
+    const auto caps_begin = reinterpret_cast<const char*>(&caps);
+    std::copy(caps_begin, caps_begin + sizeof(caps), pSCC);
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::Set(REFGUID, DWORD, LPVOID, DWORD, LPVOID, DWORD)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT VideoCaptureProxyPin::Get(
+    REFGUID guidPropSet,
+    DWORD dwPropID,
+    LPVOID,
+    DWORD,
+    LPVOID pPropData,
+    DWORD cbPropData,
+    DWORD* pcbReturned)
+{
+    if (guidPropSet != AMPROPSETID_Pin)
+    {
+        LOG("VideoCaptureProxyPin::Get FAILED guidPropSet");
+        return E_PROP_SET_UNSUPPORTED;
+    }
+
+    if (dwPropID != AMPROPERTY_PIN_CATEGORY)
+    {
+        LOG("VideoCaptureProxyPin::Get FAILED dwPropID");
+        return E_PROP_ID_UNSUPPORTED;
+    }
+
+    if (!pPropData)
+    {
+        LOG("VideoCaptureProxyPin::Get FAILED pPropData || pcbReturned");
+        return E_POINTER;
+    }
+
+    if (pcbReturned)
+    {
+        *pcbReturned = sizeof(GUID);
+    }
+
+    if (cbPropData < sizeof(GUID))
+    {
+        LOG("VideoCaptureProxyPin::Get FAILED cbPropData");
+        return E_UNEXPECTED;
+    }
+
+    *(GUID*)pPropData = PIN_CATEGORY_CAPTURE;
+
+    LOG("VideoCaptureProxyPin::Get SUCCESS");
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyPin::QuerySupported(REFGUID guidPropSet, DWORD dwPropID, DWORD* pTypeSupport)
+{
+    if (guidPropSet != AMPROPSETID_Pin)
+    {
+        LOG("VideoCaptureProxyPin::QuerySupported FAILED guidPropSet");
+        return E_PROP_SET_UNSUPPORTED;
+    }
+
+    if (dwPropID != AMPROPERTY_PIN_CATEGORY)
+    {
+        LOG("VideoCaptureProxyPin::QuerySupported FAILED dwPropID");
+        return E_PROP_ID_UNSUPPORTED;
+    }
+
+    if (pTypeSupport)
+    {
+        *pTypeSupport = KSPROPERTY_SUPPORT_GET;
+    }
+
+    return S_OK;
+}
+
+long GetImageSize(wil::com_ptr_nothrow<IMFSample>& image)
+{
+    if (!image)
+    {
+        return 0;
+    }
+
+    DWORD imageSize = 0;
+    wil::com_ptr_nothrow<IMFMediaBuffer> imageBuf;
+
+    OK_OR_BAIL(image->GetBufferByIndex(0, &imageBuf));
+    OK_OR_BAIL(imageBuf->GetCurrentLength(&imageSize));
+    return imageSize;
+}
+
+void ReencodeFrame(IMediaSample* frame)
+{
+    BYTE* frameData = nullptr;
+    frame->GetPointer(&frameData);
+    if (!frameData)
+    {
+        LOG("VideoCaptureProxyPin::ReencodeFrame FAILED frameData");
+        return;
+    }
+    const DWORD frameSize = frame->GetSize();
+    DWORD reencodedSize = 0;
+    if (!ReencodeJPGImage(frameData, frameSize, reencodedSize))
+    {
+        LOG("VideoCaptureProxyPin::ReencodeJPGImage FAILED");
+        return;
+    }
+    frame->SetActualDataLength(reencodedSize);
+}
+
+bool OverwriteFrame(IMediaSample* frame, wil::com_ptr_nothrow<IMFSample>& image)
+{
+    if (!image)
+    {
+        return false;
+    }
+
+    BYTE* frameData = nullptr;
+    frame->GetPointer(&frameData);
+    if (!frameData)
+    {
+        LOG("VideoCaptureProxyPin::OverwriteFrame FAILED frameData");
+        return false;
+    }
+
+    wil::com_ptr_nothrow<IMFMediaBuffer> imageBuf;
+    const DWORD frameSize = frame->GetSize();
+
+    image->GetBufferByIndex(0, &imageBuf);
+    if (!imageBuf)
+    {
+        LOG("VideoCaptureProxyPin::OverwriteFrame FAILED imageBuf");
+        return false;
+    }
+
+    BYTE* imageData = nullptr;
+    DWORD _ = 0, imageSize = 0;
+    imageBuf->Lock(&imageData, &_, &imageSize);
+    if (!imageData)
+    {
+        LOG("VideoCaptureProxyPin::OverwriteFrame FAILED imageData");
+        return false;
+    }
+
+    if (imageSize > frameSize && failed(frame->SetActualDataLength(imageSize)))
+    {
+        char buf[512]{};
+        sprintf_s(buf, "VideoCaptureProxyPin::OverwriteFrame FAILED overlay image size %lu is larger than frame size %lu", imageSize, frameSize);
+        LOG(buf);
+        imageBuf->Unlock();
+        return false;
+    }
+
+    std::copy(imageData, imageData + imageSize, frameData);
+    imageBuf->Unlock();
+    frame->SetActualDataLength(imageSize);
+
+    return true;
+}
+
+//#define DEBUG_FRAME_DATA
+//#define DEBUG_OVERWRITE_FRAME
+//#define DEBUG_REENCODE_JPG_DATA
+
+#if defined(DEBUG_OVERWRITE_FRAME)
+void DebugOverwriteFrame(IMediaSample* frame, std::string_view filepath)
+{
+    std::ifstream file{ filepath.data(), std::ios::binary };
+    std::streampos fileSize = 0;
+    fileSize = file.tellg();
+    file.seekg(0, std::ios::end);
+    fileSize = file.tellg() - fileSize;
+
+    BYTE* frameData = nullptr;
+    if (!frame)
+    {
+        LOG("null frame provided");
+        return;
+    }
+    frame->GetPointer(&frameData);
+    const DWORD frameSize = frame->GetSize();
+
+    if (fileSize > frameSize || !frameData)
+    {
+        LOG("frame can't be filled with data");
+        return;
+    }
+    file.read((char*)frameData, fileSize);
+    frame->SetActualDataLength((long)fileSize);
+    LOG("DebugOverwriteFrame success");
+}
+
+#endif
+
+#if defined(DEBUG_FRAME_DATA)
+#include <filesystem>
+
+namespace fs = std::filesystem;
+
+void DumpSample(IMediaSample* frame, const std::string_view filename)
+{
+    BYTE* data = nullptr;
+    frame->GetPointer(&data);
+    if (!data)
+    {
+        LOG("Couldn't get sample pointer");
+        return;
+    }
+    const long nBytes = frame->GetActualDataLength();
+    std::ofstream file{ fs::temp_directory_path() / filename, std::ios::binary };
+    file.write((const char*)data, nBytes);
+}
+#endif
+
+VideoCaptureProxyFilter::VideoCaptureProxyFilter() :
+    _worker_thread{
+        std::thread{
+            [this]() {
+                using namespace std::chrono_literals;
+                const auto uninitializedSleepInterval = 15ms;
+                std::vector<float> lowerJpgQualityModes = { 0.1f, 0.25f };
+                while (!_shutdown_request)
+                {
+                    std::unique_lock<std::mutex> lock{ _worker_mutex };
+                    _worker_cv.wait(lock, [this] { return _pending_frame != nullptr || _shutdown_request; });
+
+                    if (!_outPin || !_outPin->_connectedInputPin)
+                    {
+                        lock.unlock();
+                        std::this_thread::sleep_for(uninitializedSleepInterval);
+                        continue;
+                    }
+
+                    auto input = _outPin->_connectedInputPin.try_query<IMemInputPin>();
+                    if (!input)
+                    {
+                        continue;
+                    }
+
+                    IMediaSample* sample = _pending_frame;
+                    if (!sample)
+                    {
+                        continue;
+                    }
+#if defined(DEBUG_FRAME_DATA)
+                    static bool realFrameSaved = false;
+                    if (!realFrameSaved)
+                    {
+                        DumpSample(sample, "PowerToysVCMRealFrame.binary");
+                        realFrameSaved = true;
+                    }
+#endif
+                    auto newSettings = SyncCurrentSettings();
+                    if (newSettings.webcamDisabled)
+                    {
+#if !defined(DEBUG_OVERWRITE_FRAME)
+                        bool overwritten = OverwriteFrame(_pending_frame, _overlayImage ? _overlayImage : _blankImage);
+                        while (!overwritten && _overlayImage)
+                        {
+                            _overlayImage.reset();
+                            newSettings = SyncCurrentSettings();
+                            if (!lowerJpgQualityModes.empty() && newSettings.overlayImage)
+                            {
+                                const float quality = lowerJpgQualityModes.back();
+                                lowerJpgQualityModes.pop_back();
+                                char buf[512]{};
+                                sprintf_s(buf, "Reload overlay image with quality %f", quality);
+                                LOG(buf);
+                                _overlayImage = LoadImageAsSample(newSettings.overlayImage, _targetMediaType.get(), quality);
+                                overwritten = OverwriteFrame(_pending_frame, _overlayImage);
+                            }
+                            else
+                            {
+                                LOG("Couldn't overwrite frame with image with all available quality modes.");
+                            }
+                        }
+#if defined(DEBUG_FRAME_DATA)
+                        static bool overlayFrameSaved = false;
+                        if (!overlayFrameSaved && _overlayImage && overwritten)
+                        {
+                            DumpSample(sample, "PowerToysVCMOverlayImageFrame.binary");
+                            overlayFrameSaved = true;
+                        }
+#endif
+                        if (!overwritten && !_overlayImage)
+                        {
+                            OverwriteFrame(_pending_frame, _blankImage);
+                        }
+#else
+                        DebugOverwriteFrame(_pending_frame, "R:\\frame.data");
+#endif
+                    }
+#if defined(DEBUG_REENCODE_JPG_DATA)
+                    else
+                    {
+                        GUID subtype{};
+                        _targetMediaType->GetGUID(MF_MT_SUBTYPE, &subtype);
+                        if (subtype == MFVideoFormat_MJPG)
+                        {
+                            ReencodeFrame(_pending_frame);
+                        }
+                    }
+#endif
+
+                    _pending_frame = nullptr;
+                    input->Receive(sample);
+                    sample->Release();
+                }
+            } }
+    }
+{
+}
+
+HRESULT VideoCaptureProxyFilter::Stop(void)
+{
+    if (_state != State_Stopped && _captureDevice)
+    {
+        _captureDevice->StopCapture();
+    }
+
+    _state = State_Stopped;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::Pause(void)
+{
+    if (_state == State_Stopped)
+    {
+        std::unique_lock<std::mutex> lock{ _worker_mutex };
+
+        if (!_outPin)
+        {
+            LOG("VideoCaptureProxyPin::Pause FAILED _outPin");
+            return VFW_E_NO_TRANSPORT;
+        }
+
+        auto allocator = _outPin->FindAllocator();
+        if (!allocator)
+        {
+            LOG("VideoCaptureProxyPin::Pause FAILED allocator");
+            return VFW_E_NO_TRANSPORT;
+        }
+
+        allocator->Commit();
+    }
+
+    _state = State_Paused;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::Run(REFERENCE_TIME)
+{
+    _state = State_Running;
+    if (_captureDevice)
+    {
+        _captureDevice->StartCapture();
+    }
+
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::GetState(DWORD, FILTER_STATE* State)
+{
+    *State = _state;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::SetSyncSource(IReferenceClock* pClock)
+{
+    _clock = pClock;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::GetSyncSource(IReferenceClock** pClock)
+{
+    if (!pClock)
+    {
+        return E_POINTER;
+    }
+    _clock.try_copy_to(pClock);
+    return S_OK;
+}
+
+GUID MapDShowSubtypeToMFT(const GUID& dshowSubtype)
+{
+    if (dshowSubtype == MEDIASUBTYPE_YUY2)
+    {
+        return MFVideoFormat_YUY2;
+    }
+    else if (dshowSubtype == MEDIASUBTYPE_MJPG)
+    {
+        return MFVideoFormat_MJPG;
+    }
+    else if (dshowSubtype == MEDIASUBTYPE_RGB24)
+    {
+        return MFVideoFormat_RGB24;
+    }
+    else
+    {
+        LOG("MapDShowSubtypeToMFT: Unsupported media type format provided!");
+        return MFVideoFormat_MJPG;
+    }
+}
+
+HRESULT VideoCaptureProxyFilter::EnumPins(IEnumPins** ppEnum)
+{
+    if (!ppEnum)
+    {
+        LOG("VideoCaptureProxyFilter::EnumPins null arg provided");
+        return E_POINTER;
+    }
+
+    std::unique_lock<std::mutex> lock{ _worker_mutex };
+
+    // We cannot initialize capture device and outpin during VideoCaptureProxyFilter ctor
+    // since that results in a deadlock -> initializing now.
+    if (!_outPin)
+    {
+        LOG("VideoCaptureProxyFilter::EnumPins started pin initialization");
+        const auto newSettings = SyncCurrentSettings();
+        std::vector<VideoCaptureDeviceInfo> webcams;
+        webcams = VideoCaptureDevice::ListAll();
+        if (webcams.empty())
+        {
+            LOG("VideoCaptureProxyFilter::EnumPins no physical webcams found");
+            return E_FAIL;
+        }
+
+        std::optional<size_t> selectedCamIdx;
+        for (size_t i = 0; i < size(webcams); ++i)
+        {
+            if (newSettings.newCameraName == webcams[i].friendlyName)
+            {
+                selectedCamIdx = i;
+                LOG("VideoCaptureProxyFilter::EnumPins webcam selected using settings");
+                break;
+            }
+        }
+
+        if (!selectedCamIdx)
+        {
+            for (size_t i = 0; i < size(webcams); ++i)
+            {
+                if (newSettings.newCameraName != CAMERA_NAME)
+                {
+                    LOG("VideoCaptureProxyFilter::EnumPins webcam selected using first fit");
+                    selectedCamIdx = i;
+                    break;
+                }
+            }
+        }
+
+        if (!selectedCamIdx)
+        {
+            LOG("VideoCaptureProxyFilter::EnumPins FAILED webcam couldn't be selected");
+            return E_FAIL;
+        }
+
+        auto& webcam = webcams[*selectedCamIdx];
+        auto pin = winrt::make_self<VideoCaptureProxyPin>();
+        pin->_mediaFormat = CopyMediaType(webcam.bestFormat.mediaType);
+        pin->_owningFilter = this;
+        _outPin.attach(pin.detach());
+
+        auto frameCallback = [this](IMediaSample* sample) {
+            std::unique_lock<std::mutex> lock{ _worker_mutex };
+            sample->AddRef();
+            _pending_frame = sample;
+            _worker_cv.notify_one();
+        };
+
+        _targetMediaType.reset();
+        MFCreateMediaType(&_targetMediaType);
+        _targetMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
+        _targetMediaType->SetGUID(MF_MT_SUBTYPE, MapDShowSubtypeToMFT(webcam.bestFormat.mediaType->subtype));
+        _targetMediaType->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
+        _targetMediaType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
+        MFSetAttributeSize(
+            _targetMediaType.get(), MF_MT_FRAME_SIZE, webcam.bestFormat.width, webcam.bestFormat.height);
+        MFSetAttributeRatio(_targetMediaType.get(), MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
+
+        _captureDevice = VideoCaptureDevice::Create(std::move(webcam), std::move(frameCallback));
+        if (_captureDevice)
+        {
+            if (!_blankImage)
+            {
+                wil::com_ptr_nothrow<IStream> blackBMPImage = SHCreateMemStream(bmpPixelData, sizeof(bmpPixelData));
+                _blankImage = LoadImageAsSample(blackBMPImage, _targetMediaType.get(), initialJpgQuality);
+            }
+
+            _overlayImage = LoadImageAsSample(newSettings.overlayImage, _targetMediaType.get(), initialJpgQuality);
+            LOG("VideoCaptureProxyFilter::EnumPins capture device created successfully");
+        }
+        else
+        {
+            LOG("VideoCaptureProxyFilter::EnumPins FAILED couldn't create capture device");
+        }
+    }
+
+    auto enumerator = winrt::make_self<ObjectEnumerator<IPin, IEnumPins>>();
+    enumerator->_objects.emplace_back(_outPin);
+    *ppEnum = enumerator.detach();
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::FindPin(LPCWSTR, IPin**)
+{
+    return E_NOTIMPL;
+}
+
+HRESULT VideoCaptureProxyFilter::QueryFilterInfo(FILTER_INFO* pInfo)
+{
+    if (!pInfo)
+    {
+        LOG("VideoCaptureProxyPin::QueryFilterInfo FAILED pInfo");
+        return E_POINTER;
+    }
+
+    VERBOSE_LOG;
+    std::copy(std::begin(FILTER_NAME), std::end(FILTER_NAME), pInfo->achName);
+
+    pInfo->pGraph = _graph;
+    if (_graph)
+    {
+        _graph->AddRef();
+    }
+
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR)
+{
+    _graph = pGraph;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::QueryVendorInfo(LPWSTR* pVendorInfo)
+{
+    auto info = static_cast<LPWSTR>(CoTaskMemAlloc(sizeof(VENDOR)));
+    std::copy(std::begin(VENDOR), std::end(VENDOR), info);
+    *pVendorInfo = info;
+    return S_OK;
+}
+
+HRESULT VideoCaptureProxyFilter::GetClassID(CLSID*)
+{
+    return E_NOTIMPL;
+}
+
+ULONG VideoCaptureProxyFilter::GetMiscFlags(void)
+{
+    return AM_FILTER_MISC_FLAGS_IS_SOURCE;
+}
+
+VideoCaptureProxyFilter::~VideoCaptureProxyFilter()
+{
+    VERBOSE_LOG;
+    _shutdown_request = true;
+
+    _worker_cv.notify_one();
+    _worker_thread.join();
+}
+
+VideoCaptureProxyFilter::SyncedSettings VideoCaptureProxyFilter::SyncCurrentSettings()
+{
+    SyncedSettings result;
+    if (!_settingsUpdateChannel.has_value())
+    {
+        _settingsUpdateChannel = SerializedSharedMemory::open(CameraSettingsUpdateChannel::endpoint(), sizeof(CameraSettingsUpdateChannel), false);
+    }
+
+    if (!_settingsUpdateChannel)
+    {
+        return result;
+    }
+
+    _settingsUpdateChannel->access([this, &result](auto settingsMemory) {
+        auto settings = reinterpret_cast<CameraSettingsUpdateChannel*>(settingsMemory._data);
+        bool cameraNameUpdated = false;
+        result.webcamDisabled = settings->useOverlayImage;
+
+        settings->cameraInUse = true;
+
+        if (settings->sourceCameraName.has_value())
+        {
+            std::wstring_view newCameraNameView{ settings->sourceCameraName->data() };
+            if (!_currentSourceCameraName.has_value() || *_currentSourceCameraName != newCameraNameView)
+            {
+                cameraNameUpdated = true;
+                result.newCameraName = newCameraNameView;
+            }
+        }
+
+        if (!settings->overlayImageSize.has_value())
+        {
+            return;
+        }
+
+        if (settings->newOverlayImagePosted || !_overlayImage)
+        {
+            auto imageChannel =
+                SerializedSharedMemory::open(CameraOverlayImageChannel::endpoint(), *settings->overlayImageSize, true);
+            if (!imageChannel)
+            {
+                return;
+            }
+
+            imageChannel->access([this, settings, &result](auto imageMemory) {
+                result.overlayImage = SHCreateMemStream(imageMemory._data, static_cast<UINT>(imageMemory._size));
+                if (!result.overlayImage)
+                {
+                    return;
+                }
+
+                settings->newOverlayImagePosted = false;
+            });
+        }
+    });
+    return result;
+}

src/modules/videoconference/VideoConferenceProxyFilter/VideoCaptureProxyFilter.h

@@ -0,0 +1,120 @@
+#pragma once
+
+#include <initguid.h>
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <dshow.h>
+
+#include <winrt/base.h>
+#include <wil/resource.h>
+#include <wil/com.h>
+
+#include <CameraStateUpdateChannels.h>
+#include <SerializedSharedMemory.h>
+
+#include "VideoCaptureDevice.h"
+
+#include <mutex>
+#include <condition_variable>
+
+struct VideoCaptureProxyPin;
+struct IMFSample;
+struct IMFMediaType;
+
+inline const wchar_t CAMERA_NAME[] = L"PowerToys VideoConference Mute";
+
+struct VideoCaptureProxyFilter : winrt::implements<VideoCaptureProxyFilter, IBaseFilter, IAMFilterMiscFlags>
+{
+    // BLOCK START: member accessed concurrently
+    wil::com_ptr_nothrow<VideoCaptureProxyPin> _outPin;
+    IMediaSample* _pending_frame = nullptr;
+    std::atomic_bool _shutdown_request = false;
+    std::optional<SerializedSharedMemory> _settingsUpdateChannel;
+    std::optional<std::wstring> _currentSourceCameraName;
+    wil::com_ptr_nothrow<IMFSample> _blankImage;
+    wil::com_ptr_nothrow<IMFSample> _overlayImage;
+    wil::com_ptr_nothrow<IMFMediaType> _targetMediaType;
+    // BLOCK END: member accessed concurrently
+
+    std::mutex _worker_mutex;
+    std::condition_variable _worker_cv;
+
+    FILTER_STATE _state = State_Stopped;
+    wil::com_ptr_nothrow<IReferenceClock> _clock;
+    IFilterGraph* _graph = nullptr;
+    std::optional<VideoCaptureDevice> _captureDevice;
+
+    std::thread _worker_thread;
+
+    VideoCaptureProxyFilter();
+    ~VideoCaptureProxyFilter();
+
+    struct SyncedSettings
+    {
+        bool webcamDisabled = false;
+        std::wstring newCameraName;
+        wil::com_ptr_nothrow<IStream> overlayImage;
+    };
+
+    SyncedSettings SyncCurrentSettings();
+
+    HRESULT STDMETHODCALLTYPE Stop(void) override;
+    HRESULT STDMETHODCALLTYPE Pause(void) override;
+    HRESULT STDMETHODCALLTYPE Run(REFERENCE_TIME tStart) override;
+    HRESULT STDMETHODCALLTYPE GetState(DWORD dwMilliSecsTimeout, FILTER_STATE* State) override;
+    HRESULT STDMETHODCALLTYPE SetSyncSource(IReferenceClock* pClock) override;
+    HRESULT STDMETHODCALLTYPE GetSyncSource(IReferenceClock** pClock) override;
+    HRESULT STDMETHODCALLTYPE EnumPins(IEnumPins** ppEnum) override;
+    HRESULT STDMETHODCALLTYPE FindPin(LPCWSTR Id, IPin** ppPin) override;
+    HRESULT STDMETHODCALLTYPE QueryFilterInfo(FILTER_INFO* pInfo) override;
+    HRESULT STDMETHODCALLTYPE JoinFilterGraph(IFilterGraph* pGraph, LPCWSTR pName) override;
+    HRESULT STDMETHODCALLTYPE QueryVendorInfo(LPWSTR* pVendorInfo) override;
+
+    HRESULT STDMETHODCALLTYPE GetClassID(CLSID* pClassID) override;
+    ULONG STDMETHODCALLTYPE GetMiscFlags(void) override;
+};
+struct VideoCaptureProxyPin : winrt::implements<VideoCaptureProxyPin, IPin, IAMStreamConfig, IKsPropertySet>
+{
+    VideoCaptureProxyFilter* _owningFilter = nullptr;
+    wil::com_ptr_nothrow<IPin> _connectedInputPin;
+    unique_media_type_ptr _mediaFormat;
+    std::atomic_bool _flushing = false;
+
+    HRESULT STDMETHODCALLTYPE Connect(IPin* pReceivePin, const AM_MEDIA_TYPE* pmt) override;
+    HRESULT STDMETHODCALLTYPE ReceiveConnection(IPin* pConnector, const AM_MEDIA_TYPE* pmt) override;
+    HRESULT STDMETHODCALLTYPE Disconnect(void) override;
+    HRESULT STDMETHODCALLTYPE ConnectedTo(IPin** pPin) override;
+    HRESULT STDMETHODCALLTYPE ConnectionMediaType(AM_MEDIA_TYPE* pmt) override;
+    HRESULT STDMETHODCALLTYPE QueryPinInfo(PIN_INFO* pInfo) override;
+    HRESULT STDMETHODCALLTYPE QueryDirection(PIN_DIRECTION* pPinDir) override;
+    HRESULT STDMETHODCALLTYPE QueryId(LPWSTR* Id) override;
+    HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE* pmt) override;
+    HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes** ppEnum) override;
+    HRESULT STDMETHODCALLTYPE QueryInternalConnections(IPin** apPin, ULONG* nPin) override;
+    HRESULT STDMETHODCALLTYPE EndOfStream(void) override;
+    HRESULT STDMETHODCALLTYPE BeginFlush(void) override;
+    HRESULT STDMETHODCALLTYPE EndFlush(void) override;
+    HRESULT STDMETHODCALLTYPE NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate) override;
+
+    HRESULT STDMETHODCALLTYPE SetFormat(AM_MEDIA_TYPE* pmt) override;
+    HRESULT STDMETHODCALLTYPE GetFormat(AM_MEDIA_TYPE** ppmt) override;
+    HRESULT STDMETHODCALLTYPE GetNumberOfCapabilities(int* piCount, int* piSize) override;
+    HRESULT STDMETHODCALLTYPE GetStreamCaps(int iIndex, AM_MEDIA_TYPE** ppmt, BYTE* pSCC) override;
+    HRESULT STDMETHODCALLTYPE Set(REFGUID guidPropSet,
+                                  DWORD dwPropID,
+                                  LPVOID pInstanceData,
+                                  DWORD cbInstanceData,
+                                  LPVOID pPropData,
+                                  DWORD cbPropData) override;
+    HRESULT STDMETHODCALLTYPE Get(REFGUID guidPropSet,
+                                  DWORD dwPropID,
+                                  LPVOID pInstanceData,
+                                  DWORD cbInstanceData,
+                                  LPVOID pPropData,
+                                  DWORD cbPropData,
+                                  DWORD* pcbReturned) override;
+    HRESULT STDMETHODCALLTYPE QuerySupported(REFGUID guidPropSet, DWORD dwPropID, DWORD* pTypeSupport) override;
+
+    wil::com_ptr_nothrow<IMemAllocator> FindAllocator();
+};

src/modules/videoconference/VideoConferenceProxyFilter/VideoConferenceProxyFilter.vcxproj

@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <ProjectGuid>{AC2857B4-103D-4D6D-9740-926EBF785042}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>VideoConferenceProxyFilter</RootNamespace>
+    <ProjectName>VideoConferenceProxyFilter</ProjectName>
+    <OverrideWindowsTargetPlatformVersion>true</OverrideWindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(SolutionDir)\src\;$(ProjectDir)..\..\..\</AdditionalIncludeDirectories>
+      <WarningLevel>Level4</WarningLevel>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
+    <ClCompile>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+    <Lib>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
+    <ClCompile>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(SolutionDir)\src\;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+    </Link>
+    <Lib>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
+    </Lib>
+    <PreBuildEvent Condition="'$(Platform)'=='x64'">
+      <Command>call "$(ProjectDir)build_vcm_x86.cmd"</Command>
+    </PreBuildEvent>    
+  </ItemDefinitionGroup>
+  <PropertyGroup Condition="'$(Platform)'!='Win32'">
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\modules\VideoConference\</OutDir>
+    <TargetName>VideoConferenceProxyFilter_x64</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Platform)'=='Win32'">
+    <OutDir>..\..\..\..\x86\$(Configuration)\modules\VideoConference\</OutDir>
+    <TargetName>VideoConferenceProxyFilter_x86</TargetName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>..\VideoConferenceShared\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_LIB;NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <RuntimeLibrary Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">MultiThreaded</RuntimeLibrary>
+      <RuntimeLibrary Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <AdditionalDependencies>$(OutDir)VideoConferenceShared.lib;mfplat.lib;Mfsensorgroup.lib;OneCoreUAP.lib;Mf.lib;Shlwapi.lib;Strmiids.lib;%(AdditionalDependencies);</AdditionalDependencies>
+      <ModuleDefinitionFile>module.def</ModuleDefinitionFile>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="DirectShowUtils.h" />
+    <ClInclude Include="VideoCaptureDevice.h" />
+    <ClInclude Include="VideoCaptureProxyFilter.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="DirectShowUtils.cpp" />
+    <ClCompile Include="VideoCaptureDevice.cpp" />
+    <ClCompile Include="VideoCaptureProxyFilter.cpp" />
+    <ClCompile Include="dllmain.cpp" />
+    <ClCompile Include="ImageLoading.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="module.def" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\VideoConferenceShared\VideoConferenceShared.vcxproj">
+      <Project>{459e0768-7ebd-4c41-bba1-6db3b3815e0a}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets'))" />
+  </Target>
+</Project>

src/modules/videoconference/VideoConferenceProxyFilter/VideoConferenceProxyFilterx86.sln

@@ -0,0 +1,41 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30907.101
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VideoConferenceProxyFilter", "VideoConferenceProxyFilter.vcxproj", "{AC2857B4-103D-4D6D-9740-926EBF785042}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VideoConferenceShared", "..\VideoConferenceShared\VideoConferenceShared.vcxproj", "{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|Win32.ActiveCfg = Debug|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|Win32.Build.0 = Debug|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|x64.ActiveCfg = Debug|x64
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Debug|x64.Build.0 = Debug|x64
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|Win32.ActiveCfg = Release|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|Win32.Build.0 = Release|Win32
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x64.ActiveCfg = Release|x64
+		{AC2857B4-103D-4D6D-9740-926EBF785042}.Release|x64.Build.0 = Release|x64
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Debug|Win32.Build.0 = Debug|Win32
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Debug|x64.ActiveCfg = Debug|x64
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Debug|x64.Build.0 = Debug|x64
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Release|Win32.ActiveCfg = Release|Win32
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Release|Win32.Build.0 = Release|Win32
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Release|x64.ActiveCfg = Release|x64
+		{459E0768-7EBD-4C41-BBA1-6DB3B3815E0A}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {0E41348C-22CB-45A4-8A16-8D7BEA070BB2}
+	EndGlobalSection
+EndGlobal

src/modules/videoconference/VideoConferenceProxyFilter/build_vcm_x86.cmd

@@ -0,0 +1,3 @@
+msbuild VideoConferenceProxyFilterx86.sln -p:Configuration="Release" -p:Platform="Win32"
+
+exit 0

src/modules/videoconference/VideoConferenceProxyFilter/dllmain.cpp

@@ -0,0 +1,242 @@
+#include "VideoCaptureProxyFilter.h"
+
+#include <winrt/base.h>
+
+#include <wil/registry.h>
+#include <cguid.h>
+
+namespace
+{
+#if defined(_WIN64)
+    class __declspec(uuid("{31AD75E9-8C3A-49C8-B9ED-5880D6B4A764}")) GUID_DECL_POWERTOYS_VCM;
+#elif defined(_WIN32)
+    class __declspec(uuid("{31AD75E9-8C3A-49C8-B9ED-5880D6B4A732}")) GUID_DECL_POWERTOYS_VCM;
+#endif
+    const GUID CLSID_POWERTOYS_VCM = __uuidof(GUID_DECL_POWERTOYS_VCM);
+
+    const REGPINTYPES MEDIA_TYPES = { &MEDIATYPE_Video, &MEDIASUBTYPE_MJPG };
+
+    const wchar_t FILTER_NAME[] = L"Output";
+    const REGFILTERPINS PINS_REGISTRATION = {
+        (wchar_t*)FILTER_NAME,
+        false,
+        true,
+        false,
+        false,
+        &CLSID_NULL,
+        nullptr,
+        1,
+        &MEDIA_TYPES
+    };
+
+    HINSTANCE DLLInstance{};
+}
+
+struct __declspec(uuid("9DCAF869-9C13-4BDF-BD0D-3592C5579DD6")) VideoCaptureProxyFilterFactory : winrt::implements<VideoCaptureProxyFilterFactory, IClassFactory>
+{
+    HRESULT STDMETHODCALLTYPE CreateInstance(IUnknown*, REFIID riid, void** ppvObject) noexcept override
+    {
+        try
+        {
+            return winrt::make<VideoCaptureProxyFilter>()->QueryInterface(riid, ppvObject);
+        }
+        catch (...)
+        {
+            return winrt::to_hresult();
+        }
+    }
+
+    HRESULT STDMETHODCALLTYPE LockServer(BOOL fLock) noexcept override
+    {
+        if (fLock)
+        {
+            ++winrt::get_module_lock();
+        }
+        else
+        {
+            --winrt::get_module_lock();
+        }
+
+        return S_OK;
+    }
+};
+
+HRESULT STDMETHODCALLTYPE DllCanUnloadNow()
+{
+    if (winrt::get_module_lock())
+    {
+        return S_FALSE;
+    }
+
+    winrt::clear_factory_cache();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DllGetClassObject(GUID const& clsid, GUID const& iid, void** result)
+{
+    if (!result)
+    {
+        return E_POINTER;
+    }
+
+    if (iid != IID_IClassFactory && iid != IID_IUnknown)
+    {
+        return E_NOINTERFACE;
+    }
+
+    if (clsid != CLSID_POWERTOYS_VCM)
+    {
+        return E_INVALIDARG;
+    }
+
+    try
+    {
+        *result = nullptr;
+
+        auto factory = winrt::make<VideoCaptureProxyFilterFactory>();
+        factory->AddRef();
+        *result = static_cast<void*>(factory.get());
+        return S_OK;
+    }
+    catch (...)
+    {
+        return winrt::to_hresult();
+    }
+}
+
+std::wstring RegistryPath()
+{
+    std::wstring registryPath;
+    registryPath.resize(CHARS_IN_GUID, L'\0');
+
+    StringFromGUID2(CLSID_POWERTOYS_VCM, registryPath.data(), CHARS_IN_GUID);
+    registryPath.resize(registryPath.size() - 1);
+    registryPath = L"CLSID\\" + registryPath;
+    return registryPath;
+}
+
+bool RegisterServer()
+{
+    std::wstring dllPath;
+    dllPath.resize(MAX_PATH, L'\0');
+    if (auto length = GetModuleFileNameW(DLLInstance, dllPath.data(), MAX_PATH); length != 0)
+    {
+        dllPath.resize(length);
+    }
+    else
+    {
+        return false;
+    }
+
+    wil::unique_hkey key;
+    wil::unique_hkey subkey;
+    const auto registryPath = RegistryPath();
+    if (RegCreateKeyW(HKEY_CLASSES_ROOT, registryPath.c_str(), &key))
+    {
+        return false;
+    }
+
+    if (RegSetValueW(key.get(), nullptr, REG_SZ, CAMERA_NAME, sizeof(CAMERA_NAME)))
+    {
+        return false;
+    }
+
+    if (RegCreateKeyW(key.get(), L"InprocServer32", &subkey))
+    {
+        return false;
+    }
+
+    if (RegSetValueW(subkey.get(), nullptr, REG_SZ, dllPath.c_str(), static_cast<DWORD>((dllPath.length() + 1) * sizeof(wchar_t))))
+    {
+        return false;
+    }
+    const wchar_t THREADING_MODEL[] = L"Both";
+    RegSetValueExW(subkey.get(), L"ThreadingModel", 0, REG_SZ, (const BYTE*)THREADING_MODEL, sizeof(THREADING_MODEL));
+
+    return true;
+}
+
+bool UnregisterServer()
+{
+    const auto registryPath = RegistryPath();
+    return !RegDeleteTreeW(HKEY_CLASSES_ROOT, registryPath.c_str());
+}
+
+bool RegisterFilter()
+{
+    auto filterMapper = wil::CoCreateInstanceNoThrow<IFilterMapper2>(CLSID_FilterMapper2);
+    if (!filterMapper)
+    {
+        return false;
+    }
+
+    REGFILTER2 regFilter{ .dwVersion = 1, .dwMerit = MERIT_DO_NOT_USE, .cPins = 1, .rgPins = &PINS_REGISTRATION };
+
+    wil::com_ptr_nothrow<IMoniker> moniker;
+
+    return SUCCEEDED(filterMapper->RegisterFilter(
+        CLSID_POWERTOYS_VCM, CAMERA_NAME, &moniker, &CLSID_VideoInputDeviceCategory, nullptr, &regFilter));
+}
+
+bool UnregisterFilter()
+{
+    auto filterMapper = wil::CoCreateInstanceNoThrow<IFilterMapper2>(CLSID_FilterMapper2);
+    if (!filterMapper)
+    {
+        return false;
+    }
+
+    return SUCCEEDED(filterMapper->UnregisterFilter(&CLSID_VideoInputDeviceCategory, nullptr, CLSID_POWERTOYS_VCM));
+}
+
+HRESULT STDMETHODCALLTYPE DllRegisterServer()
+{
+    if (!RegisterServer())
+    {
+        UnregisterServer();
+        return E_FAIL;
+    }
+
+    auto COMContext = wil::CoInitializeEx(COINIT_APARTMENTTHREADED);
+
+    if (!RegisterFilter())
+    {
+        UnregisterFilter();
+        UnregisterServer();
+        return E_FAIL;
+    }
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DllUnregisterServer()
+{
+    auto COMContext = wil::CoInitializeEx(COINIT_APARTMENTTHREADED);
+
+    UnregisterFilter();
+    UnregisterServer();
+
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE DllInstall(BOOL install, LPCWSTR)
+{
+    if (install)
+    {
+        return DllRegisterServer();
+    }
+    else
+    {
+        return DllUnregisterServer();
+    }
+}
+
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID)
+{
+    if (fdwReason == DLL_PROCESS_ATTACH)
+    {
+        DLLInstance = hinstDLL;
+    }
+
+    return true;
+}

src/modules/videoconference/VideoConferenceProxyFilter/module.def

@@ -0,0 +1,7 @@
+EXPORTS
+            DllMain                 PRIVATE
+            DllGetClassObject       PRIVATE
+            DllCanUnloadNow         PRIVATE
+            DllRegisterServer       PRIVATE
+            DllUnregisterServer     PRIVATE
+            DllInstall              PRIVATE

src/modules/videoconference/VideoConferenceProxyFilter/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.200519.2" targetFramework="native" />
+</packages>

src/modules/videoconference/VideoConferenceShared/CameraStateUpdateChannels.cpp

@@ -0,0 +1,15 @@
+#include "CameraStateUpdateChannels.h"
+
+#include "naming.h"
+
+std::wstring_view CameraOverlayImageChannel::endpoint()
+{
+    static const std::wstring endpoint = ObtainStableGlobalNameForKernelObject(L"PowerToysVideoConferenceCameraOverlayImageChannelSharedMemory", true);
+    return endpoint;
+}
+
+std::wstring_view CameraSettingsUpdateChannel::endpoint()
+{
+    static const std::wstring endpoint = ObtainStableGlobalNameForKernelObject(L"PowerToysVideoConferenceSettingsChannelSharedMemory", true);
+    return endpoint;
+}

src/modules/videoconference/VideoConferenceShared/CameraStateUpdateChannels.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <optional>
+#include <string_view>
+#include <array>
+
+struct alignas(16) CameraSettingsUpdateChannel
+{
+    bool useOverlayImage = false;
+    bool cameraInUse = false;
+
+    std::optional<uint32_t> overlayImageSize;
+    std::optional<std::array<wchar_t, 256>> sourceCameraName;
+
+    bool newOverlayImagePosted = false;
+
+    static std::wstring_view endpoint();
+};
+
+namespace CameraOverlayImageChannel
+{
+    std::wstring_view endpoint();
+}

src/modules/videoconference/VideoConferenceShared/Logging.cpp

@@ -0,0 +1,203 @@
+#include "Logging.h"
+
+#include <iostream>
+#include <fstream>
+#include <mutex>
+#include <iomanip>
+#include <chrono>
+#include <filesystem>
+
+#include <mfapi.h>
+
+#pragma warning(disable : 4127)
+
+static std::mutex logMutex;
+constexpr inline size_t maxLogSizeMegabytes = 10;
+constexpr inline bool alwaysLogVerbose = true;
+
+void LogToFile(std::wstring what, const bool verbose)
+{
+    std::error_code _;
+    const auto tempPath = std::filesystem::temp_directory_path(_);
+    if (verbose)
+    {
+        const bool verboseIndicatorFilePresent = std::filesystem::exists(tempPath / L"PowerToysVideoConferenceVerbose.flag", _);
+        if (!alwaysLogVerbose && !verboseIndicatorFilePresent)
+        {
+            return;
+        }
+    }
+    time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
+    std::tm tm;
+    localtime_s(&tm, &now);
+    char prefix[64];
+    const auto pid = GetCurrentProcessId();
+    const auto iter = prefix + sprintf_s(prefix, "[%ld]", pid);
+    std::strftime(iter, sizeof(prefix) - (prefix - iter), "[%d.%m %H:%M:%S] ", &tm);
+
+    std::lock_guard lock{ logMutex };
+    std::wstring logFilePath = tempPath;
+#if defined(_WIN64)
+    logFilePath += L"\\PowerToysVideoConference_x64.log";
+#elif defined(_WIN32)
+    logFilePath += L"\\PowerToysVideoConference_x86.log";
+#endif
+    size_t logSizeMBs = 0;
+    try
+    {
+        logSizeMBs = static_cast<size_t>(std::filesystem::file_size(logFilePath) >> 20);
+    }
+    catch (...)
+    {
+    }
+    if (logSizeMBs > maxLogSizeMegabytes)
+    {
+        std::error_code __;
+        // Truncate the log file to zero
+        std::filesystem::resize_file(logFilePath, 0, __);
+    }
+    std::wofstream myfile;
+    myfile.open(logFilePath, std::fstream::app);
+
+    static const auto newLaunch = [&] {
+        myfile << prefix << "\n\n<<<NEW SESSION>>";
+        return 0;
+    }();
+
+    myfile << prefix << what << "\n";
+    myfile.close();
+}
+
+void LogToFile(std::string what, const bool verbose)
+{
+    std::wstring native{ begin(what), end(what) };
+    LogToFile(std::move(native), verbose);
+}
+
+std::string toMediaTypeString(GUID subtype)
+{
+    if (subtype == MFVideoFormat_YUY2)
+        return "MFVideoFormat_YUY2";
+    else if (subtype == MFVideoFormat_RGB32)
+        return "MFVideoFormat_RGB32";
+    else if (subtype == MFVideoFormat_RGB24)
+        return "MFVideoFormat_RGB24";
+    else if (subtype == MFVideoFormat_ARGB32)
+        return "MFVideoFormat_ARGB32";
+    else if (subtype == MFVideoFormat_RGB555)
+        return "MFVideoFormat_RGB555";
+    else if (subtype == MFVideoFormat_RGB565)
+        return "MFVideoFormat_RGB565";
+    else if (subtype == MFVideoFormat_RGB8)
+        return "MFVideoFormat_RGB8";
+    else if (subtype == MFVideoFormat_L8)
+        return "MFVideoFormat_L8";
+    else if (subtype == MFVideoFormat_L16)
+        return "MFVideoFormat_L16";
+    else if (subtype == MFVideoFormat_D16)
+        return "MFVideoFormat_D16";
+    else if (subtype == MFVideoFormat_AYUV)
+        return "MFVideoFormat_AYUV";
+    else if (subtype == MFVideoFormat_YUY2)
+        return "MFVideoFormat_YUY2";
+    else if (subtype == MFVideoFormat_YVYU)
+        return "MFVideoFormat_YVYU";
+    else if (subtype == MFVideoFormat_YVU9)
+        return "MFVideoFormat_YVU9";
+    else if (subtype == MFVideoFormat_UYVY)
+        return "MFVideoFormat_UYVY";
+    else if (subtype == MFVideoFormat_NV11)
+        return "MFVideoFormat_NV11";
+    else if (subtype == MFVideoFormat_NV12)
+        return "MFVideoFormat_NV12";
+    else if (subtype == MFVideoFormat_YV12)
+        return "MFVideoFormat_YV12";
+    else if (subtype == MFVideoFormat_I420)
+        return "MFVideoFormat_I420";
+    else if (subtype == MFVideoFormat_IYUV)
+        return "MFVideoFormat_IYUV";
+    else if (subtype == MFVideoFormat_Y210)
+        return "MFVideoFormat_Y210";
+    else if (subtype == MFVideoFormat_Y216)
+        return "MFVideoFormat_Y216";
+    else if (subtype == MFVideoFormat_Y410)
+        return "MFVideoFormat_Y410";
+    else if (subtype == MFVideoFormat_Y416)
+        return "MFVideoFormat_Y416";
+    else if (subtype == MFVideoFormat_Y41P)
+        return "MFVideoFormat_Y41P";
+    else if (subtype == MFVideoFormat_Y41T)
+        return "MFVideoFormat_Y41T";
+    else if (subtype == MFVideoFormat_Y42T)
+        return "MFVideoFormat_Y42T";
+    else if (subtype == MFVideoFormat_P210)
+        return "MFVideoFormat_P210";
+    else if (subtype == MFVideoFormat_P216)
+        return "MFVideoFormat_P216";
+    else if (subtype == MFVideoFormat_P010)
+        return "MFVideoFormat_P010";
+    else if (subtype == MFVideoFormat_P016)
+        return "MFVideoFormat_P016";
+    else if (subtype == MFVideoFormat_v210)
+        return "MFVideoFormat_v210";
+    else if (subtype == MFVideoFormat_v216)
+        return "MFVideoFormat_v216";
+    else if (subtype == MFVideoFormat_v410)
+        return "MFVideoFormat_v410";
+    else if (subtype == MFVideoFormat_MP43)
+        return "MFVideoFormat_MP43";
+    else if (subtype == MFVideoFormat_MP4S)
+        return "MFVideoFormat_MP4S";
+    else if (subtype == MFVideoFormat_M4S2)
+        return "MFVideoFormat_M4S2";
+    else if (subtype == MFVideoFormat_MP4V)
+        return "MFVideoFormat_MP4V";
+    else if (subtype == MFVideoFormat_WMV1)
+        return "MFVideoFormat_WMV1";
+    else if (subtype == MFVideoFormat_WMV2)
+        return "MFVideoFormat_WMV2";
+    else if (subtype == MFVideoFormat_WMV3)
+        return "MFVideoFormat_WMV3";
+    else if (subtype == MFVideoFormat_WVC1)
+        return "MFVideoFormat_WVC1";
+    else if (subtype == MFVideoFormat_MSS1)
+        return "MFVideoFormat_MSS1";
+    else if (subtype == MFVideoFormat_MSS2)
+        return "MFVideoFormat_MSS2";
+    else if (subtype == MFVideoFormat_MPG1)
+        return "MFVideoFormat_MPG1";
+    else if (subtype == MFVideoFormat_DVSL)
+        return "MFVideoFormat_DVSL";
+    else if (subtype == MFVideoFormat_DVSD)
+        return "MFVideoFormat_DVSD";
+    else if (subtype == MFVideoFormat_DVHD)
+        return "MFVideoFormat_DVHD";
+    else if (subtype == MFVideoFormat_DV25)
+        return "MFVideoFormat_DV25";
+    else if (subtype == MFVideoFormat_DV50)
+        return "MFVideoFormat_DV50";
+    else if (subtype == MFVideoFormat_DVH1)
+        return "MFVideoFormat_DVH1";
+    else if (subtype == MFVideoFormat_DVC)
+        return "MFVideoFormat_DVC";
+    else if (subtype == MFVideoFormat_H264)
+        return "MFVideoFormat_H264";
+    else if (subtype == MFVideoFormat_H265)
+        return "MFVideoFormat_H265";
+    else if (subtype == MFVideoFormat_MJPG)
+        return "MFVideoFormat_MJPG";
+    else if (subtype == MFVideoFormat_420O)
+        return "MFVideoFormat_420O";
+    else if (subtype == MFVideoFormat_HEVC)
+        return "MFVideoFormat_HEVC";
+    else if (subtype == MFVideoFormat_HEVC_ES)
+        return "MFVideoFormat_HEVC_ES";
+    else if (subtype == MFVideoFormat_VP80)
+        return "MFVideoFormat_VP80";
+    else if (subtype == MFVideoFormat_VP90)
+        return "MFVideoFormat_VP90";
+    else if (subtype == MFVideoFormat_ORAW)
+        return "MFVideoFormat_ORAW";
+    else
+        return "Other VideoFormat";
+}

src/modules/videoconference/VideoConferenceShared/Logging.h

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <string>
+#include <guiddef.h>
+#include <system_error>
+
+#include <wil/com.h>
+#include <Windows.h>
+
+void LogToFile(std::string what, const bool verbose = false);
+void LogToFile(std::wstring what, const bool verbose = false);
+std::string toMediaTypeString(GUID subtype);
+
+#define RETURN_IF_FAILED_WITH_LOGGING(val)                                                             \
+    hr = (val);                                                                                        \
+    if (FAILED(hr))                                                                                    \
+    {                                                                                                  \
+        LogToFile(std::string(__FUNCTION__ "() ") + #val + ": " + std::system_category().message(hr)); \
+        return hr;                                                                                     \
+    }
+
+#define RETURN_NULLPTR_IF_FAILED_WITH_LOGGING(val)                                                     \
+    hr = val;                                                                                          \
+    if (FAILED(hr))                                                                                    \
+    {                                                                                                  \
+        LogToFile(std::string(__FUNCTION__ "() ") + #val + ": " + std::system_category().message(hr)); \
+        return nullptr;                                                                                \
+    }
+
+#define VERBOSE_LOG                                                 \
+    std::string functionNameTMPVAR = __FUNCTION__;                  \
+    LogToFile(std::string(functionNameTMPVAR + " enter"), true);    \
+    auto verboseLogOnScopeEnd = wil::scope_exit([&] {               \
+        LogToFile(std::string(functionNameTMPVAR + " exit"), true); \
+    });
+
+#if defined(PowerToysInterop)
+#undef LOG
+#define LOG(...)
+#else
+#define LOG(str) LogToFile(str, false);
+#endif
+
+inline bool failed(HRESULT hr)
+{
+    return hr != S_OK;
+}
+
+inline bool failed(bool val)
+{
+    return val == false;
+}
+
+template<typename T>
+inline bool failed(wil::com_ptr_nothrow<T>& ptr)
+{
+    return ptr == nullptr;
+}
+
+#define OK_OR_BAIL(expr) \
+    if (failed(expr))    \
+        return {};

src/modules/videoconference/VideoConferenceShared/MicrophoneDevice.cpp

@@ -0,0 +1,152 @@
+#include "MicrophoneDevice.h"
+
+#include "Logging.h"
+
+#include <Functiondiscoverykeys_devpkey.h>
+
+MicrophoneDevice::MicrophoneDevice(wil::com_ptr_nothrow<IMMDevice> device, wil::com_ptr_nothrow<IAudioEndpointVolume> endpoint) :
+    _device{ std::move(device) },
+    _endpoint{ std::move(endpoint) }
+{
+    if (!_device || !_endpoint)
+    {
+        throw std::logic_error("MicrophoneDevice was initialized with null objects");
+    }
+    _device->GetId(&_id);
+    wil::com_ptr_nothrow<IPropertyStore> props;
+    _device->OpenPropertyStore(
+        STGM_READ, &props);
+    if (props)
+    {
+        props->GetValue(PKEY_Device_FriendlyName, &_friendly_name);
+    }
+    else
+    {
+        LOG("MicrophoneDevice::MicrophoneDevice couldn't open property store");
+    }
+}
+
+MicrophoneDevice::~MicrophoneDevice()
+{
+    if (_notifier)
+    {
+        _endpoint->UnregisterControlChangeNotify(_notifier.get());
+    }
+}
+
+bool MicrophoneDevice::active() const noexcept
+{
+    DWORD state = 0;
+    _device->GetState(&state);
+    return state == DEVICE_STATE_ACTIVE;
+}
+
+void MicrophoneDevice::set_muted(const bool muted) noexcept
+{
+    _endpoint->SetMute(muted, nullptr);
+}
+
+bool MicrophoneDevice::muted() const noexcept
+{
+    BOOL muted = FALSE;
+    _endpoint->GetMute(&muted);
+    return muted;
+}
+
+void MicrophoneDevice::toggle_muted() noexcept
+{
+    set_muted(!muted());
+}
+
+std::wstring_view MicrophoneDevice::id() const noexcept
+{
+    return _id ? _id.get() : FALLBACK_ID;
+}
+
+std::wstring_view MicrophoneDevice::name() const noexcept
+{
+    return _friendly_name.pwszVal ? _friendly_name.pwszVal : FALLBACK_NAME;
+}
+
+void MicrophoneDevice::set_mute_changed_callback(mute_changed_cb_t callback) noexcept
+{
+    _mute_changed_callback = std::move(callback);
+    _notifier = winrt::make<VolumeNotifier>(this);
+
+    _endpoint->RegisterControlChangeNotify(_notifier.get());
+}
+
+std::optional<MicrophoneDevice> MicrophoneDevice::getDefault()
+{
+    auto deviceEnumerator = wil::CoCreateInstanceNoThrow<MMDeviceEnumerator, IMMDeviceEnumerator>();
+    if (!deviceEnumerator)
+    {
+        LOG("MicrophoneDevice::getDefault MMDeviceEnumerator returned null");
+        return std::nullopt;
+    }
+    wil::com_ptr_nothrow<IMMDevice> captureDevice;
+    deviceEnumerator->GetDefaultAudioEndpoint(eCapture, eCommunications, &captureDevice);
+    if (!captureDevice)
+    {
+        LOG("MicrophoneDevice::getDefault captureDevice is null");
+        return std::nullopt;
+    }
+    wil::com_ptr_nothrow<IAudioEndpointVolume> microphoneEndpoint;
+    captureDevice->Activate(__uuidof(IAudioEndpointVolume), CLSCTX_INPROC_SERVER, nullptr, reinterpret_cast<LPVOID*>(&microphoneEndpoint));
+    if (!microphoneEndpoint)
+    {
+        LOG("MicrophoneDevice::getDefault captureDevice is null");
+        return std::nullopt;
+    }
+    return std::make_optional<MicrophoneDevice>(std::move(captureDevice), std::move(microphoneEndpoint));
+}
+
+std::vector<MicrophoneDevice> MicrophoneDevice::getAllActive()
+{
+    std::vector<MicrophoneDevice> microphoneDevices;
+    auto deviceEnumerator = wil::CoCreateInstanceNoThrow<MMDeviceEnumerator, IMMDeviceEnumerator>();
+    if (!deviceEnumerator)
+    {
+        LOG("MicrophoneDevice::getAllActive MMDeviceEnumerator returned null");
+        return microphoneDevices;
+    }
+
+    wil::com_ptr_nothrow<IMMDeviceCollection> captureDevices;
+    deviceEnumerator->EnumAudioEndpoints(eCapture, DEVICE_STATE_ACTIVE, &captureDevices);
+    if (!captureDevices)
+    {
+        LOG("MicrophoneDevice::getAllActive EnumAudioEndpoints returned null");
+        return microphoneDevices;
+    }
+    UINT nDevices = 0;
+    captureDevices->GetCount(&nDevices);
+    microphoneDevices.reserve(nDevices);
+    for (UINT i = 0; i < nDevices; ++i)
+    {
+        wil::com_ptr_nothrow<IMMDevice> device;
+        captureDevices->Item(i, &device);
+        if (!device)
+        {
+            continue;
+        }
+        wil::com_ptr_nothrow<IAudioEndpointVolume> microphoneEndpoint;
+        device->Activate(__uuidof(IAudioEndpointVolume), CLSCTX_INPROC_SERVER, nullptr, reinterpret_cast<LPVOID*>(&microphoneEndpoint));
+        if (!microphoneEndpoint)
+        {
+            continue;
+        }
+        microphoneDevices.emplace_back(std::move(device), std::move(microphoneEndpoint));
+    }
+    return microphoneDevices;
+}
+
+MicrophoneDevice::VolumeNotifier::VolumeNotifier(MicrophoneDevice* subscribedDevice) :
+    _subscribedDevice{ subscribedDevice }
+{
+}
+
+HRESULT __stdcall MicrophoneDevice::VolumeNotifier::OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA data)
+{
+    _subscribedDevice->_mute_changed_callback(data->bMuted);
+    return S_OK;
+}

src/modules/videoconference/VideoConferenceShared/MicrophoneDevice.h

@@ -0,0 +1,65 @@
+#pragma once
+#define NOMINMAX
+
+#include <Windows.h>
+#include <Unknwn.h>
+
+#include <winrt/base.h>
+#include <winrt/Windows.Foundation.Collections.h>
+
+#include <wil/resource.h>
+#include <wil/com.h>
+
+
+#include <string_view>
+
+#include <optional>
+#include <vector>
+#include <functional>
+
+#include <Mmdeviceapi.h>
+#include <Endpointvolume.h>
+
+class MicrophoneDevice
+{
+public:
+    using mute_changed_cb_t = std::function<void(bool muted)>;
+
+private:
+    friend struct VolumeNotifier;
+
+    struct VolumeNotifier : winrt::implements<VolumeNotifier, IAudioEndpointVolumeCallback>
+    {
+        MicrophoneDevice* _subscribedDevice = nullptr;
+        VolumeNotifier(MicrophoneDevice* subscribedDevice);
+
+        virtual HRESULT __stdcall OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA data) override;
+    };
+
+    wil::unique_cotaskmem_string _id;
+    wil::unique_prop_variant _friendly_name;
+    mute_changed_cb_t _mute_changed_callback;
+    winrt::com_ptr<IAudioEndpointVolumeCallback> _notifier;
+    wil::com_ptr_nothrow<IAudioEndpointVolume> _endpoint;
+    wil::com_ptr_nothrow<IMMDevice> _device;
+
+    constexpr static inline std::wstring_view FALLBACK_NAME = L"Unknown device";
+    constexpr static inline std::wstring_view FALLBACK_ID = L"UNKNOWN_ID";
+
+public:
+    MicrophoneDevice(MicrophoneDevice&&) noexcept = default;
+    MicrophoneDevice(wil::com_ptr_nothrow<IMMDevice> device, wil::com_ptr_nothrow<IAudioEndpointVolume> endpoint);
+    ~MicrophoneDevice();
+
+    bool active() const noexcept;
+    void set_muted(const bool muted) noexcept;
+    bool muted() const noexcept;
+    void toggle_muted() noexcept;
+
+    std::wstring_view id() const noexcept;
+    std::wstring_view name() const noexcept;
+    void set_mute_changed_callback(mute_changed_cb_t callback) noexcept;
+
+    static std::optional<MicrophoneDevice> getDefault();
+    static std::vector<MicrophoneDevice> getAllActive();
+};

src/modules/videoconference/VideoConferenceShared/SerializedSharedMemory.cpp

@@ -0,0 +1,188 @@
+#include "SerializedSharedMemory.h"
+
+inline char* SerializedSharedMemory::lock_flag_addr() noexcept
+{
+    return reinterpret_cast<char*>(_memory._data + _memory._size);
+}
+
+inline void SerializedSharedMemory::lock() noexcept
+{
+    if (_read_only)
+    {
+        return;
+    }
+    while (LOCKED == _InterlockedCompareExchange8(lock_flag_addr(), LOCKED, !LOCKED))
+    {
+        while (*lock_flag_addr() == LOCKED)
+        {
+            _mm_pause();
+        }
+    }
+}
+
+inline void SerializedSharedMemory::unlock() noexcept
+{
+    if (_read_only)
+    {
+        return;
+    }
+    _InterlockedExchange8(lock_flag_addr(), !LOCKED);
+}
+
+SerializedSharedMemory::SerializedSharedMemory(std::array<wil::unique_handle, 2> handles,
+                                               memory_t memory,
+                                               const bool readonly) noexcept
+    :
+    _handles{ std::move(handles) }, _memory{ std::move(memory) }, _read_only(readonly)
+{
+}
+
+SerializedSharedMemory::~SerializedSharedMemory() noexcept
+{
+    if (_memory._data)
+    {
+        UnmapViewOfFile(_memory._data);
+    }
+}
+
+SerializedSharedMemory::SerializedSharedMemory(SerializedSharedMemory&& rhs) noexcept
+{
+    *this = std::move(rhs);
+}
+
+SerializedSharedMemory& SerializedSharedMemory::operator=(SerializedSharedMemory&& rhs) noexcept
+{
+    _handles = {};
+    _handles.swap(rhs._handles);
+    _memory = std::move(rhs._memory);
+    rhs._memory = {};
+    _read_only = rhs._read_only;
+    rhs._read_only = true;
+
+    return *this;
+}
+
+std::optional<SerializedSharedMemory> SerializedSharedMemory::create(const std::wstring_view object_name,
+                                                                     const size_t size,
+                                                                     const bool read_only,
+                                                                     SECURITY_ATTRIBUTES* maybe_attributes) noexcept
+{
+    SECURITY_DESCRIPTOR sd;
+    SECURITY_ATTRIBUTES sa = { sizeof SECURITY_ATTRIBUTES };
+    if (!maybe_attributes)
+    {
+        sa.lpSecurityDescriptor = &sd;
+        sa.bInheritHandle = false;
+        if (!InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION) ||
+            !SetSecurityDescriptorDacl(&sd, true, nullptr, false))
+        {
+            return std::nullopt;
+        }
+    }
+
+    // We need an extra byte for locking if it's not readonly
+    const ULARGE_INTEGER UISize{ .QuadPart = size + !read_only };
+
+    wil::unique_handle hMapFile{ CreateFileMappingW(INVALID_HANDLE_VALUE,
+                                                    maybe_attributes ? maybe_attributes : &sa,
+                                                    read_only ? PAGE_READONLY : PAGE_READWRITE,
+                                                    UISize.HighPart,
+                                                    UISize.LowPart,
+                                                    object_name.data()) };
+    if (!hMapFile)
+    {
+        return std::nullopt;
+    }
+    auto shmem = static_cast<uint8_t*>(
+        MapViewOfFile(hMapFile.get(), read_only ? FILE_MAP_READ : FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, static_cast<SIZE_T>(UISize.QuadPart)));
+    if (!shmem)
+    {
+        return std::nullopt;
+    }
+    std::array<wil::unique_handle, 2> handles = { std::move(hMapFile), {} };
+    return SerializedSharedMemory{ std::move(handles), memory_t{ shmem, size }, read_only };
+}
+
+std::optional<SerializedSharedMemory> SerializedSharedMemory::open(const std::wstring_view object_name,
+                                                                   const size_t size,
+                                                                   const bool read_only) noexcept
+{
+    wil::unique_handle hMapFile{ OpenFileMappingW(FILE_MAP_READ | FILE_MAP_WRITE, FALSE, object_name.data()) };
+    if (!hMapFile)
+    {
+        return std::nullopt;
+    }
+
+    auto shmem = static_cast<uint8_t*>(
+        MapViewOfFile(hMapFile.get(), read_only ? FILE_MAP_READ : FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, size + !read_only));
+
+    if (!shmem)
+    {
+        return std::nullopt;
+    }
+    std::array<wil::unique_handle, 2> handles = { std::move(hMapFile), {} };
+    return SerializedSharedMemory{ std::move(handles), memory_t{ shmem, size }, read_only };
+}
+
+std::optional<SerializedSharedMemory> SerializedSharedMemory::create_readonly(
+    const std::wstring_view object_name,
+    const std::wstring_view file_path,
+    SECURITY_ATTRIBUTES* maybe_attributes) noexcept
+{
+    SECURITY_DESCRIPTOR sd;
+    SECURITY_ATTRIBUTES sa = { sizeof SECURITY_ATTRIBUTES };
+    if (!maybe_attributes)
+    {
+        sa.lpSecurityDescriptor = &sd;
+        sa.bInheritHandle = false;
+        if (!InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION) ||
+            !SetSecurityDescriptorDacl(&sd, true, nullptr, false))
+        {
+            return std::nullopt;
+        }
+    }
+    wil::unique_handle hFile{ CreateFileW(file_path.data(),
+                                          GENERIC_READ,
+                                          FILE_SHARE_READ | FILE_SHARE_WRITE,
+                                          maybe_attributes ? maybe_attributes : &sa,
+                                          OPEN_EXISTING,
+                                          FILE_ATTRIBUTE_NORMAL,
+                                          nullptr) };
+
+    if (!hFile)
+    {
+        return std::nullopt;
+    }
+
+    LARGE_INTEGER fileSize;
+    if (!GetFileSizeEx(hFile.get(), &fileSize))
+    {
+        return std::nullopt;
+    }
+    wil::unique_handle hMapFile{ CreateFileMappingW(hFile.get(),
+                                                    maybe_attributes ? maybe_attributes : &sa,
+                                                    PAGE_READONLY,
+                                                    fileSize.HighPart,
+                                                    fileSize.LowPart,
+                                                    object_name.data()) };
+    if (!hMapFile)
+    {
+        return std::nullopt;
+    }
+
+    auto shmem = static_cast<uint8_t*>(MapViewOfFile(nullptr, FILE_MAP_READ, 0, 0, static_cast<size_t>(fileSize.QuadPart)));
+    if (shmem)
+    {
+        return std::nullopt;
+    }
+    std::array<wil::unique_handle, 2> handles = { std::move(hMapFile), std::move(hFile) };
+
+    return SerializedSharedMemory{ std::move(handles), memory_t{ shmem, static_cast<size_t>(fileSize.QuadPart) }, true };
+}
+
+void SerializedSharedMemory::access(std::function<void(memory_t)> access_routine) noexcept
+{
+    lock();
+    access_routine(_memory);
+    unlock();
+}

src/modules/videoconference/VideoConferenceShared/SerializedSharedMemory.h

@@ -0,0 +1,54 @@
+#pragma once
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+
+#include <Windows.h>
+#include <string>
+#include <optional>
+#include <wil/resource.h>
+#include <functional>
+#include <array>
+
+// Wrapper class allowing sharing readonly/writable memory with a serialized access via atomic locking.
+// Note that it doesn't protect against a 3rd party concurrently modifying physical file contents.
+class SerializedSharedMemory
+{
+public:
+    struct memory_t
+    {
+      uint8_t * _data = nullptr;
+      size_t _size = 0;
+    };
+
+    static std::optional<SerializedSharedMemory> create(const std::wstring_view object_name,
+                                                        const size_t size,
+                                                        const bool read_only,
+                                                        SECURITY_ATTRIBUTES* maybe_attributes = nullptr) noexcept;
+    static std::optional<SerializedSharedMemory> create_readonly(
+        const std::wstring_view object_name,
+        const std::wstring_view file_path,
+        SECURITY_ATTRIBUTES* maybe_attributes = nullptr) noexcept;
+    static std::optional<SerializedSharedMemory> open(const std::wstring_view object_name,
+                                                      const size_t size,
+                                                      const bool read_only) noexcept;
+
+    void access(std::function<void(memory_t)> access_routine) noexcept;
+    inline size_t size() const noexcept { return _memory._size; }
+
+    ~SerializedSharedMemory() noexcept;
+    SerializedSharedMemory(SerializedSharedMemory&&) noexcept;
+    SerializedSharedMemory& operator=(SerializedSharedMemory&&) noexcept;
+
+private:
+    std::array<wil::unique_handle, 2> _handles;
+    memory_t _memory;
+    bool _read_only = true;
+    constexpr static inline int64_t LOCKED = 1;
+
+    char* lock_flag_addr() noexcept;
+    void lock() noexcept;
+    void unlock() noexcept;
+
+    SerializedSharedMemory(std::array<wil::unique_handle, 2> handles, memory_t memory, const bool readonly) noexcept;
+};

src/modules/videoconference/VideoConferenceShared/VideoCaptureDeviceList.cpp

@@ -0,0 +1,100 @@
+#include "VideoCaptureDeviceList.h"
+#include "Logging.h"
+#include <mfapi.h>
+#include <Mfidl.h>
+
+#include <wil/resource.h>
+#include <wil/com.h>
+
+void VideoCaptureDeviceList::Clear()
+{
+    for (UINT32 i = 0; i < m_numberDevices; i++)
+    {
+        CoTaskMemFree(m_deviceFriendlyNames[i]);
+        if (m_ppDevices[i])
+        {
+            m_ppDevices[i]->Release();
+        }
+    }
+    CoTaskMemFree(m_ppDevices);
+    m_ppDevices = nullptr;
+    if (m_deviceFriendlyNames)
+    {
+        delete[] m_deviceFriendlyNames;
+    }
+
+    m_deviceFriendlyNames = nullptr;
+    m_numberDevices = 0;
+}
+
+HRESULT VideoCaptureDeviceList::EnumerateDevices()
+{
+    HRESULT hr = S_OK;
+    wil::com_ptr<IMFAttributes> pAttributes;
+    Clear();
+
+    // Initialize an attribute store. We will use this to
+    // specify the enumeration parameters.
+
+    hr = MFCreateAttributes(&pAttributes, 1);
+
+    // Ask for source type = video capture devices
+    if (SUCCEEDED(hr))
+    {
+        hr = pAttributes->SetGUID(
+            MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE,
+            MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID);
+    }
+    else
+    {
+        LOG("VideoCaptureDeviceList::EnumerateDevices(): Couldn't MFCreateAttributes");
+    }
+    // Enumerate devices.
+    if (SUCCEEDED(hr))
+    {
+        hr = MFEnumDeviceSources(pAttributes.get(), &m_ppDevices, &m_numberDevices);
+    }
+    else
+    {
+        LOG("VideoCaptureDeviceList::EnumerateDevices(): Couldn't SetGUID");
+    }
+
+
+    if (FAILED(hr))
+    {
+        LOG("VideoCaptureDeviceList::EnumerateDevices(): MFEnumDeviceSources failed");
+        return hr;
+    }
+
+    m_deviceFriendlyNames = new (std::nothrow) wchar_t*[m_numberDevices];
+    for (UINT32 i = 0; i < m_numberDevices; i++)
+    {
+        UINT32 nameLength = 0;
+        m_ppDevices[i]->GetAllocatedString(MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME, &m_deviceFriendlyNames[i], &nameLength);
+    }
+
+    return hr;
+}
+
+HRESULT VideoCaptureDeviceList::GetDevice(UINT32 index, IMFActivate** ppActivate)
+{
+    if (index >= Count())
+    {
+        return E_INVALIDARG;
+    }
+
+    *ppActivate = m_ppDevices[index];
+    (*ppActivate)->AddRef();
+
+    return S_OK;
+}
+
+std::wstring_view VideoCaptureDeviceList::GetDeviceName(UINT32 index)
+{
+    if (index >= Count())
+    {
+        return {};
+    }
+
+    return m_deviceFriendlyNames[index];
+}

src/modules/videoconference/VideoConferenceShared/VideoCaptureDeviceList.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <Windows.h>
+#include <mfobjects.h>
+#include <string_view>
+
+class VideoCaptureDeviceList
+{
+    UINT32 m_numberDevices;
+    // TODO: use wil
+    IMFActivate** m_ppDevices = nullptr;
+    wchar_t** m_deviceFriendlyNames = nullptr;
+
+public:
+    VideoCaptureDeviceList() :
+        m_ppDevices(NULL), m_numberDevices(0)
+    {
+    }
+    ~VideoCaptureDeviceList()
+    {
+        Clear();
+    }
+
+    UINT32 Count() const { return m_numberDevices; }
+
+    void Clear();
+    HRESULT EnumerateDevices();
+    HRESULT GetDevice(UINT32 index, IMFActivate** ppActivate);
+    std::wstring_view GetDeviceName(UINT32 index);
+};

src/modules/videoconference/VideoConferenceShared/VideoConferenceShared.vcxproj

@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.200729.8\build\native\Microsoft.Windows.CppWinRT.props" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.200729.8\build\native\Microsoft.Windows.CppWinRT.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemDefinitionGroup>
+    <Link>
+      <AdditionalDependencies>mfplat.lib;Mfsensorgroup.lib;OneCoreUAP.lib;Mf.lib;Shlwapi.lib;Strmiids.lib;%(AdditionalDependencies);</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{459e0768-7ebd-4c41-bba1-6db3b3815e0a}</ProjectGuid>
+    <RootNamespace>VideoConferenceShared</RootNamespace>
+    <OverrideWindowsTargetPlatformVersion>true</OverrideWindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Platform)'!='Win32'">
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\modules\VideoConference\</OutDir>
+    <IntDir>$(SolutionDir)$(Platform)\$(Configuration)\obj\$(ProjectName)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Platform)'=='Win32'">
+    <OutDir>..\..\..\..\x86\$(Configuration)\modules\VideoConference\</OutDir>
+    <IntDir>..\..\..\..\x86\$(Configuration)\obj\$(ProjectName)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup>
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <AdditionalIncludeDirectories>$(SolutionDir)\src\;</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+    <Lib>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <AdditionalIncludeDirectories>$(SolutionDir)\src\;</AdditionalIncludeDirectories>
+      <DebugInformationFormat Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">ProgramDatabase</DebugInformationFormat>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+    <Lib>
+      <TreatLibWarningAsErrors>true</TreatLibWarningAsErrors>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="CameraStateUpdateChannels.cpp" />
+    <ClCompile Include="Logging.cpp" />
+    <ClCompile Include="SerializedSharedMemory.cpp" />
+    <ClCompile Include="naming.cpp" />
+    <ClCompile Include="username.cpp" />
+    <ClCompile Include="MicrophoneDevice.cpp" />
+    <ClCompile Include="VideoCaptureDeviceList.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="CameraStateUpdateChannels.h" />
+    <ClInclude Include="Logging.h" />
+    <ClInclude Include="SerializedSharedMemory.h" />
+    <ClInclude Include="naming.h" />
+    <ClInclude Include="MicrophoneDevice.h" />
+    <ClInclude Include="VideoCaptureDeviceList.h" />
+    <ClInclude Include="username.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" />
+    <Import Project="..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.200729.8\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('..\..\..\..\packages\Microsoft.Windows.CppWinRT.2.0.200729.8\build\native\Microsoft.Windows.CppWinRT.targets')" />
+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\Microsoft.Windows.ImplementationLibrary.1.0.200519.2\build\native\Microsoft.Windows.ImplementationLibrary.targets'))" />
+  </Target>
+</Project>

src/modules/videoconference/VideoConferenceShared/naming.cpp

@@ -0,0 +1,19 @@
+#include "naming.h"
+
+#include "username.h"
+
+std::wstring ObtainStableGlobalNameForKernelObject(const std::wstring_view name, const bool restricted)
+{
+    static const std::optional<std::wstring> username = ObtainActiveUserName();
+    std::wstring result = L"Global\\";
+    if (restricted)
+    {
+        result += L"Restricted\\";
+    }
+    if (username)
+    {
+        result += *username;
+    }
+    result += name;
+    return result;
+}

src/modules/videoconference/VideoConferenceShared/naming.h

@@ -0,0 +1,5 @@
+#pragma once
+#include <string_view>
+#include <string>
+
+std::wstring ObtainStableGlobalNameForKernelObject(const std::wstring_view name, const bool restricted);

src/modules/videoconference/VideoConferenceShared/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Windows.ImplementationLibrary" version="1.0.200519.2" targetFramework="native" />
+  <package id="Microsoft.Windows.CppWinRT" version="2.0.200729.8" targetFramework="native" />
+</packages>

src/modules/videoconference/VideoConferenceShared/username.cpp

@@ -0,0 +1,20 @@
+#include "username.h"
+
+#include <Windows.h>
+#include <wtsapi32.h>
+
+std::optional<std::wstring> ObtainActiveUserName()
+{
+    const DWORD sessionId = WTSGetActiveConsoleSessionId();
+    WCHAR* pUserName;
+    DWORD _ = 0;
+
+    if (!WTSQuerySessionInformationW(WTS_CURRENT_SERVER_HANDLE, sessionId, WTSUserName, &pUserName, &_))
+    {
+        return std::nullopt;
+    }
+    WTSGetActiveConsoleSessionId();
+    std::wstring result{ pUserName };
+    WTSFreeMemory(pUserName);
+    return result;
+}

src/modules/videoconference/VideoConferenceShared/username.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <optional>
+#include <string>
+#include <string_view>
+
+std::optional<std::wstring> ObtainActiveUserName();
+
+std::wstring ObtainStableGlobalNameForKernelObject(const std::wstring_view name, const bool restricted);

src/modules/videoconference/make_cab.ddf

@@ -0,0 +1,20 @@
+; Disable default limits
+.option EXPLICIT
+.set CabinetFileCountThreshold=0
+.set FolderFileCountThreshold=0
+.set FolderSizeThreshold=0
+.set MaxCabinetSize=0
+.set MaxDiskFileCount=0
+.set MaxDiskSize=0
+
+.set GenerateInf=ON
+.set Compress=OFF
+.set Cabinet=ON
+.set CabinetNameTemplate=driver.cab
+.set DestinationDir=cab_output
+.set DiskDirectoryTemplate=driver
+
+VideoConferenceCustomMediaSource.dll
+videoconferencevirtualdriver.cat
+VideoConferenceVirtualDriver.dll
+VideoConferenceVirtualDriver.inf

src/runner/main.cpp

@@ -20,6 +20,7 @@
 #include <common/updating/updateState.h>
 #include <common/utils/appMutex.h>
 #include <common/utils/elevation.h>
+#include <common/utils/os-detect.h>
 #include <common/utils/processApi.h>
 #include <common/utils/resources.h>
 
@@ -43,6 +44,7 @@
 #include <common/utils/winapi_error.h>
 #include <common/utils/window.h>
 #include <common/version/version.h>
+#include <gdiplus.h>
 
 namespace
 {
@@ -130,7 +132,7 @@ int runner(bool isProcessElevated, bool openSettings, bool openOobe)
         chdir_current_executable();
         // Load Powertoys DLLs
 
-        const std::array<std::wstring_view, 9> knownModules = {
+        std::vector<std::wstring_view> knownModules = {
             L"modules/FancyZones/FancyZonesModuleInterface.dll",
             L"modules/FileExplorerPreview/powerpreview.dll",
             L"modules/ImageResizer/ImageResizerExt.dll",
@@ -140,6 +142,8 @@ int runner(bool isProcessElevated, bool openSettings, bool openOobe)
             L"modules/ShortcutGuide/ShortcutGuideModuleInterface/ShortcutGuideModuleInterface.dll",
             L"modules/ColorPicker/ColorPicker.dll",
             L"modules/Awake/AwakeModuleInterface.dll",
+            // TODO(yuyoyuppe): uncomment when VCM should be enabled
+            //L"modules/VideoConference/VideoConferenceModule.dll"
         };
 
         for (const auto& moduleSubdir : knownModules)
@@ -264,6 +268,10 @@ toast_notification_handler_result toast_notification_handler(const std::wstring_
 
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
 {
+    Gdiplus::GdiplusStartupInput gpStartupInput;
+    ULONG_PTR gpToken;
+    GdiplusStartup(&gpToken, &gpStartupInput, NULL);
+
     winrt::init_apartment();
     const wchar_t* securityDescriptor =
         L"O:BA" // Owner: Builtin (local) administrator

src/runner/runner.vcxproj

@@ -38,7 +38,7 @@
     <Link>
       <UACExecutionLevel>AsInvoker</UACExecutionLevel>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
-      <AdditionalDependencies>Shcore.lib;Msi.lib;WindowsApp.lib;taskschd.lib;Rstrtmgr.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>Shcore.lib;gdiplus.lib;Msi.lib;WindowsApp.lib;taskschd.lib;Rstrtmgr.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <Manifest>
       <EnableDpiAwareness>false</EnableDpiAwareness>

src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/EnabledModules.cs

@@ -80,6 +80,22 @@ namespace Microsoft.PowerToys.Settings.UI.Library
             }
         }
 
+        private bool videoConference = true;
+
+        [JsonPropertyName("Video Conference")]
+        public bool VideoConference
+        {
+            get => this.videoConference;
+            set
+            {
+                if (this.videoConference != value)
+                {
+                    LogTelemetryEvent(value);
+                    this.videoConference = value;
+                }
+            }
+        }
+
         private bool powerRename = true;
 
         public bool PowerRename

src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/Microsoft.PowerToys.Settings.UI.Library.csproj

@@ -58,4 +58,11 @@
     <ProjectReference Include="..\..\common\ManagedCommon\ManagedCommon.csproj" />
     <ProjectReference Include="..\..\common\ManagedTelemetry\Telemetry\ManagedTelemetry.csproj" />
   </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="System.Windows.Forms">
+      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.7.2\System.Windows.Forms.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
 </Project>