Code: Select all
{
; Original FORUM : https://www.autohotkey.com/boards/viewtopic.php?f=76&t=49980
; http www.daveamenta.com /2011-05/programmatically-or-command-line-change-the-default-sound-playback-device-in-windows-7/ Broken Link for safety
Devices := {}
IMMDeviceEnumerator := ComObjCreate("{BCDE0395-E52F-467C-8E3D-C4579291692E}", "{A95664D2-9614-4F35-A746-DE8DB63617E6}")
; IMMDeviceEnumerator::EnumAudioEndpoints
; eRender = 0, eCapture, eAll
; 0x1 = DEVICE_STATE_ACTIVE
DllCall(NumGet(NumGet(IMMDeviceEnumerator+0)+3*A_PtrSize), "UPtr", IMMDeviceEnumerator, "UInt", 0, "UInt", 0x1, "UPtrP", IMMDeviceCollection, "UInt")
ObjRelease(IMMDeviceEnumerator)
; IMMDeviceCollection::GetCount
DllCall(NumGet(NumGet(IMMDeviceCollection+0)+3*A_PtrSize), "UPtr", IMMDeviceCollection, "UIntP", Count, "UInt")
Loop % (Count)
{
; IMMDeviceCollection::Item
DllCall(NumGet(NumGet(IMMDeviceCollection+0)+4*A_PtrSize), "UPtr", IMMDeviceCollection, "UInt", A_Index-1, "UPtrP", IMMDevice, "UInt")
; IMMDevice::GetId
DllCall(NumGet(NumGet(IMMDevice+0)+5*A_PtrSize), "UPtr", IMMDevice, "UPtrP", pBuffer, "UInt")
DeviceID := StrGet(pBuffer, "UTF-16"), DllCall("Ole32.dll\CoTaskMemFree", "UPtr", pBuffer)
; IMMDevice::OpenPropertyStore
; 0x0 = STGM_READ
DllCall(NumGet(NumGet(IMMDevice+0)+4*A_PtrSize), "UPtr", IMMDevice, "UInt", 0x0, "UPtrP", IPropertyStore, "UInt")
ObjRelease(IMMDevice)
; IPropertyStore::GetValue
VarSetCapacity(PROPVARIANT, A_PtrSize == 4 ? 16 : 24)
VarSetCapacity(PROPERTYKEY, 20)
DllCall("Ole32.dll\CLSIDFromString", "Str", "{A45C254E-DF1C-4EFD-8020-67D146A850E0}", "UPtr", &PROPERTYKEY)
NumPut(14, &PROPERTYKEY + 16, "UInt")
DllCall(NumGet(NumGet(IPropertyStore+0)+5*A_PtrSize), "UPtr", IPropertyStore, "UPtr", &PROPERTYKEY, "UPtr", &PROPVARIANT, "UInt")
DeviceName := StrGet(NumGet(&PROPVARIANT + 8), "UTF-16") ; LPWSTR PROPVARIANT.pwszVal
DllCall("Ole32.dll\CoTaskMemFree", "UPtr", NumGet(&PROPVARIANT + 8)) ; LPWSTR PROPVARIANT.pwszVal
ObjRelease(IPropertyStore)
ObjRawSet(Devices, DeviceName, DeviceID)
}
ObjRelease(IMMDeviceCollection)
Return
#If WinActive("Arma 3") OR WinActive("Apex Legends") ;;;;;; It doesn’t work ¿Is it wrong?
{
SetDefaultEndpoint( GetDeviceID(Devices, "Redragon Zeus X H510 (USB Audio Device)") ) ; Update second device name
}
Return
#If
^F4:: ; Update Hotkey
t := !t ; Toggle Var (0 or 1)
If (t = "1")
{
SetDefaultEndpoint( GetDeviceID(Devices, "Altavoces (Realtek(R) Audio)") ) ; Update first device name
}
If (t = "0")
{
SetDefaultEndpoint( GetDeviceID(Devices, "Redragon Zeus X H510 (USB Audio Device)") ) ; Update second device name
}
Return
SetDefaultEndpoint(DeviceID)
{
IPolicyConfig := ComObjCreate("{870af99c-171d-4f9e-af0d-e63df40c2bc9}", "{F8679F50-850A-41CF-9C72-430F290290C8}")
DllCall(NumGet(NumGet(IPolicyConfig+0)+13*A_PtrSize), "UPtr", IPolicyConfig, "UPtr", &DeviceID, "UInt", 0, "UInt") ;number 0 for "Default Device"
DllCall(NumGet(NumGet(IPolicyConfig+0)+13*A_PtrSize), "UPtr", IPolicyConfig, "UPtr", &DeviceID, "UInt", 2, "UInt") ;number 2 for "Default Communication Device" (optional line)
ObjRelease(IPolicyConfig)
}
GetDeviceID(Devices, Name)
{
For DeviceName, DeviceID in Devices
If (InStr(DeviceName, Name))
Return DeviceID
}
Return
}