Invisi / mmefix

An experimental Rust experiment for setting Windows Audio properties automatically

mmefix

Notes

List of GUIDs

Related to default sample rate, bit depth, channels

• Likely PROPVARIANT (blob) + WAVEFORMATEX

  • {33b83365-ab41-4b3b-8f32-ab8d96168070},5
  • {33b83365-ab41-4b3b-8f32-ab8d96168070},9
  • {33b83365-ab41-4b3b-8f32-ab8d96168070},10

• PROPVARIANT (blob) + WAVEFORMATEXTENSIBLE

  • {3d6e1656-2e50-4c4c-8d85-d0acae3c6c68},3
  • {624f56de-fd24-473e-814a-de40aacaed16},3
  • {e4870e26-3cc5-4cd2-ba46-ca0a9a70ed04},0
  • {f19f064d-082c-4e27-bc73-6882a1bb8e4c},0

Others

• "Listen to this Device"

  • Loopback device (string): {24dbb0fc-9311-4b3d-9cf0-18ff155639d4},0
  • Checkbox (PROPVARIANT + bool): {24dbb0fc-9311-4b3d-9cf0-18ff155639d4},0

• Volume

  • Volume (PROPVARIANT + ???): {9855C4CD-DF8C-449C-A181-8191B68BD06C},0
  • Muted: {9855C4CD-DF8C-449C-A181-8191B68BD06C},1

• Device type/names

  • Type (string): {a45c254e-df1c-4efd-8020-67d146a850e0},24
    • May contain stuff introduced by drivers: "HDAUDIO", "FOCUSRITEUSB", "BTHHFENUM", "USB", ...
  • User-friendly input/output name (string): {a45c254e-df1c-4efd-8020-67d146a850e0},2
    • Shows up in the sound settings: "Microphone", "Line In", ...
  • User-friendly device name (string): {026e516e-b814-414b-83cd-856d6fef4822}, 2
    • "High Definition Audio Device", "2- Focusrite USB Audio"