MEDIA_DEVICE_TYPE

Enumerator

UNKNOWN_AUDIO_DEVICE

-1: Unknown device type.

AUDIO_PLAYOUT_DEVICE

0: Audio playback device.

AUDIO_RECORDING_DEVICE

1: Audio capturing device.

VIDEO_RENDER_DEVICE

2: Video rendering device (graphics card).

VIDEO_CAPTURE_DEVICE

3: Video capturing device.

AUDIO_APPLICATION_PLAYOUT_DEVICE

4: Audio playback device for an app.

AUDIO_VIRTUAL_PLAYOUT_DEVICE

(For macOS only)5: Virtual audio playback device (virtual sound card).

AUDIO_VIRTUAL_RECORDING_DEVICE

(For macOS only)6: Virtual audio capturing device (virtual sound card).