// Enumerate audio endpoints IMMDevice* pDevice; hr = pEnum->GetDefaultAudioEndpoint(eRender, eConsole, &pDevice); if (SUCCEEDED(hr))
wprintf(L"Default audio device: %s\n", pwszDeviceName); CoTaskMemFree(pwszDeviceName);
There are several types of audio endpoints: mmdevapi audioendpoints
The MMDevAPI provides a set of APIs for interacting with audio endpoints:
// Create an instance of the device enumerator hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pEnum)); if (FAILED(hr)) // Enumerate audio endpoints IMMDevice* pDevice; hr =
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\MMDevices\Audio\Render 00000000-0000-0000-ffff-ffffffffffff Properties DeviceClass = "Speakers" FriendlyName = "Speakers (Realtek High Definition Audio)"
Audio endpoints are the points of connection between audio devices and the audio system. They represent the actual audio hardware, such as speakers, headphones, or microphones. Each audio endpoint has its own set of properties and capabilities, which are exposed through the MMDevAPI. // Enumerate audio endpoints IMMDevice* pDevice
| File | Location | Purpose | |-------|-----------|---------| | mmdevapi.dll | C:\Windows\System32\ | Main API implementation | | AudioEndpointBuilder.dll | C:\Windows\System32\ | Service for endpoint creation | | audioses.dll | C:\Windows\System32\ | WASAPI session management | | AudioSrv.dll | C:\Windows\System32\ | Windows Audio Service |
The IMMEndpoint interface represents an audio endpoint. It provides methods for: