// Initialize COM hr = CoInitializeEx(NULL, COINIT_MULTITHREADED); if (FAILED(hr)) return false; // Create device enumerator hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator), (void**)&pEnumerator); if (FAILED(hr)) return false; // Get default audio device if (captureLoopback) // Capture system output (loopback mode) hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &pDevice); else // Capture microphone input hr = pEnumerator->GetDefaultAudioEndpoint(eCapture, eConsole, &pDevice); if (FAILED(hr)) return false; // Activate audio client hr = pDevice->Activate(__uuidof(IAudioClient), CLSCTX_ALL, NULL, (void**)&pAudioClient); if (FAILED(hr)) return false; // Get wave format hr = pAudioClient->GetMixFormat(&pwfx); if (FAILED(hr)) return false; // Initialize audio client REFERENCE_TIME hnsRequestedDuration = 10000000; // 1 second DWORD streamFlags = captureLoopback ? AUDCLNT_STREAMFLAGS_LOOPBACK : 0; streamFlags
return 0; cmake_minimum_required(VERSION 3.10) project(WASAPIRecorder) set(CMAKE_CXX_STANDARD 17) wasapi download windows 10
add_executable(wasapi_recorder main.cpp) // Initialize COM hr = CoInitializeEx(NULL