参考文档COMCodingPracticesAudioFileFormatSpecificationsCoreAudioAPIsLoopbackRecording#include#include#include#include#include#include#include#include#include//利用RAII手法，自动调用CoUninitializeclassCoInitializeGuard{public:CoInitializeGuard(){_hr=CoInitializeEx(nullptr,COINIT::COINIT_MULTITHREADED);}~CoInitial
