如何枚举系统的视音频采集设备

[{"title":"（ 18 个子文件 965KB ） 如何枚举系统的视音频采集设备","children":[{"title":"Debug","children":[{"title":"EnumDevice.lib <span style='color:#111;'> 1.89KB </span>","children":null,"spread":false},{"title":"EnumDevice.pdb <span style='color:#111;'> 1.85MB </span>","children":null,"spread":false},{"title":"EnumDevice.dll <span style='color:#111;'> 90.00KB </span>","children":null,"spread":false},{"title":"EnumDevice.exp <span style='color:#111;'> 742B </span>","children":null,"spread":false},{"title":"EnumDevice.ilk <span style='color:#111;'> 658.71KB </span>","children":null,"spread":false}],"spread":true},{"title":"EnumDevice","children":[{"title":"stdafx.h <span style='color:#111;'> 313B </span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false},{"title":"EnumDevice.vcproj <span style='color:#111;'> 5.59KB </span>","children":null,"spread":false},{"title":"stdafx.cpp <span style='color:#111;'> 215B </span>","children":null,"spread":false},{"title":"dllmain.cpp <span style='color:#111;'> 389B </span>","children":null,"spread":false},{"title":"EnumDevice.cpp <span style='color:#111;'> 1.46KB </span>","children":null,"spread":false},{"title":"targetver.h <span style='color:#111;'> 1.00KB </span>","children":null,"spread":false},{"title":"EnumDevice.h <span style='color:#111;'> 808B </span>","children":null,"spread":false}],"spread":true},{"title":"EnumDevice.sln <span style='color:#111;'> 896B </span>","children":null,"spread":false},{"title":"Release","children":[{"title":"EnumDevice.lib <span style='color:#111;'> 1.89KB </span>","children":null,"spread":false},{"title":"EnumDevice.pdb <span style='color:#111;'> 939.00KB </span>","children":null,"spread":false},{"title":"EnumDevice.dll <span style='color:#111;'> 8.00KB </span>","children":null,"spread":false},{"title":"EnumDevice.exp <span style='color:#111;'> 744B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]