去https://github.com/wang-bin/QtAV下载源代码
去https://sourceforge.net/projects/qtav/files/depends/QtAV-depends-windows-x86%2Bx64.7z/download下载依赖库QtAV-depends-windows-x86+x64.7z
将里面的include目录内容和lib内容分别拷贝到Qt的include和lib目录下
QtAV解压后用Qt Creator打开QtAV.pro
工程名QtAV右键-Run qmake
依次Build libQtAV,libQtAVWidgets,libQMLAV
原文：http://www.cnblogs.com/coolbear/p/5473460.html