setVerbose       1121 modules/videoio/src/cap_dshow.cpp void videoInput::setVerbose(bool _verbose){
setVerbose        775 modules/videoio/src/cap_msmf.cpp void DPO::setVerbose(bool state)
setVerbose       3439 modules/videoio/src/cap_msmf.cpp void videoInput::setVerbose(bool state)