Under Linux packages installed Qt4.8, want to do with QMediaPlayer a player, but include the header file # include & lt; QMediaPlayer> Build hint QMediaPlayer: this name is incorrect. No to the file or directory. I pro project files is that the inside feeling media related added, but couldn't find her, QT + +==core GUI widgetsQT multimedia multimediawidgetsQT +=phononCONFIG + +==mobilityMOBILITY multimedia finally found a troubling question is in/usr/include/QtMultimedia directory below No QMediaPlayer or QMediaPlayer. H file because I think whether is can't find the file/usr/include/QtMultimedia directory how to solve this problem, the file you want to install?

CodePudding user response:

QT 4.8 is the use of PHONON third-party plug-in implementation of multimedia playback, QMediaPlayer began some QT5,