From VLC official website, we learn that MP4 is really one of VLC Player supported video formats, but you must know it has strict requiements: VLC Media Player is only compatible with MPEG-4 ASP, DivX 4/5/6, XviD, 3ivX D4 and H.264 / MPEG-4 AVC. If your MP4 video and VLC have no damage, you may get trouble with the MP4 video codec. In these situations, you only need to check MP4 and VLC own problems again. In fact, there are many possible reasons that might lead to this issue like nonstandard MP4 codecs, corrupted MP4 files or the VLC 'video output modes' is set wrong. Who can tell me can VLC play MP4 and how, please?'
Q3: 'I have downloaded a new MP4 video from the website, but my VLC won't play the mp4. The sound is perfect, but the screen lags or it freezes while the song goes on.' mp4 video and it won't play on VLC right. VLC player will play the two shorter clips no problem but will not play the main movie.'
Q1:'I recently downloaded an mp4 torrent file, it contains two mp4 clips and main movie is mp4 as well. And there are some frequently asked questions quoted from forums: However, it's very annoying when you use VLC to play MP4 files it ends up in 'fail to open' or 'black screen' situation in VLC. And VLC is a popular video player that can play just about any video or audio file thrown at it and MP4 is no exception. The MP4 file format is supposed to be universally compatible across all platforms and operating systems.