RMVB is a video container developed for network broadcasting. This is an old format. RV decoding is often used. At present, domestic DVDs generally do not correspond to this format. This format is mostly used to play some low-definition media on play online or in underdeveloped countries. Developed countries have basically abolished this form.

1080P is the video resolution, which refers to the resolution of 1980X 1080 commonly used in Blu-ray movies. Blu-ray Disc (Blu-ray Disc) has replaced HD (semi-HD) as the next generation mainstream HD DVD standard. Your friend may be talking about HD. But Blu-ray DVD needs a special BD drive to play normally. Ordinary DVDs can't be played at home.

Generally, the computer file format supported by current DVD players is MP4, that is, AVC+AAC, and such files can be played normally on home DVDs that support MP4.