mpeg4 video file format :
MPEG4 is a multimedia container format defined by the Moving Picture Experts Group (MPEG) for AV data for web (streaming media) and cd distribution, voice (telephone, videophone) and broadcast television applications.
Best way to cut/trim/split mpeg4 file :
GiliSoft Video Editor — Cut/trim/split mpeg4 file.
1) Launch GiliSoft Video Editor
Once installed GiliSoft Video Editor, Launch GiliSoft Video Editor.
2) Select one way to cut mpeg4 file
There are 3 ways to cut mpeg4 file in the easy video editing software:
a) Easy Video/Audio Cutter - Cut one mpeg4 file to several small mpeg4 clips.
b) Batch
Video/Audio Cutter - Cut wanted mpeg4 clips from a lot of mpeg4 files.
c) Advanced Video/Audio Cutter - Cut wanted mpeg4 clip after video editing(added watermark,subtile...)
3) Load File
Click 'Add File(s)' button, Select "MP4-MPEG-4 Video (*.m4v, *.mp4)" in its "Files of type" combo box.
Add your mpeg4 file, GiliSoft Video Editor will preview your mpeg4 file directly.
4) Select Start time, and End time.
5) Click 'Start' button to start to cut your mpeg4 file.
GiliSoft Video Editor is very powerful mpeg4 Splitter and mpeg4 Cutter, split mpeg4, cut mpeg4 without re-encode, So It is very fast and without any quality loss.