Yamb MP4ToolsIt is a set of free 3GP/MP4 conversion tools based on more than ten command line tools such as MP4Box + MP4Tags/AtomicParsley + MP4Creator, which integrates transcoding + splitting and merging + track extraction + tag editing and many other features.
1):Media transcoding:
The input format supports audio files such as AAC/AMR/EVRC/MPEG-1/SMV, video files such as H263/H264/MPEG-4 Raw, and container files such as AVI/MPEG-PS/MPEG-4/MOV/OGG/QCP/3GP. Supports importing subtitle files in GPAC/MicroDVD/QuickTime TeXML/SubRip and other formats, and can also add chapter files in OGM/GPAC and other formats.
2): Split and merge:
MP4/M4A/M4V/MOV/3GP/3GP2/3GPP/3G2 files can be arbitrarily divided according to duration/number of tracks/file size, or all supported video/audio formats can be merged into MPEG-4/3GPP files.
3): Orbit extraction:
You can arbitrarily extract video, audio, and text tracks from container files and save them as new files.
4): Tag editing.
Bigfoot Yamb directly handles (2) (3) (4) functions of 3GP/MP4 except transcoding, such as: splitting/merging; adding subtitles, etc.
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