BDSup2Sub is a tool to convert and tweak bitmap based subtitle streams.
Main features:
- perform a frame rate conversion e.g. for pal speedup.
- synchronize time stamps to output frame rate.
- edit times and position of each caption.
- control all features (except editing) from the command line.
- move all captions inside or outside a given area or horizontally.
- exclude single captions from export.
- erase rectangular regions of a caption.
- scale captions independently of screen size.
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