Legality and software patents
Since the libmpeg2 source code library is released under free and open source license it is legally redistributable. However, the MPEG-2 compression algorithm method is owned by the MPEG Licensing Authority and are in many countries protected by software patents. Absent such a licence from the MPEG Licensing Authority, it could possibly be illegal in certain countries to distribute compiled versions of libmpeg2 for the purpose of decoding MPEG-1 and/or MPEG-2 video streams.
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