When I try to transcode from a mpeg1 (vcd) file I get a: no /lib/transcode/import_mp2.so and the file refuses to transcode. So how to get transcode with mp2 support.
Transcode doesn't have an import_mp2.so file. Mp2 decoding is done by the import_mp3 module. The following thread from transcode-user describes something similar "http://lists.exit1.org/pipermail/transcode-users/2003-November/000392.html" caused by a typo. So start by checking your commandline for a typo like mp2 instead of mp3 otherwise there are commandline options for forcing audiocodec for import/export.
Using mp3 as input audio codec solved this. Thank you christian