Bryan Pluta schrieb: maybe this helps: > mpeg2enc: symbol lookup error: mpeg2enc: undefined symbol: > _ZN14ElemStrmWriterC2ER13EncoderParams c++filt _ZN14ElemStrmWriterC2ER13EncoderParams ElemStrmWriter::ElemStrmWriter(EncoderParams&) That is the demangeld name of the symbol. Joerg