I just updated the directshow package (0.60.7043)... It now includes an encoder filter for theora which accepts either YV12 or YUY2 input. It also includes the encoders for speex and vorbis and a mux filter... you can; * Find a theora encoding with directshow how-to at www.illiminable.com/ogg/enc_theora_graphedit.html * Get the binaries from www.illiminable.com/ogg/ * Find the source in subversion at http://svn.xiph.org/trunk/oggdsf revision 7043 is the source that built those binaries. Zen.