REGISTER_FILTER(SHOWCQT, showcqt, avf);
REGISTER_FILTER(SHOWSPECTRUM, showspectrum, avf);
REGISTER_FILTER(SHOWWAVES, showwaves, avf);
+ REGISTER_FILTER(SHOWWAVESPIC, showwavespic, avf);
/* multimedia sources */
REGISTER_FILTER(AMOVIE, amovie, avsrc);