music: make sure we apply algorithms to writable memchunk.
music: make sure we apply algorithms to writable memchunk.

maemo-foss/maemo-multimedia-pulseaudio-modules-meego,nemomobile/pulseaudio-module-cmtspeech-n9xx,maemo-foss/maemo-multimedia-pulseaudio-modules-meego,nemomobile/pulseaudio-module-cmtspeech-n9xx,jusa/pulseaudio-modules-nemo,maemo-foss/maemo-multimedia-pulseaudio-modules-meego,jusa/pulseaudio-modules-nemo,jusa/pulseaudio-modules-nemo